Commit | Line | Data |
---|---|---|
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" | |
08a24c47 JB |
27 | #undef NULL |
28 | #include "lisp.h" | |
a4decb7f KH |
29 | #include "charset.h" |
30 | #include "coding.h" | |
ff11dfa1 | 31 | #include "frame.h" |
08a24c47 JB |
32 | #include "disptab.h" |
33 | #include "termhooks.h" | |
5c2c7893 | 34 | #include "keyboard.h" |
dfcf069d | 35 | #include "dispextern.h" |
eccec691 | 36 | #include "cm.h" |
dfcf069d AS |
37 | #ifdef HAVE_X_WINDOWS |
38 | #include "xterm.h" | |
39 | #endif | |
c8951b18 | 40 | |
08a24c47 JB |
41 | #define max(a, b) ((a) > (b) ? (a) : (b)) |
42 | #define min(a, b) ((a) < (b) ? (a) : (b)) | |
43 | ||
1d718789 | 44 | #define OUTPUT(a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc) |
08a24c47 JB |
45 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
46 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
1d718789 | 47 | #define OUTPUT_IF(a) { if (a) tputs (a, (int) (FRAME_HEIGHT (selected_frame) - curY), cmputc); } |
08a24c47 JB |
48 | #define OUTPUT1_IF(a) { if (a) tputs (a, 1, cmputc); } |
49 | ||
c291d9ef RS |
50 | /* Function to use to ring the bell. */ |
51 | Lisp_Object Vring_bell_function; | |
52 | ||
eb8c3be9 | 53 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
54 | These are all extern'd in termchar.h */ |
55 | ||
08a24c47 JB |
56 | int must_write_spaces; /* Nonzero means spaces in the text |
57 | must actually be output; can't just skip | |
58 | over some columns to leave them blank. */ | |
59 | int min_padding_speed; /* Speed below which no padding necessary */ | |
60 | ||
61 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
62 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
63 | int scroll_region_ok; /* Terminal supports setting the | |
64 | scroll window */ | |
be7cd44f RS |
65 | int scroll_region_cost; /* Cost of setting a scroll window, |
66 | measured in characters */ | |
ff11dfa1 | 67 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
68 | scrolled off bottom */ |
69 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
70 | ||
ff11dfa1 | 71 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
72 | a suspended Emacs. This is useful on terminals with multiple pages, |
73 | where one page is used for Emacs and another for all else. */ | |
74 | int no_redraw_on_reenter; | |
75 | ||
76 | /* Hook functions that you can set to snap out the functions in this file. | |
77 | These are all extern'd in termhooks.h */ | |
78 | ||
dfcf069d AS |
79 | void (*cursor_to_hook) P_ ((int, int)); |
80 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
08a24c47 | 81 | |
dfcf069d AS |
82 | void (*clear_to_end_hook) P_ ((void)); |
83 | void (*clear_frame_hook) P_ ((void)); | |
84 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 85 | |
dfcf069d | 86 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 87 | |
dfcf069d AS |
88 | void (*change_line_highlight_hook) P_ ((int, int, int)); |
89 | void (*reassert_line_highlight_hook) P_ ((int, int)); | |
08a24c47 | 90 | |
dfcf069d AS |
91 | void (*insert_glyphs_hook) P_ ((GLYPH *, int)); |
92 | void (*write_glyphs_hook) P_ ((GLYPH *, int)); | |
93 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 94 | |
dfcf069d | 95 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 96 | |
dfcf069d AS |
97 | void (*reset_terminal_modes_hook) P_ ((void)); |
98 | void (*set_terminal_modes_hook) P_ ((void)); | |
99 | void (*update_begin_hook) P_ ((struct frame *)); | |
100 | void (*update_end_hook) P_ ((struct frame *)); | |
101 | void (*set_terminal_window_hook) P_ ((int)); | |
08a24c47 | 102 | |
dfcf069d | 103 | int (*read_socket_hook) P_ ((int, struct input_event *, int, int)); |
08a24c47 | 104 | |
dfcf069d | 105 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 106 | |
20a558dc | 107 | /* Return the current position of the mouse. |
371fbaeb JB |
108 | |
109 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
110 | Emacs frame. If it is set to zero, all the other arguments are | |
111 | garbage. | |
112 | ||
a3c87d4e JB |
113 | If the motion started in a scroll bar, set *bar_window to the |
114 | scroll bar's window, *part to the part the mouse is currently over, | |
115 | *x to the position of the mouse along the scroll bar, and *y to the | |
116 | overall length of the scroll bar. | |
371fbaeb JB |
117 | |
118 | Otherwise, set *bar_window to Qnil, and *x and *y to the column and | |
119 | row of the character cell the mouse is over. | |
120 | ||
121 | Set *time to the time the mouse was at the returned position. | |
122 | ||
123 | This should clear mouse_moved until the next motion | |
124 | event arrives. */ | |
dfcf069d | 125 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 126 | Lisp_Object *bar_window, |
a3c87d4e | 127 | enum scroll_bar_part *part, |
20a558dc JB |
128 | Lisp_Object *x, |
129 | Lisp_Object *y, | |
dfcf069d | 130 | unsigned long *time)); |
08a24c47 | 131 | |
ff11dfa1 JB |
132 | /* When reading from a minibuffer in a different frame, Emacs wants |
133 | to shift the highlight from the selected frame to the minibuffer's | |
134 | frame; under X, this means it lies about where the focus is. | |
2e146aa4 JB |
135 | This hook tells the window system code to re-decide where to put |
136 | the highlight. */ | |
dfcf069d | 137 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 138 | |
dbc4e1c1 JB |
139 | /* If we're displaying frames using a window system that can stack |
140 | frames on top of each other, this hook allows you to bring a frame | |
141 | to the front, or bury it behind all the other windows. If this | |
142 | hook is zero, that means the device we're displaying on doesn't | |
143 | support overlapping frames, so there's no need to raise or lower | |
144 | anything. | |
145 | ||
146 | If RAISE is non-zero, F is brought to the front, before all other | |
147 | windows. If RAISE is zero, F is sent to the back, behind all other | |
148 | windows. */ | |
dfcf069d | 149 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 150 | |
a3c87d4e | 151 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
152 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
153 | indicate that we are displaying PORTION characters out of a total | |
154 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e JB |
155 | have a scroll bar, create one for it. */ |
156 | void (*set_vertical_scroll_bar_hook) | |
dfcf069d AS |
157 | P_ ((struct window *window, |
158 | int portion, int whole, int position)); | |
20a558dc | 159 | |
371fbaeb | 160 | |
20a558dc | 161 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 162 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
163 | are going to be deleted, because keeping track of when windows go |
164 | away is a real pain - can you say set-window-configuration? | |
165 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 166 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 167 | fiery pit when we actually redisplay their window. */ |
20a558dc | 168 | |
a3c87d4e JB |
169 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
170 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
171 | `*redeem_scroll_bar_hook' is applied to its window before the judgement. | |
20a558dc | 172 | |
371fbaeb | 173 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
174 | redisplayed, even if it is not displaying scroll bars at the moment; |
175 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
176 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
177 | |
178 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 179 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 180 | currently displaying them. */ |
dfcf069d | 181 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 182 | |
a3c87d4e JB |
183 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
184 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
dfcf069d | 185 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 186 | |
a3c87d4e JB |
187 | /* Remove all scroll bars on FRAME that haven't been saved since the |
188 | last call to `*condemn_scroll_bars_hook'. | |
20a558dc | 189 | |
371fbaeb | 190 | This should be applied to each frame after each time its window |
a3c87d4e JB |
191 | tree is redisplayed, even if it is not displaying scroll bars at the |
192 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
193 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
194 | |
195 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 196 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 197 | currently displaying them. */ |
dfcf069d | 198 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc JB |
199 | |
200 | ||
08a24c47 JB |
201 | /* Strings, numbers and flags taken from the termcap entry. */ |
202 | ||
5c34fe36 | 203 | char *TS_end_italic_mode; /* termcap "ae" */ |
a4decb7f KH |
204 | char *TS_ins_line; /* "al" */ |
205 | char *TS_italic_mode; /* "as" */ | |
08a24c47 JB |
206 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
207 | char *TS_bell; /* "bl" */ | |
208 | char *TS_clr_to_bottom; /* "cd" */ | |
209 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 210 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
211 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
212 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
213 | lines above scroll region, lines below it, | |
214 | total lines again) */ | |
215 | char *TS_del_char; /* "dc" */ | |
216 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
217 | char *TS_del_line; /* "dl" */ | |
218 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
219 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
220 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
221 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
222 | char *TS_ins_char; /* "ic" */ | |
223 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
224 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
225 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
226 | char *TS_end_keypad_mode; /* "ke" */ | |
227 | char *TS_keypad_mode; /* "ks" */ | |
a4decb7f KH |
228 | char *TS_bold_mode; /* "md" */ |
229 | char *TS_end_bold_mode; /* "me" */ | |
08a24c47 JB |
230 | char *TS_pad_char; /* "pc", char to use as padding */ |
231 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
232 | and character to be repeated) */ | |
233 | char *TS_end_standout_mode; /* "se" */ | |
234 | char *TS_fwd_scroll; /* "sf" */ | |
235 | char *TS_standout_mode; /* "so" */ | |
236 | char *TS_rev_scroll; /* "sr" */ | |
237 | char *TS_end_termcap_modes; /* "te" */ | |
238 | char *TS_termcap_modes; /* "ti" */ | |
a4decb7f KH |
239 | char *TS_end_underscore_mode; /* "ue" */ |
240 | char *TS_underscore_mode; /* "us" */ | |
08a24c47 JB |
241 | char *TS_visible_bell; /* "vb" */ |
242 | char *TS_end_visual_mode; /* "ve" */ | |
243 | char *TS_visual_mode; /* "vi" */ | |
244 | char *TS_set_window; /* "wi" (4 params, start and end of window, | |
245 | each as vpos and hpos) */ | |
246 | ||
247 | int TF_hazeltine; /* termcap hz flag. */ | |
248 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
249 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
250 | int TF_underscore; /* termcap ul flag: _ underlines if overstruck on | |
251 | nonblank position. Must clear before writing _. */ | |
252 | int TF_teleray; /* termcap xt flag: many weird consequences. | |
253 | For t1061. */ | |
254 | ||
255 | int TF_xs; /* Nonzero for "xs". If set together with | |
256 | TN_standout_width == 0, it means don't bother | |
257 | to write any end-standout cookies. */ | |
258 | ||
259 | int TN_standout_width; /* termcap sg number: width occupied by standout | |
260 | markers */ | |
261 | ||
262 | static int RPov; /* # chars to start a TS_repeat */ | |
263 | ||
264 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
265 | ||
266 | static int se_is_so; /* 1 if same string both enters and leaves | |
267 | standout mode */ | |
268 | ||
269 | /* internal state */ | |
270 | ||
8dd0c7cb RS |
271 | /* The largest frame width in any call to calculate_costs. */ |
272 | int max_frame_width; | |
273 | /* The largest frame height in any call to calculate_costs. */ | |
274 | int max_frame_height; | |
275 | ||
08a24c47 JB |
276 | /* Number of chars of space used for standout marker at beginning of line, |
277 | or'd with 0100. Zero if no standout marker at all. | |
8dd0c7cb | 278 | The length of these vectors is max_frame_height. |
08a24c47 JB |
279 | |
280 | Used IFF TN_standout_width >= 0. */ | |
281 | ||
282 | static char *chars_wasted; | |
283 | static char *copybuf; | |
284 | ||
285 | /* nonzero means supposed to write text in standout mode. */ | |
286 | int standout_requested; | |
287 | ||
288 | int insert_mode; /* Nonzero when in insert mode. */ | |
289 | int standout_mode; /* Nonzero when in standout mode. */ | |
290 | ||
291 | /* Size of window specified by higher levels. | |
ff11dfa1 | 292 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
293 | which can participate in insert-line/delete-line operations. |
294 | ||
ff11dfa1 | 295 | Effectively it excludes the bottom frame_height - specified_window_size |
08a24c47 JB |
296 | lines from those operations. */ |
297 | ||
298 | int specified_window; | |
299 | ||
ff11dfa1 | 300 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
301 | (Direct output does not count). */ |
302 | ||
ff11dfa1 | 303 | FRAME_PTR updating_frame; |
08a24c47 | 304 | |
07c57952 KH |
305 | /* Provided for lisp packages. */ |
306 | static int system_uses_terminfo; | |
307 | ||
08a24c47 | 308 | char *tparam (); |
e4bfb3b6 RS |
309 | |
310 | extern char *tgetstr (); | |
08a24c47 | 311 | \f |
cb28b9c2 RS |
312 | |
313 | #ifdef WINDOWSNT | |
314 | /* We aren't X windows, but we aren't termcap either. This makes me | |
315 | uncertain as to what value to use for frame.output_method. For | |
316 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
317 | output hooks get called instead of the termcap functions. Probably | |
318 | the best long-term solution is to define an output_windows_nt... */ | |
319 | ||
320 | #undef FRAME_TERMCAP_P | |
321 | #define FRAME_TERMCAP_P(_f_) 0 | |
322 | #endif /* WINDOWSNT */ | |
323 | ||
dfcf069d | 324 | void |
08a24c47 JB |
325 | ring_bell () |
326 | { | |
c291d9ef RS |
327 | if (! NILP (Vring_bell_function)) |
328 | { | |
329 | Lisp_Object function; | |
330 | ||
331 | /* Temporarily set the global variable to nil | |
332 | so that if we get an error, it stays nil | |
333 | and we don't call it over and over. | |
334 | ||
335 | We don't specbind it, because that would carefully | |
336 | restore the bad value if there's an error | |
337 | and make the loop of errors happen anyway. */ | |
338 | function = Vring_bell_function; | |
339 | Vring_bell_function = Qnil; | |
340 | ||
341 | call0 (function); | |
342 | ||
343 | Vring_bell_function = function; | |
344 | return; | |
345 | } | |
346 | ||
1820044b | 347 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
348 | { |
349 | (*ring_bell_hook) (); | |
350 | return; | |
351 | } | |
352 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
353 | } | |
354 | ||
dfcf069d | 355 | void |
08a24c47 JB |
356 | set_terminal_modes () |
357 | { | |
1820044b | 358 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 JB |
359 | { |
360 | (*set_terminal_modes_hook) (); | |
361 | return; | |
362 | } | |
363 | OUTPUT_IF (TS_termcap_modes); | |
364 | OUTPUT_IF (TS_visual_mode); | |
365 | OUTPUT_IF (TS_keypad_mode); | |
366 | losecursor (); | |
367 | } | |
368 | ||
dfcf069d | 369 | void |
08a24c47 JB |
370 | reset_terminal_modes () |
371 | { | |
1820044b | 372 | if (! FRAME_TERMCAP_P (selected_frame)) |
08a24c47 | 373 | { |
b3e1cb05 GV |
374 | if (reset_terminal_modes_hook) |
375 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
376 | return; |
377 | } | |
378 | if (TN_standout_width < 0) | |
379 | turn_off_highlight (); | |
380 | turn_off_insert (); | |
381 | OUTPUT_IF (TS_end_keypad_mode); | |
382 | OUTPUT_IF (TS_end_visual_mode); | |
383 | OUTPUT_IF (TS_end_termcap_modes); | |
384 | /* Output raw CR so kernel can track the cursor hpos. */ | |
385 | /* But on magic-cookie terminals this can erase an end-standout marker and | |
ff11dfa1 | 386 | cause the rest of the frame to be in standout, so move down first. */ |
08a24c47 JB |
387 | if (TN_standout_width >= 0) |
388 | cmputc ('\n'); | |
389 | cmputc ('\r'); | |
390 | } | |
391 | ||
dfcf069d | 392 | void |
ff11dfa1 JB |
393 | update_begin (f) |
394 | FRAME_PTR f; | |
08a24c47 | 395 | { |
ff11dfa1 | 396 | updating_frame = f; |
1820044b | 397 | if (! FRAME_TERMCAP_P (updating_frame)) |
ff11dfa1 | 398 | (*update_begin_hook) (f); |
08a24c47 JB |
399 | } |
400 | ||
dfcf069d | 401 | void |
ff11dfa1 JB |
402 | update_end (f) |
403 | FRAME_PTR f; | |
08a24c47 | 404 | { |
1820044b | 405 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 406 | { |
7a8e3e30 | 407 | (*update_end_hook) (f); |
cc4ee3c7 | 408 | updating_frame = 0; |
08a24c47 JB |
409 | return; |
410 | } | |
411 | turn_off_insert (); | |
412 | background_highlight (); | |
413 | standout_requested = 0; | |
ff11dfa1 | 414 | updating_frame = 0; |
08a24c47 JB |
415 | } |
416 | ||
dfcf069d | 417 | void |
08a24c47 JB |
418 | set_terminal_window (size) |
419 | int size; | |
420 | { | |
1820044b | 421 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
422 | { |
423 | (*set_terminal_window_hook) (size); | |
424 | return; | |
425 | } | |
ff11dfa1 | 426 | specified_window = size ? size : FRAME_HEIGHT (selected_frame); |
08a24c47 JB |
427 | if (!scroll_region_ok) |
428 | return; | |
429 | set_scroll_region (0, specified_window); | |
430 | } | |
431 | ||
dfcf069d | 432 | void |
08a24c47 JB |
433 | set_scroll_region (start, stop) |
434 | int start, stop; | |
435 | { | |
436 | char *buf; | |
437 | if (TS_set_scroll_region) | |
438 | { | |
439 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); | |
440 | } | |
441 | else if (TS_set_scroll_region_1) | |
442 | { | |
443 | buf = tparam (TS_set_scroll_region_1, 0, 0, | |
ff11dfa1 JB |
444 | FRAME_HEIGHT (selected_frame), start, |
445 | FRAME_HEIGHT (selected_frame) - stop, | |
446 | FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
447 | } |
448 | else | |
449 | { | |
ff11dfa1 | 450 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
451 | } |
452 | OUTPUT (buf); | |
9ac0d9e0 | 453 | xfree (buf); |
08a24c47 JB |
454 | losecursor (); |
455 | } | |
456 | \f | |
dfcf069d | 457 | void |
08a24c47 JB |
458 | turn_on_insert () |
459 | { | |
460 | if (!insert_mode) | |
461 | OUTPUT (TS_insert_mode); | |
462 | insert_mode = 1; | |
463 | } | |
464 | ||
dfcf069d | 465 | void |
08a24c47 JB |
466 | turn_off_insert () |
467 | { | |
468 | if (insert_mode) | |
469 | OUTPUT (TS_end_insert_mode); | |
470 | insert_mode = 0; | |
471 | } | |
472 | \f | |
473 | /* Handle highlighting when TN_standout_width (termcap sg) is not specified. | |
474 | In these terminals, output is affected by the value of standout | |
475 | mode when the output is written. | |
476 | ||
477 | These functions are called on all terminals, but do nothing | |
478 | on terminals whose standout mode does not work that way. */ | |
479 | ||
dfcf069d | 480 | void |
08a24c47 JB |
481 | turn_off_highlight () |
482 | { | |
483 | if (TN_standout_width < 0) | |
484 | { | |
485 | if (standout_mode) | |
486 | OUTPUT_IF (TS_end_standout_mode); | |
487 | standout_mode = 0; | |
488 | } | |
489 | } | |
490 | ||
dfcf069d | 491 | void |
08a24c47 JB |
492 | turn_on_highlight () |
493 | { | |
494 | if (TN_standout_width < 0) | |
495 | { | |
496 | if (!standout_mode) | |
497 | OUTPUT_IF (TS_standout_mode); | |
498 | standout_mode = 1; | |
499 | } | |
500 | } | |
501 | ||
502 | /* Set standout mode to the state it should be in for | |
503 | empty space inside windows. What this is, | |
504 | depends on the user option inverse-video. */ | |
505 | ||
dfcf069d | 506 | void |
08a24c47 JB |
507 | background_highlight () |
508 | { | |
509 | if (TN_standout_width >= 0) | |
510 | return; | |
511 | if (inverse_video) | |
512 | turn_on_highlight (); | |
513 | else | |
514 | turn_off_highlight (); | |
515 | } | |
516 | ||
517 | /* Set standout mode to the mode specified for the text to be output. */ | |
518 | ||
dfcf069d | 519 | static void |
08a24c47 JB |
520 | highlight_if_desired () |
521 | { | |
522 | if (TN_standout_width >= 0) | |
523 | return; | |
524 | if (!inverse_video == !standout_requested) | |
525 | turn_off_highlight (); | |
526 | else | |
527 | turn_on_highlight (); | |
528 | } | |
529 | \f | |
530 | /* Handle standout mode for terminals in which TN_standout_width >= 0. | |
531 | On these terminals, standout is controlled by markers that | |
ff11dfa1 | 532 | live inside the terminal's memory. TN_standout_width is the width |
08a24c47 JB |
533 | that the marker occupies in memory. Standout runs from the marker |
534 | to the end of the line on some terminals, or to the next | |
535 | turn-off-standout marker (TS_end_standout_mode) string | |
536 | on other terminals. */ | |
537 | ||
538 | /* Write a standout marker or end-standout marker at the front of the line | |
539 | at vertical position vpos. */ | |
540 | ||
dfcf069d | 541 | void |
08a24c47 JB |
542 | write_standout_marker (flag, vpos) |
543 | int flag, vpos; | |
544 | { | |
545 | if (flag || (TS_end_standout_mode && !TF_teleray && !se_is_so | |
546 | && !(TF_xs && TN_standout_width == 0))) | |
547 | { | |
548 | cmgoto (vpos, 0); | |
549 | cmplus (TN_standout_width); | |
550 | OUTPUT (flag ? TS_standout_mode : TS_end_standout_mode); | |
551 | chars_wasted[curY] = TN_standout_width | 0100; | |
552 | } | |
553 | } | |
554 | \f | |
555 | /* External interface to control of standout mode. | |
556 | Call this when about to modify line at position VPOS | |
557 | and not change whether it is highlighted. */ | |
558 | ||
dfcf069d | 559 | void |
08a24c47 JB |
560 | reassert_line_highlight (highlight, vpos) |
561 | int highlight; | |
562 | int vpos; | |
563 | { | |
1820044b | 564 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
565 | { |
566 | (*reassert_line_highlight_hook) (highlight, vpos); | |
567 | return; | |
568 | } | |
569 | if (TN_standout_width < 0) | |
570 | /* Handle terminals where standout takes affect at output time */ | |
571 | standout_requested = highlight; | |
572 | else if (chars_wasted[vpos] == 0) | |
573 | /* For terminals with standout markers, write one on this line | |
574 | if there isn't one already. */ | |
575 | write_standout_marker (highlight, vpos); | |
576 | } | |
577 | ||
578 | /* Call this when about to modify line at position VPOS | |
579 | and change whether it is highlighted. */ | |
580 | ||
dfcf069d | 581 | void |
08a24c47 JB |
582 | change_line_highlight (new_highlight, vpos, first_unused_hpos) |
583 | int new_highlight, vpos, first_unused_hpos; | |
584 | { | |
585 | standout_requested = new_highlight; | |
1820044b | 586 | if (! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
587 | { |
588 | (*change_line_highlight_hook) (new_highlight, vpos, first_unused_hpos); | |
589 | return; | |
590 | } | |
591 | ||
592 | cursor_to (vpos, 0); | |
593 | ||
594 | if (TN_standout_width < 0) | |
595 | background_highlight (); | |
596 | /* If line starts with a marker, delete the marker */ | |
597 | else if (TS_clr_line && chars_wasted[curY]) | |
598 | { | |
599 | turn_off_insert (); | |
600 | /* On Teleray, make sure to erase the SO marker. */ | |
601 | if (TF_teleray) | |
602 | { | |
ff11dfa1 | 603 | cmgoto (curY - 1, FRAME_WIDTH (selected_frame) - 4); |
08a24c47 JB |
604 | OUTPUT ("\033S"); |
605 | curY++; /* ESC S moves to next line where the TS_standout_mode was */ | |
606 | curX = 0; | |
607 | } | |
608 | else | |
609 | cmgoto (curY, 0); /* reposition to kill standout marker */ | |
610 | } | |
611 | clear_end_of_line_raw (first_unused_hpos); | |
612 | reassert_line_highlight (new_highlight, curY); | |
613 | } | |
614 | \f | |
615 | ||
616 | /* Move to absolute position, specified origin 0 */ | |
617 | ||
dfcf069d | 618 | void |
08a24c47 | 619 | cursor_to (row, col) |
4746118a | 620 | int row, col; |
08a24c47 | 621 | { |
1820044b | 622 | if (! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
623 | ? updating_frame |
624 | : selected_frame)) | |
08a24c47 JB |
625 | && cursor_to_hook) |
626 | { | |
627 | (*cursor_to_hook) (row, col); | |
628 | return; | |
629 | } | |
630 | ||
36cae867 KH |
631 | /* Detect the case where we are called from reset_sys_modes |
632 | and the costs have never been calculated. Do nothing. */ | |
633 | if (chars_wasted == 0) | |
634 | return; | |
635 | ||
08a24c47 JB |
636 | col += chars_wasted[row] & 077; |
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 | ||
646 | /* Similar but don't take any account of the wasted characters. */ | |
647 | ||
dfcf069d | 648 | void |
08a24c47 | 649 | raw_cursor_to (row, col) |
4746118a | 650 | int row, col; |
08a24c47 | 651 | { |
1820044b | 652 | if (! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
653 | { |
654 | (*raw_cursor_to_hook) (row, col); | |
655 | return; | |
656 | } | |
657 | if (curY == row && curX == col) | |
658 | return; | |
659 | if (!TF_standout_motion) | |
660 | background_highlight (); | |
661 | if (!TF_insmode_motion) | |
662 | turn_off_insert (); | |
663 | cmgoto (row, col); | |
664 | } | |
665 | \f | |
666 | /* Erase operations */ | |
667 | ||
ff11dfa1 | 668 | /* clear from cursor to end of frame */ |
dfcf069d | 669 | void |
08a24c47 JB |
670 | clear_to_end () |
671 | { | |
672 | register int i; | |
673 | ||
759d9005 | 674 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
675 | { |
676 | (*clear_to_end_hook) (); | |
677 | return; | |
678 | } | |
679 | if (TS_clr_to_bottom) | |
680 | { | |
681 | background_highlight (); | |
682 | OUTPUT (TS_clr_to_bottom); | |
ff11dfa1 | 683 | bzero (chars_wasted + curY, FRAME_HEIGHT (selected_frame) - curY); |
08a24c47 JB |
684 | } |
685 | else | |
686 | { | |
ff11dfa1 | 687 | for (i = curY; i < FRAME_HEIGHT (selected_frame); i++) |
08a24c47 JB |
688 | { |
689 | cursor_to (i, 0); | |
ff11dfa1 | 690 | clear_end_of_line_raw (FRAME_WIDTH (selected_frame)); |
08a24c47 JB |
691 | } |
692 | } | |
693 | } | |
694 | ||
ff11dfa1 | 695 | /* Clear entire frame */ |
08a24c47 | 696 | |
dfcf069d | 697 | void |
ff11dfa1 | 698 | clear_frame () |
08a24c47 | 699 | { |
ff11dfa1 | 700 | if (clear_frame_hook |
1820044b | 701 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 | 702 | { |
ff11dfa1 | 703 | (*clear_frame_hook) (); |
08a24c47 JB |
704 | return; |
705 | } | |
ff11dfa1 | 706 | if (TS_clr_frame) |
08a24c47 JB |
707 | { |
708 | background_highlight (); | |
ff11dfa1 JB |
709 | OUTPUT (TS_clr_frame); |
710 | bzero (chars_wasted, FRAME_HEIGHT (selected_frame)); | |
08a24c47 JB |
711 | cmat (0, 0); |
712 | } | |
713 | else | |
714 | { | |
715 | cursor_to (0, 0); | |
716 | clear_to_end (); | |
717 | } | |
718 | } | |
719 | ||
720 | /* Clear to end of line, but do not clear any standout marker. | |
721 | Assumes that the cursor is positioned at a character of real text, | |
722 | which implies it cannot be before a standout marker | |
723 | unless the marker has zero width. | |
724 | ||
725 | Note that the cursor may be moved. */ | |
726 | ||
dfcf069d | 727 | void |
08a24c47 JB |
728 | clear_end_of_line (first_unused_hpos) |
729 | int first_unused_hpos; | |
730 | { | |
a796ac82 | 731 | static GLYPH buf = SPACEGLYPH; |
1820044b | 732 | if (FRAME_TERMCAP_P (selected_frame) |
36cae867 | 733 | && chars_wasted != 0 |
08a24c47 | 734 | && TN_standout_width == 0 && curX == 0 && chars_wasted[curY] != 0) |
a796ac82 | 735 | write_glyphs (&buf, 1); |
08a24c47 JB |
736 | clear_end_of_line_raw (first_unused_hpos); |
737 | } | |
738 | ||
739 | /* Clear from cursor to end of line. | |
740 | Assume that the line is already clear starting at column first_unused_hpos. | |
741 | If the cursor is at a standout marker, erase the marker. | |
742 | ||
743 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
744 | ||
dfcf069d | 745 | void |
08a24c47 JB |
746 | clear_end_of_line_raw (first_unused_hpos) |
747 | int first_unused_hpos; | |
748 | { | |
749 | register int i; | |
750 | ||
751 | if (clear_end_of_line_hook | |
1820044b | 752 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 JB |
753 | ? updating_frame |
754 | : selected_frame))) | |
08a24c47 JB |
755 | { |
756 | (*clear_end_of_line_hook) (first_unused_hpos); | |
757 | return; | |
758 | } | |
759 | ||
36cae867 KH |
760 | /* Detect the case where we are called from reset_sys_modes |
761 | and the costs have never been calculated. Do nothing. */ | |
762 | if (chars_wasted == 0) | |
763 | return; | |
764 | ||
08a24c47 JB |
765 | first_unused_hpos += chars_wasted[curY] & 077; |
766 | if (curX >= first_unused_hpos) | |
767 | return; | |
768 | /* Notice if we are erasing a magic cookie */ | |
769 | if (curX == 0) | |
770 | chars_wasted[curY] = 0; | |
771 | background_highlight (); | |
772 | if (TS_clr_line) | |
773 | { | |
774 | OUTPUT1 (TS_clr_line); | |
775 | } | |
776 | else | |
777 | { /* have to do it the hard way */ | |
778 | turn_off_insert (); | |
779 | ||
780 | /* Do not write in last row last col with Autowrap on. */ | |
ff11dfa1 JB |
781 | if (AutoWrap && curY == FRAME_HEIGHT (selected_frame) - 1 |
782 | && first_unused_hpos == FRAME_WIDTH (selected_frame)) | |
08a24c47 JB |
783 | first_unused_hpos--; |
784 | ||
785 | for (i = curX; i < first_unused_hpos; i++) | |
786 | { | |
787 | if (termscript) | |
788 | fputc (' ', termscript); | |
789 | putchar (' '); | |
790 | } | |
791 | cmplus (first_unused_hpos - curX); | |
792 | } | |
793 | } | |
794 | \f | |
a4decb7f KH |
795 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and |
796 | store them at DST. Do not write more than DST_LEN bytes. That may | |
797 | require stopping before all SRC_LEN input glyphs have been | |
798 | converted. | |
799 | ||
800 | We store the number of glyphs actually converted in *CONSUMED. The | |
801 | return value is the number of bytes store in DST. */ | |
802 | ||
803 | int | |
804 | encode_terminal_code (src, dst, src_len, dst_len, consumed) | |
805 | GLYPH *src; | |
806 | int src_len; | |
807 | unsigned char *dst; | |
808 | int dst_len, *consumed; | |
809 | { | |
810 | GLYPH *src_start = src, *src_end = src + src_len; | |
811 | unsigned char *dst_start = dst, *dst_end = dst + dst_len; | |
085d5908 KH |
812 | register GLYPH g; |
813 | unsigned int c; | |
a4decb7f | 814 | unsigned char workbuf[4], *buf; |
6589fd67 | 815 | int len; |
a4decb7f KH |
816 | register int tlen = GLYPH_TABLE_LENGTH; |
817 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 KH |
818 | struct coding_system *coding; |
819 | ||
820 | coding = (CODING_REQUIRE_ENCODING (&terminal_coding) | |
821 | ? &terminal_coding | |
822 | : &safe_terminal_coding); | |
a4decb7f KH |
823 | |
824 | while (src < src_end) | |
825 | { | |
826 | g = *src; | |
827 | /* We must skip glyphs to be padded for a wide character. */ | |
828 | if (! (g & GLYPH_MASK_PADDING)) | |
829 | { | |
085d5908 KH |
830 | if ((c = GLYPH_CHAR (selected_frame, g)) > MAX_CHAR) |
831 | { | |
832 | c = ' '; | |
833 | g = MAKE_GLYPH (selected_frame, c, | |
834 | GLYPH_FACE (selected_frame, g)); | |
835 | } | |
a4decb7f KH |
836 | if (COMPOSITE_CHAR_P (c)) |
837 | { | |
838 | /* If C is a composite character, we can display | |
839 | only the first component. */ | |
840 | g = cmpchar_table[COMPOSITE_CHAR_ID (c)]->glyph[0], | |
841 | c = GLYPH_CHAR (selected_frame, g); | |
842 | } | |
843 | if (c < tlen) | |
844 | { | |
845 | /* G has an entry in Vglyph_table, | |
846 | so process any alias before testing for simpleness. */ | |
847 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
848 | c = GLYPH_CHAR (selected_frame, g); | |
849 | } | |
850 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
851 | /* We set the multi-byte form of C at BUF. */ | |
852 | len = CHAR_STRING (c, workbuf, buf); | |
853 | else | |
171d7f24 RS |
854 | { |
855 | /* We have a string in Vglyph_table. */ | |
856 | len = GLYPH_LENGTH (tbase, g); | |
857 | buf = GLYPH_STRING (tbase, g); | |
858 | } | |
a4decb7f | 859 | |
6589fd67 KH |
860 | encode_coding (coding, buf, dst, len, dst_end - dst); |
861 | if (coding->consumed < len) | |
a4decb7f KH |
862 | /* We get a carryover because the remaining output |
863 | buffer is too short. We must break the loop here | |
864 | without increasing SRC so that the next call of | |
865 | this function start from the same glyph. */ | |
866 | break; | |
6589fd67 | 867 | dst += coding->produced; |
a4decb7f KH |
868 | } |
869 | src++; | |
870 | } | |
871 | *consumed = src - src_start; | |
872 | return (dst - dst_start); | |
873 | } | |
874 | ||
08a24c47 | 875 | |
dfcf069d | 876 | void |
08a24c47 JB |
877 | write_glyphs (string, len) |
878 | register GLYPH *string; | |
879 | register int len; | |
880 | { | |
881 | register GLYPH g; | |
882 | register int tlen = GLYPH_TABLE_LENGTH; | |
883 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
a4decb7f | 884 | int produced, consumed; |
08a24c47 JB |
885 | |
886 | if (write_glyphs_hook | |
1820044b | 887 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : selected_frame))) |
08a24c47 JB |
888 | { |
889 | (*write_glyphs_hook) (string, len); | |
890 | return; | |
891 | } | |
892 | ||
893 | highlight_if_desired (); | |
894 | turn_off_insert (); | |
895 | ||
896 | /* Don't dare write in last column of bottom line, if AutoWrap, | |
ff11dfa1 | 897 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
898 | |
899 | if (AutoWrap | |
ff11dfa1 | 900 | && curY + 1 == FRAME_HEIGHT (selected_frame) |
08a24c47 | 901 | && (curX + len - (chars_wasted[curY] & 077) |
ff11dfa1 | 902 | == FRAME_WIDTH (selected_frame))) |
08a24c47 | 903 | len --; |
a4decb7f KH |
904 | if (len <= 0) |
905 | return; | |
08a24c47 JB |
906 | |
907 | cmplus (len); | |
6589fd67 KH |
908 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
909 | the tail. */ | |
910 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
a4decb7f | 911 | while (len > 0) |
08a24c47 | 912 | { |
a4decb7f KH |
913 | /* We use shared conversion buffer of the current size (1024 |
914 | bytes at least). Usually it is sufficient, but if not, we | |
915 | just repeat the loop. */ | |
916 | produced = encode_terminal_code (string, conversion_buffer, | |
917 | len, conversion_buffer_size, &consumed); | |
918 | if (produced > 0) | |
08a24c47 | 919 | { |
a4decb7f | 920 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
921 | if (ferror (stdout)) |
922 | clearerr (stdout); | |
923 | if (termscript) | |
a4decb7f | 924 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 | 925 | } |
a4decb7f KH |
926 | len -= consumed; |
927 | string += consumed; | |
928 | } | |
929 | /* We may have to output some codes to terminate the writing. */ | |
ca1e6a13 | 930 | if (CODING_REQUIRE_FLUSHING (&terminal_coding)) |
a4decb7f | 931 | { |
6589fd67 KH |
932 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
933 | encode_coding (&terminal_coding, (char *)0, conversion_buffer, | |
934 | 0, conversion_buffer_size); | |
935 | if (terminal_coding.produced > 0) | |
df8bf431 | 936 | { |
6589fd67 | 937 | fwrite (conversion_buffer, 1, terminal_coding.produced, stdout); |
df8bf431 KH |
938 | if (ferror (stdout)) |
939 | clearerr (stdout); | |
940 | if (termscript) | |
6589fd67 KH |
941 | fwrite (conversion_buffer, 1, terminal_coding.produced, |
942 | termscript); | |
df8bf431 | 943 | } |
08a24c47 | 944 | } |
9a6b6f92 | 945 | cmcheckmagic (); |
08a24c47 JB |
946 | } |
947 | ||
948 | /* If start is zero, insert blanks instead of a string at start */ | |
949 | ||
dfcf069d | 950 | void |
08a24c47 JB |
951 | insert_glyphs (start, len) |
952 | register GLYPH *start; | |
953 | register int len; | |
954 | { | |
955 | char *buf; | |
a4decb7f | 956 | GLYPH g; |
08a24c47 JB |
957 | register int tlen = GLYPH_TABLE_LENGTH; |
958 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
959 | ||
a4decb7f KH |
960 | if (len <= 0) |
961 | return; | |
962 | ||
1820044b | 963 | if (insert_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
964 | { |
965 | (*insert_glyphs_hook) (start, len); | |
966 | return; | |
967 | } | |
968 | highlight_if_desired (); | |
969 | ||
970 | if (TS_ins_multi_chars) | |
971 | { | |
972 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
973 | OUTPUT1 (buf); | |
9ac0d9e0 | 974 | xfree (buf); |
08a24c47 JB |
975 | if (start) |
976 | write_glyphs (start, len); | |
977 | return; | |
978 | } | |
979 | ||
980 | turn_on_insert (); | |
981 | cmplus (len); | |
6589fd67 KH |
982 | /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */ |
983 | terminal_coding.mode &= ~CODING_MODE_LAST_BLOCK; | |
07109bf9 | 984 | while (len-- > 0) |
08a24c47 | 985 | { |
a4decb7f KH |
986 | int produced, consumed; |
987 | ||
08a24c47 JB |
988 | OUTPUT1_IF (TS_ins_char); |
989 | if (!start) | |
990 | g = SPACEGLYPH; | |
991 | else | |
08a24c47 | 992 | { |
a4decb7f KH |
993 | g = *start++; |
994 | /* We must open sufficient space for a character which | |
995 | occupies more than one column. */ | |
f3c6bfa2 | 996 | while (*start & GLYPH_MASK_PADDING) |
a4decb7f KH |
997 | { |
998 | OUTPUT1_IF (TS_ins_char); | |
999 | start++, len--; | |
1000 | } | |
08a24c47 | 1001 | } |
a4decb7f KH |
1002 | |
1003 | if (len <= 0) | |
1004 | /* This is the last glyph. */ | |
6589fd67 | 1005 | terminal_coding.mode |= CODING_MODE_LAST_BLOCK; |
a4decb7f KH |
1006 | |
1007 | /* We use shared conversion buffer of the current size (1024 | |
1008 | bytes at least). It is surely sufficient for just one glyph. */ | |
1009 | produced = encode_terminal_code (&g, conversion_buffer, | |
1010 | 1, conversion_buffer_size, &consumed); | |
1011 | if (produced > 0) | |
08a24c47 | 1012 | { |
a4decb7f | 1013 | fwrite (conversion_buffer, 1, produced, stdout); |
08a24c47 JB |
1014 | if (ferror (stdout)) |
1015 | clearerr (stdout); | |
1016 | if (termscript) | |
a4decb7f | 1017 | fwrite (conversion_buffer, 1, produced, termscript); |
08a24c47 JB |
1018 | } |
1019 | ||
9a6b6f92 KH |
1020 | OUTPUT1_IF (TS_pad_inserted_char); |
1021 | } | |
1022 | cmcheckmagic (); | |
08a24c47 JB |
1023 | } |
1024 | ||
dfcf069d | 1025 | void |
08a24c47 JB |
1026 | delete_glyphs (n) |
1027 | register int n; | |
1028 | { | |
1029 | char *buf; | |
1030 | register int i; | |
1031 | ||
1820044b | 1032 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1033 | { |
1034 | (*delete_glyphs_hook) (n); | |
1035 | return; | |
1036 | } | |
1037 | ||
1038 | if (delete_in_insert_mode) | |
1039 | { | |
1040 | turn_on_insert (); | |
1041 | } | |
1042 | else | |
1043 | { | |
1044 | turn_off_insert (); | |
1045 | OUTPUT_IF (TS_delete_mode); | |
1046 | } | |
1047 | ||
1048 | if (TS_del_multi_chars) | |
1049 | { | |
1050 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1051 | OUTPUT1 (buf); | |
9ac0d9e0 | 1052 | xfree (buf); |
08a24c47 JB |
1053 | } |
1054 | else | |
1055 | for (i = 0; i < n; i++) | |
1056 | OUTPUT1 (TS_del_char); | |
1057 | if (!delete_in_insert_mode) | |
1058 | OUTPUT_IF (TS_end_delete_mode); | |
1059 | } | |
1060 | \f | |
1061 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1062 | ||
dfcf069d | 1063 | void |
08a24c47 JB |
1064 | ins_del_lines (vpos, n) |
1065 | int vpos, n; | |
1066 | { | |
1067 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1068 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1069 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
1070 | ||
1071 | register int i = n > 0 ? n : -n; | |
1072 | register char *buf; | |
1073 | ||
1820044b | 1074 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1075 | { |
1076 | (*ins_del_lines_hook) (vpos, n); | |
1077 | return; | |
1078 | } | |
1079 | ||
1080 | /* If the lines below the insertion are being pushed | |
1081 | into the end of the window, this is the same as clearing; | |
1082 | and we know the lines are already clear, since the matching | |
1083 | deletion has already been done. So can ignore this. */ | |
1084 | /* If the lines below the deletion are blank lines coming | |
1085 | out of the end of the window, don't bother, | |
1086 | as there will be a matching inslines later that will flush them. */ | |
1087 | if (scroll_region_ok && vpos + i >= specified_window) | |
1088 | return; | |
ff11dfa1 | 1089 | if (!memory_below_frame && vpos + i >= FRAME_HEIGHT (selected_frame)) |
08a24c47 JB |
1090 | return; |
1091 | ||
1092 | if (multi) | |
1093 | { | |
1094 | raw_cursor_to (vpos, 0); | |
1095 | background_highlight (); | |
1096 | buf = tparam (multi, 0, 0, i); | |
1097 | OUTPUT (buf); | |
9ac0d9e0 | 1098 | xfree (buf); |
08a24c47 JB |
1099 | } |
1100 | else if (single) | |
1101 | { | |
1102 | raw_cursor_to (vpos, 0); | |
1103 | background_highlight (); | |
1104 | while (--i >= 0) | |
1105 | OUTPUT (single); | |
1106 | if (TF_teleray) | |
1107 | curX = 0; | |
1108 | } | |
1109 | else | |
1110 | { | |
1111 | set_scroll_region (vpos, specified_window); | |
1112 | if (n < 0) | |
1113 | raw_cursor_to (specified_window - 1, 0); | |
1114 | else | |
1115 | raw_cursor_to (vpos, 0); | |
1116 | background_highlight (); | |
1117 | while (--i >= 0) | |
1118 | OUTPUTL (scroll, specified_window - vpos); | |
1119 | set_scroll_region (0, specified_window); | |
1120 | } | |
1121 | ||
1122 | if (TN_standout_width >= 0) | |
1123 | { | |
dfcf069d | 1124 | register int lower_limit |
08a24c47 JB |
1125 | = (scroll_region_ok |
1126 | ? specified_window | |
ff11dfa1 | 1127 | : FRAME_HEIGHT (selected_frame)); |
08a24c47 JB |
1128 | |
1129 | if (n < 0) | |
1130 | { | |
1131 | bcopy (&chars_wasted[vpos - n], &chars_wasted[vpos], | |
1132 | lower_limit - vpos + n); | |
1133 | bzero (&chars_wasted[lower_limit + n], - n); | |
1134 | } | |
1135 | else | |
1136 | { | |
1137 | bcopy (&chars_wasted[vpos], ©buf[vpos], lower_limit - vpos - n); | |
1138 | bcopy (©buf[vpos], &chars_wasted[vpos + n], | |
1139 | lower_limit - vpos - n); | |
1140 | bzero (&chars_wasted[vpos], n); | |
1141 | } | |
1142 | } | |
ff11dfa1 | 1143 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1144 | { |
ff11dfa1 | 1145 | cursor_to (FRAME_HEIGHT (selected_frame) + n, 0); |
08a24c47 JB |
1146 | clear_to_end (); |
1147 | } | |
1148 | } | |
1149 | \f | |
1150 | /* Compute cost of sending "str", in characters, | |
1151 | not counting any line-dependent padding. */ | |
1152 | ||
1153 | int | |
1154 | string_cost (str) | |
1155 | char *str; | |
1156 | { | |
1157 | cost = 0; | |
1158 | if (str) | |
1159 | tputs (str, 0, evalcost); | |
1160 | return cost; | |
1161 | } | |
1162 | ||
1163 | /* Compute cost of sending "str", in characters, | |
1164 | counting any line-dependent padding at one line. */ | |
1165 | ||
1166 | static int | |
1167 | string_cost_one_line (str) | |
1168 | char *str; | |
1169 | { | |
1170 | cost = 0; | |
1171 | if (str) | |
1172 | tputs (str, 1, evalcost); | |
1173 | return cost; | |
1174 | } | |
1175 | ||
1176 | /* Compute per line amount of line-dependent padding, | |
1177 | in tenths of characters. */ | |
1178 | ||
1179 | int | |
1180 | per_line_cost (str) | |
1181 | register char *str; | |
1182 | { | |
1183 | cost = 0; | |
1184 | if (str) | |
1185 | tputs (str, 0, evalcost); | |
1186 | cost = - cost; | |
1187 | if (str) | |
1188 | tputs (str, 10, evalcost); | |
1189 | return cost; | |
1190 | } | |
1191 | ||
1192 | #ifndef old | |
1193 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb RS |
1194 | char_ins_del_cost[-n] is cost of deleting N characters. |
1195 | The length of this vector is based on max_frame_width. */ | |
08a24c47 JB |
1196 | |
1197 | int *char_ins_del_vector; | |
1198 | ||
ff11dfa1 | 1199 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_WIDTH ((f))]) |
08a24c47 JB |
1200 | #endif |
1201 | ||
1202 | /* ARGSUSED */ | |
1203 | static void | |
ff11dfa1 JB |
1204 | calculate_ins_del_char_costs (frame) |
1205 | FRAME_PTR frame; | |
08a24c47 JB |
1206 | { |
1207 | int ins_startup_cost, del_startup_cost; | |
1208 | int ins_cost_per_char, del_cost_per_char; | |
1209 | register int i; | |
1210 | register int *p; | |
1211 | ||
1212 | if (TS_ins_multi_chars) | |
1213 | { | |
1214 | ins_cost_per_char = 0; | |
1215 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1216 | } | |
1217 | else if (TS_ins_char || TS_pad_inserted_char | |
1218 | || (TS_insert_mode && TS_end_insert_mode)) | |
1219 | { | |
1220 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1221 | + string_cost (TS_end_insert_mode))) / 100; | |
1222 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1223 | + string_cost_one_line (TS_pad_inserted_char)); | |
1224 | } | |
1225 | else | |
1226 | { | |
1227 | ins_startup_cost = 9999; | |
1228 | ins_cost_per_char = 0; | |
1229 | } | |
1230 | ||
1231 | if (TS_del_multi_chars) | |
1232 | { | |
1233 | del_cost_per_char = 0; | |
1234 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1235 | } | |
1236 | else if (TS_del_char) | |
1237 | { | |
1238 | del_startup_cost = (string_cost (TS_delete_mode) | |
1239 | + string_cost (TS_end_delete_mode)); | |
1240 | if (delete_in_insert_mode) | |
1241 | del_startup_cost /= 2; | |
1242 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1243 | } | |
1244 | else | |
1245 | { | |
1246 | del_startup_cost = 9999; | |
1247 | del_cost_per_char = 0; | |
1248 | } | |
1249 | ||
1250 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1251 | p = &char_ins_del_cost (frame)[0]; |
db71d414 | 1252 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1253 | *--p = (del_startup_cost += del_cost_per_char); |
1254 | ||
1255 | /* Doing nothing is free */ | |
ff11dfa1 | 1256 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1257 | *p++ = 0; |
1258 | ||
1259 | /* Insert costs are at positive offsets */ | |
ff11dfa1 | 1260 | for (i = FRAME_WIDTH (frame); --i >= 0;) |
08a24c47 JB |
1261 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1262 | } | |
1263 | ||
dfcf069d | 1264 | void |
ff11dfa1 JB |
1265 | calculate_costs (frame) |
1266 | FRAME_PTR frame; | |
08a24c47 | 1267 | { |
9f732a77 RS |
1268 | register char *f = (TS_set_scroll_region |
1269 | ? TS_set_scroll_region | |
1270 | : TS_set_scroll_region_1); | |
08a24c47 | 1271 | |
9f732a77 | 1272 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1273 | |
be7cd44f | 1274 | scroll_region_cost = string_cost (f); |
08a24c47 | 1275 | #ifdef HAVE_X_WINDOWS |
1820044b | 1276 | if (FRAME_X_P (frame)) |
08a24c47 | 1277 | { |
ff11dfa1 | 1278 | do_line_insertion_deletion_costs (frame, 0, ".5*", 0, ".5*", |
7dac35c8 RS |
1279 | 0, 0, |
1280 | x_screen_planes (frame)); | |
be7cd44f | 1281 | scroll_region_cost = 0; |
08a24c47 JB |
1282 | return; |
1283 | } | |
1284 | #endif | |
1285 | ||
1286 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1287 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1288 | |
1289 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
1290 | X turns off char_ins_del_ok. | |
1291 | ||
1292 | chars_wasted and copybuf are only used here in term.c in cases where | |
1293 | the term hook isn't called. */ | |
1294 | ||
8dd0c7cb RS |
1295 | max_frame_height = max (max_frame_height, FRAME_HEIGHT (frame)); |
1296 | max_frame_width = max (max_frame_width, FRAME_WIDTH (frame)); | |
1297 | ||
08a24c47 | 1298 | if (chars_wasted != 0) |
8dd0c7cb | 1299 | chars_wasted = (char *) xrealloc (chars_wasted, max_frame_height); |
08a24c47 | 1300 | else |
8dd0c7cb | 1301 | chars_wasted = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1302 | |
1303 | if (copybuf != 0) | |
8dd0c7cb | 1304 | copybuf = (char *) xrealloc (copybuf, max_frame_height); |
08a24c47 | 1305 | else |
8dd0c7cb | 1306 | copybuf = (char *) xmalloc (max_frame_height); |
08a24c47 JB |
1307 | |
1308 | if (char_ins_del_vector != 0) | |
1309 | char_ins_del_vector | |
1310 | = (int *) xrealloc (char_ins_del_vector, | |
1311 | (sizeof (int) | |
8dd0c7cb | 1312 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 JB |
1313 | else |
1314 | char_ins_del_vector | |
1315 | = (int *) xmalloc (sizeof (int) | |
8dd0c7cb | 1316 | + 2 * max_frame_width * sizeof (int)); |
08a24c47 | 1317 | |
8dd0c7cb RS |
1318 | bzero (chars_wasted, max_frame_height); |
1319 | bzero (copybuf, max_frame_height); | |
08a24c47 | 1320 | bzero (char_ins_del_vector, (sizeof (int) |
8dd0c7cb | 1321 | + 2 * max_frame_width * sizeof (int))); |
08a24c47 | 1322 | |
ff11dfa1 JB |
1323 | if (f && (!TS_ins_line && !TS_del_line)) |
1324 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1325 | TS_rev_scroll, TS_ins_multi_lines, |
1326 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1327 | f, f, 1); |
08a24c47 | 1328 | else |
ff11dfa1 | 1329 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1330 | TS_ins_line, TS_ins_multi_lines, |
1331 | TS_del_line, TS_del_multi_lines, | |
1332 | 0, 0, 1); | |
1333 | ||
ff11dfa1 | 1334 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1335 | |
1336 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1337 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1338 | RPov = string_cost (TS_repeat); | |
1339 | else | |
ff11dfa1 | 1340 | RPov = FRAME_WIDTH (frame) * 2; |
08a24c47 JB |
1341 | |
1342 | cmcostinit (); /* set up cursor motion costs */ | |
1343 | } | |
1344 | \f | |
a796ac82 JB |
1345 | struct fkey_table { |
1346 | char *cap, *name; | |
1347 | }; | |
1348 | ||
01d8deb0 ER |
1349 | /* Termcap capability names that correspond directly to X keysyms. |
1350 | Some of these (marked "terminfo") aren't supplied by old-style | |
1351 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1352 | except we put the keypad keys first, so that if they clash with | |
1353 | other keys (as on the IBM PC keyboard) they get overridden. | |
1354 | */ | |
1355 | ||
a796ac82 | 1356 | static struct fkey_table keys[] = { |
01d8deb0 ER |
1357 | "kh", "home", /* termcap */ |
1358 | "kl", "left", /* termcap */ | |
1359 | "ku", "up", /* termcap */ | |
1360 | "kr", "right", /* termcap */ | |
1361 | "kd", "down", /* termcap */ | |
1362 | "%8", "prior", /* terminfo */ | |
1363 | "%5", "next", /* terminfo */ | |
1364 | "@7", "end", /* terminfo */ | |
1365 | "@1", "begin", /* terminfo */ | |
1366 | "*6", "select", /* terminfo */ | |
1367 | "%9", "print", /* terminfo */ | |
1368 | "@4", "execute", /* terminfo --- actually the `command' key */ | |
1369 | /* | |
1370 | * "insert" --- see below | |
1371 | */ | |
1372 | "&8", "undo", /* terminfo */ | |
1373 | "%0", "redo", /* terminfo */ | |
1374 | "%7", "menu", /* terminfo --- actually the `options' key */ | |
1375 | "@0", "find", /* terminfo */ | |
1376 | "@2", "cancel", /* terminfo */ | |
1377 | "%1", "help", /* terminfo */ | |
1378 | /* | |
1379 | * "break" goes here, but can't be reliably intercepted with termcap | |
1380 | */ | |
1381 | "&4", "reset", /* terminfo --- actually `restart' */ | |
1382 | /* | |
1383 | * "system" and "user" --- no termcaps | |
1384 | */ | |
1385 | "kE", "clearline", /* terminfo */ | |
1386 | "kA", "insertline", /* terminfo */ | |
1387 | "kL", "deleteline", /* terminfo */ | |
1388 | "kI", "insertchar", /* terminfo */ | |
1389 | "kD", "deletechar", /* terminfo */ | |
1390 | "kB", "backtab", /* terminfo */ | |
1391 | /* | |
1392 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1393 | */ | |
1394 | "@8", "kp-enter", /* terminfo */ | |
1395 | /* | |
1396 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1397 | * "kp-multiply", "kp-add", "kp-separator", | |
1398 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1399 | * --- no termcaps for any of these. | |
1400 | */ | |
1401 | "K4", "kp-1", /* terminfo */ | |
1402 | /* | |
1403 | * "kp-2" --- no termcap | |
1404 | */ | |
1405 | "K5", "kp-3", /* terminfo */ | |
1406 | /* | |
1407 | * "kp-4" --- no termcap | |
1408 | */ | |
1409 | "K2", "kp-5", /* terminfo */ | |
1410 | /* | |
1411 | * "kp-6" --- no termcap | |
1412 | */ | |
1413 | "K1", "kp-7", /* terminfo */ | |
1414 | /* | |
1415 | * "kp-8" --- no termcap | |
1416 | */ | |
1417 | "K3", "kp-9", /* terminfo */ | |
1418 | /* | |
1419 | * "kp-equal" --- no termcap | |
1420 | */ | |
1421 | "k1", "f1", | |
1422 | "k2", "f2", | |
1423 | "k3", "f3", | |
1424 | "k4", "f4", | |
1425 | "k5", "f5", | |
1426 | "k6", "f6", | |
1427 | "k7", "f7", | |
1428 | "k8", "f8", | |
1429 | "k9", "f9", | |
a796ac82 JB |
1430 | }; |
1431 | ||
f2a00342 RM |
1432 | static char **term_get_fkeys_arg; |
1433 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1434 | |
01d8deb0 ER |
1435 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
1436 | This function scans the termcap function key sequence entries, and | |
1437 | adds entries to Vfunction_key_map for each function key it finds. */ | |
1438 | ||
5c2c7893 JB |
1439 | void |
1440 | term_get_fkeys (address) | |
1441 | char **address; | |
f2a00342 RM |
1442 | { |
1443 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1444 | errors during the call. The only errors should be from Fdefine_key | |
1445 | when given a key sequence containing an invalid prefix key. If the | |
1446 | termcap defines function keys which use a prefix that is already bound | |
1447 | to a command by the default bindings, we should silently ignore that | |
1448 | function key specification, rather than giving the user an error and | |
1449 | refusing to run at all on such a terminal. */ | |
1450 | ||
1451 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1452 | term_get_fkeys_arg = address; |
1453 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1454 | } | |
1455 | ||
1456 | static Lisp_Object | |
1457 | term_get_fkeys_1 () | |
5c2c7893 | 1458 | { |
5c2c7893 JB |
1459 | int i; |
1460 | ||
37085233 | 1461 | char **address = term_get_fkeys_arg; |
f778aff2 | 1462 | |
3e65092f RS |
1463 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1464 | if (!initialized) | |
1465 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1466 | ||
5c2c7893 JB |
1467 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1468 | { | |
1469 | char *sequence = tgetstr (keys[i].cap, address); | |
1470 | if (sequence) | |
f2a00342 RM |
1471 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1472 | Fmake_vector (make_number (1), | |
1473 | intern (keys[i].name))); | |
5c2c7893 | 1474 | } |
a796ac82 JB |
1475 | |
1476 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1477 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1478 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1479 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1480 | */ | |
1481 | { | |
1482 | char *k_semi = tgetstr ("k;", address); | |
1483 | char *k0 = tgetstr ("k0", address); | |
1484 | char *k0_name = "f10"; | |
1485 | ||
1486 | if (k_semi) | |
1487 | { | |
f2a00342 RM |
1488 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1489 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 JB |
1490 | k0_name = "f0"; |
1491 | } | |
1492 | ||
1493 | if (k0) | |
f2a00342 RM |
1494 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1495 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1496 | } |
01d8deb0 ER |
1497 | |
1498 | /* Set up cookies for numbered function keys above f10. */ | |
1499 | { | |
1500 | char fcap[3], fkey[4]; | |
1501 | ||
fc4f24da | 1502 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1503 | for (i = 11; i < 64; i++) |
1504 | { | |
1505 | if (i <= 19) | |
1506 | fcap[1] = '1' + i - 11; | |
1507 | else if (i <= 45) | |
b59ab95c | 1508 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1509 | else |
b59ab95c | 1510 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1511 | |
fc4f24da RS |
1512 | { |
1513 | char *sequence = tgetstr (fcap, address); | |
1514 | if (sequence) | |
1515 | { | |
465db27b | 1516 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1517 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1518 | Fmake_vector (make_number (1), | |
1519 | intern (fkey))); | |
fc4f24da RS |
1520 | } |
1521 | } | |
01d8deb0 ER |
1522 | } |
1523 | } | |
1524 | ||
1525 | /* | |
1526 | * Various mappings to try and get a better fit. | |
1527 | */ | |
1528 | { | |
fc4f24da RS |
1529 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1530 | if (!tgetstr (cap1, address)) \ | |
1531 | { \ | |
1532 | char *sequence = tgetstr (cap2, address); \ | |
1533 | if (sequence) \ | |
f2a00342 RM |
1534 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1535 | Fmake_vector (make_number (1), \ | |
1536 | intern (sym))); \ | |
fc4f24da | 1537 | } |
01d8deb0 ER |
1538 | |
1539 | /* if there's no key_next keycap, map key_npage to `next' keysym */ | |
27b61785 | 1540 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1541 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1542 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1543 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1544 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1545 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1546 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1547 | |
1548 | /* IBM has their own non-standard dialect of terminfo. | |
1549 | If the standard name isn't found, try the IBM name. */ | |
1550 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1551 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1552 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1553 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1554 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1555 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1556 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1557 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1558 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1559 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1560 | } |
5c2c7893 JB |
1561 | } |
1562 | ||
1563 | \f | |
dfcf069d | 1564 | void |
08a24c47 JB |
1565 | term_init (terminal_type) |
1566 | char *terminal_type; | |
1567 | { | |
1568 | char *area; | |
1569 | char **address = &area; | |
1570 | char buffer[2044]; | |
1571 | register char *p; | |
1572 | int status; | |
1573 | ||
cb28b9c2 | 1574 | #ifdef WINDOWSNT |
29f27c39 | 1575 | initialize_w32_display (); |
cb28b9c2 RS |
1576 | |
1577 | Wcm_clear (); | |
cb28b9c2 RS |
1578 | |
1579 | area = (char *) malloc (2044); | |
1580 | ||
1581 | if (area == 0) | |
1582 | abort (); | |
1583 | ||
1584 | FrameRows = FRAME_HEIGHT (selected_frame); | |
1585 | FrameCols = FRAME_WIDTH (selected_frame); | |
1586 | specified_window = FRAME_HEIGHT (selected_frame); | |
1587 | ||
1588 | delete_in_insert_mode = 1; | |
1589 | ||
1590 | UseTabs = 0; | |
1591 | scroll_region_ok = 0; | |
1592 | ||
1593 | /* Seems to insert lines when it's not supposed to, messing | |
1594 | up the display. In doing a trace, it didn't seem to be | |
1595 | called much, so I don't think we're losing anything by | |
1596 | turning it off. */ | |
1597 | ||
1598 | line_ins_del_ok = 0; | |
1599 | char_ins_del_ok = 1; | |
1600 | ||
1601 | baud_rate = 19200; | |
1602 | ||
1603 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; | |
1efd8636 | 1604 | FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none; |
cb28b9c2 RS |
1605 | |
1606 | return; | |
eccec691 | 1607 | #else /* not WINDOWSNT */ |
cb28b9c2 | 1608 | |
08a24c47 | 1609 | Wcm_clear (); |
08a24c47 JB |
1610 | |
1611 | status = tgetent (buffer, terminal_type); | |
1612 | if (status < 0) | |
b0347178 KH |
1613 | { |
1614 | #ifdef TERMINFO | |
e12c1054 | 1615 | fatal ("Cannot open terminfo database file"); |
b0347178 | 1616 | #else |
e12c1054 | 1617 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
1618 | #endif |
1619 | } | |
08a24c47 | 1620 | if (status == 0) |
b0347178 KH |
1621 | { |
1622 | #ifdef TERMINFO | |
1623 | fatal ("Terminal type %s is not defined.\n\ | |
1624 | If that is not the actual type of terminal you have,\n\ | |
1625 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1626 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1627 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
1628 | terminal_type); |
1629 | #else | |
1630 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
1631 | If that is not the actual type of terminal you have,\n\ |
1632 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1633 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1634 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
1635 | terminal_type); |
1636 | #endif | |
1637 | } | |
08a24c47 JB |
1638 | #ifdef TERMINFO |
1639 | area = (char *) malloc (2044); | |
1640 | #else | |
1641 | area = (char *) malloc (strlen (buffer)); | |
1642 | #endif /* not TERMINFO */ | |
1643 | if (area == 0) | |
1644 | abort (); | |
1645 | ||
1646 | TS_ins_line = tgetstr ("al", address); | |
1647 | TS_ins_multi_lines = tgetstr ("AL", address); | |
1648 | TS_bell = tgetstr ("bl", address); | |
1649 | BackTab = tgetstr ("bt", address); | |
1650 | TS_clr_to_bottom = tgetstr ("cd", address); | |
1651 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 1652 | TS_clr_frame = tgetstr ("cl", address); |
08a24c47 JB |
1653 | ColPosition = tgetstr ("ch", address); |
1654 | AbsPosition = tgetstr ("cm", address); | |
1655 | CR = tgetstr ("cr", address); | |
1656 | TS_set_scroll_region = tgetstr ("cs", address); | |
1657 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
1658 | RowPosition = tgetstr ("cv", address); | |
1659 | TS_del_char = tgetstr ("dc", address); | |
1660 | TS_del_multi_chars = tgetstr ("DC", address); | |
1661 | TS_del_line = tgetstr ("dl", address); | |
1662 | TS_del_multi_lines = tgetstr ("DL", address); | |
1663 | TS_delete_mode = tgetstr ("dm", address); | |
1664 | TS_end_delete_mode = tgetstr ("ed", address); | |
1665 | TS_end_insert_mode = tgetstr ("ei", address); | |
1666 | Home = tgetstr ("ho", address); | |
1667 | TS_ins_char = tgetstr ("ic", address); | |
1668 | TS_ins_multi_chars = tgetstr ("IC", address); | |
1669 | TS_insert_mode = tgetstr ("im", address); | |
1670 | TS_pad_inserted_char = tgetstr ("ip", address); | |
1671 | TS_end_keypad_mode = tgetstr ("ke", address); | |
1672 | TS_keypad_mode = tgetstr ("ks", address); | |
1673 | LastLine = tgetstr ("ll", address); | |
1674 | Right = tgetstr ("nd", address); | |
1675 | Down = tgetstr ("do", address); | |
1676 | if (!Down) | |
1677 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
1678 | #ifdef VMS | |
1679 | /* VMS puts a carriage return before each linefeed, | |
1680 | so it is not safe to use linefeeds. */ | |
1681 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
1682 | Down = 0; | |
1683 | #endif /* VMS */ | |
1684 | if (tgetflag ("bs")) | |
1685 | Left = "\b"; /* can't possibly be longer! */ | |
1686 | else /* (Actually, "bs" is obsolete...) */ | |
1687 | Left = tgetstr ("le", address); | |
1688 | if (!Left) | |
1689 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
1690 | TS_pad_char = tgetstr ("pc", address); | |
1691 | TS_repeat = tgetstr ("rp", address); | |
1692 | TS_end_standout_mode = tgetstr ("se", address); | |
1693 | TS_fwd_scroll = tgetstr ("sf", address); | |
1694 | TS_standout_mode = tgetstr ("so", address); | |
1695 | TS_rev_scroll = tgetstr ("sr", address); | |
1696 | Wcm.cm_tab = tgetstr ("ta", address); | |
1697 | TS_end_termcap_modes = tgetstr ("te", address); | |
1698 | TS_termcap_modes = tgetstr ("ti", address); | |
a4decb7f KH |
1699 | TS_bold_mode = tgetstr ("md", address); |
1700 | TS_end_bold_mode = tgetstr ("me", address); | |
1701 | TS_underscore_mode = tgetstr ("us", address); | |
1702 | TS_end_underscore_mode = tgetstr ("ue", address); | |
08a24c47 JB |
1703 | Up = tgetstr ("up", address); |
1704 | TS_visible_bell = tgetstr ("vb", address); | |
1705 | TS_end_visual_mode = tgetstr ("ve", address); | |
1706 | TS_visual_mode = tgetstr ("vs", address); | |
1707 | TS_set_window = tgetstr ("wi", address); | |
1708 | MultiUp = tgetstr ("UP", address); | |
1709 | MultiDown = tgetstr ("DO", address); | |
1710 | MultiLeft = tgetstr ("LE", address); | |
1711 | MultiRight = tgetstr ("RI", address); | |
1712 | ||
e4058338 KH |
1713 | MagicWrap = tgetflag ("xn"); |
1714 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
1715 | the former flag imply the latter. */ | |
1716 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 1717 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
1718 | TF_hazeltine = tgetflag ("hz"); |
1719 | must_write_spaces = tgetflag ("in"); | |
1720 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
1721 | TF_insmode_motion = tgetflag ("mi"); | |
1722 | TF_standout_motion = tgetflag ("ms"); | |
1723 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
1724 | TF_xs = tgetflag ("xs"); |
1725 | TF_teleray = tgetflag ("xt"); | |
1726 | ||
5c2c7893 JB |
1727 | term_get_fkeys (address); |
1728 | ||
ff11dfa1 | 1729 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
1730 | { |
1731 | int height, width; | |
1732 | get_frame_size (&width, &height); | |
1733 | FRAME_WIDTH (selected_frame) = width; | |
1734 | FRAME_HEIGHT (selected_frame) = height; | |
1735 | } | |
1736 | ||
ff11dfa1 | 1737 | if (FRAME_WIDTH (selected_frame) <= 0) |
1efd8636 RS |
1738 | SET_FRAME_WIDTH (selected_frame, tgetnum ("co")); |
1739 | else | |
1740 | /* Keep width and external_width consistent */ | |
1741 | SET_FRAME_WIDTH (selected_frame, FRAME_WIDTH (selected_frame)); | |
ff11dfa1 JB |
1742 | if (FRAME_HEIGHT (selected_frame) <= 0) |
1743 | FRAME_HEIGHT (selected_frame) = tgetnum ("li"); | |
1efd8636 | 1744 | |
ee7a2de4 RS |
1745 | if (FRAME_HEIGHT (selected_frame) < 3 |
1746 | || FRAME_WIDTH (selected_frame) < 3) | |
e12c1054 | 1747 | fatal ("Screen size %dx%d is too small", |
ee7a2de4 RS |
1748 | FRAME_HEIGHT (selected_frame), FRAME_WIDTH (selected_frame)); |
1749 | ||
08a24c47 JB |
1750 | min_padding_speed = tgetnum ("pb"); |
1751 | TN_standout_width = tgetnum ("sg"); | |
1752 | TabWidth = tgetnum ("tw"); | |
1753 | ||
1754 | #ifdef VMS | |
1755 | /* These capabilities commonly use ^J. | |
1756 | I don't know why, but sending them on VMS does not work; | |
1757 | it causes following spaces to be lost, sometimes. | |
1758 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
1759 | if (Down && Down[0] == '\n') | |
1760 | Down = 0; | |
1761 | #endif /* VMS */ | |
1762 | ||
1763 | if (!TS_bell) | |
1764 | TS_bell = "\07"; | |
1765 | ||
1766 | if (!TS_fwd_scroll) | |
1767 | TS_fwd_scroll = Down; | |
1768 | ||
1769 | PC = TS_pad_char ? *TS_pad_char : 0; | |
1770 | ||
1771 | if (TabWidth < 0) | |
1772 | TabWidth = 8; | |
1773 | ||
1774 | /* Turned off since /etc/termcap seems to have :ta= for most terminals | |
1775 | and newer termcap doc does not seem to say there is a default. | |
1776 | if (!Wcm.cm_tab) | |
1777 | Wcm.cm_tab = "\t"; | |
1778 | */ | |
1779 | ||
1780 | if (TS_standout_mode == 0) | |
1781 | { | |
1782 | TN_standout_width = tgetnum ("ug"); | |
1783 | TS_end_standout_mode = tgetstr ("ue", address); | |
1784 | TS_standout_mode = tgetstr ("us", address); | |
1785 | } | |
1786 | ||
afd359c4 RS |
1787 | /* If no `se' string, try using a `me' string instead. |
1788 | If that fails, we can't use standout mode at all. */ | |
1789 | if (TS_end_standout_mode == 0) | |
1790 | { | |
e4bfb3b6 | 1791 | char *s = tgetstr ("me", address); |
afd359c4 RS |
1792 | if (s != 0) |
1793 | TS_end_standout_mode = s; | |
1794 | else | |
1795 | TS_standout_mode = 0; | |
1796 | } | |
1797 | ||
08a24c47 JB |
1798 | if (TF_teleray) |
1799 | { | |
1800 | Wcm.cm_tab = 0; | |
1801 | /* Teleray: most programs want a space in front of TS_standout_mode, | |
1802 | but Emacs can do without it (and give one extra column). */ | |
1803 | TS_standout_mode = "\033RD"; | |
1804 | TN_standout_width = 1; | |
1805 | /* But that means we cannot rely on ^M to go to column zero! */ | |
1806 | CR = 0; | |
1807 | /* LF can't be trusted either -- can alter hpos */ | |
1808 | /* if move at column 0 thru a line with TS_standout_mode */ | |
1809 | Down = 0; | |
1810 | } | |
1811 | ||
1812 | /* Special handling for certain terminal types known to need it */ | |
1813 | ||
1814 | if (!strcmp (terminal_type, "supdup")) | |
1815 | { | |
ff11dfa1 | 1816 | memory_below_frame = 1; |
08a24c47 JB |
1817 | Wcm.cm_losewrap = 1; |
1818 | } | |
1819 | if (!strncmp (terminal_type, "c10", 3) | |
1820 | || !strcmp (terminal_type, "perq")) | |
1821 | { | |
1822 | /* Supply a makeshift :wi string. | |
1823 | This string is not valid in general since it works only | |
1824 | for windows starting at the upper left corner; | |
1825 | but that is all Emacs uses. | |
1826 | ||
ff11dfa1 | 1827 | This string works only if the frame is using |
08a24c47 JB |
1828 | the top of the video memory, because addressing is memory-relative. |
1829 | So first check the :ti string to see if that is true. | |
1830 | ||
1831 | It would be simpler if the :wi string could go in the termcap | |
1832 | entry, but it can't because it is not fully valid. | |
1833 | If it were in the termcap entry, it would confuse other programs. */ | |
1834 | if (!TS_set_window) | |
1835 | { | |
1836 | p = TS_termcap_modes; | |
1837 | while (*p && strcmp (p, "\033v ")) | |
1838 | p++; | |
1839 | if (*p) | |
1840 | TS_set_window = "\033v%C %C %C %C "; | |
1841 | } | |
1842 | /* Termcap entry often fails to have :in: flag */ | |
1843 | must_write_spaces = 1; | |
1844 | /* :ti string typically fails to have \E^G! in it */ | |
1845 | /* This limits scope of insert-char to one line. */ | |
1846 | strcpy (area, TS_termcap_modes); | |
1847 | strcat (area, "\033\007!"); | |
1848 | TS_termcap_modes = area; | |
1849 | area += strlen (area) + 1; | |
1850 | p = AbsPosition; | |
1851 | /* Change all %+ parameters to %C, to handle | |
1852 | values above 96 correctly for the C100. */ | |
1853 | while (*p) | |
1854 | { | |
1855 | if (p[0] == '%' && p[1] == '+') | |
1856 | p[1] = 'C'; | |
1857 | p++; | |
1858 | } | |
1859 | } | |
1860 | ||
ff11dfa1 JB |
1861 | FrameRows = FRAME_HEIGHT (selected_frame); |
1862 | FrameCols = FRAME_WIDTH (selected_frame); | |
1863 | specified_window = FRAME_HEIGHT (selected_frame); | |
08a24c47 JB |
1864 | |
1865 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
1866 | #ifdef VMS | |
1867 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1868 | It lacks the ability to position the cursor.\n\ | |
1869 | If that is not the actual type of terminal you have, use either the\n\ | |
1870 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 1871 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 1872 | terminal_type); |
37dad45a RS |
1873 | #else /* not VMS */ |
1874 | # ifdef TERMINFO | |
1875 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
1876 | It lacks the ability to position the cursor.\n\ | |
1877 | If that is not the actual type of terminal you have,\n\ | |
1878 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
1879 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1880 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
1881 | terminal_type); |
1882 | # else /* TERMCAP */ | |
08a24c47 JB |
1883 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
1884 | It lacks the ability to position the cursor.\n\ | |
1885 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
1886 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
1887 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 1888 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 1889 | terminal_type); |
37dad45a RS |
1890 | # endif /* TERMINFO */ |
1891 | #endif /*VMS */ | |
ff11dfa1 JB |
1892 | if (FRAME_HEIGHT (selected_frame) <= 0 |
1893 | || FRAME_WIDTH (selected_frame) <= 0) | |
e12c1054 | 1894 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
1895 | |
1896 | delete_in_insert_mode | |
1897 | = TS_delete_mode && TS_insert_mode | |
1898 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
1899 | ||
1900 | se_is_so = (TS_standout_mode | |
1901 | && TS_end_standout_mode | |
1902 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
1903 | ||
1904 | /* Remove width of standout marker from usable width of line */ | |
1905 | if (TN_standout_width > 0) | |
1efd8636 RS |
1906 | SET_FRAME_WIDTH (selected_frame, |
1907 | FRAME_WIDTH (selected_frame) - TN_standout_width); | |
08a24c47 JB |
1908 | |
1909 | UseTabs = tabs_safe_p () && TabWidth == 8; | |
1910 | ||
1911 | scroll_region_ok | |
1912 | = (Wcm.cm_abs | |
1913 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
1914 | ||
1915 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
1916 | && (TS_del_line || TS_del_multi_lines)) | |
1917 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
1918 | ||
1919 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
1920 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
1921 | && (TS_del_char || TS_del_multi_chars)); | |
1922 | ||
1923 | fast_clear_end_of_line = TS_clr_line != 0; | |
1924 | ||
1925 | init_baud_rate (); | |
1926 | if (read_socket_hook) /* Baudrate is somewhat */ | |
1927 | /* meaningless in this case */ | |
1928 | baud_rate = 9600; | |
20a558dc | 1929 | |
a3c87d4e | 1930 | FRAME_CAN_HAVE_SCROLL_BARS (selected_frame) = 0; |
1efd8636 | 1931 | FRAME_VERTICAL_SCROLL_BAR_TYPE (selected_frame) = vertical_scroll_bar_none; |
eccec691 | 1932 | #endif /* WINDOWSNT */ |
08a24c47 JB |
1933 | } |
1934 | ||
1935 | /* VARARGS 1 */ | |
dfcf069d | 1936 | void |
08a24c47 | 1937 | fatal (str, arg1, arg2) |
4746118a | 1938 | char *str, *arg1, *arg2; |
08a24c47 JB |
1939 | { |
1940 | fprintf (stderr, "emacs: "); | |
1941 | fprintf (stderr, str, arg1, arg2); | |
e12c1054 | 1942 | fprintf (stderr, "\n"); |
08a24c47 JB |
1943 | fflush (stderr); |
1944 | exit (1); | |
1945 | } | |
07c57952 | 1946 | |
dfcf069d | 1947 | void |
07c57952 KH |
1948 | syms_of_term () |
1949 | { | |
1950 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, | |
1951 | "Non-nil means the system uses terminfo rather than termcap.\n\ | |
1952 | This variable can be used by terminal emulator packages."); | |
1953 | #ifdef TERMINFO | |
1954 | system_uses_terminfo = 1; | |
1955 | #else | |
1956 | system_uses_terminfo = 0; | |
1957 | #endif | |
c291d9ef RS |
1958 | |
1959 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, | |
1960 | "Non-nil means call this function to ring the bell.\n\ | |
1961 | The function should accept no arguments."); | |
1962 | Vring_bell_function = Qnil; | |
07c57952 | 1963 | } |