Commit | Line | Data |
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08a24c47 | 1 | /* terminal control module for terminals described by TERMCAP |
f8c25f1b | 2 | Copyright (C) 1985, 86, 87, 93, 94, 95 Free Software Foundation, Inc. |
08a24c47 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
4746118a | 8 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
08a24c47 JB |
20 | |
21 | ||
565620a5 | 22 | #include <config.h> |
08a24c47 JB |
23 | #include <stdio.h> |
24 | #include <ctype.h> | |
08a24c47 JB |
25 | #include "termchar.h" |
26 | #include "termopts.h" | |
27 | #include "cm.h" | |
28 | #undef NULL | |
29 | #include "lisp.h" | |
ff11dfa1 | 30 | #include "frame.h" |
08a24c47 JB |
31 | #include "disptab.h" |
32 | #include "termhooks.h" | |
5c2c7893 | 33 | #include "keyboard.h" |
08a24c47 | 34 | |
c8951b18 KH |
35 | extern Lisp_Object Fmake_sparse_keymap (); |
36 | ||
08a24c47 JB |
37 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
38 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
39 | ||
ff11dfa1 | 40 | #define OUTPUT(a) tputs (a, FRAME_HEIGHT (selected_frame) - curY, cmputc) |
08a24c47 JB |
41 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
42 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
ff11dfa1 | 43 | #define OUTPUT_IF(a) { if (a) tputs (a, FRAME_HEIGHT (selected_frame) - curY, cmputc); } |
08a24c47 JB |
44 | #define OUTPUT1_IF(a) { if (a) tputs (a, 1, cmputc); } |
45 | ||
eb8c3be9 | 46 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
47 | These are all extern'd in termchar.h */ |
48 | ||
08a24c47 JB |
49 | int must_write_spaces; /* Nonzero means spaces in the text |
50 | must actually be output; can't just skip | |
51 | over some columns to leave them blank. */ | |
52 | int min_padding_speed; /* Speed below which no padding necessary */ | |
53 | ||
54 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
55 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
56 | int scroll_region_ok; /* Terminal supports setting the | |
57 | scroll window */ | |
be7cd44f RS |
58 | int scroll_region_cost; /* Cost of setting a scroll window, |
59 | measured in characters */ | |
ff11dfa1 | 60 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
61 | scrolled off bottom */ |
62 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
63 | ||
ff11dfa1 | 64 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
65 | a suspended Emacs. This is useful on terminals with multiple pages, |
66 | where one page is used for Emacs and another for all else. */ | |
67 | int no_redraw_on_reenter; | |
68 | ||
69 | /* Hook functions that you can set to snap out the functions in this file. | |
70 | These are all extern'd in termhooks.h */ | |
71 | ||
72 | int (*cursor_to_hook) (); | |
73 | int (*raw_cursor_to_hook) (); | |
74 | ||
75 | int (*clear_to_end_hook) (); | |
ff11dfa1 | 76 | int (*clear_frame_hook) (); |
08a24c47 JB |
77 | int (*clear_end_of_line_hook) (); |
78 | ||
79 | int (*ins_del_lines_hook) (); | |
80 | ||
81 | int (*change_line_highlight_hook) (); | |
82 | int (*reassert_line_highlight_hook) (); | |
83 | ||
84 | int (*insert_glyphs_hook) (); | |
85 | int (*write_glyphs_hook) (); | |
86 | int (*delete_glyphs_hook) (); | |
87 | ||
88 | int (*ring_bell_hook) (); | |
89 | ||
90 | int (*reset_terminal_modes_hook) (); | |
91 | int (*set_terminal_modes_hook) (); | |
92 | int (*update_begin_hook) (); | |
93 | int (*update_end_hook) (); | |
94 | int (*set_terminal_window_hook) (); | |
95 | ||
96 | int (*read_socket_hook) (); | |
97 | ||
55cc089c RS |
98 | int (*frame_up_to_date_hook) (); |
99 | ||
20a558dc | 100 | /* Return the current position of the mouse. |
371fbaeb JB |
101 | |
102 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
103 | Emacs frame. If it is set to zero, all the other arguments are | |
104 | garbage. | |
105 | ||
a3c87d4e JB |
106 | If the motion started in a scroll bar, set *bar_window to the |
107 | scroll bar's window, *part to the part the mouse is currently over, | |
108 | *x to the position of the mouse along the scroll bar, and *y to the | |
109 | overall length of the scroll bar. | |
371fbaeb JB |
110 | |
111 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
112 | row of the character cell the mouse is over. | |
113 | ||
114 | Set *time to the time the mouse was at the returned position. | |
115 | ||
116 | This should clear mouse_moved until the next motion | |
117 | event arrives. */ | |
7357a681 | 118 | void (*mouse_position_hook) ( /* FRAME_PTR *f, int insist, |
371fbaeb | 119 | Lisp_Object *bar_window, |
a3c87d4e | 120 | enum scroll_bar_part *part, |
20a558dc JB |
121 | Lisp_Object *x, |
122 | Lisp_Object *y, | |
123 | unsigned long *time */ ); | |
08a24c47 | 124 | |
ff11dfa1 JB |
125 | /* When reading from a minibuffer in a different frame, Emacs wants |
126 | to shift the highlight from the selected frame to the minibuffer's | |
127 | frame; under X, this means it lies about where the focus is. | |
2e146aa4 JB |
128 | This hook tells the window system code to re-decide where to put |
129 | the highlight. */ | |
ff11dfa1 | 130 | void (*frame_rehighlight_hook) ( /* FRAME_PTR f */ ); |
2e146aa4 | 131 | |
dbc4e1c1 JB |
132 | /* If we're displaying frames using a window system that can stack |
133 | frames on top of each other, this hook allows you to bring a frame | |
134 | to the front, or bury it behind all the other windows. If this | |
135 | hook is zero, that means the device we're displaying on doesn't | |
136 | support overlapping frames, so there's no need to raise or lower | |
137 | anything. | |
138 | ||
139 | If RAISE is non-zero, F is brought to the front, before all other | |
140 | windows. If RAISE is zero, F is sent to the back, behind all other | |
141 | windows. */ | |
142 | void (*frame_raise_lower_hook) ( /* FRAME_PTR f, int raise */ ); | |
143 | ||
a3c87d4e | 144 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
145 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
146 | indicate that we are displaying PORTION characters out of a total | |
147 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e JB |
148 | have a scroll bar, create one for it. */ |
149 | void (*set_vertical_scroll_bar_hook) | |
371fbaeb | 150 | ( /* struct window *window, |
20a558dc JB |
151 | int portion, int whole, int position */ ); |
152 | ||
371fbaeb | 153 | |
20a558dc | 154 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 155 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
156 | are going to be deleted, because keeping track of when windows go |
157 | away is a real pain - can you say set-window-configuration? | |
158 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 159 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 160 | fiery pit when we actually redisplay their window. */ |
20a558dc | 161 | |
a3c87d4e JB |
162 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
163 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
164 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. | |
20a558dc | 165 | |
371fbaeb | 166 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
167 | redisplayed, even if it is not displaying scroll bars at the moment; |
168 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
169 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
170 | |
171 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 172 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 173 | currently displaying them. */ |
a3c87d4e | 174 | void (*condemn_scroll_bars_hook)( /* FRAME_PTR *frame */ ); |
371fbaeb | 175 | |
a3c87d4e JB |
176 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
177 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
178 | void (*redeem_scroll_bar_hook)( /* struct window *window */ ); | |
20a558dc | 179 | |
a3c87d4e JB |
180 | /* Remove all scroll bars on FRAME that haven't been saved since the |
181 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 182 | |
371fbaeb | 183 | This should be applied to each frame after each time its window |
a3c87d4e JB |
184 | tree is redisplayed, even if it is not displaying scroll bars at the |
185 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
186 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
187 | |
188 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 189 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 190 | currently displaying them. */ |
a3c87d4e | 191 | void (*judge_scroll_bars_hook)( /* FRAME_PTR *FRAME */ ); |
20a558dc JB |
192 | |
193 | ||
08a24c47 JB |
194 | /* Strings, numbers and flags taken from the termcap entry. */ |
195 | ||
196 | char *TS_ins_line; /* termcap "al" */ | |
197 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ | |
198 | char *TS_bell; /* "bl" */ | |
199 | char *TS_clr_to_bottom; /* "cd" */ | |
200 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 201 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
202 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
203 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
204 | lines above scroll region, lines below it, | |
205 | total lines again) */ | |
206 | char *TS_del_char; /* "dc" */ | |
207 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
208 | char *TS_del_line; /* "dl" */ | |
209 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
210 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
211 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
212 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
213 | char *TS_ins_char; /* "ic" */ | |
214 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
215 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
216 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
217 | char *TS_end_keypad_mode; /* "ke" */ | |
218 | char *TS_keypad_mode; /* "ks" */ | |
219 | char *TS_pad_char; /* "pc", char to use as padding */ | |
220 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
221 | and character to be repeated) */ | |
222 | char *TS_end_standout_mode; /* "se" */ | |
223 | char *TS_fwd_scroll; /* "sf" */ | |
224 | char *TS_standout_mode; /* "so" */ | |
225 | char *TS_rev_scroll; /* "sr" */ | |
226 | char *TS_end_termcap_modes; /* "te" */ | |
227 | char *TS_termcap_modes; /* "ti" */ | |
228 | char *TS_visible_bell; /* "vb" */ | |
229 | char *TS_end_visual_mode; /* "ve" */ | |
230 | char *TS_visual_mode; /* "vi" */ | |
231 | char *TS_set_window; /* "wi" (4 params, start and end of window, | |
232 | each as vpos and hpos) */ | |
233 | ||
234 | int TF_hazeltine; /* termcap hz flag. */ | |
235 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
236 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
237 | int TF_underscore; /* termcap ul flag: _ underlines if overstruck on | |
238 | nonblank position. Must clear before writing _. */ | |
239 | int TF_teleray; /* termcap xt flag: many weird consequences. | |
240 | For t1061. */ | |
241 | ||
242 | int TF_xs; /* Nonzero for "xs". If set together with | |
243 | TN_standout_width == 0, it means don't bother | |
244 | to write any end-standout cookies. */ | |
245 | ||
246 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
247 | markers */ | |
248 | ||
249 | static int RPov; /* # chars to start a TS_repeat */ | |
250 | ||
251 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
252 | ||
253 | static int se_is_so; /* 1 if same string both enters and leaves | |
254 | standout mode */ | |
255 | ||
256 | /* internal state */ | |
257 | ||
8dd0c7cb RS |
258 | /* The largest frame width in any call to calculate_costs. */ |
259 | int max_frame_width; | |
260 | /* The largest frame height in any call to calculate_costs. */ | |
261 | int max_frame_height; | |
262 | ||
08a24c47 JB |
263 | /* Number of chars of space used for standout marker at beginning of line, |
264 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 265 | The length of these vectors is max_frame_height. |
08a24c47 JB |
266 | |
267 | Used IFF TN_standout_width >= 0. */ | |
268 | ||
269 | static char *chars_wasted; | |
270 | static char *copybuf; | |
271 | ||
272 | /* nonzero means supposed to write text in standout mode. */ | |
273 | int standout_requested; | |
274 | ||
275 | int insert_mode; /* Nonzero when in insert mode. */ | |
276 | int standout_mode; /* Nonzero when in standout mode. */ | |
277 | ||
278 | /* Size of window specified by higher levels. | |
ff11dfa1 | 279 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
280 | which can participate in insert-line/delete-line operations. |
281 | ||
ff11dfa1 | 282 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
283 | lines from those operations. */ |
284 | ||
285 | int specified_window; | |
286 | ||
ff11dfa1 | 287 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
288 | (Direct output does not count). */ |
289 | ||
ff11dfa1 | 290 | FRAME_PTR updating_frame; |
08a24c47 | 291 | |
07c57952 KH |
292 | /* Provided for lisp packages. */ |
293 | static int system_uses_terminfo; | |
294 | ||
08a24c47 | 295 | char *tparam (); |
e4bfb3b6 RS |
296 | |
297 | extern char *tgetstr (); | |
08a24c47 | 298 | \f |
cb28b9c2 RS |
299 | |
300 | #ifdef WINDOWSNT | |
301 | /* We aren't X windows, but we aren't termcap either. This makes me | |
302 | uncertain as to what value to use for frame.output_method. For | |
303 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
304 | output hooks get called instead of the termcap functions. Probably | |
305 | the best long-term solution is to define an output_windows_nt... */ | |
306 | ||
307 | #undef FRAME_TERMCAP_P | |
308 | #define FRAME_TERMCAP_P(_f_) 0 | |
309 | #endif /* WINDOWSNT */ | |
310 | ||
08a24c47 JB |
311 | ring_bell () |
312 | { | |
1820044b | 313 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
314 | { |
315 | (*ring_bell_hook) (); | |
316 | return; | |
317 | } | |
318 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
319 | } | |
320 | ||
321 | set_terminal_modes () | |
322 | { | |
1820044b | 323 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
324 | { |
325 | (*set_terminal_modes_hook) (); | |
326 | return; | |
327 | } | |
328 | OUTPUT_IF (TS_termcap_modes); | |
329 | OUTPUT_IF (TS_visual_mode); | |
330 | OUTPUT_IF (TS_keypad_mode); | |
331 | losecursor (); | |
332 | } | |
333 | ||
334 | reset_terminal_modes () | |
335 | { | |
1820044b | 336 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
337 | { |
338 | (*reset_terminal_modes_hook) (); | |
339 | return; | |
340 | } | |
341 | if (TN_standout_width < 0) | |
342 | turn_off_highlight (); | |
343 | turn_off_insert (); | |
344 | OUTPUT_IF (TS_end_keypad_mode); | |
345 | OUTPUT_IF (TS_end_visual_mode); | |
346 | OUTPUT_IF (TS_end_termcap_modes); | |
347 | /* Output raw CR so kernel can track the cursor hpos. */ | |
348 | /* But on magic-cookie terminals this can erase an end-standout marker and | |
ff11dfa1 | 349 | cause the rest of the frame to be in standout, so move down first. */ |
08a24c47 JB |
350 | if (TN_standout_width >= 0) |
351 | cmputc ('\n'); | |
352 | cmputc ('\r'); | |
353 | } | |
354 | ||
ff11dfa1 JB |
355 | update_begin (f) |
356 | FRAME_PTR f; | |
08a24c47 | 357 | { |
ff11dfa1 | 358 | updating_frame = f; |
1820044b | 359 | if (! FRAME_TERMCAP_P (updating_frame)) |
ff11dfa1 | 360 | (*update_begin_hook) (f); |
08a24c47 JB |
361 | } |
362 | ||
ff11dfa1 JB |
363 | update_end (f) |
364 | FRAME_PTR f; | |
08a24c47 | 365 | { |
1820044b | 366 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 367 | { |
7a8e3e30 | 368 | (*update_end_hook) (f); |
cc4ee3c7 | 369 | updating_frame = 0; |
08a24c47 JB |
370 | return; |
371 | } | |
372 | turn_off_insert (); | |
373 | background_highlight (); | |
374 | standout_requested = 0; | |
ff11dfa1 | 375 | updating_frame = 0; |
08a24c47 JB |
376 | } |
377 | ||
378 | set_terminal_window (size) | |
379 | int size; | |
380 | { | |
1820044b | 381 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
382 | { |
383 | (*set_terminal_window_hook) (size); | |
384 | return; | |
385 | } | |
ff11dfa1 | 386 | specified_window = size ? size : FRAME_HEIGHT (selected_frame); |
08a24c47 JB |
387 | if (!scroll_region_ok) |
388 | return; | |
389 | set_scroll_region (0, specified_window); | |
390 | } | |
391 | ||
392 | set_scroll_region (start, stop) | |
393 | int start, stop; | |
394 | { | |
395 | char *buf; | |
396 | if (TS_set_scroll_region) | |
397 | { | |
398 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); | |
399 | } | |
400 | else if (TS_set_scroll_region_1) | |
401 | { | |
402 | buf = tparam (TS_set_scroll_region_1, 0, 0, | |
ff11dfa1 JB |
403 | FRAME_HEIGHT (selected_frame), start, |
404 | FRAME_HEIGHT (selected_frame) - stop, | |
405 | FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
406 | } |
407 | else | |
408 | { | |
ff11dfa1 | 409 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
410 | } |
411 | OUTPUT (buf); | |
9ac0d9e0 | 412 | xfree (buf); |
08a24c47 JB |
413 | losecursor (); |
414 | } | |
415 | \f | |
416 | turn_on_insert () | |
417 | { | |
418 | if (!insert_mode) | |
419 | OUTPUT (TS_insert_mode); | |
420 | insert_mode = 1; | |
421 | } | |
422 | ||
423 | turn_off_insert () | |
424 | { | |
425 | if (insert_mode) | |
426 | OUTPUT (TS_end_insert_mode); | |
427 | insert_mode = 0; | |
428 | } | |
429 | \f | |
430 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
431 | In these terminals, output is affected by the value of standout | |
432 | mode when the output is written. | |
433 | ||
434 | These functions are called on all terminals, but do nothing | |
435 | on terminals whose standout mode does not work that way. */ | |
436 | ||
437 | turn_off_highlight () | |
438 | { | |
439 | if (TN_standout_width < 0) | |
440 | { | |
441 | if (standout_mode) | |
442 | OUTPUT_IF (TS_end_standout_mode); | |
443 | standout_mode = 0; | |
444 | } | |
445 | } | |
446 | ||
447 | turn_on_highlight () | |
448 | { | |
449 | if (TN_standout_width < 0) | |
450 | { | |
451 | if (!standout_mode) | |
452 | OUTPUT_IF (TS_standout_mode); | |
453 | standout_mode = 1; | |
454 | } | |
455 | } | |
456 | ||
457 | /* Set standout mode to the state it should be in for | |
458 | empty space inside windows. What this is, | |
459 | depends on the user option inverse-video. */ | |
460 | ||
461 | background_highlight () | |
462 | { | |
463 | if (TN_standout_width >= 0) | |
464 | return; | |
465 | if (inverse_video) | |
466 | turn_on_highlight (); | |
467 | else | |
468 | turn_off_highlight (); | |
469 | } | |
470 | ||
471 | /* Set standout mode to the mode specified for the text to be output. */ | |
472 | ||
473 | static | |
474 | highlight_if_desired () | |
475 | { | |
476 | if (TN_standout_width >= 0) | |
477 | return; | |
478 | if (!inverse_video == !standout_requested) | |
479 | turn_off_highlight (); | |
480 | else | |
481 | turn_on_highlight (); | |
482 | } | |
483 | \f | |
484 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
485 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 486 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
487 | that the marker occupies in memory. Standout runs from the marker |
488 | to the end of the line on some terminals, or to the next | |
489 | turn-off-standout marker (TS_end_standout_mode) string | |
490 | on other terminals. */ | |
491 | ||
492 | /* Write a standout marker or end-standout marker at the front of the line | |
493 | at vertical position vpos. */ | |
494 | ||
495 | write_standout_marker (flag, vpos) | |
496 | int flag, vpos; | |
497 | { | |
498 | if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
499 | && !(TF_xs && TN_standout_width == 0))) | |
500 | { | |
501 | cmgoto (vpos, 0); | |
502 | cmplus (TN_standout_width); | |
503 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
504 | chars_wasted[curY] = TN_standout_width | 0100; | |
505 | } | |
506 | } | |
507 | \f | |
508 | /* External interface to control of standout mode. | |
509 | Call this when about to modify line at position VPOS | |
510 | and not change whether it is highlighted. */ | |
511 | ||
512 | reassert_line_highlight (highlight, vpos) | |
513 | int highlight; | |
514 | int vpos; | |
515 | { | |
1820044b | 516 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
517 | { |
518 | (*reassert_line_highlight_hook) (highlight, vpos); | |
519 | return; | |
520 | } | |
521 | if (TN_standout_width < 0) | |
522 | /* Handle terminals where standout takes affect at output time */ | |
523 | standout_requested = highlight; | |
524 | else if (chars_wasted[vpos] == 0) | |
525 | /* For terminals with standout markers, write one on this line | |
526 | if there isn't one already. */ | |
527 | write_standout_marker (highlight, vpos); | |
528 | } | |
529 | ||
530 | /* Call this when about to modify line at position VPOS | |
531 | and change whether it is highlighted. */ | |
532 | ||
533 | change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
534 | int new_highlight, vpos, first_unused_hpos; | |
535 | { | |
536 | standout_requested = new_highlight; | |
1820044b | 537 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
538 | { |
539 | (*change_line_highlight_hook) (new_highlight, vpos, first_unused_hpos); | |
540 | return; | |
541 | } | |
542 | ||
543 | cursor_to (vpos, 0); | |
544 | ||
545 | if (TN_standout_width < 0) | |
546 | background_highlight (); | |
547 | /* If line starts with a marker, delete the marker */ | |
548 | else if (TS_clr_line && chars_wasted[curY]) | |
549 | { | |
550 | turn_off_insert (); | |
551 | /* On Teleray, make sure to erase the SO marker. */ | |
552 | if (TF_teleray) | |
553 | { | |
ff11dfa1 | 554 | cmgoto (curY - 1, FRAME_WIDTH (selected_frame) - 4); |
08a24c47 JB |
555 | OUTPUT ("\033S"); |
556 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
557 | curX = 0; | |
558 | } | |
559 | else | |
560 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
561 | } | |
562 | clear_end_of_line_raw (first_unused_hpos); | |
563 | reassert_line_highlight (new_highlight, curY); | |
564 | } | |
565 | \f | |
566 | ||
567 | /* Move to absolute position, specified origin 0 */ | |
568 | ||
569 | cursor_to (row, col) | |
4746118a | 570 | int row, col; |
08a24c47 | 571 | { |
1820044b | 572 | if (! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
573 | ? updating_frame |
574 | : selected_frame)) | |
08a24c47 JB |
575 | && cursor_to_hook) |
576 | { | |
577 | (*cursor_to_hook) (row, col); | |
578 | return; | |
579 | } | |
580 | ||
36cae867 KH |
581 | /* Detect the case where we are called from reset_sys_modes |
582 | and the costs have never been calculated. Do nothing. */ | |
583 | if (chars_wasted == 0) | |
584 | return; | |
585 | ||
08a24c47 JB |
586 | col += chars_wasted[row] & 077; |
587 | if (curY == row && curX == col) | |
588 | return; | |
589 | if (!TF_standout_motion) | |
590 | background_highlight (); | |
591 | if (!TF_insmode_motion) | |
592 | turn_off_insert (); | |
593 | cmgoto (row, col); | |
594 | } | |
595 | ||
596 | /* Similar but don't take any account of the wasted characters. */ | |
597 | ||
598 | raw_cursor_to (row, col) | |
4746118a | 599 | int row, col; |
08a24c47 | 600 | { |
1820044b | 601 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
602 | { |
603 | (*raw_cursor_to_hook) (row, col); | |
604 | return; | |
605 | } | |
606 | if (curY == row && curX == col) | |
607 | return; | |
608 | if (!TF_standout_motion) | |
609 | background_highlight (); | |
610 | if (!TF_insmode_motion) | |
611 | turn_off_insert (); | |
612 | cmgoto (row, col); | |
613 | } | |
614 | \f | |
615 | /* Erase operations */ | |
616 | ||
ff11dfa1 | 617 | /* clear from cursor to end of frame */ |
08a24c47 JB |
618 | clear_to_end () |
619 | { | |
620 | register int i; | |
621 | ||
759d9005 | 622 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
623 | { |
624 | (*clear_to_end_hook) (); | |
625 | return; | |
626 | } | |
627 | if (TS_clr_to_bottom) | |
628 | { | |
629 | background_highlight (); | |
630 | OUTPUT (TS_clr_to_bottom); | |
ff11dfa1 | 631 | bzero (chars_wasted + curY, FRAME_HEIGHT (selected_frame) - curY); |
08a24c47 JB |
632 | } |
633 | else | |
634 | { | |
ff11dfa1 | 635 | for (i = curY; i < FRAME_HEIGHT (selected_frame); i++) |
08a24c47 JB |
636 | { |
637 | cursor_to (i, 0); | |
ff11dfa1 | 638 | clear_end_of_line_raw (FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
639 | } |
640 | } | |
641 | } | |
642 | ||
ff11dfa1 | 643 | /* Clear entire frame */ |
08a24c47 | 644 | |
ff11dfa1 | 645 | clear_frame () |
08a24c47 | 646 | { |
ff11dfa1 | 647 | if (clear_frame_hook |
1820044b | 648 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 | 649 | { |
ff11dfa1 | 650 | (*clear_frame_hook) (); |
08a24c47 JB |
651 | return; |
652 | } | |
ff11dfa1 | 653 | if (TS_clr_frame) |
08a24c47 JB |
654 | { |
655 | background_highlight (); | |
ff11dfa1 JB |
656 | OUTPUT (TS_clr_frame); |
657 | bzero (chars_wasted, FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
658 | cmat (0, 0); |
659 | } | |
660 | else | |
661 | { | |
662 | cursor_to (0, 0); | |
663 | clear_to_end (); | |
664 | } | |
665 | } | |
666 | ||
667 | /* Clear to end of line, but do not clear any standout marker. | |
668 | Assumes that the cursor is positioned at a character of real text, | |
669 | which implies it cannot be before a standout marker | |
670 | unless the marker has zero width. | |
671 | ||
672 | Note that the cursor may be moved. */ | |
673 | ||
674 | clear_end_of_line (first_unused_hpos) | |
675 | int first_unused_hpos; | |
676 | { | |
a796ac82 | 677 | static GLYPH buf = SPACEGLYPH; |
1820044b | 678 | if (FRAME_TERMCAP_P (selected_frame) |
36cae867 | 679 | && chars_wasted != 0 |
08a24c47 | 680 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a796ac82 | 681 | write_glyphs (&buf, 1); |
08a24c47 JB |
682 | clear_end_of_line_raw (first_unused_hpos); |
683 | } | |
684 | ||
685 | /* Clear from cursor to end of line. | |
686 | Assume that the line is already clear starting at column first_unused_hpos. | |
687 | If the cursor is at a standout marker, erase the marker. | |
688 | ||
689 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
690 | ||
691 | clear_end_of_line_raw (first_unused_hpos) | |
692 | int first_unused_hpos; | |
693 | { | |
694 | register int i; | |
695 | ||
696 | if (clear_end_of_line_hook | |
1820044b | 697 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
698 | ? updating_frame |
699 | : selected_frame))) | |
08a24c47 JB |
700 | { |
701 | (*clear_end_of_line_hook) (first_unused_hpos); | |
702 | return; | |
703 | } | |
704 | ||
36cae867 KH |
705 | /* Detect the case where we are called from reset_sys_modes |
706 | and the costs have never been calculated. Do nothing. */ | |
707 | if (chars_wasted == 0) | |
708 | return; | |
709 | ||
08a24c47 JB |
710 | first_unused_hpos += chars_wasted[curY] & 077; |
711 | if (curX >= first_unused_hpos) | |
712 | return; | |
713 | /* Notice if we are erasing a magic cookie */ | |
714 | if (curX == 0) | |
715 | chars_wasted[curY] = 0; | |
716 | background_highlight (); | |
717 | if (TS_clr_line) | |
718 | { | |
719 | OUTPUT1 (TS_clr_line); | |
720 | } | |
721 | else | |
722 | { /* have to do it the hard way */ | |
723 | turn_off_insert (); | |
724 | ||
725 | /* Do not write in last row last col with Autowrap on. */ | |
ff11dfa1 JB |
726 | if (AutoWrap && curY == FRAME_HEIGHT (selected_frame) - 1 |
727 | && first_unused_hpos == FRAME_WIDTH (selected_frame)) | |
08a24c47 JB |
728 | first_unused_hpos--; |
729 | ||
730 | for (i = curX; i < first_unused_hpos; i++) | |
731 | { | |
732 | if (termscript) | |
733 | fputc (' ', termscript); | |
734 | putchar (' '); | |
735 | } | |
736 | cmplus (first_unused_hpos - curX); | |
737 | } | |
738 | } | |
739 | \f | |
740 | ||
741 | write_glyphs (string, len) | |
742 | register GLYPH *string; | |
743 | register int len; | |
744 | { | |
745 | register GLYPH g; | |
746 | register int tlen = GLYPH_TABLE_LENGTH; | |
747 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
748 | ||
749 | if (write_glyphs_hook | |
1820044b | 750 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
751 | { |
752 | (*write_glyphs_hook) (string, len); | |
753 | return; | |
754 | } | |
755 | ||
756 | highlight_if_desired (); | |
757 | turn_off_insert (); | |
758 | ||
759 | /* Don't dare write in last column of bottom line, if AutoWrap, | |
ff11dfa1 | 760 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
761 | |
762 | if (AutoWrap | |
ff11dfa1 | 763 | && curY + 1 == FRAME_HEIGHT (selected_frame) |
08a24c47 | 764 | && (curX + len - (chars_wasted[curY] & 077) |
ff11dfa1 | 765 | == FRAME_WIDTH (selected_frame))) |
08a24c47 JB |
766 | len --; |
767 | ||
768 | cmplus (len); | |
769 | while (--len >= 0) | |
770 | { | |
771 | g = *string++; | |
772 | /* Check quickly for G beyond length of table. | |
773 | That implies it isn't an alias and is simple. */ | |
774 | if (g >= tlen) | |
775 | { | |
776 | simple: | |
777 | putc (g & 0xff, stdout); | |
778 | if (ferror (stdout)) | |
779 | clearerr (stdout); | |
780 | if (termscript) | |
781 | putc (g & 0xff, termscript); | |
782 | } | |
783 | else | |
784 | { | |
785 | /* G has an entry in Vglyph_table, | |
786 | so process any alias and then test for simpleness. */ | |
787 | while (GLYPH_ALIAS_P (tbase, tlen, g)) | |
788 | g = GLYPH_ALIAS (tbase, g); | |
789 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
790 | goto simple; | |
791 | else | |
792 | { | |
793 | /* Here if G (or its definition as an alias) is not simple. */ | |
794 | fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g), | |
795 | stdout); | |
796 | if (ferror (stdout)) | |
797 | clearerr (stdout); | |
798 | if (termscript) | |
799 | fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g), | |
800 | termscript); | |
801 | } | |
802 | } | |
803 | } | |
9a6b6f92 | 804 | cmcheckmagic (); |
08a24c47 JB |
805 | } |
806 | ||
807 | /* If start is zero, insert blanks instead of a string at start */ | |
808 | ||
809 | insert_glyphs (start, len) | |
810 | register GLYPH *start; | |
811 | register int len; | |
812 | { | |
813 | char *buf; | |
814 | register GLYPH g; | |
815 | register int tlen = GLYPH_TABLE_LENGTH; | |
816 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
817 | ||
1820044b | 818 | if (insert_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
819 | { |
820 | (*insert_glyphs_hook) (start, len); | |
821 | return; | |
822 | } | |
823 | highlight_if_desired (); | |
824 | ||
825 | if (TS_ins_multi_chars) | |
826 | { | |
827 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
828 | OUTPUT1 (buf); | |
9ac0d9e0 | 829 | xfree (buf); |
08a24c47 JB |
830 | if (start) |
831 | write_glyphs (start, len); | |
832 | return; | |
833 | } | |
834 | ||
835 | turn_on_insert (); | |
836 | cmplus (len); | |
837 | while (--len >= 0) | |
838 | { | |
839 | OUTPUT1_IF (TS_ins_char); | |
840 | if (!start) | |
841 | g = SPACEGLYPH; | |
842 | else | |
843 | g = *start++; | |
844 | ||
845 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
846 | { | |
847 | putc (g & 0xff, stdout); | |
848 | if (ferror (stdout)) | |
849 | clearerr (stdout); | |
850 | if (termscript) | |
851 | putc (g & 0xff, termscript); | |
852 | } | |
853 | else | |
854 | { | |
855 | fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g), stdout); | |
856 | if (ferror (stdout)) | |
857 | clearerr (stdout); | |
858 | if (termscript) | |
859 | fwrite (GLYPH_STRING (tbase, g), 1, GLYPH_LENGTH (tbase, g), | |
860 | termscript); | |
861 | } | |
862 | ||
9a6b6f92 KH |
863 | OUTPUT1_IF (TS_pad_inserted_char); |
864 | } | |
865 | cmcheckmagic (); | |
08a24c47 JB |
866 | } |
867 | ||
868 | delete_glyphs (n) | |
869 | register int n; | |
870 | { | |
871 | char *buf; | |
872 | register int i; | |
873 | ||
1820044b | 874 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
875 | { |
876 | (*delete_glyphs_hook) (n); | |
877 | return; | |
878 | } | |
879 | ||
880 | if (delete_in_insert_mode) | |
881 | { | |
882 | turn_on_insert (); | |
883 | } | |
884 | else | |
885 | { | |
886 | turn_off_insert (); | |
887 | OUTPUT_IF (TS_delete_mode); | |
888 | } | |
889 | ||
890 | if (TS_del_multi_chars) | |
891 | { | |
892 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
893 | OUTPUT1 (buf); | |
9ac0d9e0 | 894 | xfree (buf); |
08a24c47 JB |
895 | } |
896 | else | |
897 | for (i = 0; i < n; i++) | |
898 | OUTPUT1 (TS_del_char); | |
899 | if (!delete_in_insert_mode) | |
900 | OUTPUT_IF (TS_end_delete_mode); | |
901 | } | |
902 | \f | |
903 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
904 | ||
905 | ins_del_lines (vpos, n) | |
906 | int vpos, n; | |
907 | { | |
908 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
909 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
910 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
911 | ||
912 | register int i = n > 0 ? n : -n; | |
913 | register char *buf; | |
914 | ||
1820044b | 915 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
916 | { |
917 | (*ins_del_lines_hook) (vpos, n); | |
918 | return; | |
919 | } | |
920 | ||
921 | /* If the lines below the insertion are being pushed | |
922 | into the end of the window, this is the same as clearing; | |
923 | and we know the lines are already clear, since the matching | |
924 | deletion has already been done. So can ignore this. */ | |
925 | /* If the lines below the deletion are blank lines coming | |
926 | out of the end of the window, don't bother, | |
927 | as there will be a matching inslines later that will flush them. */ | |
928 | if (scroll_region_ok && vpos + i >= specified_window) | |
929 | return; | |
ff11dfa1 | 930 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (selected_frame)) |
08a24c47 JB |
931 | return; |
932 | ||
933 | if (multi) | |
934 | { | |
935 | raw_cursor_to (vpos, 0); | |
936 | background_highlight (); | |
937 | buf = tparam (multi, 0, 0, i); | |
938 | OUTPUT (buf); | |
9ac0d9e0 | 939 | xfree (buf); |
08a24c47 JB |
940 | } |
941 | else if (single) | |
942 | { | |
943 | raw_cursor_to (vpos, 0); | |
944 | background_highlight (); | |
945 | while (--i >= 0) | |
946 | OUTPUT (single); | |
947 | if (TF_teleray) | |
948 | curX = 0; | |
949 | } | |
950 | else | |
951 | { | |
952 | set_scroll_region (vpos, specified_window); | |
953 | if (n < 0) | |
954 | raw_cursor_to (specified_window - 1, 0); | |
955 | else | |
956 | raw_cursor_to (vpos, 0); | |
957 | background_highlight (); | |
958 | while (--i >= 0) | |
959 | OUTPUTL (scroll, specified_window - vpos); | |
960 | set_scroll_region (0, specified_window); | |
961 | } | |
962 | ||
963 | if (TN_standout_width >= 0) | |
964 | { | |
965 | register lower_limit | |
966 | = (scroll_region_ok | |
967 | ? specified_window | |
ff11dfa1 | 968 | : FRAME_HEIGHT (selected_frame)); |
08a24c47 JB |
969 | |
970 | if (n < 0) | |
971 | { | |
972 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
973 | lower_limit - vpos + n); | |
974 | bzero (&chars_wasted[lower_limit + n], - n); | |
975 | } | |
976 | else | |
977 | { | |
978 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
979 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
980 | lower_limit - vpos - n); | |
981 | bzero (&chars_wasted[vpos], n); | |
982 | } | |
983 | } | |
ff11dfa1 | 984 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 985 | { |
ff11dfa1 | 986 | cursor_to (FRAME_HEIGHT (selected_frame) + n, 0); |
08a24c47 JB |
987 | clear_to_end (); |
988 | } | |
989 | } | |
990 | \f | |
991 | /* Compute cost of sending "str", in characters, | |
992 | not counting any line-dependent padding. */ | |
993 | ||
994 | int | |
995 | string_cost (str) | |
996 | char *str; | |
997 | { | |
998 | cost = 0; | |
999 | if (str) | |
1000 | tputs (str, 0, evalcost); | |
1001 | return cost; | |
1002 | } | |
1003 | ||
1004 | /* Compute cost of sending "str", in characters, | |
1005 | counting any line-dependent padding at one line. */ | |
1006 | ||
1007 | static int | |
1008 | string_cost_one_line (str) | |
1009 | char *str; | |
1010 | { | |
1011 | cost = 0; | |
1012 | if (str) | |
1013 | tputs (str, 1, evalcost); | |
1014 | return cost; | |
1015 | } | |
1016 | ||
1017 | /* Compute per line amount of line-dependent padding, | |
1018 | in tenths of characters. */ | |
1019 | ||
1020 | int | |
1021 | per_line_cost (str) | |
1022 | register char *str; | |
1023 | { | |
1024 | cost = 0; | |
1025 | if (str) | |
1026 | tputs (str, 0, evalcost); | |
1027 | cost = - cost; | |
1028 | if (str) | |
1029 | tputs (str, 10, evalcost); | |
1030 | return cost; | |
1031 | } | |
1032 | ||
1033 | #ifndef old | |
1034 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1035 | char_ins_del_cost[-n] is cost of deleting N characters. |
1036 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1037 | |
1038 | int *char_ins_del_vector; | |
1039 | ||
ff11dfa1 | 1040 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1041 | #endif |
1042 | ||
1043 | /* ARGSUSED */ | |
1044 | static void | |
ff11dfa1 JB |
1045 | calculate_ins_del_char_costs (frame) |
1046 | FRAME_PTR frame; | |
08a24c47 JB |
1047 | { |
1048 | int ins_startup_cost, del_startup_cost; | |
1049 | int ins_cost_per_char, del_cost_per_char; | |
1050 | register int i; | |
1051 | register int *p; | |
1052 | ||
1053 | if (TS_ins_multi_chars) | |
1054 | { | |
1055 | ins_cost_per_char = 0; | |
1056 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1057 | } | |
1058 | else if (TS_ins_char || TS_pad_inserted_char | |
1059 | || (TS_insert_mode && TS_end_insert_mode)) | |
1060 | { | |
1061 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1062 | + string_cost (TS_end_insert_mode))) / 100; | |
1063 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1064 | + string_cost_one_line (TS_pad_inserted_char)); | |
1065 | } | |
1066 | else | |
1067 | { | |
1068 | ins_startup_cost = 9999; | |
1069 | ins_cost_per_char = 0; | |
1070 | } | |
1071 | ||
1072 | if (TS_del_multi_chars) | |
1073 | { | |
1074 | del_cost_per_char = 0; | |
1075 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1076 | } | |
1077 | else if (TS_del_char) | |
1078 | { | |
1079 | del_startup_cost = (string_cost (TS_delete_mode) | |
1080 | + string_cost (TS_end_delete_mode)); | |
1081 | if (delete_in_insert_mode) | |
1082 | del_startup_cost /= 2; | |
1083 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1084 | } | |
1085 | else | |
1086 | { | |
1087 | del_startup_cost = 9999; | |
1088 | del_cost_per_char = 0; | |
1089 | } | |
1090 | ||
1091 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1092 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1093 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1094 | *--p = (del_startup_cost += del_cost_per_char); |
1095 | ||
1096 | /* Doing nothing is free */ | |
ff11dfa1 | 1097 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1098 | *p++ = 0; |
1099 | ||
1100 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1101 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1102 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1103 | } | |
1104 | ||
a790fee2 JB |
1105 | extern do_line_insertion_deletion_costs (); |
1106 | ||
ff11dfa1 JB |
1107 | calculate_costs (frame) |
1108 | FRAME_PTR frame; | |
08a24c47 | 1109 | { |
9f732a77 RS |
1110 | register char *f = (TS_set_scroll_region |
1111 | ? TS_set_scroll_region | |
1112 | : TS_set_scroll_region_1); | |
08a24c47 | 1113 | |
9f732a77 | 1114 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1115 | |
be7cd44f | 1116 | scroll_region_cost = string_cost (f); |
08a24c47 | 1117 | #ifdef HAVE_X_WINDOWS |
1820044b | 1118 | if (FRAME_X_P (frame)) |
08a24c47 | 1119 | { |
ff11dfa1 | 1120 | do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*", |
7dac35c8 RS |
1121 | 0, 0, |
1122 | x_screen_planes (frame)); | |
be7cd44f | 1123 | scroll_region_cost = 0; |
08a24c47 JB |
1124 | return; |
1125 | } | |
1126 | #endif | |
1127 | ||
1128 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1129 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1130 | |
1131 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1132 | X turns off char_ins_del_ok. | |
1133 | ||
1134 | chars_wasted and copybuf are only used here in term.c in cases where | |
1135 | the term hook isn't called. */ | |
1136 | ||
8dd0c7cb RS |
1137 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1138 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1139 | ||
08a24c47 | 1140 | if (chars_wasted != 0) |
8dd0c7cb | 1141 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1142 | else |
8dd0c7cb | 1143 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1144 | |
1145 | if (copybuf != 0) | |
8dd0c7cb | 1146 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1147 | else |
8dd0c7cb | 1148 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1149 | |
1150 | if (char_ins_del_vector != 0) | |
1151 | char_ins_del_vector | |
1152 | = (int *) xrealloc (char_ins_del_vector, | |
1153 | (sizeof (int) | |
8dd0c7cb | 1154 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1155 | else |
1156 | char_ins_del_vector | |
1157 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1158 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1159 | |
8dd0c7cb RS |
1160 | bzero (chars_wasted, max_frame_height); |
1161 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1162 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1163 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1164 | |
ff11dfa1 JB |
1165 | if (f && (!TS_ins_line && !TS_del_line)) |
1166 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1167 | TS_rev_scroll, TS_ins_multi_lines, |
1168 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1169 | f, f, 1); |
08a24c47 | 1170 | else |
ff11dfa1 | 1171 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1172 | TS_ins_line, TS_ins_multi_lines, |
1173 | TS_del_line, TS_del_multi_lines, | |
1174 | 0, 0, 1); | |
1175 | ||
ff11dfa1 | 1176 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1177 | |
1178 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1179 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1180 | RPov = string_cost (TS_repeat); | |
1181 | else | |
ff11dfa1 | 1182 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1183 | |
1184 | cmcostinit (); /* set up cursor motion costs */ | |
1185 | } | |
1186 | \f | |
a796ac82 JB |
1187 | struct fkey_table { |
1188 | char *cap, *name; | |
1189 | }; | |
1190 | ||
01d8deb0 ER |
1191 | /* Termcap capability names that correspond directly to X keysyms. |
1192 | Some of these (marked "terminfo") aren't supplied by old-style | |
1193 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1194 | except we put the keypad keys first, so that if they clash with | |
1195 | other keys (as on the IBM PC keyboard) they get overridden. | |
1196 | */ | |
1197 | ||
a796ac82 | 1198 | static struct fkey_table keys[] = { |
01d8deb0 ER |
1199 | "kh", "home", /* termcap */ |
1200 | "kl", "left", /* termcap */ | |
1201 | "ku", "up", /* termcap */ | |
1202 | "kr", "right", /* termcap */ | |
1203 | "kd", "down", /* termcap */ | |
1204 | "%8", "prior", /* terminfo */ | |
1205 | "%5", "next", /* terminfo */ | |
1206 | "@7", "end", /* terminfo */ | |
1207 | "@1", "begin", /* terminfo */ | |
1208 | "*6", "select", /* terminfo */ | |
1209 | "%9", "print", /* terminfo */ | |
1210 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1211 | /* | |
1212 | * "insert" --- see below | |
1213 | */ | |
1214 | "&8", "undo", /* terminfo */ | |
1215 | "%0", "redo", /* terminfo */ | |
1216 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1217 | "@0", "find", /* terminfo */ | |
1218 | "@2", "cancel", /* terminfo */ | |
1219 | "%1", "help", /* terminfo */ | |
1220 | /* | |
1221 | * "break" goes here, but can't be reliably intercepted with termcap | |
1222 | */ | |
1223 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1224 | /* | |
1225 | * "system" and "user" --- no termcaps | |
1226 | */ | |
1227 | "kE", "clearline", /* terminfo */ | |
1228 | "kA", "insertline", /* terminfo */ | |
1229 | "kL", "deleteline", /* terminfo */ | |
1230 | "kI", "insertchar", /* terminfo */ | |
1231 | "kD", "deletechar", /* terminfo */ | |
1232 | "kB", "backtab", /* terminfo */ | |
1233 | /* | |
1234 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1235 | */ | |
1236 | "@8", "kp-enter", /* terminfo */ | |
1237 | /* | |
1238 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1239 | * "kp-multiply", "kp-add", "kp-separator", | |
1240 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1241 | * --- no termcaps for any of these. | |
1242 | */ | |
1243 | "K4", "kp-1", /* terminfo */ | |
1244 | /* | |
1245 | * "kp-2" --- no termcap | |
1246 | */ | |
1247 | "K5", "kp-3", /* terminfo */ | |
1248 | /* | |
1249 | * "kp-4" --- no termcap | |
1250 | */ | |
1251 | "K2", "kp-5", /* terminfo */ | |
1252 | /* | |
1253 | * "kp-6" --- no termcap | |
1254 | */ | |
1255 | "K1", "kp-7", /* terminfo */ | |
1256 | /* | |
1257 | * "kp-8" --- no termcap | |
1258 | */ | |
1259 | "K3", "kp-9", /* terminfo */ | |
1260 | /* | |
1261 | * "kp-equal" --- no termcap | |
1262 | */ | |
1263 | "k1", "f1", | |
1264 | "k2", "f2", | |
1265 | "k3", "f3", | |
1266 | "k4", "f4", | |
1267 | "k5", "f5", | |
1268 | "k6", "f6", | |
1269 | "k7", "f7", | |
1270 | "k8", "f8", | |
1271 | "k9", "f9", | |
a796ac82 JB |
1272 | }; |
1273 | ||
f2a00342 RM |
1274 | static char **term_get_fkeys_arg; |
1275 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1276 | |
01d8deb0 ER |
1277 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1278 | This function scans the termcap function key sequence entries, and | |
1279 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1280 | ||
5c2c7893 JB |
1281 | void |
1282 | term_get_fkeys (address) | |
1283 | char **address; | |
f2a00342 RM |
1284 | { |
1285 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1286 | errors during the call. The only errors should be from Fdefine_key | |
1287 | when given a key sequence containing an invalid prefix key. If the | |
1288 | termcap defines function keys which use a prefix that is already bound | |
1289 | to a command by the default bindings, we should silently ignore that | |
1290 | function key specification, rather than giving the user an error and | |
1291 | refusing to run at all on such a terminal. */ | |
1292 | ||
1293 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1294 | term_get_fkeys_arg = address; |
1295 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1296 | } | |
1297 | ||
1298 | static Lisp_Object | |
1299 | term_get_fkeys_1 () | |
5c2c7893 | 1300 | { |
5c2c7893 JB |
1301 | int i; |
1302 | ||
37085233 | 1303 | char **address = term_get_fkeys_arg; |
f778aff2 | 1304 | |
3e65092f RS |
1305 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1306 | if (!initialized) | |
1307 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1308 | ||
5c2c7893 JB |
1309 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1310 | { | |
1311 | char *sequence = tgetstr (keys[i].cap, address); | |
1312 | if (sequence) | |
f2a00342 RM |
1313 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1314 | Fmake_vector (make_number (1), | |
1315 | intern (keys[i].name))); | |
5c2c7893 | 1316 | } |
a796ac82 JB |
1317 | |
1318 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1319 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1320 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1321 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1322 | */ | |
1323 | { | |
1324 | char *k_semi = tgetstr ("k;", address); | |
1325 | char *k0 = tgetstr ("k0", address); | |
1326 | char *k0_name = "f10"; | |
1327 | ||
1328 | if (k_semi) | |
1329 | { | |
f2a00342 RM |
1330 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1331 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1332 | k0_name = "f0"; |
1333 | } | |
1334 | ||
1335 | if (k0) | |
f2a00342 RM |
1336 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1337 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1338 | } |
01d8deb0 ER |
1339 | |
1340 | /* Set up cookies for numbered function keys above f10. */ | |
1341 | { | |
1342 | char fcap[3], fkey[4]; | |
1343 | ||
fc4f24da | 1344 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1345 | for (i = 11; i < 64; i++) |
1346 | { | |
1347 | if (i <= 19) | |
1348 | fcap[1] = '1' + i - 11; | |
1349 | else if (i <= 45) | |
b59ab95c | 1350 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1351 | else |
b59ab95c | 1352 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1353 | |
fc4f24da RS |
1354 | { |
1355 | char *sequence = tgetstr (fcap, address); | |
1356 | if (sequence) | |
1357 | { | |
465db27b | 1358 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1359 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1360 | Fmake_vector (make_number (1), | |
1361 | intern (fkey))); | |
fc4f24da RS |
1362 | } |
1363 | } | |
01d8deb0 ER |
1364 | } |
1365 | } | |
1366 | ||
1367 | /* | |
1368 | * Various mappings to try and get a better fit. | |
1369 | */ | |
1370 | { | |
fc4f24da RS |
1371 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1372 | if (!tgetstr (cap1, address)) \ | |
1373 | { \ | |
1374 | char *sequence = tgetstr (cap2, address); \ | |
1375 | if (sequence) \ | |
f2a00342 RM |
1376 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1377 | Fmake_vector (make_number (1), \ | |
1378 | intern (sym))); \ | |
fc4f24da | 1379 | } |
01d8deb0 ER |
1380 | |
1381 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1382 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1383 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1384 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1385 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1386 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
0a7f697a KH |
1387 | |
1388 | /* IBM has their own non-standard dialect of terminfo. | |
1389 | If the standard name isn't found, try the IBM name. */ | |
1390 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1391 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1392 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1393 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1394 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1395 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1396 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1397 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1398 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1399 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1400 | } |
5c2c7893 JB |
1401 | } |
1402 | ||
1403 | \f | |
08a24c47 JB |
1404 | term_init (terminal_type) |
1405 | char *terminal_type; | |
1406 | { | |
1407 | char *area; | |
1408 | char **address = &area; | |
1409 | char buffer[2044]; | |
1410 | register char *p; | |
1411 | int status; | |
1412 | ||
cb28b9c2 RS |
1413 | #ifdef WINDOWSNT |
1414 | initialize_win_nt_display (); | |
1415 | ||
1416 | Wcm_clear (); | |
cb28b9c2 RS |
1417 | |
1418 | area = (char *) malloc (2044); | |
1419 | ||
1420 | if (area == 0) | |
1421 | abort (); | |
1422 | ||
1423 | FrameRows = FRAME_HEIGHT (selected_frame); | |
1424 | FrameCols = FRAME_WIDTH (selected_frame); | |
1425 | specified_window = FRAME_HEIGHT (selected_frame); | |
1426 | ||
1427 | delete_in_insert_mode = 1; | |
1428 | ||
1429 | UseTabs = 0; | |
1430 | scroll_region_ok = 0; | |
1431 | ||
1432 | /* Seems to insert lines when it's not supposed to, messing | |
1433 | up the display. In doing a trace, it didn't seem to be | |
1434 | called much, so I don't think we're losing anything by | |
1435 | turning it off. */ | |
1436 | ||
1437 | line_ins_del_ok = 0; | |
1438 | char_ins_del_ok = 1; | |
1439 | ||
1440 | baud_rate = 19200; | |
1441 | ||
1442 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; | |
1443 | FRAME_HAS_VERTICAL_SCROLL_BARS (selected_frame) = 0; | |
1444 | ||
1445 | return; | |
1446 | #endif /* WINDOWSNT */ | |
1447 | ||
08a24c47 | 1448 | Wcm_clear (); |
08a24c47 JB |
1449 | |
1450 | status = tgetent (buffer, terminal_type); | |
1451 | if (status < 0) | |
b0347178 KH |
1452 | { |
1453 | #ifdef TERMINFO | |
1454 | fatal ("Cannot open terminfo database file.\n"); | |
1455 | #else | |
1456 | fatal ("Cannot open termcap database file.\n"); | |
1457 | #endif | |
1458 | } | |
08a24c47 | 1459 | if (status == 0) |
b0347178 KH |
1460 | { |
1461 | #ifdef TERMINFO | |
1462 | fatal ("Terminal type %s is not defined.\n\ | |
1463 | If that is not the actual type of terminal you have,\n\ | |
1464 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1465 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
1466 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.\n", | |
1467 | terminal_type); | |
1468 | #else | |
1469 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
1470 | If that is not the actual type of terminal you have,\n\ |
1471 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1472 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
1473 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.\n", | |
b0347178 KH |
1474 | terminal_type); |
1475 | #endif | |
1476 | } | |
08a24c47 JB |
1477 | #ifdef TERMINFO |
1478 | area = (char *) malloc (2044); | |
1479 | #else | |
1480 | area = (char *) malloc (strlen (buffer)); | |
1481 | #endif /* not TERMINFO */ | |
1482 | if (area == 0) | |
1483 | abort (); | |
1484 | ||
1485 | TS_ins_line = tgetstr ("al", address); | |
1486 | TS_ins_multi_lines = tgetstr ("AL", address); | |
1487 | TS_bell = tgetstr ("bl", address); | |
1488 | BackTab = tgetstr ("bt", address); | |
1489 | TS_clr_to_bottom = tgetstr ("cd", address); | |
1490 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 1491 | TS_clr_frame = tgetstr ("cl", address); |
08a24c47 JB |
1492 | ColPosition = tgetstr ("ch", address); |
1493 | AbsPosition = tgetstr ("cm", address); | |
1494 | CR = tgetstr ("cr", address); | |
1495 | TS_set_scroll_region = tgetstr ("cs", address); | |
1496 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
1497 | RowPosition = tgetstr ("cv", address); | |
1498 | TS_del_char = tgetstr ("dc", address); | |
1499 | TS_del_multi_chars = tgetstr ("DC", address); | |
1500 | TS_del_line = tgetstr ("dl", address); | |
1501 | TS_del_multi_lines = tgetstr ("DL", address); | |
1502 | TS_delete_mode = tgetstr ("dm", address); | |
1503 | TS_end_delete_mode = tgetstr ("ed", address); | |
1504 | TS_end_insert_mode = tgetstr ("ei", address); | |
1505 | Home = tgetstr ("ho", address); | |
1506 | TS_ins_char = tgetstr ("ic", address); | |
1507 | TS_ins_multi_chars = tgetstr ("IC", address); | |
1508 | TS_insert_mode = tgetstr ("im", address); | |
1509 | TS_pad_inserted_char = tgetstr ("ip", address); | |
1510 | TS_end_keypad_mode = tgetstr ("ke", address); | |
1511 | TS_keypad_mode = tgetstr ("ks", address); | |
1512 | LastLine = tgetstr ("ll", address); | |
1513 | Right = tgetstr ("nd", address); | |
1514 | Down = tgetstr ("do", address); | |
1515 | if (!Down) | |
1516 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
1517 | #ifdef VMS | |
1518 | /* VMS puts a carriage return before each linefeed, | |
1519 | so it is not safe to use linefeeds. */ | |
1520 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
1521 | Down = 0; | |
1522 | #endif /* VMS */ | |
1523 | if (tgetflag ("bs")) | |
1524 | Left = "\b"; /* can't possibly be longer! */ | |
1525 | else /* (Actually, "bs" is obsolete...) */ | |
1526 | Left = tgetstr ("le", address); | |
1527 | if (!Left) | |
1528 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
1529 | TS_pad_char = tgetstr ("pc", address); | |
1530 | TS_repeat = tgetstr ("rp", address); | |
1531 | TS_end_standout_mode = tgetstr ("se", address); | |
1532 | TS_fwd_scroll = tgetstr ("sf", address); | |
1533 | TS_standout_mode = tgetstr ("so", address); | |
1534 | TS_rev_scroll = tgetstr ("sr", address); | |
1535 | Wcm.cm_tab = tgetstr ("ta", address); | |
1536 | TS_end_termcap_modes = tgetstr ("te", address); | |
1537 | TS_termcap_modes = tgetstr ("ti", address); | |
1538 | Up = tgetstr ("up", address); | |
1539 | TS_visible_bell = tgetstr ("vb", address); | |
1540 | TS_end_visual_mode = tgetstr ("ve", address); | |
1541 | TS_visual_mode = tgetstr ("vs", address); | |
1542 | TS_set_window = tgetstr ("wi", address); | |
1543 | MultiUp = tgetstr ("UP", address); | |
1544 | MultiDown = tgetstr ("DO", address); | |
1545 | MultiLeft = tgetstr ("LE", address); | |
1546 | MultiRight = tgetstr ("RI", address); | |
1547 | ||
e4058338 KH |
1548 | MagicWrap = tgetflag ("xn"); |
1549 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
1550 | the former flag imply the latter. */ | |
1551 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 1552 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
1553 | TF_hazeltine = tgetflag ("hz"); |
1554 | must_write_spaces = tgetflag ("in"); | |
1555 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
1556 | TF_insmode_motion = tgetflag ("mi"); | |
1557 | TF_standout_motion = tgetflag ("ms"); | |
1558 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
1559 | TF_xs = tgetflag ("xs"); |
1560 | TF_teleray = tgetflag ("xt"); | |
1561 | ||
5c2c7893 JB |
1562 | term_get_fkeys (address); |
1563 | ||
ff11dfa1 JB |
1564 | /* Get frame size from system, or else from termcap. */ |
1565 | get_frame_size (&FRAME_WIDTH (selected_frame), | |
1566 | &FRAME_HEIGHT (selected_frame)); | |
1567 | if (FRAME_WIDTH (selected_frame) <= 0) | |
1568 | FRAME_WIDTH (selected_frame) = tgetnum ("co"); | |
1569 | if (FRAME_HEIGHT (selected_frame) <= 0) | |
1570 | FRAME_HEIGHT (selected_frame) = tgetnum ("li"); | |
08a24c47 | 1571 | |
ee7a2de4 RS |
1572 | if (FRAME_HEIGHT (selected_frame) < 3 |
1573 | || FRAME_WIDTH (selected_frame) < 3) | |
1574 | fatal ("Screen size %dx%d is too small.\n", | |
1575 | FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame)); | |
1576 | ||
08a24c47 JB |
1577 | min_padding_speed = tgetnum ("pb"); |
1578 | TN_standout_width = tgetnum ("sg"); | |
1579 | TabWidth = tgetnum ("tw"); | |
1580 | ||
1581 | #ifdef VMS | |
1582 | /* These capabilities commonly use ^J. | |
1583 | I don't know why, but sending them on VMS does not work; | |
1584 | it causes following spaces to be lost, sometimes. | |
1585 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
1586 | if (Down && Down[0] == '\n') | |
1587 | Down = 0; | |
1588 | #endif /* VMS */ | |
1589 | ||
1590 | if (!TS_bell) | |
1591 | TS_bell = "\07"; | |
1592 | ||
1593 | if (!TS_fwd_scroll) | |
1594 | TS_fwd_scroll = Down; | |
1595 | ||
1596 | PC = TS_pad_char ? *TS_pad_char : 0; | |
1597 | ||
1598 | if (TabWidth < 0) | |
1599 | TabWidth = 8; | |
1600 | ||
1601 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
1602 | and newer termcap doc does not seem to say there is a default. | |
1603 | if (!Wcm.cm_tab) | |
1604 | Wcm.cm_tab = "\t"; | |
1605 | */ | |
1606 | ||
1607 | if (TS_standout_mode == 0) | |
1608 | { | |
1609 | TN_standout_width = tgetnum ("ug"); | |
1610 | TS_end_standout_mode = tgetstr ("ue", address); | |
1611 | TS_standout_mode = tgetstr ("us", address); | |
1612 | } | |
1613 | ||
afd359c4 RS |
1614 | /* If no `se' string, try using a `me' string instead. |
1615 | If that fails, we can't use standout mode at all. */ | |
1616 | if (TS_end_standout_mode == 0) | |
1617 | { | |
e4bfb3b6 | 1618 | char *s = tgetstr ("me", address); |
afd359c4 RS |
1619 | if (s != 0) |
1620 | TS_end_standout_mode = s; | |
1621 | else | |
1622 | TS_standout_mode = 0; | |
1623 | } | |
1624 | ||
08a24c47 JB |
1625 | if (TF_teleray) |
1626 | { | |
1627 | Wcm.cm_tab = 0; | |
1628 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
1629 | but Emacs can do without it (and give one extra column). */ | |
1630 | TS_standout_mode = "\033RD"; | |
1631 | TN_standout_width = 1; | |
1632 | /* But that means we cannot rely on ^M to go to column zero! */ | |
1633 | CR = 0; | |
1634 | /* LF can't be trusted either -- can alter hpos */ | |
1635 | /* if move at column 0 thru a line with TS_standout_mode */ | |
1636 | Down = 0; | |
1637 | } | |
1638 | ||
1639 | /* Special handling for certain terminal types known to need it */ | |
1640 | ||
1641 | if (!strcmp (terminal_type, "supdup")) | |
1642 | { | |
ff11dfa1 | 1643 | memory_below_frame = 1; |
08a24c47 JB |
1644 | Wcm.cm_losewrap = 1; |
1645 | } | |
1646 | if (!strncmp (terminal_type, "c10", 3) | |
1647 | || !strcmp (terminal_type, "perq")) | |
1648 | { | |
1649 | /* Supply a makeshift :wi string. | |
1650 | This string is not valid in general since it works only | |
1651 | for windows starting at the upper left corner; | |
1652 | but that is all Emacs uses. | |
1653 | ||
ff11dfa1 | 1654 | This string works only if the frame is using |
08a24c47 JB |
1655 | the top of the video memory, because addressing is memory-relative. |
1656 | So first check the :ti string to see if that is true. | |
1657 | ||
1658 | It would be simpler if the :wi string could go in the termcap | |
1659 | entry, but it can't because it is not fully valid. | |
1660 | If it were in the termcap entry, it would confuse other programs. */ | |
1661 | if (!TS_set_window) | |
1662 | { | |
1663 | p = TS_termcap_modes; | |
1664 | while (*p && strcmp (p, "\033v ")) | |
1665 | p++; | |
1666 | if (*p) | |
1667 | TS_set_window = "\033v%C %C %C %C "; | |
1668 | } | |
1669 | /* Termcap entry often fails to have :in: flag */ | |
1670 | must_write_spaces = 1; | |
1671 | /* :ti string typically fails to have \E^G! in it */ | |
1672 | /* This limits scope of insert-char to one line. */ | |
1673 | strcpy (area, TS_termcap_modes); | |
1674 | strcat (area, "\033\007!"); | |
1675 | TS_termcap_modes = area; | |
1676 | area += strlen (area) + 1; | |
1677 | p = AbsPosition; | |
1678 | /* Change all %+ parameters to %C, to handle | |
1679 | values above 96 correctly for the C100. */ | |
1680 | while (*p) | |
1681 | { | |
1682 | if (p[0] == '%' && p[1] == '+') | |
1683 | p[1] = 'C'; | |
1684 | p++; | |
1685 | } | |
1686 | } | |
1687 | ||
ff11dfa1 JB |
1688 | FrameRows = FRAME_HEIGHT (selected_frame); |
1689 | FrameCols = FRAME_WIDTH (selected_frame); | |
1690 | specified_window = FRAME_HEIGHT (selected_frame); | |
08a24c47 JB |
1691 | |
1692 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
1693 | #ifdef VMS | |
1694 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1695 | It lacks the ability to position the cursor.\n\ | |
1696 | If that is not the actual type of terminal you have, use either the\n\ | |
1697 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
1698 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.\n", | |
1699 | terminal_type); | |
37dad45a RS |
1700 | #else /* not VMS */ |
1701 | # ifdef TERMINFO | |
1702 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1703 | It lacks the ability to position the cursor.\n\ | |
1704 | If that is not the actual type of terminal you have,\n\ | |
1705 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1706 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
1707 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.\n", | |
1708 | terminal_type); | |
1709 | # else /* TERMCAP */ | |
08a24c47 JB |
1710 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
1711 | It lacks the ability to position the cursor.\n\ | |
1712 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
1713 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
1714 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
1715 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.\n", | |
08a24c47 | 1716 | terminal_type); |
37dad45a RS |
1717 | # endif /* TERMINFO */ |
1718 | #endif /*VMS */ | |
ff11dfa1 JB |
1719 | if (FRAME_HEIGHT (selected_frame) <= 0 |
1720 | || FRAME_WIDTH (selected_frame) <= 0) | |
1721 | fatal ("The frame size has not been specified."); | |
08a24c47 JB |
1722 | |
1723 | delete_in_insert_mode | |
1724 | = TS_delete_mode && TS_insert_mode | |
1725 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
1726 | ||
1727 | se_is_so = (TS_standout_mode | |
1728 | && TS_end_standout_mode | |
1729 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
1730 | ||
1731 | /* Remove width of standout marker from usable width of line */ | |
1732 | if (TN_standout_width > 0) | |
ff11dfa1 | 1733 | FRAME_WIDTH (selected_frame) -= TN_standout_width; |
08a24c47 JB |
1734 | |
1735 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
1736 | ||
1737 | scroll_region_ok | |
1738 | = (Wcm.cm_abs | |
1739 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
1740 | ||
1741 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
1742 | && (TS_del_line || TS_del_multi_lines)) | |
1743 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
1744 | ||
1745 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
1746 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
1747 | && (TS_del_char || TS_del_multi_chars)); | |
1748 | ||
1749 | fast_clear_end_of_line = TS_clr_line != 0; | |
1750 | ||
1751 | init_baud_rate (); | |
1752 | if (read_socket_hook) /* Baudrate is somewhat */ | |
1753 | /* meaningless in this case */ | |
1754 | baud_rate = 9600; | |
20a558dc | 1755 | |
a3c87d4e JB |
1756 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; |
1757 | FRAME_HAS_VERTICAL_SCROLL_BARS (selected_frame) = 0; | |
08a24c47 JB |
1758 | } |
1759 | ||
1760 | /* VARARGS 1 */ | |
1761 | fatal (str, arg1, arg2) | |
4746118a | 1762 | char *str, *arg1, *arg2; |
08a24c47 JB |
1763 | { |
1764 | fprintf (stderr, "emacs: "); | |
1765 | fprintf (stderr, str, arg1, arg2); | |
1766 | fflush (stderr); | |
1767 | exit (1); | |
1768 | } | |
07c57952 KH |
1769 | |
1770 | syms_of_term () | |
1771 | { | |
1772 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
1773 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
1774 | This variable can be used by terminal emulator packages."); | |
1775 | #ifdef TERMINFO | |
1776 | system_uses_terminfo = 1; | |
1777 | #else | |
1778 | system_uses_terminfo = 0; | |
1779 | #endif | |
1780 | } |