Commit | Line | Data |
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9889c728 | 1 | /* Flags and parameters describing terminal's characteristics. |
ab422c4d | 2 | Copyright (C) 1985-1986, 2001-2013 Free Software Foundation, Inc. |
9889c728 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
9889c728 | 7 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
9889c728 JB |
10 | |
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. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
9889c728 | 18 | |
9fed9729 DA |
19 | #include "dispextern.h" |
20 | ||
28d7d09f KL |
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. */ | |
da8e1115 | 24 | |
28d440ab | 25 | struct tty_output |
8a56675d | 26 | { |
28d7d09f KL |
27 | /* The Emacs structure for the tty device this frame is on. */ |
28 | struct tty_display_info *display_info; | |
29 | ||
30 | /* There is nothing else here at the moment... */ | |
31 | }; | |
32 | ||
1fc8eb33 PE |
33 | #ifndef TERMINFO |
34 | enum { TERMCAP_BUFFER_SIZE = 4096 }; | |
35 | #endif | |
36 | ||
28d7d09f | 37 | /* Parameters that are shared between frames on the same tty device. */ |
da8e1115 | 38 | |
28d7d09f KL |
39 | struct tty_display_info |
40 | { | |
41 | struct tty_display_info *next; /* Chain of all tty devices. */ | |
d009ae66 | 42 | |
28d440ab KL |
43 | char *name; /* The name of the device file or 0 if |
44 | stdin/stdout. */ | |
45 | char *type; /* The type of the tty. */ | |
d009ae66 | 46 | |
28d440ab | 47 | /* Input/output */ |
d009ae66 | 48 | |
0b0d3e0b KL |
49 | FILE *input; /* The stream to be used for terminal input. |
50 | NULL if the terminal is suspended. */ | |
51 | FILE *output; /* The stream to be used for terminal output. | |
52 | NULL if the terminal is suspended. */ | |
d009ae66 | 53 | |
28d440ab KL |
54 | FILE *termscript; /* If nonzero, send all terminal output |
55 | characters to this stream also. */ | |
56 | ||
fca177d4 | 57 | struct emacs_tty *old_tty; /* The initial tty mode bits */ |
28d440ab | 58 | |
350f51ad | 59 | unsigned term_initted : 1; /* 1 if we have been through init_sys_modes. */ |
9628b887 | 60 | |
28d7d09f | 61 | int reference_count; /* Number of frames that are on this display. */ |
3224dac1 | 62 | |
6ed8eeff | 63 | struct terminal *terminal; /* Points back to the generic terminal |
3224dac1 | 64 | structure. This is sometimes handy. */ |
6ed8eeff | 65 | |
28d7d09f | 66 | /* Info on cursor positioning. */ |
6548cf00 KL |
67 | struct cm *Wcm; |
68 | ||
9628b887 KL |
69 | /* Redisplay. */ |
70 | ||
9628b887 | 71 | Lisp_Object top_frame; /* The topmost frame on this tty. */ |
d009ae66 | 72 | |
b3e6f69c KL |
73 | /* The previous frame we displayed on this tty. */ |
74 | struct frame *previous_frame; | |
9b2cd403 | 75 | int previous_color_mode; |
9628b887 | 76 | |
7ea692f6 EZ |
77 | /* Information about the range of text currently shown in |
78 | mouse-face. */ | |
79 | Mouse_HLInfo mouse_highlight; | |
ce4bd1b0 | 80 | |
1fc8eb33 | 81 | #ifndef TERMINFO |
d93264c6 | 82 | /* Buffer used internally by termcap (see tgetent in the Termcap |
1fc8eb33 PE |
83 | manual). Only init_tty should use this. */ |
84 | char termcap_term_buffer[TERMCAP_BUFFER_SIZE]; | |
d93264c6 CY |
85 | |
86 | /* Buffer storing terminal description strings (see tgetstr in the | |
1fc8eb33 PE |
87 | Termcap manual). Only init_tty should use this. */ |
88 | char termcap_strings_buffer[TERMCAP_BUFFER_SIZE]; | |
89 | #endif | |
d93264c6 | 90 | |
fca177d4 KL |
91 | /* Strings, numbers and flags taken from the termcap entry. */ |
92 | ||
fbceeba2 PE |
93 | const char *TS_ins_line; /* "al" */ |
94 | const char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ | |
95 | const char *TS_bell; /* "bl" */ | |
96 | const char *TS_clr_to_bottom; /* "cd" */ | |
97 | const char *TS_clr_line; /* "ce", clear to end of line */ | |
98 | const char *TS_clr_frame; /* "cl" */ | |
99 | const char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ | |
100 | const char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
fca177d4 KL |
101 | lines above scroll region, lines below it, |
102 | total lines again) */ | |
fbceeba2 PE |
103 | const char *TS_del_char; /* "dc" */ |
104 | const char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
105 | const char *TS_del_line; /* "dl" */ | |
106 | const char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
107 | const char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
108 | const char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
109 | const char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
110 | const char *TS_ins_char; /* "ic" */ | |
111 | const char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
112 | const char *TS_insert_mode; /* "im", enter character-insert mode */ | |
113 | const char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
114 | const char *TS_end_keypad_mode; /* "ke" */ | |
115 | const char *TS_keypad_mode; /* "ks" */ | |
116 | const char *TS_pad_char; /* "pc", char to use as padding */ | |
117 | const char *TS_repeat; /* "rp" (2 params, # times to repeat | |
fca177d4 | 118 | and character to be repeated) */ |
fbceeba2 PE |
119 | const char *TS_end_standout_mode; /* "se" */ |
120 | const char *TS_fwd_scroll; /* "sf" */ | |
121 | const char *TS_standout_mode; /* "so" */ | |
122 | const char *TS_rev_scroll; /* "sr" */ | |
123 | const char *TS_end_termcap_modes; /* "te" */ | |
124 | const char *TS_termcap_modes; /* "ti" */ | |
125 | const char *TS_visible_bell; /* "vb" */ | |
126 | const char *TS_cursor_normal; /* "ve" */ | |
127 | const char *TS_cursor_visible; /* "vs" */ | |
128 | const char *TS_cursor_invisible; /* "vi" */ | |
129 | const char *TS_set_window; /* "wi" (4 params, start and end of window, | |
fca177d4 KL |
130 | each as vpos and hpos) */ |
131 | ||
fbceeba2 | 132 | const char *TS_enter_bold_mode; /* "md" -- turn on bold (extra bright mode). */ |
cd4eb164 | 133 | const char *TS_enter_italic_mode; /* "ZH" -- turn on italics mode. */ |
fbceeba2 | 134 | const char *TS_enter_dim_mode; /* "mh" -- turn on half-bright mode. */ |
fbceeba2 PE |
135 | const char *TS_enter_reverse_mode; /* "mr" -- enter reverse video mode. */ |
136 | const char *TS_exit_underline_mode; /* "us" -- start underlining. */ | |
137 | const char *TS_enter_underline_mode; /* "ue" -- end underlining. */ | |
fca177d4 KL |
138 | |
139 | /* "as"/"ae" -- start/end alternate character set. Not really | |
140 | supported, yet. */ | |
fbceeba2 PE |
141 | const char *TS_enter_alt_charset_mode; |
142 | const char *TS_exit_alt_charset_mode; | |
fca177d4 | 143 | |
fbceeba2 | 144 | const char *TS_exit_attribute_mode; /* "me" -- switch appearances off. */ |
fca177d4 KL |
145 | |
146 | /* Value of the "NC" (no_color_video) capability, or 0 if not present. */ | |
147 | int TN_no_color_video; | |
148 | ||
149 | int TN_max_colors; /* "Co" -- number of colors. */ | |
150 | ||
151 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
152 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
153 | int TN_max_pairs; | |
154 | ||
155 | /* "op" -- SVr4 set default pair to its original value. */ | |
fbceeba2 | 156 | const char *TS_orig_pair; |
fca177d4 KL |
157 | |
158 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
159 | 1 param, the color index. */ | |
fbceeba2 PE |
160 | const char *TS_set_foreground; |
161 | const char *TS_set_background; | |
fca177d4 KL |
162 | |
163 | int TF_hazeltine; /* termcap hz flag. */ | |
164 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
165 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
166 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on | |
167 | non-blank position. Must clear before writing _. */ | |
168 | int TF_teleray; /* termcap xt flag: many weird consequences. | |
169 | For t1061. */ | |
170 | ||
171 | int RPov; /* # chars to start a TS_repeat */ | |
172 | ||
350f51ad | 173 | unsigned delete_in_insert_mode : 1; /* delete mode == insert mode */ |
fca177d4 | 174 | |
350f51ad | 175 | unsigned costs_set : 1; /* Nonzero if costs have been calculated. */ |
fca177d4 | 176 | |
350f51ad DA |
177 | unsigned insert_mode : 1; /* Nonzero when in insert mode. */ |
178 | unsigned standout_mode : 1; /* Nonzero when in standout mode. */ | |
fca177d4 KL |
179 | |
180 | /* 1 if should obey 0200 bit in input chars as "Meta", 2 if should | |
181 | keep 0200 bit in input chars. 0 to ignore the 0200 bit. */ | |
182 | ||
183 | int meta_key; | |
184 | ||
185 | /* Size of window specified by higher levels. | |
186 | This is the number of lines, from the top of frame downwards, | |
187 | which can participate in insert-line/delete-line operations. | |
188 | ||
189 | Effectively it excludes the bottom frame_lines - specified_window_size | |
190 | lines from those operations. */ | |
191 | ||
192 | int specified_window; | |
d009ae66 | 193 | |
fca177d4 KL |
194 | /* Flag used in tty_show/hide_cursor. */ |
195 | ||
350f51ad | 196 | unsigned cursor_hidden : 1; |
daf01701 KL |
197 | |
198 | /* Nonzero means use ^S/^Q for flow control. */ | |
daf01701 | 199 | |
350f51ad | 200 | unsigned flow_control : 1; |
8a56675d KL |
201 | }; |
202 | ||
28d7d09f KL |
203 | /* A chain of structures for all tty devices currently in use. */ |
204 | extern struct tty_display_info *tty_list; | |
28d440ab KL |
205 | |
206 | ||
28d7d09f | 207 | #define FRAME_TTY(f) \ |
ce4bd1b0 EZ |
208 | (((f)->output_method == output_termcap \ |
209 | || (f)->output_method == output_msdos_raw) \ | |
6ed8eeff | 210 | ? (f)->terminal->display_info.tty \ |
1088b922 | 211 | : (emacs_abort (), (struct tty_display_info *) 0)) |
8a56675d | 212 | |
28d7d09f | 213 | #define CURTTY() FRAME_TTY (SELECTED_FRAME()) |