Commit | Line | Data |
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d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd TTN |
2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
3 | 2002, 2003, 2004, 2005 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 | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
08a24c47 JB |
29 | #include "termchar.h" |
30 | #include "termopts.h" | |
08a24c47 | 31 | #include "lisp.h" |
a4decb7f KH |
32 | #include "charset.h" |
33 | #include "coding.h" | |
2538fae4 | 34 | #include "keyboard.h" |
ff11dfa1 | 35 | #include "frame.h" |
08a24c47 JB |
36 | #include "disptab.h" |
37 | #include "termhooks.h" | |
dfcf069d | 38 | #include "dispextern.h" |
a168702a | 39 | #include "window.h" |
8feddab4 | 40 | #include "keymap.h" |
a168702a | 41 | |
ff23e1dd GM |
42 | /* For now, don't try to include termcap.h. On some systems, |
43 | configure finds a non-standard termcap.h that the main build | |
44 | won't find. */ | |
45 | ||
46 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 47 | #include <termcap.h> |
46d1b2bc DL |
48 | #else |
49 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
50 | extern int tgetent P_ ((char *, const char *)); | |
51 | extern int tgetflag P_ ((char *id)); | |
52 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
53 | #endif |
54 | ||
eccec691 | 55 | #include "cm.h" |
dfcf069d AS |
56 | #ifdef HAVE_X_WINDOWS |
57 | #include "xterm.h" | |
58 | #endif | |
e0f712ba | 59 | #ifdef MAC_OS |
1a578e9b AC |
60 | #include "macterm.h" |
61 | #endif | |
c8951b18 | 62 | |
a168702a GM |
63 | static void turn_on_face P_ ((struct frame *, int face_id)); |
64 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
65 | static void tty_show_cursor P_ ((void)); | |
66 | static void tty_hide_cursor P_ ((void)); | |
67 | ||
e52f4e08 | 68 | #define OUTPUT(a) \ |
9882535b | 69 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) - curY), cmputc) |
08a24c47 JB |
70 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
71 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 72 | |
b0f61f15 GM |
73 | #define OUTPUT_IF(a) \ |
74 | do { \ | |
75 | if (a) \ | |
9882535b | 76 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) \ |
b0f61f15 GM |
77 | - curY), cmputc); \ |
78 | } while (0) | |
177c0ea7 | 79 | |
b0f61f15 | 80 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 81 | |
f46c2aff KS |
82 | /* Display space properties */ |
83 | ||
84 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
85 | ||
c291d9ef | 86 | /* Function to use to ring the bell. */ |
a168702a | 87 | |
c291d9ef RS |
88 | Lisp_Object Vring_bell_function; |
89 | ||
eb8c3be9 | 90 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
91 | These are all extern'd in termchar.h */ |
92 | ||
08a24c47 JB |
93 | int must_write_spaces; /* Nonzero means spaces in the text |
94 | must actually be output; can't just skip | |
95 | over some columns to leave them blank. */ | |
96 | int min_padding_speed; /* Speed below which no padding necessary */ | |
97 | ||
98 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
99 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
100 | int scroll_region_ok; /* Terminal supports setting the | |
101 | scroll window */ | |
be7cd44f RS |
102 | int scroll_region_cost; /* Cost of setting a scroll window, |
103 | measured in characters */ | |
ff11dfa1 | 104 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
105 | scrolled off bottom */ |
106 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
107 | ||
ff11dfa1 | 108 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
109 | a suspended Emacs. This is useful on terminals with multiple pages, |
110 | where one page is used for Emacs and another for all else. */ | |
a168702a | 111 | |
08a24c47 JB |
112 | int no_redraw_on_reenter; |
113 | ||
114 | /* Hook functions that you can set to snap out the functions in this file. | |
115 | These are all extern'd in termhooks.h */ | |
116 | ||
dfcf069d AS |
117 | void (*cursor_to_hook) P_ ((int, int)); |
118 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
119 | void (*clear_to_end_hook) P_ ((void)); |
120 | void (*clear_frame_hook) P_ ((void)); | |
121 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 122 | |
dfcf069d | 123 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 124 | |
dfcf069d | 125 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 126 | |
dfcf069d | 127 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 128 | |
dfcf069d AS |
129 | void (*reset_terminal_modes_hook) P_ ((void)); |
130 | void (*set_terminal_modes_hook) P_ ((void)); | |
131 | void (*update_begin_hook) P_ ((struct frame *)); | |
132 | void (*update_end_hook) P_ ((struct frame *)); | |
133 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
134 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
135 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
136 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 137 | |
a4ab7d75 | 138 | int (*read_socket_hook) P_ ((int, int, struct input_event *)); |
08a24c47 | 139 | |
dfcf069d | 140 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 141 | |
20a558dc | 142 | /* Return the current position of the mouse. |
371fbaeb JB |
143 | |
144 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
145 | Emacs frame. If it is set to zero, all the other arguments are | |
146 | garbage. | |
147 | ||
a3c87d4e JB |
148 | If the motion started in a scroll bar, set *bar_window to the |
149 | scroll bar's window, *part to the part the mouse is currently over, | |
150 | *x to the position of the mouse along the scroll bar, and *y to the | |
151 | overall length of the scroll bar. | |
371fbaeb JB |
152 | |
153 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
154 | row of the character cell the mouse is over. | |
155 | ||
156 | Set *time to the time the mouse was at the returned position. | |
157 | ||
158 | This should clear mouse_moved until the next motion | |
159 | event arrives. */ | |
d284f58f | 160 | |
dfcf069d | 161 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 162 | Lisp_Object *bar_window, |
a3c87d4e | 163 | enum scroll_bar_part *part, |
20a558dc JB |
164 | Lisp_Object *x, |
165 | Lisp_Object *y, | |
dfcf069d | 166 | unsigned long *time)); |
08a24c47 | 167 | |
ff11dfa1 | 168 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 169 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 170 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
171 | This hook tells the window system code to re-decide where to put |
172 | the highlight. */ | |
d284f58f | 173 | |
dfcf069d | 174 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 175 | |
dbc4e1c1 JB |
176 | /* If we're displaying frames using a window system that can stack |
177 | frames on top of each other, this hook allows you to bring a frame | |
178 | to the front, or bury it behind all the other windows. If this | |
179 | hook is zero, that means the device we're displaying on doesn't | |
180 | support overlapping frames, so there's no need to raise or lower | |
181 | anything. | |
182 | ||
183 | If RAISE is non-zero, F is brought to the front, before all other | |
184 | windows. If RAISE is zero, F is sent to the back, behind all other | |
185 | windows. */ | |
d284f58f | 186 | |
dfcf069d | 187 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 188 | |
a3c87d4e | 189 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
190 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
191 | indicate that we are displaying PORTION characters out of a total | |
192 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 193 | have a scroll bar, create one for it. */ |
a168702a | 194 | |
a3c87d4e | 195 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
196 | P_ ((struct window *window, |
197 | int portion, int whole, int position)); | |
20a558dc | 198 | |
371fbaeb | 199 | |
20a558dc | 200 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 201 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
202 | are going to be deleted, because keeping track of when windows go |
203 | away is a real pain - can you say set-window-configuration? | |
204 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 205 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 206 | fiery pit when we actually redisplay their window. */ |
20a558dc | 207 | |
a3c87d4e JB |
208 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
209 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
177c0ea7 | 210 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 211 | |
371fbaeb | 212 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
213 | redisplayed, even if it is not displaying scroll bars at the moment; |
214 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
215 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
216 | |
217 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 218 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 219 | currently displaying them. */ |
d284f58f | 220 | |
dfcf069d | 221 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 222 | |
a3c87d4e JB |
223 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
224 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
d284f58f | 225 | |
dfcf069d | 226 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 227 | |
a3c87d4e | 228 | /* Remove all scroll bars on FRAME that haven't been saved since the |
177c0ea7 | 229 | last call to `*condemn_scroll_bars_hook'. |
20a558dc | 230 | |
371fbaeb | 231 | This should be applied to each frame after each time its window |
a3c87d4e JB |
232 | tree is redisplayed, even if it is not displaying scroll bars at the |
233 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
234 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
235 | |
236 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 237 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 238 | currently displaying them. */ |
d284f58f | 239 | |
dfcf069d | 240 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 241 | |
08a24c47 JB |
242 | /* Strings, numbers and flags taken from the termcap entry. */ |
243 | ||
a4decb7f | 244 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
245 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
246 | char *TS_bell; /* "bl" */ | |
247 | char *TS_clr_to_bottom; /* "cd" */ | |
248 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 249 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
250 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
251 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
252 | lines above scroll region, lines below it, | |
253 | total lines again) */ | |
254 | char *TS_del_char; /* "dc" */ | |
255 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
256 | char *TS_del_line; /* "dl" */ | |
257 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
258 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
259 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
260 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
261 | char *TS_ins_char; /* "ic" */ | |
262 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
263 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
264 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
265 | char *TS_end_keypad_mode; /* "ke" */ | |
266 | char *TS_keypad_mode; /* "ks" */ | |
267 | char *TS_pad_char; /* "pc", char to use as padding */ | |
268 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
269 | and character to be repeated) */ | |
270 | char *TS_end_standout_mode; /* "se" */ | |
271 | char *TS_fwd_scroll; /* "sf" */ | |
272 | char *TS_standout_mode; /* "so" */ | |
273 | char *TS_rev_scroll; /* "sr" */ | |
274 | char *TS_end_termcap_modes; /* "te" */ | |
275 | char *TS_termcap_modes; /* "ti" */ | |
276 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
277 | char *TS_cursor_normal; /* "ve" */ |
278 | char *TS_cursor_visible; /* "vs" */ | |
279 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
280 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
281 | each as vpos and hpos) */ | |
282 | ||
4e6ba4a4 GM |
283 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
284 | present. */ | |
285 | ||
286 | static int TN_no_color_video; | |
287 | ||
288 | /* Meaning of bits in no_color_video. Each bit set means that the | |
289 | corresponding attribute cannot be combined with colors. */ | |
290 | ||
291 | enum no_color_bit | |
292 | { | |
293 | NC_STANDOUT = 1 << 0, | |
294 | NC_UNDERLINE = 1 << 1, | |
295 | NC_REVERSE = 1 << 2, | |
296 | NC_BLINK = 1 << 3, | |
297 | NC_DIM = 1 << 4, | |
298 | NC_BOLD = 1 << 5, | |
299 | NC_INVIS = 1 << 6, | |
300 | NC_PROTECT = 1 << 7, | |
301 | NC_ALT_CHARSET = 1 << 8 | |
302 | }; | |
303 | ||
a168702a GM |
304 | /* "md" -- turn on bold (extra bright mode). */ |
305 | ||
306 | char *TS_enter_bold_mode; | |
307 | ||
308 | /* "mh" -- turn on half-bright mode. */ | |
309 | ||
310 | char *TS_enter_dim_mode; | |
311 | ||
312 | /* "mb" -- enter blinking mode. */ | |
313 | ||
314 | char *TS_enter_blink_mode; | |
315 | ||
316 | /* "mr" -- enter reverse video mode. */ | |
317 | ||
318 | char *TS_enter_reverse_mode; | |
319 | ||
320 | /* "us"/"ue" -- start/end underlining. */ | |
321 | ||
322 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
323 | ||
a168702a GM |
324 | /* "as"/"ae" -- start/end alternate character set. Not really |
325 | supported, yet. */ | |
326 | ||
327 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
328 | ||
329 | /* "me" -- switch appearances off. */ | |
330 | ||
331 | char *TS_exit_attribute_mode; | |
332 | ||
333 | /* "Co" -- number of colors. */ | |
334 | ||
335 | int TN_max_colors; | |
336 | ||
337 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
338 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
339 | ||
340 | int TN_max_pairs; | |
341 | ||
342 | /* "op" -- SVr4 set default pair to its original value. */ | |
343 | ||
344 | char *TS_orig_pair; | |
345 | ||
346 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
347 | 1 param, the color index. */ | |
348 | ||
349 | char *TS_set_foreground, *TS_set_background; | |
350 | ||
08a24c47 JB |
351 | int TF_hazeltine; /* termcap hz flag. */ |
352 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
353 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
354 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
355 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
356 | int TF_teleray; /* termcap xt flag: many weird consequences. |
357 | For t1061. */ | |
358 | ||
08a24c47 JB |
359 | static int RPov; /* # chars to start a TS_repeat */ |
360 | ||
361 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
362 | ||
363 | static int se_is_so; /* 1 if same string both enters and leaves | |
364 | standout mode */ | |
365 | ||
366 | /* internal state */ | |
367 | ||
8dd0c7cb | 368 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 369 | |
9882535b | 370 | int max_frame_cols; |
a168702a | 371 | |
8dd0c7cb | 372 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 373 | |
9882535b | 374 | int max_frame_lines; |
8dd0c7cb | 375 | |
646e4dff | 376 | static int costs_set; /* Nonzero if costs have been calculated. */ |
08a24c47 JB |
377 | |
378 | int insert_mode; /* Nonzero when in insert mode. */ | |
379 | int standout_mode; /* Nonzero when in standout mode. */ | |
380 | ||
381 | /* Size of window specified by higher levels. | |
ff11dfa1 | 382 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
383 | which can participate in insert-line/delete-line operations. |
384 | ||
9882535b | 385 | Effectively it excludes the bottom frame_lines - specified_window_size |
08a24c47 JB |
386 | lines from those operations. */ |
387 | ||
388 | int specified_window; | |
389 | ||
ff11dfa1 | 390 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
391 | (Direct output does not count). */ |
392 | ||
ff11dfa1 | 393 | FRAME_PTR updating_frame; |
08a24c47 | 394 | |
07c57952 | 395 | /* Provided for lisp packages. */ |
a168702a | 396 | |
07c57952 KH |
397 | static int system_uses_terminfo; |
398 | ||
d284f58f GM |
399 | /* Flag used in tty_show/hide_cursor. */ |
400 | ||
401 | static int tty_cursor_hidden; | |
402 | ||
08a24c47 | 403 | char *tparam (); |
e4bfb3b6 RS |
404 | |
405 | extern char *tgetstr (); | |
08a24c47 | 406 | \f |
cb28b9c2 | 407 | |
1a89b7c6 AI |
408 | #ifdef WINDOWSNT |
409 | /* We aren't X windows, but we aren't termcap either. This makes me | |
410 | uncertain as to what value to use for frame.output_method. For | |
411 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
412 | output hooks get called instead of the termcap functions. Probably | |
413 | the best long-term solution is to define an output_windows_nt... */ | |
414 | ||
415 | #undef FRAME_TERMCAP_P | |
416 | #define FRAME_TERMCAP_P(_f_) 0 | |
417 | #endif /* WINDOWSNT */ | |
418 | ||
dfcf069d | 419 | void |
08a24c47 JB |
420 | ring_bell () |
421 | { | |
d284f58f | 422 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
423 | { |
424 | Lisp_Object function; | |
425 | ||
426 | /* Temporarily set the global variable to nil | |
427 | so that if we get an error, it stays nil | |
428 | and we don't call it over and over. | |
429 | ||
430 | We don't specbind it, because that would carefully | |
431 | restore the bad value if there's an error | |
432 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 433 | |
c291d9ef RS |
434 | function = Vring_bell_function; |
435 | Vring_bell_function = Qnil; | |
436 | ||
437 | call0 (function); | |
438 | ||
439 | Vring_bell_function = function; | |
08a24c47 | 440 | } |
d284f58f GM |
441 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
442 | (*ring_bell_hook) (); | |
443 | else | |
444 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
445 | } |
446 | ||
dfcf069d | 447 | void |
08a24c47 JB |
448 | set_terminal_modes () |
449 | { | |
d284f58f | 450 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 451 | { |
3ae9c96a RS |
452 | if (TS_termcap_modes) |
453 | OUTPUT (TS_termcap_modes); | |
454 | else | |
455 | { | |
456 | /* Output enough newlines to scroll all the old screen contents | |
457 | off the screen, so it won't be overwritten and lost. */ | |
458 | int i; | |
459 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) | |
460 | putchar ('\n'); | |
461 | } | |
462 | ||
d284f58f GM |
463 | OUTPUT_IF (TS_cursor_visible); |
464 | OUTPUT_IF (TS_keypad_mode); | |
465 | losecursor (); | |
08a24c47 | 466 | } |
d284f58f GM |
467 | else |
468 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
469 | } |
470 | ||
dfcf069d | 471 | void |
08a24c47 JB |
472 | reset_terminal_modes () |
473 | { | |
d284f58f | 474 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 475 | { |
54800acb | 476 | turn_off_highlight (); |
d284f58f GM |
477 | turn_off_insert (); |
478 | OUTPUT_IF (TS_end_keypad_mode); | |
479 | OUTPUT_IF (TS_cursor_normal); | |
480 | OUTPUT_IF (TS_end_termcap_modes); | |
481 | OUTPUT_IF (TS_orig_pair); | |
482 | /* Output raw CR so kernel can track the cursor hpos. */ | |
d284f58f | 483 | cmputc ('\r'); |
08a24c47 | 484 | } |
d284f58f GM |
485 | else if (reset_terminal_modes_hook) |
486 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
487 | } |
488 | ||
dfcf069d | 489 | void |
ff11dfa1 | 490 | update_begin (f) |
d284f58f | 491 | struct frame *f; |
08a24c47 | 492 | { |
ff11dfa1 | 493 | updating_frame = f; |
d284f58f GM |
494 | if (!FRAME_TERMCAP_P (f)) |
495 | update_begin_hook (f); | |
08a24c47 JB |
496 | } |
497 | ||
dfcf069d | 498 | void |
ff11dfa1 | 499 | update_end (f) |
d284f58f | 500 | struct frame *f; |
08a24c47 | 501 | { |
d284f58f | 502 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 503 | { |
d284f58f GM |
504 | if (!XWINDOW (selected_window)->cursor_off_p) |
505 | tty_show_cursor (); | |
506 | turn_off_insert (); | |
507 | background_highlight (); | |
08a24c47 | 508 | } |
d284f58f GM |
509 | else |
510 | update_end_hook (f); | |
177c0ea7 | 511 | |
d284f58f | 512 | updating_frame = NULL; |
08a24c47 JB |
513 | } |
514 | ||
dfcf069d | 515 | void |
08a24c47 JB |
516 | set_terminal_window (size) |
517 | int size; | |
518 | { | |
d284f58f | 519 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 520 | { |
9882535b | 521 | specified_window = size ? size : FRAME_LINES (updating_frame); |
d284f58f GM |
522 | if (scroll_region_ok) |
523 | set_scroll_region (0, specified_window); | |
08a24c47 | 524 | } |
d284f58f GM |
525 | else |
526 | set_terminal_window_hook (size); | |
08a24c47 JB |
527 | } |
528 | ||
dfcf069d | 529 | void |
08a24c47 JB |
530 | set_scroll_region (start, stop) |
531 | int start, stop; | |
532 | { | |
533 | char *buf; | |
e52f4e08 | 534 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 535 | |
08a24c47 | 536 | if (TS_set_scroll_region) |
d284f58f | 537 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 538 | else if (TS_set_scroll_region_1) |
d284f58f | 539 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
9882535b KS |
540 | FRAME_LINES (sf), start, |
541 | FRAME_LINES (sf) - stop, | |
542 | FRAME_LINES (sf)); | |
08a24c47 | 543 | else |
9882535b | 544 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (sf)); |
177c0ea7 | 545 | |
08a24c47 | 546 | OUTPUT (buf); |
9ac0d9e0 | 547 | xfree (buf); |
08a24c47 JB |
548 | losecursor (); |
549 | } | |
d284f58f | 550 | |
08a24c47 | 551 | \f |
d284f58f | 552 | static void |
08a24c47 JB |
553 | turn_on_insert () |
554 | { | |
555 | if (!insert_mode) | |
556 | OUTPUT (TS_insert_mode); | |
557 | insert_mode = 1; | |
558 | } | |
559 | ||
dfcf069d | 560 | void |
08a24c47 JB |
561 | turn_off_insert () |
562 | { | |
563 | if (insert_mode) | |
564 | OUTPUT (TS_end_insert_mode); | |
565 | insert_mode = 0; | |
566 | } | |
567 | \f | |
54800acb | 568 | /* Handle highlighting. */ |
08a24c47 | 569 | |
dfcf069d | 570 | void |
08a24c47 JB |
571 | turn_off_highlight () |
572 | { | |
54800acb MB |
573 | if (standout_mode) |
574 | OUTPUT_IF (TS_end_standout_mode); | |
575 | standout_mode = 0; | |
08a24c47 JB |
576 | } |
577 | ||
d284f58f | 578 | static void |
08a24c47 JB |
579 | turn_on_highlight () |
580 | { | |
54800acb MB |
581 | if (!standout_mode) |
582 | OUTPUT_IF (TS_standout_mode); | |
583 | standout_mode = 1; | |
08a24c47 JB |
584 | } |
585 | ||
86a7d192 GM |
586 | static void |
587 | toggle_highlight () | |
588 | { | |
589 | if (standout_mode) | |
590 | turn_off_highlight (); | |
591 | else | |
592 | turn_on_highlight (); | |
593 | } | |
594 | ||
a168702a GM |
595 | |
596 | /* Make cursor invisible. */ | |
597 | ||
598 | static void | |
599 | tty_hide_cursor () | |
600 | { | |
d284f58f GM |
601 | if (tty_cursor_hidden == 0) |
602 | { | |
603 | tty_cursor_hidden = 1; | |
604 | OUTPUT_IF (TS_cursor_invisible); | |
605 | } | |
a168702a GM |
606 | } |
607 | ||
608 | ||
609 | /* Ensure that cursor is visible. */ | |
610 | ||
611 | static void | |
612 | tty_show_cursor () | |
613 | { | |
d284f58f GM |
614 | if (tty_cursor_hidden) |
615 | { | |
616 | tty_cursor_hidden = 0; | |
617 | OUTPUT_IF (TS_cursor_normal); | |
618 | OUTPUT_IF (TS_cursor_visible); | |
619 | } | |
a168702a GM |
620 | } |
621 | ||
622 | ||
08a24c47 JB |
623 | /* Set standout mode to the state it should be in for |
624 | empty space inside windows. What this is, | |
625 | depends on the user option inverse-video. */ | |
626 | ||
dfcf069d | 627 | void |
08a24c47 JB |
628 | background_highlight () |
629 | { | |
08a24c47 JB |
630 | if (inverse_video) |
631 | turn_on_highlight (); | |
632 | else | |
633 | turn_off_highlight (); | |
634 | } | |
635 | ||
636 | /* Set standout mode to the mode specified for the text to be output. */ | |
637 | ||
dfcf069d | 638 | static void |
08a24c47 JB |
639 | highlight_if_desired () |
640 | { | |
8ede64a5 | 641 | if (inverse_video) |
08a24c47 | 642 | turn_on_highlight (); |
8ede64a5 MB |
643 | else |
644 | turn_off_highlight (); | |
08a24c47 JB |
645 | } |
646 | \f | |
647 | ||
a168702a GM |
648 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
649 | frame-relative coordinates. */ | |
08a24c47 | 650 | |
dfcf069d | 651 | void |
a168702a GM |
652 | cursor_to (vpos, hpos) |
653 | int vpos, hpos; | |
08a24c47 | 654 | { |
e52f4e08 | 655 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
177c0ea7 | 656 | |
e52f4e08 | 657 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) |
08a24c47 | 658 | { |
a168702a | 659 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
660 | return; |
661 | } | |
662 | ||
36cae867 KH |
663 | /* Detect the case where we are called from reset_sys_modes |
664 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 665 | if (! costs_set) |
36cae867 KH |
666 | return; |
667 | ||
a168702a | 668 | if (curY == vpos && curX == hpos) |
08a24c47 JB |
669 | return; |
670 | if (!TF_standout_motion) | |
671 | background_highlight (); | |
672 | if (!TF_insmode_motion) | |
673 | turn_off_insert (); | |
a168702a | 674 | cmgoto (vpos, hpos); |
08a24c47 JB |
675 | } |
676 | ||
677 | /* Similar but don't take any account of the wasted characters. */ | |
678 | ||
dfcf069d | 679 | void |
08a24c47 | 680 | raw_cursor_to (row, col) |
4746118a | 681 | int row, col; |
08a24c47 | 682 | { |
e52f4e08 GM |
683 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
684 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
685 | { |
686 | (*raw_cursor_to_hook) (row, col); | |
687 | return; | |
688 | } | |
689 | if (curY == row && curX == col) | |
690 | return; | |
691 | if (!TF_standout_motion) | |
692 | background_highlight (); | |
693 | if (!TF_insmode_motion) | |
694 | turn_off_insert (); | |
695 | cmgoto (row, col); | |
696 | } | |
697 | \f | |
698 | /* Erase operations */ | |
699 | ||
ff11dfa1 | 700 | /* clear from cursor to end of frame */ |
dfcf069d | 701 | void |
08a24c47 JB |
702 | clear_to_end () |
703 | { | |
704 | register int i; | |
705 | ||
759d9005 | 706 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
707 | { |
708 | (*clear_to_end_hook) (); | |
709 | return; | |
710 | } | |
711 | if (TS_clr_to_bottom) | |
712 | { | |
713 | background_highlight (); | |
714 | OUTPUT (TS_clr_to_bottom); | |
08a24c47 JB |
715 | } |
716 | else | |
717 | { | |
9882535b | 718 | for (i = curY; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
08a24c47 JB |
719 | { |
720 | cursor_to (i, 0); | |
9882535b | 721 | clear_end_of_line (FRAME_COLS (XFRAME (selected_frame))); |
08a24c47 JB |
722 | } |
723 | } | |
724 | } | |
725 | ||
ff11dfa1 | 726 | /* Clear entire frame */ |
08a24c47 | 727 | |
dfcf069d | 728 | void |
ff11dfa1 | 729 | clear_frame () |
08a24c47 | 730 | { |
e52f4e08 | 731 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 732 | |
ff11dfa1 | 733 | if (clear_frame_hook |
e52f4e08 | 734 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 735 | { |
ff11dfa1 | 736 | (*clear_frame_hook) (); |
08a24c47 JB |
737 | return; |
738 | } | |
ff11dfa1 | 739 | if (TS_clr_frame) |
08a24c47 JB |
740 | { |
741 | background_highlight (); | |
ff11dfa1 | 742 | OUTPUT (TS_clr_frame); |
08a24c47 JB |
743 | cmat (0, 0); |
744 | } | |
745 | else | |
746 | { | |
747 | cursor_to (0, 0); | |
748 | clear_to_end (); | |
749 | } | |
750 | } | |
751 | ||
08a24c47 JB |
752 | /* Clear from cursor to end of line. |
753 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
754 | |
755 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
756 | ||
dfcf069d | 757 | void |
8ede64a5 | 758 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
759 | int first_unused_hpos; |
760 | { | |
761 | register int i; | |
762 | ||
763 | if (clear_end_of_line_hook | |
1820044b | 764 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 765 | ? updating_frame |
e52f4e08 | 766 | : XFRAME (selected_frame)))) |
08a24c47 JB |
767 | { |
768 | (*clear_end_of_line_hook) (first_unused_hpos); | |
769 | return; | |
770 | } | |
771 | ||
36cae867 KH |
772 | /* Detect the case where we are called from reset_sys_modes |
773 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 774 | if (! costs_set) |
36cae867 KH |
775 | return; |
776 | ||
08a24c47 JB |
777 | if (curX >= first_unused_hpos) |
778 | return; | |
08a24c47 JB |
779 | background_highlight (); |
780 | if (TS_clr_line) | |
781 | { | |
782 | OUTPUT1 (TS_clr_line); | |
783 | } | |
784 | else | |
785 | { /* have to do it the hard way */ | |
e52f4e08 | 786 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
787 | turn_off_insert (); |
788 | ||
a168702a | 789 | /* Do not write in last row last col with Auto-wrap on. */ |
9882535b KS |
790 | if (AutoWrap && curY == FRAME_LINES (sf) - 1 |
791 | && first_unused_hpos == FRAME_COLS (sf)) | |
08a24c47 JB |
792 | first_unused_hpos--; |
793 | ||
794 | for (i = curX; i < first_unused_hpos; i++) | |
795 | { | |
796 | if (termscript) | |
797 | fputc (' ', termscript); | |
798 | putchar (' '); | |
799 | } | |
800 | cmplus (first_unused_hpos - curX); | |
801 | } | |
802 | } | |
803 | \f | |
af645abf KH |
804 | /* Buffer to store the source and result of code conversion for terminal. */ |
805 | static unsigned char *encode_terminal_buf; | |
806 | /* Allocated size of the above buffer. */ | |
807 | static int encode_terminal_bufsize; | |
a4decb7f | 808 | |
af645abf KH |
809 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. |
810 | Set CODING->produced to the byte-length of the resulting byte | |
811 | sequence, and return a pointer to that byte sequence. */ | |
a4decb7f | 812 | |
302db699 | 813 | unsigned char * |
af645abf | 814 | encode_terminal_code (src, src_len, coding) |
a168702a | 815 | struct glyph *src; |
a4decb7f | 816 | int src_len; |
af645abf | 817 | struct coding_system *coding; |
a4decb7f | 818 | { |
a168702a | 819 | struct glyph *src_start = src, *src_end = src + src_len; |
085d5908 | 820 | register GLYPH g; |
af645abf KH |
821 | unsigned char *buf; |
822 | int nchars, nbytes, required; | |
a4decb7f KH |
823 | register int tlen = GLYPH_TABLE_LENGTH; |
824 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 825 | |
af645abf KH |
826 | /* Allocate sufficient size of buffer to store all characters in |
827 | multibyte-form. But, it may be enlarged on demand if | |
828 | Vglyph_table contains a string. */ | |
829 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
830 | if (encode_terminal_bufsize < required) | |
831 | { | |
af645abf KH |
832 | if (encode_terminal_bufsize == 0) |
833 | encode_terminal_buf = xmalloc (required); | |
834 | else | |
835 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
d6d31e57 | 836 | encode_terminal_bufsize = required; |
af645abf | 837 | } |
a4decb7f | 838 | |
af645abf KH |
839 | buf = encode_terminal_buf; |
840 | nchars = 0; | |
a4decb7f KH |
841 | while (src < src_end) |
842 | { | |
a4decb7f | 843 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 844 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 845 | { |
32de38e4 KH |
846 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
847 | ||
848 | if (g < 0 || g >= tlen) | |
085d5908 | 849 | { |
32de38e4 | 850 | /* This glyph doesn't has an entry in Vglyph_table. */ |
af645abf KH |
851 | if (CHAR_VALID_P (src->u.ch, 0)) |
852 | buf += CHAR_STRING (src->u.ch, buf); | |
32de38e4 | 853 | else |
af645abf KH |
854 | *buf++ = SPACEGLYPH; |
855 | nchars++; | |
085d5908 | 856 | } |
32de38e4 | 857 | else |
a4decb7f | 858 | { |
32de38e4 | 859 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
860 | so process any alias before testing for simpleness. */ |
861 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
862 | |
863 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
864 | { | |
af645abf KH |
865 | int c = FAST_GLYPH_CHAR (g); |
866 | ||
867 | if (CHAR_VALID_P (c, 0)) | |
868 | buf += CHAR_STRING (c, buf); | |
869 | else | |
870 | *buf++ = SPACEGLYPH; | |
871 | nchars++; | |
32de38e4 KH |
872 | } |
873 | else | |
874 | { | |
875 | /* We have a string in Vglyph_table. */ | |
af645abf KH |
876 | Lisp_Object string; |
877 | ||
878 | string = tbase[g]; | |
879 | if (! STRING_MULTIBYTE (string)) | |
880 | string = string_to_multibyte (string); | |
881 | nbytes = buf - encode_terminal_buf; | |
fd4a9f8f | 882 | if (encode_terminal_bufsize < nbytes + SBYTES (string)) |
af645abf KH |
883 | { |
884 | encode_terminal_bufsize = nbytes + SBYTES (string); | |
885 | encode_terminal_buf = xrealloc (encode_terminal_buf, | |
886 | encode_terminal_bufsize); | |
887 | buf = encode_terminal_buf + nbytes; | |
888 | } | |
889 | bcopy (SDATA (string), buf, SBYTES (string)); | |
890 | buf += SBYTES (string); | |
891 | nchars += SCHARS (string); | |
32de38e4 | 892 | } |
171d7f24 | 893 | } |
a4decb7f KH |
894 | } |
895 | src++; | |
896 | } | |
177c0ea7 | 897 | |
af645abf KH |
898 | nbytes = buf - encode_terminal_buf; |
899 | coding->src_multibyte = 1; | |
900 | coding->dst_multibyte = 0; | |
901 | if (SYMBOLP (coding->pre_write_conversion) | |
902 | && ! NILP (Ffboundp (coding->pre_write_conversion))) | |
903 | { | |
904 | run_pre_write_conversin_on_c_str (&encode_terminal_buf, | |
905 | &encode_terminal_bufsize, | |
906 | nchars, nbytes, coding); | |
907 | nchars = coding->produced_char; | |
908 | nbytes = coding->produced; | |
909 | } | |
910 | required = nbytes + encoding_buffer_size (coding, nbytes); | |
911 | if (encode_terminal_bufsize < required) | |
912 | { | |
913 | encode_terminal_bufsize = required; | |
914 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
915 | } | |
a4decb7f | 916 | |
af645abf KH |
917 | encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes, |
918 | nbytes, encode_terminal_bufsize - nbytes); | |
919 | return encode_terminal_buf + nbytes; | |
920 | } | |
08a24c47 | 921 | |
dfcf069d | 922 | void |
08a24c47 | 923 | write_glyphs (string, len) |
a168702a | 924 | register struct glyph *string; |
08a24c47 JB |
925 | register int len; |
926 | { | |
e52f4e08 GM |
927 | struct frame *sf = XFRAME (selected_frame); |
928 | struct frame *f = updating_frame ? updating_frame : sf; | |
af645abf KH |
929 | unsigned char *conversion_buffer; |
930 | struct coding_system *coding; | |
08a24c47 JB |
931 | |
932 | if (write_glyphs_hook | |
a168702a | 933 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
934 | { |
935 | (*write_glyphs_hook) (string, len); | |
936 | return; | |
937 | } | |
938 | ||
08a24c47 | 939 | turn_off_insert (); |
d284f58f | 940 | tty_hide_cursor (); |
08a24c47 | 941 | |
a168702a | 942 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 943 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
944 | |
945 | if (AutoWrap | |
9882535b KS |
946 | && curY + 1 == FRAME_LINES (sf) |
947 | && (curX + len) == FRAME_COLS (sf)) | |
08a24c47 | 948 | len --; |
a4decb7f KH |
949 | if (len <= 0) |
950 | return; | |
08a24c47 JB |
951 | |
952 | cmplus (len); | |
177c0ea7 | 953 | |
af645abf KH |
954 | /* If terminal_coding does any conversion, use it, otherwise use |
955 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
956 | because it always return 1 if the member src_multibyte is 1. */ | |
957 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
958 | ? &terminal_coding : &safe_terminal_coding); | |
6589fd67 KH |
959 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
960 | the tail. */ | |
af645abf | 961 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 962 | |
a4decb7f | 963 | while (len > 0) |
08a24c47 | 964 | { |
a168702a | 965 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 966 | int face_id = string->face_id; |
a168702a | 967 | int n; |
177c0ea7 | 968 | |
a168702a | 969 | for (n = 1; n < len; ++n) |
32de38e4 | 970 | if (string[n].face_id != face_id) |
a168702a GM |
971 | break; |
972 | ||
973 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 974 | highlight_if_desired (); |
a168702a GM |
975 | turn_on_face (f, face_id); |
976 | ||
af645abf KH |
977 | if (n == len) |
978 | /* This is the last run. */ | |
979 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
980 | conversion_buffer = encode_terminal_code (string, n, coding); | |
981 | if (coding->produced > 0) | |
08a24c47 | 982 | { |
af645abf KH |
983 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
984 | if (ferror (stdout)) | |
985 | clearerr (stdout); | |
986 | if (termscript) | |
987 | fwrite (conversion_buffer, 1, coding->produced, termscript); | |
08a24c47 | 988 | } |
af645abf KH |
989 | len -= n; |
990 | string += n; | |
a168702a GM |
991 | |
992 | /* Turn appearance modes off. */ | |
993 | turn_off_face (f, face_id); | |
65aa5e85 | 994 | turn_off_highlight (); |
a4decb7f | 995 | } |
177c0ea7 | 996 | |
9a6b6f92 | 997 | cmcheckmagic (); |
08a24c47 JB |
998 | } |
999 | ||
1000 | /* If start is zero, insert blanks instead of a string at start */ | |
177c0ea7 | 1001 | |
dfcf069d | 1002 | void |
08a24c47 | 1003 | insert_glyphs (start, len) |
a168702a | 1004 | register struct glyph *start; |
08a24c47 JB |
1005 | register int len; |
1006 | { | |
1007 | char *buf; | |
6bbd7a29 | 1008 | struct glyph *glyph = NULL; |
e52f4e08 | 1009 | struct frame *f, *sf; |
af645abf KH |
1010 | unsigned char *conversion_buffer; |
1011 | unsigned char space[1]; | |
1012 | struct coding_system *coding; | |
08a24c47 | 1013 | |
a4decb7f KH |
1014 | if (len <= 0) |
1015 | return; | |
1016 | ||
a168702a | 1017 | if (insert_glyphs_hook) |
08a24c47 JB |
1018 | { |
1019 | (*insert_glyphs_hook) (start, len); | |
1020 | return; | |
1021 | } | |
a168702a | 1022 | |
e52f4e08 GM |
1023 | sf = XFRAME (selected_frame); |
1024 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1025 | |
1026 | if (TS_ins_multi_chars) | |
1027 | { | |
1028 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1029 | OUTPUT1 (buf); | |
9ac0d9e0 | 1030 | xfree (buf); |
08a24c47 JB |
1031 | if (start) |
1032 | write_glyphs (start, len); | |
1033 | return; | |
1034 | } | |
1035 | ||
1036 | turn_on_insert (); | |
1037 | cmplus (len); | |
af645abf KH |
1038 | |
1039 | if (! start) | |
1040 | space[0] = SPACEGLYPH; | |
1041 | ||
1042 | /* If terminal_coding does any conversion, use it, otherwise use | |
1043 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
1044 | because it always return 1 if the member src_multibyte is 1. */ | |
1045 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
1046 | ? &terminal_coding : &safe_terminal_coding); | |
1047 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at | |
1048 | the tail. */ | |
1049 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
1050 | ||
07109bf9 | 1051 | while (len-- > 0) |
08a24c47 JB |
1052 | { |
1053 | OUTPUT1_IF (TS_ins_char); | |
1054 | if (!start) | |
32de38e4 | 1055 | { |
af645abf KH |
1056 | conversion_buffer = space; |
1057 | coding->produced = 1; | |
32de38e4 | 1058 | } |
08a24c47 | 1059 | else |
08a24c47 | 1060 | { |
65aa5e85 | 1061 | highlight_if_desired (); |
32de38e4 | 1062 | turn_on_face (f, start->face_id); |
816be8b8 | 1063 | glyph = start; |
a168702a | 1064 | ++start; |
a4decb7f KH |
1065 | /* We must open sufficient space for a character which |
1066 | occupies more than one column. */ | |
a168702a | 1067 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1068 | { |
1069 | OUTPUT1_IF (TS_ins_char); | |
1070 | start++, len--; | |
1071 | } | |
a4decb7f | 1072 | |
32de38e4 KH |
1073 | if (len <= 0) |
1074 | /* This is the last glyph. */ | |
af645abf | 1075 | coding->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 1076 | |
af645abf | 1077 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 1078 | } |
a4decb7f | 1079 | |
af645abf | 1080 | if (coding->produced > 0) |
08a24c47 | 1081 | { |
af645abf | 1082 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
08a24c47 JB |
1083 | if (ferror (stdout)) |
1084 | clearerr (stdout); | |
1085 | if (termscript) | |
af645abf | 1086 | fwrite (conversion_buffer, 1, coding->produced, termscript); |
08a24c47 JB |
1087 | } |
1088 | ||
9a6b6f92 | 1089 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1090 | if (start) |
65aa5e85 GM |
1091 | { |
1092 | turn_off_face (f, glyph->face_id); | |
1093 | turn_off_highlight (); | |
1094 | } | |
9a6b6f92 | 1095 | } |
177c0ea7 | 1096 | |
9a6b6f92 | 1097 | cmcheckmagic (); |
08a24c47 JB |
1098 | } |
1099 | ||
dfcf069d | 1100 | void |
08a24c47 JB |
1101 | delete_glyphs (n) |
1102 | register int n; | |
1103 | { | |
1104 | char *buf; | |
1105 | register int i; | |
1106 | ||
1820044b | 1107 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1108 | { |
1109 | (*delete_glyphs_hook) (n); | |
1110 | return; | |
1111 | } | |
1112 | ||
1113 | if (delete_in_insert_mode) | |
1114 | { | |
1115 | turn_on_insert (); | |
1116 | } | |
1117 | else | |
1118 | { | |
1119 | turn_off_insert (); | |
1120 | OUTPUT_IF (TS_delete_mode); | |
1121 | } | |
1122 | ||
1123 | if (TS_del_multi_chars) | |
1124 | { | |
1125 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1126 | OUTPUT1 (buf); | |
9ac0d9e0 | 1127 | xfree (buf); |
08a24c47 JB |
1128 | } |
1129 | else | |
1130 | for (i = 0; i < n; i++) | |
1131 | OUTPUT1 (TS_del_char); | |
1132 | if (!delete_in_insert_mode) | |
1133 | OUTPUT_IF (TS_end_delete_mode); | |
1134 | } | |
1135 | \f | |
1136 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1137 | ||
dfcf069d | 1138 | void |
08a24c47 JB |
1139 | ins_del_lines (vpos, n) |
1140 | int vpos, n; | |
1141 | { | |
1142 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1143 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1144 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1145 | struct frame *sf; |
08a24c47 JB |
1146 | |
1147 | register int i = n > 0 ? n : -n; | |
1148 | register char *buf; | |
1149 | ||
1820044b | 1150 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1151 | { |
1152 | (*ins_del_lines_hook) (vpos, n); | |
1153 | return; | |
1154 | } | |
1155 | ||
e52f4e08 | 1156 | sf = XFRAME (selected_frame); |
177c0ea7 | 1157 | |
08a24c47 JB |
1158 | /* If the lines below the insertion are being pushed |
1159 | into the end of the window, this is the same as clearing; | |
1160 | and we know the lines are already clear, since the matching | |
1161 | deletion has already been done. So can ignore this. */ | |
1162 | /* If the lines below the deletion are blank lines coming | |
1163 | out of the end of the window, don't bother, | |
1164 | as there will be a matching inslines later that will flush them. */ | |
1165 | if (scroll_region_ok && vpos + i >= specified_window) | |
1166 | return; | |
9882535b | 1167 | if (!memory_below_frame && vpos + i >= FRAME_LINES (sf)) |
08a24c47 JB |
1168 | return; |
1169 | ||
1170 | if (multi) | |
1171 | { | |
1172 | raw_cursor_to (vpos, 0); | |
1173 | background_highlight (); | |
1174 | buf = tparam (multi, 0, 0, i); | |
1175 | OUTPUT (buf); | |
9ac0d9e0 | 1176 | xfree (buf); |
08a24c47 JB |
1177 | } |
1178 | else if (single) | |
1179 | { | |
1180 | raw_cursor_to (vpos, 0); | |
1181 | background_highlight (); | |
1182 | while (--i >= 0) | |
1183 | OUTPUT (single); | |
1184 | if (TF_teleray) | |
1185 | curX = 0; | |
1186 | } | |
1187 | else | |
1188 | { | |
1189 | set_scroll_region (vpos, specified_window); | |
1190 | if (n < 0) | |
1191 | raw_cursor_to (specified_window - 1, 0); | |
1192 | else | |
1193 | raw_cursor_to (vpos, 0); | |
1194 | background_highlight (); | |
1195 | while (--i >= 0) | |
1196 | OUTPUTL (scroll, specified_window - vpos); | |
1197 | set_scroll_region (0, specified_window); | |
1198 | } | |
1199 | ||
ff11dfa1 | 1200 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1201 | { |
9882535b | 1202 | cursor_to (FRAME_LINES (sf) + n, 0); |
08a24c47 JB |
1203 | clear_to_end (); |
1204 | } | |
1205 | } | |
1206 | \f | |
1207 | /* Compute cost of sending "str", in characters, | |
1208 | not counting any line-dependent padding. */ | |
1209 | ||
1210 | int | |
1211 | string_cost (str) | |
1212 | char *str; | |
1213 | { | |
1214 | cost = 0; | |
1215 | if (str) | |
1216 | tputs (str, 0, evalcost); | |
1217 | return cost; | |
1218 | } | |
1219 | ||
1220 | /* Compute cost of sending "str", in characters, | |
1221 | counting any line-dependent padding at one line. */ | |
1222 | ||
1223 | static int | |
1224 | string_cost_one_line (str) | |
1225 | char *str; | |
1226 | { | |
1227 | cost = 0; | |
1228 | if (str) | |
1229 | tputs (str, 1, evalcost); | |
1230 | return cost; | |
1231 | } | |
1232 | ||
1233 | /* Compute per line amount of line-dependent padding, | |
1234 | in tenths of characters. */ | |
1235 | ||
1236 | int | |
1237 | per_line_cost (str) | |
1238 | register char *str; | |
1239 | { | |
1240 | cost = 0; | |
1241 | if (str) | |
1242 | tputs (str, 0, evalcost); | |
1243 | cost = - cost; | |
1244 | if (str) | |
1245 | tputs (str, 10, evalcost); | |
1246 | return cost; | |
1247 | } | |
1248 | ||
1249 | #ifndef old | |
1250 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1251 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1252 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1253 | |
1254 | int *char_ins_del_vector; | |
1255 | ||
9882535b | 1256 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1257 | #endif |
1258 | ||
1259 | /* ARGSUSED */ | |
1260 | static void | |
ff11dfa1 JB |
1261 | calculate_ins_del_char_costs (frame) |
1262 | FRAME_PTR frame; | |
08a24c47 JB |
1263 | { |
1264 | int ins_startup_cost, del_startup_cost; | |
1265 | int ins_cost_per_char, del_cost_per_char; | |
1266 | register int i; | |
1267 | register int *p; | |
1268 | ||
1269 | if (TS_ins_multi_chars) | |
1270 | { | |
1271 | ins_cost_per_char = 0; | |
1272 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1273 | } | |
1274 | else if (TS_ins_char || TS_pad_inserted_char | |
1275 | || (TS_insert_mode && TS_end_insert_mode)) | |
1276 | { | |
1277 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1278 | + string_cost (TS_end_insert_mode))) / 100; | |
1279 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1280 | + string_cost_one_line (TS_pad_inserted_char)); | |
1281 | } | |
1282 | else | |
1283 | { | |
1284 | ins_startup_cost = 9999; | |
1285 | ins_cost_per_char = 0; | |
1286 | } | |
1287 | ||
1288 | if (TS_del_multi_chars) | |
1289 | { | |
1290 | del_cost_per_char = 0; | |
1291 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1292 | } | |
1293 | else if (TS_del_char) | |
1294 | { | |
1295 | del_startup_cost = (string_cost (TS_delete_mode) | |
1296 | + string_cost (TS_end_delete_mode)); | |
1297 | if (delete_in_insert_mode) | |
1298 | del_startup_cost /= 2; | |
1299 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1300 | } | |
1301 | else | |
1302 | { | |
1303 | del_startup_cost = 9999; | |
1304 | del_cost_per_char = 0; | |
1305 | } | |
1306 | ||
1307 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1308 | p = &char_ins_del_cost (frame)[0]; |
9882535b | 1309 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1310 | *--p = (del_startup_cost += del_cost_per_char); |
1311 | ||
1312 | /* Doing nothing is free */ | |
ff11dfa1 | 1313 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1314 | *p++ = 0; |
1315 | ||
1316 | /* Insert costs are at positive offsets */ | |
9882535b | 1317 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1318 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1319 | } | |
1320 | ||
dfcf069d | 1321 | void |
ff11dfa1 JB |
1322 | calculate_costs (frame) |
1323 | FRAME_PTR frame; | |
08a24c47 | 1324 | { |
9f732a77 RS |
1325 | register char *f = (TS_set_scroll_region |
1326 | ? TS_set_scroll_region | |
1327 | : TS_set_scroll_region_1); | |
08a24c47 | 1328 | |
9f732a77 | 1329 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1330 | |
be7cd44f | 1331 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1332 | |
1333 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1334 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1335 | |
1336 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
8ede64a5 | 1337 | X turns off char_ins_del_ok. */ |
08a24c47 | 1338 | |
9882535b KS |
1339 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1340 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
8dd0c7cb | 1341 | |
8ede64a5 | 1342 | costs_set = 1; |
08a24c47 JB |
1343 | |
1344 | if (char_ins_del_vector != 0) | |
1345 | char_ins_del_vector | |
1346 | = (int *) xrealloc (char_ins_del_vector, | |
1347 | (sizeof (int) | |
9882535b | 1348 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 JB |
1349 | else |
1350 | char_ins_del_vector | |
1351 | = (int *) xmalloc (sizeof (int) | |
9882535b | 1352 | + 2 * max_frame_cols * sizeof (int)); |
08a24c47 | 1353 | |
08a24c47 | 1354 | bzero (char_ins_del_vector, (sizeof (int) |
9882535b | 1355 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 | 1356 | |
ff11dfa1 JB |
1357 | if (f && (!TS_ins_line && !TS_del_line)) |
1358 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1359 | TS_rev_scroll, TS_ins_multi_lines, |
1360 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1361 | f, f, 1); |
08a24c47 | 1362 | else |
ff11dfa1 | 1363 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1364 | TS_ins_line, TS_ins_multi_lines, |
1365 | TS_del_line, TS_del_multi_lines, | |
1366 | 0, 0, 1); | |
1367 | ||
ff11dfa1 | 1368 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1369 | |
1370 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1371 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1372 | RPov = string_cost (TS_repeat); | |
1373 | else | |
9882535b | 1374 | RPov = FRAME_COLS (frame) * 2; |
08a24c47 JB |
1375 | |
1376 | cmcostinit (); /* set up cursor motion costs */ | |
1377 | } | |
1378 | \f | |
a796ac82 JB |
1379 | struct fkey_table { |
1380 | char *cap, *name; | |
1381 | }; | |
1382 | ||
01d8deb0 ER |
1383 | /* Termcap capability names that correspond directly to X keysyms. |
1384 | Some of these (marked "terminfo") aren't supplied by old-style | |
1385 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1386 | except we put the keypad keys first, so that if they clash with | |
1387 | other keys (as on the IBM PC keyboard) they get overridden. | |
1388 | */ | |
1389 | ||
a168702a GM |
1390 | static struct fkey_table keys[] = |
1391 | { | |
8103ad1a PJ |
1392 | {"kh", "home"}, /* termcap */ |
1393 | {"kl", "left"}, /* termcap */ | |
1394 | {"ku", "up"}, /* termcap */ | |
1395 | {"kr", "right"}, /* termcap */ | |
1396 | {"kd", "down"}, /* termcap */ | |
1397 | {"%8", "prior"}, /* terminfo */ | |
1398 | {"%5", "next"}, /* terminfo */ | |
1399 | {"@7", "end"}, /* terminfo */ | |
1400 | {"@1", "begin"}, /* terminfo */ | |
1401 | {"*6", "select"}, /* terminfo */ | |
1402 | {"%9", "print"}, /* terminfo */ | |
1403 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1404 | /* |
1405 | * "insert" --- see below | |
1406 | */ | |
8103ad1a PJ |
1407 | {"&8", "undo"}, /* terminfo */ |
1408 | {"%0", "redo"}, /* terminfo */ | |
1409 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1410 | {"@0", "find"}, /* terminfo */ | |
1411 | {"@2", "cancel"}, /* terminfo */ | |
1412 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1413 | /* |
1414 | * "break" goes here, but can't be reliably intercepted with termcap | |
1415 | */ | |
8103ad1a | 1416 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1417 | /* |
1418 | * "system" and "user" --- no termcaps | |
1419 | */ | |
8103ad1a PJ |
1420 | {"kE", "clearline"}, /* terminfo */ |
1421 | {"kA", "insertline"}, /* terminfo */ | |
1422 | {"kL", "deleteline"}, /* terminfo */ | |
1423 | {"kI", "insertchar"}, /* terminfo */ | |
1424 | {"kD", "deletechar"}, /* terminfo */ | |
1425 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1426 | /* |
1427 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1428 | */ | |
8103ad1a | 1429 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1430 | /* |
1431 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1432 | * "kp-multiply", "kp-add", "kp-separator", | |
1433 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1434 | * --- no termcaps for any of these. | |
1435 | */ | |
8103ad1a | 1436 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1437 | /* |
1438 | * "kp-2" --- no termcap | |
1439 | */ | |
8103ad1a | 1440 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1441 | /* |
1442 | * "kp-4" --- no termcap | |
1443 | */ | |
8103ad1a | 1444 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1445 | /* |
1446 | * "kp-6" --- no termcap | |
1447 | */ | |
8103ad1a | 1448 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1449 | /* |
1450 | * "kp-8" --- no termcap | |
1451 | */ | |
8103ad1a | 1452 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1453 | /* |
1454 | * "kp-equal" --- no termcap | |
1455 | */ | |
8103ad1a PJ |
1456 | {"k1", "f1"}, |
1457 | {"k2", "f2"}, | |
1458 | {"k3", "f3"}, | |
1459 | {"k4", "f4"}, | |
1460 | {"k5", "f5"}, | |
1461 | {"k6", "f6"}, | |
1462 | {"k7", "f7"}, | |
1463 | {"k8", "f8"}, | |
60ec7b7e DN |
1464 | {"k9", "f9"}, |
1465 | ||
1466 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1467 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1468 | {"*0", "S-find"}, /*shifted find key*/ | |
1469 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1470 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1471 | {"*7", "S-end"}, /*shifted end key*/ | |
1472 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1473 | {"#1", "S-help"}, /*shifted help key*/ | |
1474 | {"#2", "S-home"}, /*shifted home key*/ | |
1475 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1476 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1477 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1478 | {"%c", "S-next"}, /*shifted next key*/ | |
1479 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1480 | {"%f", "S-print"}, /*shifted print key*/ | |
1481 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1482 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1483 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1484 | }; |
1485 | ||
f2a00342 RM |
1486 | static char **term_get_fkeys_arg; |
1487 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1488 | |
01d8deb0 | 1489 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1490 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1491 | adds entries to Vfunction_key_map for each function key it finds. */ |
1492 | ||
5c2c7893 JB |
1493 | void |
1494 | term_get_fkeys (address) | |
1495 | char **address; | |
f2a00342 RM |
1496 | { |
1497 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1498 | errors during the call. The only errors should be from Fdefine_key | |
1499 | when given a key sequence containing an invalid prefix key. If the | |
1500 | termcap defines function keys which use a prefix that is already bound | |
1501 | to a command by the default bindings, we should silently ignore that | |
1502 | function key specification, rather than giving the user an error and | |
1503 | refusing to run at all on such a terminal. */ | |
1504 | ||
1505 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1506 | term_get_fkeys_arg = address; |
1507 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1508 | } | |
1509 | ||
1510 | static Lisp_Object | |
1511 | term_get_fkeys_1 () | |
5c2c7893 | 1512 | { |
5c2c7893 JB |
1513 | int i; |
1514 | ||
37085233 | 1515 | char **address = term_get_fkeys_arg; |
f778aff2 | 1516 | |
3e65092f RS |
1517 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1518 | if (!initialized) | |
1519 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1520 | ||
5c2c7893 JB |
1521 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1522 | { | |
1523 | char *sequence = tgetstr (keys[i].cap, address); | |
1524 | if (sequence) | |
f2a00342 RM |
1525 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1526 | Fmake_vector (make_number (1), | |
1527 | intern (keys[i].name))); | |
5c2c7893 | 1528 | } |
a796ac82 JB |
1529 | |
1530 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1531 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1532 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1533 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1534 | */ | |
1535 | { | |
1536 | char *k_semi = tgetstr ("k;", address); | |
1537 | char *k0 = tgetstr ("k0", address); | |
1538 | char *k0_name = "f10"; | |
1539 | ||
1540 | if (k_semi) | |
1541 | { | |
95c11956 SM |
1542 | if (k0) |
1543 | /* Define f0 first, so that f10 takes precedence in case the | |
1544 | key sequences happens to be the same. */ | |
1545 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1546 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1547 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1548 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1549 | } |
95c11956 | 1550 | else if (k0) |
f2a00342 RM |
1551 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1552 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1553 | } |
01d8deb0 ER |
1554 | |
1555 | /* Set up cookies for numbered function keys above f10. */ | |
1556 | { | |
1557 | char fcap[3], fkey[4]; | |
1558 | ||
fc4f24da | 1559 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1560 | for (i = 11; i < 64; i++) |
1561 | { | |
1562 | if (i <= 19) | |
1563 | fcap[1] = '1' + i - 11; | |
1564 | else if (i <= 45) | |
b59ab95c | 1565 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1566 | else |
b59ab95c | 1567 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1568 | |
fc4f24da RS |
1569 | { |
1570 | char *sequence = tgetstr (fcap, address); | |
1571 | if (sequence) | |
1572 | { | |
465db27b | 1573 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1574 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1575 | Fmake_vector (make_number (1), | |
1576 | intern (fkey))); | |
fc4f24da RS |
1577 | } |
1578 | } | |
01d8deb0 ER |
1579 | } |
1580 | } | |
1581 | ||
1582 | /* | |
1583 | * Various mappings to try and get a better fit. | |
1584 | */ | |
1585 | { | |
fc4f24da RS |
1586 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1587 | if (!tgetstr (cap1, address)) \ | |
1588 | { \ | |
1589 | char *sequence = tgetstr (cap2, address); \ | |
1590 | if (sequence) \ | |
f2a00342 RM |
1591 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1592 | Fmake_vector (make_number (1), \ | |
1593 | intern (sym))); \ | |
fc4f24da | 1594 | } |
177c0ea7 | 1595 | |
01d8deb0 | 1596 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1597 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1598 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1599 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1600 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1601 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1602 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1603 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1604 | |
1605 | /* IBM has their own non-standard dialect of terminfo. | |
1606 | If the standard name isn't found, try the IBM name. */ | |
1607 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1608 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1609 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1610 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1611 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1612 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1613 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1614 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1615 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1616 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1617 | } |
a168702a GM |
1618 | |
1619 | return Qnil; | |
5c2c7893 JB |
1620 | } |
1621 | ||
1622 | \f | |
a168702a GM |
1623 | /*********************************************************************** |
1624 | Character Display Information | |
1625 | ***********************************************************************/ | |
1626 | ||
1627 | static void append_glyph P_ ((struct it *)); | |
f46c2aff | 1628 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1629 | |
1630 | ||
1631 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
1632 | terminal frames if IT->glyph_row != NULL. IT->c is the character | |
1633 | for which to produce glyphs; IT->face_id contains the character's | |
1634 | face. Padding glyphs are appended if IT->c has a IT->pixel_width > | |
1635 | 1. */ | |
177c0ea7 | 1636 | |
a168702a GM |
1637 | static void |
1638 | append_glyph (it) | |
1639 | struct it *it; | |
1640 | { | |
1641 | struct glyph *glyph, *end; | |
1642 | int i; | |
1643 | ||
1644 | xassert (it->glyph_row); | |
1645 | glyph = (it->glyph_row->glyphs[it->area] | |
1646 | + it->glyph_row->used[it->area]); | |
1647 | end = it->glyph_row->glyphs[1 + it->area]; | |
1648 | ||
177c0ea7 JB |
1649 | for (i = 0; |
1650 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1651 | ++i) |
1652 | { | |
1653 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1654 | glyph->pixel_width = 1; |
32de38e4 KH |
1655 | glyph->u.ch = it->c; |
1656 | glyph->face_id = it->face_id; | |
1657 | glyph->padding_p = i > 0; | |
a168702a GM |
1658 | glyph->charpos = CHARPOS (it->position); |
1659 | glyph->object = it->object; | |
177c0ea7 | 1660 | |
a168702a GM |
1661 | ++it->glyph_row->used[it->area]; |
1662 | ++glyph; | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | ||
b50fe468 RS |
1667 | /* Produce glyphs for the display element described by IT. *IT |
1668 | specifies what we want to produce a glyph for (character, image, ...), | |
1669 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1670 | produce_glyphs fills in output fields of *IT with information such as the | |
1671 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1672 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1673 | struct display_iterator in dispextern.h for an overview. |
1674 | ||
1675 | produce_glyphs also stores the result of glyph width, ascent | |
1676 | etc. computations in *IT. | |
1677 | ||
1678 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1679 | actually fill in the glyphs. This is used in the move_* functions | |
1680 | in xdisp.c for text width and height computations. | |
1681 | ||
1682 | Callers usually don't call produce_glyphs directly; | |
1683 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1684 | |
177c0ea7 | 1685 | void |
a168702a GM |
1686 | produce_glyphs (it) |
1687 | struct it *it; | |
1688 | { | |
1689 | /* If a hook is installed, let it do the work. */ | |
1690 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1691 | || it->what == IT_COMPOSITION |
a168702a | 1692 | || it->what == IT_STRETCH); |
177c0ea7 | 1693 | |
f46c2aff KS |
1694 | if (it->what == IT_STRETCH) |
1695 | { | |
1696 | produce_stretch_glyph (it); | |
1697 | goto done; | |
1698 | } | |
1699 | ||
c7cba11d KH |
1700 | /* Nothing but characters are supported on terminal frames. For a |
1701 | composition sequence, it->c is the first character of the | |
1702 | sequence. */ | |
1703 | xassert (it->what == IT_CHARACTER | |
1704 | || it->what == IT_COMPOSITION); | |
a168702a GM |
1705 | |
1706 | if (it->c >= 040 && it->c < 0177) | |
1707 | { | |
1708 | it->pixel_width = it->nglyphs = 1; | |
1709 | if (it->glyph_row) | |
1710 | append_glyph (it); | |
1711 | } | |
1712 | else if (it->c == '\n') | |
1713 | it->pixel_width = it->nglyphs = 0; | |
1714 | else if (it->c == '\t') | |
1715 | { | |
2efdbcdd | 1716 | int absolute_x = (it->current_x |
a168702a | 1717 | + it->continuation_lines_width); |
177c0ea7 JB |
1718 | int next_tab_x |
1719 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1720 | / it->tab_width) |
1721 | * it->tab_width); | |
1722 | int nspaces; | |
1723 | ||
1724 | /* If part of the TAB has been displayed on the previous line | |
1725 | which is continued now, continuation_lines_width will have | |
1726 | been incremented already by the part that fitted on the | |
1727 | continued line. So, we will get the right number of spaces | |
1728 | here. */ | |
1729 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1730 | |
a168702a GM |
1731 | if (it->glyph_row) |
1732 | { | |
1733 | int n = nspaces; | |
177c0ea7 | 1734 | |
a168702a GM |
1735 | it->c = ' '; |
1736 | it->pixel_width = it->len = 1; | |
177c0ea7 | 1737 | |
a168702a GM |
1738 | while (n--) |
1739 | append_glyph (it); | |
177c0ea7 | 1740 | |
a168702a GM |
1741 | it->c = '\t'; |
1742 | } | |
1743 | ||
1744 | it->pixel_width = nspaces; | |
1745 | it->nglyphs = nspaces; | |
1746 | } | |
add44890 EZ |
1747 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1748 | { | |
cf872af5 | 1749 | /* Coming here means that it->c is from display table, thus we |
add44890 EZ |
1750 | must send the code as is to the terminal. Although there's |
1751 | no way to know how many columns it occupies on a screen, it | |
1752 | is a good assumption that a single byte code has 1-column | |
1753 | width. */ | |
1754 | it->pixel_width = it->nglyphs = 1; | |
1755 | if (it->glyph_row) | |
1756 | append_glyph (it); | |
1757 | } | |
a168702a GM |
1758 | else |
1759 | { | |
c7cba11d KH |
1760 | /* A multi-byte character. The display width is fixed for all |
1761 | characters of the set. Some of the glyphs may have to be | |
1762 | ignored because they are already displayed in a continued | |
1763 | line. */ | |
a168702a GM |
1764 | int charset = CHAR_CHARSET (it->c); |
1765 | ||
c7cba11d | 1766 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1767 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1768 | |
a168702a GM |
1769 | if (it->glyph_row) |
1770 | append_glyph (it); | |
1771 | } | |
1772 | ||
f46c2aff | 1773 | done: |
177c0ea7 | 1774 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1775 | the caller. */ |
1776 | if (it->area == TEXT_AREA) | |
1777 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1778 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1779 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1780 | } |
1781 | ||
1782 | ||
f46c2aff KS |
1783 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1784 | of the glyph property displayed. The value must be a list | |
1785 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1786 | being recognized: | |
1787 | ||
1788 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1789 | canonical char width wide. WIDTH may be an integer or floating | |
1790 | point number. | |
1791 | ||
1792 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1793 | to reach HPOS, a value in canonical character units. */ | |
1794 | ||
1795 | static void | |
1796 | produce_stretch_glyph (it) | |
1797 | struct it *it; | |
1798 | { | |
1799 | /* (space :width WIDTH ...) */ | |
1800 | Lisp_Object prop, plist; | |
1801 | int width = 0, align_to = -1; | |
1802 | int zero_width_ok_p = 0; | |
1803 | double tem; | |
1804 | ||
1805 | /* List should start with `space'. */ | |
1806 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1807 | plist = XCDR (it->object); | |
1808 | ||
1809 | /* Compute the width of the stretch. */ | |
1810 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1811 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1812 | { | |
1813 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1814 | zero_width_ok_p = 1; | |
1815 | width = (int)(tem + 0.5); | |
1816 | } | |
1817 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1818 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1819 | { | |
1820 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
1821 | align_to = (align_to < 0 | |
1822 | ? 0 | |
1823 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1824 | else if (align_to < 0) | |
1825 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1826 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1827 | zero_width_ok_p = 1; | |
1828 | } | |
1829 | else | |
1830 | /* Nothing specified -> width defaults to canonical char width. */ | |
1831 | width = FRAME_COLUMN_WIDTH (it->f); | |
1832 | ||
1833 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1834 | width = 1; | |
1835 | ||
1836 | if (width > 0 && it->glyph_row) | |
1837 | { | |
1838 | Lisp_Object o_object = it->object; | |
1839 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1840 | int n = width; | |
1841 | int c = it->c; | |
1842 | ||
1843 | if (!STRINGP (object)) | |
1844 | object = it->w->buffer; | |
1845 | it->object = object; | |
1846 | it->c = ' '; | |
1847 | it->pixel_width = it->len = 1; | |
1848 | while (n--) | |
1849 | append_glyph (it); | |
1850 | it->object = o_object; | |
1851 | it->c = c; | |
1852 | } | |
1853 | it->pixel_width = width; | |
1854 | it->nglyphs = width; | |
1855 | } | |
1856 | ||
1857 | ||
a168702a GM |
1858 | /* Get information about special display element WHAT in an |
1859 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1860 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1861 | non-null glyph_row member. This function ensures that fields like | |
1862 | face_id, c, len of IT are left untouched. */ | |
1863 | ||
1864 | void | |
1865 | produce_special_glyphs (it, what) | |
1866 | struct it *it; | |
1867 | enum display_element_type what; | |
1868 | { | |
1869 | struct it temp_it; | |
072d84a6 | 1870 | GLYPH glyph; |
177c0ea7 | 1871 | |
a168702a GM |
1872 | temp_it = *it; |
1873 | temp_it.dp = NULL; | |
1874 | temp_it.what = IT_CHARACTER; | |
1875 | temp_it.len = 1; | |
7c752c80 | 1876 | temp_it.object = make_number (0); |
a168702a GM |
1877 | bzero (&temp_it.current, sizeof temp_it.current); |
1878 | ||
1879 | if (what == IT_CONTINUATION) | |
1880 | { | |
1881 | /* Continuation glyph. */ | |
1882 | if (it->dp | |
1883 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1884 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1885 | { | |
072d84a6 RS |
1886 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1887 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1888 | } |
1889 | else | |
072d84a6 | 1890 | glyph = '\\'; |
a168702a GM |
1891 | } |
1892 | else if (what == IT_TRUNCATION) | |
1893 | { | |
1894 | /* Truncation glyph. */ | |
1895 | if (it->dp | |
1896 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
1897 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
1898 | { | |
072d84a6 RS |
1899 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
1900 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1901 | } |
1902 | else | |
072d84a6 | 1903 | glyph = '$'; |
a168702a GM |
1904 | } |
1905 | else | |
1906 | abort (); | |
072d84a6 RS |
1907 | |
1908 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
1909 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
1910 | temp_it.len = CHAR_BYTES (temp_it.c); | |
1911 | ||
1912 | produce_glyphs (&temp_it); | |
1913 | it->pixel_width = temp_it.pixel_width; | |
1914 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
1915 | } |
1916 | ||
1917 | ||
a168702a GM |
1918 | \f |
1919 | /*********************************************************************** | |
1920 | Faces | |
1921 | ***********************************************************************/ | |
1922 | ||
4e6ba4a4 GM |
1923 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
1924 | one of the enumerators from enum no_color_bit, or a bit set built | |
1925 | from them. Some display attributes may not be used together with | |
1926 | color; the termcap capability `NC' specifies which ones. */ | |
1927 | ||
1928 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
1929 | (TN_max_colors > 0 \ | |
1930 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
1931 | : 1) | |
a168702a | 1932 | |
072d84a6 RS |
1933 | /* Turn appearances of face FACE_ID on tty frame F on. |
1934 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
1935 | |
1936 | static void | |
1937 | turn_on_face (f, face_id) | |
1938 | struct frame *f; | |
1939 | int face_id; | |
1940 | { | |
1941 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
1942 | long fg = face->foreground; |
1943 | long bg = face->background; | |
a168702a | 1944 | |
86a7d192 GM |
1945 | /* Do this first because TS_end_standout_mode may be the same |
1946 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
1947 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
1948 | { | |
1949 | if (TN_max_colors > 0) | |
1950 | { | |
1951 | if (fg >= 0 && bg >= 0) | |
1952 | { | |
1953 | /* If the terminal supports colors, we can set them | |
1954 | below without using reverse video. The face's fg | |
1955 | and bg colors are set as they should appear on | |
1956 | the screen, i.e. they take the inverse-video'ness | |
1957 | of the face already into account. */ | |
1958 | } | |
1959 | else if (inverse_video) | |
1960 | { | |
1961 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1962 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
1963 | toggle_highlight (); | |
1964 | } | |
1965 | else | |
1966 | { | |
1967 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1968 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
1969 | toggle_highlight (); | |
1970 | } | |
1971 | } | |
1972 | else | |
1973 | { | |
1974 | /* If we can't display colors, use reverse video | |
1975 | if the face specifies that. */ | |
37526b42 GM |
1976 | if (inverse_video) |
1977 | { | |
1978 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
1979 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
1980 | toggle_highlight (); | |
1981 | } | |
1982 | else | |
1983 | { | |
1984 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
1985 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
1986 | toggle_highlight (); | |
1987 | } | |
86a7d192 GM |
1988 | } |
1989 | } | |
a168702a GM |
1990 | |
1991 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
1992 | { |
1993 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
1994 | OUTPUT1_IF (TS_enter_bold_mode); | |
1995 | } | |
a168702a | 1996 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
1997 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
1998 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
1999 | |
2000 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2001 | if (face->tty_alt_charset_p |
2002 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2003 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2004 | ||
4e6ba4a4 GM |
2005 | if (face->tty_blinking_p |
2006 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2007 | OUTPUT1_IF (TS_enter_blink_mode); |
2008 | ||
54800acb | 2009 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) |
a168702a GM |
2010 | OUTPUT1_IF (TS_enter_underline_mode); |
2011 | ||
a168702a GM |
2012 | if (TN_max_colors > 0) |
2013 | { | |
2014 | char *p; | |
177c0ea7 | 2015 | |
86a7d192 | 2016 | if (fg >= 0 && TS_set_foreground) |
a168702a | 2017 | { |
9b08f2c1 JL |
2018 | if (standout_mode) |
2019 | p = tparam (TS_set_background, NULL, 0, (int) fg); | |
2020 | else | |
2021 | p = tparam (TS_set_foreground, NULL, 0, (int) fg); | |
a168702a GM |
2022 | OUTPUT (p); |
2023 | xfree (p); | |
2024 | } | |
2025 | ||
86a7d192 | 2026 | if (bg >= 0 && TS_set_background) |
a168702a | 2027 | { |
9b08f2c1 JL |
2028 | if (standout_mode) |
2029 | p = tparam (TS_set_foreground, NULL, 0, (int) bg); | |
2030 | else | |
2031 | p = tparam (TS_set_background, NULL, 0, (int) bg); | |
a168702a GM |
2032 | OUTPUT (p); |
2033 | xfree (p); | |
2034 | } | |
2035 | } | |
2036 | } | |
177c0ea7 | 2037 | |
a168702a GM |
2038 | |
2039 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2040 | ||
2041 | static void | |
2042 | turn_off_face (f, face_id) | |
2043 | struct frame *f; | |
2044 | int face_id; | |
2045 | { | |
2046 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2047 | |
2048 | xassert (face != NULL); | |
2049 | ||
2050 | if (TS_exit_attribute_mode) | |
2051 | { | |
2052 | /* Capability "me" will turn off appearance modes double-bright, | |
2053 | half-bright, reverse-video, standout, underline. It may or | |
2054 | may not turn off alt-char-mode. */ | |
2055 | if (face->tty_bold_p | |
2056 | || face->tty_dim_p | |
2057 | || face->tty_reverse_p | |
2058 | || face->tty_alt_charset_p | |
2059 | || face->tty_blinking_p | |
2060 | || face->tty_underline_p) | |
65aa5e85 GM |
2061 | { |
2062 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2063 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2064 | standout_mode = 0; | |
2065 | } | |
a168702a GM |
2066 | |
2067 | if (face->tty_alt_charset_p) | |
2068 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2069 | } | |
2070 | else | |
2071 | { | |
2072 | /* If we don't have "me" we can only have those appearances | |
2073 | that have exit sequences defined. */ | |
2074 | if (face->tty_alt_charset_p) | |
2075 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2076 | ||
54800acb | 2077 | if (face->tty_underline_p) |
a168702a GM |
2078 | OUTPUT_IF (TS_exit_underline_mode); |
2079 | } | |
2080 | ||
2081 | /* Switch back to default colors. */ | |
2082 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2083 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2084 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2085 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2086 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2087 | OUTPUT1_IF (TS_orig_pair); |
2088 | } | |
177c0ea7 JB |
2089 | |
2090 | ||
b63a55ac MB |
2091 | /* Return non-zero if the terminal on frame F supports all of the |
2092 | capabilities in CAPS simultaneously, with foreground and background | |
2093 | colors FG and BG. */ | |
2094 | ||
4a8130f2 MB |
2095 | int |
2096 | tty_capable_p (f, caps, fg, bg) | |
b63a55ac MB |
2097 | struct frame *f; |
2098 | unsigned caps; | |
2099 | unsigned long fg, bg; | |
2100 | { | |
2101 | #define TTY_CAPABLE_P_TRY(cap, TS, NC_bit) \ | |
2102 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit))) \ | |
2103 | return 0; | |
2104 | ||
2105 | TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode, NC_REVERSE); | |
2106 | TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, NC_UNDERLINE); | |
2107 | TTY_CAPABLE_P_TRY (TTY_CAP_BOLD, TS_enter_bold_mode, NC_BOLD); | |
2108 | TTY_CAPABLE_P_TRY (TTY_CAP_DIM, TS_enter_dim_mode, NC_DIM); | |
2109 | TTY_CAPABLE_P_TRY (TTY_CAP_BLINK, TS_enter_blink_mode, NC_BLINK); | |
2110 | TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
2111 | ||
2112 | /* We can do it! */ | |
2113 | return 1; | |
2114 | } | |
2115 | ||
2116 | ||
a168702a GM |
2117 | /* Return non-zero if the terminal is capable to display colors. */ |
2118 | ||
2119 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2120 | 0, 1, 0, |
99fdd6bc EZ |
2121 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
2122 | (display) | |
2123 | Lisp_Object display; | |
a168702a GM |
2124 | { |
2125 | return TN_max_colors > 0 ? Qt : Qnil; | |
2126 | } | |
2127 | ||
bfa62f96 EZ |
2128 | /* Return the number of supported colors. */ |
2129 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2130 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
2131 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
2132 | (display) | |
2133 | Lisp_Object display; | |
bfa62f96 EZ |
2134 | { |
2135 | return make_number (TN_max_colors); | |
2136 | } | |
2137 | ||
ace28297 | 2138 | #ifndef WINDOWSNT |
a168702a | 2139 | |
ace28297 EZ |
2140 | /* Save or restore the default color-related capabilities of this |
2141 | terminal. */ | |
2142 | static void | |
2143 | tty_default_color_capabilities (save) | |
2144 | int save; | |
2145 | { | |
2146 | static char | |
2147 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
2148 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
2149 | ||
2150 | if (save) | |
2151 | { | |
2152 | if (default_orig_pair) | |
2153 | xfree (default_orig_pair); | |
2154 | default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL; | |
2155 | ||
2156 | if (default_set_foreground) | |
2157 | xfree (default_set_foreground); | |
2158 | default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground) | |
2159 | : NULL; | |
2160 | ||
2161 | if (default_set_background) | |
2162 | xfree (default_set_background); | |
2163 | default_set_background = TS_set_background ? xstrdup (TS_set_background) | |
2164 | : NULL; | |
2165 | ||
2166 | default_max_colors = TN_max_colors; | |
2167 | default_max_pairs = TN_max_pairs; | |
2168 | default_no_color_video = TN_no_color_video; | |
2169 | } | |
2170 | else | |
2171 | { | |
2172 | TS_orig_pair = default_orig_pair; | |
2173 | TS_set_foreground = default_set_foreground; | |
2174 | TS_set_background = default_set_background; | |
2175 | TN_max_colors = default_max_colors; | |
2176 | TN_max_pairs = default_max_pairs; | |
2177 | TN_no_color_video = default_no_color_video; | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | /* Setup one of the standard tty color schemes according to MODE. | |
2182 | MODE's value is generally the number of colors which we want to | |
2183 | support; zero means set up for the default capabilities, the ones | |
2184 | we saw at term_init time; -1 means turn off color support. */ | |
2185 | void | |
2186 | tty_setup_colors (mode) | |
2187 | int mode; | |
2188 | { | |
40409f05 EZ |
2189 | /* Canonicalize all negative values of MODE. */ |
2190 | if (mode < -1) | |
2191 | mode = -1; | |
2192 | ||
ace28297 EZ |
2193 | switch (mode) |
2194 | { | |
2195 | case -1: /* no colors at all */ | |
2196 | TN_max_colors = 0; | |
2197 | TN_max_pairs = 0; | |
2198 | TN_no_color_video = 0; | |
2199 | TS_set_foreground = TS_set_background = TS_orig_pair = NULL; | |
2200 | break; | |
2201 | case 0: /* default colors, if any */ | |
2202 | default: | |
2203 | tty_default_color_capabilities (0); | |
2204 | break; | |
2205 | case 8: /* 8 standard ANSI colors */ | |
2206 | TS_orig_pair = "\033[0m"; | |
2207 | #ifdef TERMINFO | |
2208 | TS_set_foreground = "\033[3%p1%dm"; | |
2209 | TS_set_background = "\033[4%p1%dm"; | |
2210 | #else | |
2211 | TS_set_foreground = "\033[3%dm"; | |
2212 | TS_set_background = "\033[4%dm"; | |
2213 | #endif | |
2214 | TN_max_colors = 8; | |
2215 | TN_max_pairs = 64; | |
2216 | TN_no_color_video = 0; | |
2217 | break; | |
2218 | } | |
2219 | } | |
2220 | ||
2221 | void | |
2222 | set_tty_color_mode (f, val) | |
2223 | struct frame *f; | |
2224 | Lisp_Object val; | |
2225 | { | |
dfc7a077 | 2226 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2227 | Lisp_Object color_mode, current_mode; |
2228 | int mode, old_mode; | |
2229 | extern Lisp_Object Qtty_color_mode; | |
2230 | Lisp_Object tty_color_mode_alist; | |
2231 | ||
2232 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2233 | Qnil); | |
2234 | ||
9ac61a89 | 2235 | if (INTEGERP (val)) |
ace28297 EZ |
2236 | color_mode = val; |
2237 | else | |
2238 | { | |
2239 | if (NILP (tty_color_mode_alist)) | |
2240 | color_mode_spec = Qnil; | |
2241 | else | |
2242 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2243 | |
2244 | if (CONSP (color_mode_spec)) | |
2245 | color_mode = XCDR (color_mode_spec); | |
2246 | else | |
2247 | color_mode = Qnil; | |
2248 | } | |
545d91d5 RS |
2249 | |
2250 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2251 | ||
ace28297 EZ |
2252 | if (CONSP (current_mode_spec)) |
2253 | current_mode = XCDR (current_mode_spec); | |
2254 | else | |
2255 | current_mode = Qnil; | |
9ac61a89 | 2256 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2257 | mode = XINT (color_mode); |
2258 | else | |
2259 | mode = 0; /* meaning default */ | |
9ac61a89 | 2260 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2261 | old_mode = XINT (current_mode); |
2262 | else | |
2263 | old_mode = 0; | |
2264 | ||
2265 | if (mode != old_mode) | |
2266 | { | |
2267 | tty_setup_colors (mode); | |
2268 | /* This recomputes all the faces given the new color | |
2269 | definitions. */ | |
2270 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2271 | redraw_frame (f); | |
2272 | } | |
2273 | } | |
2274 | ||
2275 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2276 | |
2277 | \f | |
2278 | /*********************************************************************** | |
2279 | Initialization | |
2280 | ***********************************************************************/ | |
2281 | ||
dfcf069d | 2282 | void |
08a24c47 JB |
2283 | term_init (terminal_type) |
2284 | char *terminal_type; | |
2285 | { | |
2286 | char *area; | |
2287 | char **address = &area; | |
3a06a6d9 | 2288 | char *buffer = NULL; |
5846981b | 2289 | int buffer_size = 4096; |
08a24c47 JB |
2290 | register char *p; |
2291 | int status; | |
e52f4e08 | 2292 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 2293 | |
af645abf KH |
2294 | encode_terminal_bufsize = 0; |
2295 | ||
cb28b9c2 | 2296 | #ifdef WINDOWSNT |
29f27c39 | 2297 | initialize_w32_display (); |
cb28b9c2 RS |
2298 | |
2299 | Wcm_clear (); | |
cb28b9c2 | 2300 | |
a678d9ff | 2301 | area = (char *) xmalloc (2044); |
cb28b9c2 | 2302 | |
9882535b KS |
2303 | FrameRows = FRAME_LINES (sf); |
2304 | FrameCols = FRAME_COLS (sf); | |
2305 | specified_window = FRAME_LINES (sf); | |
cb28b9c2 RS |
2306 | |
2307 | delete_in_insert_mode = 1; | |
2308 | ||
2309 | UseTabs = 0; | |
2310 | scroll_region_ok = 0; | |
2311 | ||
2312 | /* Seems to insert lines when it's not supposed to, messing | |
2313 | up the display. In doing a trace, it didn't seem to be | |
2314 | called much, so I don't think we're losing anything by | |
2315 | turning it off. */ | |
2316 | ||
2317 | line_ins_del_ok = 0; | |
2318 | char_ins_del_ok = 1; | |
2319 | ||
2320 | baud_rate = 19200; | |
2321 | ||
e52f4e08 GM |
2322 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2323 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 2324 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
2325 | |
2326 | return; | |
eccec691 | 2327 | #else /* not WINDOWSNT */ |
cb28b9c2 | 2328 | |
08a24c47 | 2329 | Wcm_clear (); |
08a24c47 | 2330 | |
3a06a6d9 | 2331 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2332 | status = tgetent (buffer, terminal_type); |
2333 | if (status < 0) | |
b0347178 KH |
2334 | { |
2335 | #ifdef TERMINFO | |
e12c1054 | 2336 | fatal ("Cannot open terminfo database file"); |
b0347178 | 2337 | #else |
e12c1054 | 2338 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
2339 | #endif |
2340 | } | |
08a24c47 | 2341 | if (status == 0) |
b0347178 KH |
2342 | { |
2343 | #ifdef TERMINFO | |
2344 | fatal ("Terminal type %s is not defined.\n\ | |
2345 | If that is not the actual type of terminal you have,\n\ | |
2346 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2347 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2348 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
2349 | terminal_type); |
2350 | #else | |
2351 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
2352 | If that is not the actual type of terminal you have,\n\ |
2353 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2354 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2355 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
2356 | terminal_type); |
2357 | #endif | |
2358 | } | |
3a06a6d9 | 2359 | |
f730033e | 2360 | #ifndef TERMINFO |
3a06a6d9 | 2361 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 2362 | abort (); |
f730033e | 2363 | buffer_size = strlen (buffer); |
3dd3a502 | 2364 | #endif |
f730033e | 2365 | area = (char *) xmalloc (buffer_size); |
08a24c47 JB |
2366 | |
2367 | TS_ins_line = tgetstr ("al", address); | |
2368 | TS_ins_multi_lines = tgetstr ("AL", address); | |
2369 | TS_bell = tgetstr ("bl", address); | |
2370 | BackTab = tgetstr ("bt", address); | |
2371 | TS_clr_to_bottom = tgetstr ("cd", address); | |
2372 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 2373 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 2374 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
2375 | AbsPosition = tgetstr ("cm", address); |
2376 | CR = tgetstr ("cr", address); | |
2377 | TS_set_scroll_region = tgetstr ("cs", address); | |
2378 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
2379 | RowPosition = tgetstr ("cv", address); | |
2380 | TS_del_char = tgetstr ("dc", address); | |
2381 | TS_del_multi_chars = tgetstr ("DC", address); | |
2382 | TS_del_line = tgetstr ("dl", address); | |
2383 | TS_del_multi_lines = tgetstr ("DL", address); | |
2384 | TS_delete_mode = tgetstr ("dm", address); | |
2385 | TS_end_delete_mode = tgetstr ("ed", address); | |
2386 | TS_end_insert_mode = tgetstr ("ei", address); | |
2387 | Home = tgetstr ("ho", address); | |
2388 | TS_ins_char = tgetstr ("ic", address); | |
2389 | TS_ins_multi_chars = tgetstr ("IC", address); | |
2390 | TS_insert_mode = tgetstr ("im", address); | |
2391 | TS_pad_inserted_char = tgetstr ("ip", address); | |
2392 | TS_end_keypad_mode = tgetstr ("ke", address); | |
2393 | TS_keypad_mode = tgetstr ("ks", address); | |
2394 | LastLine = tgetstr ("ll", address); | |
2395 | Right = tgetstr ("nd", address); | |
2396 | Down = tgetstr ("do", address); | |
2397 | if (!Down) | |
2398 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
2399 | #ifdef VMS | |
2400 | /* VMS puts a carriage return before each linefeed, | |
2401 | so it is not safe to use linefeeds. */ | |
2402 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
2403 | Down = 0; | |
2404 | #endif /* VMS */ | |
2405 | if (tgetflag ("bs")) | |
2406 | Left = "\b"; /* can't possibly be longer! */ | |
2407 | else /* (Actually, "bs" is obsolete...) */ | |
2408 | Left = tgetstr ("le", address); | |
2409 | if (!Left) | |
2410 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
2411 | TS_pad_char = tgetstr ("pc", address); | |
2412 | TS_repeat = tgetstr ("rp", address); | |
2413 | TS_end_standout_mode = tgetstr ("se", address); | |
2414 | TS_fwd_scroll = tgetstr ("sf", address); | |
2415 | TS_standout_mode = tgetstr ("so", address); | |
2416 | TS_rev_scroll = tgetstr ("sr", address); | |
2417 | Wcm.cm_tab = tgetstr ("ta", address); | |
2418 | TS_end_termcap_modes = tgetstr ("te", address); | |
2419 | TS_termcap_modes = tgetstr ("ti", address); | |
2420 | Up = tgetstr ("up", address); | |
2421 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
2422 | TS_cursor_normal = tgetstr ("ve", address); |
2423 | TS_cursor_visible = tgetstr ("vs", address); | |
2424 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 2425 | TS_set_window = tgetstr ("wi", address); |
177c0ea7 | 2426 | |
a168702a GM |
2427 | TS_enter_underline_mode = tgetstr ("us", address); |
2428 | TS_exit_underline_mode = tgetstr ("ue", address); | |
a168702a GM |
2429 | TS_enter_bold_mode = tgetstr ("md", address); |
2430 | TS_enter_dim_mode = tgetstr ("mh", address); | |
2431 | TS_enter_blink_mode = tgetstr ("mb", address); | |
2432 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
2433 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
2434 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
2435 | TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 2436 | |
08a24c47 JB |
2437 | MultiUp = tgetstr ("UP", address); |
2438 | MultiDown = tgetstr ("DO", address); | |
2439 | MultiLeft = tgetstr ("LE", address); | |
2440 | MultiRight = tgetstr ("RI", address); | |
2441 | ||
e7f90eab GM |
2442 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
2443 | color because we can't switch back to the default foreground and | |
2444 | background. */ | |
a168702a | 2445 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 2446 | if (TS_orig_pair) |
a168702a | 2447 | { |
e7f90eab GM |
2448 | TS_set_foreground = tgetstr ("AF", address); |
2449 | TS_set_background = tgetstr ("AB", address); | |
2450 | if (!TS_set_foreground) | |
2451 | { | |
2452 | /* SVr4. */ | |
2453 | TS_set_foreground = tgetstr ("Sf", address); | |
2454 | TS_set_background = tgetstr ("Sb", address); | |
2455 | } | |
177c0ea7 | 2456 | |
e7f90eab GM |
2457 | TN_max_colors = tgetnum ("Co"); |
2458 | TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 2459 | |
4e6ba4a4 GM |
2460 | TN_no_color_video = tgetnum ("NC"); |
2461 | if (TN_no_color_video == -1) | |
2462 | TN_no_color_video = 0; | |
a168702a | 2463 | } |
a168702a | 2464 | |
ace28297 EZ |
2465 | tty_default_color_capabilities (1); |
2466 | ||
e4058338 KH |
2467 | MagicWrap = tgetflag ("xn"); |
2468 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
2469 | the former flag imply the latter. */ | |
2470 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 2471 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
2472 | TF_hazeltine = tgetflag ("hz"); |
2473 | must_write_spaces = tgetflag ("in"); | |
2474 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
2475 | TF_insmode_motion = tgetflag ("mi"); | |
2476 | TF_standout_motion = tgetflag ("ms"); | |
2477 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
2478 | TF_teleray = tgetflag ("xt"); |
2479 | ||
5c2c7893 JB |
2480 | term_get_fkeys (address); |
2481 | ||
ff11dfa1 | 2482 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
2483 | { |
2484 | int height, width; | |
2485 | get_frame_size (&width, &height); | |
9882535b KS |
2486 | FRAME_COLS (sf) = width; |
2487 | FRAME_LINES (sf) = height; | |
3b12ce12 RS |
2488 | } |
2489 | ||
9882535b KS |
2490 | if (FRAME_COLS (sf) <= 0) |
2491 | SET_FRAME_COLS (sf, tgetnum ("co")); | |
1efd8636 RS |
2492 | else |
2493 | /* Keep width and external_width consistent */ | |
9882535b KS |
2494 | SET_FRAME_COLS (sf, FRAME_COLS (sf)); |
2495 | if (FRAME_LINES (sf) <= 0) | |
2496 | FRAME_LINES (sf) = tgetnum ("li"); | |
177c0ea7 | 2497 | |
9882535b | 2498 | if (FRAME_LINES (sf) < 3 || FRAME_COLS (sf) < 3) |
e12c1054 | 2499 | fatal ("Screen size %dx%d is too small", |
9882535b | 2500 | FRAME_LINES (sf), FRAME_COLS (sf)); |
ee7a2de4 | 2501 | |
08a24c47 | 2502 | min_padding_speed = tgetnum ("pb"); |
08a24c47 JB |
2503 | TabWidth = tgetnum ("tw"); |
2504 | ||
2505 | #ifdef VMS | |
2506 | /* These capabilities commonly use ^J. | |
2507 | I don't know why, but sending them on VMS does not work; | |
2508 | it causes following spaces to be lost, sometimes. | |
2509 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
2510 | if (Down && Down[0] == '\n') | |
2511 | Down = 0; | |
2512 | #endif /* VMS */ | |
2513 | ||
2514 | if (!TS_bell) | |
2515 | TS_bell = "\07"; | |
2516 | ||
2517 | if (!TS_fwd_scroll) | |
2518 | TS_fwd_scroll = Down; | |
2519 | ||
2520 | PC = TS_pad_char ? *TS_pad_char : 0; | |
2521 | ||
2522 | if (TabWidth < 0) | |
2523 | TabWidth = 8; | |
177c0ea7 | 2524 | |
08a24c47 JB |
2525 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
2526 | and newer termcap doc does not seem to say there is a default. | |
2527 | if (!Wcm.cm_tab) | |
2528 | Wcm.cm_tab = "\t"; | |
2529 | */ | |
2530 | ||
54800acb MB |
2531 | /* We don't support standout modes that use `magic cookies', so |
2532 | turn off any that do. */ | |
2533 | if (TS_standout_mode && tgetnum ("sg") >= 0) | |
2534 | { | |
2535 | TS_standout_mode = 0; | |
2536 | TS_end_standout_mode = 0; | |
2537 | } | |
2538 | if (TS_enter_underline_mode && tgetnum ("ug") >= 0) | |
2539 | { | |
2540 | TS_enter_underline_mode = 0; | |
2541 | TS_exit_underline_mode = 0; | |
2542 | } | |
2543 | ||
2544 | /* If there's no standout mode, try to use underlining instead. */ | |
08a24c47 JB |
2545 | if (TS_standout_mode == 0) |
2546 | { | |
54800acb MB |
2547 | TS_standout_mode = TS_enter_underline_mode; |
2548 | TS_end_standout_mode = TS_exit_underline_mode; | |
08a24c47 JB |
2549 | } |
2550 | ||
afd359c4 RS |
2551 | /* If no `se' string, try using a `me' string instead. |
2552 | If that fails, we can't use standout mode at all. */ | |
2553 | if (TS_end_standout_mode == 0) | |
2554 | { | |
e4bfb3b6 | 2555 | char *s = tgetstr ("me", address); |
afd359c4 RS |
2556 | if (s != 0) |
2557 | TS_end_standout_mode = s; | |
2558 | else | |
2559 | TS_standout_mode = 0; | |
2560 | } | |
2561 | ||
08a24c47 JB |
2562 | if (TF_teleray) |
2563 | { | |
2564 | Wcm.cm_tab = 0; | |
54800acb MB |
2565 | /* We can't support standout mode, because it uses magic cookies. */ |
2566 | TS_standout_mode = 0; | |
08a24c47 JB |
2567 | /* But that means we cannot rely on ^M to go to column zero! */ |
2568 | CR = 0; | |
2569 | /* LF can't be trusted either -- can alter hpos */ | |
2570 | /* if move at column 0 thru a line with TS_standout_mode */ | |
2571 | Down = 0; | |
2572 | } | |
2573 | ||
2574 | /* Special handling for certain terminal types known to need it */ | |
2575 | ||
2576 | if (!strcmp (terminal_type, "supdup")) | |
2577 | { | |
ff11dfa1 | 2578 | memory_below_frame = 1; |
08a24c47 JB |
2579 | Wcm.cm_losewrap = 1; |
2580 | } | |
2581 | if (!strncmp (terminal_type, "c10", 3) | |
2582 | || !strcmp (terminal_type, "perq")) | |
2583 | { | |
2584 | /* Supply a makeshift :wi string. | |
2585 | This string is not valid in general since it works only | |
2586 | for windows starting at the upper left corner; | |
2587 | but that is all Emacs uses. | |
2588 | ||
ff11dfa1 | 2589 | This string works only if the frame is using |
08a24c47 JB |
2590 | the top of the video memory, because addressing is memory-relative. |
2591 | So first check the :ti string to see if that is true. | |
2592 | ||
2593 | It would be simpler if the :wi string could go in the termcap | |
2594 | entry, but it can't because it is not fully valid. | |
2595 | If it were in the termcap entry, it would confuse other programs. */ | |
2596 | if (!TS_set_window) | |
2597 | { | |
2598 | p = TS_termcap_modes; | |
2599 | while (*p && strcmp (p, "\033v ")) | |
2600 | p++; | |
2601 | if (*p) | |
2602 | TS_set_window = "\033v%C %C %C %C "; | |
2603 | } | |
2604 | /* Termcap entry often fails to have :in: flag */ | |
2605 | must_write_spaces = 1; | |
2606 | /* :ti string typically fails to have \E^G! in it */ | |
2607 | /* This limits scope of insert-char to one line. */ | |
2608 | strcpy (area, TS_termcap_modes); | |
2609 | strcat (area, "\033\007!"); | |
2610 | TS_termcap_modes = area; | |
2611 | area += strlen (area) + 1; | |
2612 | p = AbsPosition; | |
2613 | /* Change all %+ parameters to %C, to handle | |
2614 | values above 96 correctly for the C100. */ | |
2615 | while (*p) | |
2616 | { | |
2617 | if (p[0] == '%' && p[1] == '+') | |
2618 | p[1] = 'C'; | |
2619 | p++; | |
2620 | } | |
2621 | } | |
2622 | ||
9882535b KS |
2623 | FrameRows = FRAME_LINES (sf); |
2624 | FrameCols = FRAME_COLS (sf); | |
2625 | specified_window = FRAME_LINES (sf); | |
08a24c47 JB |
2626 | |
2627 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
2628 | #ifdef VMS | |
2629 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2630 | It lacks the ability to position the cursor.\n\ | |
2631 | If that is not the actual type of terminal you have, use either the\n\ | |
2632 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 2633 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 2634 | terminal_type); |
37dad45a RS |
2635 | #else /* not VMS */ |
2636 | # ifdef TERMINFO | |
2637 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
2638 | It lacks the ability to position the cursor.\n\ | |
2639 | If that is not the actual type of terminal you have,\n\ | |
2640 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
2641 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2642 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
2643 | terminal_type); |
2644 | # else /* TERMCAP */ | |
08a24c47 JB |
2645 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
2646 | It lacks the ability to position the cursor.\n\ | |
2647 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
2648 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
2649 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 2650 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 2651 | terminal_type); |
37dad45a RS |
2652 | # endif /* TERMINFO */ |
2653 | #endif /*VMS */ | |
9882535b KS |
2654 | if (FRAME_LINES (sf) <= 0 |
2655 | || FRAME_COLS (sf) <= 0) | |
e12c1054 | 2656 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
2657 | |
2658 | delete_in_insert_mode | |
2659 | = TS_delete_mode && TS_insert_mode | |
2660 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
2661 | ||
2662 | se_is_so = (TS_standout_mode | |
2663 | && TS_end_standout_mode | |
2664 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
2665 | ||
08a24c47 JB |
2666 | UseTabs = tabs_safe_p () && TabWidth == 8; |
2667 | ||
2668 | scroll_region_ok | |
2669 | = (Wcm.cm_abs | |
2670 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
2671 | ||
2672 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
2673 | && (TS_del_line || TS_del_multi_lines)) | |
2674 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
2675 | ||
2676 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
2677 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
2678 | && (TS_del_char || TS_del_multi_chars)); | |
2679 | ||
2680 | fast_clear_end_of_line = TS_clr_line != 0; | |
2681 | ||
2682 | init_baud_rate (); | |
2683 | if (read_socket_hook) /* Baudrate is somewhat */ | |
2684 | /* meaningless in this case */ | |
2685 | baud_rate = 9600; | |
20a558dc | 2686 | |
e52f4e08 GM |
2687 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
2688 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 2689 | #endif /* WINDOWSNT */ |
3a06a6d9 RS |
2690 | |
2691 | xfree (buffer); | |
08a24c47 JB |
2692 | } |
2693 | ||
2694 | /* VARARGS 1 */ | |
dfcf069d | 2695 | void |
08a24c47 | 2696 | fatal (str, arg1, arg2) |
4746118a | 2697 | char *str, *arg1, *arg2; |
08a24c47 JB |
2698 | { |
2699 | fprintf (stderr, "emacs: "); | |
2700 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 2701 | fprintf (stderr, "\n"); |
08a24c47 JB |
2702 | fflush (stderr); |
2703 | exit (1); | |
2704 | } | |
07c57952 | 2705 | |
072d84a6 RS |
2706 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 0, 0, |
2707 | doc: /* Declare that this terminal does not handle underlining. | |
2708 | This is used to override the terminfo data, for certain terminals that | |
2709 | do not really do underlining, but say that they do. */) | |
2710 | () | |
2711 | { | |
2712 | TS_enter_underline_mode = 0; | |
2713 | return Qnil; | |
2714 | } | |
2715 | ||
dfcf069d | 2716 | void |
07c57952 KH |
2717 | syms_of_term () |
2718 | { | |
7ee72033 MB |
2719 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
2720 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 2721 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
2722 | #ifdef TERMINFO |
2723 | system_uses_terminfo = 1; | |
2724 | #else | |
2725 | system_uses_terminfo = 0; | |
2726 | #endif | |
c291d9ef | 2727 | |
7ee72033 MB |
2728 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, |
2729 | doc: /* Non-nil means call this function to ring the bell. | |
228299fa | 2730 | The function should accept no arguments. */); |
c291d9ef | 2731 | Vring_bell_function = Qnil; |
a168702a GM |
2732 | |
2733 | defsubr (&Stty_display_color_p); | |
bfa62f96 | 2734 | defsubr (&Stty_display_color_cells); |
072d84a6 | 2735 | defsubr (&Stty_no_underline); |
07c57952 | 2736 | } |
a168702a | 2737 | |
ab5796a9 MB |
2738 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
2739 | (do not change this comment) */ |