1 /* Terminal control module for terminals described by TERMCAP
2 Copyright (C) 1985-1987, 1993-1995, 1998, 2000-2013 Free Software
5 This file is part of GNU Emacs.
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
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
20 /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */
33 #include "character.h"
37 #include "composite.h"
41 #include "termhooks.h"
42 #include "dispextern.h"
45 #include "blockinput.h"
46 #include "syssignal.h"
48 #include "intervals.h"
51 static int been_here
= -1;
61 /* The name of the default console device. */
63 #define DEV_TTY "CONOUT$"
66 #define DEV_TTY "/dev/tty"
69 static void tty_set_scroll_region (struct frame
*f
, int start
, int stop
);
70 static void turn_on_face (struct frame
*, int face_id
);
71 static void turn_off_face (struct frame
*, int face_id
);
72 static void tty_turn_off_highlight (struct tty_display_info
*);
73 static void tty_show_cursor (struct tty_display_info
*);
74 static void tty_hide_cursor (struct tty_display_info
*);
75 static void tty_background_highlight (struct tty_display_info
*tty
);
76 static struct terminal
*get_tty_terminal (Lisp_Object
, bool);
77 static void clear_tty_hooks (struct terminal
*terminal
);
78 static void set_tty_hooks (struct terminal
*terminal
);
79 static void dissociate_if_controlling_tty (int fd
);
80 static void delete_tty (struct terminal
*);
81 static _Noreturn
void maybe_fatal (bool, struct terminal
*,
82 const char *, const char *, ...)
83 ATTRIBUTE_FORMAT_PRINTF (3, 5) ATTRIBUTE_FORMAT_PRINTF (4, 5);
84 static _Noreturn
void vfatal (const char *str
, va_list ap
)
85 ATTRIBUTE_FORMAT_PRINTF (1, 0);
88 #define OUTPUT(tty, a) \
89 emacs_tputs ((tty), a, \
90 FRAME_LINES (XFRAME (selected_frame)) - curY (tty), \
93 #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc)
94 #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc)
96 #define OUTPUT_IF(tty, a) \
102 #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0)
104 /* Display space properties */
106 /* Chain of all tty device parameters. */
107 struct tty_display_info
*tty_list
;
109 /* Meaning of bits in no_color_video. Each bit set means that the
110 corresponding attribute cannot be combined with colors. */
114 NC_STANDOUT
= 1 << 0,
115 NC_UNDERLINE
= 1 << 1,
126 /* The largest frame width in any call to calculate_costs. */
128 static int max_frame_cols
;
133 #include <sys/fcntl.h>
135 /* The device for which we have enabled gpm support (or NULL). */
136 struct tty_display_info
*gpm_tty
= NULL
;
138 /* Last recorded mouse coordinates. */
139 static int last_mouse_x
, last_mouse_y
;
140 #endif /* HAVE_GPM */
142 /* Ring the bell on a tty. */
145 tty_ring_bell (struct frame
*f
)
147 struct tty_display_info
*tty
= FRAME_TTY (f
);
151 OUTPUT (tty
, (tty
->TS_visible_bell
&& visible_bell
152 ? tty
->TS_visible_bell
154 fflush (tty
->output
);
158 /* Set up termcap modes for Emacs. */
161 tty_set_terminal_modes (struct terminal
*terminal
)
163 struct tty_display_info
*tty
= terminal
->display_info
.tty
;
167 if (tty
->TS_termcap_modes
)
168 OUTPUT (tty
, tty
->TS_termcap_modes
);
171 /* Output enough newlines to scroll all the old screen contents
172 off the screen, so it won't be overwritten and lost. */
175 for (i
= 0; i
< FRAME_LINES (XFRAME (selected_frame
)); i
++)
179 OUTPUT_IF (tty
, visible_cursor
? tty
->TS_cursor_visible
: tty
->TS_cursor_normal
);
180 OUTPUT_IF (tty
, tty
->TS_keypad_mode
);
182 fflush (tty
->output
);
186 /* Reset termcap modes before exiting Emacs. */
189 tty_reset_terminal_modes (struct terminal
*terminal
)
191 struct tty_display_info
*tty
= terminal
->display_info
.tty
;
195 tty_turn_off_highlight (tty
);
196 tty_turn_off_insert (tty
);
197 OUTPUT_IF (tty
, tty
->TS_end_keypad_mode
);
198 OUTPUT_IF (tty
, tty
->TS_cursor_normal
);
199 OUTPUT_IF (tty
, tty
->TS_end_termcap_modes
);
200 OUTPUT_IF (tty
, tty
->TS_orig_pair
);
201 /* Output raw CR so kernel can track the cursor hpos. */
204 fflush (tty
->output
);
208 /* Flag the end of a display update on a termcap terminal. */
211 tty_update_end (struct frame
*f
)
213 struct tty_display_info
*tty
= FRAME_TTY (f
);
215 if (!XWINDOW (selected_window
)->cursor_off_p
)
216 tty_show_cursor (tty
);
217 tty_turn_off_insert (tty
);
218 tty_background_highlight (tty
);
221 /* The implementation of set_terminal_window for termcap frames. */
224 tty_set_terminal_window (struct frame
*f
, int size
)
226 struct tty_display_info
*tty
= FRAME_TTY (f
);
228 tty
->specified_window
= size
? size
: FRAME_LINES (f
);
229 if (FRAME_SCROLL_REGION_OK (f
))
230 tty_set_scroll_region (f
, 0, tty
->specified_window
);
234 tty_set_scroll_region (struct frame
*f
, int start
, int stop
)
237 struct tty_display_info
*tty
= FRAME_TTY (f
);
239 if (tty
->TS_set_scroll_region
)
240 buf
= tparam (tty
->TS_set_scroll_region
, 0, 0, start
, stop
- 1, 0, 0);
241 else if (tty
->TS_set_scroll_region_1
)
242 buf
= tparam (tty
->TS_set_scroll_region_1
, 0, 0,
243 FRAME_LINES (f
), start
,
244 FRAME_LINES (f
) - stop
,
247 buf
= tparam (tty
->TS_set_window
, 0, 0, start
, 0, stop
, FRAME_COLS (f
));
256 tty_turn_on_insert (struct tty_display_info
*tty
)
258 if (!tty
->insert_mode
)
259 OUTPUT (tty
, tty
->TS_insert_mode
);
260 tty
->insert_mode
= 1;
264 tty_turn_off_insert (struct tty_display_info
*tty
)
266 if (tty
->insert_mode
)
267 OUTPUT (tty
, tty
->TS_end_insert_mode
);
268 tty
->insert_mode
= 0;
271 /* Handle highlighting. */
274 tty_turn_off_highlight (struct tty_display_info
*tty
)
276 if (tty
->standout_mode
)
277 OUTPUT_IF (tty
, tty
->TS_end_standout_mode
);
278 tty
->standout_mode
= 0;
282 tty_turn_on_highlight (struct tty_display_info
*tty
)
284 if (!tty
->standout_mode
)
285 OUTPUT_IF (tty
, tty
->TS_standout_mode
);
286 tty
->standout_mode
= 1;
290 tty_toggle_highlight (struct tty_display_info
*tty
)
292 if (tty
->standout_mode
)
293 tty_turn_off_highlight (tty
);
295 tty_turn_on_highlight (tty
);
299 /* Make cursor invisible. */
302 tty_hide_cursor (struct tty_display_info
*tty
)
304 if (tty
->cursor_hidden
== 0)
306 tty
->cursor_hidden
= 1;
308 w32con_hide_cursor ();
310 OUTPUT_IF (tty
, tty
->TS_cursor_invisible
);
316 /* Ensure that cursor is visible. */
319 tty_show_cursor (struct tty_display_info
*tty
)
321 if (tty
->cursor_hidden
)
323 tty
->cursor_hidden
= 0;
325 w32con_show_cursor ();
327 OUTPUT_IF (tty
, tty
->TS_cursor_normal
);
329 OUTPUT_IF (tty
, tty
->TS_cursor_visible
);
335 /* Set standout mode to the state it should be in for
336 empty space inside windows. What this is,
337 depends on the user option inverse-video. */
340 tty_background_highlight (struct tty_display_info
*tty
)
343 tty_turn_on_highlight (tty
);
345 tty_turn_off_highlight (tty
);
348 /* Set standout mode to the mode specified for the text to be output. */
351 tty_highlight_if_desired (struct tty_display_info
*tty
)
354 tty_turn_on_highlight (tty
);
356 tty_turn_off_highlight (tty
);
360 /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are
361 frame-relative coordinates. */
364 tty_cursor_to (struct frame
*f
, int vpos
, int hpos
)
366 struct tty_display_info
*tty
= FRAME_TTY (f
);
368 /* Detect the case where we are called from reset_sys_modes
369 and the costs have never been calculated. Do nothing. */
370 if (! tty
->costs_set
)
373 if (curY (tty
) == vpos
374 && curX (tty
) == hpos
)
376 if (!tty
->TF_standout_motion
)
377 tty_background_highlight (tty
);
378 if (!tty
->TF_insmode_motion
)
379 tty_turn_off_insert (tty
);
380 cmgoto (tty
, vpos
, hpos
);
383 /* Similar but don't take any account of the wasted characters. */
386 tty_raw_cursor_to (struct frame
*f
, int row
, int col
)
388 struct tty_display_info
*tty
= FRAME_TTY (f
);
390 if (curY (tty
) == row
391 && curX (tty
) == col
)
393 if (!tty
->TF_standout_motion
)
394 tty_background_highlight (tty
);
395 if (!tty
->TF_insmode_motion
)
396 tty_turn_off_insert (tty
);
397 cmgoto (tty
, row
, col
);
400 /* Erase operations */
402 /* Clear from cursor to end of frame on a termcap device. */
405 tty_clear_to_end (struct frame
*f
)
408 struct tty_display_info
*tty
= FRAME_TTY (f
);
410 if (tty
->TS_clr_to_bottom
)
412 tty_background_highlight (tty
);
413 OUTPUT (tty
, tty
->TS_clr_to_bottom
);
417 for (i
= curY (tty
); i
< FRAME_LINES (f
); i
++)
420 clear_end_of_line (f
, FRAME_COLS (f
));
425 /* Clear an entire termcap frame. */
428 tty_clear_frame (struct frame
*f
)
430 struct tty_display_info
*tty
= FRAME_TTY (f
);
432 if (tty
->TS_clr_frame
)
434 tty_background_highlight (tty
);
435 OUTPUT (tty
, tty
->TS_clr_frame
);
445 /* An implementation of clear_end_of_line for termcap frames.
447 Note that the cursor may be moved, on terminals lacking a `ce' string. */
450 tty_clear_end_of_line (struct frame
*f
, int first_unused_hpos
)
453 struct tty_display_info
*tty
= FRAME_TTY (f
);
455 /* Detect the case where we are called from reset_sys_modes
456 and the costs have never been calculated. Do nothing. */
457 if (! tty
->costs_set
)
460 if (curX (tty
) >= first_unused_hpos
)
462 tty_background_highlight (tty
);
463 if (tty
->TS_clr_line
)
465 OUTPUT1 (tty
, tty
->TS_clr_line
);
468 { /* have to do it the hard way */
469 tty_turn_off_insert (tty
);
471 /* Do not write in last row last col with Auto-wrap on. */
473 && curY (tty
) == FrameRows (tty
) - 1
474 && first_unused_hpos
== FrameCols (tty
))
477 for (i
= curX (tty
); i
< first_unused_hpos
; i
++)
480 fputc (' ', tty
->termscript
);
481 fputc (' ', tty
->output
);
483 cmplus (tty
, first_unused_hpos
- curX (tty
));
487 /* Buffers to store the source and result of code conversion for terminal. */
488 static unsigned char *encode_terminal_src
;
489 static unsigned char *encode_terminal_dst
;
490 /* Allocated sizes of the above buffers. */
491 static ptrdiff_t encode_terminal_src_size
;
492 static ptrdiff_t encode_terminal_dst_size
;
494 /* Encode SRC_LEN glyphs starting at SRC to terminal output codes.
495 Set CODING->produced to the byte-length of the resulting byte
496 sequence, and return a pointer to that byte sequence. */
499 encode_terminal_code (struct glyph
*src
, int src_len
, struct coding_system
*coding
)
501 struct glyph
*src_end
= src
+ src_len
;
503 ptrdiff_t nchars
, nbytes
, required
;
504 ptrdiff_t tlen
= GLYPH_TABLE_LENGTH
;
505 register Lisp_Object
*tbase
= GLYPH_TABLE_BASE
;
506 Lisp_Object charset_list
;
508 /* Allocate sufficient size of buffer to store all characters in
509 multibyte-form. But, it may be enlarged on demand if
510 Vglyph_table contains a string or a composite glyph is
512 if (min (PTRDIFF_MAX
, SIZE_MAX
) / MAX_MULTIBYTE_LENGTH
< src_len
)
513 memory_full (SIZE_MAX
);
515 required
*= MAX_MULTIBYTE_LENGTH
;
516 if (encode_terminal_src_size
< required
)
518 encode_terminal_src
= xrealloc (encode_terminal_src
, required
);
519 encode_terminal_src_size
= required
;
522 charset_list
= coding_charset_list (coding
);
524 buf
= encode_terminal_src
;
526 while (src
< src_end
)
528 if (src
->type
== COMPOSITE_GLYPH
)
530 struct composition
*cmp
IF_LINT (= NULL
);
531 Lisp_Object gstring
IF_LINT (= Qnil
);
534 nbytes
= buf
- encode_terminal_src
;
535 if (src
->u
.cmp
.automatic
)
537 gstring
= composition_gstring_from_id (src
->u
.cmp
.id
);
538 required
= src
->slice
.cmp
.to
- src
->slice
.cmp
.from
+ 1;
542 cmp
= composition_table
[src
->u
.cmp
.id
];
543 required
= cmp
->glyph_len
;
544 required
*= MAX_MULTIBYTE_LENGTH
;
547 if (encode_terminal_src_size
- nbytes
< required
)
549 encode_terminal_src
=
550 xpalloc (encode_terminal_src
, &encode_terminal_src_size
,
551 required
- (encode_terminal_src_size
- nbytes
),
553 buf
= encode_terminal_src
+ nbytes
;
556 if (src
->u
.cmp
.automatic
)
557 for (i
= src
->slice
.cmp
.from
; i
<= src
->slice
.cmp
.to
; i
++)
559 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
560 int c
= LGLYPH_CHAR (g
);
562 if (! char_charset (c
, charset_list
, NULL
))
564 buf
+= CHAR_STRING (c
, buf
);
568 for (i
= 0; i
< cmp
->glyph_len
; i
++)
570 int c
= COMPOSITION_GLYPH (cmp
, i
);
572 /* TAB in a composition means display glyphs with
573 padding space on the left or right. */
576 if (char_charset (c
, charset_list
, NULL
))
578 if (CHAR_WIDTH (c
) == 0
579 && i
> 0 && COMPOSITION_GLYPH (cmp
, i
- 1) == '\t')
580 /* Should be left-padded */
582 buf
+= CHAR_STRING (' ', buf
);
588 buf
+= CHAR_STRING (c
, buf
);
592 /* We must skip glyphs to be padded for a wide character. */
593 else if (! CHAR_GLYPH_PADDING_P (*src
))
600 SET_GLYPH_FROM_CHAR_GLYPH (g
, src
[0]);
602 if (GLYPH_INVALID_P (g
) || GLYPH_SIMPLE_P (tbase
, tlen
, g
))
604 /* This glyph doesn't have an entry in Vglyph_table. */
609 /* This glyph has an entry in Vglyph_table,
610 so process any alias before testing for simpleness. */
611 GLYPH_FOLLOW_ALIASES (tbase
, tlen
, g
);
613 if (GLYPH_SIMPLE_P (tbase
, tlen
, g
))
614 /* We set the multi-byte form of a character in G
615 (that should be an ASCII character) at WORKBUF. */
618 /* We have a string in Vglyph_table. */
619 string
= tbase
[GLYPH_CHAR (g
)];
624 nbytes
= buf
- encode_terminal_src
;
625 if (encode_terminal_src_size
- nbytes
< MAX_MULTIBYTE_LENGTH
)
627 encode_terminal_src
=
628 xpalloc (encode_terminal_src
, &encode_terminal_src_size
,
629 MAX_MULTIBYTE_LENGTH
, -1, 1);
630 buf
= encode_terminal_src
+ nbytes
;
633 || char_charset (c
, charset_list
, NULL
))
635 /* Store the multibyte form of C at BUF. */
636 buf
+= CHAR_STRING (c
, buf
);
641 /* C is not encodable. */
644 while (src
+ 1 < src_end
&& CHAR_GLYPH_PADDING_P (src
[1]))
654 if (! STRING_MULTIBYTE (string
))
655 string
= string_to_multibyte (string
);
656 nbytes
= buf
- encode_terminal_src
;
657 if (encode_terminal_src_size
- nbytes
< SBYTES (string
))
659 encode_terminal_src
=
660 xpalloc (encode_terminal_src
, &encode_terminal_src_size
,
662 - (encode_terminal_src_size
- nbytes
)),
664 buf
= encode_terminal_src
+ nbytes
;
666 memcpy (buf
, SDATA (string
), SBYTES (string
));
667 buf
+= SBYTES (string
);
668 nchars
+= SCHARS (string
);
676 coding
->produced
= 0;
680 nbytes
= buf
- encode_terminal_src
;
681 coding
->source
= encode_terminal_src
;
682 if (encode_terminal_dst_size
== 0)
684 encode_terminal_dst
= xrealloc (encode_terminal_dst
,
685 encode_terminal_src_size
);
686 encode_terminal_dst_size
= encode_terminal_src_size
;
688 coding
->destination
= encode_terminal_dst
;
689 coding
->dst_bytes
= encode_terminal_dst_size
;
690 encode_coding_object (coding
, Qnil
, 0, 0, nchars
, nbytes
, Qnil
);
691 /* coding->destination may have been reallocated. */
692 encode_terminal_dst
= coding
->destination
;
693 encode_terminal_dst_size
= coding
->dst_bytes
;
695 return (encode_terminal_dst
);
700 /* An implementation of write_glyphs for termcap frames. */
703 tty_write_glyphs (struct frame
*f
, struct glyph
*string
, int len
)
705 unsigned char *conversion_buffer
;
706 struct coding_system
*coding
;
709 struct tty_display_info
*tty
= FRAME_TTY (f
);
711 tty_turn_off_insert (tty
);
712 tty_hide_cursor (tty
);
714 /* Don't dare write in last column of bottom line, if Auto-Wrap,
715 since that would scroll the whole frame on some terminals. */
718 && curY (tty
) + 1 == FRAME_LINES (f
)
719 && (curX (tty
) + len
) == FRAME_COLS (f
))
726 /* If terminal_coding does any conversion, use it, otherwise use
727 safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
728 because it always return 1 if the member src_multibyte is 1. */
729 coding
= (FRAME_TERMINAL_CODING (f
)->common_flags
& CODING_REQUIRE_ENCODING_MASK
730 ? FRAME_TERMINAL_CODING (f
) : &safe_terminal_coding
);
731 /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
733 coding
->mode
&= ~CODING_MODE_LAST_BLOCK
;
735 for (stringlen
= len
; stringlen
!= 0; stringlen
-= n
)
737 /* Identify a run of glyphs with the same face. */
738 int face_id
= string
->face_id
;
740 for (n
= 1; n
< stringlen
; ++n
)
741 if (string
[n
].face_id
!= face_id
)
744 /* Turn appearance modes of the face of the run on. */
745 tty_highlight_if_desired (tty
);
746 turn_on_face (f
, face_id
);
749 /* This is the last run. */
750 coding
->mode
|= CODING_MODE_LAST_BLOCK
;
751 conversion_buffer
= encode_terminal_code (string
, n
, coding
);
752 if (coding
->produced
> 0)
755 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->output
);
756 if (ferror (tty
->output
))
757 clearerr (tty
->output
);
759 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->termscript
);
764 /* Turn appearance modes off. */
765 turn_off_face (f
, face_id
);
766 tty_turn_off_highlight (tty
);
772 #ifdef HAVE_GPM /* Only used by GPM code. */
775 tty_write_glyphs_with_face (register struct frame
*f
, register struct glyph
*string
,
776 register int len
, register int face_id
)
778 unsigned char *conversion_buffer
;
779 struct coding_system
*coding
;
781 struct tty_display_info
*tty
= FRAME_TTY (f
);
783 tty_turn_off_insert (tty
);
784 tty_hide_cursor (tty
);
786 /* Don't dare write in last column of bottom line, if Auto-Wrap,
787 since that would scroll the whole frame on some terminals. */
790 && curY (tty
) + 1 == FRAME_LINES (f
)
791 && (curX (tty
) + len
) == FRAME_COLS (f
))
798 /* If terminal_coding does any conversion, use it, otherwise use
799 safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
800 because it always return 1 if the member src_multibyte is 1. */
801 coding
= (FRAME_TERMINAL_CODING (f
)->common_flags
& CODING_REQUIRE_ENCODING_MASK
802 ? FRAME_TERMINAL_CODING (f
) : &safe_terminal_coding
);
803 /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
805 coding
->mode
&= ~CODING_MODE_LAST_BLOCK
;
807 /* Turn appearance modes of the face. */
808 tty_highlight_if_desired (tty
);
809 turn_on_face (f
, face_id
);
811 coding
->mode
|= CODING_MODE_LAST_BLOCK
;
812 conversion_buffer
= encode_terminal_code (string
, len
, coding
);
813 if (coding
->produced
> 0)
816 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->output
);
817 if (ferror (tty
->output
))
818 clearerr (tty
->output
);
820 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->termscript
);
824 /* Turn appearance modes off. */
825 turn_off_face (f
, face_id
);
826 tty_turn_off_highlight (tty
);
832 /* An implementation of insert_glyphs for termcap frames. */
835 tty_insert_glyphs (struct frame
*f
, struct glyph
*start
, int len
)
838 struct glyph
*glyph
= NULL
;
839 unsigned char *conversion_buffer
;
840 unsigned char space
[1];
841 struct coding_system
*coding
;
843 struct tty_display_info
*tty
= FRAME_TTY (f
);
845 if (tty
->TS_ins_multi_chars
)
847 buf
= tparam (tty
->TS_ins_multi_chars
, 0, 0, len
, 0, 0, 0);
851 write_glyphs (f
, start
, len
);
855 tty_turn_on_insert (tty
);
859 space
[0] = SPACEGLYPH
;
861 /* If terminal_coding does any conversion, use it, otherwise use
862 safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
863 because it always return 1 if the member src_multibyte is 1. */
864 coding
= (FRAME_TERMINAL_CODING (f
)->common_flags
& CODING_REQUIRE_ENCODING_MASK
865 ? FRAME_TERMINAL_CODING (f
) : &safe_terminal_coding
);
866 /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
868 coding
->mode
&= ~CODING_MODE_LAST_BLOCK
;
872 OUTPUT1_IF (tty
, tty
->TS_ins_char
);
875 conversion_buffer
= space
;
876 coding
->produced
= 1;
880 tty_highlight_if_desired (tty
);
881 turn_on_face (f
, start
->face_id
);
884 /* We must open sufficient space for a character which
885 occupies more than one column. */
886 while (len
&& CHAR_GLYPH_PADDING_P (*start
))
888 OUTPUT1_IF (tty
, tty
->TS_ins_char
);
893 /* This is the last glyph. */
894 coding
->mode
|= CODING_MODE_LAST_BLOCK
;
896 conversion_buffer
= encode_terminal_code (glyph
, 1, coding
);
899 if (coding
->produced
> 0)
902 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->output
);
903 if (ferror (tty
->output
))
904 clearerr (tty
->output
);
906 fwrite (conversion_buffer
, 1, coding
->produced
, tty
->termscript
);
910 OUTPUT1_IF (tty
, tty
->TS_pad_inserted_char
);
913 turn_off_face (f
, glyph
->face_id
);
914 tty_turn_off_highlight (tty
);
921 /* An implementation of delete_glyphs for termcap frames. */
924 tty_delete_glyphs (struct frame
*f
, int n
)
929 struct tty_display_info
*tty
= FRAME_TTY (f
);
931 if (tty
->delete_in_insert_mode
)
933 tty_turn_on_insert (tty
);
937 tty_turn_off_insert (tty
);
938 OUTPUT_IF (tty
, tty
->TS_delete_mode
);
941 if (tty
->TS_del_multi_chars
)
943 buf
= tparam (tty
->TS_del_multi_chars
, 0, 0, n
, 0, 0, 0);
948 for (i
= 0; i
< n
; i
++)
949 OUTPUT1 (tty
, tty
->TS_del_char
);
950 if (!tty
->delete_in_insert_mode
)
951 OUTPUT_IF (tty
, tty
->TS_end_delete_mode
);
954 /* An implementation of ins_del_lines for termcap frames. */
957 tty_ins_del_lines (struct frame
*f
, int vpos
, int n
)
959 struct tty_display_info
*tty
= FRAME_TTY (f
);
961 n
> 0 ? tty
->TS_ins_multi_lines
: tty
->TS_del_multi_lines
;
962 const char *single
= n
> 0 ? tty
->TS_ins_line
: tty
->TS_del_line
;
963 const char *scroll
= n
> 0 ? tty
->TS_rev_scroll
: tty
->TS_fwd_scroll
;
968 /* If the lines below the insertion are being pushed
969 into the end of the window, this is the same as clearing;
970 and we know the lines are already clear, since the matching
971 deletion has already been done. So can ignore this. */
972 /* If the lines below the deletion are blank lines coming
973 out of the end of the window, don't bother,
974 as there will be a matching inslines later that will flush them. */
975 if (FRAME_SCROLL_REGION_OK (f
)
976 && vpos
+ i
>= tty
->specified_window
)
978 if (!FRAME_MEMORY_BELOW_FRAME (f
)
979 && vpos
+ i
>= FRAME_LINES (f
))
984 raw_cursor_to (f
, vpos
, 0);
985 tty_background_highlight (tty
);
986 buf
= tparam (multi
, 0, 0, i
, 0, 0, 0);
992 raw_cursor_to (f
, vpos
, 0);
993 tty_background_highlight (tty
);
995 OUTPUT (tty
, single
);
1001 tty_set_scroll_region (f
, vpos
, tty
->specified_window
);
1003 raw_cursor_to (f
, tty
->specified_window
- 1, 0);
1005 raw_cursor_to (f
, vpos
, 0);
1006 tty_background_highlight (tty
);
1008 OUTPUTL (tty
, scroll
, tty
->specified_window
- vpos
);
1009 tty_set_scroll_region (f
, 0, tty
->specified_window
);
1012 if (!FRAME_SCROLL_REGION_OK (f
)
1013 && FRAME_MEMORY_BELOW_FRAME (f
)
1016 cursor_to (f
, FRAME_LINES (f
) + n
, 0);
1021 /* Compute cost of sending "str", in characters,
1022 not counting any line-dependent padding. */
1025 string_cost (const char *str
)
1029 tputs (str
, 0, evalcost
);
1033 /* Compute cost of sending "str", in characters,
1034 counting any line-dependent padding at one line. */
1037 string_cost_one_line (const char *str
)
1041 tputs (str
, 1, evalcost
);
1045 /* Compute per line amount of line-dependent padding,
1046 in tenths of characters. */
1049 per_line_cost (const char *str
)
1053 tputs (str
, 0, evalcost
);
1056 tputs (str
, 10, evalcost
);
1060 /* char_ins_del_cost[n] is cost of inserting N characters.
1061 char_ins_del_cost[-n] is cost of deleting N characters.
1062 The length of this vector is based on max_frame_cols. */
1064 int *char_ins_del_vector
;
1066 #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))])
1070 calculate_ins_del_char_costs (struct frame
*f
)
1072 struct tty_display_info
*tty
= FRAME_TTY (f
);
1073 int ins_startup_cost
, del_startup_cost
;
1074 int ins_cost_per_char
, del_cost_per_char
;
1078 if (tty
->TS_ins_multi_chars
)
1080 ins_cost_per_char
= 0;
1081 ins_startup_cost
= string_cost_one_line (tty
->TS_ins_multi_chars
);
1083 else if (tty
->TS_ins_char
|| tty
->TS_pad_inserted_char
1084 || (tty
->TS_insert_mode
&& tty
->TS_end_insert_mode
))
1086 ins_startup_cost
= (30 * (string_cost (tty
->TS_insert_mode
)
1087 + string_cost (tty
->TS_end_insert_mode
))) / 100;
1088 ins_cost_per_char
= (string_cost_one_line (tty
->TS_ins_char
)
1089 + string_cost_one_line (tty
->TS_pad_inserted_char
));
1093 ins_startup_cost
= 9999;
1094 ins_cost_per_char
= 0;
1097 if (tty
->TS_del_multi_chars
)
1099 del_cost_per_char
= 0;
1100 del_startup_cost
= string_cost_one_line (tty
->TS_del_multi_chars
);
1102 else if (tty
->TS_del_char
)
1104 del_startup_cost
= (string_cost (tty
->TS_delete_mode
)
1105 + string_cost (tty
->TS_end_delete_mode
));
1106 if (tty
->delete_in_insert_mode
)
1107 del_startup_cost
/= 2;
1108 del_cost_per_char
= string_cost_one_line (tty
->TS_del_char
);
1112 del_startup_cost
= 9999;
1113 del_cost_per_char
= 0;
1116 /* Delete costs are at negative offsets */
1117 p
= &char_ins_del_cost (f
)[0];
1118 for (i
= FRAME_COLS (f
); --i
>= 0;)
1119 *--p
= (del_startup_cost
+= del_cost_per_char
);
1121 /* Doing nothing is free */
1122 p
= &char_ins_del_cost (f
)[0];
1125 /* Insert costs are at positive offsets */
1126 for (i
= FRAME_COLS (f
); --i
>= 0;)
1127 *p
++ = (ins_startup_cost
+= ins_cost_per_char
);
1131 calculate_costs (struct frame
*frame
)
1133 FRAME_COST_BAUD_RATE (frame
) = baud_rate
;
1135 if (FRAME_TERMCAP_P (frame
))
1137 struct tty_display_info
*tty
= FRAME_TTY (frame
);
1138 register const char *f
= (tty
->TS_set_scroll_region
1139 ? tty
->TS_set_scroll_region
1140 : tty
->TS_set_scroll_region_1
);
1142 FRAME_SCROLL_REGION_COST (frame
) = string_cost (f
);
1146 /* These variables are only used for terminal stuff. They are
1147 allocated once for the terminal frame of X-windows emacs, but not
1150 char_ins_del_vector (i.e., char_ins_del_cost) isn't used because
1151 X turns off char_ins_del_ok. */
1153 max_frame_cols
= max (max_frame_cols
, FRAME_COLS (frame
));
1154 if ((min (PTRDIFF_MAX
, SIZE_MAX
) / sizeof (int) - 1) / 2
1156 memory_full (SIZE_MAX
);
1158 char_ins_del_vector
=
1159 xrealloc (char_ins_del_vector
,
1160 (sizeof (int) + 2 * sizeof (int) * max_frame_cols
));
1162 memset (char_ins_del_vector
, 0,
1163 (sizeof (int) + 2 * sizeof (int) * max_frame_cols
));
1166 if (f
&& (!tty
->TS_ins_line
&& !tty
->TS_del_line
))
1167 do_line_insertion_deletion_costs (frame
,
1168 tty
->TS_rev_scroll
, tty
->TS_ins_multi_lines
,
1169 tty
->TS_fwd_scroll
, tty
->TS_del_multi_lines
,
1172 do_line_insertion_deletion_costs (frame
,
1173 tty
->TS_ins_line
, tty
->TS_ins_multi_lines
,
1174 tty
->TS_del_line
, tty
->TS_del_multi_lines
,
1177 calculate_ins_del_char_costs (frame
);
1179 /* Don't use TS_repeat if its padding is worse than sending the chars */
1180 if (tty
->TS_repeat
&& per_line_cost (tty
->TS_repeat
) * baud_rate
< 9000)
1181 tty
->RPov
= string_cost (tty
->TS_repeat
);
1183 tty
->RPov
= FRAME_COLS (frame
) * 2;
1185 cmcostinit (FRAME_TTY (frame
)); /* set up cursor motion costs */
1190 const char *cap
, *name
;
1193 /* Termcap capability names that correspond directly to X keysyms.
1194 Some of these (marked "terminfo") aren't supplied by old-style
1195 (Berkeley) termcap entries. They're listed in X keysym order;
1196 except we put the keypad keys first, so that if they clash with
1197 other keys (as on the IBM PC keyboard) they get overridden.
1200 static const struct fkey_table keys
[] =
1202 {"kh", "home"}, /* termcap */
1203 {"kl", "left"}, /* termcap */
1204 {"ku", "up"}, /* termcap */
1205 {"kr", "right"}, /* termcap */
1206 {"kd", "down"}, /* termcap */
1207 {"%8", "prior"}, /* terminfo */
1208 {"%5", "next"}, /* terminfo */
1209 {"@7", "end"}, /* terminfo */
1210 {"@1", "begin"}, /* terminfo */
1211 {"*6", "select"}, /* terminfo */
1212 {"%9", "print"}, /* terminfo */
1213 {"@4", "execute"}, /* terminfo --- actually the `command' key */
1215 * "insert" --- see below
1217 {"&8", "undo"}, /* terminfo */
1218 {"%0", "redo"}, /* terminfo */
1219 {"%7", "menu"}, /* terminfo --- actually the `options' key */
1220 {"@0", "find"}, /* terminfo */
1221 {"@2", "cancel"}, /* terminfo */
1222 {"%1", "help"}, /* terminfo */
1224 * "break" goes here, but can't be reliably intercepted with termcap
1226 {"&4", "reset"}, /* terminfo --- actually `restart' */
1228 * "system" and "user" --- no termcaps
1230 {"kE", "clearline"}, /* terminfo */
1231 {"kA", "insertline"}, /* terminfo */
1232 {"kL", "deleteline"}, /* terminfo */
1233 {"kI", "insertchar"}, /* terminfo */
1234 {"kD", "deletechar"}, /* terminfo */
1235 {"kB", "backtab"}, /* terminfo */
1237 * "kp_backtab", "kp-space", "kp-tab" --- no termcaps
1239 {"@8", "kp-enter"}, /* terminfo */
1241 * "kp-f1", "kp-f2", "kp-f3" "kp-f4",
1242 * "kp-multiply", "kp-add", "kp-separator",
1243 * "kp-subtract", "kp-decimal", "kp-divide", "kp-0";
1244 * --- no termcaps for any of these.
1246 {"K4", "kp-1"}, /* terminfo */
1248 * "kp-2" --- no termcap
1250 {"K5", "kp-3"}, /* terminfo */
1252 * "kp-4" --- no termcap
1254 {"K2", "kp-5"}, /* terminfo */
1256 * "kp-6" --- no termcap
1258 {"K1", "kp-7"}, /* terminfo */
1260 * "kp-8" --- no termcap
1262 {"K3", "kp-9"}, /* terminfo */
1264 * "kp-equal" --- no termcap
1276 {"&0", "S-cancel"}, /*shifted cancel key*/
1277 {"&9", "S-begin"}, /*shifted begin key*/
1278 {"*0", "S-find"}, /*shifted find key*/
1279 {"*1", "S-execute"}, /*shifted execute? actually shifted command key*/
1280 {"*4", "S-delete"}, /*shifted delete-character key*/
1281 {"*7", "S-end"}, /*shifted end key*/
1282 {"*8", "S-clearline"}, /*shifted clear-to end-of-line key*/
1283 {"#1", "S-help"}, /*shifted help key*/
1284 {"#2", "S-home"}, /*shifted home key*/
1285 {"#3", "S-insert"}, /*shifted insert-character key*/
1286 {"#4", "S-left"}, /*shifted left-arrow key*/
1287 {"%d", "S-menu"}, /*shifted menu? actually shifted options key*/
1288 {"%c", "S-next"}, /*shifted next key*/
1289 {"%e", "S-prior"}, /*shifted previous key*/
1290 {"%f", "S-print"}, /*shifted print key*/
1291 {"%g", "S-redo"}, /*shifted redo key*/
1292 {"%i", "S-right"}, /*shifted right-arrow key*/
1293 {"!3", "S-undo"} /*shifted undo key*/
1297 static char **term_get_fkeys_address
;
1298 static KBOARD
*term_get_fkeys_kboard
;
1299 static Lisp_Object
term_get_fkeys_1 (void);
1301 /* Find the escape codes sent by the function keys for Vinput_decode_map.
1302 This function scans the termcap function key sequence entries, and
1303 adds entries to Vinput_decode_map for each function key it finds. */
1306 term_get_fkeys (char **address
, KBOARD
*kboard
)
1308 /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp
1309 errors during the call. The only errors should be from Fdefine_key
1310 when given a key sequence containing an invalid prefix key. If the
1311 termcap defines function keys which use a prefix that is already bound
1312 to a command by the default bindings, we should silently ignore that
1313 function key specification, rather than giving the user an error and
1314 refusing to run at all on such a terminal. */
1316 term_get_fkeys_address
= address
;
1317 term_get_fkeys_kboard
= kboard
;
1318 internal_condition_case (term_get_fkeys_1
, Qerror
, Fidentity
);
1322 term_get_fkeys_1 (void)
1326 char **address
= term_get_fkeys_address
;
1327 KBOARD
*kboard
= term_get_fkeys_kboard
;
1329 /* This can happen if CANNOT_DUMP or with strange options. */
1330 if (!KEYMAPP (KVAR (kboard
, Vinput_decode_map
)))
1331 kset_input_decode_map (kboard
, Fmake_sparse_keymap (Qnil
));
1333 for (i
= 0; i
< (sizeof (keys
) / sizeof (keys
[0])); i
++)
1335 char *sequence
= tgetstr (keys
[i
].cap
, address
);
1337 Fdefine_key (KVAR (kboard
, Vinput_decode_map
), build_string (sequence
),
1338 Fmake_vector (make_number (1),
1339 intern (keys
[i
].name
)));
1342 /* The uses of the "k0" capability are inconsistent; sometimes it
1343 describes F10, whereas othertimes it describes F0 and "k;" describes F10.
1344 We will attempt to politely accommodate both systems by testing for
1345 "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10.
1348 const char *k_semi
= tgetstr ("k;", address
);
1349 const char *k0
= tgetstr ("k0", address
);
1350 const char *k0_name
= "f10";
1355 /* Define f0 first, so that f10 takes precedence in case the
1356 key sequences happens to be the same. */
1357 Fdefine_key (KVAR (kboard
, Vinput_decode_map
), build_string (k0
),
1358 Fmake_vector (make_number (1), intern ("f0")));
1359 Fdefine_key (KVAR (kboard
, Vinput_decode_map
), build_string (k_semi
),
1360 Fmake_vector (make_number (1), intern ("f10")));
1363 Fdefine_key (KVAR (kboard
, Vinput_decode_map
), build_string (k0
),
1364 Fmake_vector (make_number (1), intern (k0_name
)));
1367 /* Set up cookies for numbered function keys above f10. */
1369 char fcap
[3], fkey
[4];
1371 fcap
[0] = 'F'; fcap
[2] = '\0';
1372 for (i
= 11; i
< 64; i
++)
1375 fcap
[1] = '1' + i
- 11;
1377 fcap
[1] = 'A' + i
- 20;
1379 fcap
[1] = 'a' + i
- 46;
1382 char *sequence
= tgetstr (fcap
, address
);
1385 sprintf (fkey
, "f%d", i
);
1386 Fdefine_key (KVAR (kboard
, Vinput_decode_map
), build_string (sequence
),
1387 Fmake_vector (make_number (1),
1395 * Various mappings to try and get a better fit.
1398 #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \
1399 if (!tgetstr (cap1, address)) \
1401 char *sequence = tgetstr (cap2, address); \
1403 Fdefine_key (KVAR (kboard, Vinput_decode_map), build_string (sequence), \
1404 Fmake_vector (make_number (1), \
1408 /* if there's no key_next keycap, map key_npage to `next' keysym */
1409 CONDITIONAL_REASSIGN ("%5", "kN", "next");
1410 /* if there's no key_prev keycap, map key_ppage to `previous' keysym */
1411 CONDITIONAL_REASSIGN ("%8", "kP", "prior");
1412 /* if there's no key_dc keycap, map key_ic to `insert' keysym */
1413 CONDITIONAL_REASSIGN ("kD", "kI", "insert");
1414 /* if there's no key_end keycap, map key_ll to 'end' keysym */
1415 CONDITIONAL_REASSIGN ("@7", "kH", "end");
1417 /* IBM has their own non-standard dialect of terminfo.
1418 If the standard name isn't found, try the IBM name. */
1419 CONDITIONAL_REASSIGN ("kB", "KO", "backtab");
1420 CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */
1421 CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */
1422 CONDITIONAL_REASSIGN ("%7", "ki", "menu");
1423 CONDITIONAL_REASSIGN ("@7", "kw", "end");
1424 CONDITIONAL_REASSIGN ("F1", "k<", "f11");
1425 CONDITIONAL_REASSIGN ("F2", "k>", "f12");
1426 CONDITIONAL_REASSIGN ("%1", "kq", "help");
1427 CONDITIONAL_REASSIGN ("*6", "kU", "select");
1428 #undef CONDITIONAL_REASSIGN
1433 #endif /* not DOS_NT */
1436 /***********************************************************************
1437 Character Display Information
1438 ***********************************************************************/
1439 static void append_glyph (struct it
*);
1440 static void append_composite_glyph (struct it
*);
1441 static void produce_composite_glyph (struct it
*);
1442 static void append_glyphless_glyph (struct it
*, int, const char *);
1443 static void produce_glyphless_glyph (struct it
*, Lisp_Object
);
1445 /* Append glyphs to IT's glyph_row. Called from produce_glyphs for
1446 terminal frames if IT->glyph_row != NULL. IT->char_to_display is
1447 the character for which to produce glyphs; IT->face_id contains the
1448 character's face. Padding glyphs are appended if IT->c has a
1449 IT->pixel_width > 1. */
1452 append_glyph (struct it
*it
)
1454 struct glyph
*glyph
, *end
;
1457 eassert (it
->glyph_row
);
1458 glyph
= (it
->glyph_row
->glyphs
[it
->area
]
1459 + it
->glyph_row
->used
[it
->area
]);
1460 end
= it
->glyph_row
->glyphs
[1 + it
->area
];
1462 /* If the glyph row is reversed, we need to prepend the glyph rather
1464 if (it
->glyph_row
->reversed_p
&& it
->area
== TEXT_AREA
)
1467 int move_by
= it
->pixel_width
;
1469 /* Make room for the new glyphs. */
1470 if (move_by
> end
- glyph
) /* don't overstep end of this area */
1471 move_by
= end
- glyph
;
1472 for (g
= glyph
- 1; g
>= it
->glyph_row
->glyphs
[it
->area
]; g
--)
1474 glyph
= it
->glyph_row
->glyphs
[it
->area
];
1475 end
= glyph
+ move_by
;
1478 /* BIDI Note: we put the glyphs of a "multi-pixel" character left to
1479 right, even in the REVERSED_P case, since (a) all of its u.ch are
1480 identical, and (b) the PADDING_P flag needs to be set for the
1481 leftmost one, because we write to the terminal left-to-right. */
1483 i
< it
->pixel_width
&& glyph
< end
;
1486 glyph
->type
= CHAR_GLYPH
;
1487 glyph
->pixel_width
= 1;
1488 glyph
->u
.ch
= it
->char_to_display
;
1489 glyph
->face_id
= it
->face_id
;
1490 glyph
->padding_p
= i
> 0;
1491 glyph
->charpos
= CHARPOS (it
->position
);
1492 glyph
->object
= it
->object
;
1495 glyph
->resolved_level
= it
->bidi_it
.resolved_level
;
1496 if ((it
->bidi_it
.type
& 7) != it
->bidi_it
.type
)
1498 glyph
->bidi_type
= it
->bidi_it
.type
;
1502 glyph
->resolved_level
= 0;
1503 glyph
->bidi_type
= UNKNOWN_BT
;
1506 ++it
->glyph_row
->used
[it
->area
];
1511 /* For external use. */
1513 tty_append_glyph (struct it
*it
)
1519 /* Produce glyphs for the display element described by IT. *IT
1520 specifies what we want to produce a glyph for (character, image, ...),
1521 and where in the glyph matrix we currently are (glyph row and hpos).
1522 produce_glyphs fills in output fields of *IT with information such as the
1523 pixel width and height of a character, and maybe output actual glyphs at
1524 the same time if IT->glyph_row is non-null. For an overview, see
1525 the explanation in dispextern.h, before the definition of the
1526 display_element_type enumeration.
1528 produce_glyphs also stores the result of glyph width, ascent
1529 etc. computations in *IT.
1531 IT->glyph_row may be null, in which case produce_glyphs does not
1532 actually fill in the glyphs. This is used in the move_* functions
1533 in xdisp.c for text width and height computations.
1535 Callers usually don't call produce_glyphs directly;
1536 instead they use the macro PRODUCE_GLYPHS. */
1539 produce_glyphs (struct it
*it
)
1541 /* If a hook is installed, let it do the work. */
1543 /* Nothing but characters are supported on terminal frames. */
1544 eassert (it
->what
== IT_CHARACTER
1545 || it
->what
== IT_COMPOSITION
1546 || it
->what
== IT_STRETCH
1547 || it
->what
== IT_GLYPHLESS
);
1549 if (it
->what
== IT_STRETCH
)
1551 produce_stretch_glyph (it
);
1555 if (it
->what
== IT_COMPOSITION
)
1557 produce_composite_glyph (it
);
1561 if (it
->what
== IT_GLYPHLESS
)
1563 produce_glyphless_glyph (it
, Qnil
);
1567 if (it
->char_to_display
>= 040 && it
->char_to_display
< 0177)
1569 it
->pixel_width
= it
->nglyphs
= 1;
1573 else if (it
->char_to_display
== '\n')
1574 it
->pixel_width
= it
->nglyphs
= 0;
1575 else if (it
->char_to_display
== '\t')
1577 int absolute_x
= (it
->current_x
1578 + it
->continuation_lines_width
);
1580 = (((1 + absolute_x
+ it
->tab_width
- 1)
1585 /* If part of the TAB has been displayed on the previous line
1586 which is continued now, continuation_lines_width will have
1587 been incremented already by the part that fitted on the
1588 continued line. So, we will get the right number of spaces
1590 nspaces
= next_tab_x
- absolute_x
;
1596 it
->char_to_display
= ' ';
1597 it
->pixel_width
= it
->len
= 1;
1603 it
->pixel_width
= nspaces
;
1604 it
->nglyphs
= nspaces
;
1606 else if (CHAR_BYTE8_P (it
->char_to_display
))
1608 /* Coming here means that we must send the raw 8-bit byte as is
1609 to the terminal. Although there's no way to know how many
1610 columns it occupies on a screen, it is a good assumption that
1611 a single byte code has 1-column width. */
1612 it
->pixel_width
= it
->nglyphs
= 1;
1618 Lisp_Object charset_list
= FRAME_TERMINAL (it
->f
)->charset_list
;
1620 if (char_charset (it
->char_to_display
, charset_list
, NULL
))
1622 it
->pixel_width
= CHAR_WIDTH (it
->char_to_display
);
1623 it
->nglyphs
= it
->pixel_width
;
1629 Lisp_Object acronym
= lookup_glyphless_char_display (-1, it
);
1631 eassert (it
->what
== IT_GLYPHLESS
);
1632 produce_glyphless_glyph (it
, acronym
);
1637 /* Advance current_x by the pixel width as a convenience for
1639 if (it
->area
== TEXT_AREA
)
1640 it
->current_x
+= it
->pixel_width
;
1641 it
->ascent
= it
->max_ascent
= it
->phys_ascent
= it
->max_phys_ascent
= 0;
1642 it
->descent
= it
->max_descent
= it
->phys_descent
= it
->max_phys_descent
= 1;
1645 /* Append glyphs to IT's glyph_row for the composition IT->cmp_id.
1646 Called from produce_composite_glyph for terminal frames if
1647 IT->glyph_row != NULL. IT->face_id contains the character's
1651 append_composite_glyph (struct it
*it
)
1653 struct glyph
*glyph
;
1655 eassert (it
->glyph_row
);
1656 glyph
= it
->glyph_row
->glyphs
[it
->area
] + it
->glyph_row
->used
[it
->area
];
1657 if (glyph
< it
->glyph_row
->glyphs
[1 + it
->area
])
1659 /* If the glyph row is reversed, we need to prepend the glyph
1660 rather than append it. */
1661 if (it
->glyph_row
->reversed_p
&& it
->area
== TEXT_AREA
)
1665 /* Make room for the new glyph. */
1666 for (g
= glyph
- 1; g
>= it
->glyph_row
->glyphs
[it
->area
]; g
--)
1668 glyph
= it
->glyph_row
->glyphs
[it
->area
];
1670 glyph
->type
= COMPOSITE_GLYPH
;
1671 glyph
->pixel_width
= it
->pixel_width
;
1672 glyph
->u
.cmp
.id
= it
->cmp_it
.id
;
1673 if (it
->cmp_it
.ch
< 0)
1675 glyph
->u
.cmp
.automatic
= 0;
1676 glyph
->u
.cmp
.id
= it
->cmp_it
.id
;
1680 glyph
->u
.cmp
.automatic
= 1;
1681 glyph
->u
.cmp
.id
= it
->cmp_it
.id
;
1682 glyph
->slice
.cmp
.from
= it
->cmp_it
.from
;
1683 glyph
->slice
.cmp
.to
= it
->cmp_it
.to
- 1;
1686 glyph
->face_id
= it
->face_id
;
1687 glyph
->padding_p
= 0;
1688 glyph
->charpos
= CHARPOS (it
->position
);
1689 glyph
->object
= it
->object
;
1692 glyph
->resolved_level
= it
->bidi_it
.resolved_level
;
1693 if ((it
->bidi_it
.type
& 7) != it
->bidi_it
.type
)
1695 glyph
->bidi_type
= it
->bidi_it
.type
;
1699 glyph
->resolved_level
= 0;
1700 glyph
->bidi_type
= UNKNOWN_BT
;
1703 ++it
->glyph_row
->used
[it
->area
];
1709 /* Produce a composite glyph for iterator IT. IT->cmp_id is the ID of
1710 the composition. We simply produces components of the composition
1711 assuming that the terminal has a capability to layout/render it
1715 produce_composite_glyph (struct it
*it
)
1717 if (it
->cmp_it
.ch
< 0)
1719 struct composition
*cmp
= composition_table
[it
->cmp_it
.id
];
1721 it
->pixel_width
= cmp
->width
;
1725 Lisp_Object gstring
= composition_gstring_from_id (it
->cmp_it
.id
);
1727 it
->pixel_width
= composition_gstring_width (gstring
, it
->cmp_it
.from
,
1728 it
->cmp_it
.to
, NULL
);
1732 append_composite_glyph (it
);
1736 /* Append a glyph for a glyphless character to IT->glyph_row. FACE_ID
1737 is a face ID to be used for the glyph. What is actually appended
1738 are glyphs of type CHAR_GLYPH whose characters are in STR (which
1739 comes from it->nglyphs bytes). */
1742 append_glyphless_glyph (struct it
*it
, int face_id
, const char *str
)
1744 struct glyph
*glyph
, *end
;
1747 eassert (it
->glyph_row
);
1748 glyph
= it
->glyph_row
->glyphs
[it
->area
] + it
->glyph_row
->used
[it
->area
];
1749 end
= it
->glyph_row
->glyphs
[1 + it
->area
];
1751 /* If the glyph row is reversed, we need to prepend the glyph rather
1753 if (it
->glyph_row
->reversed_p
&& it
->area
== TEXT_AREA
)
1756 int move_by
= it
->pixel_width
;
1758 /* Make room for the new glyphs. */
1759 if (move_by
> end
- glyph
) /* don't overstep end of this area */
1760 move_by
= end
- glyph
;
1761 for (g
= glyph
- 1; g
>= it
->glyph_row
->glyphs
[it
->area
]; g
--)
1763 glyph
= it
->glyph_row
->glyphs
[it
->area
];
1764 end
= glyph
+ move_by
;
1769 glyph
->type
= CHAR_GLYPH
;
1770 glyph
->pixel_width
= 1;
1771 glyph
->face_id
= face_id
;
1772 glyph
->padding_p
= 0;
1773 glyph
->charpos
= CHARPOS (it
->position
);
1774 glyph
->object
= it
->object
;
1777 glyph
->resolved_level
= it
->bidi_it
.resolved_level
;
1778 if ((it
->bidi_it
.type
& 7) != it
->bidi_it
.type
)
1780 glyph
->bidi_type
= it
->bidi_it
.type
;
1784 glyph
->resolved_level
= 0;
1785 glyph
->bidi_type
= UNKNOWN_BT
;
1788 /* BIDI Note: we put the glyphs of characters left to right, even in
1789 the REVERSED_P case because we write to the terminal
1791 for (i
= 0; i
< it
->nglyphs
&& glyph
< end
; ++i
)
1794 glyph
[0] = glyph
[-1];
1795 glyph
->u
.ch
= str
[i
];
1796 ++it
->glyph_row
->used
[it
->area
];
1801 /* Produce glyphs for a glyphless character for iterator IT.
1802 IT->glyphless_method specifies which method to use for displaying
1803 the character. See the description of enum
1804 glyphless_display_method in dispextern.h for the details.
1806 ACRONYM, if non-nil, is an acronym string for the character.
1808 The glyphs actually produced are of type CHAR_GLYPH. */
1811 produce_glyphless_glyph (struct it
*it
, Lisp_Object acronym
)
1813 int len
, face_id
= merge_glyphless_glyph_face (it
);
1814 char buf
[sizeof "\\x" + max (6, (sizeof it
->c
* CHAR_BIT
+ 3) / 4)];
1815 char const *str
= " ";
1817 if (it
->glyphless_method
== GLYPHLESS_DISPLAY_THIN_SPACE
)
1819 /* As there's no way to produce a thin space, we produce a space
1820 of canonical width. */
1823 else if (it
->glyphless_method
== GLYPHLESS_DISPLAY_EMPTY_BOX
)
1825 len
= CHAR_WIDTH (it
->c
);
1830 len
= sprintf (buf
, "[%.*s]", len
, str
);
1835 if (it
->glyphless_method
== GLYPHLESS_DISPLAY_ACRONYM
)
1837 if (! STRINGP (acronym
) && CHAR_TABLE_P (Vglyphless_char_display
))
1838 acronym
= CHAR_TABLE_REF (Vglyphless_char_display
, it
->c
);
1839 if (CONSP (acronym
))
1840 acronym
= XCDR (acronym
);
1842 str
= STRINGP (acronym
) ? SSDATA (acronym
) : "";
1843 for (len
= 0; len
< 6 && str
[len
] && ASCII_BYTE_P (str
[len
]); len
++)
1844 buf
[1 + len
] = str
[len
];
1850 eassert (it
->glyphless_method
== GLYPHLESS_DISPLAY_HEX_CODE
);
1851 len
= (it
->c
< 0x10000 ? sprintf (buf
, "\\u%04X", it
->c
)
1852 : it
->c
<= MAX_UNICODE_CHAR
? sprintf (buf
, "\\U%06X", it
->c
)
1853 : sprintf (buf
, "\\x%06X", it
->c
));
1858 it
->pixel_width
= len
;
1861 append_glyphless_glyph (it
, face_id
, str
);
1865 /***********************************************************************
1867 ***********************************************************************/
1869 /* Value is non-zero if attribute ATTR may be used. ATTR should be
1870 one of the enumerators from enum no_color_bit, or a bit set built
1871 from them. Some display attributes may not be used together with
1872 color; the termcap capability `NC' specifies which ones. */
1874 #define MAY_USE_WITH_COLORS_P(tty, ATTR) \
1875 (tty->TN_max_colors > 0 \
1876 ? (tty->TN_no_color_video & (ATTR)) == 0 \
1879 /* Turn appearances of face FACE_ID on tty frame F on.
1880 FACE_ID is a realized face ID number, in the face cache. */
1883 turn_on_face (struct frame
*f
, int face_id
)
1885 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1886 long fg
= face
->foreground
;
1887 long bg
= face
->background
;
1888 struct tty_display_info
*tty
= FRAME_TTY (f
);
1890 /* Do this first because TS_end_standout_mode may be the same
1891 as TS_exit_attribute_mode, which turns all appearances off. */
1892 if (MAY_USE_WITH_COLORS_P (tty
, NC_REVERSE
))
1894 if (tty
->TN_max_colors
> 0)
1896 if (fg
>= 0 && bg
>= 0)
1898 /* If the terminal supports colors, we can set them
1899 below without using reverse video. The face's fg
1900 and bg colors are set as they should appear on
1901 the screen, i.e. they take the inverse-video'ness
1902 of the face already into account. */
1904 else if (inverse_video
)
1906 if (fg
== FACE_TTY_DEFAULT_FG_COLOR
1907 || bg
== FACE_TTY_DEFAULT_BG_COLOR
)
1908 tty_toggle_highlight (tty
);
1912 if (fg
== FACE_TTY_DEFAULT_BG_COLOR
1913 || bg
== FACE_TTY_DEFAULT_FG_COLOR
)
1914 tty_toggle_highlight (tty
);
1919 /* If we can't display colors, use reverse video
1920 if the face specifies that. */
1923 if (fg
== FACE_TTY_DEFAULT_FG_COLOR
1924 || bg
== FACE_TTY_DEFAULT_BG_COLOR
)
1925 tty_toggle_highlight (tty
);
1929 if (fg
== FACE_TTY_DEFAULT_BG_COLOR
1930 || bg
== FACE_TTY_DEFAULT_FG_COLOR
)
1931 tty_toggle_highlight (tty
);
1936 if (face
->tty_bold_p
&& MAY_USE_WITH_COLORS_P (tty
, NC_BOLD
))
1937 OUTPUT1_IF (tty
, tty
->TS_enter_bold_mode
);
1939 if (face
->tty_italic_p
&& MAY_USE_WITH_COLORS_P (tty
, NC_ITALIC
))
1941 if (tty
->TS_enter_italic_mode
)
1942 OUTPUT1 (tty
, tty
->TS_enter_italic_mode
);
1944 /* Italics mode is unavailable on many terminals. In that
1945 case, map slant to dimmed text; we want italic text to
1946 appear different and dimming is not otherwise used. */
1947 OUTPUT1 (tty
, tty
->TS_enter_dim_mode
);
1950 if (face
->tty_underline_p
&& MAY_USE_WITH_COLORS_P (tty
, NC_UNDERLINE
))
1951 OUTPUT1_IF (tty
, tty
->TS_enter_underline_mode
);
1953 if (tty
->TN_max_colors
> 0)
1958 ts
= tty
->standout_mode
? tty
->TS_set_background
: tty
->TS_set_foreground
;
1961 p
= tparam (ts
, NULL
, 0, fg
, 0, 0, 0);
1966 ts
= tty
->standout_mode
? tty
->TS_set_foreground
: tty
->TS_set_background
;
1969 p
= tparam (ts
, NULL
, 0, bg
, 0, 0, 0);
1977 /* Turn off appearances of face FACE_ID on tty frame F. */
1980 turn_off_face (struct frame
*f
, int face_id
)
1982 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1983 struct tty_display_info
*tty
= FRAME_TTY (f
);
1985 eassert (face
!= NULL
);
1987 if (tty
->TS_exit_attribute_mode
)
1989 /* Capability "me" will turn off appearance modes double-bright,
1990 half-bright, reverse-video, standout, underline. It may or
1991 may not turn off alt-char-mode. */
1992 if (face
->tty_bold_p
1993 || face
->tty_italic_p
1994 || face
->tty_reverse_p
1995 || face
->tty_underline_p
)
1997 OUTPUT1_IF (tty
, tty
->TS_exit_attribute_mode
);
1998 if (strcmp (tty
->TS_exit_attribute_mode
, tty
->TS_end_standout_mode
) == 0)
1999 tty
->standout_mode
= 0;
2004 /* If we don't have "me" we can only have those appearances
2005 that have exit sequences defined. */
2006 if (face
->tty_underline_p
)
2007 OUTPUT_IF (tty
, tty
->TS_exit_underline_mode
);
2010 /* Switch back to default colors. */
2011 if (tty
->TN_max_colors
> 0
2012 && ((face
->foreground
!= FACE_TTY_DEFAULT_COLOR
2013 && face
->foreground
!= FACE_TTY_DEFAULT_FG_COLOR
)
2014 || (face
->background
!= FACE_TTY_DEFAULT_COLOR
2015 && face
->background
!= FACE_TTY_DEFAULT_BG_COLOR
)))
2016 OUTPUT1_IF (tty
, tty
->TS_orig_pair
);
2020 /* Return true if the terminal on frame F supports all of the
2021 capabilities in CAPS simultaneously, with foreground and background
2022 colors FG and BG. */
2025 tty_capable_p (struct tty_display_info
*tty
, unsigned int caps
,
2026 unsigned long fg
, unsigned long bg
)
2028 #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \
2029 if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \
2032 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_INVERSE
, tty
->TS_standout_mode
, NC_REVERSE
);
2033 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_UNDERLINE
, tty
->TS_enter_underline_mode
, NC_UNDERLINE
);
2034 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_BOLD
, tty
->TS_enter_bold_mode
, NC_BOLD
);
2035 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_DIM
, tty
->TS_enter_dim_mode
, NC_DIM
);
2036 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_ITALIC
, tty
->TS_enter_italic_mode
, NC_ITALIC
);
2042 /* Return non-zero if the terminal is capable to display colors. */
2044 DEFUN ("tty-display-color-p", Ftty_display_color_p
, Stty_display_color_p
,
2046 doc
: /* Return non-nil if the tty device TERMINAL can display colors.
2048 TERMINAL can be a terminal object, a frame, or nil (meaning the
2049 selected frame's terminal). This function always returns nil if
2050 TERMINAL does not refer to a text terminal. */)
2051 (Lisp_Object terminal
)
2053 struct terminal
*t
= get_tty_terminal (terminal
, 0);
2057 return t
->display_info
.tty
->TN_max_colors
> 0 ? Qt
: Qnil
;
2060 /* Return the number of supported colors. */
2061 DEFUN ("tty-display-color-cells", Ftty_display_color_cells
,
2062 Stty_display_color_cells
, 0, 1, 0,
2063 doc
: /* Return the number of colors supported by the tty device TERMINAL.
2065 TERMINAL can be a terminal object, a frame, or nil (meaning the
2066 selected frame's terminal). This function always returns 0 if
2067 TERMINAL does not refer to a text terminal. */)
2068 (Lisp_Object terminal
)
2070 struct terminal
*t
= get_tty_terminal (terminal
, 0);
2072 return make_number (0);
2074 return make_number (t
->display_info
.tty
->TN_max_colors
);
2079 /* Declare here rather than in the function, as in the rest of Emacs,
2080 to work around an HPUX compiler bug (?). See
2081 http://lists.gnu.org/archive/html/emacs-devel/2007-08/msg00410.html */
2082 static int default_max_colors
;
2083 static int default_max_pairs
;
2084 static int default_no_color_video
;
2085 static char *default_orig_pair
;
2086 static char *default_set_foreground
;
2087 static char *default_set_background
;
2089 /* Save or restore the default color-related capabilities of this
2092 tty_default_color_capabilities (struct tty_display_info
*tty
, bool save
)
2097 xfree (default_orig_pair
);
2098 default_orig_pair
= tty
->TS_orig_pair
? xstrdup (tty
->TS_orig_pair
) : NULL
;
2100 xfree (default_set_foreground
);
2101 default_set_foreground
= tty
->TS_set_foreground
? xstrdup (tty
->TS_set_foreground
)
2104 xfree (default_set_background
);
2105 default_set_background
= tty
->TS_set_background
? xstrdup (tty
->TS_set_background
)
2108 default_max_colors
= tty
->TN_max_colors
;
2109 default_max_pairs
= tty
->TN_max_pairs
;
2110 default_no_color_video
= tty
->TN_no_color_video
;
2114 tty
->TS_orig_pair
= default_orig_pair
;
2115 tty
->TS_set_foreground
= default_set_foreground
;
2116 tty
->TS_set_background
= default_set_background
;
2117 tty
->TN_max_colors
= default_max_colors
;
2118 tty
->TN_max_pairs
= default_max_pairs
;
2119 tty
->TN_no_color_video
= default_no_color_video
;
2123 /* Setup one of the standard tty color schemes according to MODE.
2124 MODE's value is generally the number of colors which we want to
2125 support; zero means set up for the default capabilities, the ones
2126 we saw at init_tty time; -1 means turn off color support. */
2128 tty_setup_colors (struct tty_display_info
*tty
, int mode
)
2130 /* Canonicalize all negative values of MODE. */
2136 case -1: /* no colors at all */
2137 tty
->TN_max_colors
= 0;
2138 tty
->TN_max_pairs
= 0;
2139 tty
->TN_no_color_video
= 0;
2140 tty
->TS_set_foreground
= tty
->TS_set_background
= tty
->TS_orig_pair
= NULL
;
2142 case 0: /* default colors, if any */
2144 tty_default_color_capabilities (tty
, 0);
2146 case 8: /* 8 standard ANSI colors */
2147 tty
->TS_orig_pair
= "\033[0m";
2149 tty
->TS_set_foreground
= "\033[3%p1%dm";
2150 tty
->TS_set_background
= "\033[4%p1%dm";
2152 tty
->TS_set_foreground
= "\033[3%dm";
2153 tty
->TS_set_background
= "\033[4%dm";
2155 tty
->TN_max_colors
= 8;
2156 tty
->TN_max_pairs
= 64;
2157 tty
->TN_no_color_video
= 0;
2163 set_tty_color_mode (struct tty_display_info
*tty
, struct frame
*f
)
2165 Lisp_Object tem
, val
;
2166 Lisp_Object color_mode
;
2168 Lisp_Object tty_color_mode_alist
2169 = Fintern_soft (build_string ("tty-color-mode-alist"), Qnil
);
2171 tem
= assq_no_quit (Qtty_color_mode
, f
->param_alist
);
2172 val
= CONSP (tem
) ? XCDR (tem
) : Qnil
;
2176 else if (SYMBOLP (tty_color_mode_alist
))
2178 tem
= Fassq (val
, Fsymbol_value (tty_color_mode_alist
));
2179 color_mode
= CONSP (tem
) ? XCDR (tem
) : Qnil
;
2184 mode
= TYPE_RANGED_INTEGERP (int, color_mode
) ? XINT (color_mode
) : 0;
2186 if (mode
!= tty
->previous_color_mode
)
2188 tty
->previous_color_mode
= mode
;
2189 tty_setup_colors (tty
, mode
);
2190 /* This recomputes all the faces given the new color definitions. */
2191 safe_call (1, intern ("tty-set-up-initial-frame-faces"));
2195 #endif /* !DOS_NT */
2199 /* Return the tty display object specified by TERMINAL. */
2201 static struct terminal
*
2202 get_tty_terminal (Lisp_Object terminal
, bool throw)
2204 struct terminal
*t
= get_terminal (terminal
, throw);
2206 if (t
&& t
->type
!= output_termcap
&& t
->type
!= output_msdos_raw
)
2209 error ("Device %d is not a termcap terminal device", t
->id
);
2217 /* Return an active termcap device that uses the tty device with the
2220 This function ignores suspended devices.
2222 Returns NULL if the named terminal device is not opened. */
2225 get_named_tty (const char *name
)
2231 for (t
= terminal_list
; t
; t
= t
->next_terminal
)
2233 if ((t
->type
== output_termcap
|| t
->type
== output_msdos_raw
)
2234 && !strcmp (t
->display_info
.tty
->name
, name
)
2235 && TERMINAL_ACTIVE_P (t
))
2243 DEFUN ("tty-type", Ftty_type
, Stty_type
, 0, 1, 0,
2244 doc
: /* Return the type of the tty device that TERMINAL uses.
2245 Returns nil if TERMINAL is not on a tty device.
2247 TERMINAL can be a terminal object, a frame, or nil (meaning the
2248 selected frame's terminal). */)
2249 (Lisp_Object terminal
)
2251 struct terminal
*t
= get_terminal (terminal
, 1);
2253 if (t
->type
!= output_termcap
&& t
->type
!= output_msdos_raw
)
2256 if (t
->display_info
.tty
->type
)
2257 return build_string (t
->display_info
.tty
->type
);
2262 DEFUN ("controlling-tty-p", Fcontrolling_tty_p
, Scontrolling_tty_p
, 0, 1, 0,
2263 doc
: /* Return non-nil if TERMINAL is the controlling tty of the Emacs process.
2265 TERMINAL can be a terminal object, a frame, or nil (meaning the
2266 selected frame's terminal). This function always returns nil if
2267 TERMINAL is not on a tty device. */)
2268 (Lisp_Object terminal
)
2270 struct terminal
*t
= get_terminal (terminal
, 1);
2272 if ((t
->type
!= output_termcap
&& t
->type
!= output_msdos_raw
)
2273 || strcmp (t
->display_info
.tty
->name
, DEV_TTY
) != 0)
2279 DEFUN ("tty-no-underline", Ftty_no_underline
, Stty_no_underline
, 0, 1, 0,
2280 doc
: /* Declare that the tty used by TERMINAL does not handle underlining.
2281 This is used to override the terminfo data, for certain terminals that
2282 do not really do underlining, but say that they do. This function has
2283 no effect if used on a non-tty terminal.
2285 TERMINAL can be a terminal object, a frame or nil (meaning the
2286 selected frame's terminal). This function always returns nil if
2287 TERMINAL does not refer to a text terminal. */)
2288 (Lisp_Object terminal
)
2290 struct terminal
*t
= get_terminal (terminal
, 1);
2292 if (t
->type
== output_termcap
)
2293 t
->display_info
.tty
->TS_enter_underline_mode
= 0;
2297 DEFUN ("tty-top-frame", Ftty_top_frame
, Stty_top_frame
, 0, 1, 0,
2298 doc
: /* Return the topmost terminal frame on TERMINAL.
2299 TERMINAL can be a terminal object, a frame or nil (meaning the
2300 selected frame's terminal). This function returns nil if TERMINAL
2301 does not refer to a text terminal. Otherwise, it returns the
2302 top-most frame on the text terminal. */)
2303 (Lisp_Object terminal
)
2305 struct terminal
*t
= get_terminal (terminal
, 1);
2307 if (t
->type
== output_termcap
)
2308 return t
->display_info
.tty
->top_frame
;
2314 DEFUN ("suspend-tty", Fsuspend_tty
, Ssuspend_tty
, 0, 1, 0,
2315 doc
: /* Suspend the terminal device TTY.
2317 The device is restored to its default state, and Emacs ceases all
2318 access to the tty device. Frames that use the device are not deleted,
2319 but input is not read from them and if they change, their display is
2322 TTY may be a terminal object, a frame, or nil for the terminal device
2323 of the currently selected frame.
2325 This function runs `suspend-tty-functions' after suspending the
2326 device. The functions are run with one arg, the id of the suspended
2329 `suspend-tty' does nothing if it is called on a device that is already
2332 A suspended tty may be resumed by calling `resume-tty' on it. */)
2335 struct terminal
*t
= get_tty_terminal (tty
, 1);
2339 error ("Unknown tty device");
2341 f
= t
->display_info
.tty
->input
;
2345 /* First run `suspend-tty-functions' and then clean up the tty
2346 state because `suspend-tty-functions' might need to change
2348 Lisp_Object args
[2];
2349 args
[0] = intern ("suspend-tty-functions");
2350 XSETTERMINAL (args
[1], t
);
2351 Frun_hook_with_args (2, args
);
2353 reset_sys_modes (t
->display_info
.tty
);
2354 delete_keyboard_wait_descriptor (fileno (f
));
2358 if (f
!= t
->display_info
.tty
->output
)
2359 fclose (t
->display_info
.tty
->output
);
2362 t
->display_info
.tty
->input
= 0;
2363 t
->display_info
.tty
->output
= 0;
2365 if (FRAMEP (t
->display_info
.tty
->top_frame
))
2366 SET_FRAME_VISIBLE (XFRAME (t
->display_info
.tty
->top_frame
), 0);
2370 /* Clear display hooks to prevent further output. */
2371 clear_tty_hooks (t
);
2376 DEFUN ("resume-tty", Fresume_tty
, Sresume_tty
, 0, 1, 0,
2377 doc
: /* Resume the previously suspended terminal device TTY.
2378 The terminal is opened and reinitialized. Frames that are on the
2379 suspended terminal are revived.
2381 It is an error to resume a terminal while another terminal is active
2384 This function runs `resume-tty-functions' after resuming the terminal.
2385 The functions are run with one arg, the id of the resumed terminal
2388 `resume-tty' does nothing if it is called on a device that is not
2391 TTY may be a terminal object, a frame, or nil (meaning the selected
2392 frame's terminal). */)
2395 struct terminal
*t
= get_tty_terminal (tty
, 1);
2399 error ("Unknown tty device");
2401 if (!t
->display_info
.tty
->input
)
2403 if (get_named_tty (t
->display_info
.tty
->name
))
2404 error ("Cannot resume display while another display is active on the same device");
2407 t
->display_info
.tty
->output
= stdout
;
2408 t
->display_info
.tty
->input
= stdin
;
2410 fd
= emacs_open (t
->display_info
.tty
->name
, O_RDWR
| O_NOCTTY
, 0);
2411 t
->display_info
.tty
->input
= t
->display_info
.tty
->output
2412 = fd
< 0 ? 0 : fdopen (fd
, "w+");
2414 if (! t
->display_info
.tty
->input
)
2416 int open_errno
= errno
;
2418 report_file_errno ("Cannot reopen tty device",
2419 build_string (t
->display_info
.tty
->name
),
2423 if (!O_IGNORE_CTTY
&& strcmp (t
->display_info
.tty
->name
, DEV_TTY
) != 0)
2424 dissociate_if_controlling_tty (fd
);
2427 add_keyboard_wait_descriptor (fd
);
2429 if (FRAMEP (t
->display_info
.tty
->top_frame
))
2431 struct frame
*f
= XFRAME (t
->display_info
.tty
->top_frame
);
2433 int old_height
= FRAME_COLS (f
);
2434 int old_width
= FRAME_LINES (f
);
2436 /* Check if terminal/window size has changed while the frame
2438 get_tty_size (fileno (t
->display_info
.tty
->input
), &width
, &height
);
2439 if (width
!= old_width
|| height
!= old_height
)
2440 change_frame_size (f
, height
, width
, 0, 0, 0);
2441 SET_FRAME_VISIBLE (XFRAME (t
->display_info
.tty
->top_frame
), 1);
2445 init_sys_modes (t
->display_info
.tty
);
2448 /* Run `resume-tty-functions'. */
2449 Lisp_Object args
[2];
2450 args
[0] = intern ("resume-tty-functions");
2451 XSETTERMINAL (args
[1], t
);
2452 Frun_hook_with_args (2, args
);
2462 /***********************************************************************
2464 ***********************************************************************/
2468 #ifndef HAVE_WINDOW_SYSTEM
2470 term_mouse_moveto (int x
, int y
)
2472 /* TODO: how to set mouse position?
2475 name = (const char *) ttyname (0);
2476 fd = emacs_open (name, O_WRONLY, 0);
2477 SOME_FUNCTION (x, y, fd);
2480 last_mouse_y = y; */
2482 #endif /* HAVE_WINDOW_SYSTEM */
2484 /* Implementation of draw_row_with_mouse_face for TTY/GPM. */
2486 tty_draw_row_with_mouse_face (struct window
*w
, struct glyph_row
*row
,
2487 int start_hpos
, int end_hpos
,
2488 enum draw_glyphs_face draw
)
2490 int nglyphs
= end_hpos
- start_hpos
;
2491 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
2492 struct tty_display_info
*tty
= FRAME_TTY (f
);
2493 int face_id
= tty
->mouse_highlight
.mouse_face_face_id
;
2494 int save_x
, save_y
, pos_x
, pos_y
;
2496 if (end_hpos
>= row
->used
[TEXT_AREA
])
2497 nglyphs
= row
->used
[TEXT_AREA
] - start_hpos
;
2499 pos_y
= row
->y
+ WINDOW_TOP_EDGE_Y (w
);
2500 pos_x
= row
->used
[LEFT_MARGIN_AREA
] + start_hpos
+ WINDOW_LEFT_EDGE_X (w
);
2502 /* Save current cursor co-ordinates. */
2503 save_y
= curY (tty
);
2504 save_x
= curX (tty
);
2505 cursor_to (f
, pos_y
, pos_x
);
2507 if (draw
== DRAW_MOUSE_FACE
)
2508 tty_write_glyphs_with_face (f
, row
->glyphs
[TEXT_AREA
] + start_hpos
,
2510 else if (draw
== DRAW_NORMAL_TEXT
)
2511 write_glyphs (f
, row
->glyphs
[TEXT_AREA
] + start_hpos
, nglyphs
);
2513 cursor_to (f
, save_y
, save_x
);
2517 term_mouse_movement (struct frame
*frame
, Gpm_Event
*event
)
2519 /* Has the mouse moved off the glyph it was on at the last sighting? */
2520 if (event
->x
!= last_mouse_x
|| event
->y
!= last_mouse_y
)
2522 frame
->mouse_moved
= 1;
2523 note_mouse_highlight (frame
, event
->x
, event
->y
);
2524 /* Remember which glyph we're now on. */
2525 last_mouse_x
= event
->x
;
2526 last_mouse_y
= event
->y
;
2532 /* Return the Time that corresponds to T. Wrap around on overflow. */
2534 timeval_to_Time (struct timeval
const *t
)
2540 ms
= t
->tv_usec
/ 1000;
2544 /* Return the current position of the mouse.
2546 Set *f to the frame the mouse is in, or zero if the mouse is in no
2547 Emacs frame. If it is set to zero, all the other arguments are
2550 Set *bar_window to Qnil, and *x and *y to the column and
2551 row of the character cell the mouse is over.
2553 Set *timeptr to the time the mouse was at the returned position.
2555 This clears mouse_moved until the next motion
2558 term_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
2559 enum scroll_bar_part
*part
, Lisp_Object
*x
,
2560 Lisp_Object
*y
, Time
*timeptr
)
2564 *fp
= SELECTED_FRAME ();
2565 (*fp
)->mouse_moved
= 0;
2570 XSETINT (*x
, last_mouse_x
);
2571 XSETINT (*y
, last_mouse_y
);
2572 gettimeofday(&now
, 0);
2573 *timeptr
= timeval_to_Time (&now
);
2576 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2578 If the event is a button press, then note that we have grabbed
2582 term_mouse_click (struct input_event
*result
, Gpm_Event
*event
,
2588 result
->kind
= GPM_CLICK_EVENT
;
2589 for (i
= 0, j
= GPM_B_LEFT
; i
< 3; i
++, j
>>= 1 )
2591 if (event
->buttons
& j
) {
2592 result
->code
= i
; /* button number */
2596 gettimeofday(&now
, 0);
2597 result
->timestamp
= timeval_to_Time (&now
);
2599 if (event
->type
& GPM_UP
)
2600 result
->modifiers
= up_modifier
;
2601 else if (event
->type
& GPM_DOWN
)
2602 result
->modifiers
= down_modifier
;
2604 result
->modifiers
= 0;
2606 if (event
->type
& GPM_SINGLE
)
2607 result
->modifiers
|= click_modifier
;
2609 if (event
->type
& GPM_DOUBLE
)
2610 result
->modifiers
|= double_modifier
;
2612 if (event
->type
& GPM_TRIPLE
)
2613 result
->modifiers
|= triple_modifier
;
2615 if (event
->type
& GPM_DRAG
)
2616 result
->modifiers
|= drag_modifier
;
2618 if (!(event
->type
& (GPM_MOVE
| GPM_DRAG
))) {
2621 if (event
->modifiers
& (1 << 0))
2622 result
->modifiers
|= shift_modifier
;
2625 if (event
->modifiers
& (1 << 2))
2626 result
->modifiers
|= ctrl_modifier
;
2628 /* 1 << KG_ALT || KG_ALTGR */
2629 if (event
->modifiers
& (1 << 3)
2630 || event
->modifiers
& (1 << 1))
2631 result
->modifiers
|= meta_modifier
;
2634 XSETINT (result
->x
, event
->x
);
2635 XSETINT (result
->y
, event
->y
);
2636 XSETFRAME (result
->frame_or_window
, f
);
2642 handle_one_term_event (struct tty_display_info
*tty
, Gpm_Event
*event
, struct input_event
* hold_quit
)
2644 struct frame
*f
= XFRAME (tty
->top_frame
);
2645 struct input_event ie
;
2653 if (event
->type
& (GPM_MOVE
| GPM_DRAG
)) {
2654 previous_help_echo_string
= help_echo_string
;
2655 help_echo_string
= Qnil
;
2657 Gpm_DrawPointer (event
->x
, event
->y
, fileno (tty
->output
));
2659 if (!term_mouse_movement (f
, event
))
2660 help_echo_string
= previous_help_echo_string
;
2662 /* If the contents of the global variable help_echo_string
2663 has changed, generate a HELP_EVENT. */
2664 if (!NILP (help_echo_string
)
2665 || !NILP (previous_help_echo_string
))
2672 term_mouse_click (&ie
, event
, f
);
2676 if (ie
.kind
!= NO_EVENT
)
2678 kbd_buffer_store_event_hold (&ie
, hold_quit
);
2683 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
2688 XSETFRAME (frame
, f
);
2692 gen_help_event (help_echo_string
, frame
, help_echo_window
,
2693 help_echo_object
, help_echo_pos
);
2700 DEFUN ("gpm-mouse-start", Fgpm_mouse_start
, Sgpm_mouse_start
,
2702 doc
: /* Open a connection to Gpm.
2703 Gpm-mouse can only be activated for one tty at a time. */)
2706 struct frame
*f
= SELECTED_FRAME ();
2707 struct tty_display_info
*tty
2708 = ((f
)->output_method
== output_termcap
2709 ? (f
)->terminal
->display_info
.tty
: NULL
);
2710 Gpm_Connect connection
;
2713 error ("Gpm-mouse only works in the GNU/Linux console");
2715 return Qnil
; /* Already activated, nothing to do. */
2717 error ("Gpm-mouse can only be activated for one tty at a time");
2719 connection
.eventMask
= ~0;
2720 connection
.defaultMask
= ~GPM_HARD
;
2721 connection
.maxMod
= ~0;
2722 connection
.minMod
= 0;
2725 if (Gpm_Open (&connection
, 0) < 0)
2726 error ("Gpm-mouse failed to connect to the gpm daemon");
2730 /* `init_sys_modes' arranges for mouse movements sent through gpm_fd
2731 to generate SIGIOs. Apparently we need to call reset_sys_modes
2732 before calling init_sys_modes. */
2733 reset_sys_modes (tty
);
2734 init_sys_modes (tty
);
2735 add_gpm_wait_descriptor (gpm_fd
);
2744 delete_gpm_wait_descriptor (fd
);
2745 while (Gpm_Close()); /* close all the stack */
2749 DEFUN ("gpm-mouse-stop", Fgpm_mouse_stop
, Sgpm_mouse_stop
,
2751 doc
: /* Close a connection to Gpm. */)
2754 struct frame
*f
= SELECTED_FRAME ();
2755 struct tty_display_info
*tty
2756 = ((f
)->output_method
== output_termcap
2757 ? (f
)->terminal
->display_info
.tty
: NULL
);
2759 if (!tty
|| gpm_tty
!= tty
)
2760 return Qnil
; /* Not activated on this terminal, nothing to do. */
2765 #endif /* HAVE_GPM */
2768 /***********************************************************************
2770 ***********************************************************************/
2772 #if defined (HAVE_MENUS) && !defined (MSDOS)
2774 /* TTY menu implementation and main ideas are borrowed from msdos.c.
2776 However, unlike on MSDOS, where the menu text is drawn directly to
2777 the display video memory, on a TTY we use display_string (see
2778 display_tty_menu_item in xdisp.c) to put the glyphs produced from
2779 the menu items directly into the frame's 'desired_matrix' glyph
2780 matrix, and then call update_frame_with_menu to deliver the results
2781 to the glass. The previous contents of the screen, in the form of
2782 the current_matrix, is stashed away, and used to restore screen
2783 contents when the menu selection changes or when the final
2784 selection is made and the menu should be popped down.
2786 The idea of this implementation was suggested by Gerd Moellmann. */
2788 #define TTYM_FAILURE -1
2789 #define TTYM_SUCCESS 1
2790 #define TTYM_NO_SELECT 2
2791 #define TTYM_IA_SELECT 3
2793 /* These hold text of the current and the previous menu help messages. */
2794 static const char *menu_help_message
, *prev_menu_help_message
;
2795 /* Pane number and item number of the menu item which generated the
2796 last menu help message. */
2797 static int menu_help_paneno
, menu_help_itemno
;
2799 static Lisp_Object Qtty_menu_navigation_map
, Qtty_menu_exit
;
2800 static Lisp_Object Qtty_menu_prev_item
, Qtty_menu_next_item
;
2801 static Lisp_Object Qtty_menu_next_menu
, Qtty_menu_prev_menu
;
2802 static Lisp_Object Qtty_menu_select
, Qtty_menu_ignore
;
2803 static Lisp_Object Qtty_menu_mouse_movement
;
2805 typedef struct tty_menu_struct
2809 struct tty_menu_struct
**submenu
;
2810 int *panenumber
; /* Also used as enabled flag. */
2814 const char **help_text
;
2817 /* Create a brand new menu structure. */
2820 tty_menu_create (void)
2824 menu
= (tty_menu
*) xmalloc (sizeof (tty_menu
));
2825 menu
->allocated
= menu
->count
= menu
->panecount
= menu
->width
= 0;
2829 /* Allocate some (more) memory for MENU ensuring that there is room for one
2833 tty_menu_make_room (tty_menu
*menu
)
2835 if (menu
->allocated
== 0)
2837 int count
= menu
->allocated
= 10;
2838 menu
->text
= (char **) xmalloc (count
* sizeof (char *));
2839 menu
->submenu
= (tty_menu
**) xmalloc (count
* sizeof (tty_menu
*));
2840 menu
->panenumber
= (int *) xmalloc (count
* sizeof (int));
2841 menu
->help_text
= (const char **) xmalloc (count
* sizeof (char *));
2843 else if (menu
->allocated
== menu
->count
)
2845 int count
= menu
->allocated
= menu
->allocated
+ 10;
2847 = (char **) xrealloc (menu
->text
, count
* sizeof (char *));
2849 = (tty_menu
**) xrealloc (menu
->submenu
, count
* sizeof (tty_menu
*));
2851 = (int *) xrealloc (menu
->panenumber
, count
* sizeof (int));
2853 = (const char **) xrealloc (menu
->help_text
, count
* sizeof (char *));
2857 /* Search the given menu structure for a given pane number. */
2860 tty_menu_search_pane (tty_menu
*menu
, int pane
)
2865 for (i
= 0; i
< menu
->count
; i
++)
2866 if (menu
->submenu
[i
])
2868 if (pane
== menu
->panenumber
[i
])
2869 return menu
->submenu
[i
];
2870 if ((try = tty_menu_search_pane (menu
->submenu
[i
], pane
)))
2873 return (tty_menu
*) 0;
2876 /* Determine how much screen space a given menu needs. */
2879 tty_menu_calc_size (tty_menu
*menu
, int *width
, int *height
)
2881 int i
, h2
, w2
, maxsubwidth
, maxheight
;
2883 maxsubwidth
= menu
->width
;
2884 maxheight
= menu
->count
;
2885 for (i
= 0; i
< menu
->count
; i
++)
2887 if (menu
->submenu
[i
])
2889 tty_menu_calc_size (menu
->submenu
[i
], &w2
, &h2
);
2890 if (w2
> maxsubwidth
) maxsubwidth
= w2
;
2891 if (i
+ h2
> maxheight
) maxheight
= i
+ h2
;
2894 *width
= maxsubwidth
;
2895 *height
= maxheight
;
2899 mouse_get_xy (int *x
, int *y
)
2901 struct frame
*sf
= SELECTED_FRAME ();
2902 Lisp_Object lmx
= Qnil
, lmy
= Qnil
, lisp_dummy
;
2903 enum scroll_bar_part part_dummy
;
2906 if (FRAME_TERMINAL (sf
)->mouse_position_hook
)
2907 (*FRAME_TERMINAL (sf
)->mouse_position_hook
) (&sf
, -1,
2908 &lisp_dummy
, &part_dummy
,
2918 /* Display MENU at (X,Y) using FACES. */
2921 tty_menu_display (tty_menu
*menu
, int x
, int y
, int pn
, int *faces
,
2922 int mx
, int my
, int disp_help
)
2924 int i
, face
, width
, enabled
, mousehere
, row
, col
;
2925 struct frame
*sf
= SELECTED_FRAME ();
2926 struct tty_display_info
*tty
= FRAME_TTY (sf
);
2928 menu_help_message
= NULL
;
2930 width
= menu
->width
;
2931 col
= cursorX (tty
);
2932 row
= cursorY (tty
);
2933 for (i
= 0; i
< menu
->count
; i
++)
2935 int max_width
= width
+ 2; /* +2 for padding blanks on each side */
2937 cursor_to (sf
, y
+ i
, x
);
2938 if (menu
->submenu
[i
])
2939 max_width
+= 2; /* for displaying " >" after the item */
2941 = (!menu
->submenu
[i
] && menu
->panenumber
[i
]) || (menu
->submenu
[i
]);
2942 mousehere
= (y
+ i
== my
&& x
<= mx
&& mx
< x
+ max_width
);
2943 face
= faces
[enabled
+ mousehere
* 2];
2944 /* Display the menu help string for the i-th menu item even if
2945 the menu item is currently disabled. That's what the GUI
2947 if (disp_help
&& enabled
+ mousehere
* 2 >= 2)
2949 menu_help_message
= menu
->help_text
[i
];
2950 menu_help_paneno
= pn
- 1;
2951 menu_help_itemno
= i
;
2953 display_tty_menu_item (menu
->text
[i
], max_width
, face
, x
, y
+ i
,
2954 menu
->submenu
[i
] != NULL
);
2956 update_frame_with_menu (sf
);
2957 cursor_to (sf
, row
, col
);
2960 /* --------------------------- X Menu emulation ---------------------- */
2962 /* Report availability of menus. */
2965 have_menus_p (void) { return 1; }
2967 /* Create a new pane and place it on the outer-most level. */
2970 tty_menu_add_pane (tty_menu
*menu
, const char *txt
)
2975 tty_menu_make_room (menu
);
2976 menu
->submenu
[menu
->count
] = tty_menu_create ();
2977 menu
->text
[menu
->count
] = (char *)txt
;
2978 menu
->panenumber
[menu
->count
] = ++menu
->panecount
;
2979 menu
->help_text
[menu
->count
] = NULL
;
2982 /* Update the menu width, if necessary. */
2983 for (len
= 0, p
= txt
; *p
; )
2986 int ch
= STRING_CHAR_AND_LENGTH (p
, ch_len
);
2988 len
+= CHAR_WIDTH (ch
);
2992 if (len
> menu
->width
)
2995 return menu
->panecount
;
2998 /* Create a new item in a menu pane. */
3001 tty_menu_add_selection (tty_menu
*menu
, int pane
,
3002 char *txt
, int enable
, char const *help_text
)
3008 if (!(menu
= tty_menu_search_pane (menu
, pane
)))
3009 return TTYM_FAILURE
;
3010 tty_menu_make_room (menu
);
3011 menu
->submenu
[menu
->count
] = (tty_menu
*) 0;
3012 menu
->text
[menu
->count
] = txt
;
3013 menu
->panenumber
[menu
->count
] = enable
;
3014 menu
->help_text
[menu
->count
] = help_text
;
3017 /* Update the menu width, if necessary. */
3018 for (len
= 0, p
= txt
; *p
; )
3021 int ch
= STRING_CHAR_AND_LENGTH (p
, ch_len
);
3023 len
+= CHAR_WIDTH (ch
);
3027 if (len
> menu
->width
)
3030 return TTYM_SUCCESS
;
3033 /* Decide where the menu would be placed if requested at (X,Y). */
3036 tty_menu_locate (tty_menu
*menu
, int x
, int y
,
3037 int *ulx
, int *uly
, int *width
, int *height
)
3039 tty_menu_calc_size (menu
, width
, height
);
3045 struct tty_menu_state
3047 struct glyph_matrix
*screen_behind
;
3053 /* Save away the contents of frame F's current frame matrix, and
3054 enable all its rows. Value is a glyph matrix holding the contents
3055 of F's current frame matrix with all its glyph rows enabled. */
3057 struct glyph_matrix
*
3058 save_and_enable_current_matrix (struct frame
*f
)
3061 struct glyph_matrix
*saved
= xzalloc (sizeof *saved
);
3062 saved
->nrows
= f
->current_matrix
->nrows
;
3063 saved
->rows
= xzalloc (saved
->nrows
* sizeof *saved
->rows
);
3065 for (i
= 0; i
< saved
->nrows
; ++i
)
3067 struct glyph_row
*from
= f
->current_matrix
->rows
+ i
;
3068 struct glyph_row
*to
= saved
->rows
+ i
;
3069 ptrdiff_t nbytes
= from
->used
[TEXT_AREA
] * sizeof (struct glyph
);
3071 to
->glyphs
[TEXT_AREA
] = xmalloc (nbytes
);
3072 memcpy (to
->glyphs
[TEXT_AREA
], from
->glyphs
[TEXT_AREA
], nbytes
);
3073 to
->used
[TEXT_AREA
] = from
->used
[TEXT_AREA
];
3074 /* Make sure every row is enabled, or else update_frame will not
3075 redraw them. (Rows that are identical to what is already on
3076 screen will not be redrawn anyway.) */
3078 to
->hash
= from
->hash
;
3079 if (from
->used
[LEFT_MARGIN_AREA
])
3081 nbytes
= from
->used
[LEFT_MARGIN_AREA
] * sizeof (struct glyph
);
3082 to
->glyphs
[LEFT_MARGIN_AREA
] = (struct glyph
*) xmalloc (nbytes
);
3083 memcpy (to
->glyphs
[LEFT_MARGIN_AREA
],
3084 from
->glyphs
[LEFT_MARGIN_AREA
], nbytes
);
3085 to
->used
[LEFT_MARGIN_AREA
] = from
->used
[LEFT_MARGIN_AREA
];
3087 if (from
->used
[RIGHT_MARGIN_AREA
])
3089 nbytes
= from
->used
[RIGHT_MARGIN_AREA
] * sizeof (struct glyph
);
3090 to
->glyphs
[RIGHT_MARGIN_AREA
] = (struct glyph
*) xmalloc (nbytes
);
3091 memcpy (to
->glyphs
[RIGHT_MARGIN_AREA
],
3092 from
->glyphs
[RIGHT_MARGIN_AREA
], nbytes
);
3093 to
->used
[RIGHT_MARGIN_AREA
] = from
->used
[RIGHT_MARGIN_AREA
];
3100 /* Restore the contents of frame F's desired frame matrix from SAVED,
3101 and free memory associated with SAVED. */
3104 restore_desired_matrix (struct frame
*f
, struct glyph_matrix
*saved
)
3108 for (i
= 0; i
< saved
->nrows
; ++i
)
3110 struct glyph_row
*from
= saved
->rows
+ i
;
3111 struct glyph_row
*to
= f
->desired_matrix
->rows
+ i
;
3112 ptrdiff_t nbytes
= from
->used
[TEXT_AREA
] * sizeof (struct glyph
);
3114 eassert (to
->glyphs
[TEXT_AREA
] != from
->glyphs
[TEXT_AREA
]);
3115 memcpy (to
->glyphs
[TEXT_AREA
], from
->glyphs
[TEXT_AREA
], nbytes
);
3116 to
->used
[TEXT_AREA
] = from
->used
[TEXT_AREA
];
3117 to
->enabled_p
= from
->enabled_p
;
3118 to
->hash
= from
->hash
;
3119 nbytes
= from
->used
[LEFT_MARGIN_AREA
] * sizeof (struct glyph
);
3122 eassert (to
->glyphs
[LEFT_MARGIN_AREA
] != from
->glyphs
[LEFT_MARGIN_AREA
]);
3123 memcpy (to
->glyphs
[LEFT_MARGIN_AREA
],
3124 from
->glyphs
[LEFT_MARGIN_AREA
], nbytes
);
3125 to
->used
[LEFT_MARGIN_AREA
] = from
->used
[LEFT_MARGIN_AREA
];
3128 to
->used
[LEFT_MARGIN_AREA
] = 0;
3129 nbytes
= from
->used
[RIGHT_MARGIN_AREA
] * sizeof (struct glyph
);
3132 eassert (to
->glyphs
[RIGHT_MARGIN_AREA
] != from
->glyphs
[RIGHT_MARGIN_AREA
]);
3133 memcpy (to
->glyphs
[RIGHT_MARGIN_AREA
],
3134 from
->glyphs
[RIGHT_MARGIN_AREA
], nbytes
);
3135 to
->used
[RIGHT_MARGIN_AREA
] = from
->used
[RIGHT_MARGIN_AREA
];
3138 to
->used
[RIGHT_MARGIN_AREA
] = 0;
3143 free_saved_screen (struct glyph_matrix
*saved
)
3148 return; /* already freed */
3150 for (i
= 0; i
< saved
->nrows
; ++i
)
3152 struct glyph_row
*from
= saved
->rows
+ i
;
3154 xfree (from
->glyphs
[TEXT_AREA
]);
3155 if (from
->used
[LEFT_MARGIN_AREA
])
3156 xfree (from
->glyphs
[LEFT_MARGIN_AREA
]);
3157 if (from
->used
[RIGHT_MARGIN_AREA
])
3158 xfree (from
->glyphs
[RIGHT_MARGIN_AREA
]);
3161 xfree (saved
->rows
);
3165 /* Update the display of frame F from its saved contents. */
3167 screen_update (struct frame
*f
, struct glyph_matrix
*mtx
)
3169 restore_desired_matrix (f
, mtx
);
3170 update_frame_with_menu (f
);
3173 /* Read user input and return X and Y coordinates where that input
3174 puts us. We only consider mouse movement and click events and
3175 keyboard movement commands; the rest are ignored.
3177 Value is -1 if C-g was pressed, 1 if an item was selected, zero
3180 read_menu_input (struct frame
*sf
, int *x
, int *y
, int min_y
, int max_y
,
3185 *first_time
= false;
3186 sf
->mouse_moved
= 1;
3193 extern Lisp_Object
read_menu_command (void);
3195 int usable_input
= 1;
3197 struct tty_display_info
*tty
= FRAME_TTY (sf
);
3198 Lisp_Object saved_mouse_tracking
= do_mouse_tracking
;
3200 /* Signal the keyboard reading routines we are displaying a menu
3201 on this terminal. */
3202 tty
->showing_menu
= 1;
3203 /* We want mouse movements be reported by read_menu_command. */
3204 do_mouse_tracking
= Qt
;
3206 cmd
= read_menu_command ();
3207 } while (NILP (cmd
));
3208 tty
->showing_menu
= 0;
3209 do_mouse_tracking
= saved_mouse_tracking
;
3211 if (EQ (cmd
, Qt
) || EQ (cmd
, Qtty_menu_exit
))
3213 if (EQ (cmd
, Qtty_menu_mouse_movement
))
3217 mouse_get_xy (&mx
, &my
);
3221 else if (EQ (cmd
, Qtty_menu_next_menu
))
3223 else if (EQ (cmd
, Qtty_menu_prev_menu
))
3225 else if (EQ (cmd
, Qtty_menu_next_item
))
3230 else if (EQ (cmd
, Qtty_menu_prev_item
))
3235 else if (EQ (cmd
, Qtty_menu_select
))
3237 else if (!EQ (cmd
, Qtty_menu_ignore
))
3240 sf
->mouse_moved
= 1;
3242 int volatile dx
= 0;
3243 int volatile dy
= 0;
3244 int volatile st
= 0;
3248 if (dx
!= 0 || dy
!= 0)
3249 sf
->mouse_moved
= 1;
3257 /* Display menu, wait for user's response, and return that response. */
3259 tty_menu_activate (tty_menu
*menu
, int *pane
, int *selidx
,
3260 int x0
, int y0
, char **txt
,
3261 void (*help_callback
)(char const *, int, int))
3263 struct tty_menu_state
*state
;
3264 int statecount
, x
, y
, i
, b
, leave
, result
, onepane
;
3265 int title_faces
[4]; /* face to display the menu title */
3266 int faces
[4], buffers_num_deleted
= 0;
3267 struct frame
*sf
= SELECTED_FRAME ();
3268 struct tty_display_info
*tty
= FRAME_TTY (sf
);
3270 Lisp_Object saved_echo_area_message
, selectface
;
3272 /* Don't allow non-positive x0 and y0, lest the menu will wrap
3273 around the display. */
3279 state
= alloca (menu
->panecount
* sizeof (struct tty_menu_state
));
3280 memset (state
, 0, sizeof (*state
));
3282 = lookup_derived_face (sf
, intern ("tty-menu-disabled-face"),
3283 DEFAULT_FACE_ID
, 1);
3285 = lookup_derived_face (sf
, intern ("tty-menu-enabled-face"),
3286 DEFAULT_FACE_ID
, 1);
3287 selectface
= intern ("tty-menu-selected-face");
3288 faces
[2] = lookup_derived_face (sf
, selectface
,
3290 faces
[3] = lookup_derived_face (sf
, selectface
,
3293 /* Make sure the menu title is always displayed with
3294 `tty-menu-selected-face', no matter where the mouse pointer is. */
3295 for (i
= 0; i
< 4; i
++)
3296 title_faces
[i
] = faces
[3];
3300 /* Don't let the title for the "Buffers" popup menu include a
3301 digit (which is ugly).
3303 This is a terrible kludge, but I think the "Buffers" case is
3304 the only one where the title includes a number, so it doesn't
3305 seem to be necessary to make this more general. */
3306 if (strncmp (menu
->text
[0], "Buffers 1", 9) == 0)
3308 menu
->text
[0][7] = '\0';
3309 buffers_num_deleted
= 1;
3312 /* Force update of the current frame, so that the desired and the
3313 current matrices are identical. */
3314 update_frame_with_menu (sf
);
3315 state
[0].menu
= menu
;
3316 state
[0].screen_behind
= save_and_enable_current_matrix (sf
);
3318 /* Display the menu title. We subtract 1 from x0 and y0 because we
3319 want to interpret them as zero-based column and row coordinates,
3320 and also because we want the first item of the menu, not its
3321 title, to appear at x0,y0. */
3322 tty_menu_display (menu
, x0
- 1, y0
- 1, 1, title_faces
, x0
- 1, y0
- 1, 0);
3324 /* Turn off the cursor. Otherwise it shows through the menu
3325 panes, which is ugly. */
3326 tty_hide_cursor (tty
);
3327 if (buffers_num_deleted
)
3328 menu
->text
[0][7] = ' ';
3329 if ((onepane
= menu
->count
== 1 && menu
->submenu
[0]))
3331 menu
->width
= menu
->submenu
[0]->width
;
3332 state
[0].menu
= menu
->submenu
[0];
3336 state
[0].menu
= menu
;
3338 state
[0].x
= x0
- 1;
3340 state
[0].pane
= onepane
;
3349 int mouse_button_count
= 3; /* FIXME */
3351 int min_y
= state
[0].y
, max_y
= min_y
+ state
[0].menu
->count
- 1;
3353 input_status
= read_menu_input (sf
, &x
, &y
, min_y
, max_y
, &first_time
);
3356 if (input_status
== -1)
3358 /* Remove the last help-echo, so that it doesn't
3359 re-appear after "Quit". */
3360 show_help_echo (Qnil
, Qnil
, Qnil
, Qnil
);
3361 result
= TTYM_NO_SELECT
;
3365 if (sf
->mouse_moved
&& input_status
!= -1)
3367 sf
->mouse_moved
= 0;
3368 result
= TTYM_IA_SELECT
;
3369 for (i
= 0; i
< statecount
; i
++)
3370 if (state
[i
].x
<= x
&& x
< state
[i
].x
+ state
[i
].menu
->width
+ 2)
3372 int dy
= y
- state
[i
].y
;
3373 if (0 <= dy
&& dy
< state
[i
].menu
->count
)
3375 if (!state
[i
].menu
->submenu
[dy
])
3377 if (state
[i
].menu
->panenumber
[dy
])
3378 result
= TTYM_SUCCESS
;
3380 result
= TTYM_IA_SELECT
;
3382 *pane
= state
[i
].pane
- 1;
3384 /* We hit some part of a menu, so drop extra menus that
3385 have been opened. That does not include an open and
3387 if (i
!= statecount
- 2
3388 || state
[i
].menu
->submenu
[dy
] != state
[i
+1].menu
)
3389 while (i
!= statecount
- 1)
3392 screen_update (sf
, state
[statecount
].screen_behind
);
3393 state
[statecount
].screen_behind
= NULL
;
3395 if (i
== statecount
- 1 && state
[i
].menu
->submenu
[dy
])
3397 tty_menu_display (state
[i
].menu
,
3402 state
[statecount
].menu
= state
[i
].menu
->submenu
[dy
];
3403 state
[statecount
].pane
= state
[i
].menu
->panenumber
[dy
];
3404 state
[statecount
].screen_behind
3405 = save_and_enable_current_matrix (sf
);
3407 = state
[i
].x
+ state
[i
].menu
->width
+ 2;
3408 state
[statecount
].y
= y
;
3413 tty_menu_display (state
[statecount
- 1].menu
,
3414 state
[statecount
- 1].x
,
3415 state
[statecount
- 1].y
,
3416 state
[statecount
- 1].pane
,
3418 tty_hide_cursor (tty
);
3419 fflush (tty
->output
);
3422 /* Display the help-echo message for the currently-selected menu
3424 if ((menu_help_message
|| prev_menu_help_message
)
3425 && menu_help_message
!= prev_menu_help_message
)
3427 help_callback (menu_help_message
,
3428 menu_help_paneno
, menu_help_itemno
);
3429 tty_hide_cursor (tty
);
3430 fflush (tty
->output
);
3431 prev_menu_help_message
= menu_help_message
;
3435 sf
->mouse_moved
= 0;
3436 /* FIXME: Since we set the fram's garbaged flag, do we need this
3437 call to screen_update? */
3438 screen_update (sf
, state
[0].screen_behind
);
3439 while (statecount
--)
3440 free_saved_screen (state
[statecount
].screen_behind
);
3441 tty_show_cursor (tty
); /* turn cursor back on */
3443 /* Clean up any mouse events that are waiting inside Emacs event queue.
3444 These events are likely to be generated before the menu was even
3445 displayed, probably because the user pressed and released the button
3446 (which invoked the menu) too quickly. If we don't remove these events,
3447 Emacs will process them after we return and surprise the user. */
3448 discard_mouse_events ();
3449 if (!kbd_buffer_events_waiting ())
3450 clear_input_pending ();
3451 SET_FRAME_GARBAGED (sf
);
3455 /* Dispose of a menu. */
3458 tty_menu_destroy (tty_menu
*menu
)
3461 if (menu
->allocated
)
3463 for (i
= 0; i
< menu
->count
; i
++)
3464 if (menu
->submenu
[i
])
3465 tty_menu_destroy (menu
->submenu
[i
]);
3467 xfree (menu
->submenu
);
3468 xfree (menu
->panenumber
);
3469 xfree (menu
->help_text
);
3472 menu_help_message
= prev_menu_help_message
= NULL
;
3475 /* Show help HELP_STRING, or clear help if HELP_STRING is null.
3477 PANE is the pane number, and ITEM is the menu item number in
3478 the menu (currently not used). */
3481 tty_menu_help_callback (char const *help_string
, int pane
, int item
)
3483 Lisp_Object
*first_item
;
3484 Lisp_Object pane_name
;
3485 Lisp_Object menu_object
;
3487 first_item
= XVECTOR (menu_items
)->u
.contents
;
3488 if (EQ (first_item
[0], Qt
))
3489 pane_name
= first_item
[MENU_ITEMS_PANE_NAME
];
3490 else if (EQ (first_item
[0], Qquote
))
3491 /* This shouldn't happen, see xmenu_show. */
3492 pane_name
= empty_unibyte_string
;
3494 pane_name
= first_item
[MENU_ITEMS_ITEM_NAME
];
3496 /* (menu-item MENU-NAME PANE-NUMBER) */
3497 menu_object
= list3 (Qmenu_item
, pane_name
, make_number (pane
));
3498 show_help_echo (help_string
? build_string (help_string
) : Qnil
,
3499 Qnil
, menu_object
, make_number (item
));
3503 tty_pop_down_menu (Lisp_Object arg
)
3505 tty_menu
*menu
= XSAVE_POINTER (arg
, 0);
3508 tty_menu_destroy (menu
);
3513 tty_menu_show (struct frame
*f
, int x
, int y
, int for_click
, int keymaps
,
3514 Lisp_Object title
, const char **error_name
)
3517 int pane
, selidx
, lpane
, status
;
3518 Lisp_Object entry
, pane_prefix
;
3520 int ulx
, uly
, width
, height
;
3521 int dispwidth
, dispheight
;
3522 int i
, j
, lines
, maxlines
;
3525 unsigned int dummy_uint
;
3526 ptrdiff_t specpdl_count
= SPECPDL_INDEX ();
3528 if (! FRAME_TERMCAP_P (f
))
3532 if (menu_items_n_panes
== 0)
3535 if (menu_items_used
<= MENU_ITEMS_PANE_LENGTH
)
3537 *error_name
= "Empty menu";
3541 /* Make the menu on that window. */
3542 menu
= tty_menu_create ();
3545 *error_name
= "Can't create menu";
3549 /* Don't GC while we prepare and show the menu, because we give the
3550 menu functions pointers to the contents of strings. */
3551 inhibit_garbage_collection ();
3553 /* Adjust coordinates to be root-window-relative. */
3557 /* Create all the necessary panes and their items. */
3558 maxwidth
= maxlines
= lines
= i
= 0;
3559 lpane
= TTYM_FAILURE
;
3560 while (i
< menu_items_used
)
3562 if (EQ (AREF (menu_items
, i
), Qt
))
3564 /* Create a new pane. */
3565 Lisp_Object pane_name
, prefix
;
3566 const char *pane_string
;
3568 maxlines
= max (maxlines
, lines
);
3570 pane_name
= AREF (menu_items
, i
+ MENU_ITEMS_PANE_NAME
);
3571 prefix
= AREF (menu_items
, i
+ MENU_ITEMS_PANE_PREFIX
);
3572 pane_string
= (NILP (pane_name
)
3573 ? "" : SSDATA (pane_name
));
3574 if (keymaps
&& !NILP (prefix
))
3577 lpane
= tty_menu_add_pane (menu
, pane_string
);
3578 if (lpane
== TTYM_FAILURE
)
3580 tty_menu_destroy (menu
);
3581 *error_name
= "Can't create pane";
3584 i
+= MENU_ITEMS_PANE_LENGTH
;
3586 /* Find the width of the widest item in this pane. */
3588 while (j
< menu_items_used
)
3591 item
= AREF (menu_items
, j
);
3599 width
= SBYTES (item
);
3600 if (width
> maxwidth
)
3603 j
+= MENU_ITEMS_ITEM_LENGTH
;
3606 /* Ignore a nil in the item list.
3607 It's meaningful only for dialog boxes. */
3608 else if (EQ (AREF (menu_items
, i
), Qquote
))
3612 /* Create a new item within current pane. */
3613 Lisp_Object item_name
, enable
, descrip
, help
;
3615 char const *help_string
;
3617 item_name
= AREF (menu_items
, i
+ MENU_ITEMS_ITEM_NAME
);
3618 enable
= AREF (menu_items
, i
+ MENU_ITEMS_ITEM_ENABLE
);
3619 descrip
= AREF (menu_items
, i
+ MENU_ITEMS_ITEM_EQUIV_KEY
);
3620 help
= AREF (menu_items
, i
+ MENU_ITEMS_ITEM_HELP
);
3621 help_string
= STRINGP (help
) ? SSDATA (help
) : NULL
;
3623 if (!NILP (descrip
))
3625 /* if alloca is fast, use that to make the space,
3626 to reduce gc needs. */
3627 item_data
= (char *) alloca (maxwidth
+ SBYTES (descrip
) + 1);
3628 memcpy (item_data
, SSDATA (item_name
), SBYTES (item_name
));
3629 for (j
= SCHARS (item_name
); j
< maxwidth
; j
++)
3631 memcpy (item_data
+ j
, SSDATA (descrip
), SBYTES (descrip
));
3632 item_data
[j
+ SBYTES (descrip
)] = 0;
3635 item_data
= SSDATA (item_name
);
3637 if (lpane
== TTYM_FAILURE
3638 || (tty_menu_add_selection (menu
, lpane
, item_data
,
3639 !NILP (enable
), help_string
)
3642 tty_menu_destroy (menu
);
3643 *error_name
= "Can't add selection to menu";
3646 i
+= MENU_ITEMS_ITEM_LENGTH
;
3651 maxlines
= max (maxlines
, lines
);
3653 /* All set and ready to fly. */
3654 dispwidth
= f
->text_cols
;
3655 dispheight
= f
->text_lines
;
3656 x
= min (x
, dispwidth
);
3657 y
= min (y
, dispheight
);
3660 tty_menu_locate (menu
, x
, y
, &ulx
, &uly
, &width
, &height
);
3661 if (ulx
+width
> dispwidth
)
3663 x
-= (ulx
+ width
) - dispwidth
;
3664 ulx
= dispwidth
- width
;
3666 if (uly
+height
> dispheight
)
3668 y
-= (uly
+ height
) - dispheight
;
3669 uly
= dispheight
- height
;
3672 if (FRAME_HAS_MINIBUF_P (f
) && uly
+height
> dispheight
- 2)
3674 /* Move the menu away of the echo area, to avoid overwriting the
3675 menu with help echo messages or vice versa. */
3676 if (BUFFERP (echo_area_buffer
[0]) && WINDOWP (echo_area_window
))
3678 y
-= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window
)) + 1;
3679 uly
-= WINDOW_TOTAL_LINES (XWINDOW (echo_area_window
)) + 1;
3688 if (ulx
< 0) x
-= ulx
;
3689 if (uly
< 0) y
-= uly
;
3692 /* This code doesn't make sense on a TTY, since it can easily annul
3693 the adjustments above that carefully avoid truncation of the menu
3694 items. I think it was written to fix some problem that only
3698 /* If position was not given by a mouse click, adjust so upper left
3699 corner of the menu as a whole ends up at given coordinates. This
3700 is what x-popup-menu says in its documentation. */
3702 y
+= 1.5*height
/(maxlines
+2);
3708 record_unwind_protect (tty_pop_down_menu
, make_save_ptr (menu
));
3710 specbind (Qoverriding_terminal_local_map
,
3711 Fsymbol_value (Qtty_menu_navigation_map
));
3712 status
= tty_menu_activate (menu
, &pane
, &selidx
, x
, y
, &datap
,
3713 tty_menu_help_callback
);
3714 entry
= pane_prefix
= Qnil
;
3719 /* Find the item number SELIDX in pane number PANE. */
3721 while (i
< menu_items_used
)
3723 if (EQ (AREF (menu_items
, i
), Qt
))
3727 = AREF (menu_items
, i
+ MENU_ITEMS_PANE_PREFIX
);
3729 i
+= MENU_ITEMS_PANE_LENGTH
;
3738 = AREF (menu_items
, i
+ MENU_ITEMS_ITEM_VALUE
);
3741 entry
= Fcons (entry
, Qnil
);
3742 if (!NILP (pane_prefix
))
3743 entry
= Fcons (pane_prefix
, entry
);
3749 i
+= MENU_ITEMS_ITEM_LENGTH
;
3755 *error_name
= "Can't activate menu";
3756 case TTYM_IA_SELECT
:
3758 case TTYM_NO_SELECT
:
3759 /* Make "Cancel" equivalent to C-g unless FOR_CLICK (which means
3760 the menu was invoked with a mouse event as POSITION). */
3762 Fsignal (Qquit
, Qnil
);
3766 unbind_to (specpdl_count
, Qnil
);
3771 #endif /* HAVE_MENUS && !MSDOS */
3775 /***********************************************************************
3777 ***********************************************************************/
3779 /* Initialize the tty-dependent part of frame F. The frame must
3780 already have its device initialized. */
3783 create_tty_output (struct frame
*f
)
3785 struct tty_output
*t
= xzalloc (sizeof *t
);
3787 eassert (FRAME_TERMCAP_P (f
));
3789 t
->display_info
= FRAME_TERMINAL (f
)->display_info
.tty
;
3791 f
->output_data
.tty
= t
;
3794 /* Delete frame F's face cache, and its tty-dependent part. */
3797 tty_free_frame_resources (struct frame
*f
)
3799 eassert (FRAME_TERMCAP_P (f
));
3801 if (FRAME_FACE_CACHE (f
))
3802 free_frame_faces (f
);
3804 xfree (f
->output_data
.tty
);
3809 /* Delete frame F's face cache. */
3812 tty_free_frame_resources (struct frame
*f
)
3814 eassert (FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
));
3816 if (FRAME_FACE_CACHE (f
))
3817 free_frame_faces (f
);
3821 /* Reset the hooks in TERMINAL. */
3824 clear_tty_hooks (struct terminal
*terminal
)
3827 terminal
->cursor_to_hook
= 0;
3828 terminal
->raw_cursor_to_hook
= 0;
3829 terminal
->clear_to_end_hook
= 0;
3830 terminal
->clear_frame_hook
= 0;
3831 terminal
->clear_end_of_line_hook
= 0;
3832 terminal
->ins_del_lines_hook
= 0;
3833 terminal
->insert_glyphs_hook
= 0;
3834 terminal
->write_glyphs_hook
= 0;
3835 terminal
->delete_glyphs_hook
= 0;
3836 terminal
->ring_bell_hook
= 0;
3837 terminal
->reset_terminal_modes_hook
= 0;
3838 terminal
->set_terminal_modes_hook
= 0;
3839 terminal
->update_begin_hook
= 0;
3840 terminal
->update_end_hook
= 0;
3841 terminal
->set_terminal_window_hook
= 0;
3842 terminal
->mouse_position_hook
= 0;
3843 terminal
->frame_rehighlight_hook
= 0;
3844 terminal
->frame_raise_lower_hook
= 0;
3845 terminal
->fullscreen_hook
= 0;
3846 terminal
->set_vertical_scroll_bar_hook
= 0;
3847 terminal
->condemn_scroll_bars_hook
= 0;
3848 terminal
->redeem_scroll_bar_hook
= 0;
3849 terminal
->judge_scroll_bars_hook
= 0;
3850 terminal
->read_socket_hook
= 0;
3851 terminal
->frame_up_to_date_hook
= 0;
3853 /* Leave these two set, or suspended frames are not deleted
3855 terminal
->delete_frame_hook
= &tty_free_frame_resources
;
3856 terminal
->delete_terminal_hook
= &delete_tty
;
3859 /* Initialize hooks in TERMINAL with the values needed for a tty. */
3862 set_tty_hooks (struct terminal
*terminal
)
3864 terminal
->rif
= 0; /* ttys don't support window-based redisplay. */
3866 terminal
->cursor_to_hook
= &tty_cursor_to
;
3867 terminal
->raw_cursor_to_hook
= &tty_raw_cursor_to
;
3869 terminal
->clear_to_end_hook
= &tty_clear_to_end
;
3870 terminal
->clear_frame_hook
= &tty_clear_frame
;
3871 terminal
->clear_end_of_line_hook
= &tty_clear_end_of_line
;
3873 terminal
->ins_del_lines_hook
= &tty_ins_del_lines
;
3875 terminal
->insert_glyphs_hook
= &tty_insert_glyphs
;
3876 terminal
->write_glyphs_hook
= &tty_write_glyphs
;
3877 terminal
->delete_glyphs_hook
= &tty_delete_glyphs
;
3879 terminal
->ring_bell_hook
= &tty_ring_bell
;
3881 terminal
->reset_terminal_modes_hook
= &tty_reset_terminal_modes
;
3882 terminal
->set_terminal_modes_hook
= &tty_set_terminal_modes
;
3883 terminal
->update_begin_hook
= 0; /* Not needed. */
3884 terminal
->update_end_hook
= &tty_update_end
;
3885 terminal
->set_terminal_window_hook
= &tty_set_terminal_window
;
3887 terminal
->mouse_position_hook
= 0; /* Not needed. */
3888 terminal
->frame_rehighlight_hook
= 0; /* Not needed. */
3889 terminal
->frame_raise_lower_hook
= 0; /* Not needed. */
3891 terminal
->set_vertical_scroll_bar_hook
= 0; /* Not needed. */
3892 terminal
->condemn_scroll_bars_hook
= 0; /* Not needed. */
3893 terminal
->redeem_scroll_bar_hook
= 0; /* Not needed. */
3894 terminal
->judge_scroll_bars_hook
= 0; /* Not needed. */
3896 terminal
->read_socket_hook
= &tty_read_avail_input
; /* keyboard.c */
3897 terminal
->frame_up_to_date_hook
= 0; /* Not needed. */
3899 terminal
->delete_frame_hook
= &tty_free_frame_resources
;
3900 terminal
->delete_terminal_hook
= &delete_tty
;
3903 /* If FD is the controlling terminal, drop it. */
3905 dissociate_if_controlling_tty (int fd
)
3907 /* If tcgetpgrp succeeds, fd is the controlling terminal,
3908 so dissociate it by invoking setsid. */
3909 if (tcgetpgrp (fd
) >= 0 && setsid () < 0)
3912 /* setsid failed, presumably because Emacs is already a process
3913 group leader. Fall back on the obsolescent way to dissociate
3914 a controlling tty. */
3915 block_tty_out_signal ();
3916 ioctl (fd
, TIOCNOTTY
, 0);
3917 unblock_tty_out_signal ();
3922 /* Create a termcap display on the tty device with the given name and
3925 If NAME is NULL, then use the controlling tty, i.e., "/dev/tty".
3926 Otherwise NAME should be a path to the tty device file,
3929 TERMINAL_TYPE is the termcap type of the device, e.g. "vt100".
3931 If MUST_SUCCEED is true, then all errors are fatal. */
3934 init_tty (const char *name
, const char *terminal_type
, bool must_succeed
)
3937 char **address
= &area
;
3939 struct tty_display_info
*tty
= NULL
;
3940 struct terminal
*terminal
= NULL
;
3941 bool ctty
= false; /* True if asked to open controlling tty. */
3944 maybe_fatal (must_succeed
, 0,
3945 "Unknown terminal type",
3946 "Unknown terminal type");
3950 if (!strcmp (name
, DEV_TTY
))
3953 /* If we already have a terminal on the given device, use that. If
3954 all such terminals are suspended, create a new one instead. */
3955 /* XXX Perhaps this should be made explicit by having init_tty
3956 always create a new terminal and separating terminal and frame
3957 creation on Lisp level. */
3958 terminal
= get_named_tty (name
);
3962 terminal
= create_terminal ();
3965 maybe_fatal (0, 0, "Attempt to create another terminal %s", "",
3968 tty
= &the_only_display_info
;
3970 tty
= xzalloc (sizeof *tty
);
3972 tty
->top_frame
= Qnil
;
3973 tty
->next
= tty_list
;
3976 terminal
->type
= output_termcap
;
3977 terminal
->display_info
.tty
= tty
;
3978 tty
->terminal
= terminal
;
3980 tty
->Wcm
= xmalloc (sizeof *tty
->Wcm
);
3983 encode_terminal_src_size
= 0;
3984 encode_terminal_dst_size
= 0;
3988 set_tty_hooks (terminal
);
3991 /* Open the terminal device. */
3993 /* If !ctty, don't recognize it as our controlling terminal, and
3994 don't make it the controlling tty if we don't have one now.
3996 Alas, O_IGNORE_CTTY is a GNU extension that seems to be only
3997 defined on Hurd. On other systems, we need to explicitly
3998 dissociate ourselves from the controlling tty when we want to
3999 open a frame on the same terminal. */
4000 int flags
= O_RDWR
| O_NOCTTY
| (ctty
? 0 : O_IGNORE_CTTY
);
4001 int fd
= emacs_open (name
, flags
, 0);
4002 tty
->input
= tty
->output
= fd
< 0 || ! isatty (fd
) ? 0 : fdopen (fd
, "w+");
4006 char const *diagnostic
4007 = tty
->input
? "Not a tty device: %s" : "Could not open file: %s";
4009 maybe_fatal (must_succeed
, terminal
, diagnostic
, diagnostic
, name
);
4012 tty
->name
= xstrdup (name
);
4013 terminal
->name
= xstrdup (name
);
4015 if (!O_IGNORE_CTTY
&& !ctty
)
4016 dissociate_if_controlling_tty (fd
);
4019 tty
->type
= xstrdup (terminal_type
);
4021 add_keyboard_wait_descriptor (fileno (tty
->input
));
4025 /* On some systems, tgetent tries to access the controlling
4027 block_tty_out_signal ();
4028 status
= tgetent (tty
->termcap_term_buffer
, terminal_type
);
4029 if (tty
->termcap_term_buffer
[TERMCAP_BUFFER_SIZE
- 1])
4031 unblock_tty_out_signal ();
4036 maybe_fatal (must_succeed
, terminal
,
4037 "Cannot open terminfo database file",
4038 "Cannot open terminfo database file");
4040 maybe_fatal (must_succeed
, terminal
,
4041 "Cannot open termcap database file",
4042 "Cannot open termcap database file");
4047 maybe_fatal (must_succeed
, terminal
,
4048 "Terminal type %s is not defined",
4049 "Terminal type %s is not defined.\n\
4050 If that is not the actual type of terminal you have,\n\
4051 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
4052 `setenv TERM ...') to specify the correct type. It may be necessary\n"
4054 "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
4056 "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
4061 area
= tty
->termcap_strings_buffer
;
4062 tty
->TS_ins_line
= tgetstr ("al", address
);
4063 tty
->TS_ins_multi_lines
= tgetstr ("AL", address
);
4064 tty
->TS_bell
= tgetstr ("bl", address
);
4065 BackTab (tty
) = tgetstr ("bt", address
);
4066 tty
->TS_clr_to_bottom
= tgetstr ("cd", address
);
4067 tty
->TS_clr_line
= tgetstr ("ce", address
);
4068 tty
->TS_clr_frame
= tgetstr ("cl", address
);
4069 ColPosition (tty
) = NULL
; /* tgetstr ("ch", address); */
4070 AbsPosition (tty
) = tgetstr ("cm", address
);
4071 CR (tty
) = tgetstr ("cr", address
);
4072 tty
->TS_set_scroll_region
= tgetstr ("cs", address
);
4073 tty
->TS_set_scroll_region_1
= tgetstr ("cS", address
);
4074 RowPosition (tty
) = tgetstr ("cv", address
);
4075 tty
->TS_del_char
= tgetstr ("dc", address
);
4076 tty
->TS_del_multi_chars
= tgetstr ("DC", address
);
4077 tty
->TS_del_line
= tgetstr ("dl", address
);
4078 tty
->TS_del_multi_lines
= tgetstr ("DL", address
);
4079 tty
->TS_delete_mode
= tgetstr ("dm", address
);
4080 tty
->TS_end_delete_mode
= tgetstr ("ed", address
);
4081 tty
->TS_end_insert_mode
= tgetstr ("ei", address
);
4082 Home (tty
) = tgetstr ("ho", address
);
4083 tty
->TS_ins_char
= tgetstr ("ic", address
);
4084 tty
->TS_ins_multi_chars
= tgetstr ("IC", address
);
4085 tty
->TS_insert_mode
= tgetstr ("im", address
);
4086 tty
->TS_pad_inserted_char
= tgetstr ("ip", address
);
4087 tty
->TS_end_keypad_mode
= tgetstr ("ke", address
);
4088 tty
->TS_keypad_mode
= tgetstr ("ks", address
);
4089 LastLine (tty
) = tgetstr ("ll", address
);
4090 Right (tty
) = tgetstr ("nd", address
);
4091 Down (tty
) = tgetstr ("do", address
);
4093 Down (tty
) = tgetstr ("nl", address
); /* Obsolete name for "do". */
4094 if (tgetflag ("bs"))
4095 Left (tty
) = "\b"; /* Can't possibly be longer! */
4096 else /* (Actually, "bs" is obsolete...) */
4097 Left (tty
) = tgetstr ("le", address
);
4099 Left (tty
) = tgetstr ("bc", address
); /* Obsolete name for "le". */
4100 tty
->TS_pad_char
= tgetstr ("pc", address
);
4101 tty
->TS_repeat
= tgetstr ("rp", address
);
4102 tty
->TS_end_standout_mode
= tgetstr ("se", address
);
4103 tty
->TS_fwd_scroll
= tgetstr ("sf", address
);
4104 tty
->TS_standout_mode
= tgetstr ("so", address
);
4105 tty
->TS_rev_scroll
= tgetstr ("sr", address
);
4106 tty
->Wcm
->cm_tab
= tgetstr ("ta", address
);
4107 tty
->TS_end_termcap_modes
= tgetstr ("te", address
);
4108 tty
->TS_termcap_modes
= tgetstr ("ti", address
);
4109 Up (tty
) = tgetstr ("up", address
);
4110 tty
->TS_visible_bell
= tgetstr ("vb", address
);
4111 tty
->TS_cursor_normal
= tgetstr ("ve", address
);
4112 tty
->TS_cursor_visible
= tgetstr ("vs", address
);
4113 tty
->TS_cursor_invisible
= tgetstr ("vi", address
);
4114 tty
->TS_set_window
= tgetstr ("wi", address
);
4116 tty
->TS_enter_underline_mode
= tgetstr ("us", address
);
4117 tty
->TS_exit_underline_mode
= tgetstr ("ue", address
);
4118 tty
->TS_enter_bold_mode
= tgetstr ("md", address
);
4119 tty
->TS_enter_italic_mode
= tgetstr ("ZH", address
);
4120 tty
->TS_enter_dim_mode
= tgetstr ("mh", address
);
4121 tty
->TS_enter_reverse_mode
= tgetstr ("mr", address
);
4122 tty
->TS_enter_alt_charset_mode
= tgetstr ("as", address
);
4123 tty
->TS_exit_alt_charset_mode
= tgetstr ("ae", address
);
4124 tty
->TS_exit_attribute_mode
= tgetstr ("me", address
);
4126 MultiUp (tty
) = tgetstr ("UP", address
);
4127 MultiDown (tty
) = tgetstr ("DO", address
);
4128 MultiLeft (tty
) = tgetstr ("LE", address
);
4129 MultiRight (tty
) = tgetstr ("RI", address
);
4131 /* SVr4/ANSI color support. If "op" isn't available, don't support
4132 color because we can't switch back to the default foreground and
4134 tty
->TS_orig_pair
= tgetstr ("op", address
);
4135 if (tty
->TS_orig_pair
)
4137 tty
->TS_set_foreground
= tgetstr ("AF", address
);
4138 tty
->TS_set_background
= tgetstr ("AB", address
);
4139 if (!tty
->TS_set_foreground
)
4142 tty
->TS_set_foreground
= tgetstr ("Sf", address
);
4143 tty
->TS_set_background
= tgetstr ("Sb", address
);
4146 tty
->TN_max_colors
= tgetnum ("Co");
4147 tty
->TN_max_pairs
= tgetnum ("pa");
4149 tty
->TN_no_color_video
= tgetnum ("NC");
4150 if (tty
->TN_no_color_video
== -1)
4151 tty
->TN_no_color_video
= 0;
4154 tty_default_color_capabilities (tty
, 1);
4156 MagicWrap (tty
) = tgetflag ("xn");
4157 /* Since we make MagicWrap terminals look like AutoWrap, we need to have
4158 the former flag imply the latter. */
4159 AutoWrap (tty
) = MagicWrap (tty
) || tgetflag ("am");
4160 terminal
->memory_below_frame
= tgetflag ("db");
4161 tty
->TF_hazeltine
= tgetflag ("hz");
4162 terminal
->must_write_spaces
= tgetflag ("in");
4163 tty
->meta_key
= tgetflag ("km") || tgetflag ("MT");
4164 tty
->TF_insmode_motion
= tgetflag ("mi");
4165 tty
->TF_standout_motion
= tgetflag ("ms");
4166 tty
->TF_underscore
= tgetflag ("ul");
4167 tty
->TF_teleray
= tgetflag ("xt");
4172 struct frame
*f
= XFRAME (selected_frame
);
4175 initialize_w32_display (terminal
, &width
, &height
);
4177 FrameRows (tty
) = height
;
4178 FrameCols (tty
) = width
;
4179 tty
->specified_window
= height
;
4181 FRAME_VERTICAL_SCROLL_BAR_TYPE (f
) = vertical_scroll_bar_none
;
4182 terminal
->char_ins_del_ok
= 1;
4188 if (strcmp (terminal_type
, "internal") == 0)
4189 terminal
->type
= output_msdos_raw
;
4190 initialize_msdos_display (terminal
);
4192 get_tty_size (fileno (tty
->input
), &width
, &height
);
4193 FrameCols (tty
) = width
;
4194 FrameRows (tty
) = height
;
4195 terminal
->char_ins_del_ok
= 0;
4196 init_baud_rate (fileno (tty
->input
));
4199 tty
->output
= stdout
;
4201 /* The following two are inaccessible from w32console.c. */
4202 terminal
->delete_frame_hook
= &tty_free_frame_resources
;
4203 terminal
->delete_terminal_hook
= &delete_tty
;
4205 tty
->name
= xstrdup (name
);
4206 terminal
->name
= xstrdup (name
);
4207 tty
->type
= xstrdup (terminal_type
);
4209 add_keyboard_wait_descriptor (0);
4211 tty
->delete_in_insert_mode
= 1;
4214 terminal
->scroll_region_ok
= 0;
4216 /* Seems to insert lines when it's not supposed to, messing up the
4217 display. In doing a trace, it didn't seem to be called much, so I
4218 don't think we're losing anything by turning it off. */
4219 terminal
->line_ins_del_ok
= 0;
4221 tty
->TN_max_colors
= 16; /* Must be non-zero for tty-display-color-p. */
4225 terminal
->mouse_position_hook
= term_mouse_position
;
4226 tty
->mouse_highlight
.mouse_face_window
= Qnil
;
4229 terminal
->kboard
= xmalloc (sizeof *terminal
->kboard
);
4230 init_kboard (terminal
->kboard
);
4231 kset_window_system (terminal
->kboard
, Qnil
);
4232 terminal
->kboard
->next_kboard
= all_kboards
;
4233 all_kboards
= terminal
->kboard
;
4234 terminal
->kboard
->reference_count
++;
4235 /* Don't let the initial kboard remain current longer than necessary.
4236 That would cause problems if a file loaded on startup tries to
4237 prompt in the mini-buffer. */
4238 if (current_kboard
== initial_kboard
)
4239 current_kboard
= terminal
->kboard
;
4241 term_get_fkeys (address
, terminal
->kboard
);
4243 /* Get frame size from system, or else from termcap. */
4246 get_tty_size (fileno (tty
->input
), &width
, &height
);
4247 FrameCols (tty
) = width
;
4248 FrameRows (tty
) = height
;
4251 if (FrameCols (tty
) <= 0)
4252 FrameCols (tty
) = tgetnum ("co");
4253 if (FrameRows (tty
) <= 0)
4254 FrameRows (tty
) = tgetnum ("li");
4256 if (FrameRows (tty
) < 3 || FrameCols (tty
) < 3)
4257 maybe_fatal (must_succeed
, terminal
,
4258 "Screen size %dx%d is too small",
4259 "Screen size %dx%d is too small",
4260 FrameCols (tty
), FrameRows (tty
));
4262 TabWidth (tty
) = tgetnum ("tw");
4265 tty
->TS_bell
= "\07";
4267 if (!tty
->TS_fwd_scroll
)
4268 tty
->TS_fwd_scroll
= Down (tty
);
4270 PC
= tty
->TS_pad_char
? *tty
->TS_pad_char
: 0;
4272 if (TabWidth (tty
) < 0)
4275 /* Turned off since /etc/termcap seems to have :ta= for most terminals
4276 and newer termcap doc does not seem to say there is a default.
4277 if (!tty->Wcm->cm_tab)
4278 tty->Wcm->cm_tab = "\t";
4281 /* We don't support standout modes that use `magic cookies', so
4282 turn off any that do. */
4283 if (tty
->TS_standout_mode
&& tgetnum ("sg") >= 0)
4285 tty
->TS_standout_mode
= 0;
4286 tty
->TS_end_standout_mode
= 0;
4288 if (tty
->TS_enter_underline_mode
&& tgetnum ("ug") >= 0)
4290 tty
->TS_enter_underline_mode
= 0;
4291 tty
->TS_exit_underline_mode
= 0;
4294 /* If there's no standout mode, try to use underlining instead. */
4295 if (tty
->TS_standout_mode
== 0)
4297 tty
->TS_standout_mode
= tty
->TS_enter_underline_mode
;
4298 tty
->TS_end_standout_mode
= tty
->TS_exit_underline_mode
;
4301 /* If no `se' string, try using a `me' string instead.
4302 If that fails, we can't use standout mode at all. */
4303 if (tty
->TS_end_standout_mode
== 0)
4305 char *s
= tgetstr ("me", address
);
4307 tty
->TS_end_standout_mode
= s
;
4309 tty
->TS_standout_mode
= 0;
4312 if (tty
->TF_teleray
)
4314 tty
->Wcm
->cm_tab
= 0;
4315 /* We can't support standout mode, because it uses magic cookies. */
4316 tty
->TS_standout_mode
= 0;
4317 /* But that means we cannot rely on ^M to go to column zero! */
4319 /* LF can't be trusted either -- can alter hpos. */
4320 /* If move at column 0 thru a line with TS_standout_mode. */
4324 tty
->specified_window
= FrameRows (tty
);
4326 if (Wcm_init (tty
) == -1) /* Can't do cursor motion. */
4328 maybe_fatal (must_succeed
, terminal
,
4329 "Terminal type \"%s\" is not powerful enough to run Emacs",
4330 "Terminal type \"%s\" is not powerful enough to run Emacs.\n\
4331 It lacks the ability to position the cursor.\n\
4332 If that is not the actual type of terminal you have,\n\
4333 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
4334 `setenv TERM ...') to specify the correct type. It may be necessary\n"
4336 "to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
4337 # else /* TERMCAP */
4338 "to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
4339 # endif /* TERMINFO */
4343 if (FrameRows (tty
) <= 0 || FrameCols (tty
) <= 0)
4344 maybe_fatal (must_succeed
, terminal
,
4345 "Could not determine the frame size",
4346 "Could not determine the frame size");
4348 tty
->delete_in_insert_mode
4349 = tty
->TS_delete_mode
&& tty
->TS_insert_mode
4350 && !strcmp (tty
->TS_delete_mode
, tty
->TS_insert_mode
);
4352 UseTabs (tty
) = tabs_safe_p (fileno (tty
->input
)) && TabWidth (tty
) == 8;
4354 terminal
->scroll_region_ok
4356 && (tty
->TS_set_window
|| tty
->TS_set_scroll_region
|| tty
->TS_set_scroll_region_1
));
4358 terminal
->line_ins_del_ok
4359 = (((tty
->TS_ins_line
|| tty
->TS_ins_multi_lines
)
4360 && (tty
->TS_del_line
|| tty
->TS_del_multi_lines
))
4361 || (terminal
->scroll_region_ok
4362 && tty
->TS_fwd_scroll
&& tty
->TS_rev_scroll
));
4364 terminal
->char_ins_del_ok
4365 = ((tty
->TS_ins_char
|| tty
->TS_insert_mode
4366 || tty
->TS_pad_inserted_char
|| tty
->TS_ins_multi_chars
)
4367 && (tty
->TS_del_char
|| tty
->TS_del_multi_chars
));
4369 terminal
->fast_clear_end_of_line
= tty
->TS_clr_line
!= 0;
4371 init_baud_rate (fileno (tty
->input
));
4373 #endif /* not DOS_NT */
4375 /* Init system terminal modes (RAW or CBREAK, etc.). */
4376 init_sys_modes (tty
);
4383 vfatal (const char *str
, va_list ap
)
4385 fprintf (stderr
, "emacs: ");
4386 vfprintf (stderr
, str
, ap
);
4387 if (!(strlen (str
) > 0 && str
[strlen (str
) - 1] == '\n'))
4388 fprintf (stderr
, "\n");
4394 /* Auxiliary error-handling function for init_tty.
4395 Delete TERMINAL, then call error or fatal with str1 or str2,
4396 respectively, according to whether MUST_SUCCEED is true. */
4399 maybe_fatal (bool must_succeed
, struct terminal
*terminal
,
4400 const char *str1
, const char *str2
, ...)
4403 va_start (ap
, str2
);
4405 delete_tty (terminal
);
4414 fatal (const char *str
, ...)
4423 /* Delete the given tty terminal, closing all frames on it. */
4426 delete_tty (struct terminal
*terminal
)
4428 struct tty_display_info
*tty
;
4430 /* Protect against recursive calls. delete_frame in
4431 delete_terminal calls us back when it deletes our last frame. */
4432 if (!terminal
->name
)
4435 eassert (terminal
->type
== output_termcap
);
4437 tty
= terminal
->display_info
.tty
;
4439 if (tty
== tty_list
)
4440 tty_list
= tty
->next
;
4443 struct tty_display_info
*p
;
4444 for (p
= tty_list
; p
&& p
->next
!= tty
; p
= p
->next
)
4448 /* This should not happen. */
4451 p
->next
= tty
->next
;
4455 /* reset_sys_modes needs a valid device, so this call needs to be
4456 before delete_terminal. */
4457 reset_sys_modes (tty
);
4459 delete_terminal (terminal
);
4466 delete_keyboard_wait_descriptor (fileno (tty
->input
));
4467 if (tty
->input
!= stdin
)
4468 fclose (tty
->input
);
4470 if (tty
->output
&& tty
->output
!= stdout
&& tty
->output
!= tty
->input
)
4471 fclose (tty
->output
);
4472 if (tty
->termscript
)
4473 fclose (tty
->termscript
);
4475 xfree (tty
->old_tty
);
4483 DEFVAR_BOOL ("system-uses-terminfo", system_uses_terminfo
,
4484 doc
: /* Non-nil means the system uses terminfo rather than termcap.
4485 This variable can be used by terminal emulator packages. */);
4487 system_uses_terminfo
= 1;
4489 system_uses_terminfo
= 0;
4492 DEFVAR_LISP ("suspend-tty-functions", Vsuspend_tty_functions
,
4493 doc
: /* Functions run after suspending a tty.
4494 The functions are run with one argument, the terminal object to be suspended.
4495 See `suspend-tty'. */);
4496 Vsuspend_tty_functions
= Qnil
;
4499 DEFVAR_LISP ("resume-tty-functions", Vresume_tty_functions
,
4500 doc
: /* Functions run after resuming a tty.
4501 The functions are run with one argument, the terminal object that was revived.
4502 See `resume-tty'. */);
4503 Vresume_tty_functions
= Qnil
;
4505 DEFVAR_BOOL ("visible-cursor", visible_cursor
,
4506 doc
: /* Non-nil means to make the cursor very visible.
4507 This only has an effect when running in a text terminal.
4508 What means \"very visible\" is up to your terminal. It may make the cursor
4509 bigger, or it may make it blink, or it may do nothing at all. */);
4512 defsubr (&Stty_display_color_p
);
4513 defsubr (&Stty_display_color_cells
);
4514 defsubr (&Stty_no_underline
);
4515 defsubr (&Stty_type
);
4516 defsubr (&Scontrolling_tty_p
);
4517 defsubr (&Stty_top_frame
);
4518 defsubr (&Ssuspend_tty
);
4519 defsubr (&Sresume_tty
);
4521 defsubr (&Sgpm_mouse_start
);
4522 defsubr (&Sgpm_mouse_stop
);
4523 #endif /* HAVE_GPM */
4526 default_orig_pair
= NULL
;
4527 default_set_foreground
= NULL
;
4528 default_set_background
= NULL
;
4529 #endif /* !DOS_NT */
4531 encode_terminal_src
= NULL
;
4532 encode_terminal_dst
= NULL
;
4534 DEFSYM (Qtty_menu_next_item
, "tty-menu-next-item");
4535 DEFSYM (Qtty_menu_prev_item
, "tty-menu-prev-item");
4536 DEFSYM (Qtty_menu_next_menu
, "tty-menu-next-menu");
4537 DEFSYM (Qtty_menu_prev_menu
, "tty-menu-prev-menu");
4538 DEFSYM (Qtty_menu_select
, "tty-menu-select");
4539 DEFSYM (Qtty_menu_ignore
, "tty-menu-ignore");
4540 DEFSYM (Qtty_menu_exit
, "tty-menu-exit");
4541 DEFSYM (Qtty_menu_mouse_movement
, "tty-menu-mouse-movement");
4542 DEFSYM (Qtty_menu_navigation_map
, "tty-menu-navigation-map");