Commit | Line | Data |
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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" | |
2538fae4 | 34 | #include "keyboard.h" |
ff11dfa1 | 35 | #include "frame.h" |
08a24c47 JB |
36 | #include "disptab.h" |
37 | #include "termhooks.h" | |
dfcf069d | 38 | #include "dispextern.h" |
a168702a GM |
39 | #include "window.h" |
40 | ||
b0f61f15 GM |
41 | #ifdef HAVE_TERMCAP_H |
42 | #include <termcap.h> | |
46d1b2bc DL |
43 | #else |
44 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
45 | extern int tgetent P_ ((char *, const char *)); | |
46 | extern int tgetflag P_ ((char *id)); | |
47 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
48 | #endif |
49 | ||
eccec691 | 50 | #include "cm.h" |
dfcf069d AS |
51 | #ifdef HAVE_X_WINDOWS |
52 | #include "xterm.h" | |
53 | #endif | |
c8951b18 | 54 | |
a168702a GM |
55 | static void turn_on_face P_ ((struct frame *, int face_id)); |
56 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
57 | static void tty_show_cursor P_ ((void)); | |
58 | static void tty_hide_cursor P_ ((void)); | |
59 | ||
08a24c47 JB |
60 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
61 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
62 | ||
e52f4e08 GM |
63 | #define OUTPUT(a) \ |
64 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) - curY), cmputc) | |
08a24c47 JB |
65 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
66 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 67 | |
b0f61f15 GM |
68 | #define OUTPUT_IF(a) \ |
69 | do { \ | |
70 | if (a) \ | |
71 | tputs (a, (int) (FRAME_HEIGHT (XFRAME (selected_frame)) \ | |
72 | - curY), cmputc); \ | |
73 | } while (0) | |
a168702a | 74 | |
b0f61f15 | 75 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 76 | |
c291d9ef | 77 | /* Function to use to ring the bell. */ |
a168702a | 78 | |
c291d9ef RS |
79 | Lisp_Object Vring_bell_function; |
80 | ||
eb8c3be9 | 81 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
82 | These are all extern'd in termchar.h */ |
83 | ||
08a24c47 JB |
84 | int must_write_spaces; /* Nonzero means spaces in the text |
85 | must actually be output; can't just skip | |
86 | over some columns to leave them blank. */ | |
87 | int min_padding_speed; /* Speed below which no padding necessary */ | |
88 | ||
89 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
90 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
91 | int scroll_region_ok; /* Terminal supports setting the | |
92 | scroll window */ | |
be7cd44f RS |
93 | int scroll_region_cost; /* Cost of setting a scroll window, |
94 | measured in characters */ | |
ff11dfa1 | 95 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
96 | scrolled off bottom */ |
97 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
98 | ||
ff11dfa1 | 99 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
100 | a suspended Emacs. This is useful on terminals with multiple pages, |
101 | where one page is used for Emacs and another for all else. */ | |
a168702a | 102 | |
08a24c47 JB |
103 | int no_redraw_on_reenter; |
104 | ||
105 | /* Hook functions that you can set to snap out the functions in this file. | |
106 | These are all extern'd in termhooks.h */ | |
107 | ||
dfcf069d AS |
108 | void (*cursor_to_hook) P_ ((int, int)); |
109 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
110 | void (*clear_to_end_hook) P_ ((void)); |
111 | void (*clear_frame_hook) P_ ((void)); | |
112 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 113 | |
dfcf069d | 114 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 115 | |
a168702a | 116 | void (*change_line_highlight_hook) P_ ((int, int, int, int)); |
dfcf069d | 117 | void (*reassert_line_highlight_hook) P_ ((int, int)); |
08a24c47 | 118 | |
dfcf069d | 119 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 120 | |
dfcf069d | 121 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 122 | |
dfcf069d AS |
123 | void (*reset_terminal_modes_hook) P_ ((void)); |
124 | void (*set_terminal_modes_hook) P_ ((void)); | |
125 | void (*update_begin_hook) P_ ((struct frame *)); | |
126 | void (*update_end_hook) P_ ((struct frame *)); | |
127 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
128 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
129 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
130 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 131 | |
dfcf069d | 132 | int (*read_socket_hook) P_ ((int, struct input_event *, int, int)); |
08a24c47 | 133 | |
dfcf069d | 134 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 135 | |
20a558dc | 136 | /* Return the current position of the mouse. |
371fbaeb JB |
137 | |
138 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
139 | Emacs frame. If it is set to zero, all the other arguments are | |
140 | garbage. | |
141 | ||
a3c87d4e JB |
142 | If the motion started in a scroll bar, set *bar_window to the |
143 | scroll bar's window, *part to the part the mouse is currently over, | |
144 | *x to the position of the mouse along the scroll bar, and *y to the | |
145 | overall length of the scroll bar. | |
371fbaeb JB |
146 | |
147 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
148 | row of the character cell the mouse is over. | |
149 | ||
150 | Set *time to the time the mouse was at the returned position. | |
151 | ||
152 | This should clear mouse_moved until the next motion | |
153 | event arrives. */ | |
dfcf069d | 154 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 155 | Lisp_Object *bar_window, |
a3c87d4e | 156 | enum scroll_bar_part *part, |
20a558dc JB |
157 | Lisp_Object *x, |
158 | Lisp_Object *y, | |
dfcf069d | 159 | unsigned long *time)); |
08a24c47 | 160 | |
ff11dfa1 | 161 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 162 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 163 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
164 | This hook tells the window system code to re-decide where to put |
165 | the highlight. */ | |
dfcf069d | 166 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 167 | |
dbc4e1c1 JB |
168 | /* If we're displaying frames using a window system that can stack |
169 | frames on top of each other, this hook allows you to bring a frame | |
170 | to the front, or bury it behind all the other windows. If this | |
171 | hook is zero, that means the device we're displaying on doesn't | |
172 | support overlapping frames, so there's no need to raise or lower | |
173 | anything. | |
174 | ||
175 | If RAISE is non-zero, F is brought to the front, before all other | |
176 | windows. If RAISE is zero, F is sent to the back, behind all other | |
177 | windows. */ | |
dfcf069d | 178 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 179 | |
a3c87d4e | 180 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
181 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
182 | indicate that we are displaying PORTION characters out of a total | |
183 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 184 | have a scroll bar, create one for it. */ |
a168702a | 185 | |
a3c87d4e | 186 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
187 | P_ ((struct window *window, |
188 | int portion, int whole, int position)); | |
20a558dc | 189 | |
371fbaeb | 190 | |
20a558dc | 191 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 192 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
193 | are going to be deleted, because keeping track of when windows go |
194 | away is a real pain - can you say set-window-configuration? | |
195 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 196 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 197 | fiery pit when we actually redisplay their window. */ |
20a558dc | 198 | |
a3c87d4e JB |
199 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
200 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
a168702a | 201 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 202 | |
371fbaeb | 203 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
204 | redisplayed, even if it is not displaying scroll bars at the moment; |
205 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
206 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
207 | |
208 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 209 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 210 | currently displaying them. */ |
dfcf069d | 211 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 212 | |
a3c87d4e JB |
213 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
214 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
dfcf069d | 215 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 216 | |
a3c87d4e JB |
217 | /* Remove all scroll bars on FRAME that haven't been saved since the |
218 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 219 | |
371fbaeb | 220 | This should be applied to each frame after each time its window |
a3c87d4e JB |
221 | tree is redisplayed, even if it is not displaying scroll bars at the |
222 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
223 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
224 | |
225 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 226 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 227 | currently displaying them. */ |
dfcf069d | 228 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 229 | |
a168702a GM |
230 | /* Hook to call in estimate_mode_line_height, if any. */ |
231 | ||
232 | int (* estimate_mode_line_height_hook) P_ ((struct frame *f, enum face_id)); | |
233 | ||
20a558dc | 234 | |
08a24c47 JB |
235 | /* Strings, numbers and flags taken from the termcap entry. */ |
236 | ||
a4decb7f | 237 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
238 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
239 | char *TS_bell; /* "bl" */ | |
240 | char *TS_clr_to_bottom; /* "cd" */ | |
241 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 242 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
243 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
244 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
245 | lines above scroll region, lines below it, | |
246 | total lines again) */ | |
247 | char *TS_del_char; /* "dc" */ | |
248 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
249 | char *TS_del_line; /* "dl" */ | |
250 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
251 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
252 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
253 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
254 | char *TS_ins_char; /* "ic" */ | |
255 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
256 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
257 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
258 | char *TS_end_keypad_mode; /* "ke" */ | |
259 | char *TS_keypad_mode; /* "ks" */ | |
260 | char *TS_pad_char; /* "pc", char to use as padding */ | |
261 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
262 | and character to be repeated) */ | |
263 | char *TS_end_standout_mode; /* "se" */ | |
264 | char *TS_fwd_scroll; /* "sf" */ | |
265 | char *TS_standout_mode; /* "so" */ | |
266 | char *TS_rev_scroll; /* "sr" */ | |
267 | char *TS_end_termcap_modes; /* "te" */ | |
268 | char *TS_termcap_modes; /* "ti" */ | |
269 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
270 | char *TS_cursor_normal; /* "ve" */ |
271 | char *TS_cursor_visible; /* "vs" */ | |
272 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
273 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
274 | each as vpos and hpos) */ | |
275 | ||
4e6ba4a4 GM |
276 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
277 | present. */ | |
278 | ||
279 | static int TN_no_color_video; | |
280 | ||
281 | /* Meaning of bits in no_color_video. Each bit set means that the | |
282 | corresponding attribute cannot be combined with colors. */ | |
283 | ||
284 | enum no_color_bit | |
285 | { | |
286 | NC_STANDOUT = 1 << 0, | |
287 | NC_UNDERLINE = 1 << 1, | |
288 | NC_REVERSE = 1 << 2, | |
289 | NC_BLINK = 1 << 3, | |
290 | NC_DIM = 1 << 4, | |
291 | NC_BOLD = 1 << 5, | |
292 | NC_INVIS = 1 << 6, | |
293 | NC_PROTECT = 1 << 7, | |
294 | NC_ALT_CHARSET = 1 << 8 | |
295 | }; | |
296 | ||
a168702a GM |
297 | /* "md" -- turn on bold (extra bright mode). */ |
298 | ||
299 | char *TS_enter_bold_mode; | |
300 | ||
301 | /* "mh" -- turn on half-bright mode. */ | |
302 | ||
303 | char *TS_enter_dim_mode; | |
304 | ||
305 | /* "mb" -- enter blinking mode. */ | |
306 | ||
307 | char *TS_enter_blink_mode; | |
308 | ||
309 | /* "mr" -- enter reverse video mode. */ | |
310 | ||
311 | char *TS_enter_reverse_mode; | |
312 | ||
313 | /* "us"/"ue" -- start/end underlining. */ | |
314 | ||
315 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
316 | ||
317 | /* "ug" -- number of blanks left by underline. */ | |
318 | ||
319 | int TN_magic_cookie_glitch_ul; | |
320 | ||
321 | /* "as"/"ae" -- start/end alternate character set. Not really | |
322 | supported, yet. */ | |
323 | ||
324 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
325 | ||
326 | /* "me" -- switch appearances off. */ | |
327 | ||
328 | char *TS_exit_attribute_mode; | |
329 | ||
330 | /* "Co" -- number of colors. */ | |
331 | ||
332 | int TN_max_colors; | |
333 | ||
334 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
335 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
336 | ||
337 | int TN_max_pairs; | |
338 | ||
339 | /* "op" -- SVr4 set default pair to its original value. */ | |
340 | ||
341 | char *TS_orig_pair; | |
342 | ||
343 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
344 | 1 param, the color index. */ | |
345 | ||
346 | char *TS_set_foreground, *TS_set_background; | |
347 | ||
08a24c47 JB |
348 | int TF_hazeltine; /* termcap hz flag. */ |
349 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
350 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
351 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
352 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
353 | int TF_teleray; /* termcap xt flag: many weird consequences. |
354 | For t1061. */ | |
355 | ||
356 | int TF_xs; /* Nonzero for "xs". If set together with | |
357 | TN_standout_width == 0, it means don't bother | |
358 | to write any end-standout cookies. */ | |
359 | ||
360 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
361 | markers */ | |
362 | ||
363 | static int RPov; /* # chars to start a TS_repeat */ | |
364 | ||
365 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
366 | ||
367 | static int se_is_so; /* 1 if same string both enters and leaves | |
368 | standout mode */ | |
369 | ||
370 | /* internal state */ | |
371 | ||
8dd0c7cb | 372 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 373 | |
8dd0c7cb | 374 | int max_frame_width; |
a168702a | 375 | |
8dd0c7cb | 376 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 377 | |
8dd0c7cb RS |
378 | int max_frame_height; |
379 | ||
08a24c47 JB |
380 | /* Number of chars of space used for standout marker at beginning of line, |
381 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 382 | The length of these vectors is max_frame_height. |
08a24c47 JB |
383 | |
384 | Used IFF TN_standout_width >= 0. */ | |
385 | ||
386 | static char *chars_wasted; | |
387 | static char *copybuf; | |
388 | ||
389 | /* nonzero means supposed to write text in standout mode. */ | |
a168702a | 390 | |
08a24c47 JB |
391 | int standout_requested; |
392 | ||
393 | int insert_mode; /* Nonzero when in insert mode. */ | |
394 | int standout_mode; /* Nonzero when in standout mode. */ | |
395 | ||
396 | /* Size of window specified by higher levels. | |
ff11dfa1 | 397 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
398 | which can participate in insert-line/delete-line operations. |
399 | ||
ff11dfa1 | 400 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
401 | lines from those operations. */ |
402 | ||
403 | int specified_window; | |
404 | ||
ff11dfa1 | 405 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
406 | (Direct output does not count). */ |
407 | ||
ff11dfa1 | 408 | FRAME_PTR updating_frame; |
08a24c47 | 409 | |
07c57952 | 410 | /* Provided for lisp packages. */ |
a168702a | 411 | |
07c57952 KH |
412 | static int system_uses_terminfo; |
413 | ||
08a24c47 | 414 | char *tparam (); |
e4bfb3b6 RS |
415 | |
416 | extern char *tgetstr (); | |
08a24c47 | 417 | \f |
cb28b9c2 RS |
418 | |
419 | #ifdef WINDOWSNT | |
a168702a | 420 | |
cb28b9c2 RS |
421 | /* We aren't X windows, but we aren't termcap either. This makes me |
422 | uncertain as to what value to use for frame.output_method. For | |
423 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
424 | output hooks get called instead of the termcap functions. Probably | |
425 | the best long-term solution is to define an output_windows_nt... */ | |
426 | ||
427 | #undef FRAME_TERMCAP_P | |
428 | #define FRAME_TERMCAP_P(_f_) 0 | |
429 | #endif /* WINDOWSNT */ | |
430 | ||
dfcf069d | 431 | void |
08a24c47 JB |
432 | ring_bell () |
433 | { | |
c291d9ef RS |
434 | if (! NILP (Vring_bell_function)) |
435 | { | |
436 | Lisp_Object function; | |
437 | ||
438 | /* Temporarily set the global variable to nil | |
439 | so that if we get an error, it stays nil | |
440 | and we don't call it over and over. | |
441 | ||
442 | We don't specbind it, because that would carefully | |
443 | restore the bad value if there's an error | |
444 | and make the loop of errors happen anyway. */ | |
445 | function = Vring_bell_function; | |
446 | Vring_bell_function = Qnil; | |
447 | ||
448 | call0 (function); | |
449 | ||
450 | Vring_bell_function = function; | |
451 | return; | |
452 | } | |
453 | ||
e52f4e08 | 454 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 JB |
455 | { |
456 | (*ring_bell_hook) (); | |
457 | return; | |
458 | } | |
459 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
460 | } | |
461 | ||
dfcf069d | 462 | void |
08a24c47 JB |
463 | set_terminal_modes () |
464 | { | |
e52f4e08 | 465 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 JB |
466 | { |
467 | (*set_terminal_modes_hook) (); | |
468 | return; | |
469 | } | |
470 | OUTPUT_IF (TS_termcap_modes); | |
a168702a | 471 | OUTPUT_IF (TS_cursor_visible); |
08a24c47 JB |
472 | OUTPUT_IF (TS_keypad_mode); |
473 | losecursor (); | |
474 | } | |
475 | ||
dfcf069d | 476 | void |
08a24c47 JB |
477 | reset_terminal_modes () |
478 | { | |
e52f4e08 | 479 | if (! FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 480 | { |
b3e1cb05 GV |
481 | if (reset_terminal_modes_hook) |
482 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
483 | return; |
484 | } | |
485 | if (TN_standout_width < 0) | |
486 | turn_off_highlight (); | |
487 | turn_off_insert (); | |
488 | OUTPUT_IF (TS_end_keypad_mode); | |
a168702a | 489 | OUTPUT_IF (TS_cursor_normal); |
08a24c47 | 490 | OUTPUT_IF (TS_end_termcap_modes); |
a168702a | 491 | OUTPUT_IF (TS_orig_pair); |
08a24c47 JB |
492 | /* Output raw CR so kernel can track the cursor hpos. */ |
493 | /* But on magic-cookie terminals this can erase an end-standout marker and | |
ff11dfa1 | 494 | cause the rest of the frame to be in standout, so move down first. */ |
08a24c47 JB |
495 | if (TN_standout_width >= 0) |
496 | cmputc ('\n'); | |
497 | cmputc ('\r'); | |
498 | } | |
499 | ||
dfcf069d | 500 | void |
ff11dfa1 JB |
501 | update_begin (f) |
502 | FRAME_PTR f; | |
08a24c47 | 503 | { |
ff11dfa1 | 504 | updating_frame = f; |
1820044b | 505 | if (! FRAME_TERMCAP_P (updating_frame)) |
ff11dfa1 | 506 | (*update_begin_hook) (f); |
a168702a GM |
507 | else |
508 | tty_hide_cursor (); | |
08a24c47 JB |
509 | } |
510 | ||
dfcf069d | 511 | void |
ff11dfa1 JB |
512 | update_end (f) |
513 | FRAME_PTR f; | |
08a24c47 | 514 | { |
1820044b | 515 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 516 | { |
7a8e3e30 | 517 | (*update_end_hook) (f); |
cc4ee3c7 | 518 | updating_frame = 0; |
08a24c47 JB |
519 | return; |
520 | } | |
a168702a GM |
521 | |
522 | if (!XWINDOW (selected_window)->cursor_off_p) | |
523 | tty_show_cursor (); | |
524 | ||
08a24c47 JB |
525 | turn_off_insert (); |
526 | background_highlight (); | |
527 | standout_requested = 0; | |
ff11dfa1 | 528 | updating_frame = 0; |
08a24c47 JB |
529 | } |
530 | ||
dfcf069d | 531 | void |
08a24c47 JB |
532 | set_terminal_window (size) |
533 | int size; | |
534 | { | |
1820044b | 535 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
536 | { |
537 | (*set_terminal_window_hook) (size); | |
538 | return; | |
539 | } | |
e52f4e08 | 540 | specified_window = size ? size : FRAME_HEIGHT (XFRAME (selected_frame)); |
08a24c47 JB |
541 | if (!scroll_region_ok) |
542 | return; | |
543 | set_scroll_region (0, specified_window); | |
544 | } | |
545 | ||
dfcf069d | 546 | void |
08a24c47 JB |
547 | set_scroll_region (start, stop) |
548 | int start, stop; | |
549 | { | |
550 | char *buf; | |
e52f4e08 GM |
551 | struct frame *sf = XFRAME (selected_frame); |
552 | ||
08a24c47 JB |
553 | if (TS_set_scroll_region) |
554 | { | |
555 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); | |
556 | } | |
557 | else if (TS_set_scroll_region_1) | |
558 | { | |
559 | buf = tparam (TS_set_scroll_region_1, 0, 0, | |
e52f4e08 GM |
560 | FRAME_HEIGHT (sf), start, |
561 | FRAME_HEIGHT (sf) - stop, | |
562 | FRAME_HEIGHT (sf)); | |
08a24c47 JB |
563 | } |
564 | else | |
565 | { | |
e52f4e08 | 566 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (sf)); |
08a24c47 JB |
567 | } |
568 | OUTPUT (buf); | |
9ac0d9e0 | 569 | xfree (buf); |
08a24c47 JB |
570 | losecursor (); |
571 | } | |
572 | \f | |
dfcf069d | 573 | void |
08a24c47 JB |
574 | turn_on_insert () |
575 | { | |
576 | if (!insert_mode) | |
577 | OUTPUT (TS_insert_mode); | |
578 | insert_mode = 1; | |
579 | } | |
580 | ||
dfcf069d | 581 | void |
08a24c47 JB |
582 | turn_off_insert () |
583 | { | |
584 | if (insert_mode) | |
585 | OUTPUT (TS_end_insert_mode); | |
586 | insert_mode = 0; | |
587 | } | |
588 | \f | |
589 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
590 | In these terminals, output is affected by the value of standout | |
591 | mode when the output is written. | |
592 | ||
593 | These functions are called on all terminals, but do nothing | |
594 | on terminals whose standout mode does not work that way. */ | |
595 | ||
dfcf069d | 596 | void |
08a24c47 JB |
597 | turn_off_highlight () |
598 | { | |
599 | if (TN_standout_width < 0) | |
600 | { | |
601 | if (standout_mode) | |
602 | OUTPUT_IF (TS_end_standout_mode); | |
603 | standout_mode = 0; | |
604 | } | |
605 | } | |
606 | ||
dfcf069d | 607 | void |
08a24c47 JB |
608 | turn_on_highlight () |
609 | { | |
610 | if (TN_standout_width < 0) | |
611 | { | |
612 | if (!standout_mode) | |
613 | OUTPUT_IF (TS_standout_mode); | |
614 | standout_mode = 1; | |
615 | } | |
616 | } | |
617 | ||
a168702a GM |
618 | |
619 | /* Make cursor invisible. */ | |
620 | ||
621 | static void | |
622 | tty_hide_cursor () | |
623 | { | |
624 | OUTPUT_IF (TS_cursor_invisible); | |
625 | } | |
626 | ||
627 | ||
628 | /* Ensure that cursor is visible. */ | |
629 | ||
630 | static void | |
631 | tty_show_cursor () | |
632 | { | |
633 | OUTPUT_IF (TS_cursor_normal); | |
634 | OUTPUT_IF (TS_cursor_visible); | |
635 | } | |
636 | ||
637 | ||
08a24c47 JB |
638 | /* Set standout mode to the state it should be in for |
639 | empty space inside windows. What this is, | |
640 | depends on the user option inverse-video. */ | |
641 | ||
dfcf069d | 642 | void |
08a24c47 JB |
643 | background_highlight () |
644 | { | |
645 | if (TN_standout_width >= 0) | |
646 | return; | |
647 | if (inverse_video) | |
648 | turn_on_highlight (); | |
649 | else | |
650 | turn_off_highlight (); | |
651 | } | |
652 | ||
653 | /* Set standout mode to the mode specified for the text to be output. */ | |
654 | ||
dfcf069d | 655 | static void |
08a24c47 JB |
656 | highlight_if_desired () |
657 | { | |
658 | if (TN_standout_width >= 0) | |
659 | return; | |
660 | if (!inverse_video == !standout_requested) | |
661 | turn_off_highlight (); | |
662 | else | |
663 | turn_on_highlight (); | |
664 | } | |
665 | \f | |
666 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
667 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 668 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
669 | that the marker occupies in memory. Standout runs from the marker |
670 | to the end of the line on some terminals, or to the next | |
671 | turn-off-standout marker (TS_end_standout_mode) string | |
672 | on other terminals. */ | |
673 | ||
674 | /* Write a standout marker or end-standout marker at the front of the line | |
675 | at vertical position vpos. */ | |
676 | ||
dfcf069d | 677 | void |
08a24c47 JB |
678 | write_standout_marker (flag, vpos) |
679 | int flag, vpos; | |
680 | { | |
681 | if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
682 | && !(TF_xs && TN_standout_width == 0))) | |
683 | { | |
684 | cmgoto (vpos, 0); | |
685 | cmplus (TN_standout_width); | |
686 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
687 | chars_wasted[curY] = TN_standout_width | 0100; | |
688 | } | |
689 | } | |
690 | \f | |
691 | /* External interface to control of standout mode. | |
692 | Call this when about to modify line at position VPOS | |
693 | and not change whether it is highlighted. */ | |
694 | ||
dfcf069d | 695 | void |
08a24c47 JB |
696 | reassert_line_highlight (highlight, vpos) |
697 | int highlight; | |
698 | int vpos; | |
699 | { | |
e52f4e08 GM |
700 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
701 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
702 | { |
703 | (*reassert_line_highlight_hook) (highlight, vpos); | |
704 | return; | |
705 | } | |
706 | if (TN_standout_width < 0) | |
707 | /* Handle terminals where standout takes affect at output time */ | |
708 | standout_requested = highlight; | |
a168702a | 709 | else if (chars_wasted && chars_wasted[vpos] == 0) |
08a24c47 JB |
710 | /* For terminals with standout markers, write one on this line |
711 | if there isn't one already. */ | |
712 | write_standout_marker (highlight, vpos); | |
713 | } | |
714 | ||
715 | /* Call this when about to modify line at position VPOS | |
716 | and change whether it is highlighted. */ | |
717 | ||
dfcf069d | 718 | void |
a168702a GM |
719 | change_line_highlight (new_highlight, vpos, y, first_unused_hpos) |
720 | int new_highlight, vpos, y, first_unused_hpos; | |
08a24c47 JB |
721 | { |
722 | standout_requested = new_highlight; | |
1820044b | 723 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 724 | { |
a168702a | 725 | (*change_line_highlight_hook) (new_highlight, vpos, y, first_unused_hpos); |
08a24c47 JB |
726 | return; |
727 | } | |
728 | ||
729 | cursor_to (vpos, 0); | |
730 | ||
731 | if (TN_standout_width < 0) | |
732 | background_highlight (); | |
733 | /* If line starts with a marker, delete the marker */ | |
734 | else if (TS_clr_line && chars_wasted[curY]) | |
735 | { | |
736 | turn_off_insert (); | |
737 | /* On Teleray, make sure to erase the SO marker. */ | |
738 | if (TF_teleray) | |
739 | { | |
e52f4e08 | 740 | cmgoto (curY - 1, FRAME_WIDTH (XFRAME (selected_frame)) - 4); |
08a24c47 JB |
741 | OUTPUT ("\033S"); |
742 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
743 | curX = 0; | |
744 | } | |
745 | else | |
746 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
747 | } | |
748 | clear_end_of_line_raw (first_unused_hpos); | |
749 | reassert_line_highlight (new_highlight, curY); | |
750 | } | |
751 | \f | |
752 | ||
a168702a GM |
753 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
754 | frame-relative coordinates. */ | |
08a24c47 | 755 | |
dfcf069d | 756 | void |
a168702a GM |
757 | cursor_to (vpos, hpos) |
758 | int vpos, hpos; | |
08a24c47 | 759 | { |
e52f4e08 GM |
760 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
761 | ||
762 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) | |
08a24c47 | 763 | { |
a168702a | 764 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
765 | return; |
766 | } | |
767 | ||
36cae867 KH |
768 | /* Detect the case where we are called from reset_sys_modes |
769 | and the costs have never been calculated. Do nothing. */ | |
770 | if (chars_wasted == 0) | |
771 | return; | |
772 | ||
a168702a GM |
773 | hpos += chars_wasted[vpos] & 077; |
774 | if (curY == vpos && curX == hpos) | |
08a24c47 JB |
775 | return; |
776 | if (!TF_standout_motion) | |
777 | background_highlight (); | |
778 | if (!TF_insmode_motion) | |
779 | turn_off_insert (); | |
a168702a | 780 | cmgoto (vpos, hpos); |
08a24c47 JB |
781 | } |
782 | ||
783 | /* Similar but don't take any account of the wasted characters. */ | |
784 | ||
dfcf069d | 785 | void |
08a24c47 | 786 | raw_cursor_to (row, col) |
4746118a | 787 | int row, col; |
08a24c47 | 788 | { |
e52f4e08 GM |
789 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
790 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
791 | { |
792 | (*raw_cursor_to_hook) (row, col); | |
793 | return; | |
794 | } | |
795 | if (curY == row && curX == col) | |
796 | return; | |
797 | if (!TF_standout_motion) | |
798 | background_highlight (); | |
799 | if (!TF_insmode_motion) | |
800 | turn_off_insert (); | |
801 | cmgoto (row, col); | |
802 | } | |
803 | \f | |
804 | /* Erase operations */ | |
805 | ||
ff11dfa1 | 806 | /* clear from cursor to end of frame */ |
dfcf069d | 807 | void |
08a24c47 JB |
808 | clear_to_end () |
809 | { | |
810 | register int i; | |
811 | ||
759d9005 | 812 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
813 | { |
814 | (*clear_to_end_hook) (); | |
815 | return; | |
816 | } | |
817 | if (TS_clr_to_bottom) | |
818 | { | |
819 | background_highlight (); | |
820 | OUTPUT (TS_clr_to_bottom); | |
e52f4e08 GM |
821 | bzero (chars_wasted + curY, |
822 | FRAME_HEIGHT (XFRAME (selected_frame)) - curY); | |
08a24c47 JB |
823 | } |
824 | else | |
825 | { | |
e52f4e08 | 826 | for (i = curY; i < FRAME_HEIGHT (XFRAME (selected_frame)); i++) |
08a24c47 JB |
827 | { |
828 | cursor_to (i, 0); | |
e52f4e08 | 829 | clear_end_of_line_raw (FRAME_WIDTH (XFRAME (selected_frame))); |
08a24c47 JB |
830 | } |
831 | } | |
832 | } | |
833 | ||
ff11dfa1 | 834 | /* Clear entire frame */ |
08a24c47 | 835 | |
dfcf069d | 836 | void |
ff11dfa1 | 837 | clear_frame () |
08a24c47 | 838 | { |
e52f4e08 GM |
839 | struct frame *sf = XFRAME (selected_frame); |
840 | ||
ff11dfa1 | 841 | if (clear_frame_hook |
e52f4e08 | 842 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 843 | { |
ff11dfa1 | 844 | (*clear_frame_hook) (); |
08a24c47 JB |
845 | return; |
846 | } | |
ff11dfa1 | 847 | if (TS_clr_frame) |
08a24c47 JB |
848 | { |
849 | background_highlight (); | |
ff11dfa1 | 850 | OUTPUT (TS_clr_frame); |
e52f4e08 | 851 | bzero (chars_wasted, FRAME_HEIGHT (sf)); |
08a24c47 JB |
852 | cmat (0, 0); |
853 | } | |
854 | else | |
855 | { | |
856 | cursor_to (0, 0); | |
857 | clear_to_end (); | |
858 | } | |
859 | } | |
860 | ||
861 | /* Clear to end of line, but do not clear any standout marker. | |
862 | Assumes that the cursor is positioned at a character of real text, | |
863 | which implies it cannot be before a standout marker | |
864 | unless the marker has zero width. | |
865 | ||
866 | Note that the cursor may be moved. */ | |
867 | ||
dfcf069d | 868 | void |
08a24c47 JB |
869 | clear_end_of_line (first_unused_hpos) |
870 | int first_unused_hpos; | |
871 | { | |
e52f4e08 | 872 | if (FRAME_TERMCAP_P (XFRAME (selected_frame)) |
36cae867 | 873 | && chars_wasted != 0 |
08a24c47 | 874 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a168702a | 875 | write_glyphs (&space_glyph, 1); |
08a24c47 JB |
876 | clear_end_of_line_raw (first_unused_hpos); |
877 | } | |
878 | ||
879 | /* Clear from cursor to end of line. | |
880 | Assume that the line is already clear starting at column first_unused_hpos. | |
881 | If the cursor is at a standout marker, erase the marker. | |
882 | ||
883 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
884 | ||
dfcf069d | 885 | void |
08a24c47 JB |
886 | clear_end_of_line_raw (first_unused_hpos) |
887 | int first_unused_hpos; | |
888 | { | |
889 | register int i; | |
890 | ||
891 | if (clear_end_of_line_hook | |
1820044b | 892 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 893 | ? updating_frame |
e52f4e08 | 894 | : XFRAME (selected_frame)))) |
08a24c47 JB |
895 | { |
896 | (*clear_end_of_line_hook) (first_unused_hpos); | |
897 | return; | |
898 | } | |
899 | ||
36cae867 KH |
900 | /* Detect the case where we are called from reset_sys_modes |
901 | and the costs have never been calculated. Do nothing. */ | |
902 | if (chars_wasted == 0) | |
903 | return; | |
904 | ||
08a24c47 JB |
905 | first_unused_hpos += chars_wasted[curY] & 077; |
906 | if (curX >= first_unused_hpos) | |
907 | return; | |
908 | /* Notice if we are erasing a magic cookie */ | |
909 | if (curX == 0) | |
910 | chars_wasted[curY] = 0; | |
911 | background_highlight (); | |
912 | if (TS_clr_line) | |
913 | { | |
914 | OUTPUT1 (TS_clr_line); | |
915 | } | |
916 | else | |
917 | { /* have to do it the hard way */ | |
e52f4e08 | 918 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
919 | turn_off_insert (); |
920 | ||
a168702a | 921 | /* Do not write in last row last col with Auto-wrap on. */ |
e52f4e08 GM |
922 | if (AutoWrap && curY == FRAME_HEIGHT (sf) - 1 |
923 | && first_unused_hpos == FRAME_WIDTH (sf)) | |
08a24c47 JB |
924 | first_unused_hpos--; |
925 | ||
926 | for (i = curX; i < first_unused_hpos; i++) | |
927 | { | |
928 | if (termscript) | |
929 | fputc (' ', termscript); | |
930 | putchar (' '); | |
931 | } | |
932 | cmplus (first_unused_hpos - curX); | |
933 | } | |
934 | } | |
935 | \f | |
a4decb7f KH |
936 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
937 | store them at DST. Do not write more than DST_LEN bytes. That may | |
938 | require stopping before all SRC_LEN input glyphs have been | |
939 | converted. | |
940 | ||
941 | We store the number of glyphs actually converted in *CONSUMED. The | |
942 | return value is the number of bytes store in DST. */ | |
943 | ||
944 | int | |
945 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
a168702a | 946 | struct glyph *src; |
a4decb7f KH |
947 | int src_len; |
948 | unsigned char *dst; | |
949 | int dst_len, *consumed; | |
950 | { | |
a168702a | 951 | struct glyph *src_start = src, *src_end = src + src_len; |
a4decb7f | 952 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; |
085d5908 KH |
953 | register GLYPH g; |
954 | unsigned int c; | |
c7cba11d | 955 | unsigned char workbuf[MAX_MULTIBYTE_LENGTH], *buf; |
6589fd67 | 956 | int len; |
a4decb7f KH |
957 | register int tlen = GLYPH_TABLE_LENGTH; |
958 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
f3ac545f | 959 | int result; |
6589fd67 KH |
960 | struct coding_system *coding; |
961 | ||
1ac0700a KH |
962 | /* If terminal_coding does any conversion, use it, otherwise use |
963 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
964 | because it always return 1 if the member src_multibyte is 1. */ | |
965 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
6589fd67 KH |
966 | ? &terminal_coding |
967 | : &safe_terminal_coding); | |
a4decb7f KH |
968 | |
969 | while (src < src_end) | |
970 | { | |
a4decb7f | 971 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 972 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 973 | { |
32de38e4 KH |
974 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
975 | ||
976 | if (g < 0 || g >= tlen) | |
085d5908 | 977 | { |
32de38e4 KH |
978 | /* This glyph doesn't has an entry in Vglyph_table. */ |
979 | if (! CHAR_VALID_P (src->u.ch, 0)) | |
980 | { | |
981 | len = 1; | |
982 | buf = " "; | |
f2ba40be | 983 | coding->src_multibyte = 0; |
32de38e4 KH |
984 | } |
985 | else | |
986 | { | |
987 | len = CHAR_STRING (src->u.ch, workbuf); | |
988 | buf = workbuf; | |
f2ba40be | 989 | coding->src_multibyte = 1; |
32de38e4 | 990 | } |
085d5908 | 991 | } |
32de38e4 | 992 | else |
a4decb7f | 993 | { |
32de38e4 | 994 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
995 | so process any alias before testing for simpleness. */ |
996 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
997 | |
998 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
999 | { | |
c989b7be KH |
1000 | /* We set the multi-byte form of a character in G |
1001 | (that should be an ASCII character) at | |
1002 | WORKBUF. */ | |
1003 | workbuf[0] = FAST_GLYPH_CHAR (g); | |
1004 | len = 1; | |
32de38e4 | 1005 | buf = workbuf; |
f2ba40be | 1006 | coding->src_multibyte = 0; |
32de38e4 KH |
1007 | } |
1008 | else | |
1009 | { | |
1010 | /* We have a string in Vglyph_table. */ | |
1011 | len = GLYPH_LENGTH (tbase, g); | |
1012 | buf = GLYPH_STRING (tbase, g); | |
f2ba40be | 1013 | coding->src_multibyte = STRING_MULTIBYTE (tbase[g]); |
32de38e4 | 1014 | } |
171d7f24 | 1015 | } |
a4decb7f | 1016 | |
f3ac545f | 1017 | result = encode_coding (coding, buf, dst, len, dst_end - dst); |
c42869c4 | 1018 | len -= coding->consumed; |
6589fd67 | 1019 | dst += coding->produced; |
f3ac545f KH |
1020 | if (result == CODING_FINISH_INSUFFICIENT_DST |
1021 | || (result == CODING_FINISH_INSUFFICIENT_SRC | |
1022 | && len > dst_end - dst)) | |
1023 | /* The remaining output buffer is too short. We must | |
1024 | break the loop here without increasing SRC so that the | |
1025 | next call of this function starts from the same glyph. */ | |
1026 | break; | |
1027 | ||
c42869c4 KH |
1028 | if (len > 0) |
1029 | { | |
f3ac545f KH |
1030 | /* This is the case that a code of the range 0200..0237 |
1031 | exists in buf. We must just write out such a code. */ | |
1032 | buf += coding->consumed; | |
1033 | while (len--) | |
1034 | *dst++ = *buf++; | |
c42869c4 | 1035 | } |
a4decb7f KH |
1036 | } |
1037 | src++; | |
1038 | } | |
a168702a | 1039 | |
a4decb7f KH |
1040 | *consumed = src - src_start; |
1041 | return (dst - dst_start); | |
1042 | } | |
1043 | ||
08a24c47 | 1044 | |
dfcf069d | 1045 | void |
08a24c47 | 1046 | write_glyphs (string, len) |
a168702a | 1047 | register struct glyph *string; |
08a24c47 JB |
1048 | register int len; |
1049 | { | |
a4decb7f | 1050 | int produced, consumed; |
e52f4e08 GM |
1051 | struct frame *sf = XFRAME (selected_frame); |
1052 | struct frame *f = updating_frame ? updating_frame : sf; | |
d2fdb076 KH |
1053 | unsigned char conversion_buffer[1024]; |
1054 | int conversion_buffer_size = sizeof conversion_buffer; | |
08a24c47 JB |
1055 | |
1056 | if (write_glyphs_hook | |
a168702a | 1057 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
1058 | { |
1059 | (*write_glyphs_hook) (string, len); | |
1060 | return; | |
1061 | } | |
1062 | ||
08a24c47 JB |
1063 | turn_off_insert (); |
1064 | ||
a168702a | 1065 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 1066 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
1067 | |
1068 | if (AutoWrap | |
e52f4e08 GM |
1069 | && curY + 1 == FRAME_HEIGHT (sf) |
1070 | && (curX + len - (chars_wasted[curY] & 077) == FRAME_WIDTH (sf))) | |
08a24c47 | 1071 | len --; |
a4decb7f KH |
1072 | if (len <= 0) |
1073 | return; | |
08a24c47 JB |
1074 | |
1075 | cmplus (len); | |
a168702a | 1076 | |
6589fd67 KH |
1077 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
1078 | the tail. */ | |
1079 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
a168702a | 1080 | |
a4decb7f | 1081 | while (len > 0) |
08a24c47 | 1082 | { |
a168702a | 1083 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 1084 | int face_id = string->face_id; |
a168702a GM |
1085 | int n; |
1086 | ||
1087 | for (n = 1; n < len; ++n) | |
32de38e4 | 1088 | if (string[n].face_id != face_id) |
a168702a GM |
1089 | break; |
1090 | ||
1091 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 1092 | highlight_if_desired (); |
a168702a GM |
1093 | turn_on_face (f, face_id); |
1094 | ||
1095 | while (n > 0) | |
08a24c47 | 1096 | { |
d2fdb076 KH |
1097 | /* We use a fixed size (1024 bytes) of conversion buffer. |
1098 | Usually it is sufficient, but if not, we just repeat the | |
1099 | loop. */ | |
a168702a GM |
1100 | produced = encode_terminal_code (string, conversion_buffer, |
1101 | n, conversion_buffer_size, | |
1102 | &consumed); | |
1103 | if (produced > 0) | |
1104 | { | |
1105 | fwrite (conversion_buffer, 1, produced, stdout); | |
1106 | if (ferror (stdout)) | |
1107 | clearerr (stdout); | |
1108 | if (termscript) | |
1109 | fwrite (conversion_buffer, 1, produced, termscript); | |
1110 | } | |
1111 | len -= consumed; | |
1112 | n -= consumed; | |
1113 | string += consumed; | |
08a24c47 | 1114 | } |
a168702a GM |
1115 | |
1116 | /* Turn appearance modes off. */ | |
1117 | turn_off_face (f, face_id); | |
65aa5e85 | 1118 | turn_off_highlight (); |
a4decb7f | 1119 | } |
a168702a | 1120 | |
a4decb7f | 1121 | /* We may have to output some codes to terminate the writing. */ |
ca1e6a13 | 1122 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 1123 | { |
6589fd67 | 1124 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
1814bd62 | 1125 | encode_coding (&terminal_coding, "", conversion_buffer, |
6589fd67 KH |
1126 | 0, conversion_buffer_size); |
1127 | if (terminal_coding.produced > 0) | |
df8bf431 | 1128 | { |
6589fd67 | 1129 | fwrite (conversion_buffer, 1, terminal_coding.produced, stdout); |
df8bf431 KH |
1130 | if (ferror (stdout)) |
1131 | clearerr (stdout); | |
1132 | if (termscript) | |
6589fd67 KH |
1133 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
1134 | termscript); | |
df8bf431 | 1135 | } |
08a24c47 | 1136 | } |
a168702a | 1137 | |
9a6b6f92 | 1138 | cmcheckmagic (); |
08a24c47 JB |
1139 | } |
1140 | ||
1141 | /* If start is zero, insert blanks instead of a string at start */ | |
1142 | ||
dfcf069d | 1143 | void |
08a24c47 | 1144 | insert_glyphs (start, len) |
a168702a | 1145 | register struct glyph *start; |
08a24c47 JB |
1146 | register int len; |
1147 | { | |
1148 | char *buf; | |
6bbd7a29 | 1149 | struct glyph *glyph = NULL; |
e52f4e08 | 1150 | struct frame *f, *sf; |
08a24c47 | 1151 | |
a4decb7f KH |
1152 | if (len <= 0) |
1153 | return; | |
1154 | ||
a168702a | 1155 | if (insert_glyphs_hook) |
08a24c47 JB |
1156 | { |
1157 | (*insert_glyphs_hook) (start, len); | |
1158 | return; | |
1159 | } | |
a168702a | 1160 | |
e52f4e08 GM |
1161 | sf = XFRAME (selected_frame); |
1162 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1163 | |
1164 | if (TS_ins_multi_chars) | |
1165 | { | |
1166 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1167 | OUTPUT1 (buf); | |
9ac0d9e0 | 1168 | xfree (buf); |
08a24c47 JB |
1169 | if (start) |
1170 | write_glyphs (start, len); | |
1171 | return; | |
1172 | } | |
1173 | ||
1174 | turn_on_insert (); | |
1175 | cmplus (len); | |
6589fd67 KH |
1176 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
1177 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 1178 | while (len-- > 0) |
08a24c47 | 1179 | { |
a4decb7f | 1180 | int produced, consumed; |
d2fdb076 KH |
1181 | unsigned char conversion_buffer[1024]; |
1182 | int conversion_buffer_size = sizeof conversion_buffer; | |
a4decb7f | 1183 | |
08a24c47 JB |
1184 | OUTPUT1_IF (TS_ins_char); |
1185 | if (!start) | |
32de38e4 KH |
1186 | { |
1187 | conversion_buffer[0] = SPACEGLYPH; | |
1188 | produced = 1; | |
1189 | } | |
08a24c47 | 1190 | else |
08a24c47 | 1191 | { |
65aa5e85 | 1192 | highlight_if_desired (); |
32de38e4 | 1193 | turn_on_face (f, start->face_id); |
816be8b8 | 1194 | glyph = start; |
a168702a | 1195 | ++start; |
a4decb7f KH |
1196 | /* We must open sufficient space for a character which |
1197 | occupies more than one column. */ | |
a168702a | 1198 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1199 | { |
1200 | OUTPUT1_IF (TS_ins_char); | |
1201 | start++, len--; | |
1202 | } | |
a4decb7f | 1203 | |
32de38e4 KH |
1204 | if (len <= 0) |
1205 | /* This is the last glyph. */ | |
1206 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; | |
1207 | ||
d2fdb076 KH |
1208 | /* The size of conversion buffer (1024 bytes) is surely |
1209 | sufficient for just one glyph. */ | |
816be8b8 | 1210 | produced = encode_terminal_code (glyph, conversion_buffer, 1, |
32de38e4 KH |
1211 | conversion_buffer_size, &consumed); |
1212 | } | |
a4decb7f | 1213 | |
a4decb7f | 1214 | if (produced > 0) |
08a24c47 | 1215 | { |
a4decb7f | 1216 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
1217 | if (ferror (stdout)) |
1218 | clearerr (stdout); | |
1219 | if (termscript) | |
a4decb7f | 1220 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
1221 | } |
1222 | ||
9a6b6f92 | 1223 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1224 | if (start) |
65aa5e85 GM |
1225 | { |
1226 | turn_off_face (f, glyph->face_id); | |
1227 | turn_off_highlight (); | |
1228 | } | |
9a6b6f92 | 1229 | } |
a168702a | 1230 | |
9a6b6f92 | 1231 | cmcheckmagic (); |
08a24c47 JB |
1232 | } |
1233 | ||
dfcf069d | 1234 | void |
08a24c47 JB |
1235 | delete_glyphs (n) |
1236 | register int n; | |
1237 | { | |
1238 | char *buf; | |
1239 | register int i; | |
1240 | ||
1820044b | 1241 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1242 | { |
1243 | (*delete_glyphs_hook) (n); | |
1244 | return; | |
1245 | } | |
1246 | ||
1247 | if (delete_in_insert_mode) | |
1248 | { | |
1249 | turn_on_insert (); | |
1250 | } | |
1251 | else | |
1252 | { | |
1253 | turn_off_insert (); | |
1254 | OUTPUT_IF (TS_delete_mode); | |
1255 | } | |
1256 | ||
1257 | if (TS_del_multi_chars) | |
1258 | { | |
1259 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1260 | OUTPUT1 (buf); | |
9ac0d9e0 | 1261 | xfree (buf); |
08a24c47 JB |
1262 | } |
1263 | else | |
1264 | for (i = 0; i < n; i++) | |
1265 | OUTPUT1 (TS_del_char); | |
1266 | if (!delete_in_insert_mode) | |
1267 | OUTPUT_IF (TS_end_delete_mode); | |
1268 | } | |
1269 | \f | |
1270 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1271 | ||
dfcf069d | 1272 | void |
08a24c47 JB |
1273 | ins_del_lines (vpos, n) |
1274 | int vpos, n; | |
1275 | { | |
1276 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1277 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1278 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1279 | struct frame *sf; |
08a24c47 JB |
1280 | |
1281 | register int i = n > 0 ? n : -n; | |
1282 | register char *buf; | |
1283 | ||
1820044b | 1284 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1285 | { |
1286 | (*ins_del_lines_hook) (vpos, n); | |
1287 | return; | |
1288 | } | |
1289 | ||
e52f4e08 GM |
1290 | sf = XFRAME (selected_frame); |
1291 | ||
08a24c47 JB |
1292 | /* If the lines below the insertion are being pushed |
1293 | into the end of the window, this is the same as clearing; | |
1294 | and we know the lines are already clear, since the matching | |
1295 | deletion has already been done. So can ignore this. */ | |
1296 | /* If the lines below the deletion are blank lines coming | |
1297 | out of the end of the window, don't bother, | |
1298 | as there will be a matching inslines later that will flush them. */ | |
1299 | if (scroll_region_ok && vpos + i >= specified_window) | |
1300 | return; | |
e52f4e08 | 1301 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (sf)) |
08a24c47 JB |
1302 | return; |
1303 | ||
1304 | if (multi) | |
1305 | { | |
1306 | raw_cursor_to (vpos, 0); | |
1307 | background_highlight (); | |
1308 | buf = tparam (multi, 0, 0, i); | |
1309 | OUTPUT (buf); | |
9ac0d9e0 | 1310 | xfree (buf); |
08a24c47 JB |
1311 | } |
1312 | else if (single) | |
1313 | { | |
1314 | raw_cursor_to (vpos, 0); | |
1315 | background_highlight (); | |
1316 | while (--i >= 0) | |
1317 | OUTPUT (single); | |
1318 | if (TF_teleray) | |
1319 | curX = 0; | |
1320 | } | |
1321 | else | |
1322 | { | |
1323 | set_scroll_region (vpos, specified_window); | |
1324 | if (n < 0) | |
1325 | raw_cursor_to (specified_window - 1, 0); | |
1326 | else | |
1327 | raw_cursor_to (vpos, 0); | |
1328 | background_highlight (); | |
1329 | while (--i >= 0) | |
1330 | OUTPUTL (scroll, specified_window - vpos); | |
1331 | set_scroll_region (0, specified_window); | |
1332 | } | |
1333 | ||
1334 | if (TN_standout_width >= 0) | |
1335 | { | |
dfcf069d | 1336 | register int lower_limit |
08a24c47 JB |
1337 | = (scroll_region_ok |
1338 | ? specified_window | |
e52f4e08 | 1339 | : FRAME_HEIGHT (sf)); |
08a24c47 JB |
1340 | |
1341 | if (n < 0) | |
1342 | { | |
1343 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1344 | lower_limit - vpos + n); | |
1345 | bzero (&chars_wasted[lower_limit + n], - n); | |
1346 | } | |
1347 | else | |
1348 | { | |
1349 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1350 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1351 | lower_limit - vpos - n); | |
1352 | bzero (&chars_wasted[vpos], n); | |
1353 | } | |
1354 | } | |
ff11dfa1 | 1355 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1356 | { |
e52f4e08 | 1357 | cursor_to (FRAME_HEIGHT (sf) + n, 0); |
08a24c47 JB |
1358 | clear_to_end (); |
1359 | } | |
1360 | } | |
1361 | \f | |
1362 | /* Compute cost of sending "str", in characters, | |
1363 | not counting any line-dependent padding. */ | |
1364 | ||
1365 | int | |
1366 | string_cost (str) | |
1367 | char *str; | |
1368 | { | |
1369 | cost = 0; | |
1370 | if (str) | |
1371 | tputs (str, 0, evalcost); | |
1372 | return cost; | |
1373 | } | |
1374 | ||
1375 | /* Compute cost of sending "str", in characters, | |
1376 | counting any line-dependent padding at one line. */ | |
1377 | ||
1378 | static int | |
1379 | string_cost_one_line (str) | |
1380 | char *str; | |
1381 | { | |
1382 | cost = 0; | |
1383 | if (str) | |
1384 | tputs (str, 1, evalcost); | |
1385 | return cost; | |
1386 | } | |
1387 | ||
1388 | /* Compute per line amount of line-dependent padding, | |
1389 | in tenths of characters. */ | |
1390 | ||
1391 | int | |
1392 | per_line_cost (str) | |
1393 | register char *str; | |
1394 | { | |
1395 | cost = 0; | |
1396 | if (str) | |
1397 | tputs (str, 0, evalcost); | |
1398 | cost = - cost; | |
1399 | if (str) | |
1400 | tputs (str, 10, evalcost); | |
1401 | return cost; | |
1402 | } | |
1403 | ||
1404 | #ifndef old | |
1405 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1406 | char_ins_del_cost[-n] is cost of deleting N characters. |
1407 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1408 | |
1409 | int *char_ins_del_vector; | |
1410 | ||
ff11dfa1 | 1411 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1412 | #endif |
1413 | ||
1414 | /* ARGSUSED */ | |
1415 | static void | |
ff11dfa1 JB |
1416 | calculate_ins_del_char_costs (frame) |
1417 | FRAME_PTR frame; | |
08a24c47 JB |
1418 | { |
1419 | int ins_startup_cost, del_startup_cost; | |
1420 | int ins_cost_per_char, del_cost_per_char; | |
1421 | register int i; | |
1422 | register int *p; | |
1423 | ||
1424 | if (TS_ins_multi_chars) | |
1425 | { | |
1426 | ins_cost_per_char = 0; | |
1427 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1428 | } | |
1429 | else if (TS_ins_char || TS_pad_inserted_char | |
1430 | || (TS_insert_mode && TS_end_insert_mode)) | |
1431 | { | |
1432 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1433 | + string_cost (TS_end_insert_mode))) / 100; | |
1434 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1435 | + string_cost_one_line (TS_pad_inserted_char)); | |
1436 | } | |
1437 | else | |
1438 | { | |
1439 | ins_startup_cost = 9999; | |
1440 | ins_cost_per_char = 0; | |
1441 | } | |
1442 | ||
1443 | if (TS_del_multi_chars) | |
1444 | { | |
1445 | del_cost_per_char = 0; | |
1446 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1447 | } | |
1448 | else if (TS_del_char) | |
1449 | { | |
1450 | del_startup_cost = (string_cost (TS_delete_mode) | |
1451 | + string_cost (TS_end_delete_mode)); | |
1452 | if (delete_in_insert_mode) | |
1453 | del_startup_cost /= 2; | |
1454 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1455 | } | |
1456 | else | |
1457 | { | |
1458 | del_startup_cost = 9999; | |
1459 | del_cost_per_char = 0; | |
1460 | } | |
1461 | ||
1462 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1463 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1464 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1465 | *--p = (del_startup_cost += del_cost_per_char); |
1466 | ||
1467 | /* Doing nothing is free */ | |
ff11dfa1 | 1468 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1469 | *p++ = 0; |
1470 | ||
1471 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1472 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1473 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1474 | } | |
1475 | ||
dfcf069d | 1476 | void |
ff11dfa1 JB |
1477 | calculate_costs (frame) |
1478 | FRAME_PTR frame; | |
08a24c47 | 1479 | { |
9f732a77 RS |
1480 | register char *f = (TS_set_scroll_region |
1481 | ? TS_set_scroll_region | |
1482 | : TS_set_scroll_region_1); | |
08a24c47 | 1483 | |
9f732a77 | 1484 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1485 | |
be7cd44f | 1486 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1487 | |
1488 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1489 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1490 | |
1491 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1492 | X turns off char_ins_del_ok. | |
1493 | ||
1494 | chars_wasted and copybuf are only used here in term.c in cases where | |
1495 | the term hook isn't called. */ | |
1496 | ||
8dd0c7cb RS |
1497 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1498 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1499 | ||
08a24c47 | 1500 | if (chars_wasted != 0) |
8dd0c7cb | 1501 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1502 | else |
8dd0c7cb | 1503 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1504 | |
1505 | if (copybuf != 0) | |
8dd0c7cb | 1506 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1507 | else |
8dd0c7cb | 1508 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1509 | |
1510 | if (char_ins_del_vector != 0) | |
1511 | char_ins_del_vector | |
1512 | = (int *) xrealloc (char_ins_del_vector, | |
1513 | (sizeof (int) | |
8dd0c7cb | 1514 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1515 | else |
1516 | char_ins_del_vector | |
1517 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1518 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1519 | |
8dd0c7cb RS |
1520 | bzero (chars_wasted, max_frame_height); |
1521 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1522 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1523 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1524 | |
ff11dfa1 JB |
1525 | if (f && (!TS_ins_line && !TS_del_line)) |
1526 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1527 | TS_rev_scroll, TS_ins_multi_lines, |
1528 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1529 | f, f, 1); |
08a24c47 | 1530 | else |
ff11dfa1 | 1531 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1532 | TS_ins_line, TS_ins_multi_lines, |
1533 | TS_del_line, TS_del_multi_lines, | |
1534 | 0, 0, 1); | |
1535 | ||
ff11dfa1 | 1536 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1537 | |
1538 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1539 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1540 | RPov = string_cost (TS_repeat); | |
1541 | else | |
ff11dfa1 | 1542 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1543 | |
1544 | cmcostinit (); /* set up cursor motion costs */ | |
1545 | } | |
1546 | \f | |
a796ac82 JB |
1547 | struct fkey_table { |
1548 | char *cap, *name; | |
1549 | }; | |
1550 | ||
01d8deb0 ER |
1551 | /* Termcap capability names that correspond directly to X keysyms. |
1552 | Some of these (marked "terminfo") aren't supplied by old-style | |
1553 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1554 | except we put the keypad keys first, so that if they clash with | |
1555 | other keys (as on the IBM PC keyboard) they get overridden. | |
1556 | */ | |
1557 | ||
a168702a GM |
1558 | static struct fkey_table keys[] = |
1559 | { | |
01d8deb0 ER |
1560 | "kh", "home", /* termcap */ |
1561 | "kl", "left", /* termcap */ | |
1562 | "ku", "up", /* termcap */ | |
1563 | "kr", "right", /* termcap */ | |
1564 | "kd", "down", /* termcap */ | |
1565 | "%8", "prior", /* terminfo */ | |
1566 | "%5", "next", /* terminfo */ | |
1567 | "@7", "end", /* terminfo */ | |
1568 | "@1", "begin", /* terminfo */ | |
1569 | "*6", "select", /* terminfo */ | |
1570 | "%9", "print", /* terminfo */ | |
1571 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1572 | /* | |
1573 | * "insert" --- see below | |
1574 | */ | |
1575 | "&8", "undo", /* terminfo */ | |
1576 | "%0", "redo", /* terminfo */ | |
1577 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1578 | "@0", "find", /* terminfo */ | |
1579 | "@2", "cancel", /* terminfo */ | |
1580 | "%1", "help", /* terminfo */ | |
1581 | /* | |
1582 | * "break" goes here, but can't be reliably intercepted with termcap | |
1583 | */ | |
1584 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1585 | /* | |
1586 | * "system" and "user" --- no termcaps | |
1587 | */ | |
1588 | "kE", "clearline", /* terminfo */ | |
1589 | "kA", "insertline", /* terminfo */ | |
1590 | "kL", "deleteline", /* terminfo */ | |
1591 | "kI", "insertchar", /* terminfo */ | |
1592 | "kD", "deletechar", /* terminfo */ | |
1593 | "kB", "backtab", /* terminfo */ | |
1594 | /* | |
1595 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1596 | */ | |
1597 | "@8", "kp-enter", /* terminfo */ | |
1598 | /* | |
1599 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1600 | * "kp-multiply", "kp-add", "kp-separator", | |
1601 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1602 | * --- no termcaps for any of these. | |
1603 | */ | |
1604 | "K4", "kp-1", /* terminfo */ | |
1605 | /* | |
1606 | * "kp-2" --- no termcap | |
1607 | */ | |
1608 | "K5", "kp-3", /* terminfo */ | |
1609 | /* | |
1610 | * "kp-4" --- no termcap | |
1611 | */ | |
1612 | "K2", "kp-5", /* terminfo */ | |
1613 | /* | |
1614 | * "kp-6" --- no termcap | |
1615 | */ | |
1616 | "K1", "kp-7", /* terminfo */ | |
1617 | /* | |
1618 | * "kp-8" --- no termcap | |
1619 | */ | |
1620 | "K3", "kp-9", /* terminfo */ | |
1621 | /* | |
1622 | * "kp-equal" --- no termcap | |
1623 | */ | |
1624 | "k1", "f1", | |
1625 | "k2", "f2", | |
1626 | "k3", "f3", | |
1627 | "k4", "f4", | |
1628 | "k5", "f5", | |
1629 | "k6", "f6", | |
1630 | "k7", "f7", | |
1631 | "k8", "f8", | |
1632 | "k9", "f9", | |
a796ac82 JB |
1633 | }; |
1634 | ||
f2a00342 RM |
1635 | static char **term_get_fkeys_arg; |
1636 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1637 | |
01d8deb0 ER |
1638 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1639 | This function scans the termcap function key sequence entries, and | |
1640 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1641 | ||
5c2c7893 JB |
1642 | void |
1643 | term_get_fkeys (address) | |
1644 | char **address; | |
f2a00342 RM |
1645 | { |
1646 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1647 | errors during the call. The only errors should be from Fdefine_key | |
1648 | when given a key sequence containing an invalid prefix key. If the | |
1649 | termcap defines function keys which use a prefix that is already bound | |
1650 | to a command by the default bindings, we should silently ignore that | |
1651 | function key specification, rather than giving the user an error and | |
1652 | refusing to run at all on such a terminal. */ | |
1653 | ||
1654 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1655 | term_get_fkeys_arg = address; |
1656 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1657 | } | |
1658 | ||
1659 | static Lisp_Object | |
1660 | term_get_fkeys_1 () | |
5c2c7893 | 1661 | { |
5c2c7893 JB |
1662 | int i; |
1663 | ||
37085233 | 1664 | char **address = term_get_fkeys_arg; |
f778aff2 | 1665 | |
3e65092f RS |
1666 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1667 | if (!initialized) | |
1668 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1669 | ||
5c2c7893 JB |
1670 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1671 | { | |
1672 | char *sequence = tgetstr (keys[i].cap, address); | |
1673 | if (sequence) | |
f2a00342 RM |
1674 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1675 | Fmake_vector (make_number (1), | |
1676 | intern (keys[i].name))); | |
5c2c7893 | 1677 | } |
a796ac82 JB |
1678 | |
1679 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1680 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1681 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1682 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1683 | */ | |
1684 | { | |
1685 | char *k_semi = tgetstr ("k;", address); | |
1686 | char *k0 = tgetstr ("k0", address); | |
1687 | char *k0_name = "f10"; | |
1688 | ||
1689 | if (k_semi) | |
1690 | { | |
f2a00342 RM |
1691 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1692 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1693 | k0_name = "f0"; |
1694 | } | |
1695 | ||
1696 | if (k0) | |
f2a00342 RM |
1697 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1698 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1699 | } |
01d8deb0 ER |
1700 | |
1701 | /* Set up cookies for numbered function keys above f10. */ | |
1702 | { | |
1703 | char fcap[3], fkey[4]; | |
1704 | ||
fc4f24da | 1705 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1706 | for (i = 11; i < 64; i++) |
1707 | { | |
1708 | if (i <= 19) | |
1709 | fcap[1] = '1' + i - 11; | |
1710 | else if (i <= 45) | |
b59ab95c | 1711 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1712 | else |
b59ab95c | 1713 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1714 | |
fc4f24da RS |
1715 | { |
1716 | char *sequence = tgetstr (fcap, address); | |
1717 | if (sequence) | |
1718 | { | |
465db27b | 1719 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1720 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1721 | Fmake_vector (make_number (1), | |
1722 | intern (fkey))); | |
fc4f24da RS |
1723 | } |
1724 | } | |
01d8deb0 ER |
1725 | } |
1726 | } | |
1727 | ||
1728 | /* | |
1729 | * Various mappings to try and get a better fit. | |
1730 | */ | |
1731 | { | |
fc4f24da RS |
1732 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1733 | if (!tgetstr (cap1, address)) \ | |
1734 | { \ | |
1735 | char *sequence = tgetstr (cap2, address); \ | |
1736 | if (sequence) \ | |
f2a00342 RM |
1737 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1738 | Fmake_vector (make_number (1), \ | |
1739 | intern (sym))); \ | |
fc4f24da | 1740 | } |
01d8deb0 ER |
1741 | |
1742 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1743 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1744 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1745 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1746 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1747 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1748 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1749 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1750 | |
1751 | /* IBM has their own non-standard dialect of terminfo. | |
1752 | If the standard name isn't found, try the IBM name. */ | |
1753 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1754 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1755 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1756 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1757 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1758 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1759 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1760 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1761 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1762 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1763 | } |
a168702a GM |
1764 | |
1765 | return Qnil; | |
5c2c7893 JB |
1766 | } |
1767 | ||
1768 | \f | |
a168702a GM |
1769 | /*********************************************************************** |
1770 | Character Display Information | |
1771 | ***********************************************************************/ | |
1772 | ||
1773 | static void append_glyph P_ ((struct it *)); | |
1774 | ||
1775 | ||
1776 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1777 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1778 | for which to produce glyphs; IT->face_id contains the character's | |
1779 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1780 | 1. */ | |
1781 | ||
1782 | static void | |
1783 | append_glyph (it) | |
1784 | struct it *it; | |
1785 | { | |
1786 | struct glyph *glyph, *end; | |
1787 | int i; | |
1788 | ||
1789 | xassert (it->glyph_row); | |
1790 | glyph = (it->glyph_row->glyphs[it->area] | |
1791 | + it->glyph_row->used[it->area]); | |
1792 | end = it->glyph_row->glyphs[1 + it->area]; | |
1793 | ||
1794 | for (i = 0; | |
1795 | i < it->pixel_width && glyph < end; | |
1796 | ++i) | |
1797 | { | |
1798 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1799 | glyph->pixel_width = 1; |
32de38e4 KH |
1800 | glyph->u.ch = it->c; |
1801 | glyph->face_id = it->face_id; | |
1802 | glyph->padding_p = i > 0; | |
a168702a GM |
1803 | glyph->charpos = CHARPOS (it->position); |
1804 | glyph->object = it->object; | |
1805 | ||
1806 | ++it->glyph_row->used[it->area]; | |
1807 | ++glyph; | |
1808 | } | |
1809 | } | |
1810 | ||
1811 | ||
1812 | /* Produce glyphs for the display element described by IT. The | |
1813 | function fills output fields of IT with pixel information like the | |
1814 | pixel width and height of a character, and maybe produces glyphs at | |
1815 | the same time if IT->glyph_row is non-null. See the explanation of | |
1816 | struct display_iterator in dispextern.h for an overview. */ | |
1817 | ||
1818 | void | |
1819 | produce_glyphs (it) | |
1820 | struct it *it; | |
1821 | { | |
1822 | /* If a hook is installed, let it do the work. */ | |
1823 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1824 | || it->what == IT_COMPOSITION |
a168702a GM |
1825 | || it->what == IT_IMAGE |
1826 | || it->what == IT_STRETCH); | |
1827 | ||
c7cba11d KH |
1828 | /* Nothing but characters are supported on terminal frames. For a |
1829 | composition sequence, it->c is the first character of the | |
1830 | sequence. */ | |
1831 | xassert (it->what == IT_CHARACTER | |
1832 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1833 | |
1834 | if (it->c >= 040 && it->c < 0177) | |
1835 | { | |
1836 | it->pixel_width = it->nglyphs = 1; | |
1837 | if (it->glyph_row) | |
1838 | append_glyph (it); | |
1839 | } | |
1840 | else if (it->c == '\n') | |
1841 | it->pixel_width = it->nglyphs = 0; | |
1842 | else if (it->c == '\t') | |
1843 | { | |
2efdbcdd | 1844 | int absolute_x = (it->current_x |
a168702a GM |
1845 | + it->continuation_lines_width); |
1846 | int next_tab_x | |
1847 | = (((1 + absolute_x + it->tab_width - 1) | |
1848 | / it->tab_width) | |
1849 | * it->tab_width); | |
1850 | int nspaces; | |
1851 | ||
1852 | /* If part of the TAB has been displayed on the previous line | |
1853 | which is continued now, continuation_lines_width will have | |
1854 | been incremented already by the part that fitted on the | |
1855 | continued line. So, we will get the right number of spaces | |
1856 | here. */ | |
1857 | nspaces = next_tab_x - absolute_x; | |
1858 | ||
1859 | if (it->glyph_row) | |
1860 | { | |
1861 | int n = nspaces; | |
1862 | ||
1863 | it->c = ' '; | |
1864 | it->pixel_width = it->len = 1; | |
1865 | ||
1866 | while (n--) | |
1867 | append_glyph (it); | |
1868 | ||
1869 | it->c = '\t'; | |
1870 | } | |
1871 | ||
1872 | it->pixel_width = nspaces; | |
1873 | it->nglyphs = nspaces; | |
1874 | } | |
add44890 EZ |
1875 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1876 | { | |
cf872af5 | 1877 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1878 | must send the code as is to the terminal. Although there's |
1879 | no way to know how many columns it occupies on a screen, it | |
1880 | is a good assumption that a single byte code has 1-column | |
1881 | width. */ | |
1882 | it->pixel_width = it->nglyphs = 1; | |
1883 | if (it->glyph_row) | |
1884 | append_glyph (it); | |
1885 | } | |
a168702a GM |
1886 | else |
1887 | { | |
c7cba11d KH |
1888 | /* A multi-byte character. The display width is fixed for all |
1889 | characters of the set. Some of the glyphs may have to be | |
1890 | ignored because they are already displayed in a continued | |
1891 | line. */ | |
a168702a GM |
1892 | int charset = CHAR_CHARSET (it->c); |
1893 | ||
c7cba11d | 1894 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a GM |
1895 | it->nglyphs = it->pixel_width; |
1896 | ||
1897 | if (it->glyph_row) | |
1898 | append_glyph (it); | |
1899 | } | |
1900 | ||
1901 | /* Advance current_x by the pixel width as a convenience for | |
1902 | the caller. */ | |
1903 | if (it->area == TEXT_AREA) | |
1904 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1905 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1906 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1907 | } |
1908 | ||
1909 | ||
1910 | /* Get information about special display element WHAT in an | |
1911 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1912 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1913 | non-null glyph_row member. This function ensures that fields like | |
1914 | face_id, c, len of IT are left untouched. */ | |
1915 | ||
1916 | void | |
1917 | produce_special_glyphs (it, what) | |
1918 | struct it *it; | |
1919 | enum display_element_type what; | |
1920 | { | |
1921 | struct it temp_it; | |
1922 | ||
1923 | temp_it = *it; | |
1924 | temp_it.dp = NULL; | |
1925 | temp_it.what = IT_CHARACTER; | |
1926 | temp_it.len = 1; | |
7c752c80 | 1927 | temp_it.object = make_number (0); |
a168702a GM |
1928 | bzero (&temp_it.current, sizeof temp_it.current); |
1929 | ||
1930 | if (what == IT_CONTINUATION) | |
1931 | { | |
1932 | /* Continuation glyph. */ | |
1933 | if (it->dp | |
1934 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1935 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1936 | { | |
1937 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it->dp))); | |
68526af5 | 1938 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1939 | } |
1940 | else | |
1941 | temp_it.c = '\\'; | |
1942 | ||
1943 | produce_glyphs (&temp_it); | |
1944 | it->pixel_width = temp_it.pixel_width; | |
1945 | it->nglyphs = temp_it.pixel_width; | |
1946 | } | |
1947 | else if (what == IT_TRUNCATION) | |
1948 | { | |
1949 | /* Truncation glyph. */ | |
1950 | if (it->dp | |
1951 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1952 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1953 | { | |
1954 | temp_it.c = FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it->dp))); | |
68526af5 | 1955 | temp_it.len = CHAR_BYTES (temp_it.c); |
a168702a GM |
1956 | } |
1957 | else | |
1958 | temp_it.c = '$'; | |
1959 | ||
1960 | produce_glyphs (&temp_it); | |
1961 | it->pixel_width = temp_it.pixel_width; | |
1962 | it->nglyphs = temp_it.pixel_width; | |
1963 | } | |
1964 | else | |
1965 | abort (); | |
1966 | } | |
1967 | ||
1968 | ||
1969 | /* Return an estimation of the pixel height of mode or top lines on | |
1970 | frame F. FACE_ID specifies what line's height to estimate. */ | |
1971 | ||
1972 | int | |
1973 | estimate_mode_line_height (f, face_id) | |
1974 | struct frame *f; | |
1975 | enum face_id face_id; | |
1976 | { | |
1977 | if (estimate_mode_line_height_hook) | |
1978 | return estimate_mode_line_height_hook (f, face_id); | |
1979 | else | |
1980 | return 1; | |
1981 | } | |
1982 | ||
1983 | ||
1984 | \f | |
1985 | /*********************************************************************** | |
1986 | Faces | |
1987 | ***********************************************************************/ | |
1988 | ||
4e6ba4a4 GM |
1989 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1990 | one of the enumerators from enum no_color_bit, or a bit set built | |
1991 | from them. Some display attributes may not be used together with | |
1992 | color; the termcap capability `NC' specifies which ones. */ | |
1993 | ||
1994 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
1995 | (TN_max_colors > 0 \ | |
1996 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
1997 | : 1) | |
a168702a GM |
1998 | |
1999 | /* Turn appearances of face FACE_ID on tty frame F on. */ | |
2000 | ||
2001 | static void | |
2002 | turn_on_face (f, face_id) | |
2003 | struct frame *f; | |
2004 | int face_id; | |
2005 | { | |
2006 | struct face *face = FACE_FROM_ID (f, face_id); | |
2007 | ||
2008 | xassert (face != NULL); | |
2009 | ||
2010 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
2011 | { |
2012 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
2013 | OUTPUT1_IF (TS_enter_bold_mode); | |
2014 | } | |
a168702a | 2015 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
2016 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
2017 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
2018 | |
2019 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2020 | if (face->tty_alt_charset_p |
2021 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2022 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2023 | ||
4e6ba4a4 GM |
2024 | if (face->tty_blinking_p |
2025 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2026 | OUTPUT1_IF (TS_enter_blink_mode); |
2027 | ||
2028 | if (face->tty_underline_p | |
2029 | /* Don't underline if that's difficult. */ | |
4e6ba4a4 GM |
2030 | && TN_magic_cookie_glitch_ul <= 0 |
2031 | && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) | |
a168702a GM |
2032 | OUTPUT1_IF (TS_enter_underline_mode); |
2033 | ||
4e6ba4a4 GM |
2034 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) |
2035 | if (face->tty_reverse_p | |
2036 | || face->foreground == FACE_TTY_DEFAULT_BG_COLOR | |
2037 | || face->background == FACE_TTY_DEFAULT_FG_COLOR) | |
2038 | OUTPUT1_IF (TS_enter_reverse_mode); | |
a168702a GM |
2039 | |
2040 | if (TN_max_colors > 0) | |
2041 | { | |
2042 | char *p; | |
2043 | ||
2044 | if (face->foreground != FACE_TTY_DEFAULT_COLOR | |
f9d2fdc4 EZ |
2045 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR |
2046 | && face->foreground != FACE_TTY_DEFAULT_BG_COLOR | |
a168702a GM |
2047 | && TS_set_foreground) |
2048 | { | |
2049 | p = tparam (TS_set_foreground, NULL, 0, (int) face->foreground); | |
2050 | OUTPUT (p); | |
2051 | xfree (p); | |
2052 | } | |
2053 | ||
2054 | if (face->background != FACE_TTY_DEFAULT_COLOR | |
f9d2fdc4 EZ |
2055 | && face->background != FACE_TTY_DEFAULT_BG_COLOR |
2056 | && face->background != FACE_TTY_DEFAULT_FG_COLOR | |
a168702a GM |
2057 | && TS_set_background) |
2058 | { | |
2059 | p = tparam (TS_set_background, NULL, 0, (int) face->background); | |
2060 | OUTPUT (p); | |
2061 | xfree (p); | |
2062 | } | |
2063 | } | |
2064 | } | |
2065 | ||
2066 | ||
2067 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2068 | ||
2069 | static void | |
2070 | turn_off_face (f, face_id) | |
2071 | struct frame *f; | |
2072 | int face_id; | |
2073 | { | |
2074 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2075 | |
2076 | xassert (face != NULL); | |
2077 | ||
2078 | if (TS_exit_attribute_mode) | |
2079 | { | |
2080 | /* Capability "me" will turn off appearance modes double-bright, | |
2081 | half-bright, reverse-video, standout, underline. It may or | |
2082 | may not turn off alt-char-mode. */ | |
2083 | if (face->tty_bold_p | |
2084 | || face->tty_dim_p | |
2085 | || face->tty_reverse_p | |
2086 | || face->tty_alt_charset_p | |
2087 | || face->tty_blinking_p | |
2088 | || face->tty_underline_p) | |
65aa5e85 GM |
2089 | { |
2090 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2091 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2092 | standout_mode = 0; | |
2093 | } | |
a168702a GM |
2094 | |
2095 | if (face->tty_alt_charset_p) | |
2096 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2097 | } | |
2098 | else | |
2099 | { | |
2100 | /* If we don't have "me" we can only have those appearances | |
2101 | that have exit sequences defined. */ | |
2102 | if (face->tty_alt_charset_p) | |
2103 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2104 | ||
2105 | if (face->tty_underline_p | |
2106 | /* We don't underline if that's difficult. */ | |
2107 | && TN_magic_cookie_glitch_ul <= 0) | |
2108 | OUTPUT_IF (TS_exit_underline_mode); | |
2109 | } | |
2110 | ||
2111 | /* Switch back to default colors. */ | |
2112 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2113 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2114 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2115 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2116 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2117 | OUTPUT1_IF (TS_orig_pair); |
2118 | } | |
2119 | ||
2120 | ||
2121 | /* Return non-zero if the terminal is capable to display colors. */ | |
2122 | ||
2123 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 EZ |
2124 | 0, 1, 0, |
2125 | "Return non-nil if TTY can display colors on FRAME.") | |
2126 | (frame) | |
2127 | Lisp_Object frame; | |
a168702a GM |
2128 | { |
2129 | return TN_max_colors > 0 ? Qt : Qnil; | |
2130 | } | |
2131 | ||
2132 | ||
2133 | ||
2134 | \f | |
2135 | /*********************************************************************** | |
2136 | Initialization | |
2137 | ***********************************************************************/ | |
2138 | ||
dfcf069d | 2139 | void |
08a24c47 JB |
2140 | term_init (terminal_type) |
2141 | char *terminal_type; | |
2142 | { | |
2143 | char *area; | |
2144 | char **address = &area; | |
2145 | char buffer[2044]; | |
2146 | register char *p; | |
2147 | int status; | |
e52f4e08 | 2148 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2149 | |
cb28b9c2 | 2150 | #ifdef WINDOWSNT |
29f27c39 | 2151 | initialize_w32_display (); |
cb28b9c2 RS |
2152 | |
2153 | Wcm_clear (); | |
cb28b9c2 | 2154 | |
a678d9ff | 2155 | area = (char *) xmalloc (2044); |
cb28b9c2 RS |
2156 | |
2157 | if (area == 0) | |
2158 | abort (); | |
2159 | ||
e52f4e08 GM |
2160 | FrameRows = FRAME_HEIGHT (sf); |
2161 | FrameCols = FRAME_WIDTH (sf); | |
2162 | specified_window = FRAME_HEIGHT (sf); | |
cb28b9c2 RS |
2163 | |
2164 | delete_in_insert_mode = 1; | |
2165 | ||
2166 | UseTabs = 0; | |
2167 | scroll_region_ok = 0; | |
2168 | ||
2169 | /* Seems to insert lines when it's not supposed to, messing | |
2170 | up the display. In doing a trace, it didn't seem to be | |
2171 | called much, so I don't think we're losing anything by | |
2172 | turning it off. */ | |
2173 | ||
2174 | line_ins_del_ok = 0; | |
2175 | char_ins_del_ok = 1; | |
2176 | ||
2177 | baud_rate = 19200; | |
2178 | ||
e52f4e08 GM |
2179 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2180 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2181 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2182 | |
2183 | return; | |
eccec691 | 2184 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2185 | |
08a24c47 | 2186 | Wcm_clear (); |
08a24c47 JB |
2187 | |
2188 | status = tgetent (buffer, terminal_type); | |
2189 | if (status < 0) | |
b0347178 KH |
2190 | { |
2191 | #ifdef TERMINFO | |
e12c1054 | 2192 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2193 | #else |
e12c1054 | 2194 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2195 | #endif |
2196 | } | |
08a24c47 | 2197 | if (status == 0) |
b0347178 KH |
2198 | { |
2199 | #ifdef TERMINFO | |
2200 | fatal ("Terminal type %s is not defined.\n\ | |
2201 | If that is not the actual type of terminal you have,\n\ | |
2202 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2203 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2204 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2205 | terminal_type); |
2206 | #else | |
2207 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2208 | If that is not the actual type of terminal you have,\n\ |
2209 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2210 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2211 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2212 | terminal_type); |
2213 | #endif | |
2214 | } | |
08a24c47 | 2215 | #ifdef TERMINFO |
a678d9ff | 2216 | area = (char *) xmalloc (2044); |
08a24c47 | 2217 | #else |
a678d9ff | 2218 | area = (char *) xmalloc (strlen (buffer)); |
08a24c47 JB |
2219 | #endif /* not TERMINFO */ |
2220 | if (area == 0) | |
2221 | abort (); | |
2222 | ||
2223 | TS_ins_line = tgetstr ("al", address); | |
2224 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2225 | TS_bell = tgetstr ("bl", address); | |
2226 | BackTab = tgetstr ("bt", address); | |
2227 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2228 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2229 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2230 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2231 | AbsPosition = tgetstr ("cm", address); |
2232 | CR = tgetstr ("cr", address); | |
2233 | TS_set_scroll_region = tgetstr ("cs", address); | |
2234 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2235 | RowPosition = tgetstr ("cv", address); | |
2236 | TS_del_char = tgetstr ("dc", address); | |
2237 | TS_del_multi_chars = tgetstr ("DC", address); | |
2238 | TS_del_line = tgetstr ("dl", address); | |
2239 | TS_del_multi_lines = tgetstr ("DL", address); | |
2240 | TS_delete_mode = tgetstr ("dm", address); | |
2241 | TS_end_delete_mode = tgetstr ("ed", address); | |
2242 | TS_end_insert_mode = tgetstr ("ei", address); | |
2243 | Home = tgetstr ("ho", address); | |
2244 | TS_ins_char = tgetstr ("ic", address); | |
2245 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2246 | TS_insert_mode = tgetstr ("im", address); | |
2247 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2248 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2249 | TS_keypad_mode = tgetstr ("ks", address); | |
2250 | LastLine = tgetstr ("ll", address); | |
2251 | Right = tgetstr ("nd", address); | |
2252 | Down = tgetstr ("do", address); | |
2253 | if (!Down) | |
2254 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2255 | #ifdef VMS | |
2256 | /* VMS puts a carriage return before each linefeed, | |
2257 | so it is not safe to use linefeeds. */ | |
2258 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2259 | Down = 0; | |
2260 | #endif /* VMS */ | |
2261 | if (tgetflag ("bs")) | |
2262 | Left = "\b"; /* can't possibly be longer! */ | |
2263 | else /* (Actually, "bs" is obsolete...) */ | |
2264 | Left = tgetstr ("le", address); | |
2265 | if (!Left) | |
2266 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2267 | TS_pad_char = tgetstr ("pc", address); | |
2268 | TS_repeat = tgetstr ("rp", address); | |
2269 | TS_end_standout_mode = tgetstr ("se", address); | |
2270 | TS_fwd_scroll = tgetstr ("sf", address); | |
2271 | TS_standout_mode = tgetstr ("so", address); | |
2272 | TS_rev_scroll = tgetstr ("sr", address); | |
2273 | Wcm.cm_tab = tgetstr ("ta", address); | |
2274 | TS_end_termcap_modes = tgetstr ("te", address); | |
2275 | TS_termcap_modes = tgetstr ("ti", address); | |
2276 | Up = tgetstr ("up", address); | |
2277 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2278 | TS_cursor_normal = tgetstr ("ve", address); |
2279 | TS_cursor_visible = tgetstr ("vs", address); | |
2280 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2281 | TS_set_window = tgetstr ("wi", address); |
a168702a GM |
2282 | |
2283 | TS_enter_underline_mode = tgetstr ("us", address); | |
2284 | TS_exit_underline_mode = tgetstr ("ue", address); | |
2285 | TN_magic_cookie_glitch_ul = tgetnum ("ug"); | |
2286 | TS_enter_bold_mode = tgetstr ("md", address); | |
2287 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2288 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2289 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2290 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2291 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2292 | TS_exit_attribute_mode = tgetstr ("me", address); | |
2293 | ||
08a24c47 JB |
2294 | MultiUp = tgetstr ("UP", address); |
2295 | MultiDown = tgetstr ("DO", address); | |
2296 | MultiLeft = tgetstr ("LE", address); | |
2297 | MultiRight = tgetstr ("RI", address); | |
2298 | ||
e7f90eab GM |
2299 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2300 | color because we can't switch back to the default foreground and | |
2301 | background. */ | |
a168702a | 2302 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2303 | if (TS_orig_pair) |
a168702a | 2304 | { |
e7f90eab GM |
2305 | TS_set_foreground = tgetstr ("AF", address); |
2306 | TS_set_background = tgetstr ("AB", address); | |
2307 | if (!TS_set_foreground) | |
2308 | { | |
2309 | /* SVr4. */ | |
2310 | TS_set_foreground = tgetstr ("Sf", address); | |
2311 | TS_set_background = tgetstr ("Sb", address); | |
2312 | } | |
4e6ba4a4 | 2313 | |
e7f90eab GM |
2314 | TN_max_colors = tgetnum ("Co"); |
2315 | TN_max_pairs = tgetnum ("pa"); | |
4e6ba4a4 GM |
2316 | |
2317 | TN_no_color_video = tgetnum ("NC"); | |
2318 | if (TN_no_color_video == -1) | |
2319 | TN_no_color_video = 0; | |
a168702a | 2320 | } |
a168702a | 2321 | |
e4058338 KH |
2322 | MagicWrap = tgetflag ("xn"); |
2323 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2324 | the former flag imply the latter. */ | |
2325 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2326 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2327 | TF_hazeltine = tgetflag ("hz"); |
2328 | must_write_spaces = tgetflag ("in"); | |
2329 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2330 | TF_insmode_motion = tgetflag ("mi"); | |
2331 | TF_standout_motion = tgetflag ("ms"); | |
2332 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2333 | TF_xs = tgetflag ("xs"); |
2334 | TF_teleray = tgetflag ("xt"); | |
2335 | ||
5c2c7893 JB |
2336 | term_get_fkeys (address); |
2337 | ||
ff11dfa1 | 2338 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2339 | { |
2340 | int height, width; | |
2341 | get_frame_size (&width, &height); | |
e52f4e08 GM |
2342 | FRAME_WIDTH (sf) = width; |
2343 | FRAME_HEIGHT (sf) = height; | |
3b12ce12 RS |
2344 | } |
2345 | ||
e52f4e08 GM |
2346 | if (FRAME_WIDTH (sf) <= 0) |
2347 | SET_FRAME_WIDTH (sf, tgetnum ("co")); | |
1efd8636 RS |
2348 | else |
2349 | /* Keep width and external_width consistent */ | |
e52f4e08 GM |
2350 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf)); |
2351 | if (FRAME_HEIGHT (sf) <= 0) | |
2352 | FRAME_HEIGHT (sf) = tgetnum ("li"); | |
1efd8636 | 2353 | |
e52f4e08 | 2354 | if (FRAME_HEIGHT (sf) < 3 || FRAME_WIDTH (sf) < 3) |
e12c1054 | 2355 | fatal ("Screen size %dx%d is too small", |
e52f4e08 | 2356 | FRAME_HEIGHT (sf), FRAME_WIDTH (sf)); |
ee7a2de4 | 2357 | |
08a24c47 JB |
2358 | min_padding_speed = tgetnum ("pb"); |
2359 | TN_standout_width = tgetnum ("sg"); | |
2360 | TabWidth = tgetnum ("tw"); | |
2361 | ||
2362 | #ifdef VMS | |
2363 | /* These capabilities commonly use ^J. | |
2364 | I don't know why, but sending them on VMS does not work; | |
2365 | it causes following spaces to be lost, sometimes. | |
2366 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2367 | if (Down && Down[0] == '\n') | |
2368 | Down = 0; | |
2369 | #endif /* VMS */ | |
2370 | ||
2371 | if (!TS_bell) | |
2372 | TS_bell = "\07"; | |
2373 | ||
2374 | if (!TS_fwd_scroll) | |
2375 | TS_fwd_scroll = Down; | |
2376 | ||
2377 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2378 | ||
2379 | if (TabWidth < 0) | |
2380 | TabWidth = 8; | |
2381 | ||
2382 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
2383 | and newer termcap doc does not seem to say there is a default. | |
2384 | if (!Wcm.cm_tab) | |
2385 | Wcm.cm_tab = "\t"; | |
2386 | */ | |
2387 | ||
2388 | if (TS_standout_mode == 0) | |
2389 | { | |
2390 | TN_standout_width = tgetnum ("ug"); | |
2391 | TS_end_standout_mode = tgetstr ("ue", address); | |
2392 | TS_standout_mode = tgetstr ("us", address); | |
2393 | } | |
2394 | ||
afd359c4 RS |
2395 | /* If no `se' string, try using a `me' string instead. |
2396 | If that fails, we can't use standout mode at all. */ | |
2397 | if (TS_end_standout_mode == 0) | |
2398 | { | |
e4bfb3b6 | 2399 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2400 | if (s != 0) |
2401 | TS_end_standout_mode = s; | |
2402 | else | |
2403 | TS_standout_mode = 0; | |
2404 | } | |
2405 | ||
08a24c47 JB |
2406 | if (TF_teleray) |
2407 | { | |
2408 | Wcm.cm_tab = 0; | |
2409 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
2410 | but Emacs can do without it (and give one extra column). */ | |
2411 | TS_standout_mode = "\033RD"; | |
2412 | TN_standout_width = 1; | |
2413 | /* But that means we cannot rely on ^M to go to column zero! */ | |
2414 | CR = 0; | |
2415 | /* LF can't be trusted either -- can alter hpos */ | |
2416 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2417 | Down = 0; | |
2418 | } | |
2419 | ||
2420 | /* Special handling for certain terminal types known to need it */ | |
2421 | ||
2422 | if (!strcmp (terminal_type, "supdup")) | |
2423 | { | |
ff11dfa1 | 2424 | memory_below_frame = 1; |
08a24c47 JB |
2425 | Wcm.cm_losewrap = 1; |
2426 | } | |
2427 | if (!strncmp (terminal_type, "c10", 3) | |
2428 | || !strcmp (terminal_type, "perq")) | |
2429 | { | |
2430 | /* Supply a makeshift :wi string. | |
2431 | This string is not valid in general since it works only | |
2432 | for windows starting at the upper left corner; | |
2433 | but that is all Emacs uses. | |
2434 | ||
ff11dfa1 | 2435 | This string works only if the frame is using |
08a24c47 JB |
2436 | the top of the video memory, because addressing is memory-relative. |
2437 | So first check the :ti string to see if that is true. | |
2438 | ||
2439 | It would be simpler if the :wi string could go in the termcap | |
2440 | entry, but it can't because it is not fully valid. | |
2441 | If it were in the termcap entry, it would confuse other programs. */ | |
2442 | if (!TS_set_window) | |
2443 | { | |
2444 | p = TS_termcap_modes; | |
2445 | while (*p && strcmp (p, "\033v ")) | |
2446 | p++; | |
2447 | if (*p) | |
2448 | TS_set_window = "\033v%C %C %C %C "; | |
2449 | } | |
2450 | /* Termcap entry often fails to have :in: flag */ | |
2451 | must_write_spaces = 1; | |
2452 | /* :ti string typically fails to have \E^G! in it */ | |
2453 | /* This limits scope of insert-char to one line. */ | |
2454 | strcpy (area, TS_termcap_modes); | |
2455 | strcat (area, "\033\007!"); | |
2456 | TS_termcap_modes = area; | |
2457 | area += strlen (area) + 1; | |
2458 | p = AbsPosition; | |
2459 | /* Change all %+ parameters to %C, to handle | |
2460 | values above 96 correctly for the C100. */ | |
2461 | while (*p) | |
2462 | { | |
2463 | if (p[0] == '%' && p[1] == '+') | |
2464 | p[1] = 'C'; | |
2465 | p++; | |
2466 | } | |
2467 | } | |
2468 | ||
e52f4e08 GM |
2469 | FrameRows = FRAME_HEIGHT (sf); |
2470 | FrameCols = FRAME_WIDTH (sf); | |
2471 | specified_window = FRAME_HEIGHT (sf); | |
08a24c47 JB |
2472 | |
2473 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2474 | #ifdef VMS | |
2475 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2476 | It lacks the ability to position the cursor.\n\ | |
2477 | If that is not the actual type of terminal you have, use either the\n\ | |
2478 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2479 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2480 | terminal_type); |
37dad45a RS |
2481 | #else /* not VMS */ |
2482 | # ifdef TERMINFO | |
2483 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2484 | It lacks the ability to position the cursor.\n\ | |
2485 | If that is not the actual type of terminal you have,\n\ | |
2486 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2487 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2488 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2489 | terminal_type); |
2490 | # else /* TERMCAP */ | |
08a24c47 JB |
2491 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2492 | It lacks the ability to position the cursor.\n\ | |
2493 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2494 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2495 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2496 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2497 | terminal_type); |
37dad45a RS |
2498 | # endif /* TERMINFO */ |
2499 | #endif /*VMS */ | |
e52f4e08 GM |
2500 | if (FRAME_HEIGHT (sf) <= 0 |
2501 | || FRAME_WIDTH (sf) <= 0) | |
e12c1054 | 2502 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2503 | |
2504 | delete_in_insert_mode | |
2505 | = TS_delete_mode && TS_insert_mode | |
2506 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2507 | ||
2508 | se_is_so = (TS_standout_mode | |
2509 | && TS_end_standout_mode | |
2510 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2511 | ||
2512 | /* Remove width of standout marker from usable width of line */ | |
2513 | if (TN_standout_width > 0) | |
e52f4e08 | 2514 | SET_FRAME_WIDTH (sf, FRAME_WIDTH (sf) - TN_standout_width); |
08a24c47 JB |
2515 | |
2516 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
2517 | ||
2518 | scroll_region_ok | |
2519 | = (Wcm.cm_abs | |
2520 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2521 | ||
2522 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2523 | && (TS_del_line || TS_del_multi_lines)) | |
2524 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2525 | ||
2526 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2527 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2528 | && (TS_del_char || TS_del_multi_chars)); | |
2529 | ||
2530 | fast_clear_end_of_line = TS_clr_line != 0; | |
2531 | ||
2532 | init_baud_rate (); | |
2533 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2534 | /* meaningless in this case */ | |
2535 | baud_rate = 9600; | |
20a558dc | 2536 | |
e52f4e08 GM |
2537 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2538 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2539 | #endif /* WINDOWSNT */ |
08a24c47 JB |
2540 | } |
2541 | ||
2542 | /* VARARGS 1 */ | |
dfcf069d | 2543 | void |
08a24c47 | 2544 | fatal (str, arg1, arg2) |
4746118a | 2545 | char *str, *arg1, *arg2; |
08a24c47 JB |
2546 | { |
2547 | fprintf (stderr, "emacs: "); | |
2548 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2549 | fprintf (stderr, "\n"); |
08a24c47 JB |
2550 | fflush (stderr); |
2551 | exit (1); | |
2552 | } | |
07c57952 | 2553 | |
dfcf069d | 2554 | void |
07c57952 KH |
2555 | syms_of_term () |
2556 | { | |
2557 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
2558 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
2559 | This variable can be used by terminal emulator packages."); | |
2560 | #ifdef TERMINFO | |
2561 | system_uses_terminfo = 1; | |
2562 | #else | |
2563 | system_uses_terminfo = 0; | |
2564 | #endif | |
c291d9ef RS |
2565 | |
2566 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
2567 | "Non-nil means call this function to ring the bell.\n\ | |
2568 | The function should accept no arguments."); | |
2569 | Vring_bell_function = Qnil; | |
a168702a GM |
2570 | |
2571 | defsubr (&Stty_display_color_p); | |
07c57952 | 2572 | } |
a168702a | 2573 |