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" | |
a4decb7f KH |
30 | #include "charset.h" |
31 | #include "coding.h" | |
ff11dfa1 | 32 | #include "frame.h" |
08a24c47 JB |
33 | #include "disptab.h" |
34 | #include "termhooks.h" | |
5c2c7893 | 35 | #include "keyboard.h" |
08a24c47 | 36 | |
c8951b18 KH |
37 | extern Lisp_Object Fmake_sparse_keymap (); |
38 | ||
08a24c47 JB |
39 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
40 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
41 | ||
1d718789 | 42 | #define OUTPUT(a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc) |
08a24c47 JB |
43 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
44 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
1d718789 | 45 | #define OUTPUT_IF(a) { if (a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc); } |
08a24c47 JB |
46 | #define OUTPUT1_IF(a) { if (a) tputs (a, 1, cmputc); } |
47 | ||
c291d9ef RS |
48 | /* Function to use to ring the bell. */ |
49 | Lisp_Object Vring_bell_function; | |
50 | ||
eb8c3be9 | 51 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
52 | These are all extern'd in termchar.h */ |
53 | ||
08a24c47 JB |
54 | int must_write_spaces; /* Nonzero means spaces in the text |
55 | must actually be output; can't just skip | |
56 | over some columns to leave them blank. */ | |
57 | int min_padding_speed; /* Speed below which no padding necessary */ | |
58 | ||
59 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
60 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
61 | int scroll_region_ok; /* Terminal supports setting the | |
62 | scroll window */ | |
be7cd44f RS |
63 | int scroll_region_cost; /* Cost of setting a scroll window, |
64 | measured in characters */ | |
ff11dfa1 | 65 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
66 | scrolled off bottom */ |
67 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
68 | ||
ff11dfa1 | 69 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
70 | a suspended Emacs. This is useful on terminals with multiple pages, |
71 | where one page is used for Emacs and another for all else. */ | |
72 | int no_redraw_on_reenter; | |
73 | ||
74 | /* Hook functions that you can set to snap out the functions in this file. | |
75 | These are all extern'd in termhooks.h */ | |
76 | ||
77 | int (*cursor_to_hook) (); | |
78 | int (*raw_cursor_to_hook) (); | |
79 | ||
80 | int (*clear_to_end_hook) (); | |
ff11dfa1 | 81 | int (*clear_frame_hook) (); |
08a24c47 JB |
82 | int (*clear_end_of_line_hook) (); |
83 | ||
84 | int (*ins_del_lines_hook) (); | |
85 | ||
86 | int (*change_line_highlight_hook) (); | |
87 | int (*reassert_line_highlight_hook) (); | |
88 | ||
89 | int (*insert_glyphs_hook) (); | |
90 | int (*write_glyphs_hook) (); | |
91 | int (*delete_glyphs_hook) (); | |
92 | ||
93 | int (*ring_bell_hook) (); | |
94 | ||
95 | int (*reset_terminal_modes_hook) (); | |
96 | int (*set_terminal_modes_hook) (); | |
97 | int (*update_begin_hook) (); | |
98 | int (*update_end_hook) (); | |
99 | int (*set_terminal_window_hook) (); | |
100 | ||
101 | int (*read_socket_hook) (); | |
102 | ||
55cc089c RS |
103 | int (*frame_up_to_date_hook) (); |
104 | ||
20a558dc | 105 | /* Return the current position of the mouse. |
371fbaeb JB |
106 | |
107 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
108 | Emacs frame. If it is set to zero, all the other arguments are | |
109 | garbage. | |
110 | ||
a3c87d4e JB |
111 | If the motion started in a scroll bar, set *bar_window to the |
112 | scroll bar's window, *part to the part the mouse is currently over, | |
113 | *x to the position of the mouse along the scroll bar, and *y to the | |
114 | overall length of the scroll bar. | |
371fbaeb JB |
115 | |
116 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
117 | row of the character cell the mouse is over. | |
118 | ||
119 | Set *time to the time the mouse was at the returned position. | |
120 | ||
121 | This should clear mouse_moved until the next motion | |
122 | event arrives. */ | |
7357a681 | 123 | void (*mouse_position_hook) ( /* FRAME_PTR *f, int insist, |
371fbaeb | 124 | Lisp_Object *bar_window, |
a3c87d4e | 125 | enum scroll_bar_part *part, |
20a558dc JB |
126 | Lisp_Object *x, |
127 | Lisp_Object *y, | |
128 | unsigned long *time */ ); | |
08a24c47 | 129 | |
ff11dfa1 JB |
130 | /* When reading from a minibuffer in a different frame, Emacs wants |
131 | to shift the highlight from the selected frame to the minibuffer's | |
132 | frame; under X, this means it lies about where the focus is. | |
2e146aa4 JB |
133 | This hook tells the window system code to re-decide where to put |
134 | the highlight. */ | |
ff11dfa1 | 135 | void (*frame_rehighlight_hook) ( /* FRAME_PTR f */ ); |
2e146aa4 | 136 | |
dbc4e1c1 JB |
137 | /* If we're displaying frames using a window system that can stack |
138 | frames on top of each other, this hook allows you to bring a frame | |
139 | to the front, or bury it behind all the other windows. If this | |
140 | hook is zero, that means the device we're displaying on doesn't | |
141 | support overlapping frames, so there's no need to raise or lower | |
142 | anything. | |
143 | ||
144 | If RAISE is non-zero, F is brought to the front, before all other | |
145 | windows. If RAISE is zero, F is sent to the back, behind all other | |
146 | windows. */ | |
147 | void (*frame_raise_lower_hook) ( /* FRAME_PTR f, int raise */ ); | |
148 | ||
a3c87d4e | 149 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
150 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
151 | indicate that we are displaying PORTION characters out of a total | |
152 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e JB |
153 | have a scroll bar, create one for it. */ |
154 | void (*set_vertical_scroll_bar_hook) | |
371fbaeb | 155 | ( /* struct window *window, |
20a558dc JB |
156 | int portion, int whole, int position */ ); |
157 | ||
371fbaeb | 158 | |
20a558dc | 159 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 160 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
161 | are going to be deleted, because keeping track of when windows go |
162 | away is a real pain - can you say set-window-configuration? | |
163 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 164 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 165 | fiery pit when we actually redisplay their window. */ |
20a558dc | 166 | |
a3c87d4e JB |
167 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
168 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
169 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. | |
20a558dc | 170 | |
371fbaeb | 171 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
172 | redisplayed, even if it is not displaying scroll bars at the moment; |
173 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
174 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
175 | |
176 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 177 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 178 | currently displaying them. */ |
a3c87d4e | 179 | void (*condemn_scroll_bars_hook)( /* FRAME_PTR *frame */ ); |
371fbaeb | 180 | |
a3c87d4e JB |
181 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
182 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
183 | void (*redeem_scroll_bar_hook)( /* struct window *window */ ); | |
20a558dc | 184 | |
a3c87d4e JB |
185 | /* Remove all scroll bars on FRAME that haven't been saved since the |
186 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 187 | |
371fbaeb | 188 | This should be applied to each frame after each time its window |
a3c87d4e JB |
189 | tree is redisplayed, even if it is not displaying scroll bars at the |
190 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
191 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
192 | |
193 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 194 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 195 | currently displaying them. */ |
a3c87d4e | 196 | void (*judge_scroll_bars_hook)( /* FRAME_PTR *FRAME */ ); |
20a558dc JB |
197 | |
198 | ||
08a24c47 JB |
199 | /* Strings, numbers and flags taken from the termcap entry. */ |
200 | ||
5c34fe36 | 201 | char *TS_end_italic_mode; /* termcap "ae" */ |
a4decb7f KH |
202 | char *TS_ins_line; /* "al" */ |
203 | char *TS_italic_mode; /* "as" */ | |
08a24c47 JB |
204 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
205 | char *TS_bell; /* "bl" */ | |
206 | char *TS_clr_to_bottom; /* "cd" */ | |
207 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 208 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
209 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
210 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
211 | lines above scroll region, lines below it, | |
212 | total lines again) */ | |
213 | char *TS_del_char; /* "dc" */ | |
214 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
215 | char *TS_del_line; /* "dl" */ | |
216 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
217 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
218 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
219 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
220 | char *TS_ins_char; /* "ic" */ | |
221 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
222 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
223 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
224 | char *TS_end_keypad_mode; /* "ke" */ | |
225 | char *TS_keypad_mode; /* "ks" */ | |
a4decb7f KH |
226 | char *TS_bold_mode; /* "md" */ |
227 | char *TS_end_bold_mode; /* "me" */ | |
08a24c47 JB |
228 | char *TS_pad_char; /* "pc", char to use as padding */ |
229 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
230 | and character to be repeated) */ | |
231 | char *TS_end_standout_mode; /* "se" */ | |
232 | char *TS_fwd_scroll; /* "sf" */ | |
233 | char *TS_standout_mode; /* "so" */ | |
234 | char *TS_rev_scroll; /* "sr" */ | |
235 | char *TS_end_termcap_modes; /* "te" */ | |
236 | char *TS_termcap_modes; /* "ti" */ | |
a4decb7f KH |
237 | char *TS_end_underscore_mode; /* "ue" */ |
238 | char *TS_underscore_mode; /* "us" */ | |
08a24c47 JB |
239 | char *TS_visible_bell; /* "vb" */ |
240 | char *TS_end_visual_mode; /* "ve" */ | |
241 | char *TS_visual_mode; /* "vi" */ | |
242 | char *TS_set_window; /* "wi" (4 params, start and end of window, | |
243 | each as vpos and hpos) */ | |
244 | ||
245 | int TF_hazeltine; /* termcap hz flag. */ | |
246 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
247 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
248 | int TF_underscore; /* termcap ul flag: _ underlines if overstruck on | |
249 | nonblank position. Must clear before writing _. */ | |
250 | int TF_teleray; /* termcap xt flag: many weird consequences. | |
251 | For t1061. */ | |
252 | ||
253 | int TF_xs; /* Nonzero for "xs". If set together with | |
254 | TN_standout_width == 0, it means don't bother | |
255 | to write any end-standout cookies. */ | |
256 | ||
257 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
258 | markers */ | |
259 | ||
260 | static int RPov; /* # chars to start a TS_repeat */ | |
261 | ||
262 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
263 | ||
264 | static int se_is_so; /* 1 if same string both enters and leaves | |
265 | standout mode */ | |
266 | ||
267 | /* internal state */ | |
268 | ||
8dd0c7cb RS |
269 | /* The largest frame width in any call to calculate_costs. */ |
270 | int max_frame_width; | |
271 | /* The largest frame height in any call to calculate_costs. */ | |
272 | int max_frame_height; | |
273 | ||
08a24c47 JB |
274 | /* Number of chars of space used for standout marker at beginning of line, |
275 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 276 | The length of these vectors is max_frame_height. |
08a24c47 JB |
277 | |
278 | Used IFF TN_standout_width >= 0. */ | |
279 | ||
280 | static char *chars_wasted; | |
281 | static char *copybuf; | |
282 | ||
283 | /* nonzero means supposed to write text in standout mode. */ | |
284 | int standout_requested; | |
285 | ||
286 | int insert_mode; /* Nonzero when in insert mode. */ | |
287 | int standout_mode; /* Nonzero when in standout mode. */ | |
288 | ||
289 | /* Size of window specified by higher levels. | |
ff11dfa1 | 290 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
291 | which can participate in insert-line/delete-line operations. |
292 | ||
ff11dfa1 | 293 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
294 | lines from those operations. */ |
295 | ||
296 | int specified_window; | |
297 | ||
ff11dfa1 | 298 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
299 | (Direct output does not count). */ |
300 | ||
ff11dfa1 | 301 | FRAME_PTR updating_frame; |
08a24c47 | 302 | |
07c57952 KH |
303 | /* Provided for lisp packages. */ |
304 | static int system_uses_terminfo; | |
305 | ||
08a24c47 | 306 | char *tparam (); |
e4bfb3b6 RS |
307 | |
308 | extern char *tgetstr (); | |
08a24c47 | 309 | \f |
cb28b9c2 RS |
310 | |
311 | #ifdef WINDOWSNT | |
312 | /* We aren't X windows, but we aren't termcap either. This makes me | |
313 | uncertain as to what value to use for frame.output_method. For | |
314 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
315 | output hooks get called instead of the termcap functions. Probably | |
316 | the best long-term solution is to define an output_windows_nt... */ | |
317 | ||
318 | #undef FRAME_TERMCAP_P | |
319 | #define FRAME_TERMCAP_P(_f_) 0 | |
320 | #endif /* WINDOWSNT */ | |
321 | ||
08a24c47 JB |
322 | ring_bell () |
323 | { | |
c291d9ef RS |
324 | if (! NILP (Vring_bell_function)) |
325 | { | |
326 | Lisp_Object function; | |
327 | ||
328 | /* Temporarily set the global variable to nil | |
329 | so that if we get an error, it stays nil | |
330 | and we don't call it over and over. | |
331 | ||
332 | We don't specbind it, because that would carefully | |
333 | restore the bad value if there's an error | |
334 | and make the loop of errors happen anyway. */ | |
335 | function = Vring_bell_function; | |
336 | Vring_bell_function = Qnil; | |
337 | ||
338 | call0 (function); | |
339 | ||
340 | Vring_bell_function = function; | |
341 | return; | |
342 | } | |
343 | ||
1820044b | 344 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
345 | { |
346 | (*ring_bell_hook) (); | |
347 | return; | |
348 | } | |
349 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
350 | } | |
351 | ||
352 | set_terminal_modes () | |
353 | { | |
1820044b | 354 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
355 | { |
356 | (*set_terminal_modes_hook) (); | |
357 | return; | |
358 | } | |
359 | OUTPUT_IF (TS_termcap_modes); | |
360 | OUTPUT_IF (TS_visual_mode); | |
361 | OUTPUT_IF (TS_keypad_mode); | |
362 | losecursor (); | |
363 | } | |
364 | ||
365 | reset_terminal_modes () | |
366 | { | |
1820044b | 367 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
368 | { |
369 | (*reset_terminal_modes_hook) (); | |
370 | return; | |
371 | } | |
372 | if (TN_standout_width < 0) | |
373 | turn_off_highlight (); | |
374 | turn_off_insert (); | |
375 | OUTPUT_IF (TS_end_keypad_mode); | |
376 | OUTPUT_IF (TS_end_visual_mode); | |
377 | OUTPUT_IF (TS_end_termcap_modes); | |
378 | /* Output raw CR so kernel can track the cursor hpos. */ | |
379 | /* But on magic-cookie terminals this can erase an end-standout marker and | |
ff11dfa1 | 380 | cause the rest of the frame to be in standout, so move down first. */ |
08a24c47 JB |
381 | if (TN_standout_width >= 0) |
382 | cmputc ('\n'); | |
383 | cmputc ('\r'); | |
384 | } | |
385 | ||
ff11dfa1 JB |
386 | update_begin (f) |
387 | FRAME_PTR f; | |
08a24c47 | 388 | { |
ff11dfa1 | 389 | updating_frame = f; |
1820044b | 390 | if (! FRAME_TERMCAP_P (updating_frame)) |
ff11dfa1 | 391 | (*update_begin_hook) (f); |
08a24c47 JB |
392 | } |
393 | ||
ff11dfa1 JB |
394 | update_end (f) |
395 | FRAME_PTR f; | |
08a24c47 | 396 | { |
1820044b | 397 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 398 | { |
7a8e3e30 | 399 | (*update_end_hook) (f); |
cc4ee3c7 | 400 | updating_frame = 0; |
08a24c47 JB |
401 | return; |
402 | } | |
403 | turn_off_insert (); | |
404 | background_highlight (); | |
405 | standout_requested = 0; | |
ff11dfa1 | 406 | updating_frame = 0; |
08a24c47 JB |
407 | } |
408 | ||
409 | set_terminal_window (size) | |
410 | int size; | |
411 | { | |
1820044b | 412 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
413 | { |
414 | (*set_terminal_window_hook) (size); | |
415 | return; | |
416 | } | |
ff11dfa1 | 417 | specified_window = size ? size : FRAME_HEIGHT (selected_frame); |
08a24c47 JB |
418 | if (!scroll_region_ok) |
419 | return; | |
420 | set_scroll_region (0, specified_window); | |
421 | } | |
422 | ||
423 | set_scroll_region (start, stop) | |
424 | int start, stop; | |
425 | { | |
426 | char *buf; | |
427 | if (TS_set_scroll_region) | |
428 | { | |
429 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); | |
430 | } | |
431 | else if (TS_set_scroll_region_1) | |
432 | { | |
433 | buf = tparam (TS_set_scroll_region_1, 0, 0, | |
ff11dfa1 JB |
434 | FRAME_HEIGHT (selected_frame), start, |
435 | FRAME_HEIGHT (selected_frame) - stop, | |
436 | FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
437 | } |
438 | else | |
439 | { | |
ff11dfa1 | 440 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
441 | } |
442 | OUTPUT (buf); | |
9ac0d9e0 | 443 | xfree (buf); |
08a24c47 JB |
444 | losecursor (); |
445 | } | |
446 | \f | |
447 | turn_on_insert () | |
448 | { | |
449 | if (!insert_mode) | |
450 | OUTPUT (TS_insert_mode); | |
451 | insert_mode = 1; | |
452 | } | |
453 | ||
454 | turn_off_insert () | |
455 | { | |
456 | if (insert_mode) | |
457 | OUTPUT (TS_end_insert_mode); | |
458 | insert_mode = 0; | |
459 | } | |
460 | \f | |
461 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
462 | In these terminals, output is affected by the value of standout | |
463 | mode when the output is written. | |
464 | ||
465 | These functions are called on all terminals, but do nothing | |
466 | on terminals whose standout mode does not work that way. */ | |
467 | ||
468 | turn_off_highlight () | |
469 | { | |
470 | if (TN_standout_width < 0) | |
471 | { | |
472 | if (standout_mode) | |
473 | OUTPUT_IF (TS_end_standout_mode); | |
474 | standout_mode = 0; | |
475 | } | |
476 | } | |
477 | ||
478 | turn_on_highlight () | |
479 | { | |
480 | if (TN_standout_width < 0) | |
481 | { | |
482 | if (!standout_mode) | |
483 | OUTPUT_IF (TS_standout_mode); | |
484 | standout_mode = 1; | |
485 | } | |
486 | } | |
487 | ||
488 | /* Set standout mode to the state it should be in for | |
489 | empty space inside windows. What this is, | |
490 | depends on the user option inverse-video. */ | |
491 | ||
492 | background_highlight () | |
493 | { | |
494 | if (TN_standout_width >= 0) | |
495 | return; | |
496 | if (inverse_video) | |
497 | turn_on_highlight (); | |
498 | else | |
499 | turn_off_highlight (); | |
500 | } | |
501 | ||
502 | /* Set standout mode to the mode specified for the text to be output. */ | |
503 | ||
504 | static | |
505 | highlight_if_desired () | |
506 | { | |
507 | if (TN_standout_width >= 0) | |
508 | return; | |
509 | if (!inverse_video == !standout_requested) | |
510 | turn_off_highlight (); | |
511 | else | |
512 | turn_on_highlight (); | |
513 | } | |
514 | \f | |
515 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
516 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 517 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
518 | that the marker occupies in memory. Standout runs from the marker |
519 | to the end of the line on some terminals, or to the next | |
520 | turn-off-standout marker (TS_end_standout_mode) string | |
521 | on other terminals. */ | |
522 | ||
523 | /* Write a standout marker or end-standout marker at the front of the line | |
524 | at vertical position vpos. */ | |
525 | ||
526 | write_standout_marker (flag, vpos) | |
527 | int flag, vpos; | |
528 | { | |
529 | if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
530 | && !(TF_xs && TN_standout_width == 0))) | |
531 | { | |
532 | cmgoto (vpos, 0); | |
533 | cmplus (TN_standout_width); | |
534 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
535 | chars_wasted[curY] = TN_standout_width | 0100; | |
536 | } | |
537 | } | |
538 | \f | |
539 | /* External interface to control of standout mode. | |
540 | Call this when about to modify line at position VPOS | |
541 | and not change whether it is highlighted. */ | |
542 | ||
543 | reassert_line_highlight (highlight, vpos) | |
544 | int highlight; | |
545 | int vpos; | |
546 | { | |
1820044b | 547 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
548 | { |
549 | (*reassert_line_highlight_hook) (highlight, vpos); | |
550 | return; | |
551 | } | |
552 | if (TN_standout_width < 0) | |
553 | /* Handle terminals where standout takes affect at output time */ | |
554 | standout_requested = highlight; | |
555 | else if (chars_wasted[vpos] == 0) | |
556 | /* For terminals with standout markers, write one on this line | |
557 | if there isn't one already. */ | |
558 | write_standout_marker (highlight, vpos); | |
559 | } | |
560 | ||
561 | /* Call this when about to modify line at position VPOS | |
562 | and change whether it is highlighted. */ | |
563 | ||
564 | change_line_highlight (new_highlight, vpos, first_unused_hpos) | |
565 | int new_highlight, vpos, first_unused_hpos; | |
566 | { | |
567 | standout_requested = new_highlight; | |
1820044b | 568 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
569 | { |
570 | (*change_line_highlight_hook) (new_highlight, vpos, first_unused_hpos); | |
571 | return; | |
572 | } | |
573 | ||
574 | cursor_to (vpos, 0); | |
575 | ||
576 | if (TN_standout_width < 0) | |
577 | background_highlight (); | |
578 | /* If line starts with a marker, delete the marker */ | |
579 | else if (TS_clr_line && chars_wasted[curY]) | |
580 | { | |
581 | turn_off_insert (); | |
582 | /* On Teleray, make sure to erase the SO marker. */ | |
583 | if (TF_teleray) | |
584 | { | |
ff11dfa1 | 585 | cmgoto (curY - 1, FRAME_WIDTH (selected_frame) - 4); |
08a24c47 JB |
586 | OUTPUT ("\033S"); |
587 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
588 | curX = 0; | |
589 | } | |
590 | else | |
591 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
592 | } | |
593 | clear_end_of_line_raw (first_unused_hpos); | |
594 | reassert_line_highlight (new_highlight, curY); | |
595 | } | |
596 | \f | |
597 | ||
598 | /* Move to absolute position, specified origin 0 */ | |
599 | ||
600 | cursor_to (row, col) | |
4746118a | 601 | int row, col; |
08a24c47 | 602 | { |
1820044b | 603 | if (! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
604 | ? updating_frame |
605 | : selected_frame)) | |
08a24c47 JB |
606 | && cursor_to_hook) |
607 | { | |
608 | (*cursor_to_hook) (row, col); | |
609 | return; | |
610 | } | |
611 | ||
36cae867 KH |
612 | /* Detect the case where we are called from reset_sys_modes |
613 | and the costs have never been calculated. Do nothing. */ | |
614 | if (chars_wasted == 0) | |
615 | return; | |
616 | ||
08a24c47 JB |
617 | col += chars_wasted[row] & 077; |
618 | if (curY == row && curX == col) | |
619 | return; | |
620 | if (!TF_standout_motion) | |
621 | background_highlight (); | |
622 | if (!TF_insmode_motion) | |
623 | turn_off_insert (); | |
624 | cmgoto (row, col); | |
625 | } | |
626 | ||
627 | /* Similar but don't take any account of the wasted characters. */ | |
628 | ||
629 | raw_cursor_to (row, col) | |
4746118a | 630 | int row, col; |
08a24c47 | 631 | { |
1820044b | 632 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
633 | { |
634 | (*raw_cursor_to_hook) (row, col); | |
635 | return; | |
636 | } | |
637 | if (curY == row && curX == col) | |
638 | return; | |
639 | if (!TF_standout_motion) | |
640 | background_highlight (); | |
641 | if (!TF_insmode_motion) | |
642 | turn_off_insert (); | |
643 | cmgoto (row, col); | |
644 | } | |
645 | \f | |
646 | /* Erase operations */ | |
647 | ||
ff11dfa1 | 648 | /* clear from cursor to end of frame */ |
08a24c47 JB |
649 | clear_to_end () |
650 | { | |
651 | register int i; | |
652 | ||
759d9005 | 653 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
654 | { |
655 | (*clear_to_end_hook) (); | |
656 | return; | |
657 | } | |
658 | if (TS_clr_to_bottom) | |
659 | { | |
660 | background_highlight (); | |
661 | OUTPUT (TS_clr_to_bottom); | |
ff11dfa1 | 662 | bzero (chars_wasted + curY, FRAME_HEIGHT (selected_frame) - curY); |
08a24c47 JB |
663 | } |
664 | else | |
665 | { | |
ff11dfa1 | 666 | for (i = curY; i < FRAME_HEIGHT (selected_frame); i++) |
08a24c47 JB |
667 | { |
668 | cursor_to (i, 0); | |
ff11dfa1 | 669 | clear_end_of_line_raw (FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
670 | } |
671 | } | |
672 | } | |
673 | ||
ff11dfa1 | 674 | /* Clear entire frame */ |
08a24c47 | 675 | |
ff11dfa1 | 676 | clear_frame () |
08a24c47 | 677 | { |
ff11dfa1 | 678 | if (clear_frame_hook |
1820044b | 679 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 | 680 | { |
ff11dfa1 | 681 | (*clear_frame_hook) (); |
08a24c47 JB |
682 | return; |
683 | } | |
ff11dfa1 | 684 | if (TS_clr_frame) |
08a24c47 JB |
685 | { |
686 | background_highlight (); | |
ff11dfa1 JB |
687 | OUTPUT (TS_clr_frame); |
688 | bzero (chars_wasted, FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
689 | cmat (0, 0); |
690 | } | |
691 | else | |
692 | { | |
693 | cursor_to (0, 0); | |
694 | clear_to_end (); | |
695 | } | |
696 | } | |
697 | ||
698 | /* Clear to end of line, but do not clear any standout marker. | |
699 | Assumes that the cursor is positioned at a character of real text, | |
700 | which implies it cannot be before a standout marker | |
701 | unless the marker has zero width. | |
702 | ||
703 | Note that the cursor may be moved. */ | |
704 | ||
705 | clear_end_of_line (first_unused_hpos) | |
706 | int first_unused_hpos; | |
707 | { | |
a796ac82 | 708 | static GLYPH buf = SPACEGLYPH; |
1820044b | 709 | if (FRAME_TERMCAP_P (selected_frame) |
36cae867 | 710 | && chars_wasted != 0 |
08a24c47 | 711 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a796ac82 | 712 | write_glyphs (&buf, 1); |
08a24c47 JB |
713 | clear_end_of_line_raw (first_unused_hpos); |
714 | } | |
715 | ||
716 | /* Clear from cursor to end of line. | |
717 | Assume that the line is already clear starting at column first_unused_hpos. | |
718 | If the cursor is at a standout marker, erase the marker. | |
719 | ||
720 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
721 | ||
722 | clear_end_of_line_raw (first_unused_hpos) | |
723 | int first_unused_hpos; | |
724 | { | |
725 | register int i; | |
726 | ||
727 | if (clear_end_of_line_hook | |
1820044b | 728 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
729 | ? updating_frame |
730 | : selected_frame))) | |
08a24c47 JB |
731 | { |
732 | (*clear_end_of_line_hook) (first_unused_hpos); | |
733 | return; | |
734 | } | |
735 | ||
36cae867 KH |
736 | /* Detect the case where we are called from reset_sys_modes |
737 | and the costs have never been calculated. Do nothing. */ | |
738 | if (chars_wasted == 0) | |
739 | return; | |
740 | ||
08a24c47 JB |
741 | first_unused_hpos += chars_wasted[curY] & 077; |
742 | if (curX >= first_unused_hpos) | |
743 | return; | |
744 | /* Notice if we are erasing a magic cookie */ | |
745 | if (curX == 0) | |
746 | chars_wasted[curY] = 0; | |
747 | background_highlight (); | |
748 | if (TS_clr_line) | |
749 | { | |
750 | OUTPUT1 (TS_clr_line); | |
751 | } | |
752 | else | |
753 | { /* have to do it the hard way */ | |
754 | turn_off_insert (); | |
755 | ||
756 | /* Do not write in last row last col with Autowrap on. */ | |
ff11dfa1 JB |
757 | if (AutoWrap && curY == FRAME_HEIGHT (selected_frame) - 1 |
758 | && first_unused_hpos == FRAME_WIDTH (selected_frame)) | |
08a24c47 JB |
759 | first_unused_hpos--; |
760 | ||
761 | for (i = curX; i < first_unused_hpos; i++) | |
762 | { | |
763 | if (termscript) | |
764 | fputc (' ', termscript); | |
765 | putchar (' '); | |
766 | } | |
767 | cmplus (first_unused_hpos - curX); | |
768 | } | |
769 | } | |
770 | \f | |
a4decb7f KH |
771 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
772 | store them at DST. Do not write more than DST_LEN bytes. That may | |
773 | require stopping before all SRC_LEN input glyphs have been | |
774 | converted. | |
775 | ||
776 | We store the number of glyphs actually converted in *CONSUMED. The | |
777 | return value is the number of bytes store in DST. */ | |
778 | ||
779 | int | |
780 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
781 | GLYPH *src; | |
782 | int src_len; | |
783 | unsigned char *dst; | |
784 | int dst_len, *consumed; | |
785 | { | |
786 | GLYPH *src_start = src, *src_end = src + src_len; | |
787 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; | |
085d5908 KH |
788 | register GLYPH g; |
789 | unsigned int c; | |
a4decb7f KH |
790 | unsigned char workbuf[4], *buf; |
791 | int len, produced, processed; | |
792 | register int tlen = GLYPH_TABLE_LENGTH; | |
793 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
794 | ||
795 | while (src < src_end) | |
796 | { | |
797 | g = *src; | |
798 | /* We must skip glyphs to be padded for a wide character. */ | |
799 | if (! (g & GLYPH_MASK_PADDING)) | |
800 | { | |
085d5908 KH |
801 | if ((c = GLYPH_CHAR (selected_frame, g)) > MAX_CHAR) |
802 | { | |
803 | c = ' '; | |
804 | g = MAKE_GLYPH (selected_frame, c, | |
805 | GLYPH_FACE (selected_frame, g)); | |
806 | } | |
a4decb7f KH |
807 | if (COMPOSITE_CHAR_P (c)) |
808 | { | |
809 | /* If C is a composite character, we can display | |
810 | only the first component. */ | |
811 | g = cmpchar_table[COMPOSITE_CHAR_ID (c)]->glyph[0], | |
812 | c = GLYPH_CHAR (selected_frame, g); | |
813 | } | |
814 | if (c < tlen) | |
815 | { | |
816 | /* G has an entry in Vglyph_table, | |
817 | so process any alias before testing for simpleness. */ | |
818 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
819 | c = GLYPH_CHAR (selected_frame, g); | |
820 | } | |
821 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
822 | /* We set the multi-byte form of C at BUF. */ | |
823 | len = CHAR_STRING (c, workbuf, buf); | |
824 | else | |
171d7f24 RS |
825 | { |
826 | /* We have a string in Vglyph_table. */ | |
827 | len = GLYPH_LENGTH (tbase, g); | |
828 | buf = GLYPH_STRING (tbase, g); | |
829 | } | |
a4decb7f | 830 | |
df8bf431 KH |
831 | if (CODING_MAY_REQUIRE_NO_CONVERSION (&terminal_coding)) |
832 | /* We had better avoid sending Emacs' internal code to | |
833 | terminal. */ | |
834 | produced = encode_coding (&safe_terminal_coding, buf, dst, | |
835 | len, dst_end - dst, &processed); | |
836 | else | |
837 | produced = encode_coding (&terminal_coding, buf, dst, | |
838 | len, dst_end - dst, &processed); | |
a4decb7f KH |
839 | if (processed < len) |
840 | /* We get a carryover because the remaining output | |
841 | buffer is too short. We must break the loop here | |
842 | without increasing SRC so that the next call of | |
843 | this function start from the same glyph. */ | |
844 | break; | |
845 | dst += produced; | |
846 | } | |
847 | src++; | |
848 | } | |
849 | *consumed = src - src_start; | |
850 | return (dst - dst_start); | |
851 | } | |
852 | ||
08a24c47 JB |
853 | |
854 | write_glyphs (string, len) | |
855 | register GLYPH *string; | |
856 | register int len; | |
857 | { | |
858 | register GLYPH g; | |
859 | register int tlen = GLYPH_TABLE_LENGTH; | |
860 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
a4decb7f | 861 | int produced, consumed; |
08a24c47 JB |
862 | |
863 | if (write_glyphs_hook | |
1820044b | 864 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
865 | { |
866 | (*write_glyphs_hook) (string, len); | |
867 | return; | |
868 | } | |
869 | ||
870 | highlight_if_desired (); | |
871 | turn_off_insert (); | |
872 | ||
873 | /* Don't dare write in last column of bottom line, if AutoWrap, | |
ff11dfa1 | 874 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
875 | |
876 | if (AutoWrap | |
ff11dfa1 | 877 | && curY + 1 == FRAME_HEIGHT (selected_frame) |
08a24c47 | 878 | && (curX + len - (chars_wasted[curY] & 077) |
ff11dfa1 | 879 | == FRAME_WIDTH (selected_frame))) |
08a24c47 | 880 | len --; |
a4decb7f KH |
881 | if (len <= 0) |
882 | return; | |
08a24c47 JB |
883 | |
884 | cmplus (len); | |
a4decb7f KH |
885 | /* The field `last_block' should be set to 1 only at the tail. */ |
886 | terminal_coding.last_block = 0; | |
887 | while (len > 0) | |
08a24c47 | 888 | { |
a4decb7f KH |
889 | /* We use shared conversion buffer of the current size (1024 |
890 | bytes at least). Usually it is sufficient, but if not, we | |
891 | just repeat the loop. */ | |
892 | produced = encode_terminal_code (string, conversion_buffer, | |
893 | len, conversion_buffer_size, &consumed); | |
894 | if (produced > 0) | |
08a24c47 | 895 | { |
a4decb7f | 896 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
897 | if (ferror (stdout)) |
898 | clearerr (stdout); | |
899 | if (termscript) | |
a4decb7f | 900 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 | 901 | } |
a4decb7f KH |
902 | len -= consumed; |
903 | string += consumed; | |
904 | } | |
905 | /* We may have to output some codes to terminate the writing. */ | |
df8bf431 | 906 | if (!CODING_MAY_REQUIRE_NO_CONVERSION (&terminal_coding)) |
a4decb7f | 907 | { |
df8bf431 KH |
908 | terminal_coding.last_block = 1; |
909 | produced = encode_coding (&terminal_coding, (char *)0, conversion_buffer, | |
910 | 0, conversion_buffer_size, | |
911 | &consumed); | |
912 | ||
913 | if (produced > 0) | |
914 | { | |
915 | fwrite (conversion_buffer, 1, produced, stdout); | |
916 | if (ferror (stdout)) | |
917 | clearerr (stdout); | |
918 | if (termscript) | |
919 | fwrite (conversion_buffer, 1, produced, termscript); | |
920 | } | |
08a24c47 | 921 | } |
9a6b6f92 | 922 | cmcheckmagic (); |
08a24c47 JB |
923 | } |
924 | ||
925 | /* If start is zero, insert blanks instead of a string at start */ | |
926 | ||
927 | insert_glyphs (start, len) | |
928 | register GLYPH *start; | |
929 | register int len; | |
930 | { | |
931 | char *buf; | |
a4decb7f | 932 | GLYPH g; |
08a24c47 JB |
933 | register int tlen = GLYPH_TABLE_LENGTH; |
934 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
935 | ||
a4decb7f KH |
936 | if (len <= 0) |
937 | return; | |
938 | ||
1820044b | 939 | if (insert_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
940 | { |
941 | (*insert_glyphs_hook) (start, len); | |
942 | return; | |
943 | } | |
944 | highlight_if_desired (); | |
945 | ||
946 | if (TS_ins_multi_chars) | |
947 | { | |
948 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
949 | OUTPUT1 (buf); | |
9ac0d9e0 | 950 | xfree (buf); |
08a24c47 JB |
951 | if (start) |
952 | write_glyphs (start, len); | |
953 | return; | |
954 | } | |
955 | ||
956 | turn_on_insert (); | |
957 | cmplus (len); | |
a4decb7f KH |
958 | /* The field `last_block' should be set to 1 only at the tail. */ |
959 | terminal_coding.last_block = 0; | |
07109bf9 | 960 | while (len-- > 0) |
08a24c47 | 961 | { |
a4decb7f KH |
962 | int produced, consumed; |
963 | ||
08a24c47 JB |
964 | OUTPUT1_IF (TS_ins_char); |
965 | if (!start) | |
966 | g = SPACEGLYPH; | |
967 | else | |
08a24c47 | 968 | { |
a4decb7f KH |
969 | g = *start++; |
970 | /* We must open sufficient space for a character which | |
971 | occupies more than one column. */ | |
f3c6bfa2 | 972 | while (*start & GLYPH_MASK_PADDING) |
a4decb7f KH |
973 | { |
974 | OUTPUT1_IF (TS_ins_char); | |
975 | start++, len--; | |
976 | } | |
08a24c47 | 977 | } |
a4decb7f KH |
978 | |
979 | if (len <= 0) | |
980 | /* This is the last glyph. */ | |
981 | terminal_coding.last_block = 1; | |
982 | ||
983 | /* We use shared conversion buffer of the current size (1024 | |
984 | bytes at least). It is surely sufficient for just one glyph. */ | |
985 | produced = encode_terminal_code (&g, conversion_buffer, | |
986 | 1, conversion_buffer_size, &consumed); | |
987 | if (produced > 0) | |
08a24c47 | 988 | { |
a4decb7f | 989 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
990 | if (ferror (stdout)) |
991 | clearerr (stdout); | |
992 | if (termscript) | |
a4decb7f | 993 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
994 | } |
995 | ||
9a6b6f92 KH |
996 | OUTPUT1_IF (TS_pad_inserted_char); |
997 | } | |
998 | cmcheckmagic (); | |
08a24c47 JB |
999 | } |
1000 | ||
1001 | delete_glyphs (n) | |
1002 | register int n; | |
1003 | { | |
1004 | char *buf; | |
1005 | register int i; | |
1006 | ||
1820044b | 1007 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1008 | { |
1009 | (*delete_glyphs_hook) (n); | |
1010 | return; | |
1011 | } | |
1012 | ||
1013 | if (delete_in_insert_mode) | |
1014 | { | |
1015 | turn_on_insert (); | |
1016 | } | |
1017 | else | |
1018 | { | |
1019 | turn_off_insert (); | |
1020 | OUTPUT_IF (TS_delete_mode); | |
1021 | } | |
1022 | ||
1023 | if (TS_del_multi_chars) | |
1024 | { | |
1025 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1026 | OUTPUT1 (buf); | |
9ac0d9e0 | 1027 | xfree (buf); |
08a24c47 JB |
1028 | } |
1029 | else | |
1030 | for (i = 0; i < n; i++) | |
1031 | OUTPUT1 (TS_del_char); | |
1032 | if (!delete_in_insert_mode) | |
1033 | OUTPUT_IF (TS_end_delete_mode); | |
1034 | } | |
1035 | \f | |
1036 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1037 | ||
1038 | ins_del_lines (vpos, n) | |
1039 | int vpos, n; | |
1040 | { | |
1041 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1042 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1043 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
1044 | ||
1045 | register int i = n > 0 ? n : -n; | |
1046 | register char *buf; | |
1047 | ||
1820044b | 1048 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1049 | { |
1050 | (*ins_del_lines_hook) (vpos, n); | |
1051 | return; | |
1052 | } | |
1053 | ||
1054 | /* If the lines below the insertion are being pushed | |
1055 | into the end of the window, this is the same as clearing; | |
1056 | and we know the lines are already clear, since the matching | |
1057 | deletion has already been done. So can ignore this. */ | |
1058 | /* If the lines below the deletion are blank lines coming | |
1059 | out of the end of the window, don't bother, | |
1060 | as there will be a matching inslines later that will flush them. */ | |
1061 | if (scroll_region_ok && vpos + i >= specified_window) | |
1062 | return; | |
ff11dfa1 | 1063 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (selected_frame)) |
08a24c47 JB |
1064 | return; |
1065 | ||
1066 | if (multi) | |
1067 | { | |
1068 | raw_cursor_to (vpos, 0); | |
1069 | background_highlight (); | |
1070 | buf = tparam (multi, 0, 0, i); | |
1071 | OUTPUT (buf); | |
9ac0d9e0 | 1072 | xfree (buf); |
08a24c47 JB |
1073 | } |
1074 | else if (single) | |
1075 | { | |
1076 | raw_cursor_to (vpos, 0); | |
1077 | background_highlight (); | |
1078 | while (--i >= 0) | |
1079 | OUTPUT (single); | |
1080 | if (TF_teleray) | |
1081 | curX = 0; | |
1082 | } | |
1083 | else | |
1084 | { | |
1085 | set_scroll_region (vpos, specified_window); | |
1086 | if (n < 0) | |
1087 | raw_cursor_to (specified_window - 1, 0); | |
1088 | else | |
1089 | raw_cursor_to (vpos, 0); | |
1090 | background_highlight (); | |
1091 | while (--i >= 0) | |
1092 | OUTPUTL (scroll, specified_window - vpos); | |
1093 | set_scroll_region (0, specified_window); | |
1094 | } | |
1095 | ||
1096 | if (TN_standout_width >= 0) | |
1097 | { | |
1098 | register lower_limit | |
1099 | = (scroll_region_ok | |
1100 | ? specified_window | |
ff11dfa1 | 1101 | : FRAME_HEIGHT (selected_frame)); |
08a24c47 JB |
1102 | |
1103 | if (n < 0) | |
1104 | { | |
1105 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1106 | lower_limit - vpos + n); | |
1107 | bzero (&chars_wasted[lower_limit + n], - n); | |
1108 | } | |
1109 | else | |
1110 | { | |
1111 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1112 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1113 | lower_limit - vpos - n); | |
1114 | bzero (&chars_wasted[vpos], n); | |
1115 | } | |
1116 | } | |
ff11dfa1 | 1117 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1118 | { |
ff11dfa1 | 1119 | cursor_to (FRAME_HEIGHT (selected_frame) + n, 0); |
08a24c47 JB |
1120 | clear_to_end (); |
1121 | } | |
1122 | } | |
1123 | \f | |
1124 | /* Compute cost of sending "str", in characters, | |
1125 | not counting any line-dependent padding. */ | |
1126 | ||
1127 | int | |
1128 | string_cost (str) | |
1129 | char *str; | |
1130 | { | |
1131 | cost = 0; | |
1132 | if (str) | |
1133 | tputs (str, 0, evalcost); | |
1134 | return cost; | |
1135 | } | |
1136 | ||
1137 | /* Compute cost of sending "str", in characters, | |
1138 | counting any line-dependent padding at one line. */ | |
1139 | ||
1140 | static int | |
1141 | string_cost_one_line (str) | |
1142 | char *str; | |
1143 | { | |
1144 | cost = 0; | |
1145 | if (str) | |
1146 | tputs (str, 1, evalcost); | |
1147 | return cost; | |
1148 | } | |
1149 | ||
1150 | /* Compute per line amount of line-dependent padding, | |
1151 | in tenths of characters. */ | |
1152 | ||
1153 | int | |
1154 | per_line_cost (str) | |
1155 | register char *str; | |
1156 | { | |
1157 | cost = 0; | |
1158 | if (str) | |
1159 | tputs (str, 0, evalcost); | |
1160 | cost = - cost; | |
1161 | if (str) | |
1162 | tputs (str, 10, evalcost); | |
1163 | return cost; | |
1164 | } | |
1165 | ||
1166 | #ifndef old | |
1167 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1168 | char_ins_del_cost[-n] is cost of deleting N characters. |
1169 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1170 | |
1171 | int *char_ins_del_vector; | |
1172 | ||
ff11dfa1 | 1173 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1174 | #endif |
1175 | ||
1176 | /* ARGSUSED */ | |
1177 | static void | |
ff11dfa1 JB |
1178 | calculate_ins_del_char_costs (frame) |
1179 | FRAME_PTR frame; | |
08a24c47 JB |
1180 | { |
1181 | int ins_startup_cost, del_startup_cost; | |
1182 | int ins_cost_per_char, del_cost_per_char; | |
1183 | register int i; | |
1184 | register int *p; | |
1185 | ||
1186 | if (TS_ins_multi_chars) | |
1187 | { | |
1188 | ins_cost_per_char = 0; | |
1189 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1190 | } | |
1191 | else if (TS_ins_char || TS_pad_inserted_char | |
1192 | || (TS_insert_mode && TS_end_insert_mode)) | |
1193 | { | |
1194 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1195 | + string_cost (TS_end_insert_mode))) / 100; | |
1196 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1197 | + string_cost_one_line (TS_pad_inserted_char)); | |
1198 | } | |
1199 | else | |
1200 | { | |
1201 | ins_startup_cost = 9999; | |
1202 | ins_cost_per_char = 0; | |
1203 | } | |
1204 | ||
1205 | if (TS_del_multi_chars) | |
1206 | { | |
1207 | del_cost_per_char = 0; | |
1208 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1209 | } | |
1210 | else if (TS_del_char) | |
1211 | { | |
1212 | del_startup_cost = (string_cost (TS_delete_mode) | |
1213 | + string_cost (TS_end_delete_mode)); | |
1214 | if (delete_in_insert_mode) | |
1215 | del_startup_cost /= 2; | |
1216 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1217 | } | |
1218 | else | |
1219 | { | |
1220 | del_startup_cost = 9999; | |
1221 | del_cost_per_char = 0; | |
1222 | } | |
1223 | ||
1224 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1225 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1226 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1227 | *--p = (del_startup_cost += del_cost_per_char); |
1228 | ||
1229 | /* Doing nothing is free */ | |
ff11dfa1 | 1230 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1231 | *p++ = 0; |
1232 | ||
1233 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1234 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1235 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1236 | } | |
1237 | ||
a790fee2 JB |
1238 | extern do_line_insertion_deletion_costs (); |
1239 | ||
ff11dfa1 JB |
1240 | calculate_costs (frame) |
1241 | FRAME_PTR frame; | |
08a24c47 | 1242 | { |
9f732a77 RS |
1243 | register char *f = (TS_set_scroll_region |
1244 | ? TS_set_scroll_region | |
1245 | : TS_set_scroll_region_1); | |
08a24c47 | 1246 | |
9f732a77 | 1247 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1248 | |
be7cd44f | 1249 | scroll_region_cost = string_cost (f); |
08a24c47 | 1250 | #ifdef HAVE_X_WINDOWS |
1820044b | 1251 | if (FRAME_X_P (frame)) |
08a24c47 | 1252 | { |
ff11dfa1 | 1253 | do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*", |
7dac35c8 RS |
1254 | 0, 0, |
1255 | x_screen_planes (frame)); | |
be7cd44f | 1256 | scroll_region_cost = 0; |
08a24c47 JB |
1257 | return; |
1258 | } | |
1259 | #endif | |
1260 | ||
1261 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1262 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1263 | |
1264 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1265 | X turns off char_ins_del_ok. | |
1266 | ||
1267 | chars_wasted and copybuf are only used here in term.c in cases where | |
1268 | the term hook isn't called. */ | |
1269 | ||
8dd0c7cb RS |
1270 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1271 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1272 | ||
08a24c47 | 1273 | if (chars_wasted != 0) |
8dd0c7cb | 1274 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1275 | else |
8dd0c7cb | 1276 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1277 | |
1278 | if (copybuf != 0) | |
8dd0c7cb | 1279 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1280 | else |
8dd0c7cb | 1281 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1282 | |
1283 | if (char_ins_del_vector != 0) | |
1284 | char_ins_del_vector | |
1285 | = (int *) xrealloc (char_ins_del_vector, | |
1286 | (sizeof (int) | |
8dd0c7cb | 1287 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1288 | else |
1289 | char_ins_del_vector | |
1290 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1291 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1292 | |
8dd0c7cb RS |
1293 | bzero (chars_wasted, max_frame_height); |
1294 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1295 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1296 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1297 | |
ff11dfa1 JB |
1298 | if (f && (!TS_ins_line && !TS_del_line)) |
1299 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1300 | TS_rev_scroll, TS_ins_multi_lines, |
1301 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1302 | f, f, 1); |
08a24c47 | 1303 | else |
ff11dfa1 | 1304 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1305 | TS_ins_line, TS_ins_multi_lines, |
1306 | TS_del_line, TS_del_multi_lines, | |
1307 | 0, 0, 1); | |
1308 | ||
ff11dfa1 | 1309 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1310 | |
1311 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1312 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1313 | RPov = string_cost (TS_repeat); | |
1314 | else | |
ff11dfa1 | 1315 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1316 | |
1317 | cmcostinit (); /* set up cursor motion costs */ | |
1318 | } | |
1319 | \f | |
a796ac82 JB |
1320 | struct fkey_table { |
1321 | char *cap, *name; | |
1322 | }; | |
1323 | ||
01d8deb0 ER |
1324 | /* Termcap capability names that correspond directly to X keysyms. |
1325 | Some of these (marked "terminfo") aren't supplied by old-style | |
1326 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1327 | except we put the keypad keys first, so that if they clash with | |
1328 | other keys (as on the IBM PC keyboard) they get overridden. | |
1329 | */ | |
1330 | ||
a796ac82 | 1331 | static struct fkey_table keys[] = { |
01d8deb0 ER |
1332 | "kh", "home", /* termcap */ |
1333 | "kl", "left", /* termcap */ | |
1334 | "ku", "up", /* termcap */ | |
1335 | "kr", "right", /* termcap */ | |
1336 | "kd", "down", /* termcap */ | |
1337 | "%8", "prior", /* terminfo */ | |
1338 | "%5", "next", /* terminfo */ | |
1339 | "@7", "end", /* terminfo */ | |
1340 | "@1", "begin", /* terminfo */ | |
1341 | "*6", "select", /* terminfo */ | |
1342 | "%9", "print", /* terminfo */ | |
1343 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1344 | /* | |
1345 | * "insert" --- see below | |
1346 | */ | |
1347 | "&8", "undo", /* terminfo */ | |
1348 | "%0", "redo", /* terminfo */ | |
1349 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1350 | "@0", "find", /* terminfo */ | |
1351 | "@2", "cancel", /* terminfo */ | |
1352 | "%1", "help", /* terminfo */ | |
1353 | /* | |
1354 | * "break" goes here, but can't be reliably intercepted with termcap | |
1355 | */ | |
1356 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1357 | /* | |
1358 | * "system" and "user" --- no termcaps | |
1359 | */ | |
1360 | "kE", "clearline", /* terminfo */ | |
1361 | "kA", "insertline", /* terminfo */ | |
1362 | "kL", "deleteline", /* terminfo */ | |
1363 | "kI", "insertchar", /* terminfo */ | |
1364 | "kD", "deletechar", /* terminfo */ | |
1365 | "kB", "backtab", /* terminfo */ | |
1366 | /* | |
1367 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1368 | */ | |
1369 | "@8", "kp-enter", /* terminfo */ | |
1370 | /* | |
1371 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1372 | * "kp-multiply", "kp-add", "kp-separator", | |
1373 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1374 | * --- no termcaps for any of these. | |
1375 | */ | |
1376 | "K4", "kp-1", /* terminfo */ | |
1377 | /* | |
1378 | * "kp-2" --- no termcap | |
1379 | */ | |
1380 | "K5", "kp-3", /* terminfo */ | |
1381 | /* | |
1382 | * "kp-4" --- no termcap | |
1383 | */ | |
1384 | "K2", "kp-5", /* terminfo */ | |
1385 | /* | |
1386 | * "kp-6" --- no termcap | |
1387 | */ | |
1388 | "K1", "kp-7", /* terminfo */ | |
1389 | /* | |
1390 | * "kp-8" --- no termcap | |
1391 | */ | |
1392 | "K3", "kp-9", /* terminfo */ | |
1393 | /* | |
1394 | * "kp-equal" --- no termcap | |
1395 | */ | |
1396 | "k1", "f1", | |
1397 | "k2", "f2", | |
1398 | "k3", "f3", | |
1399 | "k4", "f4", | |
1400 | "k5", "f5", | |
1401 | "k6", "f6", | |
1402 | "k7", "f7", | |
1403 | "k8", "f8", | |
1404 | "k9", "f9", | |
a796ac82 JB |
1405 | }; |
1406 | ||
f2a00342 RM |
1407 | static char **term_get_fkeys_arg; |
1408 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1409 | |
01d8deb0 ER |
1410 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1411 | This function scans the termcap function key sequence entries, and | |
1412 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1413 | ||
5c2c7893 JB |
1414 | void |
1415 | term_get_fkeys (address) | |
1416 | char **address; | |
f2a00342 RM |
1417 | { |
1418 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1419 | errors during the call. The only errors should be from Fdefine_key | |
1420 | when given a key sequence containing an invalid prefix key. If the | |
1421 | termcap defines function keys which use a prefix that is already bound | |
1422 | to a command by the default bindings, we should silently ignore that | |
1423 | function key specification, rather than giving the user an error and | |
1424 | refusing to run at all on such a terminal. */ | |
1425 | ||
1426 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1427 | term_get_fkeys_arg = address; |
1428 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1429 | } | |
1430 | ||
1431 | static Lisp_Object | |
1432 | term_get_fkeys_1 () | |
5c2c7893 | 1433 | { |
5c2c7893 JB |
1434 | int i; |
1435 | ||
37085233 | 1436 | char **address = term_get_fkeys_arg; |
f778aff2 | 1437 | |
3e65092f RS |
1438 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1439 | if (!initialized) | |
1440 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1441 | ||
5c2c7893 JB |
1442 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1443 | { | |
1444 | char *sequence = tgetstr (keys[i].cap, address); | |
1445 | if (sequence) | |
f2a00342 RM |
1446 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1447 | Fmake_vector (make_number (1), | |
1448 | intern (keys[i].name))); | |
5c2c7893 | 1449 | } |
a796ac82 JB |
1450 | |
1451 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1452 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1453 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1454 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1455 | */ | |
1456 | { | |
1457 | char *k_semi = tgetstr ("k;", address); | |
1458 | char *k0 = tgetstr ("k0", address); | |
1459 | char *k0_name = "f10"; | |
1460 | ||
1461 | if (k_semi) | |
1462 | { | |
f2a00342 RM |
1463 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1464 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1465 | k0_name = "f0"; |
1466 | } | |
1467 | ||
1468 | if (k0) | |
f2a00342 RM |
1469 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1470 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1471 | } |
01d8deb0 ER |
1472 | |
1473 | /* Set up cookies for numbered function keys above f10. */ | |
1474 | { | |
1475 | char fcap[3], fkey[4]; | |
1476 | ||
fc4f24da | 1477 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1478 | for (i = 11; i < 64; i++) |
1479 | { | |
1480 | if (i <= 19) | |
1481 | fcap[1] = '1' + i - 11; | |
1482 | else if (i <= 45) | |
b59ab95c | 1483 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1484 | else |
b59ab95c | 1485 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1486 | |
fc4f24da RS |
1487 | { |
1488 | char *sequence = tgetstr (fcap, address); | |
1489 | if (sequence) | |
1490 | { | |
465db27b | 1491 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1492 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1493 | Fmake_vector (make_number (1), | |
1494 | intern (fkey))); | |
fc4f24da RS |
1495 | } |
1496 | } | |
01d8deb0 ER |
1497 | } |
1498 | } | |
1499 | ||
1500 | /* | |
1501 | * Various mappings to try and get a better fit. | |
1502 | */ | |
1503 | { | |
fc4f24da RS |
1504 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1505 | if (!tgetstr (cap1, address)) \ | |
1506 | { \ | |
1507 | char *sequence = tgetstr (cap2, address); \ | |
1508 | if (sequence) \ | |
f2a00342 RM |
1509 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1510 | Fmake_vector (make_number (1), \ | |
1511 | intern (sym))); \ | |
fc4f24da | 1512 | } |
01d8deb0 ER |
1513 | |
1514 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1515 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1516 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1517 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1518 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1519 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
0a7f697a KH |
1520 | |
1521 | /* IBM has their own non-standard dialect of terminfo. | |
1522 | If the standard name isn't found, try the IBM name. */ | |
1523 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1524 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1525 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1526 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1527 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1528 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1529 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1530 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1531 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1532 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1533 | } |
5c2c7893 JB |
1534 | } |
1535 | ||
1536 | \f | |
08a24c47 JB |
1537 | term_init (terminal_type) |
1538 | char *terminal_type; | |
1539 | { | |
1540 | char *area; | |
1541 | char **address = &area; | |
1542 | char buffer[2044]; | |
1543 | register char *p; | |
1544 | int status; | |
1545 | ||
cb28b9c2 | 1546 | #ifdef WINDOWSNT |
29f27c39 | 1547 | initialize_w32_display (); |
cb28b9c2 RS |
1548 | |
1549 | Wcm_clear (); | |
cb28b9c2 RS |
1550 | |
1551 | area = (char *) malloc (2044); | |
1552 | ||
1553 | if (area == 0) | |
1554 | abort (); | |
1555 | ||
1556 | FrameRows = FRAME_HEIGHT (selected_frame); | |
1557 | FrameCols = FRAME_WIDTH (selected_frame); | |
1558 | specified_window = FRAME_HEIGHT (selected_frame); | |
1559 | ||
1560 | delete_in_insert_mode = 1; | |
1561 | ||
1562 | UseTabs = 0; | |
1563 | scroll_region_ok = 0; | |
1564 | ||
1565 | /* Seems to insert lines when it's not supposed to, messing | |
1566 | up the display. In doing a trace, it didn't seem to be | |
1567 | called much, so I don't think we're losing anything by | |
1568 | turning it off. */ | |
1569 | ||
1570 | line_ins_del_ok = 0; | |
1571 | char_ins_del_ok = 1; | |
1572 | ||
1573 | baud_rate = 19200; | |
1574 | ||
1575 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; | |
1efd8636 | 1576 | FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none; |
cb28b9c2 RS |
1577 | |
1578 | return; | |
1579 | #endif /* WINDOWSNT */ | |
1580 | ||
08a24c47 | 1581 | Wcm_clear (); |
08a24c47 JB |
1582 | |
1583 | status = tgetent (buffer, terminal_type); | |
1584 | if (status < 0) | |
b0347178 KH |
1585 | { |
1586 | #ifdef TERMINFO | |
e12c1054 | 1587 | fatal ("Cannot open terminfo database file"); |
b0347178 | 1588 | #else |
e12c1054 | 1589 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
1590 | #endif |
1591 | } | |
08a24c47 | 1592 | if (status == 0) |
b0347178 KH |
1593 | { |
1594 | #ifdef TERMINFO | |
1595 | fatal ("Terminal type %s is not defined.\n\ | |
1596 | If that is not the actual type of terminal you have,\n\ | |
1597 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1598 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1599 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
1600 | terminal_type); |
1601 | #else | |
1602 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
1603 | If that is not the actual type of terminal you have,\n\ |
1604 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1605 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1606 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
1607 | terminal_type); |
1608 | #endif | |
1609 | } | |
08a24c47 JB |
1610 | #ifdef TERMINFO |
1611 | area = (char *) malloc (2044); | |
1612 | #else | |
1613 | area = (char *) malloc (strlen (buffer)); | |
1614 | #endif /* not TERMINFO */ | |
1615 | if (area == 0) | |
1616 | abort (); | |
1617 | ||
1618 | TS_ins_line = tgetstr ("al", address); | |
1619 | TS_ins_multi_lines = tgetstr ("AL", address); | |
1620 | TS_bell = tgetstr ("bl", address); | |
1621 | BackTab = tgetstr ("bt", address); | |
1622 | TS_clr_to_bottom = tgetstr ("cd", address); | |
1623 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 1624 | TS_clr_frame = tgetstr ("cl", address); |
08a24c47 JB |
1625 | ColPosition = tgetstr ("ch", address); |
1626 | AbsPosition = tgetstr ("cm", address); | |
1627 | CR = tgetstr ("cr", address); | |
1628 | TS_set_scroll_region = tgetstr ("cs", address); | |
1629 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
1630 | RowPosition = tgetstr ("cv", address); | |
1631 | TS_del_char = tgetstr ("dc", address); | |
1632 | TS_del_multi_chars = tgetstr ("DC", address); | |
1633 | TS_del_line = tgetstr ("dl", address); | |
1634 | TS_del_multi_lines = tgetstr ("DL", address); | |
1635 | TS_delete_mode = tgetstr ("dm", address); | |
1636 | TS_end_delete_mode = tgetstr ("ed", address); | |
1637 | TS_end_insert_mode = tgetstr ("ei", address); | |
1638 | Home = tgetstr ("ho", address); | |
1639 | TS_ins_char = tgetstr ("ic", address); | |
1640 | TS_ins_multi_chars = tgetstr ("IC", address); | |
1641 | TS_insert_mode = tgetstr ("im", address); | |
1642 | TS_pad_inserted_char = tgetstr ("ip", address); | |
1643 | TS_end_keypad_mode = tgetstr ("ke", address); | |
1644 | TS_keypad_mode = tgetstr ("ks", address); | |
1645 | LastLine = tgetstr ("ll", address); | |
1646 | Right = tgetstr ("nd", address); | |
1647 | Down = tgetstr ("do", address); | |
1648 | if (!Down) | |
1649 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
1650 | #ifdef VMS | |
1651 | /* VMS puts a carriage return before each linefeed, | |
1652 | so it is not safe to use linefeeds. */ | |
1653 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
1654 | Down = 0; | |
1655 | #endif /* VMS */ | |
1656 | if (tgetflag ("bs")) | |
1657 | Left = "\b"; /* can't possibly be longer! */ | |
1658 | else /* (Actually, "bs" is obsolete...) */ | |
1659 | Left = tgetstr ("le", address); | |
1660 | if (!Left) | |
1661 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
1662 | TS_pad_char = tgetstr ("pc", address); | |
1663 | TS_repeat = tgetstr ("rp", address); | |
1664 | TS_end_standout_mode = tgetstr ("se", address); | |
1665 | TS_fwd_scroll = tgetstr ("sf", address); | |
1666 | TS_standout_mode = tgetstr ("so", address); | |
1667 | TS_rev_scroll = tgetstr ("sr", address); | |
1668 | Wcm.cm_tab = tgetstr ("ta", address); | |
1669 | TS_end_termcap_modes = tgetstr ("te", address); | |
1670 | TS_termcap_modes = tgetstr ("ti", address); | |
a4decb7f KH |
1671 | TS_bold_mode = tgetstr ("md", address); |
1672 | TS_end_bold_mode = tgetstr ("me", address); | |
1673 | TS_underscore_mode = tgetstr ("us", address); | |
1674 | TS_end_underscore_mode = tgetstr ("ue", address); | |
08a24c47 JB |
1675 | Up = tgetstr ("up", address); |
1676 | TS_visible_bell = tgetstr ("vb", address); | |
1677 | TS_end_visual_mode = tgetstr ("ve", address); | |
1678 | TS_visual_mode = tgetstr ("vs", address); | |
1679 | TS_set_window = tgetstr ("wi", address); | |
1680 | MultiUp = tgetstr ("UP", address); | |
1681 | MultiDown = tgetstr ("DO", address); | |
1682 | MultiLeft = tgetstr ("LE", address); | |
1683 | MultiRight = tgetstr ("RI", address); | |
1684 | ||
e4058338 KH |
1685 | MagicWrap = tgetflag ("xn"); |
1686 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
1687 | the former flag imply the latter. */ | |
1688 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 1689 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
1690 | TF_hazeltine = tgetflag ("hz"); |
1691 | must_write_spaces = tgetflag ("in"); | |
1692 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
1693 | TF_insmode_motion = tgetflag ("mi"); | |
1694 | TF_standout_motion = tgetflag ("ms"); | |
1695 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
1696 | TF_xs = tgetflag ("xs"); |
1697 | TF_teleray = tgetflag ("xt"); | |
1698 | ||
5c2c7893 JB |
1699 | term_get_fkeys (address); |
1700 | ||
ff11dfa1 | 1701 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
1702 | { |
1703 | int height, width; | |
1704 | get_frame_size (&width, &height); | |
1705 | FRAME_WIDTH (selected_frame) = width; | |
1706 | FRAME_HEIGHT (selected_frame) = height; | |
1707 | } | |
1708 | ||
ff11dfa1 | 1709 | if (FRAME_WIDTH (selected_frame) <= 0) |
1efd8636 RS |
1710 | SET_FRAME_WIDTH (selected_frame, tgetnum ("co")); |
1711 | else | |
1712 | /* Keep width and external_width consistent */ | |
1713 | SET_FRAME_WIDTH (selected_frame, FRAME_WIDTH (selected_frame)); | |
ff11dfa1 JB |
1714 | if (FRAME_HEIGHT (selected_frame) <= 0) |
1715 | FRAME_HEIGHT (selected_frame) = tgetnum ("li"); | |
1efd8636 | 1716 | |
ee7a2de4 RS |
1717 | if (FRAME_HEIGHT (selected_frame) < 3 |
1718 | || FRAME_WIDTH (selected_frame) < 3) | |
e12c1054 | 1719 | fatal ("Screen size %dx%d is too small", |
ee7a2de4 RS |
1720 | FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame)); |
1721 | ||
08a24c47 JB |
1722 | min_padding_speed = tgetnum ("pb"); |
1723 | TN_standout_width = tgetnum ("sg"); | |
1724 | TabWidth = tgetnum ("tw"); | |
1725 | ||
1726 | #ifdef VMS | |
1727 | /* These capabilities commonly use ^J. | |
1728 | I don't know why, but sending them on VMS does not work; | |
1729 | it causes following spaces to be lost, sometimes. | |
1730 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
1731 | if (Down && Down[0] == '\n') | |
1732 | Down = 0; | |
1733 | #endif /* VMS */ | |
1734 | ||
1735 | if (!TS_bell) | |
1736 | TS_bell = "\07"; | |
1737 | ||
1738 | if (!TS_fwd_scroll) | |
1739 | TS_fwd_scroll = Down; | |
1740 | ||
1741 | PC = TS_pad_char ? *TS_pad_char : 0; | |
1742 | ||
1743 | if (TabWidth < 0) | |
1744 | TabWidth = 8; | |
1745 | ||
1746 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
1747 | and newer termcap doc does not seem to say there is a default. | |
1748 | if (!Wcm.cm_tab) | |
1749 | Wcm.cm_tab = "\t"; | |
1750 | */ | |
1751 | ||
1752 | if (TS_standout_mode == 0) | |
1753 | { | |
1754 | TN_standout_width = tgetnum ("ug"); | |
1755 | TS_end_standout_mode = tgetstr ("ue", address); | |
1756 | TS_standout_mode = tgetstr ("us", address); | |
1757 | } | |
1758 | ||
afd359c4 RS |
1759 | /* If no `se' string, try using a `me' string instead. |
1760 | If that fails, we can't use standout mode at all. */ | |
1761 | if (TS_end_standout_mode == 0) | |
1762 | { | |
e4bfb3b6 | 1763 | char *s = tgetstr ("me", address); |
afd359c4 RS |
1764 | if (s != 0) |
1765 | TS_end_standout_mode = s; | |
1766 | else | |
1767 | TS_standout_mode = 0; | |
1768 | } | |
1769 | ||
08a24c47 JB |
1770 | if (TF_teleray) |
1771 | { | |
1772 | Wcm.cm_tab = 0; | |
1773 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
1774 | but Emacs can do without it (and give one extra column). */ | |
1775 | TS_standout_mode = "\033RD"; | |
1776 | TN_standout_width = 1; | |
1777 | /* But that means we cannot rely on ^M to go to column zero! */ | |
1778 | CR = 0; | |
1779 | /* LF can't be trusted either -- can alter hpos */ | |
1780 | /* if move at column 0 thru a line with TS_standout_mode */ | |
1781 | Down = 0; | |
1782 | } | |
1783 | ||
1784 | /* Special handling for certain terminal types known to need it */ | |
1785 | ||
1786 | if (!strcmp (terminal_type, "supdup")) | |
1787 | { | |
ff11dfa1 | 1788 | memory_below_frame = 1; |
08a24c47 JB |
1789 | Wcm.cm_losewrap = 1; |
1790 | } | |
1791 | if (!strncmp (terminal_type, "c10", 3) | |
1792 | || !strcmp (terminal_type, "perq")) | |
1793 | { | |
1794 | /* Supply a makeshift :wi string. | |
1795 | This string is not valid in general since it works only | |
1796 | for windows starting at the upper left corner; | |
1797 | but that is all Emacs uses. | |
1798 | ||
ff11dfa1 | 1799 | This string works only if the frame is using |
08a24c47 JB |
1800 | the top of the video memory, because addressing is memory-relative. |
1801 | So first check the :ti string to see if that is true. | |
1802 | ||
1803 | It would be simpler if the :wi string could go in the termcap | |
1804 | entry, but it can't because it is not fully valid. | |
1805 | If it were in the termcap entry, it would confuse other programs. */ | |
1806 | if (!TS_set_window) | |
1807 | { | |
1808 | p = TS_termcap_modes; | |
1809 | while (*p && strcmp (p, "\033v ")) | |
1810 | p++; | |
1811 | if (*p) | |
1812 | TS_set_window = "\033v%C %C %C %C "; | |
1813 | } | |
1814 | /* Termcap entry often fails to have :in: flag */ | |
1815 | must_write_spaces = 1; | |
1816 | /* :ti string typically fails to have \E^G! in it */ | |
1817 | /* This limits scope of insert-char to one line. */ | |
1818 | strcpy (area, TS_termcap_modes); | |
1819 | strcat (area, "\033\007!"); | |
1820 | TS_termcap_modes = area; | |
1821 | area += strlen (area) + 1; | |
1822 | p = AbsPosition; | |
1823 | /* Change all %+ parameters to %C, to handle | |
1824 | values above 96 correctly for the C100. */ | |
1825 | while (*p) | |
1826 | { | |
1827 | if (p[0] == '%' && p[1] == '+') | |
1828 | p[1] = 'C'; | |
1829 | p++; | |
1830 | } | |
1831 | } | |
1832 | ||
ff11dfa1 JB |
1833 | FrameRows = FRAME_HEIGHT (selected_frame); |
1834 | FrameCols = FRAME_WIDTH (selected_frame); | |
1835 | specified_window = FRAME_HEIGHT (selected_frame); | |
08a24c47 JB |
1836 | |
1837 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
1838 | #ifdef VMS | |
1839 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1840 | It lacks the ability to position the cursor.\n\ | |
1841 | If that is not the actual type of terminal you have, use either the\n\ | |
1842 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 1843 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 1844 | terminal_type); |
37dad45a RS |
1845 | #else /* not VMS */ |
1846 | # ifdef TERMINFO | |
1847 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1848 | It lacks the ability to position the cursor.\n\ | |
1849 | If that is not the actual type of terminal you have,\n\ | |
1850 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1851 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1852 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
1853 | terminal_type); |
1854 | # else /* TERMCAP */ | |
08a24c47 JB |
1855 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
1856 | It lacks the ability to position the cursor.\n\ | |
1857 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
1858 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
1859 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1860 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 1861 | terminal_type); |
37dad45a RS |
1862 | # endif /* TERMINFO */ |
1863 | #endif /*VMS */ | |
ff11dfa1 JB |
1864 | if (FRAME_HEIGHT (selected_frame) <= 0 |
1865 | || FRAME_WIDTH (selected_frame) <= 0) | |
e12c1054 | 1866 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
1867 | |
1868 | delete_in_insert_mode | |
1869 | = TS_delete_mode && TS_insert_mode | |
1870 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
1871 | ||
1872 | se_is_so = (TS_standout_mode | |
1873 | && TS_end_standout_mode | |
1874 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
1875 | ||
1876 | /* Remove width of standout marker from usable width of line */ | |
1877 | if (TN_standout_width > 0) | |
1efd8636 RS |
1878 | SET_FRAME_WIDTH (selected_frame, |
1879 | FRAME_WIDTH (selected_frame) - TN_standout_width); | |
08a24c47 JB |
1880 | |
1881 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
1882 | ||
1883 | scroll_region_ok | |
1884 | = (Wcm.cm_abs | |
1885 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
1886 | ||
1887 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
1888 | && (TS_del_line || TS_del_multi_lines)) | |
1889 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
1890 | ||
1891 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
1892 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
1893 | && (TS_del_char || TS_del_multi_chars)); | |
1894 | ||
1895 | fast_clear_end_of_line = TS_clr_line != 0; | |
1896 | ||
1897 | init_baud_rate (); | |
1898 | if (read_socket_hook) /* Baudrate is somewhat */ | |
1899 | /* meaningless in this case */ | |
1900 | baud_rate = 9600; | |
20a558dc | 1901 | |
a3c87d4e | 1902 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; |
1efd8636 | 1903 | FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none; |
08a24c47 JB |
1904 | } |
1905 | ||
1906 | /* VARARGS 1 */ | |
1907 | fatal (str, arg1, arg2) | |
4746118a | 1908 | char *str, *arg1, *arg2; |
08a24c47 JB |
1909 | { |
1910 | fprintf (stderr, "emacs: "); | |
1911 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 1912 | fprintf (stderr, "\n"); |
08a24c47 JB |
1913 | fflush (stderr); |
1914 | exit (1); | |
1915 | } | |
07c57952 KH |
1916 | |
1917 | syms_of_term () | |
1918 | { | |
1919 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
1920 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
1921 | This variable can be used by terminal emulator packages."); | |
1922 | #ifdef TERMINFO | |
1923 | system_uses_terminfo = 1; | |
1924 | #else | |
1925 | system_uses_terminfo = 0; | |
1926 | #endif | |
c291d9ef RS |
1927 | |
1928 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
1929 | "Non-nil means call this function to ring the bell.\n\ | |
1930 | The function should accept no arguments."); | |
1931 | Vring_bell_function = Qnil; | |
07c57952 | 1932 | } |