Commit | Line | Data |
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9889c728 | 1 | /* Flags and parameters describing terminal's characteristics. |
ba318903 | 2 | Copyright (C) 1985-1986, 2001-2014 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 | 33 | enum { TERMCAP_BUFFER_SIZE = 4096 }; |
1fc8eb33 | 34 | |
28d7d09f | 35 | /* Parameters that are shared between frames on the same tty device. */ |
da8e1115 | 36 | |
28d7d09f KL |
37 | struct tty_display_info |
38 | { | |
39 | struct tty_display_info *next; /* Chain of all tty devices. */ | |
d009ae66 | 40 | |
28d440ab KL |
41 | char *name; /* The name of the device file or 0 if |
42 | stdin/stdout. */ | |
43 | char *type; /* The type of the tty. */ | |
d009ae66 | 44 | |
28d440ab | 45 | /* Input/output */ |
d009ae66 | 46 | |
0b0d3e0b KL |
47 | FILE *input; /* The stream to be used for terminal input. |
48 | NULL if the terminal is suspended. */ | |
49 | FILE *output; /* The stream to be used for terminal output. | |
50 | NULL if the terminal is suspended. */ | |
d009ae66 | 51 | |
28d440ab KL |
52 | FILE *termscript; /* If nonzero, send all terminal output |
53 | characters to this stream also. */ | |
54 | ||
fca177d4 | 55 | struct emacs_tty *old_tty; /* The initial tty mode bits */ |
28d440ab | 56 | |
96c06863 PE |
57 | bool_bf term_initted : 1; /* True if we have been through |
58 | init_sys_modes. */ | |
9628b887 | 59 | |
28d7d09f | 60 | int reference_count; /* Number of frames that are on this display. */ |
3224dac1 | 61 | |
6ed8eeff | 62 | struct terminal *terminal; /* Points back to the generic terminal |
3224dac1 | 63 | structure. This is sometimes handy. */ |
6ed8eeff | 64 | |
28d7d09f | 65 | /* Info on cursor positioning. */ |
6548cf00 KL |
66 | struct cm *Wcm; |
67 | ||
9628b887 KL |
68 | /* Redisplay. */ |
69 | ||
9628b887 | 70 | Lisp_Object top_frame; /* The topmost frame on this tty. */ |
d009ae66 | 71 | |
b3e6f69c KL |
72 | /* The previous frame we displayed on this tty. */ |
73 | struct frame *previous_frame; | |
9b2cd403 | 74 | int previous_color_mode; |
9628b887 | 75 | |
7ea692f6 EZ |
76 | /* Information about the range of text currently shown in |
77 | mouse-face. */ | |
78 | Mouse_HLInfo mouse_highlight; | |
ce4bd1b0 | 79 | |
d93264c6 | 80 | /* Buffer used internally by termcap (see tgetent in the Termcap |
1fc8eb33 PE |
81 | manual). Only init_tty should use this. */ |
82 | char termcap_term_buffer[TERMCAP_BUFFER_SIZE]; | |
d93264c6 CY |
83 | |
84 | /* Buffer storing terminal description strings (see tgetstr in the | |
1fc8eb33 PE |
85 | Termcap manual). Only init_tty should use this. */ |
86 | char termcap_strings_buffer[TERMCAP_BUFFER_SIZE]; | |
d93264c6 | 87 | |
fca177d4 KL |
88 | /* Strings, numbers and flags taken from the termcap entry. */ |
89 | ||
fbceeba2 PE |
90 | const char *TS_ins_line; /* "al" */ |
91 | const char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */ | |
92 | const char *TS_bell; /* "bl" */ | |
93 | const char *TS_clr_to_bottom; /* "cd" */ | |
94 | const char *TS_clr_line; /* "ce", clear to end of line */ | |
95 | const char *TS_clr_frame; /* "cl" */ | |
96 | const char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */ | |
97 | const char *TS_set_scroll_region_1; /* "cS" (4 params: total lines, | |
fca177d4 KL |
98 | lines above scroll region, lines below it, |
99 | total lines again) */ | |
fbceeba2 PE |
100 | const char *TS_del_char; /* "dc" */ |
101 | const char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */ | |
102 | const char *TS_del_line; /* "dl" */ | |
103 | const char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */ | |
104 | const char *TS_delete_mode; /* "dm", enter character-delete mode */ | |
105 | const char *TS_end_delete_mode; /* "ed", leave character-delete mode */ | |
106 | const char *TS_end_insert_mode; /* "ei", leave character-insert mode */ | |
107 | const char *TS_ins_char; /* "ic" */ | |
108 | const char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */ | |
109 | const char *TS_insert_mode; /* "im", enter character-insert mode */ | |
110 | const char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */ | |
111 | const char *TS_end_keypad_mode; /* "ke" */ | |
112 | const char *TS_keypad_mode; /* "ks" */ | |
113 | const char *TS_pad_char; /* "pc", char to use as padding */ | |
114 | const char *TS_repeat; /* "rp" (2 params, # times to repeat | |
fca177d4 | 115 | and character to be repeated) */ |
fbceeba2 PE |
116 | const char *TS_end_standout_mode; /* "se" */ |
117 | const char *TS_fwd_scroll; /* "sf" */ | |
118 | const char *TS_standout_mode; /* "so" */ | |
119 | const char *TS_rev_scroll; /* "sr" */ | |
120 | const char *TS_end_termcap_modes; /* "te" */ | |
121 | const char *TS_termcap_modes; /* "ti" */ | |
122 | const char *TS_visible_bell; /* "vb" */ | |
123 | const char *TS_cursor_normal; /* "ve" */ | |
124 | const char *TS_cursor_visible; /* "vs" */ | |
125 | const char *TS_cursor_invisible; /* "vi" */ | |
126 | const char *TS_set_window; /* "wi" (4 params, start and end of window, | |
fca177d4 KL |
127 | each as vpos and hpos) */ |
128 | ||
fbceeba2 | 129 | const char *TS_enter_bold_mode; /* "md" -- turn on bold (extra bright mode). */ |
cd4eb164 | 130 | const char *TS_enter_italic_mode; /* "ZH" -- turn on italics mode. */ |
fbceeba2 | 131 | const char *TS_enter_dim_mode; /* "mh" -- turn on half-bright mode. */ |
fbceeba2 PE |
132 | const char *TS_enter_reverse_mode; /* "mr" -- enter reverse video mode. */ |
133 | const char *TS_exit_underline_mode; /* "us" -- start underlining. */ | |
134 | const char *TS_enter_underline_mode; /* "ue" -- end underlining. */ | |
fca177d4 KL |
135 | |
136 | /* "as"/"ae" -- start/end alternate character set. Not really | |
137 | supported, yet. */ | |
fbceeba2 PE |
138 | const char *TS_enter_alt_charset_mode; |
139 | const char *TS_exit_alt_charset_mode; | |
fca177d4 | 140 | |
fbceeba2 | 141 | const char *TS_exit_attribute_mode; /* "me" -- switch appearances off. */ |
fca177d4 KL |
142 | |
143 | /* Value of the "NC" (no_color_video) capability, or 0 if not present. */ | |
144 | int TN_no_color_video; | |
145 | ||
146 | int TN_max_colors; /* "Co" -- number of colors. */ | |
147 | ||
148 | /* "pa" -- max. number of color pairs on screen. Not handled yet. | |
149 | Could be a problem if not equal to TN_max_colors * TN_max_colors. */ | |
150 | int TN_max_pairs; | |
151 | ||
152 | /* "op" -- SVr4 set default pair to its original value. */ | |
fbceeba2 | 153 | const char *TS_orig_pair; |
fca177d4 KL |
154 | |
155 | /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color. | |
156 | 1 param, the color index. */ | |
fbceeba2 PE |
157 | const char *TS_set_foreground; |
158 | const char *TS_set_background; | |
fca177d4 KL |
159 | |
160 | int TF_hazeltine; /* termcap hz flag. */ | |
161 | int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */ | |
162 | int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */ | |
163 | int TF_underscore; /* termcap ul flag: _ underlines if over-struck on | |
164 | non-blank position. Must clear before writing _. */ | |
165 | int TF_teleray; /* termcap xt flag: many weird consequences. | |
166 | For t1061. */ | |
167 | ||
168 | int RPov; /* # chars to start a TS_repeat */ | |
169 | ||
96c06863 | 170 | bool_bf delete_in_insert_mode : 1; /* delete mode == insert mode */ |
fca177d4 | 171 | |
96c06863 | 172 | bool_bf costs_set : 1; /* True if costs have been calculated. */ |
fca177d4 | 173 | |
96c06863 PE |
174 | bool_bf insert_mode : 1; /* True when in insert mode. */ |
175 | bool_bf standout_mode : 1; /* True when in standout mode. */ | |
fca177d4 KL |
176 | |
177 | /* 1 if should obey 0200 bit in input chars as "Meta", 2 if should | |
178 | keep 0200 bit in input chars. 0 to ignore the 0200 bit. */ | |
179 | ||
180 | int meta_key; | |
181 | ||
182 | /* Size of window specified by higher levels. | |
183 | This is the number of lines, from the top of frame downwards, | |
184 | which can participate in insert-line/delete-line operations. | |
185 | ||
186 | Effectively it excludes the bottom frame_lines - specified_window_size | |
187 | lines from those operations. */ | |
188 | ||
189 | int specified_window; | |
d009ae66 | 190 | |
fca177d4 KL |
191 | /* Flag used in tty_show/hide_cursor. */ |
192 | ||
96c06863 | 193 | bool_bf cursor_hidden : 1; |
daf01701 | 194 | |
96c06863 | 195 | /* True means use ^S/^Q for flow control. */ |
daf01701 | 196 | |
96c06863 | 197 | bool_bf flow_control : 1; |
f34729ea | 198 | |
96c06863 PE |
199 | /* True means we are displaying a TTY menu on this tty. */ |
200 | bool_bf showing_menu : 1; | |
77e3b1b7 | 201 | |
96c06863 | 202 | /* True means spaces in the text must actually be output; |
77e3b1b7 | 203 | can't just skip over some columns to leave them blank. */ |
96c06863 | 204 | bool_bf must_write_spaces : 1; |
77e3b1b7 | 205 | |
96c06863 PE |
206 | /* True if TTY can insert and delete lines. */ |
207 | bool_bf line_ins_del_ok : 1; | |
77e3b1b7 | 208 | |
96c06863 PE |
209 | /* True if TTY can insert and delete chars. */ |
210 | bool_bf char_ins_del_ok : 1; | |
77e3b1b7 | 211 | |
96c06863 PE |
212 | /* True if TTY supports setting the scroll window. */ |
213 | bool_bf scroll_region_ok : 1; | |
77e3b1b7 | 214 | |
96c06863 PE |
215 | /* True if TTY remembers lines scrolled off bottom. */ |
216 | bool_bf memory_below_frame : 1; | |
77e3b1b7 DA |
217 | |
218 | /* Cost of setting the scroll window, measured in characters. */ | |
96c06863 | 219 | int scroll_region_cost; |
8a56675d KL |
220 | }; |
221 | ||
28d7d09f KL |
222 | /* A chain of structures for all tty devices currently in use. */ |
223 | extern struct tty_display_info *tty_list; | |
28d440ab KL |
224 | |
225 | ||
28d7d09f | 226 | #define FRAME_TTY(f) \ |
ce4bd1b0 EZ |
227 | (((f)->output_method == output_termcap \ |
228 | || (f)->output_method == output_msdos_raw) \ | |
6ed8eeff | 229 | ? (f)->terminal->display_info.tty \ |
1088b922 | 230 | : (emacs_abort (), (struct tty_display_info *) 0)) |
8a56675d | 231 | |
28d7d09f | 232 | #define CURTTY() FRAME_TTY (SELECTED_FRAME()) |