Commit | Line | Data |
---|---|---|
d284f58f | 1 | /* Terminal control module for terminals described by TERMCAP |
0b5538bd | 2 | Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1998, 2000, 2001, |
4e6835db | 3 | 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc. |
08a24c47 JB |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
7 | GNU Emacs is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
4746118a | 9 | the Free Software Foundation; either version 2, or (at your option) |
08a24c47 JB |
10 | any later version. |
11 | ||
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with GNU Emacs; see the file COPYING. If not, write to | |
4fc5845f LK |
19 | the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
20 | Boston, MA 02110-1301, USA. */ | |
08a24c47 | 21 | |
d284f58f | 22 | /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */ |
08a24c47 | 23 | |
565620a5 | 24 | #include <config.h> |
08a24c47 JB |
25 | #include <stdio.h> |
26 | #include <ctype.h> | |
a168702a | 27 | #include <string.h> |
7ee72033 | 28 | |
08a24c47 JB |
29 | #include "termchar.h" |
30 | #include "termopts.h" | |
08a24c47 | 31 | #include "lisp.h" |
a4decb7f KH |
32 | #include "charset.h" |
33 | #include "coding.h" | |
2538fae4 | 34 | #include "keyboard.h" |
ff11dfa1 | 35 | #include "frame.h" |
08a24c47 JB |
36 | #include "disptab.h" |
37 | #include "termhooks.h" | |
dfcf069d | 38 | #include "dispextern.h" |
a168702a | 39 | #include "window.h" |
8feddab4 | 40 | #include "keymap.h" |
1a935bfd | 41 | #include "blockinput.h" |
a168702a | 42 | |
ff23e1dd GM |
43 | /* For now, don't try to include termcap.h. On some systems, |
44 | configure finds a non-standard termcap.h that the main build | |
45 | won't find. */ | |
46 | ||
47 | #if defined HAVE_TERMCAP_H && 0 | |
b0f61f15 | 48 | #include <termcap.h> |
46d1b2bc DL |
49 | #else |
50 | extern void tputs P_ ((const char *, int, int (*)(int))); | |
51 | extern int tgetent P_ ((char *, const char *)); | |
52 | extern int tgetflag P_ ((char *id)); | |
53 | extern int tgetnum P_ ((char *id)); | |
b0f61f15 GM |
54 | #endif |
55 | ||
eccec691 | 56 | #include "cm.h" |
dfcf069d AS |
57 | #ifdef HAVE_X_WINDOWS |
58 | #include "xterm.h" | |
59 | #endif | |
e0f712ba | 60 | #ifdef MAC_OS |
1a578e9b AC |
61 | #include "macterm.h" |
62 | #endif | |
c8951b18 | 63 | |
a168702a GM |
64 | static void turn_on_face P_ ((struct frame *, int face_id)); |
65 | static void turn_off_face P_ ((struct frame *, int face_id)); | |
66 | static void tty_show_cursor P_ ((void)); | |
67 | static void tty_hide_cursor P_ ((void)); | |
68 | ||
e52f4e08 | 69 | #define OUTPUT(a) \ |
9882535b | 70 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) - curY), cmputc) |
08a24c47 JB |
71 | #define OUTPUT1(a) tputs (a, 1, cmputc) |
72 | #define OUTPUTL(a, lines) tputs (a, lines, cmputc) | |
a168702a | 73 | |
b0f61f15 GM |
74 | #define OUTPUT_IF(a) \ |
75 | do { \ | |
76 | if (a) \ | |
9882535b | 77 | tputs (a, (int) (FRAME_LINES (XFRAME (selected_frame)) \ |
b0f61f15 GM |
78 | - curY), cmputc); \ |
79 | } while (0) | |
177c0ea7 | 80 | |
b0f61f15 | 81 | #define OUTPUT1_IF(a) do { if (a) tputs (a, 1, cmputc); } while (0) |
08a24c47 | 82 | |
f46c2aff KS |
83 | /* Display space properties */ |
84 | ||
85 | extern Lisp_Object Qspace, QCalign_to, QCwidth; | |
86 | ||
c291d9ef | 87 | /* Function to use to ring the bell. */ |
a168702a | 88 | |
c291d9ef RS |
89 | Lisp_Object Vring_bell_function; |
90 | ||
0db017c0 SM |
91 | /* If true, use "vs", otherwise use "ve" to make the cursor visible. */ |
92 | ||
93 | static int visible_cursor; | |
94 | ||
eb8c3be9 | 95 | /* Terminal characteristics that higher levels want to look at. |
08a24c47 JB |
96 | These are all extern'd in termchar.h */ |
97 | ||
08a24c47 JB |
98 | int must_write_spaces; /* Nonzero means spaces in the text |
99 | must actually be output; can't just skip | |
100 | over some columns to leave them blank. */ | |
101 | int min_padding_speed; /* Speed below which no padding necessary */ | |
102 | ||
103 | int line_ins_del_ok; /* Terminal can insert and delete lines */ | |
104 | int char_ins_del_ok; /* Terminal can insert and delete chars */ | |
105 | int scroll_region_ok; /* Terminal supports setting the | |
106 | scroll window */ | |
be7cd44f RS |
107 | int scroll_region_cost; /* Cost of setting a scroll window, |
108 | measured in characters */ | |
ff11dfa1 | 109 | int memory_below_frame; /* Terminal remembers lines |
08a24c47 JB |
110 | scrolled off bottom */ |
111 | int fast_clear_end_of_line; /* Terminal has a `ce' string */ | |
112 | ||
ff11dfa1 | 113 | /* Nonzero means no need to redraw the entire frame on resuming |
08a24c47 JB |
114 | a suspended Emacs. This is useful on terminals with multiple pages, |
115 | where one page is used for Emacs and another for all else. */ | |
a168702a | 116 | |
08a24c47 JB |
117 | int no_redraw_on_reenter; |
118 | ||
119 | /* Hook functions that you can set to snap out the functions in this file. | |
120 | These are all extern'd in termhooks.h */ | |
121 | ||
dfcf069d AS |
122 | void (*cursor_to_hook) P_ ((int, int)); |
123 | void (*raw_cursor_to_hook) P_ ((int, int)); | |
dfcf069d AS |
124 | void (*clear_to_end_hook) P_ ((void)); |
125 | void (*clear_frame_hook) P_ ((void)); | |
126 | void (*clear_end_of_line_hook) P_ ((int)); | |
08a24c47 | 127 | |
dfcf069d | 128 | void (*ins_del_lines_hook) P_ ((int, int)); |
08a24c47 | 129 | |
dfcf069d | 130 | void (*delete_glyphs_hook) P_ ((int)); |
08a24c47 | 131 | |
dfcf069d | 132 | void (*ring_bell_hook) P_ ((void)); |
08a24c47 | 133 | |
dfcf069d AS |
134 | void (*reset_terminal_modes_hook) P_ ((void)); |
135 | void (*set_terminal_modes_hook) P_ ((void)); | |
136 | void (*update_begin_hook) P_ ((struct frame *)); | |
137 | void (*update_end_hook) P_ ((struct frame *)); | |
138 | void (*set_terminal_window_hook) P_ ((int)); | |
a168702a GM |
139 | void (*insert_glyphs_hook) P_ ((struct glyph *, int)); |
140 | void (*write_glyphs_hook) P_ ((struct glyph *, int)); | |
141 | void (*delete_glyphs_hook) P_ ((int)); | |
08a24c47 | 142 | |
a4ab7d75 | 143 | int (*read_socket_hook) P_ ((int, int, struct input_event *)); |
08a24c47 | 144 | |
dfcf069d | 145 | void (*frame_up_to_date_hook) P_ ((struct frame *)); |
55cc089c | 146 | |
dfcf069d | 147 | void (*mouse_position_hook) P_ ((FRAME_PTR *f, int insist, |
371fbaeb | 148 | Lisp_Object *bar_window, |
a3c87d4e | 149 | enum scroll_bar_part *part, |
20a558dc JB |
150 | Lisp_Object *x, |
151 | Lisp_Object *y, | |
dfcf069d | 152 | unsigned long *time)); |
08a24c47 | 153 | |
ff11dfa1 | 154 | /* When reading from a minibuffer in a different frame, Emacs wants |
a168702a | 155 | to shift the highlight from the selected frame to the mini-buffer's |
ff11dfa1 | 156 | frame; under X, this means it lies about where the focus is. |
2e146aa4 JB |
157 | This hook tells the window system code to re-decide where to put |
158 | the highlight. */ | |
d284f58f | 159 | |
dfcf069d | 160 | void (*frame_rehighlight_hook) P_ ((FRAME_PTR f)); |
2e146aa4 | 161 | |
dbc4e1c1 JB |
162 | /* If we're displaying frames using a window system that can stack |
163 | frames on top of each other, this hook allows you to bring a frame | |
164 | to the front, or bury it behind all the other windows. If this | |
165 | hook is zero, that means the device we're displaying on doesn't | |
166 | support overlapping frames, so there's no need to raise or lower | |
167 | anything. | |
168 | ||
169 | If RAISE is non-zero, F is brought to the front, before all other | |
170 | windows. If RAISE is zero, F is sent to the back, behind all other | |
171 | windows. */ | |
d284f58f | 172 | |
dfcf069d | 173 | void (*frame_raise_lower_hook) P_ ((FRAME_PTR f, int raise)); |
dbc4e1c1 | 174 | |
3d644e94 JD |
175 | /* If the value of the frame parameter changed, whis hook is called. |
176 | For example, if going from fullscreen to not fullscreen this hook | |
177 | may do something OS dependent, like extended window manager hints on X11. */ | |
178 | void (*fullscreen_hook) P_ ((struct frame *f)); | |
179 | ||
a3c87d4e | 180 | /* Set the vertical scroll bar for WINDOW to have its upper left corner |
371fbaeb JB |
181 | at (TOP, LEFT), and be LENGTH rows high. Set its handle to |
182 | indicate that we are displaying PORTION characters out of a total | |
183 | of WHOLE characters, starting at POSITION. If WINDOW doesn't yet | |
a3c87d4e | 184 | have a scroll bar, create one for it. */ |
a168702a | 185 | |
a3c87d4e | 186 | void (*set_vertical_scroll_bar_hook) |
dfcf069d AS |
187 | P_ ((struct window *window, |
188 | int portion, int whole, int position)); | |
20a558dc | 189 | |
371fbaeb | 190 | |
20a558dc | 191 | /* The following three hooks are used when we're doing a thorough |
a3c87d4e | 192 | redisplay of the frame. We don't explicitly know which scroll bars |
20a558dc JB |
193 | are going to be deleted, because keeping track of when windows go |
194 | away is a real pain - can you say set-window-configuration? | |
195 | Instead, we just assert at the beginning of redisplay that *all* | |
a3c87d4e | 196 | scroll bars are to be removed, and then save scroll bars from the |
8e6208c5 | 197 | fiery pit when we actually redisplay their window. */ |
20a558dc | 198 | |
a3c87d4e JB |
199 | /* Arrange for all scroll bars on FRAME to be removed at the next call |
200 | to `*judge_scroll_bars_hook'. A scroll bar may be spared if | |
177c0ea7 | 201 | `*redeem_scroll_bar_hook' is applied to its window before the judgment. |
20a558dc | 202 | |
371fbaeb | 203 | This should be applied to each frame each time its window tree is |
a3c87d4e JB |
204 | redisplayed, even if it is not displaying scroll bars at the moment; |
205 | if the HAS_SCROLL_BARS flag has just been turned off, only calling | |
206 | this and the judge_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
207 | |
208 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 209 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 210 | currently displaying them. */ |
d284f58f | 211 | |
dfcf069d | 212 | void (*condemn_scroll_bars_hook) P_ ((FRAME_PTR frame)); |
371fbaeb | 213 | |
a3c87d4e JB |
214 | /* Unmark WINDOW's scroll bar for deletion in this judgement cycle. |
215 | Note that it's okay to redeem a scroll bar that is not condemned. */ | |
d284f58f | 216 | |
dfcf069d | 217 | void (*redeem_scroll_bar_hook) P_ ((struct window *window)); |
20a558dc | 218 | |
a3c87d4e | 219 | /* Remove all scroll bars on FRAME that haven't been saved since the |
177c0ea7 | 220 | last call to `*condemn_scroll_bars_hook'. |
20a558dc | 221 | |
371fbaeb | 222 | This should be applied to each frame after each time its window |
a3c87d4e JB |
223 | tree is redisplayed, even if it is not displaying scroll bars at the |
224 | moment; if the HAS_SCROLL_BARS flag has just been turned off, only | |
225 | calling this and condemn_scroll_bars_hook will get rid of them. | |
371fbaeb JB |
226 | |
227 | If non-zero, this hook should be safe to apply to any frame, | |
a3c87d4e | 228 | whether or not it can support scroll bars, and whether or not it is |
371fbaeb | 229 | currently displaying them. */ |
d284f58f | 230 | |
dfcf069d | 231 | void (*judge_scroll_bars_hook) P_ ((FRAME_PTR FRAME)); |
20a558dc | 232 | |
08a24c47 JB |
233 | /* Strings, numbers and flags taken from the termcap entry. */ |
234 | ||
a4decb7f | 235 | char *TS_ins_line; /* "al" */ |
08a24c47 JB |
236 | char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ |
237 | char *TS_bell; /* "bl" */ | |
238 | char *TS_clr_to_bottom; /* "cd" */ | |
239 | char *TS_clr_line; /* "ce", clear to end of line */ | |
ff11dfa1 | 240 | char *TS_clr_frame; /* "cl" */ |
08a24c47 JB |
241 | char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ |
242 | char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
243 | lines above scroll region, lines below it, | |
244 | total lines again) */ | |
245 | char *TS_del_char; /* "dc" */ | |
246 | char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
247 | char *TS_del_line; /* "dl" */ | |
248 | char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
249 | char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
250 | char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
251 | char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
252 | char *TS_ins_char; /* "ic" */ | |
253 | char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
254 | char *TS_insert_mode; /* "im", enter character-insert mode */ | |
255 | char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
256 | char *TS_end_keypad_mode; /* "ke" */ | |
257 | char *TS_keypad_mode; /* "ks" */ | |
258 | char *TS_pad_char; /* "pc", char to use as padding */ | |
259 | char *TS_repeat; /* "rp" (2 params, # times to repeat | |
260 | and character to be repeated) */ | |
261 | char *TS_end_standout_mode; /* "se" */ | |
262 | char *TS_fwd_scroll; /* "sf" */ | |
263 | char *TS_standout_mode; /* "so" */ | |
264 | char *TS_rev_scroll; /* "sr" */ | |
265 | char *TS_end_termcap_modes; /* "te" */ | |
266 | char *TS_termcap_modes; /* "ti" */ | |
267 | char *TS_visible_bell; /* "vb" */ | |
a168702a GM |
268 | char *TS_cursor_normal; /* "ve" */ |
269 | char *TS_cursor_visible; /* "vs" */ | |
270 | char *TS_cursor_invisible; /* "vi" */ | |
08a24c47 JB |
271 | char *TS_set_window; /* "wi" (4 params, start and end of window, |
272 | each as vpos and hpos) */ | |
273 | ||
4e6ba4a4 GM |
274 | /* Value of the "NC" (no_color_video) capability, or 0 if not |
275 | present. */ | |
276 | ||
277 | static int TN_no_color_video; | |
278 | ||
279 | /* Meaning of bits in no_color_video. Each bit set means that the | |
280 | corresponding attribute cannot be combined with colors. */ | |
281 | ||
282 | enum no_color_bit | |
283 | { | |
284 | NC_STANDOUT = 1 << 0, | |
285 | NC_UNDERLINE = 1 << 1, | |
286 | NC_REVERSE = 1 << 2, | |
287 | NC_BLINK = 1 << 3, | |
288 | NC_DIM = 1 << 4, | |
289 | NC_BOLD = 1 << 5, | |
290 | NC_INVIS = 1 << 6, | |
291 | NC_PROTECT = 1 << 7, | |
292 | NC_ALT_CHARSET = 1 << 8 | |
293 | }; | |
294 | ||
a168702a GM |
295 | /* "md" -- turn on bold (extra bright mode). */ |
296 | ||
297 | char *TS_enter_bold_mode; | |
298 | ||
299 | /* "mh" -- turn on half-bright mode. */ | |
300 | ||
301 | char *TS_enter_dim_mode; | |
302 | ||
303 | /* "mb" -- enter blinking mode. */ | |
304 | ||
305 | char *TS_enter_blink_mode; | |
306 | ||
307 | /* "mr" -- enter reverse video mode. */ | |
308 | ||
309 | char *TS_enter_reverse_mode; | |
310 | ||
311 | /* "us"/"ue" -- start/end underlining. */ | |
312 | ||
313 | char *TS_exit_underline_mode, *TS_enter_underline_mode; | |
314 | ||
a168702a GM |
315 | /* "as"/"ae" -- start/end alternate character set. Not really |
316 | supported, yet. */ | |
317 | ||
318 | char *TS_enter_alt_charset_mode, *TS_exit_alt_charset_mode; | |
319 | ||
320 | /* "me" -- switch appearances off. */ | |
321 | ||
322 | char *TS_exit_attribute_mode; | |
323 | ||
324 | /* "Co" -- number of colors. */ | |
325 | ||
326 | int TN_max_colors; | |
327 | ||
328 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
329 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
330 | ||
331 | int TN_max_pairs; | |
332 | ||
333 | /* "op" -- SVr4 set default pair to its original value. */ | |
334 | ||
335 | char *TS_orig_pair; | |
336 | ||
337 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
338 | 1 param, the color index. */ | |
339 | ||
340 | char *TS_set_foreground, *TS_set_background; | |
341 | ||
08a24c47 JB |
342 | int TF_hazeltine; /* termcap hz flag. */ |
343 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
344 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
a168702a GM |
345 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on |
346 | non-blank position. Must clear before writing _. */ | |
08a24c47 JB |
347 | int TF_teleray; /* termcap xt flag: many weird consequences. |
348 | For t1061. */ | |
349 | ||
08a24c47 JB |
350 | static int RPov; /* # chars to start a TS_repeat */ |
351 | ||
352 | static int delete_in_insert_mode; /* delete mode == insert mode */ | |
353 | ||
354 | static int se_is_so; /* 1 if same string both enters and leaves | |
355 | standout mode */ | |
356 | ||
357 | /* internal state */ | |
358 | ||
8dd0c7cb | 359 | /* The largest frame width in any call to calculate_costs. */ |
a168702a | 360 | |
9882535b | 361 | int max_frame_cols; |
a168702a | 362 | |
8dd0c7cb | 363 | /* The largest frame height in any call to calculate_costs. */ |
a168702a | 364 | |
9882535b | 365 | int max_frame_lines; |
8dd0c7cb | 366 | |
646e4dff | 367 | static int costs_set; /* Nonzero if costs have been calculated. */ |
08a24c47 JB |
368 | |
369 | int insert_mode; /* Nonzero when in insert mode. */ | |
370 | int standout_mode; /* Nonzero when in standout mode. */ | |
371 | ||
372 | /* Size of window specified by higher levels. | |
ff11dfa1 | 373 | This is the number of lines, from the top of frame downwards, |
08a24c47 JB |
374 | which can participate in insert-line/delete-line operations. |
375 | ||
9882535b | 376 | Effectively it excludes the bottom frame_lines - specified_window_size |
08a24c47 JB |
377 | lines from those operations. */ |
378 | ||
379 | int specified_window; | |
380 | ||
ff11dfa1 | 381 | /* Frame currently being redisplayed; 0 if not currently redisplaying. |
08a24c47 JB |
382 | (Direct output does not count). */ |
383 | ||
ff11dfa1 | 384 | FRAME_PTR updating_frame; |
08a24c47 | 385 | |
07c57952 | 386 | /* Provided for lisp packages. */ |
a168702a | 387 | |
07c57952 KH |
388 | static int system_uses_terminfo; |
389 | ||
d284f58f GM |
390 | /* Flag used in tty_show/hide_cursor. */ |
391 | ||
392 | static int tty_cursor_hidden; | |
393 | ||
08a24c47 | 394 | char *tparam (); |
e4bfb3b6 RS |
395 | |
396 | extern char *tgetstr (); | |
e882229c NR |
397 | |
398 | static void term_clear_mouse_face (); | |
399 | static void term_mouse_highlight (struct frame *f, int x, int y); | |
08a24c47 | 400 | \f |
cb28b9c2 | 401 | |
1a89b7c6 AI |
402 | #ifdef WINDOWSNT |
403 | /* We aren't X windows, but we aren't termcap either. This makes me | |
404 | uncertain as to what value to use for frame.output_method. For | |
405 | this file, we'll define FRAME_TERMCAP_P to be zero so that our | |
406 | output hooks get called instead of the termcap functions. Probably | |
407 | the best long-term solution is to define an output_windows_nt... */ | |
408 | ||
409 | #undef FRAME_TERMCAP_P | |
410 | #define FRAME_TERMCAP_P(_f_) 0 | |
411 | #endif /* WINDOWSNT */ | |
412 | ||
e882229c NR |
413 | #ifdef HAVE_GPM_H |
414 | #include <sys/fcntl.h> | |
415 | #include "buffer.h" | |
416 | ||
417 | /* Nonzero means mouse is enabled on Linux console. */ | |
418 | int term_gpm = 0; | |
419 | ||
420 | /* These variables describe the range of text currently shown in its | |
421 | mouse-face, together with the window they apply to. As long as | |
422 | the mouse stays within this range, we need not redraw anything on | |
423 | its account. Rows and columns are glyph matrix positions in | |
424 | MOUSE_FACE_WINDOW. */ | |
425 | static int mouse_face_beg_row, mouse_face_beg_col; | |
426 | static int mouse_face_end_row, mouse_face_end_col; | |
427 | static int mouse_face_past_end; | |
428 | static Lisp_Object mouse_face_window; | |
429 | static int mouse_face_face_id; | |
430 | ||
431 | /* FRAME and X, Y position of mouse when last checked for | |
432 | highlighting. X and Y can be negative or out of range for the frame. */ | |
433 | struct frame *mouse_face_mouse_frame; | |
434 | int mouse_face_mouse_x, mouse_face_mouse_y; | |
435 | ||
436 | static int pos_x, pos_y; | |
437 | static int last_mouse_x, last_mouse_y; | |
438 | #endif /* HAVE_GPM_H */ | |
439 | ||
dfcf069d | 440 | void |
08a24c47 JB |
441 | ring_bell () |
442 | { | |
d284f58f | 443 | if (!NILP (Vring_bell_function)) |
c291d9ef RS |
444 | { |
445 | Lisp_Object function; | |
446 | ||
447 | /* Temporarily set the global variable to nil | |
448 | so that if we get an error, it stays nil | |
449 | and we don't call it over and over. | |
450 | ||
451 | We don't specbind it, because that would carefully | |
452 | restore the bad value if there's an error | |
453 | and make the loop of errors happen anyway. */ | |
177c0ea7 | 454 | |
c291d9ef RS |
455 | function = Vring_bell_function; |
456 | Vring_bell_function = Qnil; | |
457 | ||
458 | call0 (function); | |
459 | ||
460 | Vring_bell_function = function; | |
08a24c47 | 461 | } |
d284f58f GM |
462 | else if (!FRAME_TERMCAP_P (XFRAME (selected_frame))) |
463 | (*ring_bell_hook) (); | |
464 | else | |
465 | OUTPUT (TS_visible_bell && visible_bell ? TS_visible_bell : TS_bell); | |
08a24c47 JB |
466 | } |
467 | ||
dfcf069d | 468 | void |
08a24c47 JB |
469 | set_terminal_modes () |
470 | { | |
d284f58f | 471 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 472 | { |
3ae9c96a RS |
473 | if (TS_termcap_modes) |
474 | OUTPUT (TS_termcap_modes); | |
475 | else | |
476 | { | |
477 | /* Output enough newlines to scroll all the old screen contents | |
478 | off the screen, so it won't be overwritten and lost. */ | |
479 | int i; | |
480 | for (i = 0; i < FRAME_LINES (XFRAME (selected_frame)); i++) | |
481 | putchar ('\n'); | |
482 | } | |
483 | ||
0db017c0 | 484 | OUTPUT_IF (visible_cursor ? TS_cursor_visible : TS_cursor_normal); |
d284f58f GM |
485 | OUTPUT_IF (TS_keypad_mode); |
486 | losecursor (); | |
08a24c47 | 487 | } |
d284f58f GM |
488 | else |
489 | (*set_terminal_modes_hook) (); | |
08a24c47 JB |
490 | } |
491 | ||
dfcf069d | 492 | void |
08a24c47 JB |
493 | reset_terminal_modes () |
494 | { | |
d284f58f | 495 | if (FRAME_TERMCAP_P (XFRAME (selected_frame))) |
08a24c47 | 496 | { |
54800acb | 497 | turn_off_highlight (); |
d284f58f GM |
498 | turn_off_insert (); |
499 | OUTPUT_IF (TS_end_keypad_mode); | |
500 | OUTPUT_IF (TS_cursor_normal); | |
501 | OUTPUT_IF (TS_end_termcap_modes); | |
502 | OUTPUT_IF (TS_orig_pair); | |
503 | /* Output raw CR so kernel can track the cursor hpos. */ | |
d284f58f | 504 | cmputc ('\r'); |
08a24c47 | 505 | } |
d284f58f GM |
506 | else if (reset_terminal_modes_hook) |
507 | (*reset_terminal_modes_hook) (); | |
08a24c47 JB |
508 | } |
509 | ||
dfcf069d | 510 | void |
ff11dfa1 | 511 | update_begin (f) |
d284f58f | 512 | struct frame *f; |
08a24c47 | 513 | { |
ff11dfa1 | 514 | updating_frame = f; |
d284f58f GM |
515 | if (!FRAME_TERMCAP_P (f)) |
516 | update_begin_hook (f); | |
08a24c47 JB |
517 | } |
518 | ||
dfcf069d | 519 | void |
ff11dfa1 | 520 | update_end (f) |
d284f58f | 521 | struct frame *f; |
08a24c47 | 522 | { |
d284f58f | 523 | if (FRAME_TERMCAP_P (f)) |
08a24c47 | 524 | { |
d284f58f GM |
525 | if (!XWINDOW (selected_window)->cursor_off_p) |
526 | tty_show_cursor (); | |
527 | turn_off_insert (); | |
528 | background_highlight (); | |
08a24c47 | 529 | } |
d284f58f GM |
530 | else |
531 | update_end_hook (f); | |
177c0ea7 | 532 | |
d284f58f | 533 | updating_frame = NULL; |
08a24c47 JB |
534 | } |
535 | ||
dfcf069d | 536 | void |
08a24c47 JB |
537 | set_terminal_window (size) |
538 | int size; | |
539 | { | |
d284f58f | 540 | if (FRAME_TERMCAP_P (updating_frame)) |
08a24c47 | 541 | { |
9882535b | 542 | specified_window = size ? size : FRAME_LINES (updating_frame); |
d284f58f GM |
543 | if (scroll_region_ok) |
544 | set_scroll_region (0, specified_window); | |
08a24c47 | 545 | } |
d284f58f GM |
546 | else |
547 | set_terminal_window_hook (size); | |
08a24c47 JB |
548 | } |
549 | ||
dfcf069d | 550 | void |
08a24c47 JB |
551 | set_scroll_region (start, stop) |
552 | int start, stop; | |
553 | { | |
554 | char *buf; | |
e52f4e08 | 555 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 556 | |
08a24c47 | 557 | if (TS_set_scroll_region) |
d284f58f | 558 | buf = tparam (TS_set_scroll_region, 0, 0, start, stop - 1); |
08a24c47 | 559 | else if (TS_set_scroll_region_1) |
d284f58f | 560 | buf = tparam (TS_set_scroll_region_1, 0, 0, |
9882535b KS |
561 | FRAME_LINES (sf), start, |
562 | FRAME_LINES (sf) - stop, | |
563 | FRAME_LINES (sf)); | |
08a24c47 | 564 | else |
9882535b | 565 | buf = tparam (TS_set_window, 0, 0, start, 0, stop, FRAME_COLS (sf)); |
177c0ea7 | 566 | |
08a24c47 | 567 | OUTPUT (buf); |
9ac0d9e0 | 568 | xfree (buf); |
08a24c47 JB |
569 | losecursor (); |
570 | } | |
d284f58f | 571 | |
08a24c47 | 572 | \f |
d284f58f | 573 | static void |
08a24c47 JB |
574 | turn_on_insert () |
575 | { | |
576 | if (!insert_mode) | |
577 | OUTPUT (TS_insert_mode); | |
578 | insert_mode = 1; | |
579 | } | |
580 | ||
dfcf069d | 581 | void |
08a24c47 JB |
582 | turn_off_insert () |
583 | { | |
584 | if (insert_mode) | |
585 | OUTPUT (TS_end_insert_mode); | |
586 | insert_mode = 0; | |
587 | } | |
588 | \f | |
54800acb | 589 | /* Handle highlighting. */ |
08a24c47 | 590 | |
dfcf069d | 591 | void |
08a24c47 JB |
592 | turn_off_highlight () |
593 | { | |
54800acb MB |
594 | if (standout_mode) |
595 | OUTPUT_IF (TS_end_standout_mode); | |
596 | standout_mode = 0; | |
08a24c47 JB |
597 | } |
598 | ||
d284f58f | 599 | static void |
08a24c47 JB |
600 | turn_on_highlight () |
601 | { | |
54800acb MB |
602 | if (!standout_mode) |
603 | OUTPUT_IF (TS_standout_mode); | |
604 | standout_mode = 1; | |
08a24c47 JB |
605 | } |
606 | ||
86a7d192 GM |
607 | static void |
608 | toggle_highlight () | |
609 | { | |
610 | if (standout_mode) | |
611 | turn_off_highlight (); | |
612 | else | |
613 | turn_on_highlight (); | |
614 | } | |
615 | ||
a168702a GM |
616 | |
617 | /* Make cursor invisible. */ | |
618 | ||
619 | static void | |
620 | tty_hide_cursor () | |
621 | { | |
d284f58f GM |
622 | if (tty_cursor_hidden == 0) |
623 | { | |
624 | tty_cursor_hidden = 1; | |
625 | OUTPUT_IF (TS_cursor_invisible); | |
626 | } | |
a168702a GM |
627 | } |
628 | ||
629 | ||
630 | /* Ensure that cursor is visible. */ | |
631 | ||
632 | static void | |
633 | tty_show_cursor () | |
634 | { | |
d284f58f GM |
635 | if (tty_cursor_hidden) |
636 | { | |
637 | tty_cursor_hidden = 0; | |
638 | OUTPUT_IF (TS_cursor_normal); | |
0db017c0 SM |
639 | if (visible_cursor) |
640 | OUTPUT_IF (TS_cursor_visible); | |
d284f58f | 641 | } |
a168702a GM |
642 | } |
643 | ||
644 | ||
08a24c47 JB |
645 | /* Set standout mode to the state it should be in for |
646 | empty space inside windows. What this is, | |
647 | depends on the user option inverse-video. */ | |
648 | ||
dfcf069d | 649 | void |
08a24c47 JB |
650 | background_highlight () |
651 | { | |
08a24c47 JB |
652 | if (inverse_video) |
653 | turn_on_highlight (); | |
654 | else | |
655 | turn_off_highlight (); | |
656 | } | |
657 | ||
658 | /* Set standout mode to the mode specified for the text to be output. */ | |
659 | ||
dfcf069d | 660 | static void |
08a24c47 JB |
661 | highlight_if_desired () |
662 | { | |
8ede64a5 | 663 | if (inverse_video) |
08a24c47 | 664 | turn_on_highlight (); |
8ede64a5 MB |
665 | else |
666 | turn_off_highlight (); | |
08a24c47 JB |
667 | } |
668 | \f | |
669 | ||
a168702a GM |
670 | /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are |
671 | frame-relative coordinates. */ | |
08a24c47 | 672 | |
dfcf069d | 673 | void |
a168702a GM |
674 | cursor_to (vpos, hpos) |
675 | int vpos, hpos; | |
08a24c47 | 676 | { |
e52f4e08 | 677 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
177c0ea7 | 678 | |
e52f4e08 | 679 | if (! FRAME_TERMCAP_P (f) && cursor_to_hook) |
08a24c47 | 680 | { |
a168702a | 681 | (*cursor_to_hook) (vpos, hpos); |
08a24c47 JB |
682 | return; |
683 | } | |
684 | ||
36cae867 KH |
685 | /* Detect the case where we are called from reset_sys_modes |
686 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 687 | if (! costs_set) |
36cae867 KH |
688 | return; |
689 | ||
a168702a | 690 | if (curY == vpos && curX == hpos) |
08a24c47 JB |
691 | return; |
692 | if (!TF_standout_motion) | |
693 | background_highlight (); | |
694 | if (!TF_insmode_motion) | |
695 | turn_off_insert (); | |
a168702a | 696 | cmgoto (vpos, hpos); |
08a24c47 JB |
697 | } |
698 | ||
699 | /* Similar but don't take any account of the wasted characters. */ | |
700 | ||
dfcf069d | 701 | void |
08a24c47 | 702 | raw_cursor_to (row, col) |
4746118a | 703 | int row, col; |
08a24c47 | 704 | { |
e52f4e08 GM |
705 | struct frame *f = updating_frame ? updating_frame : XFRAME (selected_frame); |
706 | if (! FRAME_TERMCAP_P (f)) | |
08a24c47 JB |
707 | { |
708 | (*raw_cursor_to_hook) (row, col); | |
709 | return; | |
710 | } | |
711 | if (curY == row && curX == col) | |
712 | return; | |
713 | if (!TF_standout_motion) | |
714 | background_highlight (); | |
715 | if (!TF_insmode_motion) | |
716 | turn_off_insert (); | |
717 | cmgoto (row, col); | |
718 | } | |
719 | \f | |
720 | /* Erase operations */ | |
721 | ||
ff11dfa1 | 722 | /* clear from cursor to end of frame */ |
dfcf069d | 723 | void |
08a24c47 JB |
724 | clear_to_end () |
725 | { | |
726 | register int i; | |
727 | ||
759d9005 | 728 | if (clear_to_end_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
729 | { |
730 | (*clear_to_end_hook) (); | |
731 | return; | |
732 | } | |
733 | if (TS_clr_to_bottom) | |
734 | { | |
735 | background_highlight (); | |
736 | OUTPUT (TS_clr_to_bottom); | |
08a24c47 JB |
737 | } |
738 | else | |
739 | { | |
9882535b | 740 | for (i = curY; i < FRAME_LINES (XFRAME (selected_frame)); i++) |
08a24c47 JB |
741 | { |
742 | cursor_to (i, 0); | |
9882535b | 743 | clear_end_of_line (FRAME_COLS (XFRAME (selected_frame))); |
08a24c47 JB |
744 | } |
745 | } | |
746 | } | |
747 | ||
ff11dfa1 | 748 | /* Clear entire frame */ |
08a24c47 | 749 | |
dfcf069d | 750 | void |
ff11dfa1 | 751 | clear_frame () |
08a24c47 | 752 | { |
e52f4e08 | 753 | struct frame *sf = XFRAME (selected_frame); |
177c0ea7 | 754 | |
ff11dfa1 | 755 | if (clear_frame_hook |
e52f4e08 | 756 | && ! FRAME_TERMCAP_P ((updating_frame ? updating_frame : sf))) |
08a24c47 | 757 | { |
ff11dfa1 | 758 | (*clear_frame_hook) (); |
08a24c47 JB |
759 | return; |
760 | } | |
ff11dfa1 | 761 | if (TS_clr_frame) |
08a24c47 JB |
762 | { |
763 | background_highlight (); | |
ff11dfa1 | 764 | OUTPUT (TS_clr_frame); |
08a24c47 JB |
765 | cmat (0, 0); |
766 | } | |
767 | else | |
768 | { | |
769 | cursor_to (0, 0); | |
770 | clear_to_end (); | |
771 | } | |
772 | } | |
773 | ||
08a24c47 JB |
774 | /* Clear from cursor to end of line. |
775 | Assume that the line is already clear starting at column first_unused_hpos. | |
08a24c47 JB |
776 | |
777 | Note that the cursor may be moved, on terminals lacking a `ce' string. */ | |
778 | ||
dfcf069d | 779 | void |
8ede64a5 | 780 | clear_end_of_line (first_unused_hpos) |
08a24c47 JB |
781 | int first_unused_hpos; |
782 | { | |
783 | register int i; | |
784 | ||
785 | if (clear_end_of_line_hook | |
1820044b | 786 | && ! FRAME_TERMCAP_P ((updating_frame |
ff11dfa1 | 787 | ? updating_frame |
e52f4e08 | 788 | : XFRAME (selected_frame)))) |
08a24c47 JB |
789 | { |
790 | (*clear_end_of_line_hook) (first_unused_hpos); | |
791 | return; | |
792 | } | |
793 | ||
36cae867 KH |
794 | /* Detect the case where we are called from reset_sys_modes |
795 | and the costs have never been calculated. Do nothing. */ | |
8ede64a5 | 796 | if (! costs_set) |
36cae867 KH |
797 | return; |
798 | ||
08a24c47 JB |
799 | if (curX >= first_unused_hpos) |
800 | return; | |
08a24c47 JB |
801 | background_highlight (); |
802 | if (TS_clr_line) | |
803 | { | |
804 | OUTPUT1 (TS_clr_line); | |
805 | } | |
806 | else | |
807 | { /* have to do it the hard way */ | |
e52f4e08 | 808 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 JB |
809 | turn_off_insert (); |
810 | ||
a168702a | 811 | /* Do not write in last row last col with Auto-wrap on. */ |
9882535b KS |
812 | if (AutoWrap && curY == FRAME_LINES (sf) - 1 |
813 | && first_unused_hpos == FRAME_COLS (sf)) | |
08a24c47 JB |
814 | first_unused_hpos--; |
815 | ||
816 | for (i = curX; i < first_unused_hpos; i++) | |
817 | { | |
818 | if (termscript) | |
819 | fputc (' ', termscript); | |
820 | putchar (' '); | |
821 | } | |
822 | cmplus (first_unused_hpos - curX); | |
823 | } | |
824 | } | |
825 | \f | |
af645abf KH |
826 | /* Buffer to store the source and result of code conversion for terminal. */ |
827 | static unsigned char *encode_terminal_buf; | |
828 | /* Allocated size of the above buffer. */ | |
829 | static int encode_terminal_bufsize; | |
a4decb7f | 830 | |
af645abf KH |
831 | /* Encode SRC_LEN glyphs starting at SRC to terminal output codes. |
832 | Set CODING->produced to the byte-length of the resulting byte | |
833 | sequence, and return a pointer to that byte sequence. */ | |
a4decb7f | 834 | |
302db699 | 835 | unsigned char * |
af645abf | 836 | encode_terminal_code (src, src_len, coding) |
a168702a | 837 | struct glyph *src; |
a4decb7f | 838 | int src_len; |
af645abf | 839 | struct coding_system *coding; |
a4decb7f | 840 | { |
feef4f84 | 841 | struct glyph *src_end = src + src_len; |
085d5908 | 842 | register GLYPH g; |
af645abf KH |
843 | unsigned char *buf; |
844 | int nchars, nbytes, required; | |
a4decb7f KH |
845 | register int tlen = GLYPH_TABLE_LENGTH; |
846 | register Lisp_Object *tbase = GLYPH_TABLE_BASE; | |
6589fd67 | 847 | |
af645abf KH |
848 | /* Allocate sufficient size of buffer to store all characters in |
849 | multibyte-form. But, it may be enlarged on demand if | |
850 | Vglyph_table contains a string. */ | |
851 | required = MAX_MULTIBYTE_LENGTH * src_len; | |
852 | if (encode_terminal_bufsize < required) | |
853 | { | |
af645abf KH |
854 | if (encode_terminal_bufsize == 0) |
855 | encode_terminal_buf = xmalloc (required); | |
856 | else | |
857 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
d6d31e57 | 858 | encode_terminal_bufsize = required; |
af645abf | 859 | } |
a4decb7f | 860 | |
af645abf KH |
861 | buf = encode_terminal_buf; |
862 | nchars = 0; | |
a4decb7f KH |
863 | while (src < src_end) |
864 | { | |
a4decb7f | 865 | /* We must skip glyphs to be padded for a wide character. */ |
a168702a | 866 | if (! CHAR_GLYPH_PADDING_P (*src)) |
a4decb7f | 867 | { |
32de38e4 KH |
868 | g = GLYPH_FROM_CHAR_GLYPH (src[0]); |
869 | ||
870 | if (g < 0 || g >= tlen) | |
085d5908 | 871 | { |
32de38e4 | 872 | /* This glyph doesn't has an entry in Vglyph_table. */ |
af645abf KH |
873 | if (CHAR_VALID_P (src->u.ch, 0)) |
874 | buf += CHAR_STRING (src->u.ch, buf); | |
32de38e4 | 875 | else |
af645abf KH |
876 | *buf++ = SPACEGLYPH; |
877 | nchars++; | |
085d5908 | 878 | } |
32de38e4 | 879 | else |
a4decb7f | 880 | { |
32de38e4 | 881 | /* This glyph has an entry in Vglyph_table, |
a4decb7f KH |
882 | so process any alias before testing for simpleness. */ |
883 | GLYPH_FOLLOW_ALIASES (tbase, tlen, g); | |
32de38e4 KH |
884 | |
885 | if (GLYPH_SIMPLE_P (tbase, tlen, g)) | |
886 | { | |
af645abf KH |
887 | int c = FAST_GLYPH_CHAR (g); |
888 | ||
889 | if (CHAR_VALID_P (c, 0)) | |
890 | buf += CHAR_STRING (c, buf); | |
891 | else | |
892 | *buf++ = SPACEGLYPH; | |
893 | nchars++; | |
32de38e4 KH |
894 | } |
895 | else | |
896 | { | |
897 | /* We have a string in Vglyph_table. */ | |
af645abf KH |
898 | Lisp_Object string; |
899 | ||
900 | string = tbase[g]; | |
901 | if (! STRING_MULTIBYTE (string)) | |
902 | string = string_to_multibyte (string); | |
903 | nbytes = buf - encode_terminal_buf; | |
fd4a9f8f | 904 | if (encode_terminal_bufsize < nbytes + SBYTES (string)) |
af645abf KH |
905 | { |
906 | encode_terminal_bufsize = nbytes + SBYTES (string); | |
907 | encode_terminal_buf = xrealloc (encode_terminal_buf, | |
908 | encode_terminal_bufsize); | |
909 | buf = encode_terminal_buf + nbytes; | |
910 | } | |
911 | bcopy (SDATA (string), buf, SBYTES (string)); | |
912 | buf += SBYTES (string); | |
913 | nchars += SCHARS (string); | |
32de38e4 | 914 | } |
171d7f24 | 915 | } |
a4decb7f KH |
916 | } |
917 | src++; | |
918 | } | |
177c0ea7 | 919 | |
af645abf KH |
920 | nbytes = buf - encode_terminal_buf; |
921 | coding->src_multibyte = 1; | |
922 | coding->dst_multibyte = 0; | |
923 | if (SYMBOLP (coding->pre_write_conversion) | |
924 | && ! NILP (Ffboundp (coding->pre_write_conversion))) | |
925 | { | |
feef4f84 | 926 | run_pre_write_conversin_on_c_str (&encode_terminal_buf, |
af645abf KH |
927 | &encode_terminal_bufsize, |
928 | nchars, nbytes, coding); | |
929 | nchars = coding->produced_char; | |
930 | nbytes = coding->produced; | |
931 | } | |
932 | required = nbytes + encoding_buffer_size (coding, nbytes); | |
933 | if (encode_terminal_bufsize < required) | |
934 | { | |
935 | encode_terminal_bufsize = required; | |
936 | encode_terminal_buf = xrealloc (encode_terminal_buf, required); | |
937 | } | |
a4decb7f | 938 | |
af645abf KH |
939 | encode_coding (coding, encode_terminal_buf, encode_terminal_buf + nbytes, |
940 | nbytes, encode_terminal_bufsize - nbytes); | |
941 | return encode_terminal_buf + nbytes; | |
942 | } | |
08a24c47 | 943 | |
dfcf069d | 944 | void |
08a24c47 | 945 | write_glyphs (string, len) |
a168702a | 946 | register struct glyph *string; |
08a24c47 JB |
947 | register int len; |
948 | { | |
e52f4e08 GM |
949 | struct frame *sf = XFRAME (selected_frame); |
950 | struct frame *f = updating_frame ? updating_frame : sf; | |
af645abf KH |
951 | unsigned char *conversion_buffer; |
952 | struct coding_system *coding; | |
08a24c47 JB |
953 | |
954 | if (write_glyphs_hook | |
a168702a | 955 | && ! FRAME_TERMCAP_P (f)) |
08a24c47 JB |
956 | { |
957 | (*write_glyphs_hook) (string, len); | |
958 | return; | |
959 | } | |
960 | ||
08a24c47 | 961 | turn_off_insert (); |
d284f58f | 962 | tty_hide_cursor (); |
08a24c47 | 963 | |
a168702a | 964 | /* Don't dare write in last column of bottom line, if Auto-Wrap, |
ff11dfa1 | 965 | since that would scroll the whole frame on some terminals. */ |
08a24c47 JB |
966 | |
967 | if (AutoWrap | |
9882535b KS |
968 | && curY + 1 == FRAME_LINES (sf) |
969 | && (curX + len) == FRAME_COLS (sf)) | |
08a24c47 | 970 | len --; |
a4decb7f KH |
971 | if (len <= 0) |
972 | return; | |
08a24c47 JB |
973 | |
974 | cmplus (len); | |
177c0ea7 | 975 | |
af645abf KH |
976 | /* If terminal_coding does any conversion, use it, otherwise use |
977 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
978 | because it always return 1 if the member src_multibyte is 1. */ | |
979 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
980 | ? &terminal_coding : &safe_terminal_coding); | |
6589fd67 KH |
981 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at |
982 | the tail. */ | |
af645abf | 983 | coding->mode &= ~CODING_MODE_LAST_BLOCK; |
177c0ea7 | 984 | |
a4decb7f | 985 | while (len > 0) |
08a24c47 | 986 | { |
a168702a | 987 | /* Identify a run of glyphs with the same face. */ |
32de38e4 | 988 | int face_id = string->face_id; |
a168702a | 989 | int n; |
177c0ea7 | 990 | |
a168702a | 991 | for (n = 1; n < len; ++n) |
32de38e4 | 992 | if (string[n].face_id != face_id) |
a168702a GM |
993 | break; |
994 | ||
995 | /* Turn appearance modes of the face of the run on. */ | |
2535aa8c | 996 | highlight_if_desired (); |
a168702a GM |
997 | turn_on_face (f, face_id); |
998 | ||
af645abf KH |
999 | if (n == len) |
1000 | /* This is the last run. */ | |
1001 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
1002 | conversion_buffer = encode_terminal_code (string, n, coding); | |
1003 | if (coding->produced > 0) | |
08a24c47 | 1004 | { |
1a935bfd | 1005 | BLOCK_INPUT; |
af645abf KH |
1006 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
1007 | if (ferror (stdout)) | |
1008 | clearerr (stdout); | |
1009 | if (termscript) | |
1010 | fwrite (conversion_buffer, 1, coding->produced, termscript); | |
1a935bfd | 1011 | UNBLOCK_INPUT; |
08a24c47 | 1012 | } |
af645abf KH |
1013 | len -= n; |
1014 | string += n; | |
a168702a GM |
1015 | |
1016 | /* Turn appearance modes off. */ | |
1017 | turn_off_face (f, face_id); | |
65aa5e85 | 1018 | turn_off_highlight (); |
a4decb7f | 1019 | } |
177c0ea7 | 1020 | |
9a6b6f92 | 1021 | cmcheckmagic (); |
08a24c47 JB |
1022 | } |
1023 | ||
e882229c NR |
1024 | void |
1025 | write_glyphs_with_face (string, len, face_id) | |
1026 | register struct glyph *string; | |
1027 | register int len, face_id; | |
1028 | { | |
1029 | struct frame *sf = XFRAME (selected_frame); | |
1030 | struct frame *f = updating_frame ? updating_frame : sf; | |
1031 | unsigned char *conversion_buffer; | |
1032 | struct coding_system *coding; | |
1033 | ||
1034 | turn_off_insert (); | |
1035 | tty_hide_cursor (); | |
1036 | ||
1037 | /* Don't dare write in last column of bottom line, if Auto-Wrap, | |
1038 | since that would scroll the whole frame on some terminals. */ | |
1039 | ||
1040 | if (AutoWrap | |
1041 | && curY + 1 == FRAME_LINES (sf) | |
1042 | && (curX + len) == FRAME_COLS (sf)) | |
1043 | len --; | |
1044 | if (len <= 0) | |
1045 | return; | |
1046 | ||
1047 | cmplus (len); | |
1048 | ||
1049 | /* If terminal_coding does any conversion, use it, otherwise use | |
1050 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
1051 | because it always return 1 if the member src_multibyte is 1. */ | |
1052 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
1053 | ? &terminal_coding : &safe_terminal_coding); | |
1054 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at | |
1055 | the tail. */ | |
1056 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
1057 | ||
1058 | ||
1059 | /* Turn appearance modes of the face. */ | |
1060 | highlight_if_desired (); | |
1061 | turn_on_face (f, face_id); | |
1062 | ||
1063 | coding->mode |= CODING_MODE_LAST_BLOCK; | |
1064 | conversion_buffer = encode_terminal_code (string, len, coding); | |
1065 | if (coding->produced > 0) | |
1066 | { | |
1067 | BLOCK_INPUT; | |
1068 | fwrite (conversion_buffer, 1, coding->produced, stdout); | |
1069 | if (ferror (stdout)) | |
1070 | clearerr (stdout); | |
1071 | if (termscript) | |
1072 | fwrite (conversion_buffer, 1, coding->produced, termscript); | |
1073 | UNBLOCK_INPUT; | |
1074 | } | |
1075 | ||
1076 | /* Turn appearance modes off. */ | |
1077 | turn_off_face (f, face_id); | |
1078 | turn_off_highlight (); | |
1079 | ||
1080 | cmcheckmagic (); | |
1081 | } | |
1082 | ||
08a24c47 | 1083 | /* If start is zero, insert blanks instead of a string at start */ |
177c0ea7 | 1084 | |
dfcf069d | 1085 | void |
08a24c47 | 1086 | insert_glyphs (start, len) |
a168702a | 1087 | register struct glyph *start; |
08a24c47 JB |
1088 | register int len; |
1089 | { | |
1090 | char *buf; | |
6bbd7a29 | 1091 | struct glyph *glyph = NULL; |
e52f4e08 | 1092 | struct frame *f, *sf; |
af645abf KH |
1093 | unsigned char *conversion_buffer; |
1094 | unsigned char space[1]; | |
1095 | struct coding_system *coding; | |
08a24c47 | 1096 | |
a4decb7f KH |
1097 | if (len <= 0) |
1098 | return; | |
1099 | ||
a168702a | 1100 | if (insert_glyphs_hook) |
08a24c47 JB |
1101 | { |
1102 | (*insert_glyphs_hook) (start, len); | |
1103 | return; | |
1104 | } | |
a168702a | 1105 | |
e52f4e08 GM |
1106 | sf = XFRAME (selected_frame); |
1107 | f = updating_frame ? updating_frame : sf; | |
08a24c47 JB |
1108 | |
1109 | if (TS_ins_multi_chars) | |
1110 | { | |
1111 | buf = tparam (TS_ins_multi_chars, 0, 0, len); | |
1112 | OUTPUT1 (buf); | |
9ac0d9e0 | 1113 | xfree (buf); |
08a24c47 JB |
1114 | if (start) |
1115 | write_glyphs (start, len); | |
1116 | return; | |
1117 | } | |
1118 | ||
1119 | turn_on_insert (); | |
1120 | cmplus (len); | |
af645abf KH |
1121 | |
1122 | if (! start) | |
1123 | space[0] = SPACEGLYPH; | |
1124 | ||
1125 | /* If terminal_coding does any conversion, use it, otherwise use | |
1126 | safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here | |
1127 | because it always return 1 if the member src_multibyte is 1. */ | |
1128 | coding = (terminal_coding.common_flags & CODING_REQUIRE_ENCODING_MASK | |
1129 | ? &terminal_coding : &safe_terminal_coding); | |
1130 | /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at | |
1131 | the tail. */ | |
1132 | coding->mode &= ~CODING_MODE_LAST_BLOCK; | |
1133 | ||
07109bf9 | 1134 | while (len-- > 0) |
08a24c47 JB |
1135 | { |
1136 | OUTPUT1_IF (TS_ins_char); | |
1137 | if (!start) | |
32de38e4 | 1138 | { |
af645abf KH |
1139 | conversion_buffer = space; |
1140 | coding->produced = 1; | |
32de38e4 | 1141 | } |
08a24c47 | 1142 | else |
08a24c47 | 1143 | { |
65aa5e85 | 1144 | highlight_if_desired (); |
32de38e4 | 1145 | turn_on_face (f, start->face_id); |
816be8b8 | 1146 | glyph = start; |
a168702a | 1147 | ++start; |
a4decb7f KH |
1148 | /* We must open sufficient space for a character which |
1149 | occupies more than one column. */ | |
a168702a | 1150 | while (len && CHAR_GLYPH_PADDING_P (*start)) |
a4decb7f KH |
1151 | { |
1152 | OUTPUT1_IF (TS_ins_char); | |
1153 | start++, len--; | |
1154 | } | |
a4decb7f | 1155 | |
32de38e4 KH |
1156 | if (len <= 0) |
1157 | /* This is the last glyph. */ | |
af645abf | 1158 | coding->mode |= CODING_MODE_LAST_BLOCK; |
32de38e4 | 1159 | |
af645abf | 1160 | conversion_buffer = encode_terminal_code (glyph, 1, coding); |
32de38e4 | 1161 | } |
a4decb7f | 1162 | |
af645abf | 1163 | if (coding->produced > 0) |
08a24c47 | 1164 | { |
1a935bfd | 1165 | BLOCK_INPUT; |
af645abf | 1166 | fwrite (conversion_buffer, 1, coding->produced, stdout); |
08a24c47 JB |
1167 | if (ferror (stdout)) |
1168 | clearerr (stdout); | |
1169 | if (termscript) | |
af645abf | 1170 | fwrite (conversion_buffer, 1, coding->produced, termscript); |
1a935bfd | 1171 | UNBLOCK_INPUT; |
08a24c47 JB |
1172 | } |
1173 | ||
9a6b6f92 | 1174 | OUTPUT1_IF (TS_pad_inserted_char); |
32de38e4 | 1175 | if (start) |
65aa5e85 GM |
1176 | { |
1177 | turn_off_face (f, glyph->face_id); | |
1178 | turn_off_highlight (); | |
1179 | } | |
9a6b6f92 | 1180 | } |
177c0ea7 | 1181 | |
9a6b6f92 | 1182 | cmcheckmagic (); |
08a24c47 JB |
1183 | } |
1184 | ||
dfcf069d | 1185 | void |
08a24c47 JB |
1186 | delete_glyphs (n) |
1187 | register int n; | |
1188 | { | |
1189 | char *buf; | |
1190 | register int i; | |
1191 | ||
1820044b | 1192 | if (delete_glyphs_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1193 | { |
1194 | (*delete_glyphs_hook) (n); | |
1195 | return; | |
1196 | } | |
1197 | ||
1198 | if (delete_in_insert_mode) | |
1199 | { | |
1200 | turn_on_insert (); | |
1201 | } | |
1202 | else | |
1203 | { | |
1204 | turn_off_insert (); | |
1205 | OUTPUT_IF (TS_delete_mode); | |
1206 | } | |
1207 | ||
1208 | if (TS_del_multi_chars) | |
1209 | { | |
1210 | buf = tparam (TS_del_multi_chars, 0, 0, n); | |
1211 | OUTPUT1 (buf); | |
9ac0d9e0 | 1212 | xfree (buf); |
08a24c47 JB |
1213 | } |
1214 | else | |
1215 | for (i = 0; i < n; i++) | |
1216 | OUTPUT1 (TS_del_char); | |
1217 | if (!delete_in_insert_mode) | |
1218 | OUTPUT_IF (TS_end_delete_mode); | |
1219 | } | |
1220 | \f | |
1221 | /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */ | |
1222 | ||
dfcf069d | 1223 | void |
08a24c47 JB |
1224 | ins_del_lines (vpos, n) |
1225 | int vpos, n; | |
1226 | { | |
1227 | char *multi = n > 0 ? TS_ins_multi_lines : TS_del_multi_lines; | |
1228 | char *single = n > 0 ? TS_ins_line : TS_del_line; | |
1229 | char *scroll = n > 0 ? TS_rev_scroll : TS_fwd_scroll; | |
e52f4e08 | 1230 | struct frame *sf; |
08a24c47 JB |
1231 | |
1232 | register int i = n > 0 ? n : -n; | |
1233 | register char *buf; | |
1234 | ||
1820044b | 1235 | if (ins_del_lines_hook && ! FRAME_TERMCAP_P (updating_frame)) |
08a24c47 JB |
1236 | { |
1237 | (*ins_del_lines_hook) (vpos, n); | |
1238 | return; | |
1239 | } | |
1240 | ||
e52f4e08 | 1241 | sf = XFRAME (selected_frame); |
177c0ea7 | 1242 | |
08a24c47 JB |
1243 | /* If the lines below the insertion are being pushed |
1244 | into the end of the window, this is the same as clearing; | |
1245 | and we know the lines are already clear, since the matching | |
1246 | deletion has already been done. So can ignore this. */ | |
1247 | /* If the lines below the deletion are blank lines coming | |
1248 | out of the end of the window, don't bother, | |
1249 | as there will be a matching inslines later that will flush them. */ | |
1250 | if (scroll_region_ok && vpos + i >= specified_window) | |
1251 | return; | |
9882535b | 1252 | if (!memory_below_frame && vpos + i >= FRAME_LINES (sf)) |
08a24c47 JB |
1253 | return; |
1254 | ||
1255 | if (multi) | |
1256 | { | |
1257 | raw_cursor_to (vpos, 0); | |
1258 | background_highlight (); | |
1259 | buf = tparam (multi, 0, 0, i); | |
1260 | OUTPUT (buf); | |
9ac0d9e0 | 1261 | xfree (buf); |
08a24c47 JB |
1262 | } |
1263 | else if (single) | |
1264 | { | |
1265 | raw_cursor_to (vpos, 0); | |
1266 | background_highlight (); | |
1267 | while (--i >= 0) | |
1268 | OUTPUT (single); | |
1269 | if (TF_teleray) | |
1270 | curX = 0; | |
1271 | } | |
1272 | else | |
1273 | { | |
1274 | set_scroll_region (vpos, specified_window); | |
1275 | if (n < 0) | |
1276 | raw_cursor_to (specified_window - 1, 0); | |
1277 | else | |
1278 | raw_cursor_to (vpos, 0); | |
1279 | background_highlight (); | |
1280 | while (--i >= 0) | |
1281 | OUTPUTL (scroll, specified_window - vpos); | |
1282 | set_scroll_region (0, specified_window); | |
1283 | } | |
1284 | ||
ff11dfa1 | 1285 | if (!scroll_region_ok && memory_below_frame && n < 0) |
08a24c47 | 1286 | { |
9882535b | 1287 | cursor_to (FRAME_LINES (sf) + n, 0); |
08a24c47 JB |
1288 | clear_to_end (); |
1289 | } | |
1290 | } | |
1291 | \f | |
1292 | /* Compute cost of sending "str", in characters, | |
1293 | not counting any line-dependent padding. */ | |
1294 | ||
1295 | int | |
1296 | string_cost (str) | |
1297 | char *str; | |
1298 | { | |
1299 | cost = 0; | |
1300 | if (str) | |
1301 | tputs (str, 0, evalcost); | |
1302 | return cost; | |
1303 | } | |
1304 | ||
1305 | /* Compute cost of sending "str", in characters, | |
1306 | counting any line-dependent padding at one line. */ | |
1307 | ||
1308 | static int | |
1309 | string_cost_one_line (str) | |
1310 | char *str; | |
1311 | { | |
1312 | cost = 0; | |
1313 | if (str) | |
1314 | tputs (str, 1, evalcost); | |
1315 | return cost; | |
1316 | } | |
1317 | ||
1318 | /* Compute per line amount of line-dependent padding, | |
1319 | in tenths of characters. */ | |
1320 | ||
1321 | int | |
1322 | per_line_cost (str) | |
1323 | register char *str; | |
1324 | { | |
1325 | cost = 0; | |
1326 | if (str) | |
1327 | tputs (str, 0, evalcost); | |
1328 | cost = - cost; | |
1329 | if (str) | |
1330 | tputs (str, 10, evalcost); | |
1331 | return cost; | |
1332 | } | |
1333 | ||
1334 | #ifndef old | |
1335 | /* char_ins_del_cost[n] is cost of inserting N characters. | |
8dd0c7cb | 1336 | char_ins_del_cost[-n] is cost of deleting N characters. |
9882535b | 1337 | The length of this vector is based on max_frame_cols. */ |
08a24c47 JB |
1338 | |
1339 | int *char_ins_del_vector; | |
1340 | ||
9882535b | 1341 | #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))]) |
08a24c47 JB |
1342 | #endif |
1343 | ||
1344 | /* ARGSUSED */ | |
1345 | static void | |
ff11dfa1 JB |
1346 | calculate_ins_del_char_costs (frame) |
1347 | FRAME_PTR frame; | |
08a24c47 JB |
1348 | { |
1349 | int ins_startup_cost, del_startup_cost; | |
1350 | int ins_cost_per_char, del_cost_per_char; | |
1351 | register int i; | |
1352 | register int *p; | |
1353 | ||
1354 | if (TS_ins_multi_chars) | |
1355 | { | |
1356 | ins_cost_per_char = 0; | |
1357 | ins_startup_cost = string_cost_one_line (TS_ins_multi_chars); | |
1358 | } | |
1359 | else if (TS_ins_char || TS_pad_inserted_char | |
1360 | || (TS_insert_mode && TS_end_insert_mode)) | |
1361 | { | |
1362 | ins_startup_cost = (30 * (string_cost (TS_insert_mode) | |
1363 | + string_cost (TS_end_insert_mode))) / 100; | |
1364 | ins_cost_per_char = (string_cost_one_line (TS_ins_char) | |
1365 | + string_cost_one_line (TS_pad_inserted_char)); | |
1366 | } | |
1367 | else | |
1368 | { | |
1369 | ins_startup_cost = 9999; | |
1370 | ins_cost_per_char = 0; | |
1371 | } | |
1372 | ||
1373 | if (TS_del_multi_chars) | |
1374 | { | |
1375 | del_cost_per_char = 0; | |
1376 | del_startup_cost = string_cost_one_line (TS_del_multi_chars); | |
1377 | } | |
1378 | else if (TS_del_char) | |
1379 | { | |
1380 | del_startup_cost = (string_cost (TS_delete_mode) | |
1381 | + string_cost (TS_end_delete_mode)); | |
1382 | if (delete_in_insert_mode) | |
1383 | del_startup_cost /= 2; | |
1384 | del_cost_per_char = string_cost_one_line (TS_del_char); | |
1385 | } | |
1386 | else | |
1387 | { | |
1388 | del_startup_cost = 9999; | |
1389 | del_cost_per_char = 0; | |
1390 | } | |
1391 | ||
1392 | /* Delete costs are at negative offsets */ | |
ff11dfa1 | 1393 | p = &char_ins_del_cost (frame)[0]; |
9882535b | 1394 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1395 | *--p = (del_startup_cost += del_cost_per_char); |
1396 | ||
1397 | /* Doing nothing is free */ | |
ff11dfa1 | 1398 | p = &char_ins_del_cost (frame)[0]; |
08a24c47 JB |
1399 | *p++ = 0; |
1400 | ||
1401 | /* Insert costs are at positive offsets */ | |
9882535b | 1402 | for (i = FRAME_COLS (frame); --i >= 0;) |
08a24c47 JB |
1403 | *p++ = (ins_startup_cost += ins_cost_per_char); |
1404 | } | |
1405 | ||
dfcf069d | 1406 | void |
ff11dfa1 JB |
1407 | calculate_costs (frame) |
1408 | FRAME_PTR frame; | |
08a24c47 | 1409 | { |
9f732a77 RS |
1410 | register char *f = (TS_set_scroll_region |
1411 | ? TS_set_scroll_region | |
1412 | : TS_set_scroll_region_1); | |
08a24c47 | 1413 | |
9f732a77 | 1414 | FRAME_COST_BAUD_RATE (frame) = baud_rate; |
08a24c47 | 1415 | |
be7cd44f | 1416 | scroll_region_cost = string_cost (f); |
08a24c47 JB |
1417 | |
1418 | /* These variables are only used for terminal stuff. They are allocated | |
ff11dfa1 | 1419 | once for the terminal frame of X-windows emacs, but not used afterwards. |
08a24c47 JB |
1420 | |
1421 | char_ins_del_vector (i.e., char_ins_del_cost) isn't used because | |
8ede64a5 | 1422 | X turns off char_ins_del_ok. */ |
08a24c47 | 1423 | |
9882535b KS |
1424 | max_frame_lines = max (max_frame_lines, FRAME_LINES (frame)); |
1425 | max_frame_cols = max (max_frame_cols, FRAME_COLS (frame)); | |
8dd0c7cb | 1426 | |
8ede64a5 | 1427 | costs_set = 1; |
08a24c47 JB |
1428 | |
1429 | if (char_ins_del_vector != 0) | |
1430 | char_ins_del_vector | |
1431 | = (int *) xrealloc (char_ins_del_vector, | |
1432 | (sizeof (int) | |
9882535b | 1433 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 JB |
1434 | else |
1435 | char_ins_del_vector | |
1436 | = (int *) xmalloc (sizeof (int) | |
9882535b | 1437 | + 2 * max_frame_cols * sizeof (int)); |
08a24c47 | 1438 | |
08a24c47 | 1439 | bzero (char_ins_del_vector, (sizeof (int) |
9882535b | 1440 | + 2 * max_frame_cols * sizeof (int))); |
08a24c47 | 1441 | |
ff11dfa1 JB |
1442 | if (f && (!TS_ins_line && !TS_del_line)) |
1443 | do_line_insertion_deletion_costs (frame, | |
08a24c47 JB |
1444 | TS_rev_scroll, TS_ins_multi_lines, |
1445 | TS_fwd_scroll, TS_del_multi_lines, | |
ff11dfa1 | 1446 | f, f, 1); |
08a24c47 | 1447 | else |
ff11dfa1 | 1448 | do_line_insertion_deletion_costs (frame, |
08a24c47 JB |
1449 | TS_ins_line, TS_ins_multi_lines, |
1450 | TS_del_line, TS_del_multi_lines, | |
1451 | 0, 0, 1); | |
1452 | ||
ff11dfa1 | 1453 | calculate_ins_del_char_costs (frame); |
08a24c47 JB |
1454 | |
1455 | /* Don't use TS_repeat if its padding is worse than sending the chars */ | |
1456 | if (TS_repeat && per_line_cost (TS_repeat) * baud_rate < 9000) | |
1457 | RPov = string_cost (TS_repeat); | |
1458 | else | |
9882535b | 1459 | RPov = FRAME_COLS (frame) * 2; |
08a24c47 JB |
1460 | |
1461 | cmcostinit (); /* set up cursor motion costs */ | |
1462 | } | |
1463 | \f | |
a796ac82 JB |
1464 | struct fkey_table { |
1465 | char *cap, *name; | |
1466 | }; | |
1467 | ||
01d8deb0 ER |
1468 | /* Termcap capability names that correspond directly to X keysyms. |
1469 | Some of these (marked "terminfo") aren't supplied by old-style | |
1470 | (Berkeley) termcap entries. They're listed in X keysym order; | |
1471 | except we put the keypad keys first, so that if they clash with | |
1472 | other keys (as on the IBM PC keyboard) they get overridden. | |
1473 | */ | |
1474 | ||
a168702a GM |
1475 | static struct fkey_table keys[] = |
1476 | { | |
8103ad1a PJ |
1477 | {"kh", "home"}, /* termcap */ |
1478 | {"kl", "left"}, /* termcap */ | |
1479 | {"ku", "up"}, /* termcap */ | |
1480 | {"kr", "right"}, /* termcap */ | |
1481 | {"kd", "down"}, /* termcap */ | |
1482 | {"%8", "prior"}, /* terminfo */ | |
1483 | {"%5", "next"}, /* terminfo */ | |
1484 | {"@7", "end"}, /* terminfo */ | |
1485 | {"@1", "begin"}, /* terminfo */ | |
1486 | {"*6", "select"}, /* terminfo */ | |
1487 | {"%9", "print"}, /* terminfo */ | |
1488 | {"@4", "execute"}, /* terminfo --- actually the `command' key */ | |
01d8deb0 ER |
1489 | /* |
1490 | * "insert" --- see below | |
1491 | */ | |
8103ad1a PJ |
1492 | {"&8", "undo"}, /* terminfo */ |
1493 | {"%0", "redo"}, /* terminfo */ | |
1494 | {"%7", "menu"}, /* terminfo --- actually the `options' key */ | |
1495 | {"@0", "find"}, /* terminfo */ | |
1496 | {"@2", "cancel"}, /* terminfo */ | |
1497 | {"%1", "help"}, /* terminfo */ | |
01d8deb0 ER |
1498 | /* |
1499 | * "break" goes here, but can't be reliably intercepted with termcap | |
1500 | */ | |
8103ad1a | 1501 | {"&4", "reset"}, /* terminfo --- actually `restart' */ |
01d8deb0 ER |
1502 | /* |
1503 | * "system" and "user" --- no termcaps | |
1504 | */ | |
8103ad1a PJ |
1505 | {"kE", "clearline"}, /* terminfo */ |
1506 | {"kA", "insertline"}, /* terminfo */ | |
1507 | {"kL", "deleteline"}, /* terminfo */ | |
1508 | {"kI", "insertchar"}, /* terminfo */ | |
1509 | {"kD", "deletechar"}, /* terminfo */ | |
1510 | {"kB", "backtab"}, /* terminfo */ | |
01d8deb0 ER |
1511 | /* |
1512 | * "kp_backtab", "kp-space", "kp-tab" --- no termcaps | |
1513 | */ | |
8103ad1a | 1514 | {"@8", "kp-enter"}, /* terminfo */ |
01d8deb0 ER |
1515 | /* |
1516 | * "kp-f1", "kp-f2", "kp-f3" "kp-f4", | |
1517 | * "kp-multiply", "kp-add", "kp-separator", | |
1518 | * "kp-subtract", "kp-decimal", "kp-divide", "kp-0"; | |
1519 | * --- no termcaps for any of these. | |
1520 | */ | |
8103ad1a | 1521 | {"K4", "kp-1"}, /* terminfo */ |
01d8deb0 ER |
1522 | /* |
1523 | * "kp-2" --- no termcap | |
1524 | */ | |
8103ad1a | 1525 | {"K5", "kp-3"}, /* terminfo */ |
01d8deb0 ER |
1526 | /* |
1527 | * "kp-4" --- no termcap | |
1528 | */ | |
8103ad1a | 1529 | {"K2", "kp-5"}, /* terminfo */ |
01d8deb0 ER |
1530 | /* |
1531 | * "kp-6" --- no termcap | |
1532 | */ | |
8103ad1a | 1533 | {"K1", "kp-7"}, /* terminfo */ |
01d8deb0 ER |
1534 | /* |
1535 | * "kp-8" --- no termcap | |
1536 | */ | |
8103ad1a | 1537 | {"K3", "kp-9"}, /* terminfo */ |
01d8deb0 ER |
1538 | /* |
1539 | * "kp-equal" --- no termcap | |
1540 | */ | |
8103ad1a PJ |
1541 | {"k1", "f1"}, |
1542 | {"k2", "f2"}, | |
1543 | {"k3", "f3"}, | |
1544 | {"k4", "f4"}, | |
1545 | {"k5", "f5"}, | |
1546 | {"k6", "f6"}, | |
1547 | {"k7", "f7"}, | |
1548 | {"k8", "f8"}, | |
60ec7b7e DN |
1549 | {"k9", "f9"}, |
1550 | ||
1551 | {"&0", "S-cancel"}, /*shifted cancel key*/ | |
1552 | {"&9", "S-begin"}, /*shifted begin key*/ | |
1553 | {"*0", "S-find"}, /*shifted find key*/ | |
1554 | {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/ | |
1555 | {"*4", "S-delete"}, /*shifted delete-character key*/ | |
1556 | {"*7", "S-end"}, /*shifted end key*/ | |
1557 | {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/ | |
1558 | {"#1", "S-help"}, /*shifted help key*/ | |
1559 | {"#2", "S-home"}, /*shifted home key*/ | |
1560 | {"#3", "S-insert"}, /*shifted insert-character key*/ | |
1561 | {"#4", "S-left"}, /*shifted left-arrow key*/ | |
1562 | {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/ | |
1563 | {"%c", "S-next"}, /*shifted next key*/ | |
1564 | {"%e", "S-prior"}, /*shifted previous key*/ | |
1565 | {"%f", "S-print"}, /*shifted print key*/ | |
1566 | {"%g", "S-redo"}, /*shifted redo key*/ | |
1567 | {"%i", "S-right"}, /*shifted right-arrow key*/ | |
1568 | {"!3", "S-undo"} /*shifted undo key*/ | |
a796ac82 JB |
1569 | }; |
1570 | ||
f2a00342 RM |
1571 | static char **term_get_fkeys_arg; |
1572 | static Lisp_Object term_get_fkeys_1 (); | |
465db27b | 1573 | |
01d8deb0 | 1574 | /* Find the escape codes sent by the function keys for Vfunction_key_map. |
177c0ea7 | 1575 | This function scans the termcap function key sequence entries, and |
01d8deb0 ER |
1576 | adds entries to Vfunction_key_map for each function key it finds. */ |
1577 | ||
5c2c7893 JB |
1578 | void |
1579 | term_get_fkeys (address) | |
1580 | char **address; | |
f2a00342 RM |
1581 | { |
1582 | /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp | |
1583 | errors during the call. The only errors should be from Fdefine_key | |
1584 | when given a key sequence containing an invalid prefix key. If the | |
1585 | termcap defines function keys which use a prefix that is already bound | |
1586 | to a command by the default bindings, we should silently ignore that | |
1587 | function key specification, rather than giving the user an error and | |
1588 | refusing to run at all on such a terminal. */ | |
1589 | ||
1590 | extern Lisp_Object Fidentity (); | |
f2a00342 RM |
1591 | term_get_fkeys_arg = address; |
1592 | internal_condition_case (term_get_fkeys_1, Qerror, Fidentity); | |
1593 | } | |
1594 | ||
1595 | static Lisp_Object | |
1596 | term_get_fkeys_1 () | |
5c2c7893 | 1597 | { |
5c2c7893 JB |
1598 | int i; |
1599 | ||
37085233 | 1600 | char **address = term_get_fkeys_arg; |
f778aff2 | 1601 | |
3e65092f RS |
1602 | /* This can happen if CANNOT_DUMP or with strange options. */ |
1603 | if (!initialized) | |
1604 | Vfunction_key_map = Fmake_sparse_keymap (Qnil); | |
1605 | ||
5c2c7893 JB |
1606 | for (i = 0; i < (sizeof (keys)/sizeof (keys[0])); i++) |
1607 | { | |
1608 | char *sequence = tgetstr (keys[i].cap, address); | |
1609 | if (sequence) | |
f2a00342 RM |
1610 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1611 | Fmake_vector (make_number (1), | |
1612 | intern (keys[i].name))); | |
5c2c7893 | 1613 | } |
a796ac82 JB |
1614 | |
1615 | /* The uses of the "k0" capability are inconsistent; sometimes it | |
1616 | describes F10, whereas othertimes it describes F0 and "k;" describes F10. | |
eb8c3be9 | 1617 | We will attempt to politely accommodate both systems by testing for |
a796ac82 JB |
1618 | "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10. |
1619 | */ | |
1620 | { | |
1621 | char *k_semi = tgetstr ("k;", address); | |
1622 | char *k0 = tgetstr ("k0", address); | |
1623 | char *k0_name = "f10"; | |
1624 | ||
1625 | if (k_semi) | |
1626 | { | |
95c11956 SM |
1627 | if (k0) |
1628 | /* Define f0 first, so that f10 takes precedence in case the | |
1629 | key sequences happens to be the same. */ | |
1630 | Fdefine_key (Vfunction_key_map, build_string (k0), | |
1631 | Fmake_vector (make_number (1), intern ("f0"))); | |
f2a00342 RM |
1632 | Fdefine_key (Vfunction_key_map, build_string (k_semi), |
1633 | Fmake_vector (make_number (1), intern ("f10"))); | |
a796ac82 | 1634 | } |
95c11956 | 1635 | else if (k0) |
f2a00342 RM |
1636 | Fdefine_key (Vfunction_key_map, build_string (k0), |
1637 | Fmake_vector (make_number (1), intern (k0_name))); | |
a796ac82 | 1638 | } |
01d8deb0 ER |
1639 | |
1640 | /* Set up cookies for numbered function keys above f10. */ | |
1641 | { | |
1642 | char fcap[3], fkey[4]; | |
1643 | ||
fc4f24da | 1644 | fcap[0] = 'F'; fcap[2] = '\0'; |
01d8deb0 ER |
1645 | for (i = 11; i < 64; i++) |
1646 | { | |
1647 | if (i <= 19) | |
1648 | fcap[1] = '1' + i - 11; | |
1649 | else if (i <= 45) | |
b59ab95c | 1650 | fcap[1] = 'A' + i - 20; |
01d8deb0 | 1651 | else |
b59ab95c | 1652 | fcap[1] = 'a' + i - 46; |
01d8deb0 | 1653 | |
fc4f24da RS |
1654 | { |
1655 | char *sequence = tgetstr (fcap, address); | |
1656 | if (sequence) | |
1657 | { | |
465db27b | 1658 | sprintf (fkey, "f%d", i); |
f2a00342 RM |
1659 | Fdefine_key (Vfunction_key_map, build_string (sequence), |
1660 | Fmake_vector (make_number (1), | |
1661 | intern (fkey))); | |
fc4f24da RS |
1662 | } |
1663 | } | |
01d8deb0 ER |
1664 | } |
1665 | } | |
1666 | ||
1667 | /* | |
1668 | * Various mappings to try and get a better fit. | |
1669 | */ | |
1670 | { | |
fc4f24da RS |
1671 | #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \ |
1672 | if (!tgetstr (cap1, address)) \ | |
1673 | { \ | |
1674 | char *sequence = tgetstr (cap2, address); \ | |
1675 | if (sequence) \ | |
f2a00342 RM |
1676 | Fdefine_key (Vfunction_key_map, build_string (sequence), \ |
1677 | Fmake_vector (make_number (1), \ | |
1678 | intern (sym))); \ | |
fc4f24da | 1679 | } |
177c0ea7 | 1680 | |
01d8deb0 | 1681 | /* if there's no key_next keycap, map key_npage to `next' keysym */ |
27b61785 | 1682 | CONDITIONAL_REASSIGN ("%5", "kN", "next"); |
01d8deb0 | 1683 | /* if there's no key_prev keycap, map key_ppage to `previous' keysym */ |
381d11a1 | 1684 | CONDITIONAL_REASSIGN ("%8", "kP", "prior"); |
01d8deb0 | 1685 | /* if there's no key_dc keycap, map key_ic to `insert' keysym */ |
27b61785 | 1686 | CONDITIONAL_REASSIGN ("kD", "kI", "insert"); |
403c995b RS |
1687 | /* if there's no key_end keycap, map key_ll to 'end' keysym */ |
1688 | CONDITIONAL_REASSIGN ("@7", "kH", "end"); | |
0a7f697a KH |
1689 | |
1690 | /* IBM has their own non-standard dialect of terminfo. | |
1691 | If the standard name isn't found, try the IBM name. */ | |
1692 | CONDITIONAL_REASSIGN ("kB", "KO", "backtab"); | |
1693 | CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */ | |
1694 | CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */ | |
1695 | CONDITIONAL_REASSIGN ("%7", "ki", "menu"); | |
1696 | CONDITIONAL_REASSIGN ("@7", "kw", "end"); | |
1697 | CONDITIONAL_REASSIGN ("F1", "k<", "f11"); | |
1698 | CONDITIONAL_REASSIGN ("F2", "k>", "f12"); | |
1699 | CONDITIONAL_REASSIGN ("%1", "kq", "help"); | |
1700 | CONDITIONAL_REASSIGN ("*6", "kU", "select"); | |
1dd40212 | 1701 | #undef CONDITIONAL_REASSIGN |
01d8deb0 | 1702 | } |
a168702a GM |
1703 | |
1704 | return Qnil; | |
5c2c7893 JB |
1705 | } |
1706 | ||
1707 | \f | |
a168702a GM |
1708 | /*********************************************************************** |
1709 | Character Display Information | |
1710 | ***********************************************************************/ | |
1711 | ||
47021b11 KS |
1712 | /* Avoid name clash with functions defined in xterm.c */ |
1713 | #ifdef static | |
1714 | #define append_glyph append_glyph_term | |
1715 | #define produce_stretch_glyph produce_stretch_glyph_term | |
1716 | #endif | |
1717 | ||
a168702a | 1718 | static void append_glyph P_ ((struct it *)); |
f46c2aff | 1719 | static void produce_stretch_glyph P_ ((struct it *)); |
a168702a GM |
1720 | |
1721 | ||
1722 | /* Append glyphs to IT's glyph_row. Called from produce_glyphs for | |
d2b4c17d KH |
1723 | terminal frames if IT->glyph_row != NULL. IT->char_to_display is |
1724 | the character for which to produce glyphs; IT->face_id contains the | |
1725 | character's face. Padding glyphs are appended if IT->c has a | |
1726 | IT->pixel_width > 1. */ | |
177c0ea7 | 1727 | |
a168702a GM |
1728 | static void |
1729 | append_glyph (it) | |
1730 | struct it *it; | |
1731 | { | |
1732 | struct glyph *glyph, *end; | |
1733 | int i; | |
1734 | ||
1735 | xassert (it->glyph_row); | |
1736 | glyph = (it->glyph_row->glyphs[it->area] | |
1737 | + it->glyph_row->used[it->area]); | |
1738 | end = it->glyph_row->glyphs[1 + it->area]; | |
1739 | ||
177c0ea7 JB |
1740 | for (i = 0; |
1741 | i < it->pixel_width && glyph < end; | |
a168702a GM |
1742 | ++i) |
1743 | { | |
1744 | glyph->type = CHAR_GLYPH; | |
d13f3e2e | 1745 | glyph->pixel_width = 1; |
d2b4c17d | 1746 | glyph->u.ch = it->char_to_display; |
32de38e4 KH |
1747 | glyph->face_id = it->face_id; |
1748 | glyph->padding_p = i > 0; | |
a168702a GM |
1749 | glyph->charpos = CHARPOS (it->position); |
1750 | glyph->object = it->object; | |
177c0ea7 | 1751 | |
a168702a GM |
1752 | ++it->glyph_row->used[it->area]; |
1753 | ++glyph; | |
1754 | } | |
1755 | } | |
1756 | ||
1757 | ||
b50fe468 RS |
1758 | /* Produce glyphs for the display element described by IT. *IT |
1759 | specifies what we want to produce a glyph for (character, image, ...), | |
1760 | and where in the glyph matrix we currently are (glyph row and hpos). | |
1761 | produce_glyphs fills in output fields of *IT with information such as the | |
1762 | pixel width and height of a character, and maybe output actual glyphs at | |
a168702a | 1763 | the same time if IT->glyph_row is non-null. See the explanation of |
b50fe468 RS |
1764 | struct display_iterator in dispextern.h for an overview. |
1765 | ||
1766 | produce_glyphs also stores the result of glyph width, ascent | |
1767 | etc. computations in *IT. | |
1768 | ||
1769 | IT->glyph_row may be null, in which case produce_glyphs does not | |
1770 | actually fill in the glyphs. This is used in the move_* functions | |
1771 | in xdisp.c for text width and height computations. | |
1772 | ||
1773 | Callers usually don't call produce_glyphs directly; | |
1774 | instead they use the macro PRODUCE_GLYPHS. */ | |
a168702a | 1775 | |
177c0ea7 | 1776 | void |
a168702a GM |
1777 | produce_glyphs (it) |
1778 | struct it *it; | |
1779 | { | |
1780 | /* If a hook is installed, let it do the work. */ | |
1781 | xassert (it->what == IT_CHARACTER | |
c7cba11d | 1782 | || it->what == IT_COMPOSITION |
a168702a | 1783 | || it->what == IT_STRETCH); |
177c0ea7 | 1784 | |
f46c2aff KS |
1785 | if (it->what == IT_STRETCH) |
1786 | { | |
1787 | produce_stretch_glyph (it); | |
1788 | goto done; | |
1789 | } | |
1790 | ||
c7cba11d KH |
1791 | /* Nothing but characters are supported on terminal frames. For a |
1792 | composition sequence, it->c is the first character of the | |
1793 | sequence. */ | |
1794 | xassert (it->what == IT_CHARACTER | |
1795 | || it->what == IT_COMPOSITION); | |
a168702a | 1796 | |
d2b4c17d KH |
1797 | /* Maybe translate single-byte characters to multibyte. */ |
1798 | it->char_to_display = it->c; | |
1799 | ||
a168702a GM |
1800 | if (it->c >= 040 && it->c < 0177) |
1801 | { | |
1802 | it->pixel_width = it->nglyphs = 1; | |
1803 | if (it->glyph_row) | |
1804 | append_glyph (it); | |
1805 | } | |
1806 | else if (it->c == '\n') | |
1807 | it->pixel_width = it->nglyphs = 0; | |
1808 | else if (it->c == '\t') | |
1809 | { | |
2efdbcdd | 1810 | int absolute_x = (it->current_x |
a168702a | 1811 | + it->continuation_lines_width); |
177c0ea7 JB |
1812 | int next_tab_x |
1813 | = (((1 + absolute_x + it->tab_width - 1) | |
a168702a GM |
1814 | / it->tab_width) |
1815 | * it->tab_width); | |
1816 | int nspaces; | |
1817 | ||
1818 | /* If part of the TAB has been displayed on the previous line | |
1819 | which is continued now, continuation_lines_width will have | |
1820 | been incremented already by the part that fitted on the | |
1821 | continued line. So, we will get the right number of spaces | |
1822 | here. */ | |
1823 | nspaces = next_tab_x - absolute_x; | |
177c0ea7 | 1824 | |
a168702a GM |
1825 | if (it->glyph_row) |
1826 | { | |
1827 | int n = nspaces; | |
177c0ea7 | 1828 | |
d2b4c17d | 1829 | it->char_to_display = ' '; |
a168702a | 1830 | it->pixel_width = it->len = 1; |
177c0ea7 | 1831 | |
a168702a GM |
1832 | while (n--) |
1833 | append_glyph (it); | |
a168702a GM |
1834 | } |
1835 | ||
1836 | it->pixel_width = nspaces; | |
1837 | it->nglyphs = nspaces; | |
1838 | } | |
add44890 EZ |
1839 | else if (SINGLE_BYTE_CHAR_P (it->c)) |
1840 | { | |
d2b4c17d KH |
1841 | if (unibyte_display_via_language_environment |
1842 | && (it->c >= 0240 | |
1843 | || !NILP (Vnonascii_translation_table))) | |
1844 | { | |
1845 | int charset; | |
1846 | ||
1847 | it->char_to_display = unibyte_char_to_multibyte (it->c); | |
1848 | charset = CHAR_CHARSET (it->char_to_display); | |
1849 | it->pixel_width = CHARSET_WIDTH (charset); | |
1850 | it->nglyphs = it->pixel_width; | |
1851 | if (it->glyph_row) | |
1852 | append_glyph (it); | |
1853 | } | |
1854 | else | |
1855 | { | |
1856 | /* Coming here means that it->c is from display table, thus we | |
1857 | must send the code as is to the terminal. Although there's | |
1858 | no way to know how many columns it occupies on a screen, it | |
1859 | is a good assumption that a single byte code has 1-column | |
1860 | width. */ | |
1861 | it->pixel_width = it->nglyphs = 1; | |
1862 | if (it->glyph_row) | |
1863 | append_glyph (it); | |
1864 | } | |
add44890 | 1865 | } |
a168702a GM |
1866 | else |
1867 | { | |
c7cba11d KH |
1868 | /* A multi-byte character. The display width is fixed for all |
1869 | characters of the set. Some of the glyphs may have to be | |
1870 | ignored because they are already displayed in a continued | |
1871 | line. */ | |
a168702a GM |
1872 | int charset = CHAR_CHARSET (it->c); |
1873 | ||
c7cba11d | 1874 | it->pixel_width = CHARSET_WIDTH (charset); |
a168702a | 1875 | it->nglyphs = it->pixel_width; |
177c0ea7 | 1876 | |
a168702a GM |
1877 | if (it->glyph_row) |
1878 | append_glyph (it); | |
1879 | } | |
1880 | ||
f46c2aff | 1881 | done: |
177c0ea7 | 1882 | /* Advance current_x by the pixel width as a convenience for |
a168702a GM |
1883 | the caller. */ |
1884 | if (it->area == TEXT_AREA) | |
1885 | it->current_x += it->pixel_width; | |
cfe8a05e GM |
1886 | it->ascent = it->max_ascent = it->phys_ascent = it->max_phys_ascent = 0; |
1887 | it->descent = it->max_descent = it->phys_descent = it->max_phys_descent = 1; | |
a168702a GM |
1888 | } |
1889 | ||
1890 | ||
f46c2aff KS |
1891 | /* Produce a stretch glyph for iterator IT. IT->object is the value |
1892 | of the glyph property displayed. The value must be a list | |
1893 | `(space KEYWORD VALUE ...)' with the following KEYWORD/VALUE pairs | |
1894 | being recognized: | |
1895 | ||
1896 | 1. `:width WIDTH' specifies that the space should be WIDTH * | |
1897 | canonical char width wide. WIDTH may be an integer or floating | |
1898 | point number. | |
1899 | ||
1900 | 2. `:align-to HPOS' specifies that the space should be wide enough | |
1901 | to reach HPOS, a value in canonical character units. */ | |
1902 | ||
1903 | static void | |
1904 | produce_stretch_glyph (it) | |
1905 | struct it *it; | |
1906 | { | |
1907 | /* (space :width WIDTH ...) */ | |
1908 | Lisp_Object prop, plist; | |
1909 | int width = 0, align_to = -1; | |
1910 | int zero_width_ok_p = 0; | |
1911 | double tem; | |
1912 | ||
1913 | /* List should start with `space'. */ | |
1914 | xassert (CONSP (it->object) && EQ (XCAR (it->object), Qspace)); | |
1915 | plist = XCDR (it->object); | |
1916 | ||
1917 | /* Compute the width of the stretch. */ | |
1918 | if ((prop = Fplist_get (plist, QCwidth), !NILP (prop)) | |
1919 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, 0)) | |
1920 | { | |
1921 | /* Absolute width `:width WIDTH' specified and valid. */ | |
1922 | zero_width_ok_p = 1; | |
1923 | width = (int)(tem + 0.5); | |
1924 | } | |
1925 | else if ((prop = Fplist_get (plist, QCalign_to), !NILP (prop)) | |
1926 | && calc_pixel_width_or_height (&tem, it, prop, 0, 1, &align_to)) | |
1927 | { | |
1928 | if (it->glyph_row == NULL || !it->glyph_row->mode_line_p) | |
feef4f84 | 1929 | align_to = (align_to < 0 |
f46c2aff KS |
1930 | ? 0 |
1931 | : align_to - window_box_left_offset (it->w, TEXT_AREA)); | |
1932 | else if (align_to < 0) | |
1933 | align_to = window_box_left_offset (it->w, TEXT_AREA); | |
1934 | width = max (0, (int)(tem + 0.5) + align_to - it->current_x); | |
1935 | zero_width_ok_p = 1; | |
1936 | } | |
1937 | else | |
1938 | /* Nothing specified -> width defaults to canonical char width. */ | |
1939 | width = FRAME_COLUMN_WIDTH (it->f); | |
1940 | ||
1941 | if (width <= 0 && (width < 0 || !zero_width_ok_p)) | |
1942 | width = 1; | |
1943 | ||
1944 | if (width > 0 && it->glyph_row) | |
1945 | { | |
1946 | Lisp_Object o_object = it->object; | |
1947 | Lisp_Object object = it->stack[it->sp - 1].string; | |
1948 | int n = width; | |
f46c2aff KS |
1949 | |
1950 | if (!STRINGP (object)) | |
1951 | object = it->w->buffer; | |
1952 | it->object = object; | |
d2b4c17d | 1953 | it->char_to_display = ' '; |
f46c2aff KS |
1954 | it->pixel_width = it->len = 1; |
1955 | while (n--) | |
1956 | append_glyph (it); | |
1957 | it->object = o_object; | |
f46c2aff KS |
1958 | } |
1959 | it->pixel_width = width; | |
1960 | it->nglyphs = width; | |
1961 | } | |
1962 | ||
1963 | ||
a168702a GM |
1964 | /* Get information about special display element WHAT in an |
1965 | environment described by IT. WHAT is one of IT_TRUNCATION or | |
1966 | IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a | |
1967 | non-null glyph_row member. This function ensures that fields like | |
1968 | face_id, c, len of IT are left untouched. */ | |
1969 | ||
1970 | void | |
1971 | produce_special_glyphs (it, what) | |
1972 | struct it *it; | |
1973 | enum display_element_type what; | |
1974 | { | |
1975 | struct it temp_it; | |
072d84a6 | 1976 | GLYPH glyph; |
177c0ea7 | 1977 | |
a168702a GM |
1978 | temp_it = *it; |
1979 | temp_it.dp = NULL; | |
1980 | temp_it.what = IT_CHARACTER; | |
1981 | temp_it.len = 1; | |
7c752c80 | 1982 | temp_it.object = make_number (0); |
a168702a GM |
1983 | bzero (&temp_it.current, sizeof temp_it.current); |
1984 | ||
1985 | if (what == IT_CONTINUATION) | |
1986 | { | |
1987 | /* Continuation glyph. */ | |
1988 | if (it->dp | |
1989 | && INTEGERP (DISP_CONTINUE_GLYPH (it->dp)) | |
1990 | && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it->dp)))) | |
1991 | { | |
072d84a6 RS |
1992 | glyph = XINT (DISP_CONTINUE_GLYPH (it->dp)); |
1993 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
1994 | } |
1995 | else | |
072d84a6 | 1996 | glyph = '\\'; |
a168702a GM |
1997 | } |
1998 | else if (what == IT_TRUNCATION) | |
1999 | { | |
2000 | /* Truncation glyph. */ | |
2001 | if (it->dp | |
2002 | && INTEGERP (DISP_TRUNC_GLYPH (it->dp)) | |
2003 | && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it->dp)))) | |
2004 | { | |
072d84a6 RS |
2005 | glyph = XINT (DISP_TRUNC_GLYPH (it->dp)); |
2006 | glyph = spec_glyph_lookup_face (XWINDOW (it->window), glyph); | |
a168702a GM |
2007 | } |
2008 | else | |
072d84a6 | 2009 | glyph = '$'; |
a168702a GM |
2010 | } |
2011 | else | |
2012 | abort (); | |
072d84a6 RS |
2013 | |
2014 | temp_it.c = FAST_GLYPH_CHAR (glyph); | |
2015 | temp_it.face_id = FAST_GLYPH_FACE (glyph); | |
2016 | temp_it.len = CHAR_BYTES (temp_it.c); | |
2017 | ||
2018 | produce_glyphs (&temp_it); | |
2019 | it->pixel_width = temp_it.pixel_width; | |
2020 | it->nglyphs = temp_it.pixel_width; | |
a168702a GM |
2021 | } |
2022 | ||
2023 | ||
a168702a GM |
2024 | \f |
2025 | /*********************************************************************** | |
2026 | Faces | |
2027 | ***********************************************************************/ | |
2028 | ||
4e6ba4a4 GM |
2029 | /* Value is non-zero if attribute ATTR may be used. ATTR should be |
2030 | one of the enumerators from enum no_color_bit, or a bit set built | |
2031 | from them. Some display attributes may not be used together with | |
2032 | color; the termcap capability `NC' specifies which ones. */ | |
2033 | ||
2034 | #define MAY_USE_WITH_COLORS_P(ATTR) \ | |
2035 | (TN_max_colors > 0 \ | |
2036 | ? (TN_no_color_video & (ATTR)) == 0 \ | |
2037 | : 1) | |
a168702a | 2038 | |
072d84a6 RS |
2039 | /* Turn appearances of face FACE_ID on tty frame F on. |
2040 | FACE_ID is a realized face ID number, in the face cache. */ | |
a168702a GM |
2041 | |
2042 | static void | |
2043 | turn_on_face (f, face_id) | |
2044 | struct frame *f; | |
2045 | int face_id; | |
2046 | { | |
2047 | struct face *face = FACE_FROM_ID (f, face_id); | |
86a7d192 GM |
2048 | long fg = face->foreground; |
2049 | long bg = face->background; | |
a168702a | 2050 | |
86a7d192 GM |
2051 | /* Do this first because TS_end_standout_mode may be the same |
2052 | as TS_exit_attribute_mode, which turns all appearances off. */ | |
2053 | if (MAY_USE_WITH_COLORS_P (NC_REVERSE)) | |
2054 | { | |
2055 | if (TN_max_colors > 0) | |
2056 | { | |
2057 | if (fg >= 0 && bg >= 0) | |
2058 | { | |
2059 | /* If the terminal supports colors, we can set them | |
2060 | below without using reverse video. The face's fg | |
2061 | and bg colors are set as they should appear on | |
2062 | the screen, i.e. they take the inverse-video'ness | |
2063 | of the face already into account. */ | |
2064 | } | |
2065 | else if (inverse_video) | |
2066 | { | |
2067 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2068 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2069 | toggle_highlight (); | |
2070 | } | |
2071 | else | |
2072 | { | |
2073 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2074 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2075 | toggle_highlight (); | |
2076 | } | |
2077 | } | |
2078 | else | |
2079 | { | |
2080 | /* If we can't display colors, use reverse video | |
2081 | if the face specifies that. */ | |
37526b42 GM |
2082 | if (inverse_video) |
2083 | { | |
2084 | if (fg == FACE_TTY_DEFAULT_FG_COLOR | |
2085 | || bg == FACE_TTY_DEFAULT_BG_COLOR) | |
2086 | toggle_highlight (); | |
2087 | } | |
2088 | else | |
2089 | { | |
2090 | if (fg == FACE_TTY_DEFAULT_BG_COLOR | |
2091 | || bg == FACE_TTY_DEFAULT_FG_COLOR) | |
2092 | toggle_highlight (); | |
2093 | } | |
86a7d192 GM |
2094 | } |
2095 | } | |
a168702a GM |
2096 | |
2097 | if (face->tty_bold_p) | |
4e6ba4a4 GM |
2098 | { |
2099 | if (MAY_USE_WITH_COLORS_P (NC_BOLD)) | |
2100 | OUTPUT1_IF (TS_enter_bold_mode); | |
2101 | } | |
a168702a | 2102 | else if (face->tty_dim_p) |
4e6ba4a4 GM |
2103 | if (MAY_USE_WITH_COLORS_P (NC_DIM)) |
2104 | OUTPUT1_IF (TS_enter_dim_mode); | |
a168702a GM |
2105 | |
2106 | /* Alternate charset and blinking not yet used. */ | |
4e6ba4a4 GM |
2107 | if (face->tty_alt_charset_p |
2108 | && MAY_USE_WITH_COLORS_P (NC_ALT_CHARSET)) | |
a168702a GM |
2109 | OUTPUT1_IF (TS_enter_alt_charset_mode); |
2110 | ||
4e6ba4a4 GM |
2111 | if (face->tty_blinking_p |
2112 | && MAY_USE_WITH_COLORS_P (NC_BLINK)) | |
a168702a GM |
2113 | OUTPUT1_IF (TS_enter_blink_mode); |
2114 | ||
54800acb | 2115 | if (face->tty_underline_p && MAY_USE_WITH_COLORS_P (NC_UNDERLINE)) |
a168702a GM |
2116 | OUTPUT1_IF (TS_enter_underline_mode); |
2117 | ||
a168702a GM |
2118 | if (TN_max_colors > 0) |
2119 | { | |
753d161b | 2120 | char *ts, *p; |
177c0ea7 | 2121 | |
753d161b JL |
2122 | ts = standout_mode ? TS_set_background : TS_set_foreground; |
2123 | if (fg >= 0 && ts) | |
a168702a | 2124 | { |
753d161b | 2125 | p = tparam (ts, NULL, 0, (int) fg); |
a168702a GM |
2126 | OUTPUT (p); |
2127 | xfree (p); | |
2128 | } | |
2129 | ||
753d161b JL |
2130 | ts = standout_mode ? TS_set_foreground : TS_set_background; |
2131 | if (bg >= 0 && ts) | |
a168702a | 2132 | { |
753d161b | 2133 | p = tparam (ts, NULL, 0, (int) bg); |
a168702a GM |
2134 | OUTPUT (p); |
2135 | xfree (p); | |
2136 | } | |
2137 | } | |
2138 | } | |
177c0ea7 | 2139 | |
a168702a GM |
2140 | |
2141 | /* Turn off appearances of face FACE_ID on tty frame F. */ | |
2142 | ||
2143 | static void | |
2144 | turn_off_face (f, face_id) | |
2145 | struct frame *f; | |
2146 | int face_id; | |
2147 | { | |
2148 | struct face *face = FACE_FROM_ID (f, face_id); | |
a168702a GM |
2149 | |
2150 | xassert (face != NULL); | |
2151 | ||
2152 | if (TS_exit_attribute_mode) | |
2153 | { | |
2154 | /* Capability "me" will turn off appearance modes double-bright, | |
2155 | half-bright, reverse-video, standout, underline. It may or | |
2156 | may not turn off alt-char-mode. */ | |
2157 | if (face->tty_bold_p | |
2158 | || face->tty_dim_p | |
2159 | || face->tty_reverse_p | |
2160 | || face->tty_alt_charset_p | |
2161 | || face->tty_blinking_p | |
2162 | || face->tty_underline_p) | |
65aa5e85 GM |
2163 | { |
2164 | OUTPUT1_IF (TS_exit_attribute_mode); | |
2165 | if (strcmp (TS_exit_attribute_mode, TS_end_standout_mode) == 0) | |
2166 | standout_mode = 0; | |
2167 | } | |
a168702a GM |
2168 | |
2169 | if (face->tty_alt_charset_p) | |
2170 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2171 | } | |
2172 | else | |
2173 | { | |
2174 | /* If we don't have "me" we can only have those appearances | |
2175 | that have exit sequences defined. */ | |
2176 | if (face->tty_alt_charset_p) | |
2177 | OUTPUT_IF (TS_exit_alt_charset_mode); | |
2178 | ||
54800acb | 2179 | if (face->tty_underline_p) |
a168702a GM |
2180 | OUTPUT_IF (TS_exit_underline_mode); |
2181 | } | |
2182 | ||
2183 | /* Switch back to default colors. */ | |
2184 | if (TN_max_colors > 0 | |
f9d2fdc4 EZ |
2185 | && ((face->foreground != FACE_TTY_DEFAULT_COLOR |
2186 | && face->foreground != FACE_TTY_DEFAULT_FG_COLOR) | |
2187 | || (face->background != FACE_TTY_DEFAULT_COLOR | |
2188 | && face->background != FACE_TTY_DEFAULT_BG_COLOR))) | |
a168702a GM |
2189 | OUTPUT1_IF (TS_orig_pair); |
2190 | } | |
177c0ea7 JB |
2191 | |
2192 | ||
b63a55ac MB |
2193 | /* Return non-zero if the terminal on frame F supports all of the |
2194 | capabilities in CAPS simultaneously, with foreground and background | |
2195 | colors FG and BG. */ | |
2196 | ||
4a8130f2 MB |
2197 | int |
2198 | tty_capable_p (f, caps, fg, bg) | |
b63a55ac MB |
2199 | struct frame *f; |
2200 | unsigned caps; | |
2201 | unsigned long fg, bg; | |
2202 | { | |
2203 | #define TTY_CAPABLE_P_TRY(cap, TS, NC_bit) \ | |
2204 | if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(NC_bit))) \ | |
2205 | return 0; | |
2206 | ||
2207 | TTY_CAPABLE_P_TRY (TTY_CAP_INVERSE, TS_standout_mode, NC_REVERSE); | |
2208 | TTY_CAPABLE_P_TRY (TTY_CAP_UNDERLINE, TS_enter_underline_mode, NC_UNDERLINE); | |
2209 | TTY_CAPABLE_P_TRY (TTY_CAP_BOLD, TS_enter_bold_mode, NC_BOLD); | |
2210 | TTY_CAPABLE_P_TRY (TTY_CAP_DIM, TS_enter_dim_mode, NC_DIM); | |
2211 | TTY_CAPABLE_P_TRY (TTY_CAP_BLINK, TS_enter_blink_mode, NC_BLINK); | |
2212 | TTY_CAPABLE_P_TRY (TTY_CAP_ALT_CHARSET, TS_enter_alt_charset_mode, NC_ALT_CHARSET); | |
2213 | ||
2214 | /* We can do it! */ | |
2215 | return 1; | |
2216 | } | |
2217 | ||
2218 | ||
a168702a GM |
2219 | /* Return non-zero if the terminal is capable to display colors. */ |
2220 | ||
2221 | DEFUN ("tty-display-color-p", Ftty_display_color_p, Stty_display_color_p, | |
981e4297 | 2222 | 0, 1, 0, |
99fdd6bc EZ |
2223 | doc: /* Return non-nil if TTY can display colors on DISPLAY. */) |
2224 | (display) | |
2225 | Lisp_Object display; | |
a168702a GM |
2226 | { |
2227 | return TN_max_colors > 0 ? Qt : Qnil; | |
2228 | } | |
2229 | ||
bfa62f96 EZ |
2230 | /* Return the number of supported colors. */ |
2231 | DEFUN ("tty-display-color-cells", Ftty_display_color_cells, | |
2232 | Stty_display_color_cells, 0, 1, 0, | |
99fdd6bc EZ |
2233 | doc: /* Return the number of colors supported by TTY on DISPLAY. */) |
2234 | (display) | |
2235 | Lisp_Object display; | |
bfa62f96 EZ |
2236 | { |
2237 | return make_number (TN_max_colors); | |
2238 | } | |
2239 | ||
ace28297 | 2240 | #ifndef WINDOWSNT |
a168702a | 2241 | |
ace28297 EZ |
2242 | /* Save or restore the default color-related capabilities of this |
2243 | terminal. */ | |
2244 | static void | |
2245 | tty_default_color_capabilities (save) | |
2246 | int save; | |
2247 | { | |
2248 | static char | |
2249 | *default_orig_pair, *default_set_foreground, *default_set_background; | |
2250 | static int default_max_colors, default_max_pairs, default_no_color_video; | |
2251 | ||
2252 | if (save) | |
2253 | { | |
2254 | if (default_orig_pair) | |
2255 | xfree (default_orig_pair); | |
2256 | default_orig_pair = TS_orig_pair ? xstrdup (TS_orig_pair) : NULL; | |
2257 | ||
2258 | if (default_set_foreground) | |
2259 | xfree (default_set_foreground); | |
2260 | default_set_foreground = TS_set_foreground ? xstrdup (TS_set_foreground) | |
2261 | : NULL; | |
2262 | ||
2263 | if (default_set_background) | |
2264 | xfree (default_set_background); | |
2265 | default_set_background = TS_set_background ? xstrdup (TS_set_background) | |
2266 | : NULL; | |
2267 | ||
2268 | default_max_colors = TN_max_colors; | |
2269 | default_max_pairs = TN_max_pairs; | |
2270 | default_no_color_video = TN_no_color_video; | |
2271 | } | |
2272 | else | |
2273 | { | |
2274 | TS_orig_pair = default_orig_pair; | |
2275 | TS_set_foreground = default_set_foreground; | |
2276 | TS_set_background = default_set_background; | |
2277 | TN_max_colors = default_max_colors; | |
2278 | TN_max_pairs = default_max_pairs; | |
2279 | TN_no_color_video = default_no_color_video; | |
2280 | } | |
2281 | } | |
2282 | ||
2283 | /* Setup one of the standard tty color schemes according to MODE. | |
2284 | MODE's value is generally the number of colors which we want to | |
2285 | support; zero means set up for the default capabilities, the ones | |
2286 | we saw at term_init time; -1 means turn off color support. */ | |
2287 | void | |
2288 | tty_setup_colors (mode) | |
2289 | int mode; | |
2290 | { | |
40409f05 EZ |
2291 | /* Canonicalize all negative values of MODE. */ |
2292 | if (mode < -1) | |
2293 | mode = -1; | |
2294 | ||
ace28297 EZ |
2295 | switch (mode) |
2296 | { | |
2297 | case -1: /* no colors at all */ | |
2298 | TN_max_colors = 0; | |
2299 | TN_max_pairs = 0; | |
2300 | TN_no_color_video = 0; | |
2301 | TS_set_foreground = TS_set_background = TS_orig_pair = NULL; | |
2302 | break; | |
2303 | case 0: /* default colors, if any */ | |
2304 | default: | |
2305 | tty_default_color_capabilities (0); | |
2306 | break; | |
2307 | case 8: /* 8 standard ANSI colors */ | |
2308 | TS_orig_pair = "\033[0m"; | |
2309 | #ifdef TERMINFO | |
2310 | TS_set_foreground = "\033[3%p1%dm"; | |
2311 | TS_set_background = "\033[4%p1%dm"; | |
2312 | #else | |
2313 | TS_set_foreground = "\033[3%dm"; | |
2314 | TS_set_background = "\033[4%dm"; | |
2315 | #endif | |
2316 | TN_max_colors = 8; | |
2317 | TN_max_pairs = 64; | |
2318 | TN_no_color_video = 0; | |
2319 | break; | |
2320 | } | |
2321 | } | |
2322 | ||
2323 | void | |
2324 | set_tty_color_mode (f, val) | |
2325 | struct frame *f; | |
2326 | Lisp_Object val; | |
2327 | { | |
dfc7a077 | 2328 | Lisp_Object color_mode_spec, current_mode_spec; |
ace28297 EZ |
2329 | Lisp_Object color_mode, current_mode; |
2330 | int mode, old_mode; | |
2331 | extern Lisp_Object Qtty_color_mode; | |
2332 | Lisp_Object tty_color_mode_alist; | |
2333 | ||
2334 | tty_color_mode_alist = Fintern_soft (build_string ("tty-color-mode-alist"), | |
2335 | Qnil); | |
2336 | ||
9ac61a89 | 2337 | if (INTEGERP (val)) |
ace28297 EZ |
2338 | color_mode = val; |
2339 | else | |
2340 | { | |
2341 | if (NILP (tty_color_mode_alist)) | |
2342 | color_mode_spec = Qnil; | |
2343 | else | |
2344 | color_mode_spec = Fassq (val, XSYMBOL (tty_color_mode_alist)->value); | |
ace28297 EZ |
2345 | |
2346 | if (CONSP (color_mode_spec)) | |
2347 | color_mode = XCDR (color_mode_spec); | |
2348 | else | |
2349 | color_mode = Qnil; | |
2350 | } | |
545d91d5 RS |
2351 | |
2352 | current_mode_spec = assq_no_quit (Qtty_color_mode, f->param_alist); | |
2353 | ||
ace28297 EZ |
2354 | if (CONSP (current_mode_spec)) |
2355 | current_mode = XCDR (current_mode_spec); | |
2356 | else | |
2357 | current_mode = Qnil; | |
9ac61a89 | 2358 | if (INTEGERP (color_mode)) |
ace28297 EZ |
2359 | mode = XINT (color_mode); |
2360 | else | |
2361 | mode = 0; /* meaning default */ | |
9ac61a89 | 2362 | if (INTEGERP (current_mode)) |
ace28297 EZ |
2363 | old_mode = XINT (current_mode); |
2364 | else | |
2365 | old_mode = 0; | |
2366 | ||
2367 | if (mode != old_mode) | |
2368 | { | |
2369 | tty_setup_colors (mode); | |
2370 | /* This recomputes all the faces given the new color | |
2371 | definitions. */ | |
2372 | call0 (intern ("tty-set-up-initial-frame-faces")); | |
2373 | redraw_frame (f); | |
2374 | } | |
2375 | } | |
2376 | ||
2377 | #endif /* !WINDOWSNT */ | |
a168702a GM |
2378 | |
2379 | \f | |
e882229c NR |
2380 | /*********************************************************************** |
2381 | Mouse | |
2382 | ***********************************************************************/ | |
2383 | ||
2384 | #ifdef HAVE_GPM_H | |
2385 | static void | |
2386 | term_show_mouse_face (enum draw_glyphs_face draw) | |
2387 | { | |
2388 | struct window *w = XWINDOW (mouse_face_window); | |
2389 | int save_x, save_y; | |
2390 | int i, j; | |
2391 | ||
2392 | if (/* If window is in the process of being destroyed, don't bother | |
2393 | to do anything. */ | |
2394 | w->current_matrix != NULL | |
2395 | /* Recognize when we are called to operate on rows that don't exist | |
2396 | anymore. This can happen when a window is split. */ | |
2397 | && mouse_face_end_row < w->current_matrix->nrows) | |
2398 | { | |
2399 | /* write_glyphs writes at cursor position, so we need to | |
2400 | temporarily move cursor coordinates to the beginning of | |
2401 | the highlight region. */ | |
2402 | ||
2403 | /* Save current cursor co-ordinates */ | |
2404 | save_y = curY; | |
2405 | save_x = curX; | |
2406 | ||
2407 | /* Note that mouse_face_beg_row etc. are window relative. */ | |
2408 | for (i = mouse_face_beg_row; i <= mouse_face_end_row; i++) | |
2409 | { | |
2410 | int start_hpos, end_hpos, nglyphs; | |
2411 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, i); | |
2412 | ||
2413 | /* Don't do anything if row doesn't have valid contents. */ | |
2414 | if (!row->enabled_p) | |
2415 | continue; | |
2416 | ||
2417 | /* For all but the first row, the highlight starts at column 0. */ | |
2418 | if (i == mouse_face_beg_row) | |
2419 | start_hpos = mouse_face_beg_col; | |
2420 | else | |
2421 | start_hpos = 0; | |
2422 | ||
2423 | if (i == mouse_face_end_row) | |
2424 | end_hpos = mouse_face_end_col; | |
2425 | else | |
2426 | { | |
2427 | end_hpos = row->used[TEXT_AREA]; | |
2428 | if (draw == DRAW_NORMAL_TEXT) | |
2429 | row->fill_line_p = 1; /* Clear to end of line */ | |
2430 | } | |
2431 | ||
2432 | if (end_hpos <= start_hpos) | |
2433 | continue; | |
2434 | /* Record that some glyphs of this row are displayed in | |
2435 | mouse-face. */ | |
2436 | row->mouse_face_p = draw > 0; | |
2437 | ||
2438 | nglyphs = end_hpos - start_hpos; | |
2439 | ||
2440 | if (end_hpos >= row->used[TEXT_AREA]) | |
2441 | nglyphs = row->used[TEXT_AREA] - start_hpos; | |
2442 | ||
2443 | pos_y = row->y + WINDOW_TOP_EDGE_Y (w); | |
2444 | pos_x = row->used[LEFT_MARGIN_AREA] + start_hpos | |
2445 | + WINDOW_LEFT_EDGE_X (w); | |
2446 | ||
2447 | cursor_to (pos_y, pos_x); | |
2448 | ||
2449 | if (draw == DRAW_MOUSE_FACE) | |
2450 | { | |
2451 | write_glyphs_with_face (row->glyphs[TEXT_AREA] + start_hpos, | |
2452 | nglyphs, mouse_face_face_id); | |
2453 | } | |
2454 | else /* draw == DRAW_NORMAL_TEXT */ | |
2455 | write_glyphs (row->glyphs[TEXT_AREA] + start_hpos, nglyphs); | |
2456 | } | |
2457 | cursor_to (save_y, save_x); | |
2458 | } | |
2459 | } | |
2460 | ||
2461 | static void | |
2462 | term_clear_mouse_face () | |
2463 | { | |
2464 | if (!NILP (mouse_face_window)) | |
2465 | term_show_mouse_face (DRAW_NORMAL_TEXT); | |
2466 | ||
2467 | mouse_face_beg_row = mouse_face_beg_col = -1; | |
2468 | mouse_face_end_row = mouse_face_end_col = -1; | |
2469 | mouse_face_window = Qnil; | |
2470 | } | |
2471 | ||
2472 | /* Find the glyph matrix position of buffer position POS in window W. | |
2473 | *HPOS and *VPOS are set to the positions found. W's current glyphs | |
2474 | must be up to date. If POS is above window start return (0, 0). | |
2475 | If POS is after end of W, return end of last line in W. | |
2476 | - taken from msdos.c */ | |
2477 | static int | |
2478 | fast_find_position (struct window *w, int pos, int *hpos, int *vpos) | |
2479 | { | |
2480 | int i, lastcol, line_start_position, maybe_next_line_p = 0; | |
2481 | int yb = window_text_bottom_y (w); | |
2482 | struct glyph_row *row = MATRIX_ROW (w->current_matrix, 0), *best_row = row; | |
2483 | ||
2484 | while (row->y < yb) | |
2485 | { | |
2486 | if (row->used[TEXT_AREA]) | |
2487 | line_start_position = row->glyphs[TEXT_AREA]->charpos; | |
2488 | else | |
2489 | line_start_position = 0; | |
2490 | ||
2491 | if (line_start_position > pos) | |
2492 | break; | |
2493 | /* If the position sought is the end of the buffer, | |
2494 | don't include the blank lines at the bottom of the window. */ | |
2495 | else if (line_start_position == pos | |
2496 | && pos == BUF_ZV (XBUFFER (w->buffer))) | |
2497 | { | |
2498 | maybe_next_line_p = 1; | |
2499 | break; | |
2500 | } | |
2501 | else if (line_start_position > 0) | |
2502 | best_row = row; | |
2503 | ||
2504 | /* Don't overstep the last matrix row, lest we get into the | |
2505 | never-never land... */ | |
2506 | if (row->y + 1 >= yb) | |
2507 | break; | |
2508 | ||
2509 | ++row; | |
2510 | } | |
2511 | ||
2512 | /* Find the right column within BEST_ROW. */ | |
2513 | lastcol = 0; | |
2514 | row = best_row; | |
2515 | for (i = 0; i < row->used[TEXT_AREA]; i++) | |
2516 | { | |
2517 | struct glyph *glyph = row->glyphs[TEXT_AREA] + i; | |
2518 | int charpos; | |
2519 | ||
2520 | charpos = glyph->charpos; | |
2521 | if (charpos == pos) | |
2522 | { | |
2523 | *hpos = i; | |
2524 | *vpos = row->y; | |
2525 | return 1; | |
2526 | } | |
2527 | else if (charpos > pos) | |
2528 | break; | |
2529 | else if (charpos > 0) | |
2530 | lastcol = i; | |
2531 | } | |
2532 | ||
2533 | /* If we're looking for the end of the buffer, | |
2534 | and we didn't find it in the line we scanned, | |
2535 | use the start of the following line. */ | |
2536 | if (maybe_next_line_p) | |
2537 | { | |
2538 | ++row; | |
2539 | lastcol = 0; | |
2540 | } | |
2541 | ||
2542 | *vpos = row->y; | |
2543 | *hpos = lastcol + 1; | |
2544 | return 0; | |
2545 | } | |
2546 | ||
2547 | static void | |
2548 | term_mouse_highlight (struct frame *f, int x, int y) | |
2549 | { | |
2550 | enum window_part part; | |
2551 | Lisp_Object window; | |
2552 | struct window *w; | |
2553 | struct buffer *b; | |
2554 | ||
2555 | if (NILP (Vmouse_highlight) | |
2556 | || !f->glyphs_initialized_p) | |
2557 | return; | |
2558 | ||
2559 | mouse_face_mouse_x = x; | |
2560 | mouse_face_mouse_y = y; | |
2561 | mouse_face_mouse_frame = f; | |
2562 | ||
2563 | /* Which window is that in? */ | |
2564 | window = window_from_coordinates (f, x, y, &part, &x, &y, 0); | |
2565 | ||
2566 | /* Not on a window -> return. */ | |
2567 | if (!WINDOWP (window)) | |
2568 | return; | |
2569 | ||
2570 | if (!EQ (window, mouse_face_window)) | |
2571 | term_clear_mouse_face (); | |
2572 | ||
2573 | w = XWINDOW (window); | |
2574 | ||
2575 | /* Are we in a window whose display is up to date? | |
2576 | And verify the buffer's text has not changed. */ | |
2577 | b = XBUFFER (w->buffer); | |
2578 | if (part == ON_TEXT | |
2579 | && EQ (w->window_end_valid, w->buffer) | |
2580 | && XFASTINT (w->last_modified) == BUF_MODIFF (b) | |
2581 | && XFASTINT (w->last_overlay_modified) == BUF_OVERLAY_MODIFF (b)) | |
2582 | { | |
2583 | int pos, i, nrows = w->current_matrix->nrows; | |
2584 | struct glyph_row *row; | |
2585 | struct glyph *glyph; | |
2586 | ||
2587 | /* Find the glyph under X/Y. */ | |
2588 | glyph = NULL; | |
2589 | if (y >= 0 && y < nrows) | |
2590 | { | |
2591 | row = MATRIX_ROW (w->current_matrix, y); | |
2592 | /* Give up if some row before the one we are looking for is | |
2593 | not enabled. */ | |
2594 | for (i = 0; i <= y; i++) | |
2595 | if (!MATRIX_ROW (w->current_matrix, i)->enabled_p) | |
2596 | break; | |
2597 | if (i > y /* all rows upto and including the one at Y are enabled */ | |
2598 | && row->displays_text_p | |
2599 | && x < window_box_width (w, TEXT_AREA)) | |
2600 | { | |
2601 | glyph = row->glyphs[TEXT_AREA]; | |
2602 | if (x >= row->used[TEXT_AREA]) | |
2603 | glyph = NULL; | |
2604 | else | |
2605 | { | |
2606 | glyph += x; | |
2607 | if (!BUFFERP (glyph->object)) | |
2608 | glyph = NULL; | |
2609 | } | |
2610 | } | |
2611 | } | |
2612 | ||
2613 | /* Clear mouse face if X/Y not over text. */ | |
2614 | if (glyph == NULL) | |
2615 | { | |
2616 | term_clear_mouse_face (); | |
2617 | return; | |
2618 | } | |
2619 | ||
2620 | if (!BUFFERP (glyph->object)) | |
2621 | abort (); | |
2622 | pos = glyph->charpos; | |
2623 | ||
2624 | /* Check for mouse-face. */ | |
2625 | { | |
2626 | extern Lisp_Object Qmouse_face; | |
2627 | Lisp_Object mouse_face, overlay, position, *overlay_vec; | |
2628 | int noverlays, obegv, ozv;; | |
2629 | struct buffer *obuf; | |
2630 | ||
2631 | /* If we get an out-of-range value, return now; avoid an error. */ | |
2632 | if (pos > BUF_Z (b)) | |
2633 | return; | |
2634 | ||
2635 | /* Make the window's buffer temporarily current for | |
2636 | overlays_at and compute_char_face. */ | |
2637 | obuf = current_buffer; | |
2638 | current_buffer = b; | |
2639 | obegv = BEGV; | |
2640 | ozv = ZV; | |
2641 | BEGV = BEG; | |
2642 | ZV = Z; | |
2643 | ||
2644 | /* Is this char mouse-active? */ | |
2645 | XSETINT (position, pos); | |
2646 | ||
2647 | /* Put all the overlays we want in a vector in overlay_vec. */ | |
2648 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, NULL, 0); | |
2649 | /* Sort overlays into increasing priority order. */ | |
2650 | noverlays = sort_overlays (overlay_vec, noverlays, w); | |
2651 | ||
2652 | /* Check mouse-face highlighting. */ | |
2653 | if (!(EQ (window, mouse_face_window) | |
2654 | && y >= mouse_face_beg_row | |
2655 | && y <= mouse_face_end_row | |
2656 | && (y > mouse_face_beg_row | |
2657 | || x >= mouse_face_beg_col) | |
2658 | && (y < mouse_face_end_row | |
2659 | || x < mouse_face_end_col | |
2660 | || mouse_face_past_end))) | |
2661 | { | |
2662 | /* Clear the display of the old active region, if any. */ | |
2663 | term_clear_mouse_face (); | |
2664 | ||
2665 | /* Find the highest priority overlay that has a mouse-face | |
2666 | property. */ | |
2667 | overlay = Qnil; | |
2668 | for (i = noverlays - 1; i >= 0; --i) | |
2669 | { | |
2670 | mouse_face = Foverlay_get (overlay_vec[i], Qmouse_face); | |
2671 | if (!NILP (mouse_face)) | |
2672 | { | |
2673 | overlay = overlay_vec[i]; | |
2674 | break; | |
2675 | } | |
2676 | } | |
2677 | ||
2678 | /* If no overlay applies, get a text property. */ | |
2679 | if (NILP (overlay)) | |
2680 | mouse_face = Fget_text_property (position, Qmouse_face, | |
2681 | w->buffer); | |
2682 | ||
2683 | /* Handle the overlay case. */ | |
2684 | if (!NILP (overlay)) | |
2685 | { | |
2686 | /* Find the range of text around this char that | |
2687 | should be active. */ | |
2688 | Lisp_Object before, after; | |
2689 | int ignore; | |
2690 | ||
2691 | ||
2692 | before = Foverlay_start (overlay); | |
2693 | after = Foverlay_end (overlay); | |
2694 | /* Record this as the current active region. */ | |
2695 | fast_find_position (w, XFASTINT (before), | |
2696 | &mouse_face_beg_col, | |
2697 | &mouse_face_beg_row); | |
2698 | ||
2699 | mouse_face_past_end | |
2700 | = !fast_find_position (w, XFASTINT (after), | |
2701 | &mouse_face_end_col, | |
2702 | &mouse_face_end_row); | |
2703 | mouse_face_window = window; | |
2704 | ||
2705 | mouse_face_face_id | |
2706 | = face_at_buffer_position (w, pos, 0, 0, | |
2707 | &ignore, pos + 1, 1); | |
2708 | ||
2709 | /* Display it as active. */ | |
2710 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2711 | } | |
2712 | /* Handle the text property case. */ | |
2713 | else if (!NILP (mouse_face)) | |
2714 | { | |
2715 | /* Find the range of text around this char that | |
2716 | should be active. */ | |
2717 | Lisp_Object before, after, beginning, end; | |
2718 | int ignore; | |
2719 | ||
2720 | beginning = Fmarker_position (w->start); | |
2721 | XSETINT (end, (BUF_Z (b) - XFASTINT (w->window_end_pos))); | |
2722 | before | |
2723 | = Fprevious_single_property_change (make_number (pos + 1), | |
2724 | Qmouse_face, | |
2725 | w->buffer, beginning); | |
2726 | after | |
2727 | = Fnext_single_property_change (position, Qmouse_face, | |
2728 | w->buffer, end); | |
2729 | ||
2730 | /* Record this as the current active region. */ | |
2731 | fast_find_position (w, XFASTINT (before), | |
2732 | &mouse_face_beg_col, | |
2733 | &mouse_face_beg_row); | |
2734 | mouse_face_past_end | |
2735 | = !fast_find_position (w, XFASTINT (after), | |
2736 | &mouse_face_end_col, | |
2737 | &mouse_face_end_row); | |
2738 | mouse_face_window = window; | |
2739 | ||
2740 | mouse_face_face_id | |
2741 | = face_at_buffer_position (w, pos, 0, 0, | |
2742 | &ignore, pos + 1, 1); | |
2743 | ||
2744 | /* Display it as active. */ | |
2745 | term_show_mouse_face (DRAW_MOUSE_FACE); | |
2746 | } | |
2747 | } | |
2748 | ||
2749 | /* Look for a `help-echo' property. */ | |
2750 | { | |
2751 | Lisp_Object help; | |
2752 | extern Lisp_Object Qhelp_echo; | |
2753 | ||
2754 | /* Check overlays first. */ | |
2755 | help = Qnil; | |
2756 | for (i = noverlays - 1; i >= 0 && NILP (help); --i) | |
2757 | { | |
2758 | overlay = overlay_vec[i]; | |
2759 | help = Foverlay_get (overlay, Qhelp_echo); | |
2760 | } | |
2761 | ||
2762 | if (!NILP (help)) | |
2763 | { | |
2764 | help_echo_string = help; | |
2765 | help_echo_window = window; | |
2766 | help_echo_object = overlay; | |
2767 | help_echo_pos = pos; | |
2768 | } | |
2769 | /* Try text properties. */ | |
2770 | else if (NILP (help) | |
2771 | && ((STRINGP (glyph->object) | |
2772 | && glyph->charpos >= 0 | |
2773 | && glyph->charpos < SCHARS (glyph->object)) | |
2774 | || (BUFFERP (glyph->object) | |
2775 | && glyph->charpos >= BEGV | |
2776 | && glyph->charpos < ZV))) | |
2777 | { | |
2778 | help = Fget_text_property (make_number (glyph->charpos), | |
2779 | Qhelp_echo, glyph->object); | |
2780 | if (!NILP (help)) | |
2781 | { | |
2782 | help_echo_string = help; | |
2783 | help_echo_window = window; | |
2784 | help_echo_object = glyph->object; | |
2785 | help_echo_pos = glyph->charpos; | |
2786 | } | |
2787 | } | |
2788 | } | |
2789 | ||
2790 | BEGV = obegv; | |
2791 | ZV = ozv; | |
2792 | current_buffer = obuf; | |
2793 | } | |
2794 | } | |
2795 | } | |
2796 | ||
2797 | static int | |
2798 | term_mouse_movement (FRAME_PTR frame, Gpm_Event *event) | |
2799 | { | |
2800 | /* Has the mouse moved off the glyph it was on at the last sighting? */ | |
2801 | if (event->x != last_mouse_x || event->y != last_mouse_y) | |
2802 | { | |
2803 | frame->mouse_moved = 1; | |
2804 | term_mouse_highlight (frame, event->x - 1, event->y - 1); | |
2805 | /* Remember which glyph we're now on. */ | |
2806 | last_mouse_x = event->x; | |
2807 | last_mouse_y = event->y; | |
2808 | return 1; | |
2809 | } | |
2810 | return 0; | |
2811 | } | |
2812 | ||
2813 | /* Return the current position of the mouse. | |
2814 | ||
2815 | Set *f to the frame the mouse is in, or zero if the mouse is in no | |
2816 | Emacs frame. If it is set to zero, all the other arguments are | |
2817 | garbage. | |
2818 | ||
2819 | Set *bar_window to Qnil, and *x and *y to the column and | |
2820 | row of the character cell the mouse is over. | |
2821 | ||
2822 | Set *time to the time the mouse was at the returned position. | |
2823 | ||
2824 | This should clear mouse_moved until the next motion | |
2825 | event arrives. | |
2826 | ||
2827 | NOT CURRENTLY INVOKED: see mouse_position_hook below. */ | |
2828 | static void | |
2829 | term_mouse_position (FRAME_PTR *fp, int insist, Lisp_Object *bar_window, | |
2830 | enum scroll_bar_part *part, Lisp_Object *x, | |
2831 | Lisp_Object *y, unsigned long *time) | |
2832 | { | |
2833 | Gpm_Event event; | |
2834 | struct timeval now; | |
2835 | int i; | |
2836 | ||
2837 | BLOCK_INPUT; | |
2838 | ||
2839 | *fp = SELECTED_FRAME (); | |
2840 | ||
2841 | *bar_window = Qnil; | |
2842 | *part = 0; | |
2843 | ||
2844 | i = Gpm_GetSnapshot (&event); | |
2845 | ||
2846 | XSETINT (*x, event.x); | |
2847 | XSETINT (*y, event.y); | |
2848 | gettimeofday(&now, 0); | |
2849 | *time = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2850 | ||
2851 | UNBLOCK_INPUT; | |
2852 | } | |
2853 | ||
2854 | /* Prepare a mouse-event in *RESULT for placement in the input queue. | |
2855 | ||
2856 | If the event is a button press, then note that we have grabbed | |
2857 | the mouse. */ | |
2858 | ||
2859 | static Lisp_Object | |
2860 | term_mouse_click (struct input_event *result, Gpm_Event *event, | |
2861 | struct frame *f) | |
2862 | { | |
2863 | struct timeval now; | |
2864 | int i, j; | |
2865 | ||
2866 | result->kind = GPM_CLICK_EVENT; | |
2867 | for (i = 0, j = GPM_B_LEFT; i < 3; i++, j >>= 1 ) | |
2868 | { | |
2869 | if (event->buttons & j) { | |
2870 | result->code = i; /* button number */ | |
2871 | break; | |
2872 | } | |
2873 | } | |
2874 | gettimeofday(&now, 0); | |
2875 | result->timestamp = (now.tv_sec * 1000) + (now.tv_usec / 1000); | |
2876 | ||
2877 | if (event->type & GPM_UP) | |
2878 | result->modifiers = up_modifier; | |
2879 | else if (event->type & GPM_DOWN) | |
2880 | result->modifiers = down_modifier; | |
2881 | else | |
2882 | result->modifiers = 0; | |
2883 | ||
2884 | if (event->type & GPM_SINGLE) | |
2885 | result->modifiers |= click_modifier; | |
2886 | ||
2887 | if (event->type & GPM_DOUBLE) | |
2888 | result->modifiers |= double_modifier; | |
2889 | ||
2890 | if (event->type & GPM_TRIPLE) | |
2891 | result->modifiers |= triple_modifier; | |
2892 | ||
2893 | if (event->type & GPM_DRAG) | |
2894 | result->modifiers |= drag_modifier; | |
2895 | ||
2896 | if (!(event->type & (GPM_MOVE|GPM_DRAG))) { | |
2897 | ||
2898 | /* 1 << KG_SHIFT */ | |
2899 | if (event->modifiers & (1 << 0)) | |
2900 | result->modifiers |= shift_modifier; | |
2901 | ||
2902 | /* 1 << KG_CTRL */ | |
2903 | if (event->modifiers & (1 << 2)) | |
2904 | result->modifiers |= ctrl_modifier; | |
2905 | ||
2906 | /* 1 << KG_ALT || KG_ALTGR */ | |
2907 | if (event->modifiers & (1 << 3) | |
2908 | || event->modifiers & (1 << 1)) | |
2909 | result->modifiers |= meta_modifier; | |
2910 | } | |
2911 | ||
2912 | XSETINT (result->x, event->x - 1); | |
2913 | XSETINT (result->y, event->y - 1); | |
2914 | XSETFRAME (result->frame_or_window, f); | |
2915 | result->arg = Qnil; | |
2916 | return Qnil; | |
2917 | } | |
2918 | ||
2919 | int | |
2920 | handle_one_term_event (Gpm_Event *event, struct input_event* hold_quit) | |
2921 | { | |
2922 | struct frame *f = SELECTED_FRAME (); | |
2923 | int i, j, fd; | |
2924 | struct input_event ie; | |
2925 | int do_help = 0; | |
2926 | int count = 0; | |
2927 | ||
2928 | EVENT_INIT (ie); | |
2929 | ie.kind = NO_EVENT; | |
2930 | ie.arg = Qnil; | |
2931 | ||
2932 | if (event->type & GPM_MOVE) { | |
2933 | unsigned char buf[6 * sizeof (short)]; | |
2934 | unsigned short *arg = (unsigned short *) buf + 1; | |
2935 | const char *name; | |
2936 | ||
2937 | previous_help_echo_string = help_echo_string; | |
2938 | help_echo_string = Qnil; | |
2939 | ||
2940 | /* Display mouse pointer */ | |
2941 | buf[sizeof(short) - 1] = 2; /* set selection */ | |
2942 | ||
2943 | arg[0] = arg[2] = (unsigned short) event->x; | |
2944 | arg[1] = arg[3] = (unsigned short) event->y; | |
2945 | arg[4] = (unsigned short) 3; | |
2946 | ||
2947 | name = (const char *) ttyname (0); | |
2948 | fd = open (name, O_WRONLY); | |
2949 | ioctl (fd, TIOCLINUX, buf + sizeof (short) - 1); | |
2950 | close(fd); | |
2951 | ||
2952 | term_mouse_movement (f, event); | |
2953 | ||
2954 | /* If the contents of the global variable help_echo_string | |
2955 | has changed, generate a HELP_EVENT. */ | |
2956 | if (!NILP (help_echo_string) | |
2957 | || !NILP (previous_help_echo_string)) | |
2958 | do_help = 1; | |
2959 | ||
2960 | goto done; | |
2961 | } | |
2962 | else { | |
2963 | f->mouse_moved = 0; | |
2964 | term_mouse_click (&ie, event, f); | |
2965 | //kbd_buffer_store_event_hold (&ie, hold_quit); | |
2966 | } | |
2967 | ||
2968 | done: | |
2969 | if (ie.kind != NO_EVENT) | |
2970 | { | |
2971 | kbd_buffer_store_event_hold (&ie, hold_quit); | |
2972 | count++; | |
2973 | } | |
2974 | ||
2975 | if (do_help | |
2976 | && !(hold_quit && hold_quit->kind != NO_EVENT)) | |
2977 | { | |
2978 | Lisp_Object frame; | |
2979 | ||
2980 | if (f) | |
2981 | XSETFRAME (frame, f); | |
2982 | else | |
2983 | frame = Qnil; | |
2984 | ||
2985 | gen_help_event (help_echo_string, frame, help_echo_window, | |
2986 | help_echo_object, help_echo_pos); | |
2987 | count++; | |
2988 | } | |
2989 | ||
2990 | return count; | |
2991 | } | |
2992 | ||
2993 | DEFUN ("term-open-connection", Fterm_open_connection, Sterm_open_connection, | |
2994 | 0, 0, 0, | |
2995 | doc: /* Open a connection to Gpm. */) | |
2996 | () | |
2997 | { | |
2998 | Gpm_Connect connection; | |
2999 | ||
3000 | connection.eventMask = ~0; | |
3001 | connection.defaultMask = ~GPM_HARD; | |
3002 | connection.maxMod = ~0; | |
3003 | connection.minMod = 0; | |
3004 | ||
3005 | if (Gpm_Open (&connection, 0) < 0) | |
3006 | return Qnil; | |
3007 | else | |
3008 | { | |
3009 | term_gpm = 1; | |
3010 | reset_sys_modes (); | |
3011 | init_sys_modes (); | |
3012 | add_gpm_wait_descriptor (gpm_fd); | |
3013 | return Qt; | |
3014 | } | |
3015 | } | |
3016 | ||
3017 | DEFUN ("term-close-connection", Fterm_close_connection, Sterm_close_connection, | |
3018 | 0, 0, 0, | |
3019 | doc: /* Close a connection to Gpm. */) | |
3020 | () | |
3021 | { | |
3022 | delete_gpm_wait_descriptor (gpm_fd); | |
3023 | while (Gpm_Close()); /* close all the stack */ | |
3024 | term_gpm = 0; | |
3025 | return Qnil; | |
3026 | } | |
3027 | #endif /* HAVE_GPM_H */ | |
3028 | ||
3029 | \f | |
a168702a GM |
3030 | /*********************************************************************** |
3031 | Initialization | |
3032 | ***********************************************************************/ | |
3033 | ||
dfcf069d | 3034 | void |
08a24c47 JB |
3035 | term_init (terminal_type) |
3036 | char *terminal_type; | |
3037 | { | |
3038 | char *area; | |
3039 | char **address = &area; | |
3a06a6d9 | 3040 | char *buffer = NULL; |
5846981b | 3041 | int buffer_size = 4096; |
08a24c47 JB |
3042 | register char *p; |
3043 | int status; | |
e52f4e08 | 3044 | struct frame *sf = XFRAME (selected_frame); |
08a24c47 | 3045 | |
af645abf KH |
3046 | encode_terminal_bufsize = 0; |
3047 | ||
e882229c NR |
3048 | #ifdef HAVE_GPM_H |
3049 | /* TODO: Can't get Gpm_Snapshot in term_mouse_position to work: test with | |
3050 | (mouse-position). Also set-mouse-position won't work as is. */ | |
3051 | /* mouse_position_hook = term_mouse_position; */ | |
3052 | ||
3053 | mouse_face_window = Qnil; | |
3054 | #endif | |
3055 | ||
cb28b9c2 | 3056 | #ifdef WINDOWSNT |
29f27c39 | 3057 | initialize_w32_display (); |
cb28b9c2 RS |
3058 | |
3059 | Wcm_clear (); | |
cb28b9c2 | 3060 | |
a678d9ff | 3061 | area = (char *) xmalloc (2044); |
cb28b9c2 | 3062 | |
9882535b KS |
3063 | FrameRows = FRAME_LINES (sf); |
3064 | FrameCols = FRAME_COLS (sf); | |
3065 | specified_window = FRAME_LINES (sf); | |
cb28b9c2 RS |
3066 | |
3067 | delete_in_insert_mode = 1; | |
3068 | ||
3069 | UseTabs = 0; | |
3070 | scroll_region_ok = 0; | |
3071 | ||
3072 | /* Seems to insert lines when it's not supposed to, messing | |
3073 | up the display. In doing a trace, it didn't seem to be | |
3074 | called much, so I don't think we're losing anything by | |
3075 | turning it off. */ | |
3076 | ||
3077 | line_ins_del_ok = 0; | |
3078 | char_ins_del_ok = 1; | |
3079 | ||
3080 | baud_rate = 19200; | |
3081 | ||
e52f4e08 GM |
3082 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
3083 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
acfcd5cd | 3084 | TN_max_colors = 16; /* Required to be non-zero for tty-display-color-p */ |
cb28b9c2 RS |
3085 | |
3086 | return; | |
eccec691 | 3087 | #else /* not WINDOWSNT */ |
cb28b9c2 | 3088 | |
08a24c47 | 3089 | Wcm_clear (); |
08a24c47 | 3090 | |
3a06a6d9 | 3091 | buffer = (char *) xmalloc (buffer_size); |
08a24c47 JB |
3092 | status = tgetent (buffer, terminal_type); |
3093 | if (status < 0) | |
b0347178 KH |
3094 | { |
3095 | #ifdef TERMINFO | |
e12c1054 | 3096 | fatal ("Cannot open terminfo database file"); |
b0347178 | 3097 | #else |
e12c1054 | 3098 | fatal ("Cannot open termcap database file"); |
b0347178 KH |
3099 | #endif |
3100 | } | |
08a24c47 | 3101 | if (status == 0) |
b0347178 KH |
3102 | { |
3103 | #ifdef TERMINFO | |
3104 | fatal ("Terminal type %s is not defined.\n\ | |
3105 | If that is not the actual type of terminal you have,\n\ | |
3106 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3107 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3108 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
b0347178 KH |
3109 | terminal_type); |
3110 | #else | |
3111 | fatal ("Terminal type %s is not defined.\n\ | |
c5a9c3e6 RS |
3112 | If that is not the actual type of terminal you have,\n\ |
3113 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3114 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3115 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
b0347178 KH |
3116 | terminal_type); |
3117 | #endif | |
3118 | } | |
3a06a6d9 | 3119 | |
f730033e | 3120 | #ifndef TERMINFO |
3a06a6d9 | 3121 | if (strlen (buffer) >= buffer_size) |
08a24c47 | 3122 | abort (); |
f730033e | 3123 | buffer_size = strlen (buffer); |
3dd3a502 | 3124 | #endif |
f730033e | 3125 | area = (char *) xmalloc (buffer_size); |
08a24c47 JB |
3126 | |
3127 | TS_ins_line = tgetstr ("al", address); | |
3128 | TS_ins_multi_lines = tgetstr ("AL", address); | |
3129 | TS_bell = tgetstr ("bl", address); | |
3130 | BackTab = tgetstr ("bt", address); | |
3131 | TS_clr_to_bottom = tgetstr ("cd", address); | |
3132 | TS_clr_line = tgetstr ("ce", address); | |
ff11dfa1 | 3133 | TS_clr_frame = tgetstr ("cl", address); |
2efdbcdd | 3134 | ColPosition = NULL; /* tgetstr ("ch", address); */ |
08a24c47 JB |
3135 | AbsPosition = tgetstr ("cm", address); |
3136 | CR = tgetstr ("cr", address); | |
3137 | TS_set_scroll_region = tgetstr ("cs", address); | |
3138 | TS_set_scroll_region_1 = tgetstr ("cS", address); | |
3139 | RowPosition = tgetstr ("cv", address); | |
3140 | TS_del_char = tgetstr ("dc", address); | |
3141 | TS_del_multi_chars = tgetstr ("DC", address); | |
3142 | TS_del_line = tgetstr ("dl", address); | |
3143 | TS_del_multi_lines = tgetstr ("DL", address); | |
3144 | TS_delete_mode = tgetstr ("dm", address); | |
3145 | TS_end_delete_mode = tgetstr ("ed", address); | |
3146 | TS_end_insert_mode = tgetstr ("ei", address); | |
3147 | Home = tgetstr ("ho", address); | |
3148 | TS_ins_char = tgetstr ("ic", address); | |
3149 | TS_ins_multi_chars = tgetstr ("IC", address); | |
3150 | TS_insert_mode = tgetstr ("im", address); | |
3151 | TS_pad_inserted_char = tgetstr ("ip", address); | |
3152 | TS_end_keypad_mode = tgetstr ("ke", address); | |
3153 | TS_keypad_mode = tgetstr ("ks", address); | |
3154 | LastLine = tgetstr ("ll", address); | |
3155 | Right = tgetstr ("nd", address); | |
3156 | Down = tgetstr ("do", address); | |
3157 | if (!Down) | |
3158 | Down = tgetstr ("nl", address); /* Obsolete name for "do" */ | |
3159 | #ifdef VMS | |
3160 | /* VMS puts a carriage return before each linefeed, | |
3161 | so it is not safe to use linefeeds. */ | |
3162 | if (Down && Down[0] == '\n' && Down[1] == '\0') | |
3163 | Down = 0; | |
3164 | #endif /* VMS */ | |
3165 | if (tgetflag ("bs")) | |
3166 | Left = "\b"; /* can't possibly be longer! */ | |
3167 | else /* (Actually, "bs" is obsolete...) */ | |
3168 | Left = tgetstr ("le", address); | |
3169 | if (!Left) | |
3170 | Left = tgetstr ("bc", address); /* Obsolete name for "le" */ | |
3171 | TS_pad_char = tgetstr ("pc", address); | |
3172 | TS_repeat = tgetstr ("rp", address); | |
3173 | TS_end_standout_mode = tgetstr ("se", address); | |
3174 | TS_fwd_scroll = tgetstr ("sf", address); | |
3175 | TS_standout_mode = tgetstr ("so", address); | |
3176 | TS_rev_scroll = tgetstr ("sr", address); | |
3177 | Wcm.cm_tab = tgetstr ("ta", address); | |
3178 | TS_end_termcap_modes = tgetstr ("te", address); | |
3179 | TS_termcap_modes = tgetstr ("ti", address); | |
3180 | Up = tgetstr ("up", address); | |
3181 | TS_visible_bell = tgetstr ("vb", address); | |
a168702a GM |
3182 | TS_cursor_normal = tgetstr ("ve", address); |
3183 | TS_cursor_visible = tgetstr ("vs", address); | |
3184 | TS_cursor_invisible = tgetstr ("vi", address); | |
08a24c47 | 3185 | TS_set_window = tgetstr ("wi", address); |
177c0ea7 | 3186 | |
a168702a GM |
3187 | TS_enter_underline_mode = tgetstr ("us", address); |
3188 | TS_exit_underline_mode = tgetstr ("ue", address); | |
a168702a GM |
3189 | TS_enter_bold_mode = tgetstr ("md", address); |
3190 | TS_enter_dim_mode = tgetstr ("mh", address); | |
3191 | TS_enter_blink_mode = tgetstr ("mb", address); | |
3192 | TS_enter_reverse_mode = tgetstr ("mr", address); | |
3193 | TS_enter_alt_charset_mode = tgetstr ("as", address); | |
3194 | TS_exit_alt_charset_mode = tgetstr ("ae", address); | |
3195 | TS_exit_attribute_mode = tgetstr ("me", address); | |
177c0ea7 | 3196 | |
08a24c47 JB |
3197 | MultiUp = tgetstr ("UP", address); |
3198 | MultiDown = tgetstr ("DO", address); | |
3199 | MultiLeft = tgetstr ("LE", address); | |
3200 | MultiRight = tgetstr ("RI", address); | |
3201 | ||
e7f90eab GM |
3202 | /* SVr4/ANSI color suppert. If "op" isn't available, don't support |
3203 | color because we can't switch back to the default foreground and | |
3204 | background. */ | |
a168702a | 3205 | TS_orig_pair = tgetstr ("op", address); |
e7f90eab | 3206 | if (TS_orig_pair) |
a168702a | 3207 | { |
e7f90eab GM |
3208 | TS_set_foreground = tgetstr ("AF", address); |
3209 | TS_set_background = tgetstr ("AB", address); | |
3210 | if (!TS_set_foreground) | |
3211 | { | |
3212 | /* SVr4. */ | |
3213 | TS_set_foreground = tgetstr ("Sf", address); | |
3214 | TS_set_background = tgetstr ("Sb", address); | |
3215 | } | |
177c0ea7 | 3216 | |
e7f90eab GM |
3217 | TN_max_colors = tgetnum ("Co"); |
3218 | TN_max_pairs = tgetnum ("pa"); | |
177c0ea7 | 3219 | |
4e6ba4a4 GM |
3220 | TN_no_color_video = tgetnum ("NC"); |
3221 | if (TN_no_color_video == -1) | |
3222 | TN_no_color_video = 0; | |
a168702a | 3223 | } |
a168702a | 3224 | |
ace28297 EZ |
3225 | tty_default_color_capabilities (1); |
3226 | ||
e4058338 KH |
3227 | MagicWrap = tgetflag ("xn"); |
3228 | /* Since we make MagicWrap terminals look like AutoWrap, we need to have | |
3229 | the former flag imply the latter. */ | |
3230 | AutoWrap = MagicWrap || tgetflag ("am"); | |
ff11dfa1 | 3231 | memory_below_frame = tgetflag ("db"); |
08a24c47 JB |
3232 | TF_hazeltine = tgetflag ("hz"); |
3233 | must_write_spaces = tgetflag ("in"); | |
3234 | meta_key = tgetflag ("km") || tgetflag ("MT"); | |
3235 | TF_insmode_motion = tgetflag ("mi"); | |
3236 | TF_standout_motion = tgetflag ("ms"); | |
3237 | TF_underscore = tgetflag ("ul"); | |
08a24c47 JB |
3238 | TF_teleray = tgetflag ("xt"); |
3239 | ||
5c2c7893 JB |
3240 | term_get_fkeys (address); |
3241 | ||
ff11dfa1 | 3242 | /* Get frame size from system, or else from termcap. */ |
3b12ce12 RS |
3243 | { |
3244 | int height, width; | |
3245 | get_frame_size (&width, &height); | |
9882535b KS |
3246 | FRAME_COLS (sf) = width; |
3247 | FRAME_LINES (sf) = height; | |
3b12ce12 RS |
3248 | } |
3249 | ||
9882535b KS |
3250 | if (FRAME_COLS (sf) <= 0) |
3251 | SET_FRAME_COLS (sf, tgetnum ("co")); | |
1efd8636 RS |
3252 | else |
3253 | /* Keep width and external_width consistent */ | |
9882535b KS |
3254 | SET_FRAME_COLS (sf, FRAME_COLS (sf)); |
3255 | if (FRAME_LINES (sf) <= 0) | |
3256 | FRAME_LINES (sf) = tgetnum ("li"); | |
177c0ea7 | 3257 | |
9882535b | 3258 | if (FRAME_LINES (sf) < 3 || FRAME_COLS (sf) < 3) |
e12c1054 | 3259 | fatal ("Screen size %dx%d is too small", |
9882535b | 3260 | FRAME_LINES (sf), FRAME_COLS (sf)); |
ee7a2de4 | 3261 | |
08a24c47 | 3262 | min_padding_speed = tgetnum ("pb"); |
08a24c47 JB |
3263 | TabWidth = tgetnum ("tw"); |
3264 | ||
3265 | #ifdef VMS | |
3266 | /* These capabilities commonly use ^J. | |
3267 | I don't know why, but sending them on VMS does not work; | |
3268 | it causes following spaces to be lost, sometimes. | |
3269 | For now, the simplest fix is to avoid using these capabilities ever. */ | |
3270 | if (Down && Down[0] == '\n') | |
3271 | Down = 0; | |
3272 | #endif /* VMS */ | |
3273 | ||
3274 | if (!TS_bell) | |
3275 | TS_bell = "\07"; | |
3276 | ||
3277 | if (!TS_fwd_scroll) | |
3278 | TS_fwd_scroll = Down; | |
3279 | ||
3280 | PC = TS_pad_char ? *TS_pad_char : 0; | |
3281 | ||
3282 | if (TabWidth < 0) | |
3283 | TabWidth = 8; | |
177c0ea7 | 3284 | |
08a24c47 JB |
3285 | /* Turned off since /etc/termcap seems to have :ta= for most terminals |
3286 | and newer termcap doc does not seem to say there is a default. | |
3287 | if (!Wcm.cm_tab) | |
3288 | Wcm.cm_tab = "\t"; | |
3289 | */ | |
3290 | ||
54800acb MB |
3291 | /* We don't support standout modes that use `magic cookies', so |
3292 | turn off any that do. */ | |
3293 | if (TS_standout_mode && tgetnum ("sg") >= 0) | |
3294 | { | |
3295 | TS_standout_mode = 0; | |
3296 | TS_end_standout_mode = 0; | |
3297 | } | |
3298 | if (TS_enter_underline_mode && tgetnum ("ug") >= 0) | |
3299 | { | |
3300 | TS_enter_underline_mode = 0; | |
3301 | TS_exit_underline_mode = 0; | |
3302 | } | |
3303 | ||
3304 | /* If there's no standout mode, try to use underlining instead. */ | |
08a24c47 JB |
3305 | if (TS_standout_mode == 0) |
3306 | { | |
54800acb MB |
3307 | TS_standout_mode = TS_enter_underline_mode; |
3308 | TS_end_standout_mode = TS_exit_underline_mode; | |
08a24c47 JB |
3309 | } |
3310 | ||
afd359c4 RS |
3311 | /* If no `se' string, try using a `me' string instead. |
3312 | If that fails, we can't use standout mode at all. */ | |
3313 | if (TS_end_standout_mode == 0) | |
3314 | { | |
e4bfb3b6 | 3315 | char *s = tgetstr ("me", address); |
afd359c4 RS |
3316 | if (s != 0) |
3317 | TS_end_standout_mode = s; | |
3318 | else | |
3319 | TS_standout_mode = 0; | |
3320 | } | |
3321 | ||
08a24c47 JB |
3322 | if (TF_teleray) |
3323 | { | |
3324 | Wcm.cm_tab = 0; | |
54800acb MB |
3325 | /* We can't support standout mode, because it uses magic cookies. */ |
3326 | TS_standout_mode = 0; | |
08a24c47 JB |
3327 | /* But that means we cannot rely on ^M to go to column zero! */ |
3328 | CR = 0; | |
3329 | /* LF can't be trusted either -- can alter hpos */ | |
3330 | /* if move at column 0 thru a line with TS_standout_mode */ | |
3331 | Down = 0; | |
3332 | } | |
3333 | ||
3334 | /* Special handling for certain terminal types known to need it */ | |
3335 | ||
3336 | if (!strcmp (terminal_type, "supdup")) | |
3337 | { | |
ff11dfa1 | 3338 | memory_below_frame = 1; |
08a24c47 JB |
3339 | Wcm.cm_losewrap = 1; |
3340 | } | |
3341 | if (!strncmp (terminal_type, "c10", 3) | |
3342 | || !strcmp (terminal_type, "perq")) | |
3343 | { | |
3344 | /* Supply a makeshift :wi string. | |
3345 | This string is not valid in general since it works only | |
3346 | for windows starting at the upper left corner; | |
3347 | but that is all Emacs uses. | |
3348 | ||
ff11dfa1 | 3349 | This string works only if the frame is using |
08a24c47 JB |
3350 | the top of the video memory, because addressing is memory-relative. |
3351 | So first check the :ti string to see if that is true. | |
3352 | ||
3353 | It would be simpler if the :wi string could go in the termcap | |
3354 | entry, but it can't because it is not fully valid. | |
3355 | If it were in the termcap entry, it would confuse other programs. */ | |
3356 | if (!TS_set_window) | |
3357 | { | |
3358 | p = TS_termcap_modes; | |
3359 | while (*p && strcmp (p, "\033v ")) | |
3360 | p++; | |
3361 | if (*p) | |
3362 | TS_set_window = "\033v%C %C %C %C "; | |
3363 | } | |
3364 | /* Termcap entry often fails to have :in: flag */ | |
3365 | must_write_spaces = 1; | |
3366 | /* :ti string typically fails to have \E^G! in it */ | |
3367 | /* This limits scope of insert-char to one line. */ | |
3368 | strcpy (area, TS_termcap_modes); | |
3369 | strcat (area, "\033\007!"); | |
3370 | TS_termcap_modes = area; | |
3371 | area += strlen (area) + 1; | |
3372 | p = AbsPosition; | |
3373 | /* Change all %+ parameters to %C, to handle | |
3374 | values above 96 correctly for the C100. */ | |
3375 | while (*p) | |
3376 | { | |
3377 | if (p[0] == '%' && p[1] == '+') | |
3378 | p[1] = 'C'; | |
3379 | p++; | |
3380 | } | |
3381 | } | |
3382 | ||
9882535b KS |
3383 | FrameRows = FRAME_LINES (sf); |
3384 | FrameCols = FRAME_COLS (sf); | |
3385 | specified_window = FRAME_LINES (sf); | |
08a24c47 JB |
3386 | |
3387 | if (Wcm_init () == -1) /* can't do cursor motion */ | |
3388 | #ifdef VMS | |
3389 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
3390 | It lacks the ability to position the cursor.\n\ | |
3391 | If that is not the actual type of terminal you have, use either the\n\ | |
3392 | DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\ | |
e12c1054 | 3393 | or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.", |
08a24c47 | 3394 | terminal_type); |
37dad45a RS |
3395 | #else /* not VMS */ |
3396 | # ifdef TERMINFO | |
3397 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ | |
3398 | It lacks the ability to position the cursor.\n\ | |
3399 | If that is not the actual type of terminal you have,\n\ | |
3400 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ | |
3401 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3402 | to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.", |
37dad45a RS |
3403 | terminal_type); |
3404 | # else /* TERMCAP */ | |
08a24c47 JB |
3405 | fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\ |
3406 | It lacks the ability to position the cursor.\n\ | |
3407 | If that is not the actual type of terminal you have,\n\ | |
c5a9c3e6 RS |
3408 | use the Bourne shell command `TERM=... export TERM' (C-shell:\n\ |
3409 | `setenv TERM ...') to specify the correct type. It may be necessary\n\ | |
e12c1054 | 3410 | to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.", |
08a24c47 | 3411 | terminal_type); |
37dad45a RS |
3412 | # endif /* TERMINFO */ |
3413 | #endif /*VMS */ | |
9882535b KS |
3414 | if (FRAME_LINES (sf) <= 0 |
3415 | || FRAME_COLS (sf) <= 0) | |
e12c1054 | 3416 | fatal ("The frame size has not been specified"); |
08a24c47 JB |
3417 | |
3418 | delete_in_insert_mode | |
3419 | = TS_delete_mode && TS_insert_mode | |
3420 | && !strcmp (TS_delete_mode, TS_insert_mode); | |
3421 | ||
3422 | se_is_so = (TS_standout_mode | |
3423 | && TS_end_standout_mode | |
3424 | && !strcmp (TS_standout_mode, TS_end_standout_mode)); | |
3425 | ||
08a24c47 JB |
3426 | UseTabs = tabs_safe_p () && TabWidth == 8; |
3427 | ||
3428 | scroll_region_ok | |
3429 | = (Wcm.cm_abs | |
3430 | && (TS_set_window || TS_set_scroll_region || TS_set_scroll_region_1)); | |
3431 | ||
3432 | line_ins_del_ok = (((TS_ins_line || TS_ins_multi_lines) | |
3433 | && (TS_del_line || TS_del_multi_lines)) | |
3434 | || (scroll_region_ok && TS_fwd_scroll && TS_rev_scroll)); | |
3435 | ||
3436 | char_ins_del_ok = ((TS_ins_char || TS_insert_mode | |
3437 | || TS_pad_inserted_char || TS_ins_multi_chars) | |
3438 | && (TS_del_char || TS_del_multi_chars)); | |
3439 | ||
3440 | fast_clear_end_of_line = TS_clr_line != 0; | |
3441 | ||
3442 | init_baud_rate (); | |
3443 | if (read_socket_hook) /* Baudrate is somewhat */ | |
3444 | /* meaningless in this case */ | |
3445 | baud_rate = 9600; | |
20a558dc | 3446 | |
e52f4e08 GM |
3447 | FRAME_CAN_HAVE_SCROLL_BARS (sf) = 0; |
3448 | FRAME_VERTICAL_SCROLL_BAR_TYPE (sf) = vertical_scroll_bar_none; | |
eccec691 | 3449 | #endif /* WINDOWSNT */ |
3a06a6d9 RS |
3450 | |
3451 | xfree (buffer); | |
08a24c47 JB |
3452 | } |
3453 | ||
3454 | /* VARARGS 1 */ | |
dfcf069d | 3455 | void |
eb27c2ca DN |
3456 | fatal (str, arg1, arg2) |
3457 | char *str, *arg1, *arg2; | |
08a24c47 JB |
3458 | { |
3459 | fprintf (stderr, "emacs: "); | |
eb27c2ca DN |
3460 | fprintf (stderr, str, arg1, arg2); |
3461 | fprintf (stderr, "\n"); | |
08a24c47 JB |
3462 | fflush (stderr); |
3463 | exit (1); | |
3464 | } | |
07c57952 | 3465 | |
072d84a6 RS |
3466 | DEFUN ("tty-no-underline", Ftty_no_underline, Stty_no_underline, 0, 0, 0, |
3467 | doc: /* Declare that this terminal does not handle underlining. | |
3468 | This is used to override the terminfo data, for certain terminals that | |
3469 | do not really do underlining, but say that they do. */) | |
3470 | () | |
3471 | { | |
3472 | TS_enter_underline_mode = 0; | |
3473 | return Qnil; | |
3474 | } | |
3475 | ||
dfcf069d | 3476 | void |
07c57952 KH |
3477 | syms_of_term () |
3478 | { | |
7ee72033 MB |
3479 | DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo, |
3480 | doc: /* Non-nil means the system uses terminfo rather than termcap. | |
228299fa | 3481 | This variable can be used by terminal emulator packages. */); |
07c57952 KH |
3482 | #ifdef TERMINFO |
3483 | system_uses_terminfo = 1; | |
3484 | #else | |
3485 | system_uses_terminfo = 0; | |
3486 | #endif | |
c291d9ef | 3487 | |
7ee72033 MB |
3488 | DEFVAR_LISP ("ring-bell-function", &Vring_bell_function, |
3489 | doc: /* Non-nil means call this function to ring the bell. | |
228299fa | 3490 | The function should accept no arguments. */); |
c291d9ef | 3491 | Vring_bell_function = Qnil; |
a168702a | 3492 | |
0db017c0 SM |
3493 | DEFVAR_BOOL ("visible-cursor", &visible_cursor, |
3494 | doc: /* Non-nil means to make the cursor very visible. | |
3495 | This only has an effect when running in a text terminal. | |
3496 | What means \"very visible\" is up to your terminal. It may make the cursor | |
3497 | bigger, or it may make it blink, or it may do nothing at all. */); | |
3498 | visible_cursor = 1; | |
3499 | ||
a168702a | 3500 | defsubr (&Stty_display_color_p); |
bfa62f96 | 3501 | defsubr (&Stty_display_color_cells); |
072d84a6 | 3502 | defsubr (&Stty_no_underline); |
e882229c NR |
3503 | #ifdef HAVE_GPM_H |
3504 | defsubr (&Sterm_open_connection); | |
3505 | defsubr (&Sterm_close_connection); | |
3506 | #endif /* HAVE_GPM_H */ | |
3d644e94 JD |
3507 | |
3508 | fullscreen_hook = NULL; | |
07c57952 | 3509 | } |
a168702a | 3510 | |
ab5796a9 MB |
3511 | /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193 |
3512 | (do not change this comment) */ |