1 /* Terminal control module for terminals described by TERMCAP
2 Copyright (C) 1985, 86, 87, 93, 94, 95, 98, 2000, 2001, 2002
3 Free Software Foundation, Inc.
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 2, or (at your option)
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; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* New redisplay, TTY faces by Gerd Moellmann <gerd@gnu.org>. */
32 #include "systty.h" /* For emacs_tty in termchar.h */
40 #include "termhooks.h"
41 #include "dispextern.h"
45 /* For now, don't try to include termcap.h. On some systems,
46 configure finds a non-standard termcap.h that the main build
49 #if defined HAVE_TERMCAP_H && 0
52 extern void tputs
P_ ((const char *, int, int (*)(int)));
53 extern int tgetent
P_ ((char *, const char *));
54 extern int tgetflag
P_ ((char *id
));
55 extern int tgetnum
P_ ((char *id
));
70 static void turn_on_face
P_ ((struct frame
*, int face_id
));
71 static void turn_off_face
P_ ((struct frame
*, int face_id
));
72 static void tty_show_cursor
P_ ((struct tty_output
*));
73 static void tty_hide_cursor
P_ ((struct tty_output
*));
75 void delete_tty
P_ ((struct tty_output
*));
76 static void delete_tty_1
P_ ((struct tty_output
*));
79 #define OUTPUT(tty, a) \
80 emacs_tputs ((tty), a, \
81 (int) (FRAME_LINES (XFRAME (selected_frame)) \
85 #define OUTPUT1(tty, a) emacs_tputs ((tty), a, 1, cmputc)
86 #define OUTPUTL(tty, a, lines) emacs_tputs ((tty), a, lines, cmputc)
88 #define OUTPUT_IF(tty, a) \
91 emacs_tputs ((tty), a, \
92 (int) (FRAME_LINES (XFRAME (selected_frame)) \
97 #define OUTPUT1_IF(tty, a) do { if (a) emacs_tputs ((tty), a, 1, cmputc); } while (0)
99 /* Function to use to ring the bell. */
101 Lisp_Object Vring_bell_function
;
103 /* Terminal characteristics that higher levels want to look at. */
105 struct tty_output
*tty_list
;
107 /* Nonzero means no need to redraw the entire frame on resuming a
108 suspended Emacs. This is useful on terminals with multiple
109 pages, where one page is used for Emacs and another for all
111 int no_redraw_on_reenter
;
113 /* Hook functions that you can set to snap out the functions in this file.
114 These are all extern'd in termhooks.h */
116 void (*cursor_to_hook
) P_ ((int, int));
117 void (*raw_cursor_to_hook
) P_ ((int, int));
118 void (*clear_to_end_hook
) P_ ((void));
119 void (*clear_frame_hook
) P_ ((void));
120 void (*clear_end_of_line_hook
) P_ ((int));
122 void (*ins_del_lines_hook
) P_ ((int, int));
124 void (*delete_glyphs_hook
) P_ ((int));
126 void (*ring_bell_hook
) P_ ((void));
128 void (*reset_terminal_modes_hook
) P_ ((void));
129 void (*set_terminal_modes_hook
) P_ ((void));
130 void (*update_begin_hook
) P_ ((struct frame
*));
131 void (*update_end_hook
) P_ ((struct frame
*));
132 void (*set_terminal_window_hook
) P_ ((int));
133 void (*insert_glyphs_hook
) P_ ((struct glyph
*, int));
134 void (*write_glyphs_hook
) P_ ((struct glyph
*, int));
135 void (*delete_glyphs_hook
) P_ ((int));
137 int (*read_socket_hook
) P_ ((struct input_event
*, int, int));
139 void (*frame_up_to_date_hook
) P_ ((struct frame
*));
141 /* Return the current position of the mouse.
143 Set *f to the frame the mouse is in, or zero if the mouse is in no
144 Emacs frame. If it is set to zero, all the other arguments are
147 If the motion started in a scroll bar, set *bar_window to the
148 scroll bar's window, *part to the part the mouse is currently over,
149 *x to the position of the mouse along the scroll bar, and *y to the
150 overall length of the scroll bar.
152 Otherwise, set *bar_window to Qnil, and *x and *y to the column and
153 row of the character cell the mouse is over.
155 Set *time to the time the mouse was at the returned position.
157 This should clear mouse_moved until the next motion
160 void (*mouse_position_hook
) P_ ((FRAME_PTR
*f
, int insist
,
161 Lisp_Object
*bar_window
,
162 enum scroll_bar_part
*part
,
165 unsigned long *time
));
167 /* When reading from a minibuffer in a different frame, Emacs wants
168 to shift the highlight from the selected frame to the mini-buffer's
169 frame; under X, this means it lies about where the focus is.
170 This hook tells the window system code to re-decide where to put
173 void (*frame_rehighlight_hook
) P_ ((FRAME_PTR f
));
175 /* If we're displaying frames using a window system that can stack
176 frames on top of each other, this hook allows you to bring a frame
177 to the front, or bury it behind all the other windows. If this
178 hook is zero, that means the device we're displaying on doesn't
179 support overlapping frames, so there's no need to raise or lower
182 If RAISE is non-zero, F is brought to the front, before all other
183 windows. If RAISE is zero, F is sent to the back, behind all other
186 void (*frame_raise_lower_hook
) P_ ((FRAME_PTR f
, int raise
));
188 /* Set the vertical scroll bar for WINDOW to have its upper left corner
189 at (TOP, LEFT), and be LENGTH rows high. Set its handle to
190 indicate that we are displaying PORTION characters out of a total
191 of WHOLE characters, starting at POSITION. If WINDOW doesn't yet
192 have a scroll bar, create one for it. */
194 void (*set_vertical_scroll_bar_hook
)
195 P_ ((struct window
*window
,
196 int portion
, int whole
, int position
));
199 /* The following three hooks are used when we're doing a thorough
200 redisplay of the frame. We don't explicitly know which scroll bars
201 are going to be deleted, because keeping track of when windows go
202 away is a real pain - can you say set-window-configuration?
203 Instead, we just assert at the beginning of redisplay that *all*
204 scroll bars are to be removed, and then save scroll bars from the
205 fiery pit when we actually redisplay their window. */
207 /* Arrange for all scroll bars on FRAME to be removed at the next call
208 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
209 `*redeem_scroll_bar_hook' is applied to its window before the judgment.
211 This should be applied to each frame each time its window tree is
212 redisplayed, even if it is not displaying scroll bars at the moment;
213 if the HAS_SCROLL_BARS flag has just been turned off, only calling
214 this and the judge_scroll_bars_hook will get rid of them.
216 If non-zero, this hook should be safe to apply to any frame,
217 whether or not it can support scroll bars, and whether or not it is
218 currently displaying them. */
220 void (*condemn_scroll_bars_hook
) P_ ((FRAME_PTR frame
));
222 /* Unmark WINDOW's scroll bar for deletion in this judgement cycle.
223 Note that it's okay to redeem a scroll bar that is not condemned. */
225 void (*redeem_scroll_bar_hook
) P_ ((struct window
*window
));
227 /* Remove all scroll bars on FRAME that haven't been saved since the
228 last call to `*condemn_scroll_bars_hook'.
230 This should be applied to each frame after each time its window
231 tree is redisplayed, even if it is not displaying scroll bars at the
232 moment; if the HAS_SCROLL_BARS flag has just been turned off, only
233 calling this and condemn_scroll_bars_hook will get rid of them.
235 If non-zero, this hook should be safe to apply to any frame,
236 whether or not it can support scroll bars, and whether or not it is
237 currently displaying them. */
239 void (*judge_scroll_bars_hook
) P_ ((FRAME_PTR FRAME
));
242 /* Meaning of bits in no_color_video. Each bit set means that the
243 corresponding attribute cannot be combined with colors. */
247 NC_STANDOUT
= 1 << 0,
248 NC_UNDERLINE
= 1 << 1,
255 NC_ALT_CHARSET
= 1 << 8
260 /* The largest frame width in any call to calculate_costs. */
264 /* The largest frame height in any call to calculate_costs. */
268 /* Frame currently being redisplayed; 0 if not currently redisplaying.
269 (Direct output does not count). */
271 FRAME_PTR updating_frame
;
273 /* Provided for lisp packages. */
275 static int system_uses_terminfo
;
279 extern char *tgetstr ();
283 /* We aren't X windows, but we aren't termcap either. This makes me
284 uncertain as to what value to use for frame.output_method. For
285 this file, we'll define FRAME_TERMCAP_P to be zero so that our
286 output hooks get called instead of the termcap functions. Probably
287 the best long-term solution is to define an output_windows_nt... */
289 #undef FRAME_TERMCAP_P
290 #define FRAME_TERMCAP_P(_f_) 0
291 #endif /* WINDOWSNT */
296 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
298 if (!NILP (Vring_bell_function
))
300 Lisp_Object function
;
302 /* Temporarily set the global variable to nil
303 so that if we get an error, it stays nil
304 and we don't call it over and over.
306 We don't specbind it, because that would carefully
307 restore the bad value if there's an error
308 and make the loop of errors happen anyway. */
310 function
= Vring_bell_function
;
311 Vring_bell_function
= Qnil
;
315 Vring_bell_function
= function
;
317 else if (!FRAME_TERMCAP_P (f
))
318 (*ring_bell_hook
) ();
320 struct tty_output
*tty
= FRAME_TTY (f
);
321 OUTPUT (tty
, tty
->TS_visible_bell
&& visible_bell
? tty
->TS_visible_bell
: tty
->TS_bell
);
325 void tty_set_terminal_modes (struct tty_output
*tty
)
327 OUTPUT_IF (tty
, tty
->TS_termcap_modes
);
328 OUTPUT_IF (tty
, tty
->TS_cursor_visible
);
329 OUTPUT_IF (tty
, tty
->TS_keypad_mode
);
334 set_terminal_modes ()
336 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
337 if (FRAME_TERMCAP_P (f
))
338 tty_set_terminal_modes (FRAME_TTY (f
));
340 (*set_terminal_modes_hook
) ();
343 void tty_reset_terminal_modes (struct tty_output
*tty
)
345 turn_off_highlight (tty
);
346 turn_off_insert (tty
);
347 OUTPUT_IF (tty
, tty
->TS_end_keypad_mode
);
348 OUTPUT_IF (tty
, tty
->TS_cursor_normal
);
349 OUTPUT_IF (tty
, tty
->TS_end_termcap_modes
);
350 OUTPUT_IF (tty
, tty
->TS_orig_pair
);
351 /* Output raw CR so kernel can track the cursor hpos. */
357 reset_terminal_modes ()
359 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
360 if (FRAME_TERMCAP_P (f
))
361 tty_reset_terminal_modes (FRAME_TTY (f
));
362 else if (reset_terminal_modes_hook
)
363 (*reset_terminal_modes_hook
) ();
371 if (!FRAME_TERMCAP_P (f
))
372 update_begin_hook (f
);
379 if (FRAME_TERMCAP_P (f
))
381 struct tty_output
*tty
= FRAME_TTY (f
);
382 if (!XWINDOW (selected_window
)->cursor_off_p
)
383 tty_show_cursor (tty
);
384 turn_off_insert (tty
);
385 background_highlight (tty
);
390 updating_frame
= NULL
;
394 set_terminal_window (size
)
397 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
398 if (FRAME_TERMCAP_P (f
))
400 struct tty_output
*tty
= FRAME_TTY (f
);
401 tty
->specified_window
= size
? size
: FRAME_LINES (f
);
402 if (TTY_SCROLL_REGION_OK (tty
))
403 set_scroll_region (0, tty
->specified_window
);
406 set_terminal_window_hook (size
);
410 set_scroll_region (start
, stop
)
414 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
415 struct tty_output
*tty
= FRAME_TTY (f
);
417 if (tty
->TS_set_scroll_region
)
418 buf
= tparam (tty
->TS_set_scroll_region
, 0, 0, start
, stop
- 1);
419 else if (tty
->TS_set_scroll_region_1
)
420 buf
= tparam (tty
->TS_set_scroll_region_1
, 0, 0,
421 FRAME_LINES (f
), start
,
422 FRAME_LINES (f
) - stop
,
425 buf
= tparam (tty
->TS_set_window
, 0, 0, start
, 0, stop
, FRAME_COLS (f
));
434 turn_on_insert (struct tty_output
*tty
)
436 if (!tty
->insert_mode
)
437 OUTPUT (tty
, tty
->TS_insert_mode
);
438 tty
->insert_mode
= 1;
442 turn_off_insert (struct tty_output
*tty
)
444 if (tty
->insert_mode
)
445 OUTPUT (tty
, tty
->TS_end_insert_mode
);
446 tty
->insert_mode
= 0;
449 /* Handle highlighting. */
452 turn_off_highlight (struct tty_output
*tty
)
454 if (tty
->standout_mode
)
455 OUTPUT_IF (tty
, tty
->TS_end_standout_mode
);
456 tty
->standout_mode
= 0;
460 turn_on_highlight (struct tty_output
*tty
)
462 if (!tty
->standout_mode
)
463 OUTPUT_IF (tty
, tty
->TS_standout_mode
);
464 tty
->standout_mode
= 1;
468 toggle_highlight (struct tty_output
*tty
)
470 if (tty
->standout_mode
)
471 turn_off_highlight (tty
);
473 turn_on_highlight (tty
);
477 /* Make cursor invisible. */
480 tty_hide_cursor (struct tty_output
*tty
)
482 if (tty
->cursor_hidden
== 0)
484 tty
->cursor_hidden
= 1;
485 OUTPUT_IF (tty
, tty
->TS_cursor_invisible
);
490 /* Ensure that cursor is visible. */
493 tty_show_cursor (struct tty_output
*tty
)
495 if (tty
->cursor_hidden
)
497 tty
->cursor_hidden
= 0;
498 OUTPUT_IF (tty
, tty
->TS_cursor_normal
);
499 OUTPUT_IF (tty
, tty
->TS_cursor_visible
);
504 /* Set standout mode to the state it should be in for
505 empty space inside windows. What this is,
506 depends on the user option inverse-video. */
509 background_highlight (struct tty_output
*tty
)
512 turn_on_highlight (tty
);
514 turn_off_highlight (tty
);
517 /* Set standout mode to the mode specified for the text to be output. */
520 highlight_if_desired (struct tty_output
*tty
)
523 turn_on_highlight (tty
);
525 turn_off_highlight (tty
);
529 /* Move cursor to row/column position VPOS/HPOS. HPOS/VPOS are
530 frame-relative coordinates. */
533 cursor_to (vpos
, hpos
)
536 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
537 struct tty_output
*tty
;
539 if (! FRAME_TERMCAP_P (f
) && cursor_to_hook
)
541 (*cursor_to_hook
) (vpos
, hpos
);
547 /* Detect the case where we are called from reset_sys_modes
548 and the costs have never been calculated. Do nothing. */
549 if (! tty
->costs_set
)
552 if (curY (tty
) == vpos
553 && curX (tty
) == hpos
)
555 if (!tty
->TF_standout_motion
)
556 background_highlight (tty
);
557 if (!tty
->TF_insmode_motion
)
558 turn_off_insert (tty
);
559 cmgoto (tty
, vpos
, hpos
);
562 /* Similar but don't take any account of the wasted characters. */
565 raw_cursor_to (row
, col
)
568 struct frame
*f
= updating_frame
? updating_frame
: XFRAME (selected_frame
);
569 struct tty_output
*tty
;
570 if (! FRAME_TERMCAP_P (f
))
572 (*raw_cursor_to_hook
) (row
, col
);
576 if (curY (tty
) == row
577 && curX (tty
) == col
)
579 if (!tty
->TF_standout_motion
)
580 background_highlight (tty
);
581 if (!tty
->TF_insmode_motion
)
582 turn_off_insert (tty
);
583 cmgoto (tty
, row
, col
);
586 /* Erase operations */
588 /* clear from cursor to end of frame */
594 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
595 struct tty_output
*tty
;
597 if (clear_to_end_hook
&& ! FRAME_TERMCAP_P (f
))
599 (*clear_to_end_hook
) ();
603 if (tty
->TS_clr_to_bottom
)
605 background_highlight (tty
);
606 OUTPUT (tty
, tty
->TS_clr_to_bottom
);
610 for (i
= curY (tty
); i
< FRAME_LINES (f
); i
++)
613 clear_end_of_line (FRAME_COLS (f
));
618 /* Clear entire frame */
623 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
624 struct tty_output
*tty
;
626 if (clear_frame_hook
&& ! FRAME_TERMCAP_P (f
))
628 (*clear_frame_hook
) ();
632 if (tty
->TS_clr_frame
)
634 background_highlight (tty
);
635 OUTPUT (tty
, tty
->TS_clr_frame
);
645 /* Clear from cursor to end of line.
646 Assume that the line is already clear starting at column first_unused_hpos.
648 Note that the cursor may be moved, on terminals lacking a `ce' string. */
651 clear_end_of_line (first_unused_hpos
)
652 int first_unused_hpos
;
654 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
655 struct tty_output
*tty
;
657 if (clear_end_of_line_hook
658 && ! FRAME_TERMCAP_P (f
))
660 (*clear_end_of_line_hook
) (first_unused_hpos
);
664 tty_clear_end_of_line (FRAME_TTY (f
), first_unused_hpos
);
668 tty_clear_end_of_line (struct tty_output
*tty
, int first_unused_hpos
)
671 /* Detect the case where we are called from reset_sys_modes
672 and the costs have never been calculated. Do nothing. */
673 if (! tty
->costs_set
)
676 if (curX (tty
) >= first_unused_hpos
)
678 background_highlight (tty
);
679 if (tty
->TS_clr_line
)
681 OUTPUT1 (tty
, tty
->TS_clr_line
);
684 { /* have to do it the hard way */
685 turn_off_insert (tty
);
687 /* Do not write in last row last col with Auto-wrap on. */
689 && curY (tty
) == FrameRows (tty
) - 1
690 && first_unused_hpos
== FrameCols (tty
))
693 for (i
= curX (tty
); i
< first_unused_hpos
; i
++)
695 if (TTY_TERMSCRIPT (tty
))
696 fputc (' ', TTY_TERMSCRIPT (tty
));
697 fputc (' ', TTY_OUTPUT (tty
));
699 cmplus (tty
, first_unused_hpos
- curX (tty
));
703 /* Encode SRC_LEN glyphs starting at SRC to terminal output codes and
704 store them at DST. Do not write more than DST_LEN bytes. That may
705 require stopping before all SRC_LEN input glyphs have been
708 We store the number of glyphs actually converted in *CONSUMED. The
709 return value is the number of bytes store in DST. */
712 encode_terminal_code (src
, dst
, src_len
, dst_len
, consumed
)
716 int dst_len
, *consumed
;
718 struct glyph
*src_start
= src
, *src_end
= src
+ src_len
;
719 unsigned char *dst_start
= dst
, *dst_end
= dst
+ dst_len
;
721 unsigned char workbuf
[MAX_MULTIBYTE_LENGTH
];
722 const unsigned char *buf
;
724 register int tlen
= GLYPH_TABLE_LENGTH
;
725 register Lisp_Object
*tbase
= GLYPH_TABLE_BASE
;
727 struct coding_system
*coding
;
729 /* If terminal_coding does any conversion, use it, otherwise use
730 safe_terminal_coding. We can't use CODING_REQUIRE_ENCODING here
731 because it always return 1 if the member src_multibyte is 1. */
732 coding
= (terminal_coding
.common_flags
& CODING_REQUIRE_ENCODING_MASK
734 : &safe_terminal_coding
);
736 while (src
< src_end
)
738 /* We must skip glyphs to be padded for a wide character. */
739 if (! CHAR_GLYPH_PADDING_P (*src
))
741 g
= GLYPH_FROM_CHAR_GLYPH (src
[0]);
743 if (g
< 0 || g
>= tlen
)
745 /* This glyph doesn't has an entry in Vglyph_table. */
746 if (! CHAR_VALID_P (src
->u
.ch
, 0))
750 coding
->src_multibyte
= 0;
754 len
= CHAR_STRING (src
->u
.ch
, workbuf
);
756 coding
->src_multibyte
= 1;
761 /* This glyph has an entry in Vglyph_table,
762 so process any alias before testing for simpleness. */
763 GLYPH_FOLLOW_ALIASES (tbase
, tlen
, g
);
765 if (GLYPH_SIMPLE_P (tbase
, tlen
, g
))
767 /* We set the multi-byte form of a character in G
768 (that should be an ASCII character) at
770 workbuf
[0] = FAST_GLYPH_CHAR (g
);
773 coding
->src_multibyte
= 0;
777 /* We have a string in Vglyph_table. */
778 len
= GLYPH_LENGTH (tbase
, g
);
779 buf
= GLYPH_STRING (tbase
, g
);
780 coding
->src_multibyte
= STRING_MULTIBYTE (tbase
[g
]);
784 result
= encode_coding (coding
, buf
, dst
, len
, dst_end
- dst
);
785 len
-= coding
->consumed
;
786 dst
+= coding
->produced
;
787 if (result
== CODING_FINISH_INSUFFICIENT_DST
788 || (result
== CODING_FINISH_INSUFFICIENT_SRC
789 && len
> dst_end
- dst
))
790 /* The remaining output buffer is too short. We must
791 break the loop here without increasing SRC so that the
792 next call of this function starts from the same glyph. */
797 /* This is the case that a code of the range 0200..0237
798 exists in buf. We must just write out such a code. */
799 buf
+= coding
->consumed
;
807 *consumed
= src
- src_start
;
808 return (dst
- dst_start
);
813 write_glyphs (string
, len
)
814 register struct glyph
*string
;
817 int produced
, consumed
;
818 struct frame
*f
= updating_frame
? updating_frame
: XFRAME (selected_frame
);
819 struct tty_output
*tty
;
820 unsigned char conversion_buffer
[1024];
821 int conversion_buffer_size
= sizeof conversion_buffer
;
823 if (write_glyphs_hook
824 && ! FRAME_TERMCAP_P (f
))
826 (*write_glyphs_hook
) (string
, len
);
832 turn_off_insert (tty
);
833 tty_hide_cursor (tty
);
835 /* Don't dare write in last column of bottom line, if Auto-Wrap,
836 since that would scroll the whole frame on some terminals. */
839 && curY (tty
) + 1 == FRAME_LINES (f
)
840 && (curX (tty
) + len
) == FRAME_COLS (f
))
847 /* The mode bit CODING_MODE_LAST_BLOCK should be set to 1 only at
849 terminal_coding
.mode
&= ~CODING_MODE_LAST_BLOCK
;
853 /* Identify a run of glyphs with the same face. */
854 int face_id
= string
->face_id
;
857 for (n
= 1; n
< len
; ++n
)
858 if (string
[n
].face_id
!= face_id
)
861 /* Turn appearance modes of the face of the run on. */
862 highlight_if_desired (tty
);
863 turn_on_face (f
, face_id
);
867 /* We use a fixed size (1024 bytes) of conversion buffer.
868 Usually it is sufficient, but if not, we just repeat the
870 produced
= encode_terminal_code (string
, conversion_buffer
,
871 n
, conversion_buffer_size
,
875 fwrite (conversion_buffer
, 1, produced
,
877 if (ferror (TTY_OUTPUT (tty
)))
878 clearerr (TTY_OUTPUT (tty
));
879 if (TTY_TERMSCRIPT (tty
))
880 fwrite (conversion_buffer
, 1, produced
,
881 TTY_TERMSCRIPT (tty
));
888 /* Turn appearance modes off. */
889 turn_off_face (f
, face_id
);
890 turn_off_highlight (tty
);
893 /* We may have to output some codes to terminate the writing. */
894 if (CODING_REQUIRE_FLUSHING (&terminal_coding
))
896 terminal_coding
.mode
|= CODING_MODE_LAST_BLOCK
;
897 encode_coding (&terminal_coding
, "", conversion_buffer
,
898 0, conversion_buffer_size
);
899 if (terminal_coding
.produced
> 0)
901 fwrite (conversion_buffer
, 1, terminal_coding
.produced
,
903 if (ferror (TTY_OUTPUT (tty
)))
904 clearerr (TTY_OUTPUT (tty
));
905 if (TTY_TERMSCRIPT (tty
))
906 fwrite (conversion_buffer
, 1, terminal_coding
.produced
,
907 TTY_TERMSCRIPT (tty
));
914 /* If start is zero, insert blanks instead of a string at start */
917 insert_glyphs (start
, len
)
918 register struct glyph
*start
;
922 struct glyph
*glyph
= NULL
;
924 struct tty_output
*tty
;
929 if (insert_glyphs_hook
)
931 (*insert_glyphs_hook
) (start
, len
);
935 f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
938 if (tty
->TS_ins_multi_chars
)
940 buf
= tparam (tty
->TS_ins_multi_chars
, 0, 0, len
);
944 write_glyphs (start
, len
);
948 turn_on_insert (tty
);
950 /* The bit CODING_MODE_LAST_BLOCK should be set to 1 only at the tail. */
951 terminal_coding
.mode
&= ~CODING_MODE_LAST_BLOCK
;
954 int produced
, consumed
;
955 unsigned char conversion_buffer
[1024];
956 int conversion_buffer_size
= sizeof conversion_buffer
;
958 OUTPUT1_IF (tty
, tty
->TS_ins_char
);
961 conversion_buffer
[0] = SPACEGLYPH
;
966 highlight_if_desired (tty
);
967 turn_on_face (f
, start
->face_id
);
970 /* We must open sufficient space for a character which
971 occupies more than one column. */
972 while (len
&& CHAR_GLYPH_PADDING_P (*start
))
974 OUTPUT1_IF (tty
, tty
->TS_ins_char
);
979 /* This is the last glyph. */
980 terminal_coding
.mode
|= CODING_MODE_LAST_BLOCK
;
982 /* The size of conversion buffer (1024 bytes) is surely
983 sufficient for just one glyph. */
984 produced
= encode_terminal_code (glyph
, conversion_buffer
, 1,
985 conversion_buffer_size
, &consumed
);
990 fwrite (conversion_buffer
, 1, produced
,
992 if (ferror (TTY_OUTPUT (tty
)))
993 clearerr (TTY_OUTPUT (tty
));
994 if (TTY_TERMSCRIPT (tty
))
995 fwrite (conversion_buffer
, 1, produced
,
996 TTY_TERMSCRIPT (tty
));
999 OUTPUT1_IF (tty
, tty
->TS_pad_inserted_char
);
1002 turn_off_face (f
, glyph
->face_id
);
1003 turn_off_highlight (tty
);
1016 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
1017 struct tty_output
*tty
= FRAME_TTY (f
);
1019 if (delete_glyphs_hook
&& ! FRAME_TERMCAP_P (f
))
1021 (*delete_glyphs_hook
) (n
);
1026 if (tty
->delete_in_insert_mode
)
1028 turn_on_insert (tty
);
1032 turn_off_insert (tty
);
1033 OUTPUT_IF (tty
, tty
->TS_delete_mode
);
1036 if (tty
->TS_del_multi_chars
)
1038 buf
= tparam (tty
->TS_del_multi_chars
, 0, 0, n
);
1043 for (i
= 0; i
< n
; i
++)
1044 OUTPUT1 (tty
, tty
->TS_del_char
);
1045 if (!tty
->delete_in_insert_mode
)
1046 OUTPUT_IF (tty
, tty
->TS_end_delete_mode
);
1049 /* Insert N lines at vpos VPOS. If N is negative, delete -N lines. */
1052 ins_del_lines (vpos
, n
)
1055 struct frame
*f
= (updating_frame
? updating_frame
: XFRAME (selected_frame
));
1056 if (ins_del_lines_hook
&& ! FRAME_TERMCAP_P (f
))
1058 (*ins_del_lines_hook
) (vpos
, n
);
1063 struct tty_output
*tty
= FRAME_TTY (f
);
1064 char *multi
= n
> 0 ? tty
->TS_ins_multi_lines
: tty
->TS_del_multi_lines
;
1065 char *single
= n
> 0 ? tty
->TS_ins_line
: tty
->TS_del_line
;
1066 char *scroll
= n
> 0 ? tty
->TS_rev_scroll
: tty
->TS_fwd_scroll
;
1068 register int i
= n
> 0 ? n
: -n
;
1071 /* If the lines below the insertion are being pushed
1072 into the end of the window, this is the same as clearing;
1073 and we know the lines are already clear, since the matching
1074 deletion has already been done. So can ignore this. */
1075 /* If the lines below the deletion are blank lines coming
1076 out of the end of the window, don't bother,
1077 as there will be a matching inslines later that will flush them. */
1078 if (TTY_SCROLL_REGION_OK (tty
)
1079 && vpos
+ i
>= tty
->specified_window
)
1081 if (!TTY_MEMORY_BELOW_FRAME (tty
)
1082 && vpos
+ i
>= FRAME_LINES (f
))
1087 raw_cursor_to (vpos
, 0);
1088 background_highlight (tty
);
1089 buf
= tparam (multi
, 0, 0, i
);
1095 raw_cursor_to (vpos
, 0);
1096 background_highlight (tty
);
1098 OUTPUT (tty
, single
);
1099 if (tty
->TF_teleray
)
1104 set_scroll_region (vpos
, tty
->specified_window
);
1106 raw_cursor_to (tty
->specified_window
- 1, 0);
1108 raw_cursor_to (vpos
, 0);
1109 background_highlight (tty
);
1111 OUTPUTL (tty
, scroll
, tty
->specified_window
- vpos
);
1112 set_scroll_region (0, tty
->specified_window
);
1115 if (!TTY_SCROLL_REGION_OK (tty
)
1116 && TTY_MEMORY_BELOW_FRAME (tty
)
1119 cursor_to (FRAME_LINES (f
) + n
, 0);
1125 /* Compute cost of sending "str", in characters,
1126 not counting any line-dependent padding. */
1134 tputs (str
, 0, evalcost
);
1138 /* Compute cost of sending "str", in characters,
1139 counting any line-dependent padding at one line. */
1142 string_cost_one_line (str
)
1147 tputs (str
, 1, evalcost
);
1151 /* Compute per line amount of line-dependent padding,
1152 in tenths of characters. */
1160 tputs (str
, 0, evalcost
);
1163 tputs (str
, 10, evalcost
);
1168 /* char_ins_del_cost[n] is cost of inserting N characters.
1169 char_ins_del_cost[-n] is cost of deleting N characters.
1170 The length of this vector is based on max_frame_cols. */
1172 int *char_ins_del_vector
;
1174 #define char_ins_del_cost(f) (&char_ins_del_vector[FRAME_COLS ((f))])
1179 calculate_ins_del_char_costs (f
)
1182 struct tty_output
*tty
= FRAME_TTY (f
);
1183 int ins_startup_cost
, del_startup_cost
;
1184 int ins_cost_per_char
, del_cost_per_char
;
1188 if (tty
->TS_ins_multi_chars
)
1190 ins_cost_per_char
= 0;
1191 ins_startup_cost
= string_cost_one_line (tty
->TS_ins_multi_chars
);
1193 else if (tty
->TS_ins_char
|| tty
->TS_pad_inserted_char
1194 || (tty
->TS_insert_mode
&& tty
->TS_end_insert_mode
))
1196 ins_startup_cost
= (30 * (string_cost (tty
->TS_insert_mode
)
1197 + string_cost (tty
->TS_end_insert_mode
))) / 100;
1198 ins_cost_per_char
= (string_cost_one_line (tty
->TS_ins_char
)
1199 + string_cost_one_line (tty
->TS_pad_inserted_char
));
1203 ins_startup_cost
= 9999;
1204 ins_cost_per_char
= 0;
1207 if (tty
->TS_del_multi_chars
)
1209 del_cost_per_char
= 0;
1210 del_startup_cost
= string_cost_one_line (tty
->TS_del_multi_chars
);
1212 else if (tty
->TS_del_char
)
1214 del_startup_cost
= (string_cost (tty
->TS_delete_mode
)
1215 + string_cost (tty
->TS_end_delete_mode
));
1216 if (tty
->delete_in_insert_mode
)
1217 del_startup_cost
/= 2;
1218 del_cost_per_char
= string_cost_one_line (tty
->TS_del_char
);
1222 del_startup_cost
= 9999;
1223 del_cost_per_char
= 0;
1226 /* Delete costs are at negative offsets */
1227 p
= &char_ins_del_cost (f
)[0];
1228 for (i
= FRAME_COLS (f
); --i
>= 0;)
1229 *--p
= (del_startup_cost
+= del_cost_per_char
);
1231 /* Doing nothing is free */
1232 p
= &char_ins_del_cost (f
)[0];
1235 /* Insert costs are at positive offsets */
1236 for (i
= FRAME_COLS (f
); --i
>= 0;)
1237 *p
++ = (ins_startup_cost
+= ins_cost_per_char
);
1241 calculate_costs (frame
)
1244 struct tty_output
*tty
= FRAME_TTY (frame
);
1245 register char *f
= (tty
->TS_set_scroll_region
1246 ? tty
->TS_set_scroll_region
1247 : tty
->TS_set_scroll_region_1
);
1249 FRAME_COST_BAUD_RATE (frame
) = baud_rate
;
1251 if (FRAME_TERMCAP_P (frame
))
1252 TTY_SCROLL_REGION_COST (frame
->output_data
.tty
) = string_cost (f
);
1254 /* These variables are only used for terminal stuff. They are allocated
1255 once for the terminal frame of X-windows emacs, but not used afterwards.
1257 char_ins_del_vector (i.e., char_ins_del_cost) isn't used because
1258 X turns off char_ins_del_ok. */
1260 max_frame_lines
= max (max_frame_lines
, FRAME_LINES (frame
));
1261 max_frame_cols
= max (max_frame_cols
, FRAME_COLS (frame
));
1265 if (char_ins_del_vector
!= 0)
1267 = (int *) xrealloc (char_ins_del_vector
,
1269 + 2 * max_frame_cols
* sizeof (int)));
1272 = (int *) xmalloc (sizeof (int)
1273 + 2 * max_frame_cols
* sizeof (int));
1275 bzero (char_ins_del_vector
, (sizeof (int)
1276 + 2 * max_frame_cols
* sizeof (int)));
1278 if (f
&& (!tty
->TS_ins_line
&& !tty
->TS_del_line
))
1279 do_line_insertion_deletion_costs (frame
,
1280 tty
->TS_rev_scroll
, tty
->TS_ins_multi_lines
,
1281 tty
->TS_fwd_scroll
, tty
->TS_del_multi_lines
,
1284 do_line_insertion_deletion_costs (frame
,
1285 tty
->TS_ins_line
, tty
->TS_ins_multi_lines
,
1286 tty
->TS_del_line
, tty
->TS_del_multi_lines
,
1289 calculate_ins_del_char_costs (frame
);
1291 /* Don't use TS_repeat if its padding is worse than sending the chars */
1292 if (tty
->TS_repeat
&& per_line_cost (tty
->TS_repeat
) * baud_rate
< 9000)
1293 tty
->RPov
= string_cost (tty
->TS_repeat
);
1295 tty
->RPov
= FRAME_COLS (frame
) * 2;
1297 cmcostinit (FRAME_TTY (frame
)); /* set up cursor motion costs */
1304 /* Termcap capability names that correspond directly to X keysyms.
1305 Some of these (marked "terminfo") aren't supplied by old-style
1306 (Berkeley) termcap entries. They're listed in X keysym order;
1307 except we put the keypad keys first, so that if they clash with
1308 other keys (as on the IBM PC keyboard) they get overridden.
1311 static struct fkey_table keys
[] =
1313 {"kh", "home"}, /* termcap */
1314 {"kl", "left"}, /* termcap */
1315 {"ku", "up"}, /* termcap */
1316 {"kr", "right"}, /* termcap */
1317 {"kd", "down"}, /* termcap */
1318 {"%8", "prior"}, /* terminfo */
1319 {"%5", "next"}, /* terminfo */
1320 {"@7", "end"}, /* terminfo */
1321 {"@1", "begin"}, /* terminfo */
1322 {"*6", "select"}, /* terminfo */
1323 {"%9", "print"}, /* terminfo */
1324 {"@4", "execute"}, /* terminfo --- actually the `command' key */
1326 * "insert" --- see below
1328 {"&8", "undo"}, /* terminfo */
1329 {"%0", "redo"}, /* terminfo */
1330 {"%7", "menu"}, /* terminfo --- actually the `options' key */
1331 {"@0", "find"}, /* terminfo */
1332 {"@2", "cancel"}, /* terminfo */
1333 {"%1", "help"}, /* terminfo */
1335 * "break" goes here, but can't be reliably intercepted with termcap
1337 {"&4", "reset"}, /* terminfo --- actually `restart' */
1339 * "system" and "user" --- no termcaps
1341 {"kE", "clearline"}, /* terminfo */
1342 {"kA", "insertline"}, /* terminfo */
1343 {"kL", "deleteline"}, /* terminfo */
1344 {"kI", "insertchar"}, /* terminfo */
1345 {"kD", "deletechar"}, /* terminfo */
1346 {"kB", "backtab"}, /* terminfo */
1348 * "kp_backtab", "kp-space", "kp-tab" --- no termcaps
1350 {"@8", "kp-enter"}, /* terminfo */
1352 * "kp-f1", "kp-f2", "kp-f3" "kp-f4",
1353 * "kp-multiply", "kp-add", "kp-separator",
1354 * "kp-subtract", "kp-decimal", "kp-divide", "kp-0";
1355 * --- no termcaps for any of these.
1357 {"K4", "kp-1"}, /* terminfo */
1359 * "kp-2" --- no termcap
1361 {"K5", "kp-3"}, /* terminfo */
1363 * "kp-4" --- no termcap
1365 {"K2", "kp-5"}, /* terminfo */
1367 * "kp-6" --- no termcap
1369 {"K1", "kp-7"}, /* terminfo */
1371 * "kp-8" --- no termcap
1373 {"K3", "kp-9"}, /* terminfo */
1375 * "kp-equal" --- no termcap
1388 static char **term_get_fkeys_arg
;
1389 static Lisp_Object
term_get_fkeys_1 ();
1391 /* Find the escape codes sent by the function keys for Vfunction_key_map.
1392 This function scans the termcap function key sequence entries, and
1393 adds entries to Vfunction_key_map for each function key it finds. */
1396 term_get_fkeys (address
)
1399 /* We run the body of the function (term_get_fkeys_1) and ignore all Lisp
1400 errors during the call. The only errors should be from Fdefine_key
1401 when given a key sequence containing an invalid prefix key. If the
1402 termcap defines function keys which use a prefix that is already bound
1403 to a command by the default bindings, we should silently ignore that
1404 function key specification, rather than giving the user an error and
1405 refusing to run at all on such a terminal. */
1407 extern Lisp_Object
Fidentity ();
1408 term_get_fkeys_arg
= address
;
1409 internal_condition_case (term_get_fkeys_1
, Qerror
, Fidentity
);
1417 char **address
= term_get_fkeys_arg
;
1419 /* This can happen if CANNOT_DUMP or with strange options. */
1421 Vfunction_key_map
= Fmake_sparse_keymap (Qnil
);
1423 for (i
= 0; i
< (sizeof (keys
)/sizeof (keys
[0])); i
++)
1425 char *sequence
= tgetstr (keys
[i
].cap
, address
);
1427 Fdefine_key (Vfunction_key_map
, build_string (sequence
),
1428 Fmake_vector (make_number (1),
1429 intern (keys
[i
].name
)));
1432 /* The uses of the "k0" capability are inconsistent; sometimes it
1433 describes F10, whereas othertimes it describes F0 and "k;" describes F10.
1434 We will attempt to politely accommodate both systems by testing for
1435 "k;", and if it is present, assuming that "k0" denotes F0, otherwise F10.
1438 char *k_semi
= tgetstr ("k;", address
);
1439 char *k0
= tgetstr ("k0", address
);
1440 char *k0_name
= "f10";
1445 /* Define f0 first, so that f10 takes precedence in case the
1446 key sequences happens to be the same. */
1447 Fdefine_key (Vfunction_key_map
, build_string (k0
),
1448 Fmake_vector (make_number (1), intern ("f0")));
1449 Fdefine_key (Vfunction_key_map
, build_string (k_semi
),
1450 Fmake_vector (make_number (1), intern ("f10")));
1453 Fdefine_key (Vfunction_key_map
, build_string (k0
),
1454 Fmake_vector (make_number (1), intern (k0_name
)));
1457 /* Set up cookies for numbered function keys above f10. */
1459 char fcap
[3], fkey
[4];
1461 fcap
[0] = 'F'; fcap
[2] = '\0';
1462 for (i
= 11; i
< 64; i
++)
1465 fcap
[1] = '1' + i
- 11;
1467 fcap
[1] = 'A' + i
- 20;
1469 fcap
[1] = 'a' + i
- 46;
1472 char *sequence
= tgetstr (fcap
, address
);
1475 sprintf (fkey
, "f%d", i
);
1476 Fdefine_key (Vfunction_key_map
, build_string (sequence
),
1477 Fmake_vector (make_number (1),
1485 * Various mappings to try and get a better fit.
1488 #define CONDITIONAL_REASSIGN(cap1, cap2, sym) \
1489 if (!tgetstr (cap1, address)) \
1491 char *sequence = tgetstr (cap2, address); \
1493 Fdefine_key (Vfunction_key_map, build_string (sequence), \
1494 Fmake_vector (make_number (1), \
1498 /* if there's no key_next keycap, map key_npage to `next' keysym */
1499 CONDITIONAL_REASSIGN ("%5", "kN", "next");
1500 /* if there's no key_prev keycap, map key_ppage to `previous' keysym */
1501 CONDITIONAL_REASSIGN ("%8", "kP", "prior");
1502 /* if there's no key_dc keycap, map key_ic to `insert' keysym */
1503 CONDITIONAL_REASSIGN ("kD", "kI", "insert");
1504 /* if there's no key_end keycap, map key_ll to 'end' keysym */
1505 CONDITIONAL_REASSIGN ("@7", "kH", "end");
1507 /* IBM has their own non-standard dialect of terminfo.
1508 If the standard name isn't found, try the IBM name. */
1509 CONDITIONAL_REASSIGN ("kB", "KO", "backtab");
1510 CONDITIONAL_REASSIGN ("@4", "kJ", "execute"); /* actually "action" */
1511 CONDITIONAL_REASSIGN ("@4", "kc", "execute"); /* actually "command" */
1512 CONDITIONAL_REASSIGN ("%7", "ki", "menu");
1513 CONDITIONAL_REASSIGN ("@7", "kw", "end");
1514 CONDITIONAL_REASSIGN ("F1", "k<", "f11");
1515 CONDITIONAL_REASSIGN ("F2", "k>", "f12");
1516 CONDITIONAL_REASSIGN ("%1", "kq", "help");
1517 CONDITIONAL_REASSIGN ("*6", "kU", "select");
1518 #undef CONDITIONAL_REASSIGN
1525 /***********************************************************************
1526 Character Display Information
1527 ***********************************************************************/
1529 static void append_glyph
P_ ((struct it
*));
1532 /* Append glyphs to IT's glyph_row. Called from produce_glyphs for
1533 terminal frames if IT->glyph_row != NULL. IT->c is the character
1534 for which to produce glyphs; IT->face_id contains the character's
1535 face. Padding glyphs are appended if IT->c has a IT->pixel_width >
1542 struct glyph
*glyph
, *end
;
1545 xassert (it
->glyph_row
);
1546 glyph
= (it
->glyph_row
->glyphs
[it
->area
]
1547 + it
->glyph_row
->used
[it
->area
]);
1548 end
= it
->glyph_row
->glyphs
[1 + it
->area
];
1551 i
< it
->pixel_width
&& glyph
< end
;
1554 glyph
->type
= CHAR_GLYPH
;
1555 glyph
->pixel_width
= 1;
1556 glyph
->u
.ch
= it
->c
;
1557 glyph
->face_id
= it
->face_id
;
1558 glyph
->padding_p
= i
> 0;
1559 glyph
->charpos
= CHARPOS (it
->position
);
1560 glyph
->object
= it
->object
;
1562 ++it
->glyph_row
->used
[it
->area
];
1568 /* Produce glyphs for the display element described by IT. *IT
1569 specifies what we want to produce a glyph for (character, image, ...),
1570 and where in the glyph matrix we currently are (glyph row and hpos).
1571 produce_glyphs fills in output fields of *IT with information such as the
1572 pixel width and height of a character, and maybe output actual glyphs at
1573 the same time if IT->glyph_row is non-null. See the explanation of
1574 struct display_iterator in dispextern.h for an overview.
1576 produce_glyphs also stores the result of glyph width, ascent
1577 etc. computations in *IT.
1579 IT->glyph_row may be null, in which case produce_glyphs does not
1580 actually fill in the glyphs. This is used in the move_* functions
1581 in xdisp.c for text width and height computations.
1583 Callers usually don't call produce_glyphs directly;
1584 instead they use the macro PRODUCE_GLYPHS. */
1590 /* If a hook is installed, let it do the work. */
1591 xassert (it
->what
== IT_CHARACTER
1592 || it
->what
== IT_COMPOSITION
1593 || it
->what
== IT_IMAGE
1594 || it
->what
== IT_STRETCH
);
1596 /* Nothing but characters are supported on terminal frames. For a
1597 composition sequence, it->c is the first character of the
1599 xassert (it
->what
== IT_CHARACTER
1600 || it
->what
== IT_COMPOSITION
);
1602 if (it
->c
>= 040 && it
->c
< 0177)
1604 it
->pixel_width
= it
->nglyphs
= 1;
1608 else if (it
->c
== '\n')
1609 it
->pixel_width
= it
->nglyphs
= 0;
1610 else if (it
->c
== '\t')
1612 int absolute_x
= (it
->current_x
1613 + it
->continuation_lines_width
);
1615 = (((1 + absolute_x
+ it
->tab_width
- 1)
1620 /* If part of the TAB has been displayed on the previous line
1621 which is continued now, continuation_lines_width will have
1622 been incremented already by the part that fitted on the
1623 continued line. So, we will get the right number of spaces
1625 nspaces
= next_tab_x
- absolute_x
;
1632 it
->pixel_width
= it
->len
= 1;
1640 it
->pixel_width
= nspaces
;
1641 it
->nglyphs
= nspaces
;
1643 else if (SINGLE_BYTE_CHAR_P (it
->c
))
1645 /* Coming here means that it->c is from display table, thus we
1646 must send the code as is to the terminal. Although there's
1647 no way to know how many columns it occupies on a screen, it
1648 is a good assumption that a single byte code has 1-column
1650 it
->pixel_width
= it
->nglyphs
= 1;
1656 /* A multi-byte character. The display width is fixed for all
1657 characters of the set. Some of the glyphs may have to be
1658 ignored because they are already displayed in a continued
1660 int charset
= CHAR_CHARSET (it
->c
);
1662 it
->pixel_width
= CHARSET_WIDTH (charset
);
1663 it
->nglyphs
= it
->pixel_width
;
1669 /* Advance current_x by the pixel width as a convenience for
1671 if (it
->area
== TEXT_AREA
)
1672 it
->current_x
+= it
->pixel_width
;
1673 it
->ascent
= it
->max_ascent
= it
->phys_ascent
= it
->max_phys_ascent
= 0;
1674 it
->descent
= it
->max_descent
= it
->phys_descent
= it
->max_phys_descent
= 1;
1678 /* Get information about special display element WHAT in an
1679 environment described by IT. WHAT is one of IT_TRUNCATION or
1680 IT_CONTINUATION. Maybe produce glyphs for WHAT if IT has a
1681 non-null glyph_row member. This function ensures that fields like
1682 face_id, c, len of IT are left untouched. */
1685 produce_special_glyphs (it
, what
)
1687 enum display_element_type what
;
1693 temp_it
.what
= IT_CHARACTER
;
1695 temp_it
.object
= make_number (0);
1696 bzero (&temp_it
.current
, sizeof temp_it
.current
);
1698 if (what
== IT_CONTINUATION
)
1700 /* Continuation glyph. */
1702 && INTEGERP (DISP_CONTINUE_GLYPH (it
->dp
))
1703 && GLYPH_CHAR_VALID_P (XINT (DISP_CONTINUE_GLYPH (it
->dp
))))
1705 temp_it
.c
= FAST_GLYPH_CHAR (XINT (DISP_CONTINUE_GLYPH (it
->dp
)));
1706 temp_it
.len
= CHAR_BYTES (temp_it
.c
);
1711 produce_glyphs (&temp_it
);
1712 it
->pixel_width
= temp_it
.pixel_width
;
1713 it
->nglyphs
= temp_it
.pixel_width
;
1715 else if (what
== IT_TRUNCATION
)
1717 /* Truncation glyph. */
1719 && INTEGERP (DISP_TRUNC_GLYPH (it
->dp
))
1720 && GLYPH_CHAR_VALID_P (XINT (DISP_TRUNC_GLYPH (it
->dp
))))
1722 temp_it
.c
= FAST_GLYPH_CHAR (XINT (DISP_TRUNC_GLYPH (it
->dp
)));
1723 temp_it
.len
= CHAR_BYTES (temp_it
.c
);
1728 produce_glyphs (&temp_it
);
1729 it
->pixel_width
= temp_it
.pixel_width
;
1730 it
->nglyphs
= temp_it
.pixel_width
;
1738 /***********************************************************************
1740 ***********************************************************************/
1742 /* Value is non-zero if attribute ATTR may be used. ATTR should be
1743 one of the enumerators from enum no_color_bit, or a bit set built
1744 from them. Some display attributes may not be used together with
1745 color; the termcap capability `NC' specifies which ones. */
1747 #define MAY_USE_WITH_COLORS_P(tty, ATTR) \
1748 (tty->TN_max_colors > 0 \
1749 ? (tty->TN_no_color_video & (ATTR)) == 0 \
1752 /* Turn appearances of face FACE_ID on tty frame F on. */
1755 turn_on_face (f
, face_id
)
1759 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1760 long fg
= face
->foreground
;
1761 long bg
= face
->background
;
1762 struct tty_output
*tty
= FRAME_TTY (f
);
1764 /* Do this first because TS_end_standout_mode may be the same
1765 as TS_exit_attribute_mode, which turns all appearances off. */
1766 if (MAY_USE_WITH_COLORS_P (tty
, NC_REVERSE
))
1768 if (tty
->TN_max_colors
> 0)
1770 if (fg
>= 0 && bg
>= 0)
1772 /* If the terminal supports colors, we can set them
1773 below without using reverse video. The face's fg
1774 and bg colors are set as they should appear on
1775 the screen, i.e. they take the inverse-video'ness
1776 of the face already into account. */
1778 else if (inverse_video
)
1780 if (fg
== FACE_TTY_DEFAULT_FG_COLOR
1781 || bg
== FACE_TTY_DEFAULT_BG_COLOR
)
1782 toggle_highlight (tty
);
1786 if (fg
== FACE_TTY_DEFAULT_BG_COLOR
1787 || bg
== FACE_TTY_DEFAULT_FG_COLOR
)
1788 toggle_highlight (tty
);
1793 /* If we can't display colors, use reverse video
1794 if the face specifies that. */
1797 if (fg
== FACE_TTY_DEFAULT_FG_COLOR
1798 || bg
== FACE_TTY_DEFAULT_BG_COLOR
)
1799 toggle_highlight (tty
);
1803 if (fg
== FACE_TTY_DEFAULT_BG_COLOR
1804 || bg
== FACE_TTY_DEFAULT_FG_COLOR
)
1805 toggle_highlight (tty
);
1810 if (face
->tty_bold_p
)
1812 if (MAY_USE_WITH_COLORS_P (tty
, NC_BOLD
))
1813 OUTPUT1_IF (tty
, tty
->TS_enter_bold_mode
);
1815 else if (face
->tty_dim_p
)
1816 if (MAY_USE_WITH_COLORS_P (tty
, NC_DIM
))
1817 OUTPUT1_IF (tty
, tty
->TS_enter_dim_mode
);
1819 /* Alternate charset and blinking not yet used. */
1820 if (face
->tty_alt_charset_p
1821 && MAY_USE_WITH_COLORS_P (tty
, NC_ALT_CHARSET
))
1822 OUTPUT1_IF (tty
, tty
->TS_enter_alt_charset_mode
);
1824 if (face
->tty_blinking_p
1825 && MAY_USE_WITH_COLORS_P (tty
, NC_BLINK
))
1826 OUTPUT1_IF (tty
, tty
->TS_enter_blink_mode
);
1828 if (face
->tty_underline_p
&& MAY_USE_WITH_COLORS_P (tty
, NC_UNDERLINE
))
1829 OUTPUT1_IF (tty
, tty
->TS_enter_underline_mode
);
1831 if (tty
->TN_max_colors
> 0)
1835 if (fg
>= 0 && tty
->TS_set_foreground
)
1837 p
= tparam (tty
->TS_set_foreground
, NULL
, 0, (int) fg
);
1842 if (bg
>= 0 && tty
->TS_set_background
)
1844 p
= tparam (tty
->TS_set_background
, NULL
, 0, (int) bg
);
1852 /* Turn off appearances of face FACE_ID on tty frame F. */
1855 turn_off_face (f
, face_id
)
1859 struct face
*face
= FACE_FROM_ID (f
, face_id
);
1860 struct tty_output
*tty
= FRAME_TTY (f
);
1862 xassert (face
!= NULL
);
1864 if (tty
->TS_exit_attribute_mode
)
1866 /* Capability "me" will turn off appearance modes double-bright,
1867 half-bright, reverse-video, standout, underline. It may or
1868 may not turn off alt-char-mode. */
1869 if (face
->tty_bold_p
1871 || face
->tty_reverse_p
1872 || face
->tty_alt_charset_p
1873 || face
->tty_blinking_p
1874 || face
->tty_underline_p
)
1876 OUTPUT1_IF (tty
, tty
->TS_exit_attribute_mode
);
1877 if (strcmp (tty
->TS_exit_attribute_mode
, tty
->TS_end_standout_mode
) == 0)
1878 tty
->standout_mode
= 0;
1881 if (face
->tty_alt_charset_p
)
1882 OUTPUT_IF (tty
, tty
->TS_exit_alt_charset_mode
);
1886 /* If we don't have "me" we can only have those appearances
1887 that have exit sequences defined. */
1888 if (face
->tty_alt_charset_p
)
1889 OUTPUT_IF (tty
, tty
->TS_exit_alt_charset_mode
);
1891 if (face
->tty_underline_p
)
1892 OUTPUT_IF (tty
, tty
->TS_exit_underline_mode
);
1895 /* Switch back to default colors. */
1896 if (tty
->TN_max_colors
> 0
1897 && ((face
->foreground
!= FACE_TTY_DEFAULT_COLOR
1898 && face
->foreground
!= FACE_TTY_DEFAULT_FG_COLOR
)
1899 || (face
->background
!= FACE_TTY_DEFAULT_COLOR
1900 && face
->background
!= FACE_TTY_DEFAULT_BG_COLOR
)))
1901 OUTPUT1_IF (tty
, tty
->TS_orig_pair
);
1905 /* Return non-zero if the terminal on frame F supports all of the
1906 capabilities in CAPS simultaneously, with foreground and background
1907 colors FG and BG. */
1910 tty_capable_p (tty
, caps
, fg
, bg
)
1911 struct tty_output
*tty
;
1913 unsigned long fg
, bg
;
1915 #define TTY_CAPABLE_P_TRY(tty, cap, TS, NC_bit) \
1916 if ((caps & (cap)) && (!(TS) || !MAY_USE_WITH_COLORS_P(tty, NC_bit))) \
1919 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_INVERSE
, tty
->TS_standout_mode
, NC_REVERSE
);
1920 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_UNDERLINE
, tty
->TS_enter_underline_mode
, NC_UNDERLINE
);
1921 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_BOLD
, tty
->TS_enter_bold_mode
, NC_BOLD
);
1922 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_DIM
, tty
->TS_enter_dim_mode
, NC_DIM
);
1923 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_BLINK
, tty
->TS_enter_blink_mode
, NC_BLINK
);
1924 TTY_CAPABLE_P_TRY (tty
, TTY_CAP_ALT_CHARSET
, tty
->TS_enter_alt_charset_mode
, NC_ALT_CHARSET
);
1931 /* Return non-zero if the terminal is capable to display colors. */
1933 DEFUN ("tty-display-color-p", Ftty_display_color_p
, Stty_display_color_p
,
1935 doc
: /* Return non-nil if TTY can display colors on DISPLAY. */)
1937 Lisp_Object display
;
1939 struct tty_output
*tty
= FRAME_TTY (SELECTED_FRAME ());
1940 return tty
->TN_max_colors
> 0 ? Qt
: Qnil
;
1943 /* Return the number of supported colors. */
1944 DEFUN ("tty-display-color-cells", Ftty_display_color_cells
,
1945 Stty_display_color_cells
, 0, 1, 0,
1946 doc
: /* Return the number of colors supported by TTY on DISPLAY. */)
1948 Lisp_Object display
;
1950 struct tty_output
*tty
= FRAME_TTY (SELECTED_FRAME ());
1951 return make_number (tty
->TN_max_colors
);
1956 /* Save or restore the default color-related capabilities of this
1959 tty_default_color_capabilities (struct tty_output
*tty
, int save
)
1962 *default_orig_pair
, *default_set_foreground
, *default_set_background
;
1963 static int default_max_colors
, default_max_pairs
, default_no_color_video
;
1967 if (default_orig_pair
)
1968 xfree (default_orig_pair
);
1969 default_orig_pair
= tty
->TS_orig_pair
? xstrdup (tty
->TS_orig_pair
) : NULL
;
1971 if (default_set_foreground
)
1972 xfree (default_set_foreground
);
1973 default_set_foreground
= tty
->TS_set_foreground
? xstrdup (tty
->TS_set_foreground
)
1976 if (default_set_background
)
1977 xfree (default_set_background
);
1978 default_set_background
= tty
->TS_set_background
? xstrdup (tty
->TS_set_background
)
1981 default_max_colors
= tty
->TN_max_colors
;
1982 default_max_pairs
= tty
->TN_max_pairs
;
1983 default_no_color_video
= tty
->TN_no_color_video
;
1987 tty
->TS_orig_pair
= default_orig_pair
;
1988 tty
->TS_set_foreground
= default_set_foreground
;
1989 tty
->TS_set_background
= default_set_background
;
1990 tty
->TN_max_colors
= default_max_colors
;
1991 tty
->TN_max_pairs
= default_max_pairs
;
1992 tty
->TN_no_color_video
= default_no_color_video
;
1996 /* Setup one of the standard tty color schemes according to MODE.
1997 MODE's value is generally the number of colors which we want to
1998 support; zero means set up for the default capabilities, the ones
1999 we saw at term_init time; -1 means turn off color support. */
2001 tty_setup_colors (struct tty_output
*tty
, int mode
)
2003 /* Canonicalize all negative values of MODE. */
2009 case -1: /* no colors at all */
2010 tty
->TN_max_colors
= 0;
2011 tty
->TN_max_pairs
= 0;
2012 tty
->TN_no_color_video
= 0;
2013 tty
->TS_set_foreground
= tty
->TS_set_background
= tty
->TS_orig_pair
= NULL
;
2015 case 0: /* default colors, if any */
2017 tty_default_color_capabilities (tty
, 0);
2019 case 8: /* 8 standard ANSI colors */
2020 tty
->TS_orig_pair
= "\033[0m";
2022 tty
->TS_set_foreground
= "\033[3%p1%dm";
2023 tty
->TS_set_background
= "\033[4%p1%dm";
2025 tty
->TS_set_foreground
= "\033[3%dm";
2026 tty
->TS_set_background
= "\033[4%dm";
2028 tty
->TN_max_colors
= 8;
2029 tty
->TN_max_pairs
= 64;
2030 tty
->TN_no_color_video
= 0;
2036 set_tty_color_mode (f
, val
)
2040 Lisp_Object color_mode_spec
, current_mode_spec
;
2041 Lisp_Object color_mode
, current_mode
;
2043 extern Lisp_Object Qtty_color_mode
;
2044 Lisp_Object tty_color_mode_alist
;
2046 tty_color_mode_alist
= Fintern_soft (build_string ("tty-color-mode-alist"),
2053 if (NILP (tty_color_mode_alist
))
2054 color_mode_spec
= Qnil
;
2056 color_mode_spec
= Fassq (val
, XSYMBOL (tty_color_mode_alist
)->value
);
2058 if (CONSP (color_mode_spec
))
2059 color_mode
= XCDR (color_mode_spec
);
2064 current_mode_spec
= assq_no_quit (Qtty_color_mode
, f
->param_alist
);
2066 if (CONSP (current_mode_spec
))
2067 current_mode
= XCDR (current_mode_spec
);
2069 current_mode
= Qnil
;
2070 if (INTEGERP (color_mode
))
2071 mode
= XINT (color_mode
);
2073 mode
= 0; /* meaning default */
2074 if (INTEGERP (current_mode
))
2075 old_mode
= XINT (current_mode
);
2079 if (mode
!= old_mode
)
2081 tty_setup_colors (FRAME_TTY (f
), mode
);
2082 /* This recomputes all the faces given the new color
2084 call0 (intern ("tty-set-up-initial-frame-faces"));
2089 #endif /* !WINDOWSNT */
2094 get_named_tty (name
)
2097 struct tty_output
*tty
= tty_list
;
2100 if ((tty
->name
== 0 && name
== 0)
2101 || (name
&& tty
->name
&& !strcmp (tty
->name
, name
)))
2110 /***********************************************************************
2112 ***********************************************************************/
2115 term_dummy_init (void)
2117 if (initialized
|| tty_list
)
2118 error ("tty already initialized");
2120 tty_list
= xmalloc (sizeof (struct tty_output
));
2121 bzero (tty_list
, sizeof (struct tty_output
));
2122 TTY_NAME (tty_list
) = 0;
2123 TTY_INPUT (tty_list
) = stdin
;
2124 TTY_OUTPUT (tty_list
) = stdout
;
2130 term_init (Lisp_Object frame
, char *name
, char *terminal_type
)
2133 char **address
= &area
;
2134 char *buffer
= NULL
;
2135 int buffer_size
= 4096;
2138 struct frame
*f
= XFRAME (frame
);
2139 struct tty_output
*tty
;
2141 tty
= get_named_tty (name
);
2144 /* Return the previously initialized terminal, except if it is
2145 the dummy terminal created for the initial frame. */
2151 tty
= (struct tty_output
*) xmalloc (sizeof (struct tty_output
));
2152 bzero (tty
, sizeof (struct tty_output
));
2153 tty
->next
= tty_list
;
2158 tty
->Wcm
= (struct cm
*) xmalloc (sizeof (struct cm
));
2160 /* Make sure the frame is live; if an error happens, it must be
2162 f
->output_method
= output_termcap
;
2163 f
->output_data
.tty
= tty
;
2169 fd
= emacs_open (name
, O_RDWR
, 0);
2173 error ("Could not open file: %s", name
);
2175 file
= fdopen (fd
, "w+");
2176 TTY_NAME (tty
) = xstrdup (name
);
2177 TTY_INPUT (tty
) = file
;
2178 TTY_OUTPUT (tty
) = file
;
2183 TTY_INPUT (tty
) = stdin
;
2184 TTY_OUTPUT (tty
) = stdout
;
2187 TTY_TYPE (tty
) = xstrdup (terminal_type
);
2190 initialize_w32_display ();
2194 area
= (char *) xmalloc (2044);
2196 FrameRows
= FRAME_LINES (f
);
2197 FrameCols
= FRAME_COLS (f
);
2198 specified_window
= FRAME_LINES (f
);
2200 delete_in_insert_mode
= 1;
2203 TTY_SCROLL_REGION_OK (tty
) = 0;
2205 /* Seems to insert lines when it's not supposed to, messing
2206 up the display. In doing a trace, it didn't seem to be
2207 called much, so I don't think we're losing anything by
2209 TTY_LINE_INS_DEL_OK (tty
) = 0;
2211 TTY_CHAR_INS_DEL_OK (tty
) = 1;
2215 FRAME_CAN_HAVE_SCROLL_BARS (f
) = 0;
2216 FRAME_VERTICAL_SCROLL_BAR_TYPE (f
) = vertical_scroll_bar_none
;
2217 TN_max_colors
= 16; /* Required to be non-zero for tty-display-color-p */
2220 #else /* not WINDOWSNT */
2224 buffer
= (char *) xmalloc (buffer_size
);
2225 status
= tgetent (buffer
, terminal_type
);
2233 error ("Cannot open terminfo database file");
2236 fatal ("Cannot open terminfo database file");
2242 error ("Cannot open termcap database file");
2245 fatal ("Cannot open termcap database file");
2255 error ("Terminal type %s is not defined", terminal_type
);
2258 fatal ("Terminal type %s is not defined.\n\
2259 If that is not the actual type of terminal you have,\n\
2260 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
2261 `setenv TERM ...') to specify the correct type. It may be necessary\n\
2262 to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
2269 error ("Terminal type %s is not defined", terminal_type
);
2272 fatal ("Terminal type %s is not defined.\n\
2273 If that is not the actual type of terminal you have,\n\
2274 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
2275 `setenv TERM ...') to specify the correct type. It may be necessary\n\
2276 to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
2282 if (strlen (buffer
) >= buffer_size
)
2284 buffer_size
= strlen (buffer
);
2286 area
= (char *) xmalloc (buffer_size
);
2288 tty
->TS_ins_line
= tgetstr ("al", address
);
2289 tty
->TS_ins_multi_lines
= tgetstr ("AL", address
);
2290 tty
->TS_bell
= tgetstr ("bl", address
);
2291 BackTab (tty
) = tgetstr ("bt", address
);
2292 tty
->TS_clr_to_bottom
= tgetstr ("cd", address
);
2293 tty
->TS_clr_line
= tgetstr ("ce", address
);
2294 tty
->TS_clr_frame
= tgetstr ("cl", address
);
2295 ColPosition (tty
) = NULL
; /* tgetstr ("ch", address); */
2296 AbsPosition (tty
) = tgetstr ("cm", address
);
2297 CR (tty
) = tgetstr ("cr", address
);
2298 tty
->TS_set_scroll_region
= tgetstr ("cs", address
);
2299 tty
->TS_set_scroll_region_1
= tgetstr ("cS", address
);
2300 RowPosition (tty
) = tgetstr ("cv", address
);
2301 tty
->TS_del_char
= tgetstr ("dc", address
);
2302 tty
->TS_del_multi_chars
= tgetstr ("DC", address
);
2303 tty
->TS_del_line
= tgetstr ("dl", address
);
2304 tty
->TS_del_multi_lines
= tgetstr ("DL", address
);
2305 tty
->TS_delete_mode
= tgetstr ("dm", address
);
2306 tty
->TS_end_delete_mode
= tgetstr ("ed", address
);
2307 tty
->TS_end_insert_mode
= tgetstr ("ei", address
);
2308 Home (tty
) = tgetstr ("ho", address
);
2309 tty
->TS_ins_char
= tgetstr ("ic", address
);
2310 tty
->TS_ins_multi_chars
= tgetstr ("IC", address
);
2311 tty
->TS_insert_mode
= tgetstr ("im", address
);
2312 tty
->TS_pad_inserted_char
= tgetstr ("ip", address
);
2313 tty
->TS_end_keypad_mode
= tgetstr ("ke", address
);
2314 tty
->TS_keypad_mode
= tgetstr ("ks", address
);
2315 LastLine (tty
) = tgetstr ("ll", address
);
2316 Right (tty
) = tgetstr ("nd", address
);
2317 Down (tty
) = tgetstr ("do", address
);
2319 Down (tty
) = tgetstr ("nl", address
); /* Obsolete name for "do" */
2321 /* VMS puts a carriage return before each linefeed,
2322 so it is not safe to use linefeeds. */
2323 if (Down (tty
) && Down (tty
)[0] == '\n' && Down (tty
)[1] == '\0')
2326 if (tgetflag ("bs"))
2327 Left (tty
) = "\b"; /* can't possibly be longer! */
2328 else /* (Actually, "bs" is obsolete...) */
2329 Left (tty
) = tgetstr ("le", address
);
2331 Left (tty
) = tgetstr ("bc", address
); /* Obsolete name for "le" */
2332 tty
->TS_pad_char
= tgetstr ("pc", address
);
2333 tty
->TS_repeat
= tgetstr ("rp", address
);
2334 tty
->TS_end_standout_mode
= tgetstr ("se", address
);
2335 tty
->TS_fwd_scroll
= tgetstr ("sf", address
);
2336 tty
->TS_standout_mode
= tgetstr ("so", address
);
2337 tty
->TS_rev_scroll
= tgetstr ("sr", address
);
2338 tty
->Wcm
->cm_tab
= tgetstr ("ta", address
);
2339 tty
->TS_end_termcap_modes
= tgetstr ("te", address
);
2340 tty
->TS_termcap_modes
= tgetstr ("ti", address
);
2341 Up (tty
) = tgetstr ("up", address
);
2342 tty
->TS_visible_bell
= tgetstr ("vb", address
);
2343 tty
->TS_cursor_normal
= tgetstr ("ve", address
);
2344 tty
->TS_cursor_visible
= tgetstr ("vs", address
);
2345 tty
->TS_cursor_invisible
= tgetstr ("vi", address
);
2346 tty
->TS_set_window
= tgetstr ("wi", address
);
2348 tty
->TS_enter_underline_mode
= tgetstr ("us", address
);
2349 tty
->TS_exit_underline_mode
= tgetstr ("ue", address
);
2350 tty
->TS_enter_bold_mode
= tgetstr ("md", address
);
2351 tty
->TS_enter_dim_mode
= tgetstr ("mh", address
);
2352 tty
->TS_enter_blink_mode
= tgetstr ("mb", address
);
2353 tty
->TS_enter_reverse_mode
= tgetstr ("mr", address
);
2354 tty
->TS_enter_alt_charset_mode
= tgetstr ("as", address
);
2355 tty
->TS_exit_alt_charset_mode
= tgetstr ("ae", address
);
2356 tty
->TS_exit_attribute_mode
= tgetstr ("me", address
);
2358 MultiUp (tty
) = tgetstr ("UP", address
);
2359 MultiDown (tty
) = tgetstr ("DO", address
);
2360 MultiLeft (tty
) = tgetstr ("LE", address
);
2361 MultiRight (tty
) = tgetstr ("RI", address
);
2363 /* SVr4/ANSI color suppert. If "op" isn't available, don't support
2364 color because we can't switch back to the default foreground and
2366 tty
->TS_orig_pair
= tgetstr ("op", address
);
2367 if (tty
->TS_orig_pair
)
2369 tty
->TS_set_foreground
= tgetstr ("AF", address
);
2370 tty
->TS_set_background
= tgetstr ("AB", address
);
2371 if (!tty
->TS_set_foreground
)
2374 tty
->TS_set_foreground
= tgetstr ("Sf", address
);
2375 tty
->TS_set_background
= tgetstr ("Sb", address
);
2378 tty
->TN_max_colors
= tgetnum ("Co");
2379 tty
->TN_max_pairs
= tgetnum ("pa");
2381 tty
->TN_no_color_video
= tgetnum ("NC");
2382 if (tty
->TN_no_color_video
== -1)
2383 tty
->TN_no_color_video
= 0;
2386 tty_default_color_capabilities (tty
, 1);
2388 MagicWrap (tty
) = tgetflag ("xn");
2389 /* Since we make MagicWrap terminals look like AutoWrap, we need to have
2390 the former flag imply the latter. */
2391 AutoWrap (tty
) = MagicWrap (tty
) || tgetflag ("am");
2392 TTY_MEMORY_BELOW_FRAME (tty
) = tgetflag ("db");
2393 tty
->TF_hazeltine
= tgetflag ("hz");
2394 TTY_MUST_WRITE_SPACES (tty
) = tgetflag ("in");
2395 tty
->meta_key
= tgetflag ("km") || tgetflag ("MT");
2396 tty
->TF_insmode_motion
= tgetflag ("mi");
2397 tty
->TF_standout_motion
= tgetflag ("ms");
2398 tty
->TF_underscore
= tgetflag ("ul");
2399 tty
->TF_teleray
= tgetflag ("xt");
2401 term_get_fkeys (address
);
2403 /* Get frame size from system, or else from termcap. */
2406 get_tty_size (tty
, &width
, &height
);
2407 FrameCols (tty
) = width
;
2408 FrameRows (tty
) = height
;
2411 if (FrameCols (tty
) <= 0)
2412 FrameCols (tty
) = tgetnum ("co");
2413 if (FrameRows (tty
) <= 0)
2414 FrameRows (tty
) = tgetnum ("li");
2416 if (FrameRows (tty
) < 3 || FrameCols (tty
) < 3)
2421 error ("Screen size %dx%d is too small",
2422 FrameCols (tty
), FrameRows (tty
));
2426 fatal ("Screen size %dx%d is too small",
2427 FrameCols (tty
), FrameRows (tty
));
2431 #if 0 /* This is not used anywhere. */
2432 TTY_MIN_PADDING_SPEED (tty
) = tgetnum ("pb");
2435 TabWidth (tty
) = tgetnum ("tw");
2438 /* These capabilities commonly use ^J.
2439 I don't know why, but sending them on VMS does not work;
2440 it causes following spaces to be lost, sometimes.
2441 For now, the simplest fix is to avoid using these capabilities ever. */
2442 if (Down (tty
) && Down (tty
)[0] == '\n')
2447 tty
->TS_bell
= "\07";
2449 if (!tty
->TS_fwd_scroll
)
2450 tty
->TS_fwd_scroll
= Down (tty
);
2452 PC
= tty
->TS_pad_char
? *tty
->TS_pad_char
: 0;
2454 if (TabWidth (tty
) < 0)
2457 /* Turned off since /etc/termcap seems to have :ta= for most terminals
2458 and newer termcap doc does not seem to say there is a default.
2459 if (!tty->Wcm->cm_tab)
2460 tty->Wcm->cm_tab = "\t";
2463 /* We don't support standout modes that use `magic cookies', so
2464 turn off any that do. */
2465 if (tty
->TS_standout_mode
&& tgetnum ("sg") >= 0)
2467 tty
->TS_standout_mode
= 0;
2468 tty
->TS_end_standout_mode
= 0;
2470 if (tty
->TS_enter_underline_mode
&& tgetnum ("ug") >= 0)
2472 tty
->TS_enter_underline_mode
= 0;
2473 tty
->TS_exit_underline_mode
= 0;
2476 /* If there's no standout mode, try to use underlining instead. */
2477 if (tty
->TS_standout_mode
== 0)
2479 tty
->TS_standout_mode
= tty
->TS_enter_underline_mode
;
2480 tty
->TS_end_standout_mode
= tty
->TS_exit_underline_mode
;
2483 /* If no `se' string, try using a `me' string instead.
2484 If that fails, we can't use standout mode at all. */
2485 if (tty
->TS_end_standout_mode
== 0)
2487 char *s
= tgetstr ("me", address
);
2489 tty
->TS_end_standout_mode
= s
;
2491 tty
->TS_standout_mode
= 0;
2494 if (tty
->TF_teleray
)
2496 tty
->Wcm
->cm_tab
= 0;
2497 /* We can't support standout mode, because it uses magic cookies. */
2498 tty
->TS_standout_mode
= 0;
2499 /* But that means we cannot rely on ^M to go to column zero! */
2501 /* LF can't be trusted either -- can alter hpos */
2502 /* if move at column 0 thru a line with TS_standout_mode */
2506 /* Special handling for certain terminal types known to need it */
2508 if (!strcmp (terminal_type
, "supdup"))
2510 TTY_MEMORY_BELOW_FRAME (tty
) = 1;
2511 tty
->Wcm
->cm_losewrap
= 1;
2513 if (!strncmp (terminal_type
, "c10", 3)
2514 || !strcmp (terminal_type
, "perq"))
2516 /* Supply a makeshift :wi string.
2517 This string is not valid in general since it works only
2518 for windows starting at the upper left corner;
2519 but that is all Emacs uses.
2521 This string works only if the frame is using
2522 the top of the video memory, because addressing is memory-relative.
2523 So first check the :ti string to see if that is true.
2525 It would be simpler if the :wi string could go in the termcap
2526 entry, but it can't because it is not fully valid.
2527 If it were in the termcap entry, it would confuse other programs. */
2528 if (!tty
->TS_set_window
)
2530 p
= tty
->TS_termcap_modes
;
2531 while (*p
&& strcmp (p
, "\033v "))
2534 tty
->TS_set_window
= "\033v%C %C %C %C ";
2536 /* Termcap entry often fails to have :in: flag */
2537 TTY_MUST_WRITE_SPACES (tty
) = 1;
2538 /* :ti string typically fails to have \E^G! in it */
2539 /* This limits scope of insert-char to one line. */
2540 strcpy (area
, tty
->TS_termcap_modes
);
2541 strcat (area
, "\033\007!");
2542 tty
->TS_termcap_modes
= area
;
2543 area
+= strlen (area
) + 1;
2544 p
= AbsPosition (tty
);
2545 /* Change all %+ parameters to %C, to handle
2546 values above 96 correctly for the C100. */
2549 if (p
[0] == '%' && p
[1] == '+')
2555 tty
->specified_window
= FrameRows (tty
);
2557 if (Wcm_init (tty
) == -1) /* can't do cursor motion */
2561 error ("Terminal type \"%s\" is not powerful enough to run Emacs",
2566 fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\
2567 It lacks the ability to position the cursor.\n\
2568 If that is not the actual type of terminal you have, use either the\n\
2569 DCL command `SET TERMINAL/DEVICE= ...' for DEC-compatible terminals,\n\
2570 or `define EMACS_TERM \"terminal type\"' for non-DEC terminals.",
2574 fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\
2575 It lacks the ability to position the cursor.\n\
2576 If that is not the actual type of terminal you have,\n\
2577 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
2578 `setenv TERM ...') to specify the correct type. It may be necessary\n\
2579 to do `unset TERMINFO' (C-shell: `unsetenv TERMINFO') as well.",
2581 # else /* TERMCAP */
2582 fatal ("Terminal type \"%s\" is not powerful enough to run Emacs.\n\
2583 It lacks the ability to position the cursor.\n\
2584 If that is not the actual type of terminal you have,\n\
2585 use the Bourne shell command `TERM=... export TERM' (C-shell:\n\
2586 `setenv TERM ...') to specify the correct type. It may be necessary\n\
2587 to do `unset TERMCAP' (C-shell: `unsetenv TERMCAP') as well.",
2589 # endif /* TERMINFO */
2593 if (FrameRows (tty
) <= 0 || FrameCols (tty
) <= 0)
2598 error ("The frame size has not been specified");
2601 fatal ("The frame size has not been specified");
2604 tty
->delete_in_insert_mode
2605 = tty
->TS_delete_mode
&& tty
->TS_insert_mode
2606 && !strcmp (tty
->TS_delete_mode
, tty
->TS_insert_mode
);
2608 tty
->se_is_so
= (tty
->TS_standout_mode
2609 && tty
->TS_end_standout_mode
2610 && !strcmp (tty
->TS_standout_mode
, tty
->TS_end_standout_mode
));
2612 UseTabs (tty
) = tabs_safe_p (tty
) && TabWidth (tty
) == 8;
2614 TTY_SCROLL_REGION_OK (tty
)
2616 && (tty
->TS_set_window
|| tty
->TS_set_scroll_region
|| tty
->TS_set_scroll_region_1
));
2618 TTY_LINE_INS_DEL_OK (tty
)
2619 = (((tty
->TS_ins_line
|| tty
->TS_ins_multi_lines
)
2620 && (tty
->TS_del_line
|| tty
->TS_del_multi_lines
))
2621 || (TTY_SCROLL_REGION_OK (tty
)
2622 && tty
->TS_fwd_scroll
&& tty
->TS_rev_scroll
));
2624 TTY_CHAR_INS_DEL_OK (tty
)
2625 = ((tty
->TS_ins_char
|| tty
->TS_insert_mode
2626 || tty
->TS_pad_inserted_char
|| tty
->TS_ins_multi_chars
)
2627 && (tty
->TS_del_char
|| tty
->TS_del_multi_chars
));
2629 TTY_FAST_CLEAR_END_OF_LINE (tty
) = tty
->TS_clr_line
!= 0;
2631 init_baud_rate (tty
);
2632 if (read_socket_hook
) /* Baudrate is somewhat
2633 meaningless in this case */
2636 FRAME_CAN_HAVE_SCROLL_BARS (f
) = 0;
2637 FRAME_VERTICAL_SCROLL_BAR_TYPE (f
) = vertical_scroll_bar_none
;
2639 /* Don't do this. I think termcap may still need the buffer. */
2640 /* xfree (buffer); */
2642 tty
->top_frame
= frame
;
2644 tty
->foreground_pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
2645 tty
->background_pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
2647 /* Init system terminal modes (RAW or CBREAK, etc.). */
2648 init_sys_modes (tty
);
2650 tty_set_terminal_modes (tty
);
2653 #endif /* WINDOWSNT */
2658 fatal (str
, arg1
, arg2
)
2659 char *str
, *arg1
, *arg2
;
2661 fprintf (stderr
, "emacs: ");
2662 fprintf (stderr
, str
, arg1
, arg2
);
2663 fprintf (stderr
, "\n");
2671 DEFVAR_BOOL ("system-uses-terminfo", &system_uses_terminfo
,
2672 doc
: /* Non-nil means the system uses terminfo rather than termcap.
2673 This variable can be used by terminal emulator packages. */);
2675 system_uses_terminfo
= 1;
2677 system_uses_terminfo
= 0;
2680 DEFVAR_LISP ("ring-bell-function", &Vring_bell_function
,
2681 doc
: /* Non-nil means call this function to ring the bell.
2682 The function should accept no arguments. */);
2683 Vring_bell_function
= Qnil
;
2685 defsubr (&Stty_display_color_p
);
2686 defsubr (&Stty_display_color_cells
);
2688 Fprovide (intern ("multi-tty"), Qnil
);
2691 static int deleting_tty
= 0;
2694 delete_tty (struct tty_output
*tty
)
2696 Lisp_Object tail
, frame
;
2699 /* We get a recursive call when we delete the last frame on this
2705 if (tty
== tty_list
)
2706 tty_list
= tty
->next
;
2709 struct tty_output
*p
;
2710 for (p
= tty_list
; p
&& p
->next
!= tty
; p
= p
->next
)
2714 /* This should not happen. */
2717 p
->next
= tty
->next
;
2721 FOR_EACH_FRAME (tail
, frame
)
2723 struct frame
*f
= XFRAME (frame
);
2724 if (FRAME_LIVE_P (f
) && FRAME_TTY (f
) == tty
)
2726 Fdelete_frame (frame
, Qt
);
2727 f
->output_data
.tty
= 0;
2731 reset_sys_modes (tty
);
2739 fclose (tty
->input
);
2741 fclose (tty
->output
);
2742 if (tty
->termscript
)
2743 fclose (tty
->termscript
);
2746 xfree (tty
->old_tty
);
2748 #if 0 /* XXX There is a dangling reference somewhere into this. */
2753 bzero (tty
, sizeof (struct tty_output
));
2768 /* XXX Debug function. */
2769 Lisp_Object frame
, tail
;
2770 FOR_EACH_FRAME (tail
, frame
)
2772 fprintf (stderr
, "Frame: %x\n", XFRAME (frame
));
2778 /* arch-tag: 498e7449-6f2e-45e2-91dd-b7d4ca488193
2779 (do not change this comment) */