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 the
22 output_data.tty field. The tty_output structure contains the information
23 that is specific to terminals. */
26 char *name
; /* The name of the device file or 0 if
28 char *type
; /* The type of the tty. */
32 FILE *input
; /* The stream to be used for terminal input. */
33 FILE *output
; /* The stream to be used for terminal output. */
35 FILE *termscript
; /* If nonzero, send all terminal output
36 characters to this stream also. */
38 struct emacs_tty
*old_tty
; /* The initial tty mode bits */
40 int term_initted
; /* 1 if we have been through init_sys_modes. */
43 /* Structure for info on cursor positioning. */
49 /* XXX GC does not know about this; is this a problem? */
50 Lisp_Object top_frame
; /* The topmost frame on this tty. */
52 /* The previous terminal frame we displayed on this tty. */
53 struct frame
*previous_terminal_frame
;
56 XXX What are these used for? */
58 unsigned long background_pixel
;
59 unsigned long foreground_pixel
;
61 /* Terminal characteristics. */
63 int must_write_spaces
; /* Nonzero means spaces in the text must
64 actually be output; can't just skip over
65 some columns to leave them blank. */
66 int fast_clear_end_of_line
; /* Nonzero means terminal has a `ce' string */
68 int line_ins_del_ok
; /* Terminal can insert and delete lines */
69 int char_ins_del_ok
; /* Terminal can insert and delete chars */
70 int scroll_region_ok
; /* Terminal supports setting the scroll
72 int scroll_region_cost
; /* Cost of setting the scroll window,
73 measured in characters. */
74 int memory_below_frame
; /* Terminal remembers lines scrolled
77 #if 0 /* These are not used anywhere. */
78 /* EMACS_INT baud_rate; */ /* Output speed in baud */
79 int min_padding_speed
; /* Speed below which no padding necessary. */
80 int dont_calculate_costs
; /* Nonzero means don't bother computing
81 various cost tables; we won't use them. */
84 /* Strings, numbers and flags taken from the termcap entry. */
86 char *TS_ins_line
; /* "al" */
87 char *TS_ins_multi_lines
; /* "AL" (one parameter, # lines to insert) */
88 char *TS_bell
; /* "bl" */
89 char *TS_clr_to_bottom
; /* "cd" */
90 char *TS_clr_line
; /* "ce", clear to end of line */
91 char *TS_clr_frame
; /* "cl" */
92 char *TS_set_scroll_region
; /* "cs" (2 params, first line and last line) */
93 char *TS_set_scroll_region_1
; /* "cS" (4 params: total lines,
94 lines above scroll region, lines below it,
96 char *TS_del_char
; /* "dc" */
97 char *TS_del_multi_chars
; /* "DC" (one parameter, # chars to delete) */
98 char *TS_del_line
; /* "dl" */
99 char *TS_del_multi_lines
; /* "DL" (one parameter, # lines to delete) */
100 char *TS_delete_mode
; /* "dm", enter character-delete mode */
101 char *TS_end_delete_mode
; /* "ed", leave character-delete mode */
102 char *TS_end_insert_mode
; /* "ei", leave character-insert mode */
103 char *TS_ins_char
; /* "ic" */
104 char *TS_ins_multi_chars
; /* "IC" (one parameter, # chars to insert) */
105 char *TS_insert_mode
; /* "im", enter character-insert mode */
106 char *TS_pad_inserted_char
; /* "ip". Just padding, no commands. */
107 char *TS_end_keypad_mode
; /* "ke" */
108 char *TS_keypad_mode
; /* "ks" */
109 char *TS_pad_char
; /* "pc", char to use as padding */
110 char *TS_repeat
; /* "rp" (2 params, # times to repeat
111 and character to be repeated) */
112 char *TS_end_standout_mode
; /* "se" */
113 char *TS_fwd_scroll
; /* "sf" */
114 char *TS_standout_mode
; /* "so" */
115 char *TS_rev_scroll
; /* "sr" */
116 char *TS_end_termcap_modes
; /* "te" */
117 char *TS_termcap_modes
; /* "ti" */
118 char *TS_visible_bell
; /* "vb" */
119 char *TS_cursor_normal
; /* "ve" */
120 char *TS_cursor_visible
; /* "vs" */
121 char *TS_cursor_invisible
; /* "vi" */
122 char *TS_set_window
; /* "wi" (4 params, start and end of window,
123 each as vpos and hpos) */
125 char *TS_enter_bold_mode
; /* "md" -- turn on bold (extra bright mode). */
126 char *TS_enter_dim_mode
; /* "mh" -- turn on half-bright mode. */
127 char *TS_enter_blink_mode
; /* "mb" -- enter blinking mode. */
128 char *TS_enter_reverse_mode
; /* "mr" -- enter reverse video mode. */
129 char *TS_exit_underline_mode
; /* "us" -- start underlining. */
130 char *TS_enter_underline_mode
; /* "ue" -- end underlining. */
132 /* "as"/"ae" -- start/end alternate character set. Not really
134 char *TS_enter_alt_charset_mode
;
135 char *TS_exit_alt_charset_mode
;
137 char *TS_exit_attribute_mode
; /* "me" -- switch appearances off. */
139 /* Value of the "NC" (no_color_video) capability, or 0 if not present. */
140 int TN_no_color_video
;
142 int TN_max_colors
; /* "Co" -- number of colors. */
144 /* "pa" -- max. number of color pairs on screen. Not handled yet.
145 Could be a problem if not equal to TN_max_colors * TN_max_colors. */
148 /* "op" -- SVr4 set default pair to its original value. */
151 /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color.
152 1 param, the color index. */
153 char *TS_set_foreground
;
154 char *TS_set_background
;
156 int TF_hazeltine
; /* termcap hz flag. */
157 int TF_insmode_motion
; /* termcap mi flag: can move while in insert mode. */
158 int TF_standout_motion
; /* termcap mi flag: can move while in standout mode. */
159 int TF_underscore
; /* termcap ul flag: _ underlines if over-struck on
160 non-blank position. Must clear before writing _. */
161 int TF_teleray
; /* termcap xt flag: many weird consequences.
164 int RPov
; /* # chars to start a TS_repeat */
166 int delete_in_insert_mode
; /* delete mode == insert mode */
168 int se_is_so
; /* 1 if same string both enters and leaves
171 int costs_set
; /* Nonzero if costs have been calculated. */
173 int insert_mode
; /* Nonzero when in insert mode. */
174 int standout_mode
; /* Nonzero when in standout mode. */
178 /* 1 if should obey 0200 bit in input chars as "Meta", 2 if should
179 keep 0200 bit in input chars. 0 to ignore the 0200 bit. */
183 /* Size of window specified by higher levels.
184 This is the number of lines, from the top of frame downwards,
185 which can participate in insert-line/delete-line operations.
187 Effectively it excludes the bottom frame_lines - specified_window_size
188 lines from those operations. */
190 int specified_window
;
192 /* Flag used in tty_show/hide_cursor. */
197 struct tty_output
*next
;
200 extern struct tty_output
*tty_list
;
203 #define FRAME_TTY(f) \
204 ((f)->output_method == output_termcap \
205 ? (f)->output_data.tty : (abort(), (struct tty_output *) 0))
207 #define CURTTY() FRAME_TTY (SELECTED_FRAME())
209 #define TTY_NAME(t) ((t)->name)
210 #define TTY_TYPE(t) ((t)->type)
212 #define TTY_INPUT(t) ((t)->input)
213 #define TTY_OUTPUT(t) ((t)->output)
214 #define TTY_TERMSCRIPT(t) ((t)->termscript)
216 #define TTY_MUST_WRITE_SPACES(t) ((t)->must_write_spaces)
217 #define TTY_FAST_CLEAR_END_OF_LINE(t) ((t)->fast_clear_end_of_line)
218 #define TTY_LINE_INS_DEL_OK(t) ((t)->line_ins_del_ok)
219 #define TTY_CHAR_INS_DEL_OK(t) ((t)->char_ins_del_ok)
220 #define TTY_SCROLL_REGION_OK(t) ((t)->scroll_region_ok)
221 #define TTY_SCROLL_REGION_COST(t) ((t)->scroll_region_cost)
222 #define TTY_MEMORY_BELOW_FRAME(t) ((t)->memory_below_frame)
225 /* These are not used anywhere. */
226 #define TTY_MIN_PADDING_SPEED(t) ((t)->min_padding_speed)
227 #define TTY_DONT_CALCULATE_COSTS(t) ((t)->dont_calculate_costs)
230 /* arch-tag: bf9f0d49-842b-42fb-9348-ec8759b27193
231 (do not change this comment) */