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9889c728 | 1 | /* Flags and parameters describing terminal's characteristics. |
fca177d4 | 2 | Copyright (C) 1985, 1986, 2003 Free Software Foundation, Inc. |
9889c728 JB |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
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 | |
7c938215 | 8 | the Free Software Foundation; either version 2, or (at your option) |
9889c728 JB |
9 | any later version. |
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 | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
9889c728 | 20 | |
28d440ab KL |
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. */ | |
24 | struct tty_output | |
8a56675d | 25 | { |
28d440ab KL |
26 | char *name; /* The name of the device file or 0 if |
27 | stdin/stdout. */ | |
28 | char *type; /* The type of the tty. */ | |
29 | ||
30 | /* Input/output */ | |
31 | ||
32 | FILE *input; /* The stream to be used for terminal input. */ | |
33 | FILE *output; /* The stream to be used for terminal output. */ | |
34 | ||
35 | FILE *termscript; /* If nonzero, send all terminal output | |
36 | characters to this stream also. */ | |
37 | ||
fca177d4 | 38 | struct emacs_tty *old_tty; /* The initial tty mode bits */ |
28d440ab KL |
39 | |
40 | int term_initted; /* 1 if we have been through init_sys_modes. */ | |
9628b887 KL |
41 | |
42 | ||
6548cf00 KL |
43 | /* Structure for info on cursor positioning. */ |
44 | ||
45 | struct cm *Wcm; | |
46 | ||
9628b887 KL |
47 | /* Redisplay. */ |
48 | ||
fca177d4 | 49 | /* XXX GC does not know about this; is this a problem? */ |
9628b887 | 50 | Lisp_Object top_frame; /* The topmost frame on this tty. */ |
28d440ab | 51 | |
9628b887 KL |
52 | /* The previous terminal frame we displayed on this tty. */ |
53 | struct frame *previous_terminal_frame; | |
54 | ||
28d440ab KL |
55 | /* Pixel values. |
56 | XXX What are these used for? */ | |
57 | ||
58 | unsigned long background_pixel; | |
59 | unsigned long foreground_pixel; | |
60 | ||
61 | /* Terminal characteristics. */ | |
8a56675d | 62 | |
8a56675d KL |
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 */ | |
67 | ||
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 | |
71 | window */ | |
72 | int scroll_region_cost; /* Cost of setting the scroll window, | |
73 | measured in characters. */ | |
74 | int memory_below_frame; /* Terminal remembers lines scrolled | |
75 | off bottom */ | |
9889c728 | 76 | |
8a56675d | 77 | #if 0 /* These are not used anywhere. */ |
28d440ab | 78 | /* EMACS_INT baud_rate; */ /* Output speed in baud */ |
8a56675d KL |
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. */ | |
82 | #endif | |
28d440ab | 83 | |
fca177d4 KL |
84 | /* Strings, numbers and flags taken from the termcap entry. */ |
85 | ||
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, | |
95 | total lines again) */ | |
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) */ | |
124 | ||
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. */ | |
131 | ||
132 | /* "as"/"ae" -- start/end alternate character set. Not really | |
133 | supported, yet. */ | |
134 | char *TS_enter_alt_charset_mode; | |
135 | char *TS_exit_alt_charset_mode; | |
136 | ||
137 | char *TS_exit_attribute_mode; /* "me" -- switch appearances off. */ | |
138 | ||
139 | /* Value of the "NC" (no_color_video) capability, or 0 if not present. */ | |
140 | int TN_no_color_video; | |
141 | ||
142 | int TN_max_colors; /* "Co" -- number of colors. */ | |
143 | ||
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. */ | |
146 | int TN_max_pairs; | |
147 | ||
148 | /* "op" -- SVr4 set default pair to its original value. */ | |
149 | char *TS_orig_pair; | |
150 | ||
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; | |
155 | ||
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. | |
162 | For t1061. */ | |
163 | ||
164 | int RPov; /* # chars to start a TS_repeat */ | |
165 | ||
166 | int delete_in_insert_mode; /* delete mode == insert mode */ | |
167 | ||
168 | int se_is_so; /* 1 if same string both enters and leaves | |
169 | standout mode */ | |
170 | ||
171 | int costs_set; /* Nonzero if costs have been calculated. */ | |
172 | ||
173 | int insert_mode; /* Nonzero when in insert mode. */ | |
174 | int standout_mode; /* Nonzero when in standout mode. */ | |
175 | ||
176 | ||
177 | ||
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. */ | |
180 | ||
181 | int meta_key; | |
182 | ||
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. | |
186 | ||
187 | Effectively it excludes the bottom frame_lines - specified_window_size | |
188 | lines from those operations. */ | |
189 | ||
190 | int specified_window; | |
191 | ||
192 | /* Flag used in tty_show/hide_cursor. */ | |
193 | ||
194 | int cursor_hidden; | |
195 | ||
196 | ||
28d440ab | 197 | struct tty_output *next; |
8a56675d KL |
198 | }; |
199 | ||
28d440ab KL |
200 | extern struct tty_output *tty_list; |
201 | ||
202 | ||
203 | #define FRAME_TTY(f) \ | |
204 | ((f)->output_method == output_termcap \ | |
205 | ? (f)->output_data.tty : (abort(), (struct tty_output *) 0)) | |
206 | ||
207 | #define CURTTY() FRAME_TTY (SELECTED_FRAME()) | |
8a56675d | 208 | |
28d440ab KL |
209 | #define TTY_NAME(t) ((t)->name) |
210 | #define TTY_TYPE(t) ((t)->type) | |
8a56675d | 211 | |
28d440ab KL |
212 | #define TTY_INPUT(t) ((t)->input) |
213 | #define TTY_OUTPUT(t) ((t)->output) | |
214 | #define TTY_TERMSCRIPT(t) ((t)->termscript) | |
8a56675d | 215 | |
28d440ab KL |
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) | |
8a56675d KL |
223 | |
224 | #if 0 | |
225 | /* These are not used anywhere. */ | |
28d440ab KL |
226 | #define TTY_MIN_PADDING_SPEED(t) ((t)->min_padding_speed) |
227 | #define TTY_DONT_CALCULATE_COSTS(t) ((t)->dont_calculate_costs) | |
8a56675d | 228 | #endif |
ab5796a9 MB |
229 | |
230 | /* arch-tag: bf9f0d49-842b-42fb-9348-ec8759b27193 | |
231 | (do not change this comment) */ |