Commit | Line | Data |
---|---|---|
08a24c47 | 1 | /* terminal control module for terminals described by TERMCAP |
a168702a GM |
2 | Copyright (C) 1985, 86, 87, 93, 94, 95, 98 |
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 | |
a168702a GM |
22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@acm.org>. */ |
23 | ||
08a24c47 | 24 | |
565620a5 | 25 | #include <config.h> |
08a24c47 JB |
26 | #include <stdio.h> |
27 | #include <ctype.h> | |
a168702a | 28 | #include <string.h> |
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" | |
ff11dfa1 | 34 | #include "frame.h" |
08a24c47 JB |
35 | #include "disptab.h" |
36 | #include "termhooks.h" | |
5c2c7893 | 37 | #include "keyboard.h" |
dfcf069d | 38 | #include "dispextern.h" |
a168702a GM |
39 | #include "window.h" |
40 | ||
b0f61f15 GM |
41 | #ifdef HAVE_TERMCAP_H |
42 | #include <termcap.h> | |
43 | #endif | |
44 | ||
eccec691 | 45 | #include "cm.h" |
dfcf069d AS |
46 | #ifdef HAVE_X_WINDOWS |
47 | #include "xterm.h" | |
48 | #endif | |
c8951b18 | 49 | |
a168702a GM |
50 | static void turn_on_face P_ ((struct frame *, int face_id)); |
51 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
52 | static void tty_show_cursor P_ ((void)); | |
53 | static void tty_hide_cursor P_ ((void)); | |
54 | ||
08a24c47 JB |
55 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
56 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
57 | ||
e52f4e08 GM |
58 | #define OUTPUT(a) \ |
59 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) - curY), cmputc) | |
08a24c47 JB |
60 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
61 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 62 | |
b0f61f15 GM |
63 | #define OUTPUT_IF(a) \ |
64 | do { \ | |
65 | if (a) \ | |
66 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) \ | |
67 | - curY), cmputc); \ | |
68 | } while (0) | |
a168702a | 69 | |
b0f61f15 | 70 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 71 | |
c291d9ef | 72 | /* Function to use to ring the bell. */ |
a168702a | 73 | |
c291d9ef RS |
74 | Lisp_Object Vring_bell_function; |
75 | ||
eb8c3be9 | 76 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
77 | These are all extern'd in termchar.h */ |
78 | ||
08a24c47 JB |
79 | int must_write_spaces; /* Nonzero means spaces in the text |
80 | must actually be output; can't just skip | |
81 | over some columns to leave them blank. */ | |
82 | int min_padding_speed; /* Speed below which no padding necessary */ | |
83 | ||
84 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
85 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
86 | int scroll_region_ok; /* Terminal supports setting the | |
87 | scroll window */ | |
be7cd44f RS |
88 | int scroll_region_cost; /* Cost of setting a scroll window, |
89 | measured in characters */ | |
ff11dfa1 | 90 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
91 | scrolled off bottom */ |
92 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
93 | ||
ff11dfa1 | 94 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
95 | a suspended Emacs. This is useful on terminals with multiple pages, |
96 | where one page is used for Emacs and another for all else. */ | |
a168702a | 97 | |
08a24c47 JB |
98 | int no_redraw_on_reenter; |
99 | ||
100 | /* Hook functions that you can set to snap out the functions in this file. | |
101 | These are all extern'd in termhooks.h */ | |
102 | ||
dfcf069d AS |
103 | void (*cursor_to_hook) P_ ((int, int)); |
104 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
105 | void (*clear_to_end_hook) P_ ((void)); |
106 | void (*clear_frame_hook) P_ ((void)); | |
107 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 108 | |
dfcf069d | 109 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 110 | |
a168702a | 111 | void (*change_line_highlight_hook) P_ ((int, int, int, int)); |
dfcf069d | 112 | void (*reassert_line_highlight_hook) P_ ((int, int)); |
08a24c47 | 113 | |
dfcf069d | 114 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 115 | |
dfcf069d | 116 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 117 | |
dfcf069d AS |
118 | void (*reset_terminal_modes_hook) P_ ((void)); |
119 | void (*set_terminal_modes_hook) P_ ((void)); | |
120 | void (*update_begin_hook) P_ ((struct frame *)); | |
121 | void (*update_end_hook) P_ ((struct frame *)); | |
122 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
123 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
124 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
125 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 126 | |
dfcf069d | 127 | int (*read_socket_hook) P_ ((int, struct input_event *, int, int)); |
08a24c47 | 128 | |
dfcf069d | 129 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 130 | |
20a558dc | 131 | /* Return the current position of the mouse. |
371fbaeb JB |
132 | |
133 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
134 | Emacs frame. If it is set to zero, all the other arguments are | |
135 | garbage. | |
136 | ||
a3c87d4e JB |
137 | If the motion started in a scroll bar, set *bar_window to the |
138 | scroll bar's window, *part to the part the mouse is currently over, | |
139 | *x to the position of the mouse along the scroll bar, and *y to the | |
140 | overall length of the scroll bar. | |
371fbaeb JB |
141 | |
142 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
143 | row of the character cell the mouse is over. | |
144 | ||
145 | Set *time to the time the mouse was at the returned position. | |
146 | ||
147 | This should clear mouse_moved until the next motion | |
148 | event arrives. */ | |
dfcf069d | 149 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 150 | Lisp_Object *bar_window, |
a3c87d4e | 151 | enum scroll_bar_part *part, |
20a558dc JB |
152 | Lisp_Object *x, |
153 | Lisp_Object *y, | |
dfcf069d | 154 | unsigned long *time)); |
08a24c47 | 155 | |
ff11dfa1 | 156 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 157 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 158 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
159 | This hook tells the window system code to re-decide where to put |
160 | the highlight. */ | |
dfcf069d | 161 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 162 | |
dbc4e1c1 JB |
163 | /* If we're displaying frames using a window system that can stack |
164 | frames on top of each other, this hook allows you to bring a frame | |
165 | to the front, or bury it behind all the other windows. If this | |
166 | hook is zero, that means the device we're displaying on doesn't | |
167 | support overlapping frames, so there's no need to raise or lower | |
168 | anything. | |
169 | ||
170 | If RAISE is non-zero, F is brought to the front, before all other | |
171 | windows. If RAISE is zero, F is sent to the back, behind all other | |
172 | windows. */ | |
dfcf069d | 173 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 174 | |
a3c87d4e | 175 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
176 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
177 | indicate that we are displaying PORTION characters out of a total | |
178 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 179 | have a scroll bar, create one for it. */ |
a168702a | 180 | |
a3c87d4e | 181 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
182 | P_ ((struct window *window, |
183 | int portion, int whole, int position)); | |
20a558dc | 184 | |
371fbaeb | 185 | |
20a558dc | 186 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 187 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
188 | are going to be deleted, because keeping track of when windows go |
189 | away is a real pain - can you say set-window-configuration? | |
190 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 191 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 192 | fiery pit when we actually redisplay their window. */ |
20a558dc | 193 | |
a3c87d4e JB |
194 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
195 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
a168702a | 196 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 197 | |
371fbaeb | 198 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
199 | redisplayed, even if it is not displaying scroll bars at the moment; |
200 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
201 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
202 | |
203 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 204 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 205 | currently displaying them. */ |
dfcf069d | 206 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 207 | |
a3c87d4e JB |
208 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
209 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
dfcf069d | 210 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 211 | |
a3c87d4e JB |
212 | /* Remove all scroll bars on FRAME that haven't been saved since the |
213 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 214 | |
371fbaeb | 215 | This should be applied to each frame after each time its window |
a3c87d4e JB |
216 | tree is redisplayed, even if it is not displaying scroll bars at the |
217 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
218 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
219 | |
220 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 221 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 222 | currently displaying them. */ |
dfcf069d | 223 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 224 | |
a168702a GM |
225 | /* Hook to call in estimate_mode_line_height, if any. */ |
226 | ||
227 | int (* estimate_mode_line_height_hook) P_ ((struct frame *f, enum face_id)); | |
228 | ||
20a558dc | 229 | |
08a24c47 JB |
230 | /* Strings, numbers and flags taken from the termcap entry. */ |
231 | ||
a4decb7f | 232 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
233 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
234 | char *TS_bell; /* "bl" */ | |
235 | char *TS_clr_to_bottom; /* "cd" */ | |
236 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 237 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
238 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
239 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
240 | lines above scroll region, lines below it, | |
241 | total lines again) */ | |
242 | char *TS_del_char; /* "dc" */ | |
243 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
244 | char *TS_del_line; /* "dl" */ | |
245 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
246 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
247 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
248 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
249 | char *TS_ins_char; /* "ic" */ | |
250 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
251 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
252 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
253 | char *TS_end_keypad_mode; /* "ke" */ | |
254 | char *TS_keypad_mode; /* "ks" */ | |
255 | char *TS_pad_char; /* "pc", char to use as padding */ | |
256 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
257 | and character to be repeated) */ | |
258 | char *TS_end_standout_mode; /* "se" */ | |
259 | char *TS_fwd_scroll; /* "sf" */ | |
260 | char *TS_standout_mode; /* "so" */ | |
261 | char *TS_rev_scroll; /* "sr" */ | |
262 | char *TS_end_termcap_modes; /* "te" */ | |
263 | char *TS_termcap_modes; /* "ti" */ | |
264 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
265 | char *TS_cursor_normal; /* "ve" */ |
266 | char *TS_cursor_visible; /* "vs" */ | |
267 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
268 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
269 | each as vpos and hpos) */ | |
270 | ||
4e6ba4a4 GM |
271 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
272 | present. */ | |
273 | ||
274 | static int TN_no_color_video; | |
275 | ||
276 | /* Meaning of bits in no_color_video. Each bit set means that the | |
277 | corresponding attribute cannot be combined with colors. */ | |
278 | ||
279 | enum no_color_bit | |
280 | { | |
281 | NC_STANDOUT = 1 << 0, | |
282 | NC_UNDERLINE = 1 << 1, | |
283 | NC_REVERSE = 1 << 2, | |
284 | NC_BLINK = 1 << 3, | |
285 | NC_DIM = 1 << 4, | |
286 | NC_BOLD = 1 << 5, | |
287 | NC_INVIS = 1 << 6, | |
288 | NC_PROTECT = 1 << 7, | |
289 | NC_ALT_CHARSET = 1 << 8 | |
290 | }; | |
291 | ||
a168702a GM |
292 | /* "md" -- turn on bold (extra bright mode). */ |
293 | ||
294 | char *TS_enter_bold_mode; | |
295 | ||
296 | /* "mh" -- turn on half-bright mode. */ | |
297 | ||
298 | char *TS_enter_dim_mode; | |
299 | ||
300 | /* "mb" -- enter blinking mode. */ | |
301 | ||
302 | char *TS_enter_blink_mode; | |
303 | ||
304 | /* "mr" -- enter reverse video mode. */ | |
305 | ||
306 | char *TS_enter_reverse_mode; | |
307 | ||
308 | /* "us"/"ue" -- start/end underlining. */ | |
309 | ||
310 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
311 | ||
312 | /* "ug" -- number of blanks left by underline. */ | |
313 | ||
314 | int TN_magic_cookie_glitch_ul; | |
315 | ||
316 | /* "as"/"ae" -- start/end alternate character set. Not really | |
317 | supported, yet. */ | |
318 | ||
319 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
320 | ||
321 | /* "me" -- switch appearances off. */ | |
322 | ||
323 | char *TS_exit_attribute_mode; | |
324 | ||
325 | /* "Co" -- number of colors. */ | |
326 | ||
327 | int TN_max_colors; | |
328 | ||
329 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
330 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
331 | ||
332 | int TN_max_pairs; | |
333 | ||
334 | /* "op" -- SVr4 set default pair to its original value. */ | |
335 | ||
336 | char *TS_orig_pair; | |
337 | ||
338 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
339 | 1 param, the color index. */ | |
340 | ||
341 | char *TS_set_foreground, *TS_set_background; | |
342 | ||
08a24c47 JB |
343 | int TF_hazeltine; /* termcap hz flag. */ |
344 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
345 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
346 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
347 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
348 | int TF_teleray; /* termcap xt flag: many weird consequences. |
349 | For t1061. */ | |
350 | ||
351 | int TF_xs; /* Nonzero for "xs". If set together with | |
352 | TN_standout_width == 0, it means don't bother | |
353 | to write any end-standout cookies. */ | |
354 | ||
355 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
356 | markers */ | |
357 | ||
358 | static int RPov; /* # chars to start a TS_repeat */ | |
359 | ||
360 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
361 | ||
362 | static int se_is_so; /* 1 if same string both enters and leaves | |
363 | standout mode */ | |
364 | ||
365 | /* internal state */ | |
366 | ||
8dd0c7cb | 367 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 368 | |
8dd0c7cb | 369 | int max_frame_width; |
a168702a | 370 | |
8dd0c7cb | 371 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 372 | |
8dd0c7cb RS |
373 | int max_frame_height; |
374 | ||
08a24c47 JB |
375 | /* Number of chars of space used for standout marker at beginning of line, |
376 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 377 | The length of these vectors is max_frame_height. |
08a24c47 JB |
378 | |
379 | Used IFF TN_standout_width >= 0. */ | |
380 | ||
381 | static char *chars_wasted; | |
382 | static char *copybuf; | |
383 | ||
384 | /* nonzero means supposed to write text in standout mode. */ | |
a168702a | 385 | |
08a24c47 JB |
386 | int standout_requested; |
387 | ||
388 | int insert_mode; /* Nonzero when in insert mode. */ | |
389 | int standout_mode; /* Nonzero when in standout mode. */ | |
390 | ||
391 | /* Size of window specified by higher levels. | |
ff11dfa1 | 392 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
393 | which can participate in insert-line/delete-line operations. |
394 | ||
ff11dfa1 | 395 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
396 | lines from those operations. */ |
397 | ||
398 | int specified_window; | |
399 | ||
ff11dfa1 | 400 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
401 | (Direct output does not count). */ |
402 | ||
ff11dfa1 | 403 | FRAME_PTR updating_frame; |
08a24c47 | 404 | |
07c57952 | 405 | /* Provided for lisp packages. */ |
a168702a | 406 | |
07c57952 KH |
407 | static int system_uses_terminfo; |
408 | ||
08a24c47 | 409 | char *tparam (); |
e4bfb3b6 RS |
410 | |
411 | extern char *tgetstr (); | |
08a24c47 | 412 | \f |
cb28b9c2 RS |
413 | |
414 | #ifdef WINDOWSNT | |
a168702a | 415 | |
cb28b9c2 RS |
416 | /* We aren't X windows, but we aren't termcap either. This makes me |
417 | uncertain as to what value to use for frame.output_method. For | |
418 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
419 | output hooks get called instead of the termcap functions. Probably | |
420 | the best long-term solution is to define an output_windows_nt... */ | |
421 | ||
422 | #undef FRAME_TERMCAP_P | |
423 | #define FRAME_TERMCAP_P(_f_) 0 | |
424 | #endif /* WINDOWSNT */ | |
425 | ||
dfcf069d | 426 | void |
08a24c47 JB |
427 | ring_bell () |
428 | { | |
c291d9ef RS |
429 | if (! NILP (Vring_bell_function)) |
430 | { | |
431 | Lisp_Object function; | |
432 | ||
433 | /* Temporarily set the global variable to nil | |
434 | so that if we get an error, it stays nil | |
435 | and we don't call it over and over. | |
436 | ||
437 | We don't specbind it, because that would carefully | |
438 | restore the bad value if there's an error | |
439 | and make the loop of errors happen anyway. */ | |
440 | function = Vring_bell_function; | |
441 | Vring_bell_function = Qnil; | |
442 | ||
443 | call0 (function); | |
444 | ||
445 | Vring_bell_function = function; | |
446 | return; | |
447 | } | |
448 | ||
e52f4e08 | 449 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 JB |
450 | { |
451 | (*ring_bell_hook) (); | |
452 | return; | |
453 | } | |
454 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
455 | } | |
456 | ||
dfcf069d | 457 | void |
08a24c47 JB |
458 | set_terminal_modes () |
459 | { | |
e52f4e08 | 460 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 JB |
461 | { |
462 | (*set_terminal_modes_hook) (); | |
463 | return; | |
464 | } | |
465 | OUTPUT_IF (TS_termcap_modes); | |
a168702a | 466 | OUTPUT_IF (TS_cursor_visible); |
08a24c47 JB |
467 | OUTPUT_IF (TS_keypad_mode); |
468 | losecursor (); | |
469 | } | |
470 | ||
dfcf069d | 471 | void |
08a24c47 JB |
472 | reset_terminal_modes () |
473 | { | |
e52f4e08 | 474 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 475 | { |
b3e1cb05 GV |
476 | if (reset_terminal_modes_hook) |
477 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
478 | return; |
479 | } | |
480 | if (TN_standout_width < 0) | |
481 | turn_off_highlight (); | |
482 | turn_off_insert (); | |
483 | OUTPUT_IF (TS_end_keypad_mode); | |
a168702a | 484 | OUTPUT_IF (TS_cursor_normal); |
08a24c47 | 485 | OUTPUT_IF (TS_end_termcap_modes); |
a168702a | 486 | OUTPUT_IF (TS_orig_pair); |
08a24c47 JB |
487 | /* Output raw CR so kernel can track the cursor hpos. */ |
488 | /* But on magic-cookie terminals this can erase an end-standout marker and | |
ff11dfa1 | 489 | cause the rest of the frame to be in standout, so move down first. */ |
08a24c47 JB |
490 | if (TN_standout_width >= 0) |
491 | cmputc ('\n'); | |
492 | cmputc ('\r'); | |
493 | } | |
494 | ||
dfcf069d | 495 | void |
ff11dfa1 JB |
496 | update_begin (f) |
497 | FRAME_PTR f; | |
08a24c47 | 498 | { |
ff11dfa1 | 499 | updating_frame = f; |
1820044b | 500 | if (! FRAME_TERMCAP_P (updating_frame)) |
ff11dfa1 | 501 | (*update_begin_hook) (f); |
a168702a GM |
502 | else |
503 | tty_hide_cursor (); | |
08a24c47 JB |
504 | } |
505 | ||
dfcf069d | 506 | void |
ff11dfa1 JB |
507 | update_end (f) |
508 | FRAME_PTR f; | |
08a24c47 | 509 | { |
1820044b | 510 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 511 | { |
7a8e3e30 | 512 | (*update_end_hook) (f); |
cc4ee3c7 | 513 | updating_frame = 0; |
08a24c47 JB |
514 | return; |
515 | } | |
a168702a GM |
516 | |
517 | if (!XWINDOW (selected_window)->cursor_off_p) | |
518 | tty_show_cursor (); | |
519 | ||
08a24c47 JB |
520 | turn_off_insert (); |
521 | background_highlight (); | |
522 | standout_requested = 0; | |
ff11dfa1 | 523 | updating_frame = 0; |
08a24c47 JB |
524 | } |
525 | ||
dfcf069d | 526 | void |
08a24c47 JB |
527 | set_terminal_window (size) |
528 | int size; | |
529 | { | |
1820044b | 530 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
531 | { |
532 | (*set_terminal_window_hook) (size); | |
533 | return; | |
534 | } | |
e52f4e08 | 535 | specified_window = size ? size : FRAME_HEIGHT (XFRAME (selected_frame)); |
08a24c47 JB |
536 | if (!scroll_region_ok) |
537 | return; | |
538 | set_scroll_region (0, specified_window); | |
539 | } | |
540 | ||
dfcf069d | 541 | void |
08a24c47 JB |
542 | set_scroll_region (start, stop) |
543 | int start, stop; | |
544 | { | |
545 | char *buf; | |
e52f4e08 GM |
546 | struct frame *sf = XFRAME (selected_frame); |
547 | ||
08a24c47 JB |
548 | if (TS_set_scroll_region) |
549 | { | |
550 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); | |
551 | } | |
552 | else if (TS_set_scroll_region_1) | |
553 | { | |
554 | buf = tparam (TS_set_scroll_region_1, 0, 0, | |
e52f4e08 GM |
555 | FRAME_HEIGHT (sf), start, |
556 | FRAME_HEIGHT (sf) - stop, | |
557 | FRAME_HEIGHT (sf)); | |
08a24c47 JB |
558 | } |
559 | else | |
560 | { | |
e52f4e08 | 561 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (sf)); |
08a24c47 JB |
562 | } |
563 | OUTPUT (buf); | |
9ac0d9e0 | 564 | xfree (buf); |
08a24c47 JB |
565 | losecursor (); |
566 | } | |
567 | \f | |
dfcf069d | 568 | void |
08a24c47 JB |
569 | turn_on_insert () |
570 | { | |
571 | if (!insert_mode) | |
572 | OUTPUT (TS_insert_mode); | |
573 | insert_mode = 1; | |
574 | } | |
575 | ||
dfcf069d | 576 | void |
08a24c47 JB |
577 | turn_off_insert () |
578 | { | |
579 | if (insert_mode) | |
580 | OUTPUT (TS_end_insert_mode); | |
581 | insert_mode = 0; | |
582 | } | |
583 | \f | |
584 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
585 | In these terminals, output is affected by the value of standout | |
586 | mode when the output is written. | |
587 | ||
588 | These functions are called on all terminals, but do nothing | |
589 | on terminals whose standout mode does not work that way. */ | |
590 | ||
dfcf069d | 591 | void |
08a24c47 JB |
592 | turn_off_highlight () |
593 | { | |
594 | if (TN_standout_width < 0) | |
595 | { | |
596 | if (standout_mode) | |
597 | OUTPUT_IF (TS_end_standout_mode); | |
598 | standout_mode = 0; | |
599 | } | |
600 | } | |
601 | ||
dfcf069d | 602 | void |
08a24c47 JB |
603 | turn_on_highlight () |
604 | { | |
605 | if (TN_standout_width < 0) | |
606 | { | |
607 | if (!standout_mode) | |
608 | OUTPUT_IF (TS_standout_mode); | |
609 | standout_mode = 1; | |
610 | } | |
611 | } | |
612 | ||
a168702a GM |
613 | |
614 | /* Make cursor invisible. */ | |
615 | ||
616 | static void | |
617 | tty_hide_cursor () | |
618 | { | |
619 | OUTPUT_IF (TS_cursor_invisible); | |
620 | } | |
621 | ||
622 | ||
623 | /* Ensure that cursor is visible. */ | |
624 | ||
625 | static void | |
626 | tty_show_cursor () | |
627 | { | |
628 | OUTPUT_IF (TS_cursor_normal); | |
629 | OUTPUT_IF (TS_cursor_visible); | |
630 | } | |
631 | ||
632 | ||
08a24c47 JB |
633 | /* Set standout mode to the state it should be in for |
634 | empty space inside windows. What this is, | |
635 | depends on the user option inverse-video. */ | |
636 | ||
dfcf069d | 637 | void |
08a24c47 JB |
638 | background_highlight () |
639 | { | |
640 | if (TN_standout_width >= 0) | |
641 | return; | |
642 | if (inverse_video) | |
643 | turn_on_highlight (); | |
644 | else | |
645 | turn_off_highlight (); | |
646 | } | |
647 | ||
648 | /* Set standout mode to the mode specified for the text to be output. */ | |
649 | ||
dfcf069d | 650 | static void |
08a24c47 JB |
651 | highlight_if_desired () |
652 | { | |
653 | if (TN_standout_width >= 0) | |
654 | return; | |
655 | if (!inverse_video == !standout_requested) | |
656 | turn_off_highlight (); | |
657 | else | |
658 | turn_on_highlight (); | |
659 | } | |
660 | \f | |
661 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
662 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 663 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
664 | that the marker occupies in memory. Standout runs from the marker |
665 | to the end of the line on some terminals, or to the next | |
666 | turn-off-standout marker (TS_end_standout_mode) string | |
667 | on other terminals. */ | |
668 | ||
669 | /* Write a standout marker or end-standout marker at the front of the line | |
670 | at vertical position vpos. */ | |
671 | ||
dfcf069d | 672 | void |
08a24c47 JB |
673 | write_standout_marker (flag, vpos) |
674 | int flag, vpos; | |
675 | { | |
676 | if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
677 | && !(TF_xs && TN_standout_width == 0))) | |
678 | { | |
679 | cmgoto (vpos, 0); | |
680 | cmplus (TN_standout_width); | |
681 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
682 | chars_wasted[curY] = TN_standout_width | 0100; | |
683 | } | |
684 | } | |
685 | \f | |
686 | /* External interface to control of standout mode. | |
687 | Call this when about to modify line at position VPOS | |
688 | and not change whether it is highlighted. */ | |
689 | ||
dfcf069d | 690 | void |
08a24c47 JB |
691 | reassert_line_highlight (highlight, vpos) |
692 | int highlight; | |
693 | int vpos; | |
694 | { | |
e52f4e08 GM |
695 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
696 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
697 | { |
698 | (*reassert_line_highlight_hook) (highlight, vpos); | |
699 | return; | |
700 | } | |
701 | if (TN_standout_width < 0) | |
702 | /* Handle terminals where standout takes affect at output time */ | |
703 | standout_requested = highlight; | |
a168702a | 704 | else if (chars_wasted && chars_wasted[vpos] == 0) |
08a24c47 JB |
705 | /* For terminals with standout markers, write one on this line |
706 | if there isn't one already. */ | |
707 | write_standout_marker (highlight, vpos); | |
708 | } | |
709 | ||
710 | /* Call this when about to modify line at position VPOS | |
711 | and change whether it is highlighted. */ | |
712 | ||
dfcf069d | 713 | void |
a168702a GM |
714 | change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
715 | int new_highlight, vpos, y, first_unused_hpos; | |
08a24c47 JB |
716 | { |
717 | standout_requested = new_highlight; | |
1820044b | 718 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 719 | { |
a168702a | 720 | (*change_line_highlight_hook) (new_highlight, vpos, y, first_unused_hpos); |
08a24c47 JB |
721 | return; |
722 | } | |
723 | ||
724 | cursor_to (vpos, 0); | |
725 | ||
726 | if (TN_standout_width < 0) | |
727 | background_highlight (); | |
728 | /* If line starts with a marker, delete the marker */ | |
729 | else if (TS_clr_line && chars_wasted[curY]) | |
730 | { | |
731 | turn_off_insert (); | |
732 | /* On Teleray, make sure to erase the SO marker. */ | |
733 | if (TF_teleray) | |
734 | { | |
e52f4e08 | 735 | cmgoto (curY - 1, FRAME_WIDTH (XFRAME (selected_frame)) - 4); |
08a24c47 JB |
736 | OUTPUT ("\033S"); |
737 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
738 | curX = 0; | |
739 | } | |
740 | else | |
741 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
742 | } | |
743 | clear_end_of_line_raw (first_unused_hpos); | |
744 | reassert_line_highlight (new_highlight, curY); | |
745 | } | |
746 | \f | |
747 | ||
a168702a GM |
748 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
749 | frame-relative coordinates. */ | |
08a24c47 | 750 | |
dfcf069d | 751 | void |
a168702a GM |
752 | cursor_to (vpos, hpos) |
753 | int vpos, hpos; | |
08a24c47 | 754 | { |
e52f4e08 GM |
755 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
756 | ||
757 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) | |
08a24c47 | 758 | { |
a168702a | 759 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
760 | return; |
761 | } | |
762 | ||
36cae867 KH |
763 | /* Detect the case where we are called from reset_sys_modes |
764 | and the costs have never been calculated. Do nothing. */ | |
765 | if (chars_wasted == 0) | |
766 | return; | |
767 | ||
a168702a GM |
768 | hpos += chars_wasted[vpos] & 077; |
769 | if (curY == vpos && curX == hpos) | |
08a24c47 JB |
770 | return; |
771 | if (!TF_standout_motion) | |
772 | background_highlight (); | |
773 | if (!TF_insmode_motion) | |
774 | turn_off_insert (); | |
a168702a | 775 | cmgoto (vpos, hpos); |
08a24c47 JB |
776 | } |
777 | ||
778 | /* Similar but don't take any account of the wasted characters. */ | |
779 | ||
dfcf069d | 780 | void |
08a24c47 | 781 | raw_cursor_to (row, col) |
4746118a | 782 | int row, col; |
08a24c47 | 783 | { |
e52f4e08 GM |
784 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
785 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
786 | { |
787 | (*raw_cursor_to_hook) (row, col); | |
788 | return; | |
789 | } | |
790 | if (curY == row && curX == col) | |
791 | return; | |
792 | if (!TF_standout_motion) | |
793 | background_highlight (); | |
794 | if (!TF_insmode_motion) | |
795 | turn_off_insert (); | |
796 | cmgoto (row, col); | |
797 | } | |
798 | \f | |
799 | /* Erase operations */ | |
800 | ||
ff11dfa1 | 801 | /* clear from cursor to end of frame */ |
dfcf069d | 802 | void |
08a24c47 JB |
803 | clear_to_end () |
804 | { | |
805 | register int i; | |
806 | ||
759d9005 | 807 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
808 | { |
809 | (*clear_to_end_hook) (); | |
810 | return; | |
811 | } | |
812 | if (TS_clr_to_bottom) | |
813 | { | |
814 | background_highlight (); | |
815 | OUTPUT (TS_clr_to_bottom); | |
e52f4e08 GM |
816 | bzero (chars_wasted + curY, |
817 | FRAME_HEIGHT (XFRAME (selected_frame)) - curY); | |
08a24c47 JB |
818 | } |
819 | else | |
820 | { | |
e52f4e08 | 821 | for (i = curY; i < FRAME_HEIGHT (XFRAME (selected_frame)); i++) |
08a24c47 JB |
822 | { |
823 | cursor_to (i, 0); | |
e52f4e08 | 824 | clear_end_of_line_raw (FRAME_WIDTH (XFRAME (selected_frame))); |
08a24c47 JB |
825 | } |
826 | } | |
827 | } | |
828 | ||
ff11dfa1 | 829 | /* Clear entire frame */ |
08a24c47 | 830 | |
dfcf069d | 831 | void |
ff11dfa1 | 832 | clear_frame () |
08a24c47 | 833 | { |
e52f4e08 GM |
834 | struct frame *sf = XFRAME (selected_frame); |
835 | ||
ff11dfa1 | 836 | if (clear_frame_hook |
e52f4e08 | 837 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 838 | { |
ff11dfa1 | 839 | (*clear_frame_hook) (); |
08a24c47 JB |
840 | return; |
841 | } | |
ff11dfa1 | 842 | if (TS_clr_frame) |
08a24c47 JB |
843 | { |
844 | background_highlight (); | |
ff11dfa1 | 845 | OUTPUT (TS_clr_frame); |
e52f4e08 | 846 | bzero (chars_wasted, FRAME_HEIGHT (sf)); |
08a24c47 JB |
847 | cmat (0, 0); |
848 | } | |
849 | else | |
850 | { | |
851 | cursor_to (0, 0); | |
852 | clear_to_end (); | |
853 | } | |
854 | } | |
855 | ||
856 | /* Clear to end of line, but do not clear any standout marker. | |
857 | Assumes that the cursor is positioned at a character of real text, | |
858 | which implies it cannot be before a standout marker | |
859 | unless the marker has zero width. | |
860 | ||
861 | Note that the cursor may be moved. */ | |
862 | ||
dfcf069d | 863 | void |
08a24c47 JB |
864 | clear_end_of_line (first_unused_hpos) |
865 | int first_unused_hpos; | |
866 | { | |
e52f4e08 | 867 | if (FRAME_TERMCAP_P (XFRAME (selected_frame)) |
36cae867 | 868 | && chars_wasted != 0 |
08a24c47 | 869 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a168702a | 870 | write_glyphs (&space_glyph, 1); |
08a24c47 JB |
871 | clear_end_of_line_raw (first_unused_hpos); |
872 | } | |
873 | ||
874 | /* Clear from cursor to end of line. | |
875 | Assume that the line is already clear starting at column first_unused_hpos. | |
876 | If the cursor is at a standout marker, erase the marker. | |
877 | ||
878 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
879 | ||
dfcf069d | 880 | void |
08a24c47 JB |
881 | clear_end_of_line_raw (first_unused_hpos) |
882 | int first_unused_hpos; | |
883 | { | |
884 | register int i; | |
885 | ||
886 | if (clear_end_of_line_hook | |
1820044b | 887 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 888 | ? updating_frame |
e52f4e08 | 889 | : XFRAME (selected_frame)))) |
08a24c47 JB |
890 | { |
891 | (*clear_end_of_line_hook) (first_unused_hpos); | |
892 | return; | |
893 | } | |
894 | ||
36cae867 KH |
895 | /* Detect the case where we are called from reset_sys_modes |
896 | and the costs have never been calculated. Do nothing. */ | |
897 | if (chars_wasted == 0) | |
898 | return; | |
899 | ||
08a24c47 JB |
900 | first_unused_hpos += chars_wasted[curY] & 077; |
901 | if (curX >= first_unused_hpos) | |
902 | return; | |
903 | /* Notice if we are erasing a magic cookie */ | |
904 | if (curX == 0) | |
905 | chars_wasted[curY] = 0; | |
906 | background_highlight (); | |
907 | if (TS_clr_line) | |
908 | { | |
909 | OUTPUT1 (TS_clr_line); | |
910 | } | |
911 | else | |
912 | { /* have to do it the hard way */ | |
e52f4e08 | 913 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
914 | turn_off_insert (); |
915 | ||
a168702a | 916 | /* Do not write in last row last col with Auto-wrap on. */ |
e52f4e08 GM |
917 | if (AutoWrap && curY == FRAME_HEIGHT (sf) - 1 |
918 | && first_unused_hpos == FRAME_WIDTH (sf)) | |
08a24c47 JB |
919 | first_unused_hpos--; |
920 | ||
921 | for (i = curX; i < first_unused_hpos; i++) | |
922 | { | |
923 | if (termscript) | |
924 | fputc (' ', termscript); | |
925 | putchar (' '); | |
926 | } | |
927 | cmplus (first_unused_hpos - curX); | |
928 | } | |
929 | } | |
930 | \f | |
a4decb7f KH |
931 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
932 | store them at DST. Do not write more than DST_LEN bytes. That may | |
933 | require stopping before all SRC_LEN input glyphs have been | |
934 | converted. | |
935 | ||
936 | We store the number of glyphs actually converted in *CONSUMED. The | |
937 | return value is the number of bytes store in DST. */ | |
938 | ||
939 | int | |
940 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 941 | struct glyph *src; |
a4decb7f KH |
942 | int src_len; |
943 | unsigned char *dst; | |
944 | int dst_len, *consumed; | |
945 | { | |
a168702a | 946 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 947 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 KH |
948 | register GLYPH g; |
949 | unsigned int c; | |
c7cba11d | 950 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf; |
6589fd67 | 951 | int len; |
a4decb7f KH |
952 | register int tlen = GLYPH_TABLE_LENGTH; |
953 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 954 | int result; |
6589fd67 KH |
955 | struct coding_system *coding; |
956 | ||
957 | coding = (CODING_REQUIRE_ENCODING (&terminal_coding) | |
958 | ? &terminal_coding | |
959 | : &safe_terminal_coding); | |
a4decb7f KH |
960 | |
961 | while (src < src_end) | |
962 | { | |
a4decb7f | 963 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 964 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 965 | { |
32de38e4 KH |
966 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
967 | ||
968 | if (g < 0 || g >= tlen) | |
085d5908 | 969 | { |
32de38e4 KH |
970 | /* This glyph doesn't has an entry in Vglyph_table. */ |
971 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
972 | { | |
973 | len = 1; | |
974 | buf = " "; | |
f2ba40be | 975 | coding->src_multibyte = 0; |
32de38e4 KH |
976 | } |
977 | else | |
978 | { | |
979 | len = CHAR_STRING (src->u.ch, workbuf); | |
980 | buf = workbuf; | |
f2ba40be | 981 | coding->src_multibyte = 1; |
32de38e4 | 982 | } |
085d5908 | 983 | } |
32de38e4 | 984 | else |
a4decb7f | 985 | { |
32de38e4 | 986 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
987 | so process any alias before testing for simpleness. */ |
988 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
989 | |
990 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
991 | { | |
c989b7be KH |
992 | /* We set the multi-byte form of a character in G |
993 | (that should be an ASCII character) at | |
994 | WORKBUF. */ | |
995 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
996 | len = 1; | |
32de38e4 | 997 | buf = workbuf; |
f2ba40be | 998 | coding->src_multibyte = 0; |
32de38e4 KH |
999 | } |
1000 | else | |
1001 | { | |
1002 | /* We have a string in Vglyph_table. */ | |
1003 | len = GLYPH_LENGTH (tbase, g); | |
1004 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 1005 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 1006 | } |
171d7f24 | 1007 | } |
a4decb7f | 1008 | |
f3ac545f | 1009 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 1010 | len -= coding->consumed; |
6589fd67 | 1011 | dst += coding->produced; |
f3ac545f KH |
1012 | if (result == CODING_FINISH_INSUFFICIENT_DST |
1013 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
1014 | && len > dst_end - dst)) | |
1015 | /* The remaining output buffer is too short. We must | |
1016 | break the loop here without increasing SRC so that the | |
1017 | next call of this function starts from the same glyph. */ | |
1018 | break; | |
1019 | ||
c42869c4 KH |
1020 | if (len > 0) |
1021 | { | |
f3ac545f KH |
1022 | /* This is the case that a code of the range 0200..0237 |
1023 | exists in buf. We must just write out such a code. */ | |
1024 | buf += coding->consumed; | |
1025 | while (len--) | |
1026 | *dst++ = *buf++; | |
c42869c4 | 1027 | } |
a4decb7f KH |
1028 | } |
1029 | src++; | |
1030 | } | |
a168702a | 1031 | |
a4decb7f KH |
1032 | *consumed = src - src_start; |
1033 | return (dst - dst_start); | |
1034 | } | |
1035 | ||
08a24c47 | 1036 | |
dfcf069d | 1037 | void |
08a24c47 | 1038 | write_glyphs (string, len) |
a168702a | 1039 | register struct glyph *string; |
08a24c47 JB |
1040 | register int len; |
1041 | { | |
a4decb7f | 1042 | int produced, consumed; |
e52f4e08 GM |
1043 | struct frame *sf = XFRAME (selected_frame); |
1044 | struct frame *f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1045 | |
1046 | if (write_glyphs_hook | |
a168702a | 1047 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
1048 | { |
1049 | (*write_glyphs_hook) (string, len); | |
1050 | return; | |
1051 | } | |
1052 | ||
1053 | highlight_if_desired (); | |
1054 | turn_off_insert (); | |
1055 | ||
a168702a | 1056 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 1057 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
1058 | |
1059 | if (AutoWrap | |
e52f4e08 GM |
1060 | && curY + 1 == FRAME_HEIGHT (sf) |
1061 | && (curX + len - (chars_wasted[curY] & 077) == FRAME_WIDTH (sf))) | |
08a24c47 | 1062 | len --; |
a4decb7f KH |
1063 | if (len <= 0) |
1064 | return; | |
08a24c47 JB |
1065 | |
1066 | cmplus (len); | |
a168702a | 1067 | |
6589fd67 KH |
1068 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
1069 | the tail. */ | |
1070 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
a168702a | 1071 | |
a4decb7f | 1072 | while (len > 0) |
08a24c47 | 1073 | { |
a168702a | 1074 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 1075 | int face_id = string->face_id; |
a168702a GM |
1076 | int n; |
1077 | ||
1078 | for (n = 1; n < len; ++n) | |
32de38e4 | 1079 | if (string[n].face_id != face_id) |
a168702a GM |
1080 | break; |
1081 | ||
1082 | /* Turn appearance modes of the face of the run on. */ | |
1083 | turn_on_face (f, face_id); | |
1084 | ||
1085 | while (n > 0) | |
08a24c47 | 1086 | { |
a168702a GM |
1087 | /* We use a shared conversion buffer of the current size |
1088 | (1024 bytes at least). Usually it is sufficient, but if | |
1089 | not, we just repeat the loop. */ | |
1090 | produced = encode_terminal_code (string, conversion_buffer, | |
1091 | n, conversion_buffer_size, | |
1092 | &consumed); | |
1093 | if (produced > 0) | |
1094 | { | |
1095 | fwrite (conversion_buffer, 1, produced, stdout); | |
1096 | if (ferror (stdout)) | |
1097 | clearerr (stdout); | |
1098 | if (termscript) | |
1099 | fwrite (conversion_buffer, 1, produced, termscript); | |
1100 | } | |
1101 | len -= consumed; | |
1102 | n -= consumed; | |
1103 | string += consumed; | |
08a24c47 | 1104 | } |
a168702a GM |
1105 | |
1106 | /* Turn appearance modes off. */ | |
1107 | turn_off_face (f, face_id); | |
a4decb7f | 1108 | } |
a168702a | 1109 | |
a4decb7f | 1110 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 1111 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 1112 | { |
6589fd67 | 1113 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 1114 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
1115 | 0, conversion_buffer_size); |
1116 | if (terminal_coding.produced > 0) | |
df8bf431 | 1117 | { |
6589fd67 | 1118 | fwrite (conversion_buffer, 1, terminal_coding.produced, stdout); |
df8bf431 KH |
1119 | if (ferror (stdout)) |
1120 | clearerr (stdout); | |
1121 | if (termscript) | |
6589fd67 KH |
1122 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
1123 | termscript); | |
df8bf431 | 1124 | } |
08a24c47 | 1125 | } |
a168702a | 1126 | |
9a6b6f92 | 1127 | cmcheckmagic (); |
08a24c47 JB |
1128 | } |
1129 | ||
1130 | /* If start is zero, insert blanks instead of a string at start */ | |
1131 | ||
dfcf069d | 1132 | void |
08a24c47 | 1133 | insert_glyphs (start, len) |
a168702a | 1134 | register struct glyph *start; |
08a24c47 JB |
1135 | register int len; |
1136 | { | |
1137 | char *buf; | |
32de38e4 | 1138 | struct glyph *glyph; |
e52f4e08 | 1139 | struct frame *f, *sf; |
08a24c47 | 1140 | |
a4decb7f KH |
1141 | if (len <= 0) |
1142 | return; | |
1143 | ||
a168702a | 1144 | if (insert_glyphs_hook) |
08a24c47 JB |
1145 | { |
1146 | (*insert_glyphs_hook) (start, len); | |
1147 | return; | |
1148 | } | |
a168702a | 1149 | |
e52f4e08 GM |
1150 | sf = XFRAME (selected_frame); |
1151 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1152 | highlight_if_desired (); |
1153 | ||
1154 | if (TS_ins_multi_chars) | |
1155 | { | |
1156 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1157 | OUTPUT1 (buf); | |
9ac0d9e0 | 1158 | xfree (buf); |
08a24c47 JB |
1159 | if (start) |
1160 | write_glyphs (start, len); | |
1161 | return; | |
1162 | } | |
1163 | ||
1164 | turn_on_insert (); | |
1165 | cmplus (len); | |
6589fd67 KH |
1166 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
1167 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 1168 | while (len-- > 0) |
08a24c47 | 1169 | { |
a4decb7f KH |
1170 | int produced, consumed; |
1171 | ||
08a24c47 JB |
1172 | OUTPUT1_IF (TS_ins_char); |
1173 | if (!start) | |
32de38e4 KH |
1174 | { |
1175 | conversion_buffer[0] = SPACEGLYPH; | |
1176 | produced = 1; | |
1177 | } | |
08a24c47 | 1178 | else |
08a24c47 | 1179 | { |
32de38e4 | 1180 | turn_on_face (f, start->face_id); |
816be8b8 | 1181 | glyph = start; |
a168702a | 1182 | ++start; |
a4decb7f KH |
1183 | /* We must open sufficient space for a character which |
1184 | occupies more than one column. */ | |
a168702a | 1185 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1186 | { |
1187 | OUTPUT1_IF (TS_ins_char); | |
1188 | start++, len--; | |
1189 | } | |
a4decb7f | 1190 | |
32de38e4 KH |
1191 | if (len <= 0) |
1192 | /* This is the last glyph. */ | |
1193 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
1194 | ||
1195 | /* We use shared conversion buffer of the current size (1024 | |
1196 | bytes at least). It is surely sufficient for just one glyph. */ | |
816be8b8 | 1197 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
1198 | conversion_buffer_size, &consumed); |
1199 | } | |
a4decb7f | 1200 | |
a4decb7f | 1201 | if (produced > 0) |
08a24c47 | 1202 | { |
a4decb7f | 1203 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
1204 | if (ferror (stdout)) |
1205 | clearerr (stdout); | |
1206 | if (termscript) | |
a4decb7f | 1207 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
1208 | } |
1209 | ||
9a6b6f92 | 1210 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 KH |
1211 | if (start) |
1212 | turn_off_face (f, glyph->face_id); | |
9a6b6f92 | 1213 | } |
a168702a | 1214 | |
9a6b6f92 | 1215 | cmcheckmagic (); |
08a24c47 JB |
1216 | } |
1217 | ||
dfcf069d | 1218 | void |
08a24c47 JB |
1219 | delete_glyphs (n) |
1220 | register int n; | |
1221 | { | |
1222 | char *buf; | |
1223 | register int i; | |
1224 | ||
1820044b | 1225 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1226 | { |
1227 | (*delete_glyphs_hook) (n); | |
1228 | return; | |
1229 | } | |
1230 | ||
1231 | if (delete_in_insert_mode) | |
1232 | { | |
1233 | turn_on_insert (); | |
1234 | } | |
1235 | else | |
1236 | { | |
1237 | turn_off_insert (); | |
1238 | OUTPUT_IF (TS_delete_mode); | |
1239 | } | |
1240 | ||
1241 | if (TS_del_multi_chars) | |
1242 | { | |
1243 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1244 | OUTPUT1 (buf); | |
9ac0d9e0 | 1245 | xfree (buf); |
08a24c47 JB |
1246 | } |
1247 | else | |
1248 | for (i = 0; i < n; i++) | |
1249 | OUTPUT1 (TS_del_char); | |
1250 | if (!delete_in_insert_mode) | |
1251 | OUTPUT_IF (TS_end_delete_mode); | |
1252 | } | |
1253 | \f | |
1254 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1255 | ||
dfcf069d | 1256 | void |
08a24c47 JB |
1257 | ins_del_lines (vpos, n) |
1258 | int vpos, n; | |
1259 | { | |
1260 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1261 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1262 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1263 | struct frame *sf; |
08a24c47 JB |
1264 | |
1265 | register int i = n > 0 ? n : -n; | |
1266 | register char *buf; | |
1267 | ||
1820044b | 1268 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1269 | { |
1270 | (*ins_del_lines_hook) (vpos, n); | |
1271 | return; | |
1272 | } | |
1273 | ||
e52f4e08 GM |
1274 | sf = XFRAME (selected_frame); |
1275 | ||
08a24c47 JB |
1276 | /* If the lines below the insertion are being pushed |
1277 | into the end of the window, this is the same as clearing; | |
1278 | and we know the lines are already clear, since the matching | |
1279 | deletion has already been done. So can ignore this. */ | |
1280 | /* If the lines below the deletion are blank lines coming | |
1281 | out of the end of the window, don't bother, | |
1282 | as there will be a matching inslines later that will flush them. */ | |
1283 | if (scroll_region_ok && vpos + i >= specified_window) | |
1284 | return; | |
e52f4e08 | 1285 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (sf)) |
08a24c47 JB |
1286 | return; |
1287 | ||
1288 | if (multi) | |
1289 | { | |
1290 | raw_cursor_to (vpos, 0); | |
1291 | background_highlight (); | |
1292 | buf = tparam (multi, 0, 0, i); | |
1293 | OUTPUT (buf); | |
9ac0d9e0 | 1294 | xfree (buf); |
08a24c47 JB |
1295 | } |
1296 | else if (single) | |
1297 | { | |
1298 | raw_cursor_to (vpos, 0); | |
1299 | background_highlight (); | |
1300 | while (--i >= 0) | |
1301 | OUTPUT (single); | |
1302 | if (TF_teleray) | |
1303 | curX = 0; | |
1304 | } | |
1305 | else | |
1306 | { | |
1307 | set_scroll_region (vpos, specified_window); | |
1308 | if (n < 0) | |
1309 | raw_cursor_to (specified_window - 1, 0); | |
1310 | else | |
1311 | raw_cursor_to (vpos, 0); | |
1312 | background_highlight (); | |
1313 | while (--i >= 0) | |
1314 | OUTPUTL (scroll, specified_window - vpos); | |
1315 | set_scroll_region (0, specified_window); | |
1316 | } | |
1317 | ||
1318 | if (TN_standout_width >= 0) | |
1319 | { | |
dfcf069d | 1320 | register int lower_limit |
08a24c47 JB |
1321 | = (scroll_region_ok |
1322 | ? specified_window | |
e52f4e08 | 1323 | : FRAME_HEIGHT (sf)); |
08a24c47 JB |
1324 | |
1325 | if (n < 0) | |
1326 | { | |
1327 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1328 | lower_limit - vpos + n); | |
1329 | bzero (&chars_wasted[lower_limit + n], - n); | |
1330 | } | |
1331 | else | |
1332 | { | |
1333 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1334 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1335 | lower_limit - vpos - n); | |
1336 | bzero (&chars_wasted[vpos], n); | |
1337 | } | |
1338 | } | |
ff11dfa1 | 1339 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1340 | { |
e52f4e08 | 1341 | cursor_to (FRAME_HEIGHT (sf) + n, 0); |
08a24c47 JB |
1342 | clear_to_end (); |
1343 | } | |
1344 | } | |
1345 | \f | |
1346 | /* Compute cost of sending "str", in characters, | |
1347 | not counting any line-dependent padding. */ | |
1348 | ||
1349 | int | |
1350 | string_cost (str) | |
1351 | char *str; | |
1352 | { | |
1353 | cost = 0; | |
1354 | if (str) | |
1355 | tputs (str, 0, evalcost); | |
1356 | return cost; | |
1357 | } | |
1358 | ||
1359 | /* Compute cost of sending "str", in characters, | |
1360 | counting any line-dependent padding at one line. */ | |
1361 | ||
1362 | static int | |
1363 | string_cost_one_line (str) | |
1364 | char *str; | |
1365 | { | |
1366 | cost = 0; | |
1367 | if (str) | |
1368 | tputs (str, 1, evalcost); | |
1369 | return cost; | |
1370 | } | |
1371 | ||
1372 | /* Compute per line amount of line-dependent padding, | |
1373 | in tenths of characters. */ | |
1374 | ||
1375 | int | |
1376 | per_line_cost (str) | |
1377 | register char *str; | |
1378 | { | |
1379 | cost = 0; | |
1380 | if (str) | |
1381 | tputs (str, 0, evalcost); | |
1382 | cost = - cost; | |
1383 | if (str) | |
1384 | tputs (str, 10, evalcost); | |
1385 | return cost; | |
1386 | } | |
1387 | ||
1388 | #ifndef old | |
1389 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1390 | char_ins_del_cost[-n] is cost of deleting N characters. |
1391 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1392 | |
1393 | int *char_ins_del_vector; | |
1394 | ||
ff11dfa1 | 1395 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1396 | #endif |
1397 | ||
1398 | /* ARGSUSED */ | |
1399 | static void | |
ff11dfa1 JB |
1400 | calculate_ins_del_char_costs (frame) |
1401 | FRAME_PTR frame; | |
08a24c47 JB |
1402 | { |
1403 | int ins_startup_cost, del_startup_cost; | |
1404 | int ins_cost_per_char, del_cost_per_char; | |
1405 | register int i; | |
1406 | register int *p; | |
1407 | ||
1408 | if (TS_ins_multi_chars) | |
1409 | { | |
1410 | ins_cost_per_char = 0; | |
1411 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1412 | } | |
1413 | else if (TS_ins_char || TS_pad_inserted_char | |
1414 | || (TS_insert_mode && TS_end_insert_mode)) | |
1415 | { | |
1416 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1417 | + string_cost (TS_end_insert_mode))) / 100; | |
1418 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1419 | + string_cost_one_line (TS_pad_inserted_char)); | |
1420 | } | |
1421 | else | |
1422 | { | |
1423 | ins_startup_cost = 9999; | |
1424 | ins_cost_per_char = 0; | |
1425 | } | |
1426 | ||
1427 | if (TS_del_multi_chars) | |
1428 | { | |
1429 | del_cost_per_char = 0; | |
1430 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1431 | } | |
1432 | else if (TS_del_char) | |
1433 | { | |
1434 | del_startup_cost = (string_cost (TS_delete_mode) | |
1435 | + string_cost (TS_end_delete_mode)); | |
1436 | if (delete_in_insert_mode) | |
1437 | del_startup_cost /= 2; | |
1438 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1439 | } | |
1440 | else | |
1441 | { | |
1442 | del_startup_cost = 9999; | |
1443 | del_cost_per_char = 0; | |
1444 | } | |
1445 | ||
1446 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1447 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1448 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1449 | *--p = (del_startup_cost += del_cost_per_char); |
1450 | ||
1451 | /* Doing nothing is free */ | |
ff11dfa1 | 1452 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1453 | *p++ = 0; |
1454 | ||
1455 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1456 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1457 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1458 | } | |
1459 | ||
dfcf069d | 1460 | void |
ff11dfa1 JB |
1461 | calculate_costs (frame) |
1462 | FRAME_PTR frame; | |
08a24c47 | 1463 | { |
9f732a77 RS |
1464 | register char *f = (TS_set_scroll_region |
1465 | ? TS_set_scroll_region | |
1466 | : TS_set_scroll_region_1); | |
08a24c47 | 1467 | |
9f732a77 | 1468 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1469 | |
be7cd44f | 1470 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1471 | |
1472 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1473 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1474 | |
1475 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1476 | X turns off char_ins_del_ok. | |
1477 | ||
1478 | chars_wasted and copybuf are only used here in term.c in cases where | |
1479 | the term hook isn't called. */ | |
1480 | ||
8dd0c7cb RS |
1481 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1482 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1483 | ||
08a24c47 | 1484 | if (chars_wasted != 0) |
8dd0c7cb | 1485 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1486 | else |
8dd0c7cb | 1487 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1488 | |
1489 | if (copybuf != 0) | |
8dd0c7cb | 1490 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1491 | else |
8dd0c7cb | 1492 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1493 | |
1494 | if (char_ins_del_vector != 0) | |
1495 | char_ins_del_vector | |
1496 | = (int *) xrealloc (char_ins_del_vector, | |
1497 | (sizeof (int) | |
8dd0c7cb | 1498 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1499 | else |
1500 | char_ins_del_vector | |
1501 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1502 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1503 | |
8dd0c7cb RS |
1504 | bzero (chars_wasted, max_frame_height); |
1505 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1506 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1507 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1508 | |
ff11dfa1 JB |
1509 | if (f && (!TS_ins_line && !TS_del_line)) |
1510 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1511 | TS_rev_scroll, TS_ins_multi_lines, |
1512 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1513 | f, f, 1); |
08a24c47 | 1514 | else |
ff11dfa1 | 1515 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1516 | TS_ins_line, TS_ins_multi_lines, |
1517 | TS_del_line, TS_del_multi_lines, | |
1518 | 0, 0, 1); | |
1519 | ||
ff11dfa1 | 1520 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1521 | |
1522 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1523 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1524 | RPov = string_cost (TS_repeat); | |
1525 | else | |
ff11dfa1 | 1526 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1527 | |
1528 | cmcostinit (); /* set up cursor motion costs */ | |
1529 | } | |
1530 | \f | |
a796ac82 JB |
1531 | struct fkey_table { |
1532 | char *cap, *name; | |
1533 | }; | |
1534 | ||
01d8deb0 ER |
1535 | /* Termcap capability names that correspond directly to X keysyms. |
1536 | Some of these (marked "terminfo") aren't supplied by old-style | |
1537 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1538 | except we put the keypad keys first, so that if they clash with | |
1539 | other keys (as on the IBM PC keyboard) they get overridden. | |
1540 | */ | |
1541 | ||
a168702a GM |
1542 | static struct fkey_table keys[] = |
1543 | { | |
01d8deb0 ER |
1544 | "kh", "home", /* termcap */ |
1545 | "kl", "left", /* termcap */ | |
1546 | "ku", "up", /* termcap */ | |
1547 | "kr", "right", /* termcap */ | |
1548 | "kd", "down", /* termcap */ | |
1549 | "%8", "prior", /* terminfo */ | |
1550 | "%5", "next", /* terminfo */ | |
1551 | "@7", "end", /* terminfo */ | |
1552 | "@1", "begin", /* terminfo */ | |
1553 | "*6", "select", /* terminfo */ | |
1554 | "%9", "print", /* terminfo */ | |
1555 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1556 | /* | |
1557 | * "insert" --- see below | |
1558 | */ | |
1559 | "&8", "undo", /* terminfo */ | |
1560 | "%0", "redo", /* terminfo */ | |
1561 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1562 | "@0", "find", /* terminfo */ | |
1563 | "@2", "cancel", /* terminfo */ | |
1564 | "%1", "help", /* terminfo */ | |
1565 | /* | |
1566 | * "break" goes here, but can't be reliably intercepted with termcap | |
1567 | */ | |
1568 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1569 | /* | |
1570 | * "system" and "user" --- no termcaps | |
1571 | */ | |
1572 | "kE", "clearline", /* terminfo */ | |
1573 | "kA", "insertline", /* terminfo */ | |
1574 | "kL", "deleteline", /* terminfo */ | |
1575 | "kI", "insertchar", /* terminfo */ | |
1576 | "kD", "deletechar", /* terminfo */ | |
1577 | "kB", "backtab", /* terminfo */ | |
1578 | /* | |
1579 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1580 | */ | |
1581 | "@8", "kp-enter", /* terminfo */ | |
1582 | /* | |
1583 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1584 | * "kp-multiply", "kp-add", "kp-separator", | |
1585 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1586 | * --- no termcaps for any of these. | |
1587 | */ | |
1588 | "K4", "kp-1", /* terminfo */ | |
1589 | /* | |
1590 | * "kp-2" --- no termcap | |
1591 | */ | |
1592 | "K5", "kp-3", /* terminfo */ | |
1593 | /* | |
1594 | * "kp-4" --- no termcap | |
1595 | */ | |
1596 | "K2", "kp-5", /* terminfo */ | |
1597 | /* | |
1598 | * "kp-6" --- no termcap | |
1599 | */ | |
1600 | "K1", "kp-7", /* terminfo */ | |
1601 | /* | |
1602 | * "kp-8" --- no termcap | |
1603 | */ | |
1604 | "K3", "kp-9", /* terminfo */ | |
1605 | /* | |
1606 | * "kp-equal" --- no termcap | |
1607 | */ | |
1608 | "k1", "f1", | |
1609 | "k2", "f2", | |
1610 | "k3", "f3", | |
1611 | "k4", "f4", | |
1612 | "k5", "f5", | |
1613 | "k6", "f6", | |
1614 | "k7", "f7", | |
1615 | "k8", "f8", | |
1616 | "k9", "f9", | |
a796ac82 JB |
1617 | }; |
1618 | ||
f2a00342 RM |
1619 | static char **term_get_fkeys_arg; |
1620 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1621 | |
01d8deb0 ER |
1622 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1623 | This function scans the termcap function key sequence entries, and | |
1624 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1625 | ||
5c2c7893 JB |
1626 | void |
1627 | term_get_fkeys (address) | |
1628 | char **address; | |
f2a00342 RM |
1629 | { |
1630 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1631 | errors during the call. The only errors should be from Fdefine_key | |
1632 | when given a key sequence containing an invalid prefix key. If the | |
1633 | termcap defines function keys which use a prefix that is already bound | |
1634 | to a command by the default bindings, we should silently ignore that | |
1635 | function key specification, rather than giving the user an error and | |
1636 | refusing to run at all on such a terminal. */ | |
1637 | ||
1638 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1639 | term_get_fkeys_arg = address; |
1640 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1641 | } | |
1642 | ||
1643 | static Lisp_Object | |
1644 | term_get_fkeys_1 () | |
5c2c7893 | 1645 | { |
5c2c7893 JB |
1646 | int i; |
1647 | ||
37085233 | 1648 | char **address = term_get_fkeys_arg; |
f778aff2 | 1649 | |
3e65092f RS |
1650 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1651 | if (!initialized) | |
1652 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1653 | ||
5c2c7893 JB |
1654 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1655 | { | |
1656 | char *sequence = tgetstr (keys[i].cap, address); | |
1657 | if (sequence) | |
f2a00342 RM |
1658 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1659 | Fmake_vector (make_number (1), | |
1660 | intern (keys[i].name))); | |
5c2c7893 | 1661 | } |
a796ac82 JB |
1662 | |
1663 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1664 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1665 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1666 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1667 | */ | |
1668 | { | |
1669 | char *k_semi = tgetstr ("k;", address); | |
1670 | char *k0 = tgetstr ("k0", address); | |
1671 | char *k0_name = "f10"; | |
1672 | ||
1673 | if (k_semi) | |
1674 | { | |
f2a00342 RM |
1675 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1676 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1677 | k0_name = "f0"; |
1678 | } | |
1679 | ||
1680 | if (k0) | |
f2a00342 RM |
1681 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1682 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1683 | } |
01d8deb0 ER |
1684 | |
1685 | /* Set up cookies for numbered function keys above f10. */ | |
1686 | { | |
1687 | char fcap[3], fkey[4]; | |
1688 | ||
fc4f24da | 1689 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1690 | for (i = 11; i < 64; i++) |
1691 | { | |
1692 | if (i <= 19) | |
1693 | fcap[1] = '1' + i - 11; | |
1694 | else if (i <= 45) | |
b59ab95c | 1695 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1696 | else |
b59ab95c | 1697 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1698 | |
fc4f24da RS |
1699 | { |
1700 | char *sequence = tgetstr (fcap, address); | |
1701 | if (sequence) | |
1702 | { | |
465db27b | 1703 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1704 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1705 | Fmake_vector (make_number (1), | |
1706 | intern (fkey))); | |
fc4f24da RS |
1707 | } |
1708 | } | |
01d8deb0 ER |
1709 | } |
1710 | } | |
1711 | ||
1712 | /* | |
1713 | * Various mappings to try and get a better fit. | |
1714 | */ | |
1715 | { | |
fc4f24da RS |
1716 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1717 | if (!tgetstr (cap1, address)) \ | |
1718 | { \ | |
1719 | char *sequence = tgetstr (cap2, address); \ | |
1720 | if (sequence) \ | |
f2a00342 RM |
1721 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1722 | Fmake_vector (make_number (1), \ | |
1723 | intern (sym))); \ | |
fc4f24da | 1724 | } |
01d8deb0 ER |
1725 | |
1726 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1727 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1728 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1729 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1730 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1731 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1732 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1733 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1734 | |
1735 | /* IBM has their own non-standard dialect of terminfo. | |
1736 | If the standard name isn't found, try the IBM name. */ | |
1737 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1738 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1739 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1740 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1741 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1742 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1743 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1744 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1745 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1746 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1747 | } |
a168702a GM |
1748 | |
1749 | return Qnil; | |
5c2c7893 JB |
1750 | } |
1751 | ||
1752 | \f | |
a168702a GM |
1753 | /*********************************************************************** |
1754 | Character Display Information | |
1755 | ***********************************************************************/ | |
1756 | ||
1757 | static void append_glyph P_ ((struct it *)); | |
1758 | ||
1759 | ||
1760 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1761 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1762 | for which to produce glyphs; IT->face_id contains the character's | |
1763 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1764 | 1. */ | |
1765 | ||
1766 | static void | |
1767 | append_glyph (it) | |
1768 | struct it *it; | |
1769 | { | |
1770 | struct glyph *glyph, *end; | |
1771 | int i; | |
1772 | ||
1773 | xassert (it->glyph_row); | |
1774 | glyph = (it->glyph_row->glyphs[it->area] | |
1775 | + it->glyph_row->used[it->area]); | |
1776 | end = it->glyph_row->glyphs[1 + it->area]; | |
1777 | ||
1778 | for (i = 0; | |
1779 | i < it->pixel_width && glyph < end; | |
1780 | ++i) | |
1781 | { | |
1782 | glyph->type = CHAR_GLYPH; | |
1783 | glyph->pixel_width = 1; | |
32de38e4 KH |
1784 | glyph->u.ch = it->c; |
1785 | glyph->face_id = it->face_id; | |
1786 | glyph->padding_p = i > 0; | |
a168702a GM |
1787 | glyph->charpos = CHARPOS (it->position); |
1788 | glyph->object = it->object; | |
1789 | ||
1790 | ++it->glyph_row->used[it->area]; | |
1791 | ++glyph; | |
1792 | } | |
1793 | } | |
1794 | ||
1795 | ||
1796 | /* Produce glyphs for the display element described by IT. The | |
1797 | function fills output fields of IT with pixel information like the | |
1798 | pixel width and height of a character, and maybe produces glyphs at | |
1799 | the same time if IT->glyph_row is non-null. See the explanation of | |
1800 | struct display_iterator in dispextern.h for an overview. */ | |
1801 | ||
1802 | void | |
1803 | produce_glyphs (it) | |
1804 | struct it *it; | |
1805 | { | |
1806 | /* If a hook is installed, let it do the work. */ | |
1807 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1808 | || it->what == IT_COMPOSITION |
a168702a GM |
1809 | || it->what == IT_IMAGE |
1810 | || it->what == IT_STRETCH); | |
1811 | ||
c7cba11d KH |
1812 | /* Nothing but characters are supported on terminal frames. For a |
1813 | composition sequence, it->c is the first character of the | |
1814 | sequence. */ | |
1815 | xassert (it->what == IT_CHARACTER | |
1816 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1817 | |
1818 | if (it->c >= 040 && it->c < 0177) | |
1819 | { | |
1820 | it->pixel_width = it->nglyphs = 1; | |
1821 | if (it->glyph_row) | |
1822 | append_glyph (it); | |
1823 | } | |
1824 | else if (it->c == '\n') | |
1825 | it->pixel_width = it->nglyphs = 0; | |
1826 | else if (it->c == '\t') | |
1827 | { | |
2efdbcdd | 1828 | int absolute_x = (it->current_x |
a168702a GM |
1829 | + it->continuation_lines_width); |
1830 | int next_tab_x | |
1831 | = (((1 + absolute_x + it->tab_width - 1) | |
1832 | / it->tab_width) | |
1833 | * it->tab_width); | |
1834 | int nspaces; | |
1835 | ||
1836 | /* If part of the TAB has been displayed on the previous line | |
1837 | which is continued now, continuation_lines_width will have | |
1838 | been incremented already by the part that fitted on the | |
1839 | continued line. So, we will get the right number of spaces | |
1840 | here. */ | |
1841 | nspaces = next_tab_x - absolute_x; | |
1842 | ||
1843 | if (it->glyph_row) | |
1844 | { | |
1845 | int n = nspaces; | |
1846 | ||
1847 | it->c = ' '; | |
1848 | it->pixel_width = it->len = 1; | |
1849 | ||
1850 | while (n--) | |
1851 | append_glyph (it); | |
1852 | ||
1853 | it->c = '\t'; | |
1854 | } | |
1855 | ||
1856 | it->pixel_width = nspaces; | |
1857 | it->nglyphs = nspaces; | |
1858 | } | |
1859 | else | |
1860 | { | |
c7cba11d KH |
1861 | /* A multi-byte character. The display width is fixed for all |
1862 | characters of the set. Some of the glyphs may have to be | |
1863 | ignored because they are already displayed in a continued | |
1864 | line. */ | |
a168702a GM |
1865 | int charset = CHAR_CHARSET (it->c); |
1866 | ||
c7cba11d | 1867 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a GM |
1868 | it->nglyphs = it->pixel_width; |
1869 | ||
1870 | if (it->glyph_row) | |
1871 | append_glyph (it); | |
1872 | } | |
1873 | ||
1874 | /* Advance current_x by the pixel width as a convenience for | |
1875 | the caller. */ | |
1876 | if (it->area == TEXT_AREA) | |
1877 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1878 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1879 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1880 | } |
1881 | ||
1882 | ||
1883 | /* Get information about special display element WHAT in an | |
1884 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1885 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1886 | non-null glyph_row member. This function ensures that fields like | |
1887 | face_id, c, len of IT are left untouched. */ | |
1888 | ||
1889 | void | |
1890 | produce_special_glyphs (it, what) | |
1891 | struct it *it; | |
1892 | enum display_element_type what; | |
1893 | { | |
1894 | struct it temp_it; | |
1895 | ||
1896 | temp_it = *it; | |
1897 | temp_it.dp = NULL; | |
1898 | temp_it.what = IT_CHARACTER; | |
1899 | temp_it.len = 1; | |
7c752c80 | 1900 | temp_it.object = make_number (0); |
a168702a GM |
1901 | bzero (&temp_it.current, sizeof temp_it.current); |
1902 | ||
1903 | if (what == IT_CONTINUATION) | |
1904 | { | |
1905 | /* Continuation glyph. */ | |
1906 | if (it->dp | |
1907 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1908 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1909 | { | |
1910 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1911 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1912 | } |
1913 | else | |
1914 | temp_it.c = '\\'; | |
1915 | ||
1916 | produce_glyphs (&temp_it); | |
1917 | it->pixel_width = temp_it.pixel_width; | |
1918 | it->nglyphs = temp_it.pixel_width; | |
1919 | } | |
1920 | else if (what == IT_TRUNCATION) | |
1921 | { | |
1922 | /* Truncation glyph. */ | |
1923 | if (it->dp | |
1924 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1925 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1926 | { | |
1927 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1928 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1929 | } |
1930 | else | |
1931 | temp_it.c = '$'; | |
1932 | ||
1933 | produce_glyphs (&temp_it); | |
1934 | it->pixel_width = temp_it.pixel_width; | |
1935 | it->nglyphs = temp_it.pixel_width; | |
1936 | } | |
1937 | else | |
1938 | abort (); | |
1939 | } | |
1940 | ||
1941 | ||
1942 | /* Return an estimation of the pixel height of mode or top lines on | |
1943 | frame F. FACE_ID specifies what line's height to estimate. */ | |
1944 | ||
1945 | int | |
1946 | estimate_mode_line_height (f, face_id) | |
1947 | struct frame *f; | |
1948 | enum face_id face_id; | |
1949 | { | |
1950 | if (estimate_mode_line_height_hook) | |
1951 | return estimate_mode_line_height_hook (f, face_id); | |
1952 | else | |
1953 | return 1; | |
1954 | } | |
1955 | ||
1956 | ||
1957 | \f | |
1958 | /*********************************************************************** | |
1959 | Faces | |
1960 | ***********************************************************************/ | |
1961 | ||
4e6ba4a4 GM |
1962 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1963 | one of the enumerators from enum no_color_bit, or a bit set built | |
1964 | from them. Some display attributes may not be used together with | |
1965 | color; the termcap capability `NC' specifies which ones. */ | |
1966 | ||
1967 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
1968 | (TN_max_colors > 0 \ | |
1969 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
1970 | : 1) | |
a168702a GM |
1971 | |
1972 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
1973 | ||
1974 | static void | |
1975 | turn_on_face (f, face_id) | |
1976 | struct frame *f; | |
1977 | int face_id; | |
1978 | { | |
1979 | struct face *face = FACE_FROM_ID (f, face_id); | |
1980 | ||
1981 | xassert (face != NULL); | |
1982 | ||
1983 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
1984 | { |
1985 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
1986 | OUTPUT1_IF (TS_enter_bold_mode); | |
1987 | } | |
a168702a | 1988 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
1989 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
1990 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
1991 | |
1992 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
1993 | if (face->tty_alt_charset_p |
1994 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
1995 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
1996 | ||
4e6ba4a4 GM |
1997 | if (face->tty_blinking_p |
1998 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
1999 | OUTPUT1_IF (TS_enter_blink_mode); |
2000 | ||
2001 | if (face->tty_underline_p | |
2002 | /* Don't underline if that's difficult. */ | |
4e6ba4a4 GM |
2003 | && TN_magic_cookie_glitch_ul <= 0 |
2004 | && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) | |
a168702a GM |
2005 | OUTPUT1_IF (TS_enter_underline_mode); |
2006 | ||
4e6ba4a4 GM |
2007 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) |
2008 | if (face->tty_reverse_p | |
2009 | || face->foreground == FACE_TTY_DEFAULT_BG_COLOR | |
2010 | || face->background == FACE_TTY_DEFAULT_FG_COLOR) | |
2011 | OUTPUT1_IF (TS_enter_reverse_mode); | |
a168702a GM |
2012 | |
2013 | if (TN_max_colors > 0) | |
2014 | { | |
2015 | char *p; | |
2016 | ||
2017 | if (face->foreground != FACE_TTY_DEFAULT_COLOR | |
f9d2fdc4 EZ |
2018 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
2019 | && face->foreground != FACE_TTY_DEFAULT_BG_COLOR | |
a168702a GM |
2020 | && TS_set_foreground) |
2021 | { | |
2022 | p = tparam (TS_set_foreground, NULL, 0, (int) face->foreground); | |
2023 | OUTPUT (p); | |
2024 | xfree (p); | |
2025 | } | |
2026 | ||
2027 | if (face->background != FACE_TTY_DEFAULT_COLOR | |
f9d2fdc4 EZ |
2028 | && face->background != FACE_TTY_DEFAULT_BG_COLOR |
2029 | && face->background != FACE_TTY_DEFAULT_FG_COLOR | |
a168702a GM |
2030 | && TS_set_background) |
2031 | { | |
2032 | p = tparam (TS_set_background, NULL, 0, (int) face->background); | |
2033 | OUTPUT (p); | |
2034 | xfree (p); | |
2035 | } | |
2036 | } | |
2037 | } | |
2038 | ||
2039 | ||
2040 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2041 | ||
2042 | static void | |
2043 | turn_off_face (f, face_id) | |
2044 | struct frame *f; | |
2045 | int face_id; | |
2046 | { | |
2047 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2048 | |
2049 | xassert (face != NULL); | |
2050 | ||
2051 | if (TS_exit_attribute_mode) | |
2052 | { | |
2053 | /* Capability "me" will turn off appearance modes double-bright, | |
2054 | half-bright, reverse-video, standout, underline. It may or | |
2055 | may not turn off alt-char-mode. */ | |
2056 | if (face->tty_bold_p | |
2057 | || face->tty_dim_p | |
2058 | || face->tty_reverse_p | |
2059 | || face->tty_alt_charset_p | |
2060 | || face->tty_blinking_p | |
2061 | || face->tty_underline_p) | |
2062 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2063 | ||
2064 | if (face->tty_alt_charset_p) | |
2065 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2066 | } | |
2067 | else | |
2068 | { | |
2069 | /* If we don't have "me" we can only have those appearances | |
2070 | that have exit sequences defined. */ | |
2071 | if (face->tty_alt_charset_p) | |
2072 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2073 | ||
2074 | if (face->tty_underline_p | |
2075 | /* We don't underline if that's difficult. */ | |
2076 | && TN_magic_cookie_glitch_ul <= 0) | |
2077 | OUTPUT_IF (TS_exit_underline_mode); | |
2078 | } | |
2079 | ||
2080 | /* Switch back to default colors. */ | |
2081 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2082 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2083 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2084 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2085 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2086 | OUTPUT1_IF (TS_orig_pair); |
2087 | } | |
2088 | ||
2089 | ||
2090 | /* Return non-zero if the terminal is capable to display colors. */ | |
2091 | ||
2092 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 EZ |
2093 | 0, 1, 0, |
2094 | "Return non-nil if TTY can display colors on FRAME.") | |
2095 | (frame) | |
2096 | Lisp_Object frame; | |
a168702a GM |
2097 | { |
2098 | return TN_max_colors > 0 ? Qt : Qnil; | |
2099 | } | |
2100 | ||
2101 | ||
2102 | ||
2103 | \f | |
2104 | /*********************************************************************** | |
2105 | Initialization | |
2106 | ***********************************************************************/ | |
2107 | ||
dfcf069d | 2108 | void |
08a24c47 JB |
2109 | term_init (terminal_type) |
2110 | char *terminal_type; | |
2111 | { | |
2112 | char *area; | |
2113 | char **address = &area; | |
2114 | char buffer[2044]; | |
2115 | register char *p; | |
2116 | int status; | |
e52f4e08 | 2117 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2118 | |
cb28b9c2 | 2119 | #ifdef WINDOWSNT |
29f27c39 | 2120 | initialize_w32_display (); |
cb28b9c2 RS |
2121 | |
2122 | Wcm_clear (); | |
cb28b9c2 | 2123 | |
a678d9ff | 2124 | area = (char *) xmalloc (2044); |
cb28b9c2 RS |
2125 | |
2126 | if (area == 0) | |
2127 | abort (); | |
2128 | ||
e52f4e08 GM |
2129 | FrameRows = FRAME_HEIGHT (sf); |
2130 | FrameCols = FRAME_WIDTH (sf); | |
2131 | specified_window = FRAME_HEIGHT (sf); | |
cb28b9c2 RS |
2132 | |
2133 | delete_in_insert_mode = 1; | |
2134 | ||
2135 | UseTabs = 0; | |
2136 | scroll_region_ok = 0; | |
2137 | ||
2138 | /* Seems to insert lines when it's not supposed to, messing | |
2139 | up the display. In doing a trace, it didn't seem to be | |
2140 | called much, so I don't think we're losing anything by | |
2141 | turning it off. */ | |
2142 | ||
2143 | line_ins_del_ok = 0; | |
2144 | char_ins_del_ok = 1; | |
2145 | ||
2146 | baud_rate = 19200; | |
2147 | ||
e52f4e08 GM |
2148 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2149 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2150 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2151 | |
2152 | return; | |
eccec691 | 2153 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2154 | |
08a24c47 | 2155 | Wcm_clear (); |
08a24c47 JB |
2156 | |
2157 | status = tgetent (buffer, terminal_type); | |
2158 | if (status < 0) | |
b0347178 KH |
2159 | { |
2160 | #ifdef TERMINFO | |
e12c1054 | 2161 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2162 | #else |
e12c1054 | 2163 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2164 | #endif |
2165 | } | |
08a24c47 | 2166 | if (status == 0) |
b0347178 KH |
2167 | { |
2168 | #ifdef TERMINFO | |
2169 | fatal ("Terminal type %s is not defined.\n\ | |
2170 | If that is not the actual type of terminal you have,\n\ | |
2171 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2172 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2173 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2174 | terminal_type); |
2175 | #else | |
2176 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2177 | If that is not the actual type of terminal you have,\n\ |
2178 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2179 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2180 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2181 | terminal_type); |
2182 | #endif | |
2183 | } | |
08a24c47 | 2184 | #ifdef TERMINFO |
a678d9ff | 2185 | area = (char *) xmalloc (2044); |
08a24c47 | 2186 | #else |
a678d9ff | 2187 | area = (char *) xmalloc (strlen (buffer)); |
08a24c47 JB |
2188 | #endif /* not TERMINFO */ |
2189 | if (area == 0) | |
2190 | abort (); | |
2191 | ||
2192 | TS_ins_line = tgetstr ("al", address); | |
2193 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2194 | TS_bell = tgetstr ("bl", address); | |
2195 | BackTab = tgetstr ("bt", address); | |
2196 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2197 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2198 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2199 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2200 | AbsPosition = tgetstr ("cm", address); |
2201 | CR = tgetstr ("cr", address); | |
2202 | TS_set_scroll_region = tgetstr ("cs", address); | |
2203 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2204 | RowPosition = tgetstr ("cv", address); | |
2205 | TS_del_char = tgetstr ("dc", address); | |
2206 | TS_del_multi_chars = tgetstr ("DC", address); | |
2207 | TS_del_line = tgetstr ("dl", address); | |
2208 | TS_del_multi_lines = tgetstr ("DL", address); | |
2209 | TS_delete_mode = tgetstr ("dm", address); | |
2210 | TS_end_delete_mode = tgetstr ("ed", address); | |
2211 | TS_end_insert_mode = tgetstr ("ei", address); | |
2212 | Home = tgetstr ("ho", address); | |
2213 | TS_ins_char = tgetstr ("ic", address); | |
2214 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2215 | TS_insert_mode = tgetstr ("im", address); | |
2216 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2217 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2218 | TS_keypad_mode = tgetstr ("ks", address); | |
2219 | LastLine = tgetstr ("ll", address); | |
2220 | Right = tgetstr ("nd", address); | |
2221 | Down = tgetstr ("do", address); | |
2222 | if (!Down) | |
2223 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2224 | #ifdef VMS | |
2225 | /* VMS puts a carriage return before each linefeed, | |
2226 | so it is not safe to use linefeeds. */ | |
2227 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2228 | Down = 0; | |
2229 | #endif /* VMS */ | |
2230 | if (tgetflag ("bs")) | |
2231 | Left = "\b"; /* can't possibly be longer! */ | |
2232 | else /* (Actually, "bs" is obsolete...) */ | |
2233 | Left = tgetstr ("le", address); | |
2234 | if (!Left) | |
2235 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2236 | TS_pad_char = tgetstr ("pc", address); | |
2237 | TS_repeat = tgetstr ("rp", address); | |
2238 | TS_end_standout_mode = tgetstr ("se", address); | |
2239 | TS_fwd_scroll = tgetstr ("sf", address); | |
2240 | TS_standout_mode = tgetstr ("so", address); | |
2241 | TS_rev_scroll = tgetstr ("sr", address); | |
2242 | Wcm.cm_tab = tgetstr ("ta", address); | |
2243 | TS_end_termcap_modes = tgetstr ("te", address); | |
2244 | TS_termcap_modes = tgetstr ("ti", address); | |
2245 | Up = tgetstr ("up", address); | |
2246 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2247 | TS_cursor_normal = tgetstr ("ve", address); |
2248 | TS_cursor_visible = tgetstr ("vs", address); | |
2249 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2250 | TS_set_window = tgetstr ("wi", address); |
a168702a GM |
2251 | |
2252 | TS_enter_underline_mode = tgetstr ("us", address); | |
2253 | TS_exit_underline_mode = tgetstr ("ue", address); | |
2254 | TN_magic_cookie_glitch_ul = tgetnum ("ug"); | |
2255 | TS_enter_bold_mode = tgetstr ("md", address); | |
2256 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2257 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2258 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2259 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2260 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2261 | TS_exit_attribute_mode = tgetstr ("me", address); | |
2262 | ||
08a24c47 JB |
2263 | MultiUp = tgetstr ("UP", address); |
2264 | MultiDown = tgetstr ("DO", address); | |
2265 | MultiLeft = tgetstr ("LE", address); | |
2266 | MultiRight = tgetstr ("RI", address); | |
2267 | ||
e7f90eab GM |
2268 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2269 | color because we can't switch back to the default foreground and | |
2270 | background. */ | |
a168702a | 2271 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2272 | if (TS_orig_pair) |
a168702a | 2273 | { |
e7f90eab GM |
2274 | TS_set_foreground = tgetstr ("AF", address); |
2275 | TS_set_background = tgetstr ("AB", address); | |
2276 | if (!TS_set_foreground) | |
2277 | { | |
2278 | /* SVr4. */ | |
2279 | TS_set_foreground = tgetstr ("Sf", address); | |
2280 | TS_set_background = tgetstr ("Sb", address); | |
2281 | } | |
4e6ba4a4 | 2282 | |
e7f90eab GM |
2283 | TN_max_colors = tgetnum ("Co"); |
2284 | TN_max_pairs = tgetnum ("pa"); | |
4e6ba4a4 GM |
2285 | |
2286 | TN_no_color_video = tgetnum ("NC"); | |
2287 | if (TN_no_color_video == -1) | |
2288 | TN_no_color_video = 0; | |
a168702a | 2289 | } |
a168702a | 2290 | |
e4058338 KH |
2291 | MagicWrap = tgetflag ("xn"); |
2292 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2293 | the former flag imply the latter. */ | |
2294 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2295 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2296 | TF_hazeltine = tgetflag ("hz"); |
2297 | must_write_spaces = tgetflag ("in"); | |
2298 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2299 | TF_insmode_motion = tgetflag ("mi"); | |
2300 | TF_standout_motion = tgetflag ("ms"); | |
2301 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2302 | TF_xs = tgetflag ("xs"); |
2303 | TF_teleray = tgetflag ("xt"); | |
2304 | ||
5c2c7893 JB |
2305 | term_get_fkeys (address); |
2306 | ||
ff11dfa1 | 2307 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2308 | { |
2309 | int height, width; | |
2310 | get_frame_size (&width, &height); | |
e52f4e08 GM |
2311 | FRAME_WIDTH (sf) = width; |
2312 | FRAME_HEIGHT (sf) = height; | |
3b12ce12 RS |
2313 | } |
2314 | ||
e52f4e08 GM |
2315 | if (FRAME_WIDTH (sf) <= 0) |
2316 | SET_FRAME_WIDTH (sf, tgetnum ("co")); | |
1efd8636 RS |
2317 | else |
2318 | /* Keep width and external_width consistent */ | |
e52f4e08 GM |
2319 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf)); |
2320 | if (FRAME_HEIGHT (sf) <= 0) | |
2321 | FRAME_HEIGHT (sf) = tgetnum ("li"); | |
1efd8636 | 2322 | |
e52f4e08 | 2323 | if (FRAME_HEIGHT (sf) < 3 || FRAME_WIDTH (sf) < 3) |
e12c1054 | 2324 | fatal ("Screen size %dx%d is too small", |
e52f4e08 | 2325 | FRAME_HEIGHT (sf), FRAME_WIDTH (sf)); |
ee7a2de4 | 2326 | |
08a24c47 JB |
2327 | min_padding_speed = tgetnum ("pb"); |
2328 | TN_standout_width = tgetnum ("sg"); | |
2329 | TabWidth = tgetnum ("tw"); | |
2330 | ||
2331 | #ifdef VMS | |
2332 | /* These capabilities commonly use ^J. | |
2333 | I don't know why, but sending them on VMS does not work; | |
2334 | it causes following spaces to be lost, sometimes. | |
2335 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2336 | if (Down && Down[0] == '\n') | |
2337 | Down = 0; | |
2338 | #endif /* VMS */ | |
2339 | ||
2340 | if (!TS_bell) | |
2341 | TS_bell = "\07"; | |
2342 | ||
2343 | if (!TS_fwd_scroll) | |
2344 | TS_fwd_scroll = Down; | |
2345 | ||
2346 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2347 | ||
2348 | if (TabWidth < 0) | |
2349 | TabWidth = 8; | |
2350 | ||
2351 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
2352 | and newer termcap doc does not seem to say there is a default. | |
2353 | if (!Wcm.cm_tab) | |
2354 | Wcm.cm_tab = "\t"; | |
2355 | */ | |
2356 | ||
2357 | if (TS_standout_mode == 0) | |
2358 | { | |
2359 | TN_standout_width = tgetnum ("ug"); | |
2360 | TS_end_standout_mode = tgetstr ("ue", address); | |
2361 | TS_standout_mode = tgetstr ("us", address); | |
2362 | } | |
2363 | ||
afd359c4 RS |
2364 | /* If no `se' string, try using a `me' string instead. |
2365 | If that fails, we can't use standout mode at all. */ | |
2366 | if (TS_end_standout_mode == 0) | |
2367 | { | |
e4bfb3b6 | 2368 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2369 | if (s != 0) |
2370 | TS_end_standout_mode = s; | |
2371 | else | |
2372 | TS_standout_mode = 0; | |
2373 | } | |
2374 | ||
08a24c47 JB |
2375 | if (TF_teleray) |
2376 | { | |
2377 | Wcm.cm_tab = 0; | |
2378 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
2379 | but Emacs can do without it (and give one extra column). */ | |
2380 | TS_standout_mode = "\033RD"; | |
2381 | TN_standout_width = 1; | |
2382 | /* But that means we cannot rely on ^M to go to column zero! */ | |
2383 | CR = 0; | |
2384 | /* LF can't be trusted either -- can alter hpos */ | |
2385 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2386 | Down = 0; | |
2387 | } | |
2388 | ||
2389 | /* Special handling for certain terminal types known to need it */ | |
2390 | ||
2391 | if (!strcmp (terminal_type, "supdup")) | |
2392 | { | |
ff11dfa1 | 2393 | memory_below_frame = 1; |
08a24c47 JB |
2394 | Wcm.cm_losewrap = 1; |
2395 | } | |
2396 | if (!strncmp (terminal_type, "c10", 3) | |
2397 | || !strcmp (terminal_type, "perq")) | |
2398 | { | |
2399 | /* Supply a makeshift :wi string. | |
2400 | This string is not valid in general since it works only | |
2401 | for windows starting at the upper left corner; | |
2402 | but that is all Emacs uses. | |
2403 | ||
ff11dfa1 | 2404 | This string works only if the frame is using |
08a24c47 JB |
2405 | the top of the video memory, because addressing is memory-relative. |
2406 | So first check the :ti string to see if that is true. | |
2407 | ||
2408 | It would be simpler if the :wi string could go in the termcap | |
2409 | entry, but it can't because it is not fully valid. | |
2410 | If it were in the termcap entry, it would confuse other programs. */ | |
2411 | if (!TS_set_window) | |
2412 | { | |
2413 | p = TS_termcap_modes; | |
2414 | while (*p && strcmp (p, "\033v ")) | |
2415 | p++; | |
2416 | if (*p) | |
2417 | TS_set_window = "\033v%C %C %C %C "; | |
2418 | } | |
2419 | /* Termcap entry often fails to have :in: flag */ | |
2420 | must_write_spaces = 1; | |
2421 | /* :ti string typically fails to have \E^G! in it */ | |
2422 | /* This limits scope of insert-char to one line. */ | |
2423 | strcpy (area, TS_termcap_modes); | |
2424 | strcat (area, "\033\007!"); | |
2425 | TS_termcap_modes = area; | |
2426 | area += strlen (area) + 1; | |
2427 | p = AbsPosition; | |
2428 | /* Change all %+ parameters to %C, to handle | |
2429 | values above 96 correctly for the C100. */ | |
2430 | while (*p) | |
2431 | { | |
2432 | if (p[0] == '%' && p[1] == '+') | |
2433 | p[1] = 'C'; | |
2434 | p++; | |
2435 | } | |
2436 | } | |
2437 | ||
e52f4e08 GM |
2438 | FrameRows = FRAME_HEIGHT (sf); |
2439 | FrameCols = FRAME_WIDTH (sf); | |
2440 | specified_window = FRAME_HEIGHT (sf); | |
08a24c47 JB |
2441 | |
2442 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2443 | #ifdef VMS | |
2444 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2445 | It lacks the ability to position the cursor.\n\ | |
2446 | If that is not the actual type of terminal you have, use either the\n\ | |
2447 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2448 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2449 | terminal_type); |
37dad45a RS |
2450 | #else /* not VMS */ |
2451 | # ifdef TERMINFO | |
2452 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2453 | It lacks the ability to position the cursor.\n\ | |
2454 | If that is not the actual type of terminal you have,\n\ | |
2455 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2456 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2457 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2458 | terminal_type); |
2459 | # else /* TERMCAP */ | |
08a24c47 JB |
2460 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2461 | It lacks the ability to position the cursor.\n\ | |
2462 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2463 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2464 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2465 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2466 | terminal_type); |
37dad45a RS |
2467 | # endif /* TERMINFO */ |
2468 | #endif /*VMS */ | |
e52f4e08 GM |
2469 | if (FRAME_HEIGHT (sf) <= 0 |
2470 | || FRAME_WIDTH (sf) <= 0) | |
e12c1054 | 2471 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2472 | |
2473 | delete_in_insert_mode | |
2474 | = TS_delete_mode && TS_insert_mode | |
2475 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2476 | ||
2477 | se_is_so = (TS_standout_mode | |
2478 | && TS_end_standout_mode | |
2479 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2480 | ||
2481 | /* Remove width of standout marker from usable width of line */ | |
2482 | if (TN_standout_width > 0) | |
e52f4e08 | 2483 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf) - TN_standout_width); |
08a24c47 JB |
2484 | |
2485 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
2486 | ||
2487 | scroll_region_ok | |
2488 | = (Wcm.cm_abs | |
2489 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2490 | ||
2491 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2492 | && (TS_del_line || TS_del_multi_lines)) | |
2493 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2494 | ||
2495 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2496 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2497 | && (TS_del_char || TS_del_multi_chars)); | |
2498 | ||
2499 | fast_clear_end_of_line = TS_clr_line != 0; | |
2500 | ||
2501 | init_baud_rate (); | |
2502 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2503 | /* meaningless in this case */ | |
2504 | baud_rate = 9600; | |
20a558dc | 2505 | |
e52f4e08 GM |
2506 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2507 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2508 | #endif /* WINDOWSNT */ |
08a24c47 JB |
2509 | } |
2510 | ||
2511 | /* VARARGS 1 */ | |
dfcf069d | 2512 | void |
08a24c47 | 2513 | fatal (str, arg1, arg2) |
4746118a | 2514 | char *str, *arg1, *arg2; |
08a24c47 JB |
2515 | { |
2516 | fprintf (stderr, "emacs: "); | |
2517 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2518 | fprintf (stderr, "\n"); |
08a24c47 JB |
2519 | fflush (stderr); |
2520 | exit (1); | |
2521 | } | |
07c57952 | 2522 | |
dfcf069d | 2523 | void |
07c57952 KH |
2524 | syms_of_term () |
2525 | { | |
2526 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
2527 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
2528 | This variable can be used by terminal emulator packages."); | |
2529 | #ifdef TERMINFO | |
2530 | system_uses_terminfo = 1; | |
2531 | #else | |
2532 | system_uses_terminfo = 0; | |
2533 | #endif | |
c291d9ef RS |
2534 | |
2535 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
2536 | "Non-nil means call this function to ring the bell.\n\ | |
2537 | The function should accept no arguments."); | |
2538 | Vring_bell_function = Qnil; | |
a168702a GM |
2539 | |
2540 | defsubr (&Stty_display_color_p); | |
07c57952 | 2541 | } |
a168702a | 2542 |