Commit | Line | Data |
---|---|---|
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> |
7ee72033 | 28 | |
08a24c47 JB |
29 | #include "termchar.h" |
30 | #include "termopts.h" | |
08a24c47 | 31 | #include "lisp.h" |
a4decb7f KH |
32 | #include "charset.h" |
33 | #include "coding.h" | |
2538fae4 | 34 | #include "keyboard.h" |
ff11dfa1 | 35 | #include "frame.h" |
08a24c47 JB |
36 | #include "disptab.h" |
37 | #include "termhooks.h" | |
dfcf069d | 38 | #include "dispextern.h" |
a168702a | 39 | #include "window.h" |
8feddab4 | 40 | #include "keymap.h" |
a168702a | 41 | |
ff23e1dd GM |
42 | /* For now, don't try to include termcap.h. On some systems, |
43 | configure finds a non-standard termcap.h that the main build | |
44 | won't find. */ | |
45 | ||
46 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 47 | #include <termcap.h> |
46d1b2bc DL |
48 | #else |
49 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
50 | extern int tgetent P_ ((char *, const char *)); | |
51 | extern int tgetflag P_ ((char *id)); | |
52 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
53 | #endif |
54 | ||
eccec691 | 55 | #include "cm.h" |
dfcf069d AS |
56 | #ifdef HAVE_X_WINDOWS |
57 | #include "xterm.h" | |
58 | #endif | |
1a578e9b AC |
59 | #ifdef macintosh |
60 | #include "macterm.h" | |
61 | #endif | |
c8951b18 | 62 | |
a168702a GM |
63 | static void turn_on_face P_ ((struct frame *, int face_id)); |
64 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
65 | static void tty_show_cursor P_ ((void)); | |
66 | static void tty_hide_cursor P_ ((void)); | |
67 | ||
e52f4e08 GM |
68 | #define OUTPUT(a) \ |
69 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) - curY), cmputc) | |
08a24c47 JB |
70 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
71 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 72 | |
b0f61f15 GM |
73 | #define OUTPUT_IF(a) \ |
74 | do { \ | |
75 | if (a) \ | |
76 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) \ | |
77 | - curY), cmputc); \ | |
78 | } while (0) | |
a168702a | 79 | |
b0f61f15 | 80 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 81 | |
c291d9ef | 82 | /* Function to use to ring the bell. */ |
a168702a | 83 | |
c291d9ef RS |
84 | Lisp_Object Vring_bell_function; |
85 | ||
eb8c3be9 | 86 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
87 | These are all extern'd in termchar.h */ |
88 | ||
08a24c47 JB |
89 | int must_write_spaces; /* Nonzero means spaces in the text |
90 | must actually be output; can't just skip | |
91 | over some columns to leave them blank. */ | |
92 | int min_padding_speed; /* Speed below which no padding necessary */ | |
93 | ||
94 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
95 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
96 | int scroll_region_ok; /* Terminal supports setting the | |
97 | scroll window */ | |
be7cd44f RS |
98 | int scroll_region_cost; /* Cost of setting a scroll window, |
99 | measured in characters */ | |
ff11dfa1 | 100 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
101 | scrolled off bottom */ |
102 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
103 | ||
ff11dfa1 | 104 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
105 | a suspended Emacs. This is useful on terminals with multiple pages, |
106 | where one page is used for Emacs and another for all else. */ | |
a168702a | 107 | |
08a24c47 JB |
108 | int no_redraw_on_reenter; |
109 | ||
110 | /* Hook functions that you can set to snap out the functions in this file. | |
111 | These are all extern'd in termhooks.h */ | |
112 | ||
dfcf069d AS |
113 | void (*cursor_to_hook) P_ ((int, int)); |
114 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
115 | void (*clear_to_end_hook) P_ ((void)); |
116 | void (*clear_frame_hook) P_ ((void)); | |
117 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 118 | |
dfcf069d | 119 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 120 | |
a168702a | 121 | void (*change_line_highlight_hook) P_ ((int, int, int, int)); |
dfcf069d | 122 | void (*reassert_line_highlight_hook) P_ ((int, int)); |
08a24c47 | 123 | |
dfcf069d | 124 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 125 | |
dfcf069d | 126 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 127 | |
dfcf069d AS |
128 | void (*reset_terminal_modes_hook) P_ ((void)); |
129 | void (*set_terminal_modes_hook) P_ ((void)); | |
130 | void (*update_begin_hook) P_ ((struct frame *)); | |
131 | void (*update_end_hook) P_ ((struct frame *)); | |
132 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
133 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
134 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
135 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 136 | |
dfcf069d | 137 | int (*read_socket_hook) P_ ((int, struct input_event *, int, int)); |
08a24c47 | 138 | |
dfcf069d | 139 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 140 | |
20a558dc | 141 | /* Return the current position of the mouse. |
371fbaeb JB |
142 | |
143 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
144 | Emacs frame. If it is set to zero, all the other arguments are | |
145 | garbage. | |
146 | ||
a3c87d4e JB |
147 | If the motion started in a scroll bar, set *bar_window to the |
148 | scroll bar's window, *part to the part the mouse is currently over, | |
149 | *x to the position of the mouse along the scroll bar, and *y to the | |
150 | overall length of the scroll bar. | |
371fbaeb JB |
151 | |
152 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
153 | row of the character cell the mouse is over. | |
154 | ||
155 | Set *time to the time the mouse was at the returned position. | |
156 | ||
157 | This should clear mouse_moved until the next motion | |
158 | event arrives. */ | |
d284f58f | 159 | |
dfcf069d | 160 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 161 | Lisp_Object *bar_window, |
a3c87d4e | 162 | enum scroll_bar_part *part, |
20a558dc JB |
163 | Lisp_Object *x, |
164 | Lisp_Object *y, | |
dfcf069d | 165 | unsigned long *time)); |
08a24c47 | 166 | |
ff11dfa1 | 167 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 168 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 169 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
170 | This hook tells the window system code to re-decide where to put |
171 | the highlight. */ | |
d284f58f | 172 | |
dfcf069d | 173 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 174 | |
dbc4e1c1 JB |
175 | /* If we're displaying frames using a window system that can stack |
176 | frames on top of each other, this hook allows you to bring a frame | |
177 | to the front, or bury it behind all the other windows. If this | |
178 | hook is zero, that means the device we're displaying on doesn't | |
179 | support overlapping frames, so there's no need to raise or lower | |
180 | anything. | |
181 | ||
182 | If RAISE is non-zero, F is brought to the front, before all other | |
183 | windows. If RAISE is zero, F is sent to the back, behind all other | |
184 | windows. */ | |
d284f58f | 185 | |
dfcf069d | 186 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 187 | |
a3c87d4e | 188 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
189 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
190 | indicate that we are displaying PORTION characters out of a total | |
191 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 192 | have a scroll bar, create one for it. */ |
a168702a | 193 | |
a3c87d4e | 194 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
195 | P_ ((struct window *window, |
196 | int portion, int whole, int position)); | |
20a558dc | 197 | |
371fbaeb | 198 | |
20a558dc | 199 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 200 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
201 | are going to be deleted, because keeping track of when windows go |
202 | away is a real pain - can you say set-window-configuration? | |
203 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 204 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 205 | fiery pit when we actually redisplay their window. */ |
20a558dc | 206 | |
a3c87d4e JB |
207 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
208 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
a168702a | 209 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 210 | |
371fbaeb | 211 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
212 | redisplayed, even if it is not displaying scroll bars at the moment; |
213 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
214 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
215 | |
216 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 217 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 218 | currently displaying them. */ |
d284f58f | 219 | |
dfcf069d | 220 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 221 | |
a3c87d4e JB |
222 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
223 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
d284f58f | 224 | |
dfcf069d | 225 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 226 | |
a3c87d4e JB |
227 | /* Remove all scroll bars on FRAME that haven't been saved since the |
228 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 229 | |
371fbaeb | 230 | This should be applied to each frame after each time its window |
a3c87d4e JB |
231 | tree is redisplayed, even if it is not displaying scroll bars at the |
232 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
233 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
234 | |
235 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 236 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 237 | currently displaying them. */ |
d284f58f | 238 | |
dfcf069d | 239 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 240 | |
a168702a GM |
241 | /* Hook to call in estimate_mode_line_height, if any. */ |
242 | ||
243 | int (* estimate_mode_line_height_hook) P_ ((struct frame *f, enum face_id)); | |
244 | ||
20a558dc | 245 | |
08a24c47 JB |
246 | /* Strings, numbers and flags taken from the termcap entry. */ |
247 | ||
a4decb7f | 248 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
249 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
250 | char *TS_bell; /* "bl" */ | |
251 | char *TS_clr_to_bottom; /* "cd" */ | |
252 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 253 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
254 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
255 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
256 | lines above scroll region, lines below it, | |
257 | total lines again) */ | |
258 | char *TS_del_char; /* "dc" */ | |
259 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
260 | char *TS_del_line; /* "dl" */ | |
261 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
262 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
263 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
264 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
265 | char *TS_ins_char; /* "ic" */ | |
266 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
267 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
268 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
269 | char *TS_end_keypad_mode; /* "ke" */ | |
270 | char *TS_keypad_mode; /* "ks" */ | |
271 | char *TS_pad_char; /* "pc", char to use as padding */ | |
272 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
273 | and character to be repeated) */ | |
274 | char *TS_end_standout_mode; /* "se" */ | |
275 | char *TS_fwd_scroll; /* "sf" */ | |
276 | char *TS_standout_mode; /* "so" */ | |
277 | char *TS_rev_scroll; /* "sr" */ | |
278 | char *TS_end_termcap_modes; /* "te" */ | |
279 | char *TS_termcap_modes; /* "ti" */ | |
280 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
281 | char *TS_cursor_normal; /* "ve" */ |
282 | char *TS_cursor_visible; /* "vs" */ | |
283 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
284 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
285 | each as vpos and hpos) */ | |
286 | ||
4e6ba4a4 GM |
287 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
288 | present. */ | |
289 | ||
290 | static int TN_no_color_video; | |
291 | ||
292 | /* Meaning of bits in no_color_video. Each bit set means that the | |
293 | corresponding attribute cannot be combined with colors. */ | |
294 | ||
295 | enum no_color_bit | |
296 | { | |
297 | NC_STANDOUT = 1 << 0, | |
298 | NC_UNDERLINE = 1 << 1, | |
299 | NC_REVERSE = 1 << 2, | |
300 | NC_BLINK = 1 << 3, | |
301 | NC_DIM = 1 << 4, | |
302 | NC_BOLD = 1 << 5, | |
303 | NC_INVIS = 1 << 6, | |
304 | NC_PROTECT = 1 << 7, | |
305 | NC_ALT_CHARSET = 1 << 8 | |
306 | }; | |
307 | ||
a168702a GM |
308 | /* "md" -- turn on bold (extra bright mode). */ |
309 | ||
310 | char *TS_enter_bold_mode; | |
311 | ||
312 | /* "mh" -- turn on half-bright mode. */ | |
313 | ||
314 | char *TS_enter_dim_mode; | |
315 | ||
316 | /* "mb" -- enter blinking mode. */ | |
317 | ||
318 | char *TS_enter_blink_mode; | |
319 | ||
320 | /* "mr" -- enter reverse video mode. */ | |
321 | ||
322 | char *TS_enter_reverse_mode; | |
323 | ||
324 | /* "us"/"ue" -- start/end underlining. */ | |
325 | ||
326 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
327 | ||
328 | /* "ug" -- number of blanks left by underline. */ | |
329 | ||
330 | int TN_magic_cookie_glitch_ul; | |
331 | ||
332 | /* "as"/"ae" -- start/end alternate character set. Not really | |
333 | supported, yet. */ | |
334 | ||
335 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
336 | ||
337 | /* "me" -- switch appearances off. */ | |
338 | ||
339 | char *TS_exit_attribute_mode; | |
340 | ||
341 | /* "Co" -- number of colors. */ | |
342 | ||
343 | int TN_max_colors; | |
344 | ||
345 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
346 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
347 | ||
348 | int TN_max_pairs; | |
349 | ||
350 | /* "op" -- SVr4 set default pair to its original value. */ | |
351 | ||
352 | char *TS_orig_pair; | |
353 | ||
354 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
355 | 1 param, the color index. */ | |
356 | ||
357 | char *TS_set_foreground, *TS_set_background; | |
358 | ||
08a24c47 JB |
359 | int TF_hazeltine; /* termcap hz flag. */ |
360 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
361 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
362 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
363 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
364 | int TF_teleray; /* termcap xt flag: many weird consequences. |
365 | For t1061. */ | |
366 | ||
367 | int TF_xs; /* Nonzero for "xs". If set together with | |
368 | TN_standout_width == 0, it means don't bother | |
369 | to write any end-standout cookies. */ | |
370 | ||
371 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
372 | markers */ | |
373 | ||
374 | static int RPov; /* # chars to start a TS_repeat */ | |
375 | ||
376 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
377 | ||
378 | static int se_is_so; /* 1 if same string both enters and leaves | |
379 | standout mode */ | |
380 | ||
381 | /* internal state */ | |
382 | ||
8dd0c7cb | 383 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 384 | |
8dd0c7cb | 385 | int max_frame_width; |
a168702a | 386 | |
8dd0c7cb | 387 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 388 | |
8dd0c7cb RS |
389 | int max_frame_height; |
390 | ||
08a24c47 JB |
391 | /* Number of chars of space used for standout marker at beginning of line, |
392 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 393 | The length of these vectors is max_frame_height. |
08a24c47 JB |
394 | |
395 | Used IFF TN_standout_width >= 0. */ | |
396 | ||
397 | static char *chars_wasted; | |
398 | static char *copybuf; | |
399 | ||
400 | /* nonzero means supposed to write text in standout mode. */ | |
a168702a | 401 | |
08a24c47 JB |
402 | int standout_requested; |
403 | ||
404 | int insert_mode; /* Nonzero when in insert mode. */ | |
405 | int standout_mode; /* Nonzero when in standout mode. */ | |
406 | ||
407 | /* Size of window specified by higher levels. | |
ff11dfa1 | 408 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
409 | which can participate in insert-line/delete-line operations. |
410 | ||
ff11dfa1 | 411 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
412 | lines from those operations. */ |
413 | ||
414 | int specified_window; | |
415 | ||
ff11dfa1 | 416 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
417 | (Direct output does not count). */ |
418 | ||
ff11dfa1 | 419 | FRAME_PTR updating_frame; |
08a24c47 | 420 | |
07c57952 | 421 | /* Provided for lisp packages. */ |
a168702a | 422 | |
07c57952 KH |
423 | static int system_uses_terminfo; |
424 | ||
d284f58f GM |
425 | /* Flag used in tty_show/hide_cursor. */ |
426 | ||
427 | static int tty_cursor_hidden; | |
428 | ||
08a24c47 | 429 | char *tparam (); |
e4bfb3b6 RS |
430 | |
431 | extern char *tgetstr (); | |
08a24c47 | 432 | \f |
cb28b9c2 | 433 | |
1a89b7c6 AI |
434 | #ifdef WINDOWSNT |
435 | /* We aren't X windows, but we aren't termcap either. This makes me | |
436 | uncertain as to what value to use for frame.output_method. For | |
437 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
438 | output hooks get called instead of the termcap functions. Probably | |
439 | the best long-term solution is to define an output_windows_nt... */ | |
440 | ||
441 | #undef FRAME_TERMCAP_P | |
442 | #define FRAME_TERMCAP_P(_f_) 0 | |
443 | #endif /* WINDOWSNT */ | |
444 | ||
dfcf069d | 445 | void |
08a24c47 JB |
446 | ring_bell () |
447 | { | |
d284f58f | 448 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
449 | { |
450 | Lisp_Object function; | |
451 | ||
452 | /* Temporarily set the global variable to nil | |
453 | so that if we get an error, it stays nil | |
454 | and we don't call it over and over. | |
455 | ||
456 | We don't specbind it, because that would carefully | |
457 | restore the bad value if there's an error | |
458 | and make the loop of errors happen anyway. */ | |
d284f58f | 459 | |
c291d9ef RS |
460 | function = Vring_bell_function; |
461 | Vring_bell_function = Qnil; | |
462 | ||
463 | call0 (function); | |
464 | ||
465 | Vring_bell_function = function; | |
08a24c47 | 466 | } |
d284f58f GM |
467 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
468 | (*ring_bell_hook) (); | |
469 | else | |
470 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
471 | } |
472 | ||
dfcf069d | 473 | void |
08a24c47 JB |
474 | set_terminal_modes () |
475 | { | |
d284f58f | 476 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 477 | { |
d284f58f GM |
478 | OUTPUT_IF (TS_termcap_modes); |
479 | OUTPUT_IF (TS_cursor_visible); | |
480 | OUTPUT_IF (TS_keypad_mode); | |
481 | losecursor (); | |
08a24c47 | 482 | } |
d284f58f GM |
483 | else |
484 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
485 | } |
486 | ||
dfcf069d | 487 | void |
08a24c47 JB |
488 | reset_terminal_modes () |
489 | { | |
d284f58f | 490 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 491 | { |
d284f58f GM |
492 | if (TN_standout_width < 0) |
493 | turn_off_highlight (); | |
494 | turn_off_insert (); | |
495 | OUTPUT_IF (TS_end_keypad_mode); | |
496 | OUTPUT_IF (TS_cursor_normal); | |
497 | OUTPUT_IF (TS_end_termcap_modes); | |
498 | OUTPUT_IF (TS_orig_pair); | |
499 | /* Output raw CR so kernel can track the cursor hpos. */ | |
500 | /* But on magic-cookie terminals this can erase an end-standout | |
501 | marker and cause the rest of the frame to be in standout, so | |
502 | move down first. */ | |
503 | if (TN_standout_width >= 0) | |
504 | cmputc ('\n'); | |
505 | cmputc ('\r'); | |
08a24c47 | 506 | } |
d284f58f GM |
507 | else if (reset_terminal_modes_hook) |
508 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
509 | } |
510 | ||
dfcf069d | 511 | void |
ff11dfa1 | 512 | update_begin (f) |
d284f58f | 513 | struct frame *f; |
08a24c47 | 514 | { |
ff11dfa1 | 515 | updating_frame = f; |
d284f58f GM |
516 | if (!FRAME_TERMCAP_P (f)) |
517 | update_begin_hook (f); | |
08a24c47 JB |
518 | } |
519 | ||
dfcf069d | 520 | void |
ff11dfa1 | 521 | update_end (f) |
d284f58f | 522 | struct frame *f; |
08a24c47 | 523 | { |
d284f58f | 524 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 525 | { |
d284f58f GM |
526 | if (!XWINDOW (selected_window)->cursor_off_p) |
527 | tty_show_cursor (); | |
528 | turn_off_insert (); | |
529 | background_highlight (); | |
530 | standout_requested = 0; | |
08a24c47 | 531 | } |
d284f58f GM |
532 | else |
533 | update_end_hook (f); | |
a168702a | 534 | |
d284f58f | 535 | updating_frame = NULL; |
08a24c47 JB |
536 | } |
537 | ||
dfcf069d | 538 | void |
08a24c47 JB |
539 | set_terminal_window (size) |
540 | int size; | |
541 | { | |
d284f58f | 542 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 543 | { |
d284f58f GM |
544 | specified_window = size ? size : FRAME_HEIGHT (updating_frame); |
545 | if (scroll_region_ok) | |
546 | set_scroll_region (0, specified_window); | |
08a24c47 | 547 | } |
d284f58f GM |
548 | else |
549 | set_terminal_window_hook (size); | |
08a24c47 JB |
550 | } |
551 | ||
dfcf069d | 552 | void |
08a24c47 JB |
553 | set_scroll_region (start, stop) |
554 | int start, stop; | |
555 | { | |
556 | char *buf; | |
e52f4e08 GM |
557 | struct frame *sf = XFRAME (selected_frame); |
558 | ||
08a24c47 | 559 | if (TS_set_scroll_region) |
d284f58f | 560 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 561 | else if (TS_set_scroll_region_1) |
d284f58f GM |
562 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
563 | FRAME_HEIGHT (sf), start, | |
564 | FRAME_HEIGHT (sf) - stop, | |
565 | FRAME_HEIGHT (sf)); | |
08a24c47 | 566 | else |
d284f58f GM |
567 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (sf)); |
568 | ||
08a24c47 | 569 | OUTPUT (buf); |
9ac0d9e0 | 570 | xfree (buf); |
08a24c47 JB |
571 | losecursor (); |
572 | } | |
d284f58f | 573 | |
08a24c47 | 574 | \f |
d284f58f | 575 | static void |
08a24c47 JB |
576 | turn_on_insert () |
577 | { | |
578 | if (!insert_mode) | |
579 | OUTPUT (TS_insert_mode); | |
580 | insert_mode = 1; | |
581 | } | |
582 | ||
dfcf069d | 583 | void |
08a24c47 JB |
584 | turn_off_insert () |
585 | { | |
586 | if (insert_mode) | |
587 | OUTPUT (TS_end_insert_mode); | |
588 | insert_mode = 0; | |
589 | } | |
590 | \f | |
591 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
592 | In these terminals, output is affected by the value of standout | |
593 | mode when the output is written. | |
594 | ||
595 | These functions are called on all terminals, but do nothing | |
596 | on terminals whose standout mode does not work that way. */ | |
597 | ||
dfcf069d | 598 | void |
08a24c47 JB |
599 | turn_off_highlight () |
600 | { | |
601 | if (TN_standout_width < 0) | |
602 | { | |
603 | if (standout_mode) | |
604 | OUTPUT_IF (TS_end_standout_mode); | |
605 | standout_mode = 0; | |
606 | } | |
607 | } | |
608 | ||
d284f58f | 609 | static void |
08a24c47 JB |
610 | turn_on_highlight () |
611 | { | |
612 | if (TN_standout_width < 0) | |
613 | { | |
614 | if (!standout_mode) | |
615 | OUTPUT_IF (TS_standout_mode); | |
616 | standout_mode = 1; | |
617 | } | |
618 | } | |
619 | ||
86a7d192 GM |
620 | static void |
621 | toggle_highlight () | |
622 | { | |
623 | if (standout_mode) | |
624 | turn_off_highlight (); | |
625 | else | |
626 | turn_on_highlight (); | |
627 | } | |
628 | ||
a168702a GM |
629 | |
630 | /* Make cursor invisible. */ | |
631 | ||
632 | static void | |
633 | tty_hide_cursor () | |
634 | { | |
d284f58f GM |
635 | if (tty_cursor_hidden == 0) |
636 | { | |
637 | tty_cursor_hidden = 1; | |
638 | OUTPUT_IF (TS_cursor_invisible); | |
639 | } | |
a168702a GM |
640 | } |
641 | ||
642 | ||
643 | /* Ensure that cursor is visible. */ | |
644 | ||
645 | static void | |
646 | tty_show_cursor () | |
647 | { | |
d284f58f GM |
648 | if (tty_cursor_hidden) |
649 | { | |
650 | tty_cursor_hidden = 0; | |
651 | OUTPUT_IF (TS_cursor_normal); | |
652 | OUTPUT_IF (TS_cursor_visible); | |
653 | } | |
a168702a GM |
654 | } |
655 | ||
656 | ||
08a24c47 JB |
657 | /* Set standout mode to the state it should be in for |
658 | empty space inside windows. What this is, | |
659 | depends on the user option inverse-video. */ | |
660 | ||
dfcf069d | 661 | void |
08a24c47 JB |
662 | background_highlight () |
663 | { | |
664 | if (TN_standout_width >= 0) | |
665 | return; | |
666 | if (inverse_video) | |
667 | turn_on_highlight (); | |
668 | else | |
669 | turn_off_highlight (); | |
670 | } | |
671 | ||
672 | /* Set standout mode to the mode specified for the text to be output. */ | |
673 | ||
dfcf069d | 674 | static void |
08a24c47 JB |
675 | highlight_if_desired () |
676 | { | |
677 | if (TN_standout_width >= 0) | |
678 | return; | |
679 | if (!inverse_video == !standout_requested) | |
680 | turn_off_highlight (); | |
681 | else | |
682 | turn_on_highlight (); | |
683 | } | |
684 | \f | |
685 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
686 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 687 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
688 | that the marker occupies in memory. Standout runs from the marker |
689 | to the end of the line on some terminals, or to the next | |
690 | turn-off-standout marker (TS_end_standout_mode) string | |
691 | on other terminals. */ | |
692 | ||
693 | /* Write a standout marker or end-standout marker at the front of the line | |
694 | at vertical position vpos. */ | |
695 | ||
d284f58f | 696 | static void |
08a24c47 JB |
697 | write_standout_marker (flag, vpos) |
698 | int flag, vpos; | |
699 | { | |
d284f58f GM |
700 | if (flag |
701 | || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
702 | && !(TF_xs && TN_standout_width == 0))) | |
08a24c47 JB |
703 | { |
704 | cmgoto (vpos, 0); | |
705 | cmplus (TN_standout_width); | |
706 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
707 | chars_wasted[curY] = TN_standout_width | 0100; | |
708 | } | |
709 | } | |
710 | \f | |
711 | /* External interface to control of standout mode. | |
712 | Call this when about to modify line at position VPOS | |
713 | and not change whether it is highlighted. */ | |
714 | ||
dfcf069d | 715 | void |
08a24c47 JB |
716 | reassert_line_highlight (highlight, vpos) |
717 | int highlight; | |
718 | int vpos; | |
719 | { | |
e52f4e08 GM |
720 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
721 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
722 | { |
723 | (*reassert_line_highlight_hook) (highlight, vpos); | |
724 | return; | |
725 | } | |
726 | if (TN_standout_width < 0) | |
727 | /* Handle terminals where standout takes affect at output time */ | |
728 | standout_requested = highlight; | |
a168702a | 729 | else if (chars_wasted && chars_wasted[vpos] == 0) |
08a24c47 JB |
730 | /* For terminals with standout markers, write one on this line |
731 | if there isn't one already. */ | |
25ffac29 | 732 | write_standout_marker (inverse_video ? !highlight : highlight, vpos); |
08a24c47 JB |
733 | } |
734 | ||
735 | /* Call this when about to modify line at position VPOS | |
736 | and change whether it is highlighted. */ | |
737 | ||
dfcf069d | 738 | void |
a168702a GM |
739 | change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
740 | int new_highlight, vpos, y, first_unused_hpos; | |
08a24c47 JB |
741 | { |
742 | standout_requested = new_highlight; | |
1820044b | 743 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 744 | { |
a168702a | 745 | (*change_line_highlight_hook) (new_highlight, vpos, y, first_unused_hpos); |
08a24c47 JB |
746 | return; |
747 | } | |
748 | ||
749 | cursor_to (vpos, 0); | |
750 | ||
751 | if (TN_standout_width < 0) | |
752 | background_highlight (); | |
753 | /* If line starts with a marker, delete the marker */ | |
754 | else if (TS_clr_line && chars_wasted[curY]) | |
755 | { | |
756 | turn_off_insert (); | |
757 | /* On Teleray, make sure to erase the SO marker. */ | |
758 | if (TF_teleray) | |
759 | { | |
e52f4e08 | 760 | cmgoto (curY - 1, FRAME_WIDTH (XFRAME (selected_frame)) - 4); |
08a24c47 JB |
761 | OUTPUT ("\033S"); |
762 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
763 | curX = 0; | |
764 | } | |
765 | else | |
766 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
767 | } | |
768 | clear_end_of_line_raw (first_unused_hpos); | |
769 | reassert_line_highlight (new_highlight, curY); | |
770 | } | |
771 | \f | |
772 | ||
a168702a GM |
773 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
774 | frame-relative coordinates. */ | |
08a24c47 | 775 | |
dfcf069d | 776 | void |
a168702a GM |
777 | cursor_to (vpos, hpos) |
778 | int vpos, hpos; | |
08a24c47 | 779 | { |
e52f4e08 GM |
780 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
781 | ||
782 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) | |
08a24c47 | 783 | { |
a168702a | 784 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
785 | return; |
786 | } | |
787 | ||
36cae867 KH |
788 | /* Detect the case where we are called from reset_sys_modes |
789 | and the costs have never been calculated. Do nothing. */ | |
790 | if (chars_wasted == 0) | |
791 | return; | |
792 | ||
a168702a GM |
793 | hpos += chars_wasted[vpos] & 077; |
794 | if (curY == vpos && curX == hpos) | |
08a24c47 JB |
795 | return; |
796 | if (!TF_standout_motion) | |
797 | background_highlight (); | |
798 | if (!TF_insmode_motion) | |
799 | turn_off_insert (); | |
a168702a | 800 | cmgoto (vpos, hpos); |
08a24c47 JB |
801 | } |
802 | ||
803 | /* Similar but don't take any account of the wasted characters. */ | |
804 | ||
dfcf069d | 805 | void |
08a24c47 | 806 | raw_cursor_to (row, col) |
4746118a | 807 | int row, col; |
08a24c47 | 808 | { |
e52f4e08 GM |
809 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
810 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
811 | { |
812 | (*raw_cursor_to_hook) (row, col); | |
813 | return; | |
814 | } | |
815 | if (curY == row && curX == col) | |
816 | return; | |
817 | if (!TF_standout_motion) | |
818 | background_highlight (); | |
819 | if (!TF_insmode_motion) | |
820 | turn_off_insert (); | |
821 | cmgoto (row, col); | |
822 | } | |
823 | \f | |
824 | /* Erase operations */ | |
825 | ||
ff11dfa1 | 826 | /* clear from cursor to end of frame */ |
dfcf069d | 827 | void |
08a24c47 JB |
828 | clear_to_end () |
829 | { | |
830 | register int i; | |
831 | ||
759d9005 | 832 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
833 | { |
834 | (*clear_to_end_hook) (); | |
835 | return; | |
836 | } | |
837 | if (TS_clr_to_bottom) | |
838 | { | |
839 | background_highlight (); | |
840 | OUTPUT (TS_clr_to_bottom); | |
e52f4e08 GM |
841 | bzero (chars_wasted + curY, |
842 | FRAME_HEIGHT (XFRAME (selected_frame)) - curY); | |
08a24c47 JB |
843 | } |
844 | else | |
845 | { | |
e52f4e08 | 846 | for (i = curY; i < FRAME_HEIGHT (XFRAME (selected_frame)); i++) |
08a24c47 JB |
847 | { |
848 | cursor_to (i, 0); | |
e52f4e08 | 849 | clear_end_of_line_raw (FRAME_WIDTH (XFRAME (selected_frame))); |
08a24c47 JB |
850 | } |
851 | } | |
852 | } | |
853 | ||
ff11dfa1 | 854 | /* Clear entire frame */ |
08a24c47 | 855 | |
dfcf069d | 856 | void |
ff11dfa1 | 857 | clear_frame () |
08a24c47 | 858 | { |
e52f4e08 GM |
859 | struct frame *sf = XFRAME (selected_frame); |
860 | ||
ff11dfa1 | 861 | if (clear_frame_hook |
e52f4e08 | 862 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 863 | { |
ff11dfa1 | 864 | (*clear_frame_hook) (); |
08a24c47 JB |
865 | return; |
866 | } | |
ff11dfa1 | 867 | if (TS_clr_frame) |
08a24c47 JB |
868 | { |
869 | background_highlight (); | |
ff11dfa1 | 870 | OUTPUT (TS_clr_frame); |
e52f4e08 | 871 | bzero (chars_wasted, FRAME_HEIGHT (sf)); |
08a24c47 JB |
872 | cmat (0, 0); |
873 | } | |
874 | else | |
875 | { | |
876 | cursor_to (0, 0); | |
877 | clear_to_end (); | |
878 | } | |
879 | } | |
880 | ||
881 | /* Clear to end of line, but do not clear any standout marker. | |
882 | Assumes that the cursor is positioned at a character of real text, | |
883 | which implies it cannot be before a standout marker | |
884 | unless the marker has zero width. | |
885 | ||
886 | Note that the cursor may be moved. */ | |
887 | ||
dfcf069d | 888 | void |
08a24c47 JB |
889 | clear_end_of_line (first_unused_hpos) |
890 | int first_unused_hpos; | |
891 | { | |
e52f4e08 | 892 | if (FRAME_TERMCAP_P (XFRAME (selected_frame)) |
36cae867 | 893 | && chars_wasted != 0 |
08a24c47 | 894 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a168702a | 895 | write_glyphs (&space_glyph, 1); |
08a24c47 JB |
896 | clear_end_of_line_raw (first_unused_hpos); |
897 | } | |
898 | ||
899 | /* Clear from cursor to end of line. | |
900 | Assume that the line is already clear starting at column first_unused_hpos. | |
901 | If the cursor is at a standout marker, erase the marker. | |
902 | ||
903 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
904 | ||
dfcf069d | 905 | void |
08a24c47 JB |
906 | clear_end_of_line_raw (first_unused_hpos) |
907 | int first_unused_hpos; | |
908 | { | |
909 | register int i; | |
910 | ||
911 | if (clear_end_of_line_hook | |
1820044b | 912 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 913 | ? updating_frame |
e52f4e08 | 914 | : XFRAME (selected_frame)))) |
08a24c47 JB |
915 | { |
916 | (*clear_end_of_line_hook) (first_unused_hpos); | |
917 | return; | |
918 | } | |
919 | ||
36cae867 KH |
920 | /* Detect the case where we are called from reset_sys_modes |
921 | and the costs have never been calculated. Do nothing. */ | |
922 | if (chars_wasted == 0) | |
923 | return; | |
924 | ||
08a24c47 JB |
925 | first_unused_hpos += chars_wasted[curY] & 077; |
926 | if (curX >= first_unused_hpos) | |
927 | return; | |
928 | /* Notice if we are erasing a magic cookie */ | |
929 | if (curX == 0) | |
930 | chars_wasted[curY] = 0; | |
931 | background_highlight (); | |
932 | if (TS_clr_line) | |
933 | { | |
934 | OUTPUT1 (TS_clr_line); | |
935 | } | |
936 | else | |
937 | { /* have to do it the hard way */ | |
e52f4e08 | 938 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
939 | turn_off_insert (); |
940 | ||
a168702a | 941 | /* Do not write in last row last col with Auto-wrap on. */ |
e52f4e08 GM |
942 | if (AutoWrap && curY == FRAME_HEIGHT (sf) - 1 |
943 | && first_unused_hpos == FRAME_WIDTH (sf)) | |
08a24c47 JB |
944 | first_unused_hpos--; |
945 | ||
946 | for (i = curX; i < first_unused_hpos; i++) | |
947 | { | |
948 | if (termscript) | |
949 | fputc (' ', termscript); | |
950 | putchar (' '); | |
951 | } | |
952 | cmplus (first_unused_hpos - curX); | |
953 | } | |
954 | } | |
955 | \f | |
a4decb7f KH |
956 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
957 | store them at DST. Do not write more than DST_LEN bytes. That may | |
958 | require stopping before all SRC_LEN input glyphs have been | |
959 | converted. | |
960 | ||
961 | We store the number of glyphs actually converted in *CONSUMED. The | |
962 | return value is the number of bytes store in DST. */ | |
963 | ||
964 | int | |
965 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 966 | struct glyph *src; |
a4decb7f KH |
967 | int src_len; |
968 | unsigned char *dst; | |
969 | int dst_len, *consumed; | |
970 | { | |
a168702a | 971 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 972 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 | 973 | register GLYPH g; |
c7cba11d | 974 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf; |
6589fd67 | 975 | int len; |
a4decb7f KH |
976 | register int tlen = GLYPH_TABLE_LENGTH; |
977 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 978 | int result; |
6589fd67 KH |
979 | struct coding_system *coding; |
980 | ||
1ac0700a KH |
981 | /* If terminal_coding does any conversion, use it, otherwise use |
982 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
983 | because it always return 1 if the member src_multibyte is 1. */ | |
984 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
985 | ? &terminal_coding |
986 | : &safe_terminal_coding); | |
a4decb7f KH |
987 | |
988 | while (src < src_end) | |
989 | { | |
a4decb7f | 990 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 991 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 992 | { |
32de38e4 KH |
993 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
994 | ||
995 | if (g < 0 || g >= tlen) | |
085d5908 | 996 | { |
32de38e4 KH |
997 | /* This glyph doesn't has an entry in Vglyph_table. */ |
998 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
999 | { | |
1000 | len = 1; | |
1001 | buf = " "; | |
f2ba40be | 1002 | coding->src_multibyte = 0; |
32de38e4 KH |
1003 | } |
1004 | else | |
1005 | { | |
1006 | len = CHAR_STRING (src->u.ch, workbuf); | |
1007 | buf = workbuf; | |
f2ba40be | 1008 | coding->src_multibyte = 1; |
32de38e4 | 1009 | } |
085d5908 | 1010 | } |
32de38e4 | 1011 | else |
a4decb7f | 1012 | { |
32de38e4 | 1013 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
1014 | so process any alias before testing for simpleness. */ |
1015 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
1016 | |
1017 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
1018 | { | |
c989b7be KH |
1019 | /* We set the multi-byte form of a character in G |
1020 | (that should be an ASCII character) at | |
1021 | WORKBUF. */ | |
1022 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
1023 | len = 1; | |
32de38e4 | 1024 | buf = workbuf; |
f2ba40be | 1025 | coding->src_multibyte = 0; |
32de38e4 KH |
1026 | } |
1027 | else | |
1028 | { | |
1029 | /* We have a string in Vglyph_table. */ | |
1030 | len = GLYPH_LENGTH (tbase, g); | |
1031 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 1032 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 1033 | } |
171d7f24 | 1034 | } |
a4decb7f | 1035 | |
f3ac545f | 1036 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 1037 | len -= coding->consumed; |
6589fd67 | 1038 | dst += coding->produced; |
f3ac545f KH |
1039 | if (result == CODING_FINISH_INSUFFICIENT_DST |
1040 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
1041 | && len > dst_end - dst)) | |
1042 | /* The remaining output buffer is too short. We must | |
1043 | break the loop here without increasing SRC so that the | |
1044 | next call of this function starts from the same glyph. */ | |
1045 | break; | |
1046 | ||
c42869c4 KH |
1047 | if (len > 0) |
1048 | { | |
f3ac545f KH |
1049 | /* This is the case that a code of the range 0200..0237 |
1050 | exists in buf. We must just write out such a code. */ | |
1051 | buf += coding->consumed; | |
1052 | while (len--) | |
1053 | *dst++ = *buf++; | |
c42869c4 | 1054 | } |
a4decb7f KH |
1055 | } |
1056 | src++; | |
1057 | } | |
a168702a | 1058 | |
a4decb7f KH |
1059 | *consumed = src - src_start; |
1060 | return (dst - dst_start); | |
1061 | } | |
1062 | ||
08a24c47 | 1063 | |
dfcf069d | 1064 | void |
08a24c47 | 1065 | write_glyphs (string, len) |
a168702a | 1066 | register struct glyph *string; |
08a24c47 JB |
1067 | register int len; |
1068 | { | |
a4decb7f | 1069 | int produced, consumed; |
e52f4e08 GM |
1070 | struct frame *sf = XFRAME (selected_frame); |
1071 | struct frame *f = updating_frame ? updating_frame : sf; | |
d2fdb076 KH |
1072 | unsigned char conversion_buffer[1024]; |
1073 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 JB |
1074 | |
1075 | if (write_glyphs_hook | |
a168702a | 1076 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
1077 | { |
1078 | (*write_glyphs_hook) (string, len); | |
1079 | return; | |
1080 | } | |
1081 | ||
08a24c47 | 1082 | turn_off_insert (); |
d284f58f | 1083 | tty_hide_cursor (); |
08a24c47 | 1084 | |
a168702a | 1085 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 1086 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
1087 | |
1088 | if (AutoWrap | |
e52f4e08 GM |
1089 | && curY + 1 == FRAME_HEIGHT (sf) |
1090 | && (curX + len - (chars_wasted[curY] & 077) == FRAME_WIDTH (sf))) | |
08a24c47 | 1091 | len --; |
a4decb7f KH |
1092 | if (len <= 0) |
1093 | return; | |
08a24c47 JB |
1094 | |
1095 | cmplus (len); | |
a168702a | 1096 | |
6589fd67 KH |
1097 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
1098 | the tail. */ | |
1099 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
a168702a | 1100 | |
a4decb7f | 1101 | while (len > 0) |
08a24c47 | 1102 | { |
a168702a | 1103 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 1104 | int face_id = string->face_id; |
a168702a GM |
1105 | int n; |
1106 | ||
1107 | for (n = 1; n < len; ++n) | |
32de38e4 | 1108 | if (string[n].face_id != face_id) |
a168702a GM |
1109 | break; |
1110 | ||
1111 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 1112 | highlight_if_desired (); |
a168702a GM |
1113 | turn_on_face (f, face_id); |
1114 | ||
1115 | while (n > 0) | |
08a24c47 | 1116 | { |
d2fdb076 KH |
1117 | /* We use a fixed size (1024 bytes) of conversion buffer. |
1118 | Usually it is sufficient, but if not, we just repeat the | |
1119 | loop. */ | |
a168702a GM |
1120 | produced = encode_terminal_code (string, conversion_buffer, |
1121 | n, conversion_buffer_size, | |
1122 | &consumed); | |
1123 | if (produced > 0) | |
1124 | { | |
1125 | fwrite (conversion_buffer, 1, produced, stdout); | |
1126 | if (ferror (stdout)) | |
1127 | clearerr (stdout); | |
1128 | if (termscript) | |
1129 | fwrite (conversion_buffer, 1, produced, termscript); | |
1130 | } | |
1131 | len -= consumed; | |
1132 | n -= consumed; | |
1133 | string += consumed; | |
08a24c47 | 1134 | } |
a168702a GM |
1135 | |
1136 | /* Turn appearance modes off. */ | |
1137 | turn_off_face (f, face_id); | |
65aa5e85 | 1138 | turn_off_highlight (); |
a4decb7f | 1139 | } |
a168702a | 1140 | |
a4decb7f | 1141 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 1142 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 1143 | { |
6589fd67 | 1144 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 1145 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
1146 | 0, conversion_buffer_size); |
1147 | if (terminal_coding.produced > 0) | |
df8bf431 | 1148 | { |
6589fd67 | 1149 | fwrite (conversion_buffer, 1, terminal_coding.produced, stdout); |
df8bf431 KH |
1150 | if (ferror (stdout)) |
1151 | clearerr (stdout); | |
1152 | if (termscript) | |
6589fd67 KH |
1153 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
1154 | termscript); | |
df8bf431 | 1155 | } |
08a24c47 | 1156 | } |
a168702a | 1157 | |
9a6b6f92 | 1158 | cmcheckmagic (); |
08a24c47 JB |
1159 | } |
1160 | ||
1161 | /* If start is zero, insert blanks instead of a string at start */ | |
1162 | ||
dfcf069d | 1163 | void |
08a24c47 | 1164 | insert_glyphs (start, len) |
a168702a | 1165 | register struct glyph *start; |
08a24c47 JB |
1166 | register int len; |
1167 | { | |
1168 | char *buf; | |
6bbd7a29 | 1169 | struct glyph *glyph = NULL; |
e52f4e08 | 1170 | struct frame *f, *sf; |
08a24c47 | 1171 | |
a4decb7f KH |
1172 | if (len <= 0) |
1173 | return; | |
1174 | ||
a168702a | 1175 | if (insert_glyphs_hook) |
08a24c47 JB |
1176 | { |
1177 | (*insert_glyphs_hook) (start, len); | |
1178 | return; | |
1179 | } | |
a168702a | 1180 | |
e52f4e08 GM |
1181 | sf = XFRAME (selected_frame); |
1182 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1183 | |
1184 | if (TS_ins_multi_chars) | |
1185 | { | |
1186 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1187 | OUTPUT1 (buf); | |
9ac0d9e0 | 1188 | xfree (buf); |
08a24c47 JB |
1189 | if (start) |
1190 | write_glyphs (start, len); | |
1191 | return; | |
1192 | } | |
1193 | ||
1194 | turn_on_insert (); | |
1195 | cmplus (len); | |
6589fd67 KH |
1196 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
1197 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 1198 | while (len-- > 0) |
08a24c47 | 1199 | { |
a4decb7f | 1200 | int produced, consumed; |
d2fdb076 KH |
1201 | unsigned char conversion_buffer[1024]; |
1202 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 1203 | |
08a24c47 JB |
1204 | OUTPUT1_IF (TS_ins_char); |
1205 | if (!start) | |
32de38e4 KH |
1206 | { |
1207 | conversion_buffer[0] = SPACEGLYPH; | |
1208 | produced = 1; | |
1209 | } | |
08a24c47 | 1210 | else |
08a24c47 | 1211 | { |
65aa5e85 | 1212 | highlight_if_desired (); |
32de38e4 | 1213 | turn_on_face (f, start->face_id); |
816be8b8 | 1214 | glyph = start; |
a168702a | 1215 | ++start; |
a4decb7f KH |
1216 | /* We must open sufficient space for a character which |
1217 | occupies more than one column. */ | |
a168702a | 1218 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1219 | { |
1220 | OUTPUT1_IF (TS_ins_char); | |
1221 | start++, len--; | |
1222 | } | |
a4decb7f | 1223 | |
32de38e4 KH |
1224 | if (len <= 0) |
1225 | /* This is the last glyph. */ | |
1226 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
1227 | ||
d2fdb076 KH |
1228 | /* The size of conversion buffer (1024 bytes) is surely |
1229 | sufficient for just one glyph. */ | |
816be8b8 | 1230 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
1231 | conversion_buffer_size, &consumed); |
1232 | } | |
a4decb7f | 1233 | |
a4decb7f | 1234 | if (produced > 0) |
08a24c47 | 1235 | { |
a4decb7f | 1236 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
1237 | if (ferror (stdout)) |
1238 | clearerr (stdout); | |
1239 | if (termscript) | |
a4decb7f | 1240 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
1241 | } |
1242 | ||
9a6b6f92 | 1243 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1244 | if (start) |
65aa5e85 GM |
1245 | { |
1246 | turn_off_face (f, glyph->face_id); | |
1247 | turn_off_highlight (); | |
1248 | } | |
9a6b6f92 | 1249 | } |
a168702a | 1250 | |
9a6b6f92 | 1251 | cmcheckmagic (); |
08a24c47 JB |
1252 | } |
1253 | ||
dfcf069d | 1254 | void |
08a24c47 JB |
1255 | delete_glyphs (n) |
1256 | register int n; | |
1257 | { | |
1258 | char *buf; | |
1259 | register int i; | |
1260 | ||
1820044b | 1261 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1262 | { |
1263 | (*delete_glyphs_hook) (n); | |
1264 | return; | |
1265 | } | |
1266 | ||
1267 | if (delete_in_insert_mode) | |
1268 | { | |
1269 | turn_on_insert (); | |
1270 | } | |
1271 | else | |
1272 | { | |
1273 | turn_off_insert (); | |
1274 | OUTPUT_IF (TS_delete_mode); | |
1275 | } | |
1276 | ||
1277 | if (TS_del_multi_chars) | |
1278 | { | |
1279 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1280 | OUTPUT1 (buf); | |
9ac0d9e0 | 1281 | xfree (buf); |
08a24c47 JB |
1282 | } |
1283 | else | |
1284 | for (i = 0; i < n; i++) | |
1285 | OUTPUT1 (TS_del_char); | |
1286 | if (!delete_in_insert_mode) | |
1287 | OUTPUT_IF (TS_end_delete_mode); | |
1288 | } | |
1289 | \f | |
1290 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1291 | ||
dfcf069d | 1292 | void |
08a24c47 JB |
1293 | ins_del_lines (vpos, n) |
1294 | int vpos, n; | |
1295 | { | |
1296 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1297 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1298 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1299 | struct frame *sf; |
08a24c47 JB |
1300 | |
1301 | register int i = n > 0 ? n : -n; | |
1302 | register char *buf; | |
1303 | ||
1820044b | 1304 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1305 | { |
1306 | (*ins_del_lines_hook) (vpos, n); | |
1307 | return; | |
1308 | } | |
1309 | ||
e52f4e08 GM |
1310 | sf = XFRAME (selected_frame); |
1311 | ||
08a24c47 JB |
1312 | /* If the lines below the insertion are being pushed |
1313 | into the end of the window, this is the same as clearing; | |
1314 | and we know the lines are already clear, since the matching | |
1315 | deletion has already been done. So can ignore this. */ | |
1316 | /* If the lines below the deletion are blank lines coming | |
1317 | out of the end of the window, don't bother, | |
1318 | as there will be a matching inslines later that will flush them. */ | |
1319 | if (scroll_region_ok && vpos + i >= specified_window) | |
1320 | return; | |
e52f4e08 | 1321 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (sf)) |
08a24c47 JB |
1322 | return; |
1323 | ||
1324 | if (multi) | |
1325 | { | |
1326 | raw_cursor_to (vpos, 0); | |
1327 | background_highlight (); | |
1328 | buf = tparam (multi, 0, 0, i); | |
1329 | OUTPUT (buf); | |
9ac0d9e0 | 1330 | xfree (buf); |
08a24c47 JB |
1331 | } |
1332 | else if (single) | |
1333 | { | |
1334 | raw_cursor_to (vpos, 0); | |
1335 | background_highlight (); | |
1336 | while (--i >= 0) | |
1337 | OUTPUT (single); | |
1338 | if (TF_teleray) | |
1339 | curX = 0; | |
1340 | } | |
1341 | else | |
1342 | { | |
1343 | set_scroll_region (vpos, specified_window); | |
1344 | if (n < 0) | |
1345 | raw_cursor_to (specified_window - 1, 0); | |
1346 | else | |
1347 | raw_cursor_to (vpos, 0); | |
1348 | background_highlight (); | |
1349 | while (--i >= 0) | |
1350 | OUTPUTL (scroll, specified_window - vpos); | |
1351 | set_scroll_region (0, specified_window); | |
1352 | } | |
1353 | ||
1354 | if (TN_standout_width >= 0) | |
1355 | { | |
dfcf069d | 1356 | register int lower_limit |
08a24c47 JB |
1357 | = (scroll_region_ok |
1358 | ? specified_window | |
e52f4e08 | 1359 | : FRAME_HEIGHT (sf)); |
08a24c47 JB |
1360 | |
1361 | if (n < 0) | |
1362 | { | |
1363 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1364 | lower_limit - vpos + n); | |
1365 | bzero (&chars_wasted[lower_limit + n], - n); | |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1370 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1371 | lower_limit - vpos - n); | |
1372 | bzero (&chars_wasted[vpos], n); | |
1373 | } | |
1374 | } | |
ff11dfa1 | 1375 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1376 | { |
e52f4e08 | 1377 | cursor_to (FRAME_HEIGHT (sf) + n, 0); |
08a24c47 JB |
1378 | clear_to_end (); |
1379 | } | |
1380 | } | |
1381 | \f | |
1382 | /* Compute cost of sending "str", in characters, | |
1383 | not counting any line-dependent padding. */ | |
1384 | ||
1385 | int | |
1386 | string_cost (str) | |
1387 | char *str; | |
1388 | { | |
1389 | cost = 0; | |
1390 | if (str) | |
1391 | tputs (str, 0, evalcost); | |
1392 | return cost; | |
1393 | } | |
1394 | ||
1395 | /* Compute cost of sending "str", in characters, | |
1396 | counting any line-dependent padding at one line. */ | |
1397 | ||
1398 | static int | |
1399 | string_cost_one_line (str) | |
1400 | char *str; | |
1401 | { | |
1402 | cost = 0; | |
1403 | if (str) | |
1404 | tputs (str, 1, evalcost); | |
1405 | return cost; | |
1406 | } | |
1407 | ||
1408 | /* Compute per line amount of line-dependent padding, | |
1409 | in tenths of characters. */ | |
1410 | ||
1411 | int | |
1412 | per_line_cost (str) | |
1413 | register char *str; | |
1414 | { | |
1415 | cost = 0; | |
1416 | if (str) | |
1417 | tputs (str, 0, evalcost); | |
1418 | cost = - cost; | |
1419 | if (str) | |
1420 | tputs (str, 10, evalcost); | |
1421 | return cost; | |
1422 | } | |
1423 | ||
1424 | #ifndef old | |
1425 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1426 | char_ins_del_cost[-n] is cost of deleting N characters. |
1427 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1428 | |
1429 | int *char_ins_del_vector; | |
1430 | ||
ff11dfa1 | 1431 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1432 | #endif |
1433 | ||
1434 | /* ARGSUSED */ | |
1435 | static void | |
ff11dfa1 JB |
1436 | calculate_ins_del_char_costs (frame) |
1437 | FRAME_PTR frame; | |
08a24c47 JB |
1438 | { |
1439 | int ins_startup_cost, del_startup_cost; | |
1440 | int ins_cost_per_char, del_cost_per_char; | |
1441 | register int i; | |
1442 | register int *p; | |
1443 | ||
1444 | if (TS_ins_multi_chars) | |
1445 | { | |
1446 | ins_cost_per_char = 0; | |
1447 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1448 | } | |
1449 | else if (TS_ins_char || TS_pad_inserted_char | |
1450 | || (TS_insert_mode && TS_end_insert_mode)) | |
1451 | { | |
1452 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1453 | + string_cost (TS_end_insert_mode))) / 100; | |
1454 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1455 | + string_cost_one_line (TS_pad_inserted_char)); | |
1456 | } | |
1457 | else | |
1458 | { | |
1459 | ins_startup_cost = 9999; | |
1460 | ins_cost_per_char = 0; | |
1461 | } | |
1462 | ||
1463 | if (TS_del_multi_chars) | |
1464 | { | |
1465 | del_cost_per_char = 0; | |
1466 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1467 | } | |
1468 | else if (TS_del_char) | |
1469 | { | |
1470 | del_startup_cost = (string_cost (TS_delete_mode) | |
1471 | + string_cost (TS_end_delete_mode)); | |
1472 | if (delete_in_insert_mode) | |
1473 | del_startup_cost /= 2; | |
1474 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1475 | } | |
1476 | else | |
1477 | { | |
1478 | del_startup_cost = 9999; | |
1479 | del_cost_per_char = 0; | |
1480 | } | |
1481 | ||
1482 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1483 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1484 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1485 | *--p = (del_startup_cost += del_cost_per_char); |
1486 | ||
1487 | /* Doing nothing is free */ | |
ff11dfa1 | 1488 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1489 | *p++ = 0; |
1490 | ||
1491 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1492 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1493 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1494 | } | |
1495 | ||
dfcf069d | 1496 | void |
ff11dfa1 JB |
1497 | calculate_costs (frame) |
1498 | FRAME_PTR frame; | |
08a24c47 | 1499 | { |
9f732a77 RS |
1500 | register char *f = (TS_set_scroll_region |
1501 | ? TS_set_scroll_region | |
1502 | : TS_set_scroll_region_1); | |
08a24c47 | 1503 | |
9f732a77 | 1504 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1505 | |
be7cd44f | 1506 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1507 | |
1508 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1509 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1510 | |
1511 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1512 | X turns off char_ins_del_ok. | |
1513 | ||
1514 | chars_wasted and copybuf are only used here in term.c in cases where | |
1515 | the term hook isn't called. */ | |
1516 | ||
8dd0c7cb RS |
1517 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1518 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1519 | ||
08a24c47 | 1520 | if (chars_wasted != 0) |
8dd0c7cb | 1521 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1522 | else |
8dd0c7cb | 1523 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1524 | |
1525 | if (copybuf != 0) | |
8dd0c7cb | 1526 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1527 | else |
8dd0c7cb | 1528 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1529 | |
1530 | if (char_ins_del_vector != 0) | |
1531 | char_ins_del_vector | |
1532 | = (int *) xrealloc (char_ins_del_vector, | |
1533 | (sizeof (int) | |
8dd0c7cb | 1534 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1535 | else |
1536 | char_ins_del_vector | |
1537 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1538 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1539 | |
8dd0c7cb RS |
1540 | bzero (chars_wasted, max_frame_height); |
1541 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1542 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1543 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1544 | |
ff11dfa1 JB |
1545 | if (f && (!TS_ins_line && !TS_del_line)) |
1546 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1547 | TS_rev_scroll, TS_ins_multi_lines, |
1548 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1549 | f, f, 1); |
08a24c47 | 1550 | else |
ff11dfa1 | 1551 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1552 | TS_ins_line, TS_ins_multi_lines, |
1553 | TS_del_line, TS_del_multi_lines, | |
1554 | 0, 0, 1); | |
1555 | ||
ff11dfa1 | 1556 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1557 | |
1558 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1559 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1560 | RPov = string_cost (TS_repeat); | |
1561 | else | |
ff11dfa1 | 1562 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1563 | |
1564 | cmcostinit (); /* set up cursor motion costs */ | |
1565 | } | |
1566 | \f | |
a796ac82 JB |
1567 | struct fkey_table { |
1568 | char *cap, *name; | |
1569 | }; | |
1570 | ||
01d8deb0 ER |
1571 | /* Termcap capability names that correspond directly to X keysyms. |
1572 | Some of these (marked "terminfo") aren't supplied by old-style | |
1573 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1574 | except we put the keypad keys first, so that if they clash with | |
1575 | other keys (as on the IBM PC keyboard) they get overridden. | |
1576 | */ | |
1577 | ||
a168702a GM |
1578 | static struct fkey_table keys[] = |
1579 | { | |
01d8deb0 ER |
1580 | "kh", "home", /* termcap */ |
1581 | "kl", "left", /* termcap */ | |
1582 | "ku", "up", /* termcap */ | |
1583 | "kr", "right", /* termcap */ | |
1584 | "kd", "down", /* termcap */ | |
1585 | "%8", "prior", /* terminfo */ | |
1586 | "%5", "next", /* terminfo */ | |
1587 | "@7", "end", /* terminfo */ | |
1588 | "@1", "begin", /* terminfo */ | |
1589 | "*6", "select", /* terminfo */ | |
1590 | "%9", "print", /* terminfo */ | |
1591 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1592 | /* | |
1593 | * "insert" --- see below | |
1594 | */ | |
1595 | "&8", "undo", /* terminfo */ | |
1596 | "%0", "redo", /* terminfo */ | |
1597 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1598 | "@0", "find", /* terminfo */ | |
1599 | "@2", "cancel", /* terminfo */ | |
1600 | "%1", "help", /* terminfo */ | |
1601 | /* | |
1602 | * "break" goes here, but can't be reliably intercepted with termcap | |
1603 | */ | |
1604 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1605 | /* | |
1606 | * "system" and "user" --- no termcaps | |
1607 | */ | |
1608 | "kE", "clearline", /* terminfo */ | |
1609 | "kA", "insertline", /* terminfo */ | |
1610 | "kL", "deleteline", /* terminfo */ | |
1611 | "kI", "insertchar", /* terminfo */ | |
1612 | "kD", "deletechar", /* terminfo */ | |
1613 | "kB", "backtab", /* terminfo */ | |
1614 | /* | |
1615 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1616 | */ | |
1617 | "@8", "kp-enter", /* terminfo */ | |
1618 | /* | |
1619 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1620 | * "kp-multiply", "kp-add", "kp-separator", | |
1621 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1622 | * --- no termcaps for any of these. | |
1623 | */ | |
1624 | "K4", "kp-1", /* terminfo */ | |
1625 | /* | |
1626 | * "kp-2" --- no termcap | |
1627 | */ | |
1628 | "K5", "kp-3", /* terminfo */ | |
1629 | /* | |
1630 | * "kp-4" --- no termcap | |
1631 | */ | |
1632 | "K2", "kp-5", /* terminfo */ | |
1633 | /* | |
1634 | * "kp-6" --- no termcap | |
1635 | */ | |
1636 | "K1", "kp-7", /* terminfo */ | |
1637 | /* | |
1638 | * "kp-8" --- no termcap | |
1639 | */ | |
1640 | "K3", "kp-9", /* terminfo */ | |
1641 | /* | |
1642 | * "kp-equal" --- no termcap | |
1643 | */ | |
1644 | "k1", "f1", | |
1645 | "k2", "f2", | |
1646 | "k3", "f3", | |
1647 | "k4", "f4", | |
1648 | "k5", "f5", | |
1649 | "k6", "f6", | |
1650 | "k7", "f7", | |
1651 | "k8", "f8", | |
1652 | "k9", "f9", | |
a796ac82 JB |
1653 | }; |
1654 | ||
f2a00342 RM |
1655 | static char **term_get_fkeys_arg; |
1656 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1657 | |
01d8deb0 ER |
1658 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1659 | This function scans the termcap function key sequence entries, and | |
1660 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1661 | ||
5c2c7893 JB |
1662 | void |
1663 | term_get_fkeys (address) | |
1664 | char **address; | |
f2a00342 RM |
1665 | { |
1666 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1667 | errors during the call. The only errors should be from Fdefine_key | |
1668 | when given a key sequence containing an invalid prefix key. If the | |
1669 | termcap defines function keys which use a prefix that is already bound | |
1670 | to a command by the default bindings, we should silently ignore that | |
1671 | function key specification, rather than giving the user an error and | |
1672 | refusing to run at all on such a terminal. */ | |
1673 | ||
1674 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1675 | term_get_fkeys_arg = address; |
1676 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1677 | } | |
1678 | ||
1679 | static Lisp_Object | |
1680 | term_get_fkeys_1 () | |
5c2c7893 | 1681 | { |
5c2c7893 JB |
1682 | int i; |
1683 | ||
37085233 | 1684 | char **address = term_get_fkeys_arg; |
f778aff2 | 1685 | |
3e65092f RS |
1686 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1687 | if (!initialized) | |
1688 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1689 | ||
5c2c7893 JB |
1690 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1691 | { | |
1692 | char *sequence = tgetstr (keys[i].cap, address); | |
1693 | if (sequence) | |
f2a00342 RM |
1694 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1695 | Fmake_vector (make_number (1), | |
1696 | intern (keys[i].name))); | |
5c2c7893 | 1697 | } |
a796ac82 JB |
1698 | |
1699 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1700 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1701 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1702 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1703 | */ | |
1704 | { | |
1705 | char *k_semi = tgetstr ("k;", address); | |
1706 | char *k0 = tgetstr ("k0", address); | |
1707 | char *k0_name = "f10"; | |
1708 | ||
1709 | if (k_semi) | |
1710 | { | |
f2a00342 RM |
1711 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1712 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1713 | k0_name = "f0"; |
1714 | } | |
1715 | ||
1716 | if (k0) | |
f2a00342 RM |
1717 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1718 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1719 | } |
01d8deb0 ER |
1720 | |
1721 | /* Set up cookies for numbered function keys above f10. */ | |
1722 | { | |
1723 | char fcap[3], fkey[4]; | |
1724 | ||
fc4f24da | 1725 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1726 | for (i = 11; i < 64; i++) |
1727 | { | |
1728 | if (i <= 19) | |
1729 | fcap[1] = '1' + i - 11; | |
1730 | else if (i <= 45) | |
b59ab95c | 1731 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1732 | else |
b59ab95c | 1733 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1734 | |
fc4f24da RS |
1735 | { |
1736 | char *sequence = tgetstr (fcap, address); | |
1737 | if (sequence) | |
1738 | { | |
465db27b | 1739 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1740 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1741 | Fmake_vector (make_number (1), | |
1742 | intern (fkey))); | |
fc4f24da RS |
1743 | } |
1744 | } | |
01d8deb0 ER |
1745 | } |
1746 | } | |
1747 | ||
1748 | /* | |
1749 | * Various mappings to try and get a better fit. | |
1750 | */ | |
1751 | { | |
fc4f24da RS |
1752 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1753 | if (!tgetstr (cap1, address)) \ | |
1754 | { \ | |
1755 | char *sequence = tgetstr (cap2, address); \ | |
1756 | if (sequence) \ | |
f2a00342 RM |
1757 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1758 | Fmake_vector (make_number (1), \ | |
1759 | intern (sym))); \ | |
fc4f24da | 1760 | } |
01d8deb0 ER |
1761 | |
1762 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1763 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1764 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1765 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1766 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1767 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1768 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1769 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1770 | |
1771 | /* IBM has their own non-standard dialect of terminfo. | |
1772 | If the standard name isn't found, try the IBM name. */ | |
1773 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1774 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1775 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1776 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1777 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1778 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1779 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1780 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1781 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1782 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1783 | } |
a168702a GM |
1784 | |
1785 | return Qnil; | |
5c2c7893 JB |
1786 | } |
1787 | ||
1788 | \f | |
a168702a GM |
1789 | /*********************************************************************** |
1790 | Character Display Information | |
1791 | ***********************************************************************/ | |
1792 | ||
1793 | static void append_glyph P_ ((struct it *)); | |
1794 | ||
1795 | ||
1796 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1797 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1798 | for which to produce glyphs; IT->face_id contains the character's | |
1799 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1800 | 1. */ | |
1801 | ||
1802 | static void | |
1803 | append_glyph (it) | |
1804 | struct it *it; | |
1805 | { | |
1806 | struct glyph *glyph, *end; | |
1807 | int i; | |
1808 | ||
1809 | xassert (it->glyph_row); | |
1810 | glyph = (it->glyph_row->glyphs[it->area] | |
1811 | + it->glyph_row->used[it->area]); | |
1812 | end = it->glyph_row->glyphs[1 + it->area]; | |
1813 | ||
1814 | for (i = 0; | |
1815 | i < it->pixel_width && glyph < end; | |
1816 | ++i) | |
1817 | { | |
1818 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1819 | glyph->pixel_width = 1; |
32de38e4 KH |
1820 | glyph->u.ch = it->c; |
1821 | glyph->face_id = it->face_id; | |
1822 | glyph->padding_p = i > 0; | |
a168702a GM |
1823 | glyph->charpos = CHARPOS (it->position); |
1824 | glyph->object = it->object; | |
1825 | ||
1826 | ++it->glyph_row->used[it->area]; | |
1827 | ++glyph; | |
1828 | } | |
1829 | } | |
1830 | ||
1831 | ||
1832 | /* Produce glyphs for the display element described by IT. The | |
1833 | function fills output fields of IT with pixel information like the | |
1834 | pixel width and height of a character, and maybe produces glyphs at | |
1835 | the same time if IT->glyph_row is non-null. See the explanation of | |
1836 | struct display_iterator in dispextern.h for an overview. */ | |
1837 | ||
1838 | void | |
1839 | produce_glyphs (it) | |
1840 | struct it *it; | |
1841 | { | |
1842 | /* If a hook is installed, let it do the work. */ | |
1843 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1844 | || it->what == IT_COMPOSITION |
a168702a GM |
1845 | || it->what == IT_IMAGE |
1846 | || it->what == IT_STRETCH); | |
1847 | ||
c7cba11d KH |
1848 | /* Nothing but characters are supported on terminal frames. For a |
1849 | composition sequence, it->c is the first character of the | |
1850 | sequence. */ | |
1851 | xassert (it->what == IT_CHARACTER | |
1852 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1853 | |
1854 | if (it->c >= 040 && it->c < 0177) | |
1855 | { | |
1856 | it->pixel_width = it->nglyphs = 1; | |
1857 | if (it->glyph_row) | |
1858 | append_glyph (it); | |
1859 | } | |
1860 | else if (it->c == '\n') | |
1861 | it->pixel_width = it->nglyphs = 0; | |
1862 | else if (it->c == '\t') | |
1863 | { | |
2efdbcdd | 1864 | int absolute_x = (it->current_x |
a168702a GM |
1865 | + it->continuation_lines_width); |
1866 | int next_tab_x | |
1867 | = (((1 + absolute_x + it->tab_width - 1) | |
1868 | / it->tab_width) | |
1869 | * it->tab_width); | |
1870 | int nspaces; | |
1871 | ||
1872 | /* If part of the TAB has been displayed on the previous line | |
1873 | which is continued now, continuation_lines_width will have | |
1874 | been incremented already by the part that fitted on the | |
1875 | continued line. So, we will get the right number of spaces | |
1876 | here. */ | |
1877 | nspaces = next_tab_x - absolute_x; | |
1878 | ||
1879 | if (it->glyph_row) | |
1880 | { | |
1881 | int n = nspaces; | |
1882 | ||
1883 | it->c = ' '; | |
1884 | it->pixel_width = it->len = 1; | |
1885 | ||
1886 | while (n--) | |
1887 | append_glyph (it); | |
1888 | ||
1889 | it->c = '\t'; | |
1890 | } | |
1891 | ||
1892 | it->pixel_width = nspaces; | |
1893 | it->nglyphs = nspaces; | |
1894 | } | |
add44890 EZ |
1895 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1896 | { | |
cf872af5 | 1897 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1898 | must send the code as is to the terminal. Although there's |
1899 | no way to know how many columns it occupies on a screen, it | |
1900 | is a good assumption that a single byte code has 1-column | |
1901 | width. */ | |
1902 | it->pixel_width = it->nglyphs = 1; | |
1903 | if (it->glyph_row) | |
1904 | append_glyph (it); | |
1905 | } | |
a168702a GM |
1906 | else |
1907 | { | |
c7cba11d KH |
1908 | /* A multi-byte character. The display width is fixed for all |
1909 | characters of the set. Some of the glyphs may have to be | |
1910 | ignored because they are already displayed in a continued | |
1911 | line. */ | |
a168702a GM |
1912 | int charset = CHAR_CHARSET (it->c); |
1913 | ||
c7cba11d | 1914 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a GM |
1915 | it->nglyphs = it->pixel_width; |
1916 | ||
1917 | if (it->glyph_row) | |
1918 | append_glyph (it); | |
1919 | } | |
1920 | ||
1921 | /* Advance current_x by the pixel width as a convenience for | |
1922 | the caller. */ | |
1923 | if (it->area == TEXT_AREA) | |
1924 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1925 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1926 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1927 | } |
1928 | ||
1929 | ||
1930 | /* Get information about special display element WHAT in an | |
1931 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1932 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1933 | non-null glyph_row member. This function ensures that fields like | |
1934 | face_id, c, len of IT are left untouched. */ | |
1935 | ||
1936 | void | |
1937 | produce_special_glyphs (it, what) | |
1938 | struct it *it; | |
1939 | enum display_element_type what; | |
1940 | { | |
1941 | struct it temp_it; | |
1942 | ||
1943 | temp_it = *it; | |
1944 | temp_it.dp = NULL; | |
1945 | temp_it.what = IT_CHARACTER; | |
1946 | temp_it.len = 1; | |
7c752c80 | 1947 | temp_it.object = make_number (0); |
a168702a GM |
1948 | bzero (&temp_it.current, sizeof temp_it.current); |
1949 | ||
1950 | if (what == IT_CONTINUATION) | |
1951 | { | |
1952 | /* Continuation glyph. */ | |
1953 | if (it->dp | |
1954 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1955 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1956 | { | |
1957 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1958 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1959 | } |
1960 | else | |
1961 | temp_it.c = '\\'; | |
1962 | ||
1963 | produce_glyphs (&temp_it); | |
1964 | it->pixel_width = temp_it.pixel_width; | |
1965 | it->nglyphs = temp_it.pixel_width; | |
1966 | } | |
1967 | else if (what == IT_TRUNCATION) | |
1968 | { | |
1969 | /* Truncation glyph. */ | |
1970 | if (it->dp | |
1971 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1972 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1973 | { | |
1974 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1975 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1976 | } |
1977 | else | |
1978 | temp_it.c = '$'; | |
1979 | ||
1980 | produce_glyphs (&temp_it); | |
1981 | it->pixel_width = temp_it.pixel_width; | |
1982 | it->nglyphs = temp_it.pixel_width; | |
1983 | } | |
1984 | else | |
1985 | abort (); | |
1986 | } | |
1987 | ||
1988 | ||
1989 | /* Return an estimation of the pixel height of mode or top lines on | |
1990 | frame F. FACE_ID specifies what line's height to estimate. */ | |
1991 | ||
1992 | int | |
1993 | estimate_mode_line_height (f, face_id) | |
1994 | struct frame *f; | |
1995 | enum face_id face_id; | |
1996 | { | |
1997 | if (estimate_mode_line_height_hook) | |
1998 | return estimate_mode_line_height_hook (f, face_id); | |
1999 | else | |
2000 | return 1; | |
2001 | } | |
2002 | ||
2003 | ||
2004 | \f | |
2005 | /*********************************************************************** | |
2006 | Faces | |
2007 | ***********************************************************************/ | |
2008 | ||
4e6ba4a4 GM |
2009 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2010 | one of the enumerators from enum no_color_bit, or a bit set built | |
2011 | from them. Some display attributes may not be used together with | |
2012 | color; the termcap capability `NC' specifies which ones. */ | |
2013 | ||
2014 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
2015 | (TN_max_colors > 0 \ | |
2016 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
2017 | : 1) | |
a168702a GM |
2018 | |
2019 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
2020 | ||
2021 | static void | |
2022 | turn_on_face (f, face_id) | |
2023 | struct frame *f; | |
2024 | int face_id; | |
2025 | { | |
2026 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2027 | long fg = face->foreground; |
2028 | long bg = face->background; | |
a168702a | 2029 | |
86a7d192 GM |
2030 | /* Do this first because TS_end_standout_mode may be the same |
2031 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
2032 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
2033 | { | |
2034 | if (TN_max_colors > 0) | |
2035 | { | |
2036 | if (fg >= 0 && bg >= 0) | |
2037 | { | |
2038 | /* If the terminal supports colors, we can set them | |
2039 | below without using reverse video. The face's fg | |
2040 | and bg colors are set as they should appear on | |
2041 | the screen, i.e. they take the inverse-video'ness | |
2042 | of the face already into account. */ | |
2043 | } | |
2044 | else if (inverse_video) | |
2045 | { | |
2046 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2047 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2048 | toggle_highlight (); | |
2049 | } | |
2050 | else | |
2051 | { | |
2052 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2053 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2054 | toggle_highlight (); | |
2055 | } | |
2056 | } | |
2057 | else | |
2058 | { | |
2059 | /* If we can't display colors, use reverse video | |
2060 | if the face specifies that. */ | |
37526b42 GM |
2061 | if (inverse_video) |
2062 | { | |
2063 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2064 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2065 | toggle_highlight (); | |
2066 | } | |
2067 | else | |
2068 | { | |
2069 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2070 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2071 | toggle_highlight (); | |
2072 | } | |
86a7d192 GM |
2073 | } |
2074 | } | |
a168702a GM |
2075 | |
2076 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
2077 | { |
2078 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
2079 | OUTPUT1_IF (TS_enter_bold_mode); | |
2080 | } | |
a168702a | 2081 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
2082 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
2083 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
2084 | |
2085 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2086 | if (face->tty_alt_charset_p |
2087 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2088 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2089 | ||
4e6ba4a4 GM |
2090 | if (face->tty_blinking_p |
2091 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2092 | OUTPUT1_IF (TS_enter_blink_mode); |
2093 | ||
2094 | if (face->tty_underline_p | |
2095 | /* Don't underline if that's difficult. */ | |
4e6ba4a4 GM |
2096 | && TN_magic_cookie_glitch_ul <= 0 |
2097 | && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) | |
a168702a GM |
2098 | OUTPUT1_IF (TS_enter_underline_mode); |
2099 | ||
a168702a GM |
2100 | if (TN_max_colors > 0) |
2101 | { | |
2102 | char *p; | |
2103 | ||
86a7d192 | 2104 | if (fg >= 0 && TS_set_foreground) |
a168702a | 2105 | { |
86a7d192 | 2106 | p = tparam (TS_set_foreground, NULL, 0, (int) fg); |
a168702a GM |
2107 | OUTPUT (p); |
2108 | xfree (p); | |
2109 | } | |
2110 | ||
86a7d192 | 2111 | if (bg >= 0 && TS_set_background) |
a168702a | 2112 | { |
86a7d192 | 2113 | p = tparam (TS_set_background, NULL, 0, (int) bg); |
a168702a GM |
2114 | OUTPUT (p); |
2115 | xfree (p); | |
2116 | } | |
2117 | } | |
2118 | } | |
2119 | ||
2120 | ||
2121 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2122 | ||
2123 | static void | |
2124 | turn_off_face (f, face_id) | |
2125 | struct frame *f; | |
2126 | int face_id; | |
2127 | { | |
2128 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2129 | |
2130 | xassert (face != NULL); | |
2131 | ||
2132 | if (TS_exit_attribute_mode) | |
2133 | { | |
2134 | /* Capability "me" will turn off appearance modes double-bright, | |
2135 | half-bright, reverse-video, standout, underline. It may or | |
2136 | may not turn off alt-char-mode. */ | |
2137 | if (face->tty_bold_p | |
2138 | || face->tty_dim_p | |
2139 | || face->tty_reverse_p | |
2140 | || face->tty_alt_charset_p | |
2141 | || face->tty_blinking_p | |
2142 | || face->tty_underline_p) | |
65aa5e85 GM |
2143 | { |
2144 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2145 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2146 | standout_mode = 0; | |
2147 | } | |
a168702a GM |
2148 | |
2149 | if (face->tty_alt_charset_p) | |
2150 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2151 | } | |
2152 | else | |
2153 | { | |
2154 | /* If we don't have "me" we can only have those appearances | |
2155 | that have exit sequences defined. */ | |
2156 | if (face->tty_alt_charset_p) | |
2157 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2158 | ||
2159 | if (face->tty_underline_p | |
2160 | /* We don't underline if that's difficult. */ | |
2161 | && TN_magic_cookie_glitch_ul <= 0) | |
2162 | OUTPUT_IF (TS_exit_underline_mode); | |
2163 | } | |
2164 | ||
2165 | /* Switch back to default colors. */ | |
2166 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2167 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2168 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2169 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2170 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2171 | OUTPUT1_IF (TS_orig_pair); |
2172 | } | |
2173 | ||
2174 | ||
2175 | /* Return non-zero if the terminal is capable to display colors. */ | |
2176 | ||
2177 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2178 | 0, 1, 0, |
7ee72033 MB |
2179 | doc: /* Return non-nil if TTY can display colors on FRAME. */) |
2180 | (frame) | |
981e4297 | 2181 | Lisp_Object frame; |
a168702a GM |
2182 | { |
2183 | return TN_max_colors > 0 ? Qt : Qnil; | |
2184 | } | |
2185 | ||
2186 | ||
2187 | ||
2188 | \f | |
2189 | /*********************************************************************** | |
2190 | Initialization | |
2191 | ***********************************************************************/ | |
2192 | ||
dfcf069d | 2193 | void |
08a24c47 JB |
2194 | term_init (terminal_type) |
2195 | char *terminal_type; | |
2196 | { | |
2197 | char *area; | |
2198 | char **address = &area; | |
2199 | char buffer[2044]; | |
2200 | register char *p; | |
2201 | int status; | |
e52f4e08 | 2202 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2203 | |
cb28b9c2 | 2204 | #ifdef WINDOWSNT |
29f27c39 | 2205 | initialize_w32_display (); |
cb28b9c2 RS |
2206 | |
2207 | Wcm_clear (); | |
cb28b9c2 | 2208 | |
a678d9ff | 2209 | area = (char *) xmalloc (2044); |
cb28b9c2 RS |
2210 | |
2211 | if (area == 0) | |
2212 | abort (); | |
2213 | ||
e52f4e08 GM |
2214 | FrameRows = FRAME_HEIGHT (sf); |
2215 | FrameCols = FRAME_WIDTH (sf); | |
2216 | specified_window = FRAME_HEIGHT (sf); | |
cb28b9c2 RS |
2217 | |
2218 | delete_in_insert_mode = 1; | |
2219 | ||
2220 | UseTabs = 0; | |
2221 | scroll_region_ok = 0; | |
2222 | ||
2223 | /* Seems to insert lines when it's not supposed to, messing | |
2224 | up the display. In doing a trace, it didn't seem to be | |
2225 | called much, so I don't think we're losing anything by | |
2226 | turning it off. */ | |
2227 | ||
2228 | line_ins_del_ok = 0; | |
2229 | char_ins_del_ok = 1; | |
2230 | ||
2231 | baud_rate = 19200; | |
2232 | ||
e52f4e08 GM |
2233 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2234 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2235 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2236 | |
2237 | return; | |
eccec691 | 2238 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2239 | |
08a24c47 | 2240 | Wcm_clear (); |
08a24c47 JB |
2241 | |
2242 | status = tgetent (buffer, terminal_type); | |
2243 | if (status < 0) | |
b0347178 KH |
2244 | { |
2245 | #ifdef TERMINFO | |
e12c1054 | 2246 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2247 | #else |
e12c1054 | 2248 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2249 | #endif |
2250 | } | |
08a24c47 | 2251 | if (status == 0) |
b0347178 KH |
2252 | { |
2253 | #ifdef TERMINFO | |
2254 | fatal ("Terminal type %s is not defined.\n\ | |
2255 | If that is not the actual type of terminal you have,\n\ | |
2256 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2257 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2258 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2259 | terminal_type); |
2260 | #else | |
2261 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2262 | If that is not the actual type of terminal you have,\n\ |
2263 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2264 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2265 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2266 | terminal_type); |
2267 | #endif | |
2268 | } | |
08a24c47 | 2269 | #ifdef TERMINFO |
a678d9ff | 2270 | area = (char *) xmalloc (2044); |
08a24c47 | 2271 | #else |
a678d9ff | 2272 | area = (char *) xmalloc (strlen (buffer)); |
08a24c47 JB |
2273 | #endif /* not TERMINFO */ |
2274 | if (area == 0) | |
2275 | abort (); | |
2276 | ||
2277 | TS_ins_line = tgetstr ("al", address); | |
2278 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2279 | TS_bell = tgetstr ("bl", address); | |
2280 | BackTab = tgetstr ("bt", address); | |
2281 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2282 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2283 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2284 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2285 | AbsPosition = tgetstr ("cm", address); |
2286 | CR = tgetstr ("cr", address); | |
2287 | TS_set_scroll_region = tgetstr ("cs", address); | |
2288 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2289 | RowPosition = tgetstr ("cv", address); | |
2290 | TS_del_char = tgetstr ("dc", address); | |
2291 | TS_del_multi_chars = tgetstr ("DC", address); | |
2292 | TS_del_line = tgetstr ("dl", address); | |
2293 | TS_del_multi_lines = tgetstr ("DL", address); | |
2294 | TS_delete_mode = tgetstr ("dm", address); | |
2295 | TS_end_delete_mode = tgetstr ("ed", address); | |
2296 | TS_end_insert_mode = tgetstr ("ei", address); | |
2297 | Home = tgetstr ("ho", address); | |
2298 | TS_ins_char = tgetstr ("ic", address); | |
2299 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2300 | TS_insert_mode = tgetstr ("im", address); | |
2301 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2302 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2303 | TS_keypad_mode = tgetstr ("ks", address); | |
2304 | LastLine = tgetstr ("ll", address); | |
2305 | Right = tgetstr ("nd", address); | |
2306 | Down = tgetstr ("do", address); | |
2307 | if (!Down) | |
2308 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2309 | #ifdef VMS | |
2310 | /* VMS puts a carriage return before each linefeed, | |
2311 | so it is not safe to use linefeeds. */ | |
2312 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2313 | Down = 0; | |
2314 | #endif /* VMS */ | |
2315 | if (tgetflag ("bs")) | |
2316 | Left = "\b"; /* can't possibly be longer! */ | |
2317 | else /* (Actually, "bs" is obsolete...) */ | |
2318 | Left = tgetstr ("le", address); | |
2319 | if (!Left) | |
2320 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2321 | TS_pad_char = tgetstr ("pc", address); | |
2322 | TS_repeat = tgetstr ("rp", address); | |
2323 | TS_end_standout_mode = tgetstr ("se", address); | |
2324 | TS_fwd_scroll = tgetstr ("sf", address); | |
2325 | TS_standout_mode = tgetstr ("so", address); | |
2326 | TS_rev_scroll = tgetstr ("sr", address); | |
2327 | Wcm.cm_tab = tgetstr ("ta", address); | |
2328 | TS_end_termcap_modes = tgetstr ("te", address); | |
2329 | TS_termcap_modes = tgetstr ("ti", address); | |
2330 | Up = tgetstr ("up", address); | |
2331 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2332 | TS_cursor_normal = tgetstr ("ve", address); |
2333 | TS_cursor_visible = tgetstr ("vs", address); | |
2334 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2335 | TS_set_window = tgetstr ("wi", address); |
a168702a GM |
2336 | |
2337 | TS_enter_underline_mode = tgetstr ("us", address); | |
2338 | TS_exit_underline_mode = tgetstr ("ue", address); | |
2339 | TN_magic_cookie_glitch_ul = tgetnum ("ug"); | |
2340 | TS_enter_bold_mode = tgetstr ("md", address); | |
2341 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2342 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2343 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2344 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2345 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2346 | TS_exit_attribute_mode = tgetstr ("me", address); | |
2347 | ||
08a24c47 JB |
2348 | MultiUp = tgetstr ("UP", address); |
2349 | MultiDown = tgetstr ("DO", address); | |
2350 | MultiLeft = tgetstr ("LE", address); | |
2351 | MultiRight = tgetstr ("RI", address); | |
2352 | ||
e7f90eab GM |
2353 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2354 | color because we can't switch back to the default foreground and | |
2355 | background. */ | |
a168702a | 2356 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2357 | if (TS_orig_pair) |
a168702a | 2358 | { |
e7f90eab GM |
2359 | TS_set_foreground = tgetstr ("AF", address); |
2360 | TS_set_background = tgetstr ("AB", address); | |
2361 | if (!TS_set_foreground) | |
2362 | { | |
2363 | /* SVr4. */ | |
2364 | TS_set_foreground = tgetstr ("Sf", address); | |
2365 | TS_set_background = tgetstr ("Sb", address); | |
2366 | } | |
4e6ba4a4 | 2367 | |
e7f90eab GM |
2368 | TN_max_colors = tgetnum ("Co"); |
2369 | TN_max_pairs = tgetnum ("pa"); | |
4e6ba4a4 GM |
2370 | |
2371 | TN_no_color_video = tgetnum ("NC"); | |
2372 | if (TN_no_color_video == -1) | |
2373 | TN_no_color_video = 0; | |
a168702a | 2374 | } |
a168702a | 2375 | |
e4058338 KH |
2376 | MagicWrap = tgetflag ("xn"); |
2377 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2378 | the former flag imply the latter. */ | |
2379 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2380 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2381 | TF_hazeltine = tgetflag ("hz"); |
2382 | must_write_spaces = tgetflag ("in"); | |
2383 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2384 | TF_insmode_motion = tgetflag ("mi"); | |
2385 | TF_standout_motion = tgetflag ("ms"); | |
2386 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2387 | TF_xs = tgetflag ("xs"); |
2388 | TF_teleray = tgetflag ("xt"); | |
2389 | ||
5c2c7893 JB |
2390 | term_get_fkeys (address); |
2391 | ||
ff11dfa1 | 2392 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2393 | { |
2394 | int height, width; | |
2395 | get_frame_size (&width, &height); | |
e52f4e08 GM |
2396 | FRAME_WIDTH (sf) = width; |
2397 | FRAME_HEIGHT (sf) = height; | |
3b12ce12 RS |
2398 | } |
2399 | ||
e52f4e08 GM |
2400 | if (FRAME_WIDTH (sf) <= 0) |
2401 | SET_FRAME_WIDTH (sf, tgetnum ("co")); | |
1efd8636 RS |
2402 | else |
2403 | /* Keep width and external_width consistent */ | |
e52f4e08 GM |
2404 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf)); |
2405 | if (FRAME_HEIGHT (sf) <= 0) | |
2406 | FRAME_HEIGHT (sf) = tgetnum ("li"); | |
1efd8636 | 2407 | |
e52f4e08 | 2408 | if (FRAME_HEIGHT (sf) < 3 || FRAME_WIDTH (sf) < 3) |
e12c1054 | 2409 | fatal ("Screen size %dx%d is too small", |
e52f4e08 | 2410 | FRAME_HEIGHT (sf), FRAME_WIDTH (sf)); |
ee7a2de4 | 2411 | |
08a24c47 JB |
2412 | min_padding_speed = tgetnum ("pb"); |
2413 | TN_standout_width = tgetnum ("sg"); | |
2414 | TabWidth = tgetnum ("tw"); | |
2415 | ||
2416 | #ifdef VMS | |
2417 | /* These capabilities commonly use ^J. | |
2418 | I don't know why, but sending them on VMS does not work; | |
2419 | it causes following spaces to be lost, sometimes. | |
2420 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2421 | if (Down && Down[0] == '\n') | |
2422 | Down = 0; | |
2423 | #endif /* VMS */ | |
2424 | ||
2425 | if (!TS_bell) | |
2426 | TS_bell = "\07"; | |
2427 | ||
2428 | if (!TS_fwd_scroll) | |
2429 | TS_fwd_scroll = Down; | |
2430 | ||
2431 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2432 | ||
2433 | if (TabWidth < 0) | |
2434 | TabWidth = 8; | |
2435 | ||
2436 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
2437 | and newer termcap doc does not seem to say there is a default. | |
2438 | if (!Wcm.cm_tab) | |
2439 | Wcm.cm_tab = "\t"; | |
2440 | */ | |
2441 | ||
2442 | if (TS_standout_mode == 0) | |
2443 | { | |
2444 | TN_standout_width = tgetnum ("ug"); | |
2445 | TS_end_standout_mode = tgetstr ("ue", address); | |
2446 | TS_standout_mode = tgetstr ("us", address); | |
2447 | } | |
2448 | ||
afd359c4 RS |
2449 | /* If no `se' string, try using a `me' string instead. |
2450 | If that fails, we can't use standout mode at all. */ | |
2451 | if (TS_end_standout_mode == 0) | |
2452 | { | |
e4bfb3b6 | 2453 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2454 | if (s != 0) |
2455 | TS_end_standout_mode = s; | |
2456 | else | |
2457 | TS_standout_mode = 0; | |
2458 | } | |
2459 | ||
08a24c47 JB |
2460 | if (TF_teleray) |
2461 | { | |
2462 | Wcm.cm_tab = 0; | |
2463 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
2464 | but Emacs can do without it (and give one extra column). */ | |
2465 | TS_standout_mode = "\033RD"; | |
2466 | TN_standout_width = 1; | |
2467 | /* But that means we cannot rely on ^M to go to column zero! */ | |
2468 | CR = 0; | |
2469 | /* LF can't be trusted either -- can alter hpos */ | |
2470 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2471 | Down = 0; | |
2472 | } | |
2473 | ||
2474 | /* Special handling for certain terminal types known to need it */ | |
2475 | ||
2476 | if (!strcmp (terminal_type, "supdup")) | |
2477 | { | |
ff11dfa1 | 2478 | memory_below_frame = 1; |
08a24c47 JB |
2479 | Wcm.cm_losewrap = 1; |
2480 | } | |
2481 | if (!strncmp (terminal_type, "c10", 3) | |
2482 | || !strcmp (terminal_type, "perq")) | |
2483 | { | |
2484 | /* Supply a makeshift :wi string. | |
2485 | This string is not valid in general since it works only | |
2486 | for windows starting at the upper left corner; | |
2487 | but that is all Emacs uses. | |
2488 | ||
ff11dfa1 | 2489 | This string works only if the frame is using |
08a24c47 JB |
2490 | the top of the video memory, because addressing is memory-relative. |
2491 | So first check the :ti string to see if that is true. | |
2492 | ||
2493 | It would be simpler if the :wi string could go in the termcap | |
2494 | entry, but it can't because it is not fully valid. | |
2495 | If it were in the termcap entry, it would confuse other programs. */ | |
2496 | if (!TS_set_window) | |
2497 | { | |
2498 | p = TS_termcap_modes; | |
2499 | while (*p && strcmp (p, "\033v ")) | |
2500 | p++; | |
2501 | if (*p) | |
2502 | TS_set_window = "\033v%C %C %C %C "; | |
2503 | } | |
2504 | /* Termcap entry often fails to have :in: flag */ | |
2505 | must_write_spaces = 1; | |
2506 | /* :ti string typically fails to have \E^G! in it */ | |
2507 | /* This limits scope of insert-char to one line. */ | |
2508 | strcpy (area, TS_termcap_modes); | |
2509 | strcat (area, "\033\007!"); | |
2510 | TS_termcap_modes = area; | |
2511 | area += strlen (area) + 1; | |
2512 | p = AbsPosition; | |
2513 | /* Change all %+ parameters to %C, to handle | |
2514 | values above 96 correctly for the C100. */ | |
2515 | while (*p) | |
2516 | { | |
2517 | if (p[0] == '%' && p[1] == '+') | |
2518 | p[1] = 'C'; | |
2519 | p++; | |
2520 | } | |
2521 | } | |
2522 | ||
e52f4e08 GM |
2523 | FrameRows = FRAME_HEIGHT (sf); |
2524 | FrameCols = FRAME_WIDTH (sf); | |
2525 | specified_window = FRAME_HEIGHT (sf); | |
08a24c47 JB |
2526 | |
2527 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2528 | #ifdef VMS | |
2529 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2530 | It lacks the ability to position the cursor.\n\ | |
2531 | If that is not the actual type of terminal you have, use either the\n\ | |
2532 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2533 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2534 | terminal_type); |
37dad45a RS |
2535 | #else /* not VMS */ |
2536 | # ifdef TERMINFO | |
2537 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2538 | It lacks the ability to position the cursor.\n\ | |
2539 | If that is not the actual type of terminal you have,\n\ | |
2540 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2541 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2542 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2543 | terminal_type); |
2544 | # else /* TERMCAP */ | |
08a24c47 JB |
2545 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2546 | It lacks the ability to position the cursor.\n\ | |
2547 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2548 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2549 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2550 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2551 | terminal_type); |
37dad45a RS |
2552 | # endif /* TERMINFO */ |
2553 | #endif /*VMS */ | |
e52f4e08 GM |
2554 | if (FRAME_HEIGHT (sf) <= 0 |
2555 | || FRAME_WIDTH (sf) <= 0) | |
e12c1054 | 2556 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2557 | |
2558 | delete_in_insert_mode | |
2559 | = TS_delete_mode && TS_insert_mode | |
2560 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2561 | ||
2562 | se_is_so = (TS_standout_mode | |
2563 | && TS_end_standout_mode | |
2564 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2565 | ||
2566 | /* Remove width of standout marker from usable width of line */ | |
2567 | if (TN_standout_width > 0) | |
e52f4e08 | 2568 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf) - TN_standout_width); |
08a24c47 JB |
2569 | |
2570 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
2571 | ||
2572 | scroll_region_ok | |
2573 | = (Wcm.cm_abs | |
2574 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2575 | ||
2576 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2577 | && (TS_del_line || TS_del_multi_lines)) | |
2578 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2579 | ||
2580 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2581 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2582 | && (TS_del_char || TS_del_multi_chars)); | |
2583 | ||
2584 | fast_clear_end_of_line = TS_clr_line != 0; | |
2585 | ||
2586 | init_baud_rate (); | |
2587 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2588 | /* meaningless in this case */ | |
2589 | baud_rate = 9600; | |
20a558dc | 2590 | |
e52f4e08 GM |
2591 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2592 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2593 | #endif /* WINDOWSNT */ |
08a24c47 JB |
2594 | } |
2595 | ||
2596 | /* VARARGS 1 */ | |
dfcf069d | 2597 | void |
08a24c47 | 2598 | fatal (str, arg1, arg2) |
4746118a | 2599 | char *str, *arg1, *arg2; |
08a24c47 JB |
2600 | { |
2601 | fprintf (stderr, "emacs: "); | |
2602 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2603 | fprintf (stderr, "\n"); |
08a24c47 JB |
2604 | fflush (stderr); |
2605 | exit (1); | |
2606 | } | |
07c57952 | 2607 | |
dfcf069d | 2608 | void |
07c57952 KH |
2609 | syms_of_term () |
2610 | { | |
7ee72033 MB |
2611 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
2612 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 2613 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
2614 | #ifdef TERMINFO |
2615 | system_uses_terminfo = 1; | |
2616 | #else | |
2617 | system_uses_terminfo = 0; | |
2618 | #endif | |
c291d9ef | 2619 | |
7ee72033 MB |
2620 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, |
2621 | doc: /* Non-nil means call this function to ring the bell. | |
228299fa | 2622 | The function should accept no arguments. */); |
c291d9ef | 2623 | Vring_bell_function = Qnil; |
a168702a GM |
2624 | |
2625 | defsubr (&Stty_display_color_p); | |
07c57952 | 2626 | } |
a168702a | 2627 |