1 /* Flags and parameters describing terminal's characteristics.
2 Copyright (C) 1985, 1986, 2003 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU Emacs is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs; see the file COPYING. If not, write to
18 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Each termcap frame points to its own struct tty_output object in
22 the output_data.tty field. The tty_output structure contains the
23 information that is specific to termcap frames. */
27 /* The Emacs structure for the tty device this frame is on. */
28 struct tty_display_info
*display_info
;
30 /* There is nothing else here at the moment... */
33 /* Parameters that are shared between frames on the same tty device. */
35 struct tty_display_info
37 struct tty_display_info
*next
; /* Chain of all tty devices. */
39 char *name
; /* The name of the device file or 0 if
41 char *type
; /* The type of the tty. */
45 FILE *input
; /* The stream to be used for terminal input.
46 NULL if the terminal is suspended. */
47 FILE *output
; /* The stream to be used for terminal output.
48 NULL if the terminal is suspended. */
50 FILE *termscript
; /* If nonzero, send all terminal output
51 characters to this stream also. */
53 struct emacs_tty
*old_tty
; /* The initial tty mode bits */
55 int term_initted
; /* 1 if we have been through init_sys_modes. */
58 int reference_count
; /* Number of frames that are on this display. */
60 struct display
*display
; /* Points back to the generic display
61 structure. This is sometimes handy. */
63 /* Info on cursor positioning. */
68 Lisp_Object top_frame
; /* The topmost frame on this tty. */
70 /* The previous terminal frame we displayed on this tty. */
71 struct frame
*previous_terminal_frame
;
74 /* The terminal's keyboard object. */
75 struct kboard
*kboard
;
78 /* Strings, numbers and flags taken from the termcap entry. */
80 char *TS_ins_line
; /* "al" */
81 char *TS_ins_multi_lines
; /* "AL" (one parameter, # lines to insert) */
82 char *TS_bell
; /* "bl" */
83 char *TS_clr_to_bottom
; /* "cd" */
84 char *TS_clr_line
; /* "ce", clear to end of line */
85 char *TS_clr_frame
; /* "cl" */
86 char *TS_set_scroll_region
; /* "cs" (2 params, first line and last line) */
87 char *TS_set_scroll_region_1
; /* "cS" (4 params: total lines,
88 lines above scroll region, lines below it,
90 char *TS_del_char
; /* "dc" */
91 char *TS_del_multi_chars
; /* "DC" (one parameter, # chars to delete) */
92 char *TS_del_line
; /* "dl" */
93 char *TS_del_multi_lines
; /* "DL" (one parameter, # lines to delete) */
94 char *TS_delete_mode
; /* "dm", enter character-delete mode */
95 char *TS_end_delete_mode
; /* "ed", leave character-delete mode */
96 char *TS_end_insert_mode
; /* "ei", leave character-insert mode */
97 char *TS_ins_char
; /* "ic" */
98 char *TS_ins_multi_chars
; /* "IC" (one parameter, # chars to insert) */
99 char *TS_insert_mode
; /* "im", enter character-insert mode */
100 char *TS_pad_inserted_char
; /* "ip". Just padding, no commands. */
101 char *TS_end_keypad_mode
; /* "ke" */
102 char *TS_keypad_mode
; /* "ks" */
103 char *TS_pad_char
; /* "pc", char to use as padding */
104 char *TS_repeat
; /* "rp" (2 params, # times to repeat
105 and character to be repeated) */
106 char *TS_end_standout_mode
; /* "se" */
107 char *TS_fwd_scroll
; /* "sf" */
108 char *TS_standout_mode
; /* "so" */
109 char *TS_rev_scroll
; /* "sr" */
110 char *TS_end_termcap_modes
; /* "te" */
111 char *TS_termcap_modes
; /* "ti" */
112 char *TS_visible_bell
; /* "vb" */
113 char *TS_cursor_normal
; /* "ve" */
114 char *TS_cursor_visible
; /* "vs" */
115 char *TS_cursor_invisible
; /* "vi" */
116 char *TS_set_window
; /* "wi" (4 params, start and end of window,
117 each as vpos and hpos) */
119 char *TS_enter_bold_mode
; /* "md" -- turn on bold (extra bright mode). */
120 char *TS_enter_dim_mode
; /* "mh" -- turn on half-bright mode. */
121 char *TS_enter_blink_mode
; /* "mb" -- enter blinking mode. */
122 char *TS_enter_reverse_mode
; /* "mr" -- enter reverse video mode. */
123 char *TS_exit_underline_mode
; /* "us" -- start underlining. */
124 char *TS_enter_underline_mode
; /* "ue" -- end underlining. */
126 /* "as"/"ae" -- start/end alternate character set. Not really
128 char *TS_enter_alt_charset_mode
;
129 char *TS_exit_alt_charset_mode
;
131 char *TS_exit_attribute_mode
; /* "me" -- switch appearances off. */
133 /* Value of the "NC" (no_color_video) capability, or 0 if not present. */
134 int TN_no_color_video
;
136 int TN_max_colors
; /* "Co" -- number of colors. */
138 /* "pa" -- max. number of color pairs on screen. Not handled yet.
139 Could be a problem if not equal to TN_max_colors * TN_max_colors. */
142 /* "op" -- SVr4 set default pair to its original value. */
145 /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color.
146 1 param, the color index. */
147 char *TS_set_foreground
;
148 char *TS_set_background
;
150 int TF_hazeltine
; /* termcap hz flag. */
151 int TF_insmode_motion
; /* termcap mi flag: can move while in insert mode. */
152 int TF_standout_motion
; /* termcap mi flag: can move while in standout mode. */
153 int TF_underscore
; /* termcap ul flag: _ underlines if over-struck on
154 non-blank position. Must clear before writing _. */
155 int TF_teleray
; /* termcap xt flag: many weird consequences.
158 int RPov
; /* # chars to start a TS_repeat */
160 int delete_in_insert_mode
; /* delete mode == insert mode */
162 int se_is_so
; /* 1 if same string both enters and leaves
165 int costs_set
; /* Nonzero if costs have been calculated. */
167 int insert_mode
; /* Nonzero when in insert mode. */
168 int standout_mode
; /* Nonzero when in standout mode. */
172 /* 1 if should obey 0200 bit in input chars as "Meta", 2 if should
173 keep 0200 bit in input chars. 0 to ignore the 0200 bit. */
177 /* Size of window specified by higher levels.
178 This is the number of lines, from the top of frame downwards,
179 which can participate in insert-line/delete-line operations.
181 Effectively it excludes the bottom frame_lines - specified_window_size
182 lines from those operations. */
184 int specified_window
;
186 /* Flag used in tty_show/hide_cursor. */
190 /* Nonzero means use ^S/^Q for flow control. */
195 /* A chain of structures for all tty devices currently in use. */
196 extern struct tty_display_info
*tty_list
;
199 #define FRAME_TTY(f) \
200 ((f)->output_method == output_termcap \
201 ? (f)->display->display_info.tty \
202 : (abort(), (struct tty_display_info *) 0))
204 #define CURTTY() FRAME_TTY (SELECTED_FRAME())
206 /* arch-tag: bf9f0d49-842b-42fb-9348-ec8759b27193
207 (do not change this comment) */