Commit | Line | Data |
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d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
37526b42 | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001 |
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> |
08a24c47 JB |
28 | #include "termchar.h" |
29 | #include "termopts.h" | |
08a24c47 | 30 | #include "lisp.h" |
a4decb7f KH |
31 | #include "charset.h" |
32 | #include "coding.h" | |
2538fae4 | 33 | #include "keyboard.h" |
ff11dfa1 | 34 | #include "frame.h" |
08a24c47 JB |
35 | #include "disptab.h" |
36 | #include "termhooks.h" | |
dfcf069d | 37 | #include "dispextern.h" |
a168702a | 38 | #include "window.h" |
8feddab4 | 39 | #include "keymap.h" |
a168702a | 40 | |
ff23e1dd GM |
41 | /* For now, don't try to include termcap.h. On some systems, |
42 | configure finds a non-standard termcap.h that the main build | |
43 | won't find. */ | |
44 | ||
45 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 46 | #include <termcap.h> |
46d1b2bc DL |
47 | #else |
48 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
49 | extern int tgetent P_ ((char *, const char *)); | |
50 | extern int tgetflag P_ ((char *id)); | |
51 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
52 | #endif |
53 | ||
eccec691 | 54 | #include "cm.h" |
dfcf069d AS |
55 | #ifdef HAVE_X_WINDOWS |
56 | #include "xterm.h" | |
57 | #endif | |
1a578e9b AC |
58 | #ifdef macintosh |
59 | #include "macterm.h" | |
60 | #endif | |
c8951b18 | 61 | |
a168702a GM |
62 | static void turn_on_face P_ ((struct frame *, int face_id)); |
63 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
64 | static void tty_show_cursor P_ ((void)); | |
65 | static void tty_hide_cursor P_ ((void)); | |
66 | ||
e52f4e08 GM |
67 | #define OUTPUT(a) \ |
68 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) - curY), cmputc) | |
08a24c47 JB |
69 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
70 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 71 | |
b0f61f15 GM |
72 | #define OUTPUT_IF(a) \ |
73 | do { \ | |
74 | if (a) \ | |
75 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) \ | |
76 | - curY), cmputc); \ | |
77 | } while (0) | |
a168702a | 78 | |
b0f61f15 | 79 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 80 | |
c291d9ef | 81 | /* Function to use to ring the bell. */ |
a168702a | 82 | |
c291d9ef RS |
83 | Lisp_Object Vring_bell_function; |
84 | ||
eb8c3be9 | 85 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
86 | These are all extern'd in termchar.h */ |
87 | ||
08a24c47 JB |
88 | int must_write_spaces; /* Nonzero means spaces in the text |
89 | must actually be output; can't just skip | |
90 | over some columns to leave them blank. */ | |
91 | int min_padding_speed; /* Speed below which no padding necessary */ | |
92 | ||
93 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
94 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
95 | int scroll_region_ok; /* Terminal supports setting the | |
96 | scroll window */ | |
be7cd44f RS |
97 | int scroll_region_cost; /* Cost of setting a scroll window, |
98 | measured in characters */ | |
ff11dfa1 | 99 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
100 | scrolled off bottom */ |
101 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
102 | ||
ff11dfa1 | 103 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
104 | a suspended Emacs. This is useful on terminals with multiple pages, |
105 | where one page is used for Emacs and another for all else. */ | |
a168702a | 106 | |
08a24c47 JB |
107 | int no_redraw_on_reenter; |
108 | ||
109 | /* Hook functions that you can set to snap out the functions in this file. | |
110 | These are all extern'd in termhooks.h */ | |
111 | ||
dfcf069d AS |
112 | void (*cursor_to_hook) P_ ((int, int)); |
113 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
114 | void (*clear_to_end_hook) P_ ((void)); |
115 | void (*clear_frame_hook) P_ ((void)); | |
116 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 117 | |
dfcf069d | 118 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 119 | |
a168702a | 120 | void (*change_line_highlight_hook) P_ ((int, int, int, int)); |
dfcf069d | 121 | void (*reassert_line_highlight_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 | |
a168702a | 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 JB |
226 | /* Remove all scroll bars on FRAME that haven't been saved since the |
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 | |
a168702a GM |
240 | /* Hook to call in estimate_mode_line_height, if any. */ |
241 | ||
242 | int (* estimate_mode_line_height_hook) P_ ((struct frame *f, enum face_id)); | |
243 | ||
20a558dc | 244 | |
08a24c47 JB |
245 | /* Strings, numbers and flags taken from the termcap entry. */ |
246 | ||
a4decb7f | 247 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
248 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
249 | char *TS_bell; /* "bl" */ | |
250 | char *TS_clr_to_bottom; /* "cd" */ | |
251 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 252 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
253 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
254 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
255 | lines above scroll region, lines below it, | |
256 | total lines again) */ | |
257 | char *TS_del_char; /* "dc" */ | |
258 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
259 | char *TS_del_line; /* "dl" */ | |
260 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
261 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
262 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
263 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
264 | char *TS_ins_char; /* "ic" */ | |
265 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
266 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
267 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
268 | char *TS_end_keypad_mode; /* "ke" */ | |
269 | char *TS_keypad_mode; /* "ks" */ | |
270 | char *TS_pad_char; /* "pc", char to use as padding */ | |
271 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
272 | and character to be repeated) */ | |
273 | char *TS_end_standout_mode; /* "se" */ | |
274 | char *TS_fwd_scroll; /* "sf" */ | |
275 | char *TS_standout_mode; /* "so" */ | |
276 | char *TS_rev_scroll; /* "sr" */ | |
277 | char *TS_end_termcap_modes; /* "te" */ | |
278 | char *TS_termcap_modes; /* "ti" */ | |
279 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
280 | char *TS_cursor_normal; /* "ve" */ |
281 | char *TS_cursor_visible; /* "vs" */ | |
282 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
283 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
284 | each as vpos and hpos) */ | |
285 | ||
4e6ba4a4 GM |
286 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
287 | present. */ | |
288 | ||
289 | static int TN_no_color_video; | |
290 | ||
291 | /* Meaning of bits in no_color_video. Each bit set means that the | |
292 | corresponding attribute cannot be combined with colors. */ | |
293 | ||
294 | enum no_color_bit | |
295 | { | |
296 | NC_STANDOUT = 1 << 0, | |
297 | NC_UNDERLINE = 1 << 1, | |
298 | NC_REVERSE = 1 << 2, | |
299 | NC_BLINK = 1 << 3, | |
300 | NC_DIM = 1 << 4, | |
301 | NC_BOLD = 1 << 5, | |
302 | NC_INVIS = 1 << 6, | |
303 | NC_PROTECT = 1 << 7, | |
304 | NC_ALT_CHARSET = 1 << 8 | |
305 | }; | |
306 | ||
a168702a GM |
307 | /* "md" -- turn on bold (extra bright mode). */ |
308 | ||
309 | char *TS_enter_bold_mode; | |
310 | ||
311 | /* "mh" -- turn on half-bright mode. */ | |
312 | ||
313 | char *TS_enter_dim_mode; | |
314 | ||
315 | /* "mb" -- enter blinking mode. */ | |
316 | ||
317 | char *TS_enter_blink_mode; | |
318 | ||
319 | /* "mr" -- enter reverse video mode. */ | |
320 | ||
321 | char *TS_enter_reverse_mode; | |
322 | ||
323 | /* "us"/"ue" -- start/end underlining. */ | |
324 | ||
325 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
326 | ||
327 | /* "ug" -- number of blanks left by underline. */ | |
328 | ||
329 | int TN_magic_cookie_glitch_ul; | |
330 | ||
331 | /* "as"/"ae" -- start/end alternate character set. Not really | |
332 | supported, yet. */ | |
333 | ||
334 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
335 | ||
336 | /* "me" -- switch appearances off. */ | |
337 | ||
338 | char *TS_exit_attribute_mode; | |
339 | ||
340 | /* "Co" -- number of colors. */ | |
341 | ||
342 | int TN_max_colors; | |
343 | ||
344 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
345 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
346 | ||
347 | int TN_max_pairs; | |
348 | ||
349 | /* "op" -- SVr4 set default pair to its original value. */ | |
350 | ||
351 | char *TS_orig_pair; | |
352 | ||
353 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
354 | 1 param, the color index. */ | |
355 | ||
356 | char *TS_set_foreground, *TS_set_background; | |
357 | ||
08a24c47 JB |
358 | int TF_hazeltine; /* termcap hz flag. */ |
359 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
360 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
361 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
362 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
363 | int TF_teleray; /* termcap xt flag: many weird consequences. |
364 | For t1061. */ | |
365 | ||
366 | int TF_xs; /* Nonzero for "xs". If set together with | |
367 | TN_standout_width == 0, it means don't bother | |
368 | to write any end-standout cookies. */ | |
369 | ||
370 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
371 | markers */ | |
372 | ||
373 | static int RPov; /* # chars to start a TS_repeat */ | |
374 | ||
375 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
376 | ||
377 | static int se_is_so; /* 1 if same string both enters and leaves | |
378 | standout mode */ | |
379 | ||
380 | /* internal state */ | |
381 | ||
8dd0c7cb | 382 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 383 | |
8dd0c7cb | 384 | int max_frame_width; |
a168702a | 385 | |
8dd0c7cb | 386 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 387 | |
8dd0c7cb RS |
388 | int max_frame_height; |
389 | ||
08a24c47 JB |
390 | /* Number of chars of space used for standout marker at beginning of line, |
391 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 392 | The length of these vectors is max_frame_height. |
08a24c47 JB |
393 | |
394 | Used IFF TN_standout_width >= 0. */ | |
395 | ||
396 | static char *chars_wasted; | |
397 | static char *copybuf; | |
398 | ||
399 | /* nonzero means supposed to write text in standout mode. */ | |
a168702a | 400 | |
08a24c47 JB |
401 | int standout_requested; |
402 | ||
403 | int insert_mode; /* Nonzero when in insert mode. */ | |
404 | int standout_mode; /* Nonzero when in standout mode. */ | |
405 | ||
406 | /* Size of window specified by higher levels. | |
ff11dfa1 | 407 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
408 | which can participate in insert-line/delete-line operations. |
409 | ||
ff11dfa1 | 410 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
411 | lines from those operations. */ |
412 | ||
413 | int specified_window; | |
414 | ||
ff11dfa1 | 415 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
416 | (Direct output does not count). */ |
417 | ||
ff11dfa1 | 418 | FRAME_PTR updating_frame; |
08a24c47 | 419 | |
07c57952 | 420 | /* Provided for lisp packages. */ |
a168702a | 421 | |
07c57952 KH |
422 | static int system_uses_terminfo; |
423 | ||
d284f58f GM |
424 | /* Flag used in tty_show/hide_cursor. */ |
425 | ||
426 | static int tty_cursor_hidden; | |
427 | ||
08a24c47 | 428 | char *tparam (); |
e4bfb3b6 RS |
429 | |
430 | extern char *tgetstr (); | |
08a24c47 | 431 | \f |
cb28b9c2 | 432 | |
1a89b7c6 AI |
433 | #ifdef WINDOWSNT |
434 | /* We aren't X windows, but we aren't termcap either. This makes me | |
435 | uncertain as to what value to use for frame.output_method. For | |
436 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
437 | output hooks get called instead of the termcap functions. Probably | |
438 | the best long-term solution is to define an output_windows_nt... */ | |
439 | ||
440 | #undef FRAME_TERMCAP_P | |
441 | #define FRAME_TERMCAP_P(_f_) 0 | |
442 | #endif /* WINDOWSNT */ | |
443 | ||
dfcf069d | 444 | void |
08a24c47 JB |
445 | ring_bell () |
446 | { | |
d284f58f | 447 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
448 | { |
449 | Lisp_Object function; | |
450 | ||
451 | /* Temporarily set the global variable to nil | |
452 | so that if we get an error, it stays nil | |
453 | and we don't call it over and over. | |
454 | ||
455 | We don't specbind it, because that would carefully | |
456 | restore the bad value if there's an error | |
457 | and make the loop of errors happen anyway. */ | |
d284f58f | 458 | |
c291d9ef RS |
459 | function = Vring_bell_function; |
460 | Vring_bell_function = Qnil; | |
461 | ||
462 | call0 (function); | |
463 | ||
464 | Vring_bell_function = function; | |
08a24c47 | 465 | } |
d284f58f GM |
466 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
467 | (*ring_bell_hook) (); | |
468 | else | |
469 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
470 | } |
471 | ||
dfcf069d | 472 | void |
08a24c47 JB |
473 | set_terminal_modes () |
474 | { | |
d284f58f | 475 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 476 | { |
d284f58f GM |
477 | OUTPUT_IF (TS_termcap_modes); |
478 | OUTPUT_IF (TS_cursor_visible); | |
479 | OUTPUT_IF (TS_keypad_mode); | |
480 | losecursor (); | |
08a24c47 | 481 | } |
d284f58f GM |
482 | else |
483 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
484 | } |
485 | ||
dfcf069d | 486 | void |
08a24c47 JB |
487 | reset_terminal_modes () |
488 | { | |
d284f58f | 489 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 490 | { |
d284f58f GM |
491 | if (TN_standout_width < 0) |
492 | turn_off_highlight (); | |
493 | turn_off_insert (); | |
494 | OUTPUT_IF (TS_end_keypad_mode); | |
495 | OUTPUT_IF (TS_cursor_normal); | |
496 | OUTPUT_IF (TS_end_termcap_modes); | |
497 | OUTPUT_IF (TS_orig_pair); | |
498 | /* Output raw CR so kernel can track the cursor hpos. */ | |
499 | /* But on magic-cookie terminals this can erase an end-standout | |
500 | marker and cause the rest of the frame to be in standout, so | |
501 | move down first. */ | |
502 | if (TN_standout_width >= 0) | |
503 | cmputc ('\n'); | |
504 | cmputc ('\r'); | |
08a24c47 | 505 | } |
d284f58f GM |
506 | else if (reset_terminal_modes_hook) |
507 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
508 | } |
509 | ||
dfcf069d | 510 | void |
ff11dfa1 | 511 | update_begin (f) |
d284f58f | 512 | struct frame *f; |
08a24c47 | 513 | { |
ff11dfa1 | 514 | updating_frame = f; |
d284f58f GM |
515 | if (!FRAME_TERMCAP_P (f)) |
516 | update_begin_hook (f); | |
08a24c47 JB |
517 | } |
518 | ||
dfcf069d | 519 | void |
ff11dfa1 | 520 | update_end (f) |
d284f58f | 521 | struct frame *f; |
08a24c47 | 522 | { |
d284f58f | 523 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 524 | { |
d284f58f GM |
525 | if (!XWINDOW (selected_window)->cursor_off_p) |
526 | tty_show_cursor (); | |
527 | turn_off_insert (); | |
528 | background_highlight (); | |
529 | standout_requested = 0; | |
08a24c47 | 530 | } |
d284f58f GM |
531 | else |
532 | update_end_hook (f); | |
a168702a | 533 | |
d284f58f | 534 | updating_frame = NULL; |
08a24c47 JB |
535 | } |
536 | ||
dfcf069d | 537 | void |
08a24c47 JB |
538 | set_terminal_window (size) |
539 | int size; | |
540 | { | |
d284f58f | 541 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 542 | { |
d284f58f GM |
543 | specified_window = size ? size : FRAME_HEIGHT (updating_frame); |
544 | if (scroll_region_ok) | |
545 | set_scroll_region (0, specified_window); | |
08a24c47 | 546 | } |
d284f58f GM |
547 | else |
548 | set_terminal_window_hook (size); | |
08a24c47 JB |
549 | } |
550 | ||
dfcf069d | 551 | void |
08a24c47 JB |
552 | set_scroll_region (start, stop) |
553 | int start, stop; | |
554 | { | |
555 | char *buf; | |
e52f4e08 GM |
556 | struct frame *sf = XFRAME (selected_frame); |
557 | ||
08a24c47 | 558 | if (TS_set_scroll_region) |
d284f58f | 559 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 560 | else if (TS_set_scroll_region_1) |
d284f58f GM |
561 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
562 | FRAME_HEIGHT (sf), start, | |
563 | FRAME_HEIGHT (sf) - stop, | |
564 | FRAME_HEIGHT (sf)); | |
08a24c47 | 565 | else |
d284f58f GM |
566 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (sf)); |
567 | ||
08a24c47 | 568 | OUTPUT (buf); |
9ac0d9e0 | 569 | xfree (buf); |
08a24c47 JB |
570 | losecursor (); |
571 | } | |
d284f58f | 572 | |
08a24c47 | 573 | \f |
d284f58f | 574 | static void |
08a24c47 JB |
575 | turn_on_insert () |
576 | { | |
577 | if (!insert_mode) | |
578 | OUTPUT (TS_insert_mode); | |
579 | insert_mode = 1; | |
580 | } | |
581 | ||
dfcf069d | 582 | void |
08a24c47 JB |
583 | turn_off_insert () |
584 | { | |
585 | if (insert_mode) | |
586 | OUTPUT (TS_end_insert_mode); | |
587 | insert_mode = 0; | |
588 | } | |
589 | \f | |
590 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
591 | In these terminals, output is affected by the value of standout | |
592 | mode when the output is written. | |
593 | ||
594 | These functions are called on all terminals, but do nothing | |
595 | on terminals whose standout mode does not work that way. */ | |
596 | ||
dfcf069d | 597 | void |
08a24c47 JB |
598 | turn_off_highlight () |
599 | { | |
600 | if (TN_standout_width < 0) | |
601 | { | |
602 | if (standout_mode) | |
603 | OUTPUT_IF (TS_end_standout_mode); | |
604 | standout_mode = 0; | |
605 | } | |
606 | } | |
607 | ||
d284f58f | 608 | static void |
08a24c47 JB |
609 | turn_on_highlight () |
610 | { | |
611 | if (TN_standout_width < 0) | |
612 | { | |
613 | if (!standout_mode) | |
614 | OUTPUT_IF (TS_standout_mode); | |
615 | standout_mode = 1; | |
616 | } | |
617 | } | |
618 | ||
86a7d192 GM |
619 | static void |
620 | toggle_highlight () | |
621 | { | |
622 | if (standout_mode) | |
623 | turn_off_highlight (); | |
624 | else | |
625 | turn_on_highlight (); | |
626 | } | |
627 | ||
a168702a GM |
628 | |
629 | /* Make cursor invisible. */ | |
630 | ||
631 | static void | |
632 | tty_hide_cursor () | |
633 | { | |
d284f58f GM |
634 | if (tty_cursor_hidden == 0) |
635 | { | |
636 | tty_cursor_hidden = 1; | |
637 | OUTPUT_IF (TS_cursor_invisible); | |
638 | } | |
a168702a GM |
639 | } |
640 | ||
641 | ||
642 | /* Ensure that cursor is visible. */ | |
643 | ||
644 | static void | |
645 | tty_show_cursor () | |
646 | { | |
d284f58f GM |
647 | if (tty_cursor_hidden) |
648 | { | |
649 | tty_cursor_hidden = 0; | |
650 | OUTPUT_IF (TS_cursor_normal); | |
651 | OUTPUT_IF (TS_cursor_visible); | |
652 | } | |
a168702a GM |
653 | } |
654 | ||
655 | ||
08a24c47 JB |
656 | /* Set standout mode to the state it should be in for |
657 | empty space inside windows. What this is, | |
658 | depends on the user option inverse-video. */ | |
659 | ||
dfcf069d | 660 | void |
08a24c47 JB |
661 | background_highlight () |
662 | { | |
663 | if (TN_standout_width >= 0) | |
664 | return; | |
665 | if (inverse_video) | |
666 | turn_on_highlight (); | |
667 | else | |
668 | turn_off_highlight (); | |
669 | } | |
670 | ||
671 | /* Set standout mode to the mode specified for the text to be output. */ | |
672 | ||
dfcf069d | 673 | static void |
08a24c47 JB |
674 | highlight_if_desired () |
675 | { | |
676 | if (TN_standout_width >= 0) | |
677 | return; | |
678 | if (!inverse_video == !standout_requested) | |
679 | turn_off_highlight (); | |
680 | else | |
681 | turn_on_highlight (); | |
682 | } | |
683 | \f | |
684 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
685 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 686 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
687 | that the marker occupies in memory. Standout runs from the marker |
688 | to the end of the line on some terminals, or to the next | |
689 | turn-off-standout marker (TS_end_standout_mode) string | |
690 | on other terminals. */ | |
691 | ||
692 | /* Write a standout marker or end-standout marker at the front of the line | |
693 | at vertical position vpos. */ | |
694 | ||
d284f58f | 695 | static void |
08a24c47 JB |
696 | write_standout_marker (flag, vpos) |
697 | int flag, vpos; | |
698 | { | |
d284f58f GM |
699 | if (flag |
700 | || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
701 | && !(TF_xs && TN_standout_width == 0))) | |
08a24c47 JB |
702 | { |
703 | cmgoto (vpos, 0); | |
704 | cmplus (TN_standout_width); | |
705 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
706 | chars_wasted[curY] = TN_standout_width | 0100; | |
707 | } | |
708 | } | |
709 | \f | |
710 | /* External interface to control of standout mode. | |
711 | Call this when about to modify line at position VPOS | |
712 | and not change whether it is highlighted. */ | |
713 | ||
dfcf069d | 714 | void |
08a24c47 JB |
715 | reassert_line_highlight (highlight, vpos) |
716 | int highlight; | |
717 | int vpos; | |
718 | { | |
e52f4e08 GM |
719 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
720 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
721 | { |
722 | (*reassert_line_highlight_hook) (highlight, vpos); | |
723 | return; | |
724 | } | |
725 | if (TN_standout_width < 0) | |
726 | /* Handle terminals where standout takes affect at output time */ | |
727 | standout_requested = highlight; | |
a168702a | 728 | else if (chars_wasted && chars_wasted[vpos] == 0) |
08a24c47 JB |
729 | /* For terminals with standout markers, write one on this line |
730 | if there isn't one already. */ | |
25ffac29 | 731 | write_standout_marker (inverse_video ? !highlight : highlight, vpos); |
08a24c47 JB |
732 | } |
733 | ||
734 | /* Call this when about to modify line at position VPOS | |
735 | and change whether it is highlighted. */ | |
736 | ||
dfcf069d | 737 | void |
a168702a GM |
738 | change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
739 | int new_highlight, vpos, y, first_unused_hpos; | |
08a24c47 JB |
740 | { |
741 | standout_requested = new_highlight; | |
1820044b | 742 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 743 | { |
a168702a | 744 | (*change_line_highlight_hook) (new_highlight, vpos, y, first_unused_hpos); |
08a24c47 JB |
745 | return; |
746 | } | |
747 | ||
748 | cursor_to (vpos, 0); | |
749 | ||
750 | if (TN_standout_width < 0) | |
751 | background_highlight (); | |
752 | /* If line starts with a marker, delete the marker */ | |
753 | else if (TS_clr_line && chars_wasted[curY]) | |
754 | { | |
755 | turn_off_insert (); | |
756 | /* On Teleray, make sure to erase the SO marker. */ | |
757 | if (TF_teleray) | |
758 | { | |
e52f4e08 | 759 | cmgoto (curY - 1, FRAME_WIDTH (XFRAME (selected_frame)) - 4); |
08a24c47 JB |
760 | OUTPUT ("\033S"); |
761 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
762 | curX = 0; | |
763 | } | |
764 | else | |
765 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
766 | } | |
767 | clear_end_of_line_raw (first_unused_hpos); | |
768 | reassert_line_highlight (new_highlight, curY); | |
769 | } | |
770 | \f | |
771 | ||
a168702a GM |
772 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
773 | frame-relative coordinates. */ | |
08a24c47 | 774 | |
dfcf069d | 775 | void |
a168702a GM |
776 | cursor_to (vpos, hpos) |
777 | int vpos, hpos; | |
08a24c47 | 778 | { |
e52f4e08 GM |
779 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
780 | ||
781 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) | |
08a24c47 | 782 | { |
a168702a | 783 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
784 | return; |
785 | } | |
786 | ||
36cae867 KH |
787 | /* Detect the case where we are called from reset_sys_modes |
788 | and the costs have never been calculated. Do nothing. */ | |
789 | if (chars_wasted == 0) | |
790 | return; | |
791 | ||
a168702a GM |
792 | hpos += chars_wasted[vpos] & 077; |
793 | if (curY == vpos && curX == hpos) | |
08a24c47 JB |
794 | return; |
795 | if (!TF_standout_motion) | |
796 | background_highlight (); | |
797 | if (!TF_insmode_motion) | |
798 | turn_off_insert (); | |
a168702a | 799 | cmgoto (vpos, hpos); |
08a24c47 JB |
800 | } |
801 | ||
802 | /* Similar but don't take any account of the wasted characters. */ | |
803 | ||
dfcf069d | 804 | void |
08a24c47 | 805 | raw_cursor_to (row, col) |
4746118a | 806 | int row, col; |
08a24c47 | 807 | { |
e52f4e08 GM |
808 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
809 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
810 | { |
811 | (*raw_cursor_to_hook) (row, col); | |
812 | return; | |
813 | } | |
814 | if (curY == row && curX == col) | |
815 | return; | |
816 | if (!TF_standout_motion) | |
817 | background_highlight (); | |
818 | if (!TF_insmode_motion) | |
819 | turn_off_insert (); | |
820 | cmgoto (row, col); | |
821 | } | |
822 | \f | |
823 | /* Erase operations */ | |
824 | ||
ff11dfa1 | 825 | /* clear from cursor to end of frame */ |
dfcf069d | 826 | void |
08a24c47 JB |
827 | clear_to_end () |
828 | { | |
829 | register int i; | |
830 | ||
759d9005 | 831 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
832 | { |
833 | (*clear_to_end_hook) (); | |
834 | return; | |
835 | } | |
836 | if (TS_clr_to_bottom) | |
837 | { | |
838 | background_highlight (); | |
839 | OUTPUT (TS_clr_to_bottom); | |
e52f4e08 GM |
840 | bzero (chars_wasted + curY, |
841 | FRAME_HEIGHT (XFRAME (selected_frame)) - curY); | |
08a24c47 JB |
842 | } |
843 | else | |
844 | { | |
e52f4e08 | 845 | for (i = curY; i < FRAME_HEIGHT (XFRAME (selected_frame)); i++) |
08a24c47 JB |
846 | { |
847 | cursor_to (i, 0); | |
e52f4e08 | 848 | clear_end_of_line_raw (FRAME_WIDTH (XFRAME (selected_frame))); |
08a24c47 JB |
849 | } |
850 | } | |
851 | } | |
852 | ||
ff11dfa1 | 853 | /* Clear entire frame */ |
08a24c47 | 854 | |
dfcf069d | 855 | void |
ff11dfa1 | 856 | clear_frame () |
08a24c47 | 857 | { |
e52f4e08 GM |
858 | struct frame *sf = XFRAME (selected_frame); |
859 | ||
ff11dfa1 | 860 | if (clear_frame_hook |
e52f4e08 | 861 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 862 | { |
ff11dfa1 | 863 | (*clear_frame_hook) (); |
08a24c47 JB |
864 | return; |
865 | } | |
ff11dfa1 | 866 | if (TS_clr_frame) |
08a24c47 JB |
867 | { |
868 | background_highlight (); | |
ff11dfa1 | 869 | OUTPUT (TS_clr_frame); |
e52f4e08 | 870 | bzero (chars_wasted, FRAME_HEIGHT (sf)); |
08a24c47 JB |
871 | cmat (0, 0); |
872 | } | |
873 | else | |
874 | { | |
875 | cursor_to (0, 0); | |
876 | clear_to_end (); | |
877 | } | |
878 | } | |
879 | ||
880 | /* Clear to end of line, but do not clear any standout marker. | |
881 | Assumes that the cursor is positioned at a character of real text, | |
882 | which implies it cannot be before a standout marker | |
883 | unless the marker has zero width. | |
884 | ||
885 | Note that the cursor may be moved. */ | |
886 | ||
dfcf069d | 887 | void |
08a24c47 JB |
888 | clear_end_of_line (first_unused_hpos) |
889 | int first_unused_hpos; | |
890 | { | |
e52f4e08 | 891 | if (FRAME_TERMCAP_P (XFRAME (selected_frame)) |
36cae867 | 892 | && chars_wasted != 0 |
08a24c47 | 893 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a168702a | 894 | write_glyphs (&space_glyph, 1); |
08a24c47 JB |
895 | clear_end_of_line_raw (first_unused_hpos); |
896 | } | |
897 | ||
898 | /* Clear from cursor to end of line. | |
899 | Assume that the line is already clear starting at column first_unused_hpos. | |
900 | If the cursor is at a standout marker, erase the marker. | |
901 | ||
902 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
903 | ||
dfcf069d | 904 | void |
08a24c47 JB |
905 | clear_end_of_line_raw (first_unused_hpos) |
906 | int first_unused_hpos; | |
907 | { | |
908 | register int i; | |
909 | ||
910 | if (clear_end_of_line_hook | |
1820044b | 911 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 912 | ? updating_frame |
e52f4e08 | 913 | : XFRAME (selected_frame)))) |
08a24c47 JB |
914 | { |
915 | (*clear_end_of_line_hook) (first_unused_hpos); | |
916 | return; | |
917 | } | |
918 | ||
36cae867 KH |
919 | /* Detect the case where we are called from reset_sys_modes |
920 | and the costs have never been calculated. Do nothing. */ | |
921 | if (chars_wasted == 0) | |
922 | return; | |
923 | ||
08a24c47 JB |
924 | first_unused_hpos += chars_wasted[curY] & 077; |
925 | if (curX >= first_unused_hpos) | |
926 | return; | |
927 | /* Notice if we are erasing a magic cookie */ | |
928 | if (curX == 0) | |
929 | chars_wasted[curY] = 0; | |
930 | background_highlight (); | |
931 | if (TS_clr_line) | |
932 | { | |
933 | OUTPUT1 (TS_clr_line); | |
934 | } | |
935 | else | |
936 | { /* have to do it the hard way */ | |
e52f4e08 | 937 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
938 | turn_off_insert (); |
939 | ||
a168702a | 940 | /* Do not write in last row last col with Auto-wrap on. */ |
e52f4e08 GM |
941 | if (AutoWrap && curY == FRAME_HEIGHT (sf) - 1 |
942 | && first_unused_hpos == FRAME_WIDTH (sf)) | |
08a24c47 JB |
943 | first_unused_hpos--; |
944 | ||
945 | for (i = curX; i < first_unused_hpos; i++) | |
946 | { | |
947 | if (termscript) | |
948 | fputc (' ', termscript); | |
949 | putchar (' '); | |
950 | } | |
951 | cmplus (first_unused_hpos - curX); | |
952 | } | |
953 | } | |
954 | \f | |
a4decb7f KH |
955 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
956 | store them at DST. Do not write more than DST_LEN bytes. That may | |
957 | require stopping before all SRC_LEN input glyphs have been | |
958 | converted. | |
959 | ||
960 | We store the number of glyphs actually converted in *CONSUMED. The | |
961 | return value is the number of bytes store in DST. */ | |
962 | ||
963 | int | |
964 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 965 | struct glyph *src; |
a4decb7f KH |
966 | int src_len; |
967 | unsigned char *dst; | |
968 | int dst_len, *consumed; | |
969 | { | |
a168702a | 970 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 971 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 972 | register GLYPH g; |
c7cba11d | 973 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf; |
6589fd67 | 974 | int len; |
a4decb7f KH |
975 | register int tlen = GLYPH_TABLE_LENGTH; |
976 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 977 | int result; |
6589fd67 KH |
978 | struct coding_system *coding; |
979 | ||
1ac0700a KH |
980 | /* If terminal_coding does any conversion, use it, otherwise use |
981 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
982 | because it always return 1 if the member src_multibyte is 1. */ | |
983 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
984 | ? &terminal_coding |
985 | : &safe_terminal_coding); | |
a4decb7f KH |
986 | |
987 | while (src < src_end) | |
988 | { | |
a4decb7f | 989 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 990 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 991 | { |
32de38e4 KH |
992 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
993 | ||
994 | if (g < 0 || g >= tlen) | |
085d5908 | 995 | { |
32de38e4 KH |
996 | /* This glyph doesn't has an entry in Vglyph_table. */ |
997 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
998 | { | |
999 | len = 1; | |
1000 | buf = " "; | |
f2ba40be | 1001 | coding->src_multibyte = 0; |
32de38e4 KH |
1002 | } |
1003 | else | |
1004 | { | |
1005 | len = CHAR_STRING (src->u.ch, workbuf); | |
1006 | buf = workbuf; | |
f2ba40be | 1007 | coding->src_multibyte = 1; |
32de38e4 | 1008 | } |
085d5908 | 1009 | } |
32de38e4 | 1010 | else |
a4decb7f | 1011 | { |
32de38e4 | 1012 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
1013 | so process any alias before testing for simpleness. */ |
1014 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
1015 | |
1016 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
1017 | { | |
c989b7be KH |
1018 | /* We set the multi-byte form of a character in G |
1019 | (that should be an ASCII character) at | |
1020 | WORKBUF. */ | |
1021 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
1022 | len = 1; | |
32de38e4 | 1023 | buf = workbuf; |
f2ba40be | 1024 | coding->src_multibyte = 0; |
32de38e4 KH |
1025 | } |
1026 | else | |
1027 | { | |
1028 | /* We have a string in Vglyph_table. */ | |
1029 | len = GLYPH_LENGTH (tbase, g); | |
1030 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 1031 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 1032 | } |
171d7f24 | 1033 | } |
a4decb7f | 1034 | |
f3ac545f | 1035 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 1036 | len -= coding->consumed; |
6589fd67 | 1037 | dst += coding->produced; |
f3ac545f KH |
1038 | if (result == CODING_FINISH_INSUFFICIENT_DST |
1039 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
1040 | && len > dst_end - dst)) | |
1041 | /* The remaining output buffer is too short. We must | |
1042 | break the loop here without increasing SRC so that the | |
1043 | next call of this function starts from the same glyph. */ | |
1044 | break; | |
1045 | ||
c42869c4 KH |
1046 | if (len > 0) |
1047 | { | |
f3ac545f KH |
1048 | /* This is the case that a code of the range 0200..0237 |
1049 | exists in buf. We must just write out such a code. */ | |
1050 | buf += coding->consumed; | |
1051 | while (len--) | |
1052 | *dst++ = *buf++; | |
c42869c4 | 1053 | } |
a4decb7f KH |
1054 | } |
1055 | src++; | |
1056 | } | |
a168702a | 1057 | |
a4decb7f KH |
1058 | *consumed = src - src_start; |
1059 | return (dst - dst_start); | |
1060 | } | |
1061 | ||
08a24c47 | 1062 | |
dfcf069d | 1063 | void |
08a24c47 | 1064 | write_glyphs (string, len) |
a168702a | 1065 | register struct glyph *string; |
08a24c47 JB |
1066 | register int len; |
1067 | { | |
a4decb7f | 1068 | int produced, consumed; |
e52f4e08 GM |
1069 | struct frame *sf = XFRAME (selected_frame); |
1070 | struct frame *f = updating_frame ? updating_frame : sf; | |
d2fdb076 KH |
1071 | unsigned char conversion_buffer[1024]; |
1072 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 JB |
1073 | |
1074 | if (write_glyphs_hook | |
a168702a | 1075 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
1076 | { |
1077 | (*write_glyphs_hook) (string, len); | |
1078 | return; | |
1079 | } | |
1080 | ||
08a24c47 | 1081 | turn_off_insert (); |
d284f58f | 1082 | tty_hide_cursor (); |
08a24c47 | 1083 | |
a168702a | 1084 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 1085 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
1086 | |
1087 | if (AutoWrap | |
e52f4e08 GM |
1088 | && curY + 1 == FRAME_HEIGHT (sf) |
1089 | && (curX + len - (chars_wasted[curY] & 077) == FRAME_WIDTH (sf))) | |
08a24c47 | 1090 | len --; |
a4decb7f KH |
1091 | if (len <= 0) |
1092 | return; | |
08a24c47 JB |
1093 | |
1094 | cmplus (len); | |
a168702a | 1095 | |
6589fd67 KH |
1096 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
1097 | the tail. */ | |
1098 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
a168702a | 1099 | |
a4decb7f | 1100 | while (len > 0) |
08a24c47 | 1101 | { |
a168702a | 1102 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 1103 | int face_id = string->face_id; |
a168702a GM |
1104 | int n; |
1105 | ||
1106 | for (n = 1; n < len; ++n) | |
32de38e4 | 1107 | if (string[n].face_id != face_id) |
a168702a GM |
1108 | break; |
1109 | ||
1110 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 1111 | highlight_if_desired (); |
a168702a GM |
1112 | turn_on_face (f, face_id); |
1113 | ||
1114 | while (n > 0) | |
08a24c47 | 1115 | { |
d2fdb076 KH |
1116 | /* We use a fixed size (1024 bytes) of conversion buffer. |
1117 | Usually it is sufficient, but if not, we just repeat the | |
1118 | loop. */ | |
a168702a GM |
1119 | produced = encode_terminal_code (string, conversion_buffer, |
1120 | n, conversion_buffer_size, | |
1121 | &consumed); | |
1122 | if (produced > 0) | |
1123 | { | |
1124 | fwrite (conversion_buffer, 1, produced, stdout); | |
1125 | if (ferror (stdout)) | |
1126 | clearerr (stdout); | |
1127 | if (termscript) | |
1128 | fwrite (conversion_buffer, 1, produced, termscript); | |
1129 | } | |
1130 | len -= consumed; | |
1131 | n -= consumed; | |
1132 | string += consumed; | |
08a24c47 | 1133 | } |
a168702a GM |
1134 | |
1135 | /* Turn appearance modes off. */ | |
1136 | turn_off_face (f, face_id); | |
65aa5e85 | 1137 | turn_off_highlight (); |
a4decb7f | 1138 | } |
a168702a | 1139 | |
a4decb7f | 1140 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 1141 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 1142 | { |
6589fd67 | 1143 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 1144 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
1145 | 0, conversion_buffer_size); |
1146 | if (terminal_coding.produced > 0) | |
df8bf431 | 1147 | { |
6589fd67 | 1148 | fwrite (conversion_buffer, 1, terminal_coding.produced, stdout); |
df8bf431 KH |
1149 | if (ferror (stdout)) |
1150 | clearerr (stdout); | |
1151 | if (termscript) | |
6589fd67 KH |
1152 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
1153 | termscript); | |
df8bf431 | 1154 | } |
08a24c47 | 1155 | } |
a168702a | 1156 | |
9a6b6f92 | 1157 | cmcheckmagic (); |
08a24c47 JB |
1158 | } |
1159 | ||
1160 | /* If start is zero, insert blanks instead of a string at start */ | |
1161 | ||
dfcf069d | 1162 | void |
08a24c47 | 1163 | insert_glyphs (start, len) |
a168702a | 1164 | register struct glyph *start; |
08a24c47 JB |
1165 | register int len; |
1166 | { | |
1167 | char *buf; | |
6bbd7a29 | 1168 | struct glyph *glyph = NULL; |
e52f4e08 | 1169 | struct frame *f, *sf; |
08a24c47 | 1170 | |
a4decb7f KH |
1171 | if (len <= 0) |
1172 | return; | |
1173 | ||
a168702a | 1174 | if (insert_glyphs_hook) |
08a24c47 JB |
1175 | { |
1176 | (*insert_glyphs_hook) (start, len); | |
1177 | return; | |
1178 | } | |
a168702a | 1179 | |
e52f4e08 GM |
1180 | sf = XFRAME (selected_frame); |
1181 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1182 | |
1183 | if (TS_ins_multi_chars) | |
1184 | { | |
1185 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1186 | OUTPUT1 (buf); | |
9ac0d9e0 | 1187 | xfree (buf); |
08a24c47 JB |
1188 | if (start) |
1189 | write_glyphs (start, len); | |
1190 | return; | |
1191 | } | |
1192 | ||
1193 | turn_on_insert (); | |
1194 | cmplus (len); | |
6589fd67 KH |
1195 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
1196 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 1197 | while (len-- > 0) |
08a24c47 | 1198 | { |
a4decb7f | 1199 | int produced, consumed; |
d2fdb076 KH |
1200 | unsigned char conversion_buffer[1024]; |
1201 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 1202 | |
08a24c47 JB |
1203 | OUTPUT1_IF (TS_ins_char); |
1204 | if (!start) | |
32de38e4 KH |
1205 | { |
1206 | conversion_buffer[0] = SPACEGLYPH; | |
1207 | produced = 1; | |
1208 | } | |
08a24c47 | 1209 | else |
08a24c47 | 1210 | { |
65aa5e85 | 1211 | highlight_if_desired (); |
32de38e4 | 1212 | turn_on_face (f, start->face_id); |
816be8b8 | 1213 | glyph = start; |
a168702a | 1214 | ++start; |
a4decb7f KH |
1215 | /* We must open sufficient space for a character which |
1216 | occupies more than one column. */ | |
a168702a | 1217 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1218 | { |
1219 | OUTPUT1_IF (TS_ins_char); | |
1220 | start++, len--; | |
1221 | } | |
a4decb7f | 1222 | |
32de38e4 KH |
1223 | if (len <= 0) |
1224 | /* This is the last glyph. */ | |
1225 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
1226 | ||
d2fdb076 KH |
1227 | /* The size of conversion buffer (1024 bytes) is surely |
1228 | sufficient for just one glyph. */ | |
816be8b8 | 1229 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
1230 | conversion_buffer_size, &consumed); |
1231 | } | |
a4decb7f | 1232 | |
a4decb7f | 1233 | if (produced > 0) |
08a24c47 | 1234 | { |
a4decb7f | 1235 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
1236 | if (ferror (stdout)) |
1237 | clearerr (stdout); | |
1238 | if (termscript) | |
a4decb7f | 1239 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
1240 | } |
1241 | ||
9a6b6f92 | 1242 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1243 | if (start) |
65aa5e85 GM |
1244 | { |
1245 | turn_off_face (f, glyph->face_id); | |
1246 | turn_off_highlight (); | |
1247 | } | |
9a6b6f92 | 1248 | } |
a168702a | 1249 | |
9a6b6f92 | 1250 | cmcheckmagic (); |
08a24c47 JB |
1251 | } |
1252 | ||
dfcf069d | 1253 | void |
08a24c47 JB |
1254 | delete_glyphs (n) |
1255 | register int n; | |
1256 | { | |
1257 | char *buf; | |
1258 | register int i; | |
1259 | ||
1820044b | 1260 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1261 | { |
1262 | (*delete_glyphs_hook) (n); | |
1263 | return; | |
1264 | } | |
1265 | ||
1266 | if (delete_in_insert_mode) | |
1267 | { | |
1268 | turn_on_insert (); | |
1269 | } | |
1270 | else | |
1271 | { | |
1272 | turn_off_insert (); | |
1273 | OUTPUT_IF (TS_delete_mode); | |
1274 | } | |
1275 | ||
1276 | if (TS_del_multi_chars) | |
1277 | { | |
1278 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1279 | OUTPUT1 (buf); | |
9ac0d9e0 | 1280 | xfree (buf); |
08a24c47 JB |
1281 | } |
1282 | else | |
1283 | for (i = 0; i < n; i++) | |
1284 | OUTPUT1 (TS_del_char); | |
1285 | if (!delete_in_insert_mode) | |
1286 | OUTPUT_IF (TS_end_delete_mode); | |
1287 | } | |
1288 | \f | |
1289 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1290 | ||
dfcf069d | 1291 | void |
08a24c47 JB |
1292 | ins_del_lines (vpos, n) |
1293 | int vpos, n; | |
1294 | { | |
1295 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1296 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1297 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1298 | struct frame *sf; |
08a24c47 JB |
1299 | |
1300 | register int i = n > 0 ? n : -n; | |
1301 | register char *buf; | |
1302 | ||
1820044b | 1303 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1304 | { |
1305 | (*ins_del_lines_hook) (vpos, n); | |
1306 | return; | |
1307 | } | |
1308 | ||
e52f4e08 GM |
1309 | sf = XFRAME (selected_frame); |
1310 | ||
08a24c47 JB |
1311 | /* If the lines below the insertion are being pushed |
1312 | into the end of the window, this is the same as clearing; | |
1313 | and we know the lines are already clear, since the matching | |
1314 | deletion has already been done. So can ignore this. */ | |
1315 | /* If the lines below the deletion are blank lines coming | |
1316 | out of the end of the window, don't bother, | |
1317 | as there will be a matching inslines later that will flush them. */ | |
1318 | if (scroll_region_ok && vpos + i >= specified_window) | |
1319 | return; | |
e52f4e08 | 1320 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (sf)) |
08a24c47 JB |
1321 | return; |
1322 | ||
1323 | if (multi) | |
1324 | { | |
1325 | raw_cursor_to (vpos, 0); | |
1326 | background_highlight (); | |
1327 | buf = tparam (multi, 0, 0, i); | |
1328 | OUTPUT (buf); | |
9ac0d9e0 | 1329 | xfree (buf); |
08a24c47 JB |
1330 | } |
1331 | else if (single) | |
1332 | { | |
1333 | raw_cursor_to (vpos, 0); | |
1334 | background_highlight (); | |
1335 | while (--i >= 0) | |
1336 | OUTPUT (single); | |
1337 | if (TF_teleray) | |
1338 | curX = 0; | |
1339 | } | |
1340 | else | |
1341 | { | |
1342 | set_scroll_region (vpos, specified_window); | |
1343 | if (n < 0) | |
1344 | raw_cursor_to (specified_window - 1, 0); | |
1345 | else | |
1346 | raw_cursor_to (vpos, 0); | |
1347 | background_highlight (); | |
1348 | while (--i >= 0) | |
1349 | OUTPUTL (scroll, specified_window - vpos); | |
1350 | set_scroll_region (0, specified_window); | |
1351 | } | |
1352 | ||
1353 | if (TN_standout_width >= 0) | |
1354 | { | |
dfcf069d | 1355 | register int lower_limit |
08a24c47 JB |
1356 | = (scroll_region_ok |
1357 | ? specified_window | |
e52f4e08 | 1358 | : FRAME_HEIGHT (sf)); |
08a24c47 JB |
1359 | |
1360 | if (n < 0) | |
1361 | { | |
1362 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1363 | lower_limit - vpos + n); | |
1364 | bzero (&chars_wasted[lower_limit + n], - n); | |
1365 | } | |
1366 | else | |
1367 | { | |
1368 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1369 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1370 | lower_limit - vpos - n); | |
1371 | bzero (&chars_wasted[vpos], n); | |
1372 | } | |
1373 | } | |
ff11dfa1 | 1374 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1375 | { |
e52f4e08 | 1376 | cursor_to (FRAME_HEIGHT (sf) + n, 0); |
08a24c47 JB |
1377 | clear_to_end (); |
1378 | } | |
1379 | } | |
1380 | \f | |
1381 | /* Compute cost of sending "str", in characters, | |
1382 | not counting any line-dependent padding. */ | |
1383 | ||
1384 | int | |
1385 | string_cost (str) | |
1386 | char *str; | |
1387 | { | |
1388 | cost = 0; | |
1389 | if (str) | |
1390 | tputs (str, 0, evalcost); | |
1391 | return cost; | |
1392 | } | |
1393 | ||
1394 | /* Compute cost of sending "str", in characters, | |
1395 | counting any line-dependent padding at one line. */ | |
1396 | ||
1397 | static int | |
1398 | string_cost_one_line (str) | |
1399 | char *str; | |
1400 | { | |
1401 | cost = 0; | |
1402 | if (str) | |
1403 | tputs (str, 1, evalcost); | |
1404 | return cost; | |
1405 | } | |
1406 | ||
1407 | /* Compute per line amount of line-dependent padding, | |
1408 | in tenths of characters. */ | |
1409 | ||
1410 | int | |
1411 | per_line_cost (str) | |
1412 | register char *str; | |
1413 | { | |
1414 | cost = 0; | |
1415 | if (str) | |
1416 | tputs (str, 0, evalcost); | |
1417 | cost = - cost; | |
1418 | if (str) | |
1419 | tputs (str, 10, evalcost); | |
1420 | return cost; | |
1421 | } | |
1422 | ||
1423 | #ifndef old | |
1424 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1425 | char_ins_del_cost[-n] is cost of deleting N characters. |
1426 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1427 | |
1428 | int *char_ins_del_vector; | |
1429 | ||
ff11dfa1 | 1430 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1431 | #endif |
1432 | ||
1433 | /* ARGSUSED */ | |
1434 | static void | |
ff11dfa1 JB |
1435 | calculate_ins_del_char_costs (frame) |
1436 | FRAME_PTR frame; | |
08a24c47 JB |
1437 | { |
1438 | int ins_startup_cost, del_startup_cost; | |
1439 | int ins_cost_per_char, del_cost_per_char; | |
1440 | register int i; | |
1441 | register int *p; | |
1442 | ||
1443 | if (TS_ins_multi_chars) | |
1444 | { | |
1445 | ins_cost_per_char = 0; | |
1446 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1447 | } | |
1448 | else if (TS_ins_char || TS_pad_inserted_char | |
1449 | || (TS_insert_mode && TS_end_insert_mode)) | |
1450 | { | |
1451 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1452 | + string_cost (TS_end_insert_mode))) / 100; | |
1453 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1454 | + string_cost_one_line (TS_pad_inserted_char)); | |
1455 | } | |
1456 | else | |
1457 | { | |
1458 | ins_startup_cost = 9999; | |
1459 | ins_cost_per_char = 0; | |
1460 | } | |
1461 | ||
1462 | if (TS_del_multi_chars) | |
1463 | { | |
1464 | del_cost_per_char = 0; | |
1465 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1466 | } | |
1467 | else if (TS_del_char) | |
1468 | { | |
1469 | del_startup_cost = (string_cost (TS_delete_mode) | |
1470 | + string_cost (TS_end_delete_mode)); | |
1471 | if (delete_in_insert_mode) | |
1472 | del_startup_cost /= 2; | |
1473 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1474 | } | |
1475 | else | |
1476 | { | |
1477 | del_startup_cost = 9999; | |
1478 | del_cost_per_char = 0; | |
1479 | } | |
1480 | ||
1481 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1482 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1483 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1484 | *--p = (del_startup_cost += del_cost_per_char); |
1485 | ||
1486 | /* Doing nothing is free */ | |
ff11dfa1 | 1487 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1488 | *p++ = 0; |
1489 | ||
1490 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1491 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1492 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1493 | } | |
1494 | ||
dfcf069d | 1495 | void |
ff11dfa1 JB |
1496 | calculate_costs (frame) |
1497 | FRAME_PTR frame; | |
08a24c47 | 1498 | { |
9f732a77 RS |
1499 | register char *f = (TS_set_scroll_region |
1500 | ? TS_set_scroll_region | |
1501 | : TS_set_scroll_region_1); | |
08a24c47 | 1502 | |
9f732a77 | 1503 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1504 | |
be7cd44f | 1505 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1506 | |
1507 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1508 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1509 | |
1510 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1511 | X turns off char_ins_del_ok. | |
1512 | ||
1513 | chars_wasted and copybuf are only used here in term.c in cases where | |
1514 | the term hook isn't called. */ | |
1515 | ||
8dd0c7cb RS |
1516 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1517 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1518 | ||
08a24c47 | 1519 | if (chars_wasted != 0) |
8dd0c7cb | 1520 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1521 | else |
8dd0c7cb | 1522 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1523 | |
1524 | if (copybuf != 0) | |
8dd0c7cb | 1525 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1526 | else |
8dd0c7cb | 1527 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1528 | |
1529 | if (char_ins_del_vector != 0) | |
1530 | char_ins_del_vector | |
1531 | = (int *) xrealloc (char_ins_del_vector, | |
1532 | (sizeof (int) | |
8dd0c7cb | 1533 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1534 | else |
1535 | char_ins_del_vector | |
1536 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1537 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1538 | |
8dd0c7cb RS |
1539 | bzero (chars_wasted, max_frame_height); |
1540 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1541 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1542 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1543 | |
ff11dfa1 JB |
1544 | if (f && (!TS_ins_line && !TS_del_line)) |
1545 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1546 | TS_rev_scroll, TS_ins_multi_lines, |
1547 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1548 | f, f, 1); |
08a24c47 | 1549 | else |
ff11dfa1 | 1550 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1551 | TS_ins_line, TS_ins_multi_lines, |
1552 | TS_del_line, TS_del_multi_lines, | |
1553 | 0, 0, 1); | |
1554 | ||
ff11dfa1 | 1555 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1556 | |
1557 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1558 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1559 | RPov = string_cost (TS_repeat); | |
1560 | else | |
ff11dfa1 | 1561 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1562 | |
1563 | cmcostinit (); /* set up cursor motion costs */ | |
1564 | } | |
1565 | \f | |
a796ac82 JB |
1566 | struct fkey_table { |
1567 | char *cap, *name; | |
1568 | }; | |
1569 | ||
01d8deb0 ER |
1570 | /* Termcap capability names that correspond directly to X keysyms. |
1571 | Some of these (marked "terminfo") aren't supplied by old-style | |
1572 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1573 | except we put the keypad keys first, so that if they clash with | |
1574 | other keys (as on the IBM PC keyboard) they get overridden. | |
1575 | */ | |
1576 | ||
a168702a GM |
1577 | static struct fkey_table keys[] = |
1578 | { | |
01d8deb0 ER |
1579 | "kh", "home", /* termcap */ |
1580 | "kl", "left", /* termcap */ | |
1581 | "ku", "up", /* termcap */ | |
1582 | "kr", "right", /* termcap */ | |
1583 | "kd", "down", /* termcap */ | |
1584 | "%8", "prior", /* terminfo */ | |
1585 | "%5", "next", /* terminfo */ | |
1586 | "@7", "end", /* terminfo */ | |
1587 | "@1", "begin", /* terminfo */ | |
1588 | "*6", "select", /* terminfo */ | |
1589 | "%9", "print", /* terminfo */ | |
1590 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1591 | /* | |
1592 | * "insert" --- see below | |
1593 | */ | |
1594 | "&8", "undo", /* terminfo */ | |
1595 | "%0", "redo", /* terminfo */ | |
1596 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1597 | "@0", "find", /* terminfo */ | |
1598 | "@2", "cancel", /* terminfo */ | |
1599 | "%1", "help", /* terminfo */ | |
1600 | /* | |
1601 | * "break" goes here, but can't be reliably intercepted with termcap | |
1602 | */ | |
1603 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1604 | /* | |
1605 | * "system" and "user" --- no termcaps | |
1606 | */ | |
1607 | "kE", "clearline", /* terminfo */ | |
1608 | "kA", "insertline", /* terminfo */ | |
1609 | "kL", "deleteline", /* terminfo */ | |
1610 | "kI", "insertchar", /* terminfo */ | |
1611 | "kD", "deletechar", /* terminfo */ | |
1612 | "kB", "backtab", /* terminfo */ | |
1613 | /* | |
1614 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1615 | */ | |
1616 | "@8", "kp-enter", /* terminfo */ | |
1617 | /* | |
1618 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1619 | * "kp-multiply", "kp-add", "kp-separator", | |
1620 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1621 | * --- no termcaps for any of these. | |
1622 | */ | |
1623 | "K4", "kp-1", /* terminfo */ | |
1624 | /* | |
1625 | * "kp-2" --- no termcap | |
1626 | */ | |
1627 | "K5", "kp-3", /* terminfo */ | |
1628 | /* | |
1629 | * "kp-4" --- no termcap | |
1630 | */ | |
1631 | "K2", "kp-5", /* terminfo */ | |
1632 | /* | |
1633 | * "kp-6" --- no termcap | |
1634 | */ | |
1635 | "K1", "kp-7", /* terminfo */ | |
1636 | /* | |
1637 | * "kp-8" --- no termcap | |
1638 | */ | |
1639 | "K3", "kp-9", /* terminfo */ | |
1640 | /* | |
1641 | * "kp-equal" --- no termcap | |
1642 | */ | |
1643 | "k1", "f1", | |
1644 | "k2", "f2", | |
1645 | "k3", "f3", | |
1646 | "k4", "f4", | |
1647 | "k5", "f5", | |
1648 | "k6", "f6", | |
1649 | "k7", "f7", | |
1650 | "k8", "f8", | |
1651 | "k9", "f9", | |
a796ac82 JB |
1652 | }; |
1653 | ||
f2a00342 RM |
1654 | static char **term_get_fkeys_arg; |
1655 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1656 | |
01d8deb0 ER |
1657 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1658 | This function scans the termcap function key sequence entries, and | |
1659 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1660 | ||
5c2c7893 JB |
1661 | void |
1662 | term_get_fkeys (address) | |
1663 | char **address; | |
f2a00342 RM |
1664 | { |
1665 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1666 | errors during the call. The only errors should be from Fdefine_key | |
1667 | when given a key sequence containing an invalid prefix key. If the | |
1668 | termcap defines function keys which use a prefix that is already bound | |
1669 | to a command by the default bindings, we should silently ignore that | |
1670 | function key specification, rather than giving the user an error and | |
1671 | refusing to run at all on such a terminal. */ | |
1672 | ||
1673 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1674 | term_get_fkeys_arg = address; |
1675 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1676 | } | |
1677 | ||
1678 | static Lisp_Object | |
1679 | term_get_fkeys_1 () | |
5c2c7893 | 1680 | { |
5c2c7893 JB |
1681 | int i; |
1682 | ||
37085233 | 1683 | char **address = term_get_fkeys_arg; |
f778aff2 | 1684 | |
3e65092f RS |
1685 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1686 | if (!initialized) | |
1687 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1688 | ||
5c2c7893 JB |
1689 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1690 | { | |
1691 | char *sequence = tgetstr (keys[i].cap, address); | |
1692 | if (sequence) | |
f2a00342 RM |
1693 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1694 | Fmake_vector (make_number (1), | |
1695 | intern (keys[i].name))); | |
5c2c7893 | 1696 | } |
a796ac82 JB |
1697 | |
1698 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1699 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1700 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1701 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1702 | */ | |
1703 | { | |
1704 | char *k_semi = tgetstr ("k;", address); | |
1705 | char *k0 = tgetstr ("k0", address); | |
1706 | char *k0_name = "f10"; | |
1707 | ||
1708 | if (k_semi) | |
1709 | { | |
f2a00342 RM |
1710 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1711 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1712 | k0_name = "f0"; |
1713 | } | |
1714 | ||
1715 | if (k0) | |
f2a00342 RM |
1716 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1717 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1718 | } |
01d8deb0 ER |
1719 | |
1720 | /* Set up cookies for numbered function keys above f10. */ | |
1721 | { | |
1722 | char fcap[3], fkey[4]; | |
1723 | ||
fc4f24da | 1724 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1725 | for (i = 11; i < 64; i++) |
1726 | { | |
1727 | if (i <= 19) | |
1728 | fcap[1] = '1' + i - 11; | |
1729 | else if (i <= 45) | |
b59ab95c | 1730 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1731 | else |
b59ab95c | 1732 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1733 | |
fc4f24da RS |
1734 | { |
1735 | char *sequence = tgetstr (fcap, address); | |
1736 | if (sequence) | |
1737 | { | |
465db27b | 1738 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1739 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1740 | Fmake_vector (make_number (1), | |
1741 | intern (fkey))); | |
fc4f24da RS |
1742 | } |
1743 | } | |
01d8deb0 ER |
1744 | } |
1745 | } | |
1746 | ||
1747 | /* | |
1748 | * Various mappings to try and get a better fit. | |
1749 | */ | |
1750 | { | |
fc4f24da RS |
1751 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1752 | if (!tgetstr (cap1, address)) \ | |
1753 | { \ | |
1754 | char *sequence = tgetstr (cap2, address); \ | |
1755 | if (sequence) \ | |
f2a00342 RM |
1756 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1757 | Fmake_vector (make_number (1), \ | |
1758 | intern (sym))); \ | |
fc4f24da | 1759 | } |
01d8deb0 ER |
1760 | |
1761 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1762 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1763 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1764 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1765 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1766 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1767 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1768 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1769 | |
1770 | /* IBM has their own non-standard dialect of terminfo. | |
1771 | If the standard name isn't found, try the IBM name. */ | |
1772 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1773 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1774 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1775 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1776 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1777 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1778 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1779 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1780 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1781 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1782 | } |
a168702a GM |
1783 | |
1784 | return Qnil; | |
5c2c7893 JB |
1785 | } |
1786 | ||
1787 | \f | |
a168702a GM |
1788 | /*********************************************************************** |
1789 | Character Display Information | |
1790 | ***********************************************************************/ | |
1791 | ||
1792 | static void append_glyph P_ ((struct it *)); | |
1793 | ||
1794 | ||
1795 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1796 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1797 | for which to produce glyphs; IT->face_id contains the character's | |
1798 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1799 | 1. */ | |
1800 | ||
1801 | static void | |
1802 | append_glyph (it) | |
1803 | struct it *it; | |
1804 | { | |
1805 | struct glyph *glyph, *end; | |
1806 | int i; | |
1807 | ||
1808 | xassert (it->glyph_row); | |
1809 | glyph = (it->glyph_row->glyphs[it->area] | |
1810 | + it->glyph_row->used[it->area]); | |
1811 | end = it->glyph_row->glyphs[1 + it->area]; | |
1812 | ||
1813 | for (i = 0; | |
1814 | i < it->pixel_width && glyph < end; | |
1815 | ++i) | |
1816 | { | |
1817 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1818 | glyph->pixel_width = 1; |
32de38e4 KH |
1819 | glyph->u.ch = it->c; |
1820 | glyph->face_id = it->face_id; | |
1821 | glyph->padding_p = i > 0; | |
a168702a GM |
1822 | glyph->charpos = CHARPOS (it->position); |
1823 | glyph->object = it->object; | |
1824 | ||
1825 | ++it->glyph_row->used[it->area]; | |
1826 | ++glyph; | |
1827 | } | |
1828 | } | |
1829 | ||
1830 | ||
1831 | /* Produce glyphs for the display element described by IT. The | |
1832 | function fills output fields of IT with pixel information like the | |
1833 | pixel width and height of a character, and maybe produces glyphs at | |
1834 | the same time if IT->glyph_row is non-null. See the explanation of | |
1835 | struct display_iterator in dispextern.h for an overview. */ | |
1836 | ||
1837 | void | |
1838 | produce_glyphs (it) | |
1839 | struct it *it; | |
1840 | { | |
1841 | /* If a hook is installed, let it do the work. */ | |
1842 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1843 | || it->what == IT_COMPOSITION |
a168702a GM |
1844 | || it->what == IT_IMAGE |
1845 | || it->what == IT_STRETCH); | |
1846 | ||
c7cba11d KH |
1847 | /* Nothing but characters are supported on terminal frames. For a |
1848 | composition sequence, it->c is the first character of the | |
1849 | sequence. */ | |
1850 | xassert (it->what == IT_CHARACTER | |
1851 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1852 | |
1853 | if (it->c >= 040 && it->c < 0177) | |
1854 | { | |
1855 | it->pixel_width = it->nglyphs = 1; | |
1856 | if (it->glyph_row) | |
1857 | append_glyph (it); | |
1858 | } | |
1859 | else if (it->c == '\n') | |
1860 | it->pixel_width = it->nglyphs = 0; | |
1861 | else if (it->c == '\t') | |
1862 | { | |
2efdbcdd | 1863 | int absolute_x = (it->current_x |
a168702a GM |
1864 | + it->continuation_lines_width); |
1865 | int next_tab_x | |
1866 | = (((1 + absolute_x + it->tab_width - 1) | |
1867 | / it->tab_width) | |
1868 | * it->tab_width); | |
1869 | int nspaces; | |
1870 | ||
1871 | /* If part of the TAB has been displayed on the previous line | |
1872 | which is continued now, continuation_lines_width will have | |
1873 | been incremented already by the part that fitted on the | |
1874 | continued line. So, we will get the right number of spaces | |
1875 | here. */ | |
1876 | nspaces = next_tab_x - absolute_x; | |
1877 | ||
1878 | if (it->glyph_row) | |
1879 | { | |
1880 | int n = nspaces; | |
1881 | ||
1882 | it->c = ' '; | |
1883 | it->pixel_width = it->len = 1; | |
1884 | ||
1885 | while (n--) | |
1886 | append_glyph (it); | |
1887 | ||
1888 | it->c = '\t'; | |
1889 | } | |
1890 | ||
1891 | it->pixel_width = nspaces; | |
1892 | it->nglyphs = nspaces; | |
1893 | } | |
add44890 EZ |
1894 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1895 | { | |
cf872af5 | 1896 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1897 | must send the code as is to the terminal. Although there's |
1898 | no way to know how many columns it occupies on a screen, it | |
1899 | is a good assumption that a single byte code has 1-column | |
1900 | width. */ | |
1901 | it->pixel_width = it->nglyphs = 1; | |
1902 | if (it->glyph_row) | |
1903 | append_glyph (it); | |
1904 | } | |
a168702a GM |
1905 | else |
1906 | { | |
c7cba11d KH |
1907 | /* A multi-byte character. The display width is fixed for all |
1908 | characters of the set. Some of the glyphs may have to be | |
1909 | ignored because they are already displayed in a continued | |
1910 | line. */ | |
a168702a GM |
1911 | int charset = CHAR_CHARSET (it->c); |
1912 | ||
c7cba11d | 1913 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a GM |
1914 | it->nglyphs = it->pixel_width; |
1915 | ||
1916 | if (it->glyph_row) | |
1917 | append_glyph (it); | |
1918 | } | |
1919 | ||
1920 | /* Advance current_x by the pixel width as a convenience for | |
1921 | the caller. */ | |
1922 | if (it->area == TEXT_AREA) | |
1923 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1924 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1925 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1926 | } |
1927 | ||
1928 | ||
1929 | /* Get information about special display element WHAT in an | |
1930 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1931 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1932 | non-null glyph_row member. This function ensures that fields like | |
1933 | face_id, c, len of IT are left untouched. */ | |
1934 | ||
1935 | void | |
1936 | produce_special_glyphs (it, what) | |
1937 | struct it *it; | |
1938 | enum display_element_type what; | |
1939 | { | |
1940 | struct it temp_it; | |
1941 | ||
1942 | temp_it = *it; | |
1943 | temp_it.dp = NULL; | |
1944 | temp_it.what = IT_CHARACTER; | |
1945 | temp_it.len = 1; | |
7c752c80 | 1946 | temp_it.object = make_number (0); |
a168702a GM |
1947 | bzero (&temp_it.current, sizeof temp_it.current); |
1948 | ||
1949 | if (what == IT_CONTINUATION) | |
1950 | { | |
1951 | /* Continuation glyph. */ | |
1952 | if (it->dp | |
1953 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1954 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1955 | { | |
1956 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1957 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1958 | } |
1959 | else | |
1960 | temp_it.c = '\\'; | |
1961 | ||
1962 | produce_glyphs (&temp_it); | |
1963 | it->pixel_width = temp_it.pixel_width; | |
1964 | it->nglyphs = temp_it.pixel_width; | |
1965 | } | |
1966 | else if (what == IT_TRUNCATION) | |
1967 | { | |
1968 | /* Truncation glyph. */ | |
1969 | if (it->dp | |
1970 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1971 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1972 | { | |
1973 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1974 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1975 | } |
1976 | else | |
1977 | temp_it.c = '$'; | |
1978 | ||
1979 | produce_glyphs (&temp_it); | |
1980 | it->pixel_width = temp_it.pixel_width; | |
1981 | it->nglyphs = temp_it.pixel_width; | |
1982 | } | |
1983 | else | |
1984 | abort (); | |
1985 | } | |
1986 | ||
1987 | ||
1988 | /* Return an estimation of the pixel height of mode or top lines on | |
1989 | frame F. FACE_ID specifies what line's height to estimate. */ | |
1990 | ||
1991 | int | |
1992 | estimate_mode_line_height (f, face_id) | |
1993 | struct frame *f; | |
1994 | enum face_id face_id; | |
1995 | { | |
1996 | if (estimate_mode_line_height_hook) | |
1997 | return estimate_mode_line_height_hook (f, face_id); | |
1998 | else | |
1999 | return 1; | |
2000 | } | |
2001 | ||
2002 | ||
2003 | \f | |
2004 | /*********************************************************************** | |
2005 | Faces | |
2006 | ***********************************************************************/ | |
2007 | ||
4e6ba4a4 GM |
2008 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2009 | one of the enumerators from enum no_color_bit, or a bit set built | |
2010 | from them. Some display attributes may not be used together with | |
2011 | color; the termcap capability `NC' specifies which ones. */ | |
2012 | ||
2013 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
2014 | (TN_max_colors > 0 \ | |
2015 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
2016 | : 1) | |
a168702a GM |
2017 | |
2018 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
2019 | ||
2020 | static void | |
2021 | turn_on_face (f, face_id) | |
2022 | struct frame *f; | |
2023 | int face_id; | |
2024 | { | |
2025 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2026 | long fg = face->foreground; |
2027 | long bg = face->background; | |
a168702a | 2028 | |
86a7d192 GM |
2029 | /* Do this first because TS_end_standout_mode may be the same |
2030 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
2031 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
2032 | { | |
2033 | if (TN_max_colors > 0) | |
2034 | { | |
2035 | if (fg >= 0 && bg >= 0) | |
2036 | { | |
2037 | /* If the terminal supports colors, we can set them | |
2038 | below without using reverse video. The face's fg | |
2039 | and bg colors are set as they should appear on | |
2040 | the screen, i.e. they take the inverse-video'ness | |
2041 | of the face already into account. */ | |
2042 | } | |
2043 | else if (inverse_video) | |
2044 | { | |
2045 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2046 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2047 | toggle_highlight (); | |
2048 | } | |
2049 | else | |
2050 | { | |
2051 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2052 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2053 | toggle_highlight (); | |
2054 | } | |
2055 | } | |
2056 | else | |
2057 | { | |
2058 | /* If we can't display colors, use reverse video | |
2059 | if the face specifies that. */ | |
37526b42 GM |
2060 | if (inverse_video) |
2061 | { | |
2062 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2063 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2064 | toggle_highlight (); | |
2065 | } | |
2066 | else | |
2067 | { | |
2068 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2069 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2070 | toggle_highlight (); | |
2071 | } | |
86a7d192 GM |
2072 | } |
2073 | } | |
a168702a GM |
2074 | |
2075 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
2076 | { |
2077 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
2078 | OUTPUT1_IF (TS_enter_bold_mode); | |
2079 | } | |
a168702a | 2080 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
2081 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
2082 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
2083 | |
2084 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2085 | if (face->tty_alt_charset_p |
2086 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2087 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2088 | ||
4e6ba4a4 GM |
2089 | if (face->tty_blinking_p |
2090 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2091 | OUTPUT1_IF (TS_enter_blink_mode); |
2092 | ||
2093 | if (face->tty_underline_p | |
2094 | /* Don't underline if that's difficult. */ | |
4e6ba4a4 GM |
2095 | && TN_magic_cookie_glitch_ul <= 0 |
2096 | && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) | |
a168702a GM |
2097 | OUTPUT1_IF (TS_enter_underline_mode); |
2098 | ||
a168702a GM |
2099 | if (TN_max_colors > 0) |
2100 | { | |
2101 | char *p; | |
2102 | ||
86a7d192 | 2103 | if (fg >= 0 && TS_set_foreground) |
a168702a | 2104 | { |
86a7d192 | 2105 | p = tparam (TS_set_foreground, NULL, 0, (int) fg); |
a168702a GM |
2106 | OUTPUT (p); |
2107 | xfree (p); | |
2108 | } | |
2109 | ||
86a7d192 | 2110 | if (bg >= 0 && TS_set_background) |
a168702a | 2111 | { |
86a7d192 | 2112 | p = tparam (TS_set_background, NULL, 0, (int) bg); |
a168702a GM |
2113 | OUTPUT (p); |
2114 | xfree (p); | |
2115 | } | |
2116 | } | |
2117 | } | |
2118 | ||
2119 | ||
2120 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2121 | ||
2122 | static void | |
2123 | turn_off_face (f, face_id) | |
2124 | struct frame *f; | |
2125 | int face_id; | |
2126 | { | |
2127 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2128 | |
2129 | xassert (face != NULL); | |
2130 | ||
2131 | if (TS_exit_attribute_mode) | |
2132 | { | |
2133 | /* Capability "me" will turn off appearance modes double-bright, | |
2134 | half-bright, reverse-video, standout, underline. It may or | |
2135 | may not turn off alt-char-mode. */ | |
2136 | if (face->tty_bold_p | |
2137 | || face->tty_dim_p | |
2138 | || face->tty_reverse_p | |
2139 | || face->tty_alt_charset_p | |
2140 | || face->tty_blinking_p | |
2141 | || face->tty_underline_p) | |
65aa5e85 GM |
2142 | { |
2143 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2144 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2145 | standout_mode = 0; | |
2146 | } | |
a168702a GM |
2147 | |
2148 | if (face->tty_alt_charset_p) | |
2149 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2150 | } | |
2151 | else | |
2152 | { | |
2153 | /* If we don't have "me" we can only have those appearances | |
2154 | that have exit sequences defined. */ | |
2155 | if (face->tty_alt_charset_p) | |
2156 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2157 | ||
2158 | if (face->tty_underline_p | |
2159 | /* We don't underline if that's difficult. */ | |
2160 | && TN_magic_cookie_glitch_ul <= 0) | |
2161 | OUTPUT_IF (TS_exit_underline_mode); | |
2162 | } | |
2163 | ||
2164 | /* Switch back to default colors. */ | |
2165 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2166 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2167 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2168 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2169 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2170 | OUTPUT1_IF (TS_orig_pair); |
2171 | } | |
2172 | ||
2173 | ||
2174 | /* Return non-zero if the terminal is capable to display colors. */ | |
2175 | ||
2176 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 EZ |
2177 | 0, 1, 0, |
2178 | "Return non-nil if TTY can display colors on FRAME.") | |
2179 | (frame) | |
2180 | Lisp_Object frame; | |
a168702a GM |
2181 | { |
2182 | return TN_max_colors > 0 ? Qt : Qnil; | |
2183 | } | |
2184 | ||
2185 | ||
2186 | ||
2187 | \f | |
2188 | /*********************************************************************** | |
2189 | Initialization | |
2190 | ***********************************************************************/ | |
2191 | ||
dfcf069d | 2192 | void |
08a24c47 JB |
2193 | term_init (terminal_type) |
2194 | char *terminal_type; | |
2195 | { | |
2196 | char *area; | |
2197 | char **address = &area; | |
2198 | char buffer[2044]; | |
2199 | register char *p; | |
2200 | int status; | |
e52f4e08 | 2201 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2202 | |
cb28b9c2 | 2203 | #ifdef WINDOWSNT |
29f27c39 | 2204 | initialize_w32_display (); |
cb28b9c2 RS |
2205 | |
2206 | Wcm_clear (); | |
cb28b9c2 | 2207 | |
a678d9ff | 2208 | area = (char *) xmalloc (2044); |
cb28b9c2 RS |
2209 | |
2210 | if (area == 0) | |
2211 | abort (); | |
2212 | ||
e52f4e08 GM |
2213 | FrameRows = FRAME_HEIGHT (sf); |
2214 | FrameCols = FRAME_WIDTH (sf); | |
2215 | specified_window = FRAME_HEIGHT (sf); | |
cb28b9c2 RS |
2216 | |
2217 | delete_in_insert_mode = 1; | |
2218 | ||
2219 | UseTabs = 0; | |
2220 | scroll_region_ok = 0; | |
2221 | ||
2222 | /* Seems to insert lines when it's not supposed to, messing | |
2223 | up the display. In doing a trace, it didn't seem to be | |
2224 | called much, so I don't think we're losing anything by | |
2225 | turning it off. */ | |
2226 | ||
2227 | line_ins_del_ok = 0; | |
2228 | char_ins_del_ok = 1; | |
2229 | ||
2230 | baud_rate = 19200; | |
2231 | ||
e52f4e08 GM |
2232 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2233 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2234 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2235 | |
2236 | return; | |
eccec691 | 2237 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2238 | |
08a24c47 | 2239 | Wcm_clear (); |
08a24c47 JB |
2240 | |
2241 | status = tgetent (buffer, terminal_type); | |
2242 | if (status < 0) | |
b0347178 KH |
2243 | { |
2244 | #ifdef TERMINFO | |
e12c1054 | 2245 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2246 | #else |
e12c1054 | 2247 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2248 | #endif |
2249 | } | |
08a24c47 | 2250 | if (status == 0) |
b0347178 KH |
2251 | { |
2252 | #ifdef TERMINFO | |
2253 | fatal ("Terminal type %s is not defined.\n\ | |
2254 | If that is not the actual type of terminal you have,\n\ | |
2255 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2256 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2257 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2258 | terminal_type); |
2259 | #else | |
2260 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2261 | If that is not the actual type of terminal you have,\n\ |
2262 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2263 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2264 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2265 | terminal_type); |
2266 | #endif | |
2267 | } | |
08a24c47 | 2268 | #ifdef TERMINFO |
a678d9ff | 2269 | area = (char *) xmalloc (2044); |
08a24c47 | 2270 | #else |
a678d9ff | 2271 | area = (char *) xmalloc (strlen (buffer)); |
08a24c47 JB |
2272 | #endif /* not TERMINFO */ |
2273 | if (area == 0) | |
2274 | abort (); | |
2275 | ||
2276 | TS_ins_line = tgetstr ("al", address); | |
2277 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2278 | TS_bell = tgetstr ("bl", address); | |
2279 | BackTab = tgetstr ("bt", address); | |
2280 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2281 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2282 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2283 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2284 | AbsPosition = tgetstr ("cm", address); |
2285 | CR = tgetstr ("cr", address); | |
2286 | TS_set_scroll_region = tgetstr ("cs", address); | |
2287 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2288 | RowPosition = tgetstr ("cv", address); | |
2289 | TS_del_char = tgetstr ("dc", address); | |
2290 | TS_del_multi_chars = tgetstr ("DC", address); | |
2291 | TS_del_line = tgetstr ("dl", address); | |
2292 | TS_del_multi_lines = tgetstr ("DL", address); | |
2293 | TS_delete_mode = tgetstr ("dm", address); | |
2294 | TS_end_delete_mode = tgetstr ("ed", address); | |
2295 | TS_end_insert_mode = tgetstr ("ei", address); | |
2296 | Home = tgetstr ("ho", address); | |
2297 | TS_ins_char = tgetstr ("ic", address); | |
2298 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2299 | TS_insert_mode = tgetstr ("im", address); | |
2300 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2301 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2302 | TS_keypad_mode = tgetstr ("ks", address); | |
2303 | LastLine = tgetstr ("ll", address); | |
2304 | Right = tgetstr ("nd", address); | |
2305 | Down = tgetstr ("do", address); | |
2306 | if (!Down) | |
2307 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2308 | #ifdef VMS | |
2309 | /* VMS puts a carriage return before each linefeed, | |
2310 | so it is not safe to use linefeeds. */ | |
2311 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2312 | Down = 0; | |
2313 | #endif /* VMS */ | |
2314 | if (tgetflag ("bs")) | |
2315 | Left = "\b"; /* can't possibly be longer! */ | |
2316 | else /* (Actually, "bs" is obsolete...) */ | |
2317 | Left = tgetstr ("le", address); | |
2318 | if (!Left) | |
2319 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2320 | TS_pad_char = tgetstr ("pc", address); | |
2321 | TS_repeat = tgetstr ("rp", address); | |
2322 | TS_end_standout_mode = tgetstr ("se", address); | |
2323 | TS_fwd_scroll = tgetstr ("sf", address); | |
2324 | TS_standout_mode = tgetstr ("so", address); | |
2325 | TS_rev_scroll = tgetstr ("sr", address); | |
2326 | Wcm.cm_tab = tgetstr ("ta", address); | |
2327 | TS_end_termcap_modes = tgetstr ("te", address); | |
2328 | TS_termcap_modes = tgetstr ("ti", address); | |
2329 | Up = tgetstr ("up", address); | |
2330 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2331 | TS_cursor_normal = tgetstr ("ve", address); |
2332 | TS_cursor_visible = tgetstr ("vs", address); | |
2333 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2334 | TS_set_window = tgetstr ("wi", address); |
a168702a GM |
2335 | |
2336 | TS_enter_underline_mode = tgetstr ("us", address); | |
2337 | TS_exit_underline_mode = tgetstr ("ue", address); | |
2338 | TN_magic_cookie_glitch_ul = tgetnum ("ug"); | |
2339 | TS_enter_bold_mode = tgetstr ("md", address); | |
2340 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2341 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2342 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2343 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2344 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2345 | TS_exit_attribute_mode = tgetstr ("me", address); | |
2346 | ||
08a24c47 JB |
2347 | MultiUp = tgetstr ("UP", address); |
2348 | MultiDown = tgetstr ("DO", address); | |
2349 | MultiLeft = tgetstr ("LE", address); | |
2350 | MultiRight = tgetstr ("RI", address); | |
2351 | ||
e7f90eab GM |
2352 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2353 | color because we can't switch back to the default foreground and | |
2354 | background. */ | |
a168702a | 2355 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2356 | if (TS_orig_pair) |
a168702a | 2357 | { |
e7f90eab GM |
2358 | TS_set_foreground = tgetstr ("AF", address); |
2359 | TS_set_background = tgetstr ("AB", address); | |
2360 | if (!TS_set_foreground) | |
2361 | { | |
2362 | /* SVr4. */ | |
2363 | TS_set_foreground = tgetstr ("Sf", address); | |
2364 | TS_set_background = tgetstr ("Sb", address); | |
2365 | } | |
4e6ba4a4 | 2366 | |
e7f90eab GM |
2367 | TN_max_colors = tgetnum ("Co"); |
2368 | TN_max_pairs = tgetnum ("pa"); | |
4e6ba4a4 GM |
2369 | |
2370 | TN_no_color_video = tgetnum ("NC"); | |
2371 | if (TN_no_color_video == -1) | |
2372 | TN_no_color_video = 0; | |
a168702a | 2373 | } |
a168702a | 2374 | |
e4058338 KH |
2375 | MagicWrap = tgetflag ("xn"); |
2376 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2377 | the former flag imply the latter. */ | |
2378 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2379 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2380 | TF_hazeltine = tgetflag ("hz"); |
2381 | must_write_spaces = tgetflag ("in"); | |
2382 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2383 | TF_insmode_motion = tgetflag ("mi"); | |
2384 | TF_standout_motion = tgetflag ("ms"); | |
2385 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2386 | TF_xs = tgetflag ("xs"); |
2387 | TF_teleray = tgetflag ("xt"); | |
2388 | ||
5c2c7893 JB |
2389 | term_get_fkeys (address); |
2390 | ||
ff11dfa1 | 2391 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2392 | { |
2393 | int height, width; | |
2394 | get_frame_size (&width, &height); | |
e52f4e08 GM |
2395 | FRAME_WIDTH (sf) = width; |
2396 | FRAME_HEIGHT (sf) = height; | |
3b12ce12 RS |
2397 | } |
2398 | ||
e52f4e08 GM |
2399 | if (FRAME_WIDTH (sf) <= 0) |
2400 | SET_FRAME_WIDTH (sf, tgetnum ("co")); | |
1efd8636 RS |
2401 | else |
2402 | /* Keep width and external_width consistent */ | |
e52f4e08 GM |
2403 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf)); |
2404 | if (FRAME_HEIGHT (sf) <= 0) | |
2405 | FRAME_HEIGHT (sf) = tgetnum ("li"); | |
1efd8636 | 2406 | |
e52f4e08 | 2407 | if (FRAME_HEIGHT (sf) < 3 || FRAME_WIDTH (sf) < 3) |
e12c1054 | 2408 | fatal ("Screen size %dx%d is too small", |
e52f4e08 | 2409 | FRAME_HEIGHT (sf), FRAME_WIDTH (sf)); |
ee7a2de4 | 2410 | |
08a24c47 JB |
2411 | min_padding_speed = tgetnum ("pb"); |
2412 | TN_standout_width = tgetnum ("sg"); | |
2413 | TabWidth = tgetnum ("tw"); | |
2414 | ||
2415 | #ifdef VMS | |
2416 | /* These capabilities commonly use ^J. | |
2417 | I don't know why, but sending them on VMS does not work; | |
2418 | it causes following spaces to be lost, sometimes. | |
2419 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2420 | if (Down && Down[0] == '\n') | |
2421 | Down = 0; | |
2422 | #endif /* VMS */ | |
2423 | ||
2424 | if (!TS_bell) | |
2425 | TS_bell = "\07"; | |
2426 | ||
2427 | if (!TS_fwd_scroll) | |
2428 | TS_fwd_scroll = Down; | |
2429 | ||
2430 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2431 | ||
2432 | if (TabWidth < 0) | |
2433 | TabWidth = 8; | |
2434 | ||
2435 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
2436 | and newer termcap doc does not seem to say there is a default. | |
2437 | if (!Wcm.cm_tab) | |
2438 | Wcm.cm_tab = "\t"; | |
2439 | */ | |
2440 | ||
2441 | if (TS_standout_mode == 0) | |
2442 | { | |
2443 | TN_standout_width = tgetnum ("ug"); | |
2444 | TS_end_standout_mode = tgetstr ("ue", address); | |
2445 | TS_standout_mode = tgetstr ("us", address); | |
2446 | } | |
2447 | ||
afd359c4 RS |
2448 | /* If no `se' string, try using a `me' string instead. |
2449 | If that fails, we can't use standout mode at all. */ | |
2450 | if (TS_end_standout_mode == 0) | |
2451 | { | |
e4bfb3b6 | 2452 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2453 | if (s != 0) |
2454 | TS_end_standout_mode = s; | |
2455 | else | |
2456 | TS_standout_mode = 0; | |
2457 | } | |
2458 | ||
08a24c47 JB |
2459 | if (TF_teleray) |
2460 | { | |
2461 | Wcm.cm_tab = 0; | |
2462 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
2463 | but Emacs can do without it (and give one extra column). */ | |
2464 | TS_standout_mode = "\033RD"; | |
2465 | TN_standout_width = 1; | |
2466 | /* But that means we cannot rely on ^M to go to column zero! */ | |
2467 | CR = 0; | |
2468 | /* LF can't be trusted either -- can alter hpos */ | |
2469 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2470 | Down = 0; | |
2471 | } | |
2472 | ||
2473 | /* Special handling for certain terminal types known to need it */ | |
2474 | ||
2475 | if (!strcmp (terminal_type, "supdup")) | |
2476 | { | |
ff11dfa1 | 2477 | memory_below_frame = 1; |
08a24c47 JB |
2478 | Wcm.cm_losewrap = 1; |
2479 | } | |
2480 | if (!strncmp (terminal_type, "c10", 3) | |
2481 | || !strcmp (terminal_type, "perq")) | |
2482 | { | |
2483 | /* Supply a makeshift :wi string. | |
2484 | This string is not valid in general since it works only | |
2485 | for windows starting at the upper left corner; | |
2486 | but that is all Emacs uses. | |
2487 | ||
ff11dfa1 | 2488 | This string works only if the frame is using |
08a24c47 JB |
2489 | the top of the video memory, because addressing is memory-relative. |
2490 | So first check the :ti string to see if that is true. | |
2491 | ||
2492 | It would be simpler if the :wi string could go in the termcap | |
2493 | entry, but it can't because it is not fully valid. | |
2494 | If it were in the termcap entry, it would confuse other programs. */ | |
2495 | if (!TS_set_window) | |
2496 | { | |
2497 | p = TS_termcap_modes; | |
2498 | while (*p && strcmp (p, "\033v ")) | |
2499 | p++; | |
2500 | if (*p) | |
2501 | TS_set_window = "\033v%C %C %C %C "; | |
2502 | } | |
2503 | /* Termcap entry often fails to have :in: flag */ | |
2504 | must_write_spaces = 1; | |
2505 | /* :ti string typically fails to have \E^G! in it */ | |
2506 | /* This limits scope of insert-char to one line. */ | |
2507 | strcpy (area, TS_termcap_modes); | |
2508 | strcat (area, "\033\007!"); | |
2509 | TS_termcap_modes = area; | |
2510 | area += strlen (area) + 1; | |
2511 | p = AbsPosition; | |
2512 | /* Change all %+ parameters to %C, to handle | |
2513 | values above 96 correctly for the C100. */ | |
2514 | while (*p) | |
2515 | { | |
2516 | if (p[0] == '%' && p[1] == '+') | |
2517 | p[1] = 'C'; | |
2518 | p++; | |
2519 | } | |
2520 | } | |
2521 | ||
e52f4e08 GM |
2522 | FrameRows = FRAME_HEIGHT (sf); |
2523 | FrameCols = FRAME_WIDTH (sf); | |
2524 | specified_window = FRAME_HEIGHT (sf); | |
08a24c47 JB |
2525 | |
2526 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2527 | #ifdef VMS | |
2528 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2529 | It lacks the ability to position the cursor.\n\ | |
2530 | If that is not the actual type of terminal you have, use either the\n\ | |
2531 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2532 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2533 | terminal_type); |
37dad45a RS |
2534 | #else /* not VMS */ |
2535 | # ifdef TERMINFO | |
2536 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2537 | It lacks the ability to position the cursor.\n\ | |
2538 | If that is not the actual type of terminal you have,\n\ | |
2539 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2540 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2541 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2542 | terminal_type); |
2543 | # else /* TERMCAP */ | |
08a24c47 JB |
2544 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2545 | It lacks the ability to position the cursor.\n\ | |
2546 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2547 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2548 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2549 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2550 | terminal_type); |
37dad45a RS |
2551 | # endif /* TERMINFO */ |
2552 | #endif /*VMS */ | |
e52f4e08 GM |
2553 | if (FRAME_HEIGHT (sf) <= 0 |
2554 | || FRAME_WIDTH (sf) <= 0) | |
e12c1054 | 2555 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2556 | |
2557 | delete_in_insert_mode | |
2558 | = TS_delete_mode && TS_insert_mode | |
2559 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2560 | ||
2561 | se_is_so = (TS_standout_mode | |
2562 | && TS_end_standout_mode | |
2563 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2564 | ||
2565 | /* Remove width of standout marker from usable width of line */ | |
2566 | if (TN_standout_width > 0) | |
e52f4e08 | 2567 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf) - TN_standout_width); |
08a24c47 JB |
2568 | |
2569 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
2570 | ||
2571 | scroll_region_ok | |
2572 | = (Wcm.cm_abs | |
2573 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2574 | ||
2575 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2576 | && (TS_del_line || TS_del_multi_lines)) | |
2577 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2578 | ||
2579 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2580 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2581 | && (TS_del_char || TS_del_multi_chars)); | |
2582 | ||
2583 | fast_clear_end_of_line = TS_clr_line != 0; | |
2584 | ||
2585 | init_baud_rate (); | |
2586 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2587 | /* meaningless in this case */ | |
2588 | baud_rate = 9600; | |
20a558dc | 2589 | |
e52f4e08 GM |
2590 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2591 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2592 | #endif /* WINDOWSNT */ |
08a24c47 JB |
2593 | } |
2594 | ||
2595 | /* VARARGS 1 */ | |
dfcf069d | 2596 | void |
08a24c47 | 2597 | fatal (str, arg1, arg2) |
4746118a | 2598 | char *str, *arg1, *arg2; |
08a24c47 JB |
2599 | { |
2600 | fprintf (stderr, "emacs: "); | |
2601 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2602 | fprintf (stderr, "\n"); |
08a24c47 JB |
2603 | fflush (stderr); |
2604 | exit (1); | |
2605 | } | |
07c57952 | 2606 | |
dfcf069d | 2607 | void |
07c57952 KH |
2608 | syms_of_term () |
2609 | { | |
2610 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
2611 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
2612 | This variable can be used by terminal emulator packages."); | |
2613 | #ifdef TERMINFO | |
2614 | system_uses_terminfo = 1; | |
2615 | #else | |
2616 | system_uses_terminfo = 0; | |
2617 | #endif | |
c291d9ef RS |
2618 | |
2619 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
2620 | "Non-nil means call this function to ring the bell.\n\ | |
2621 | The function should accept no arguments."); | |
2622 | Vring_bell_function = Qnil; | |
a168702a GM |
2623 | |
2624 | defsubr (&Stty_display_color_p); | |
07c57952 | 2625 | } |
a168702a | 2626 |