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202 lines
7.9 KiB
C
202 lines
7.9 KiB
C
/* Flags and parameters describing terminal's characteristics.
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Copyright (C) 1985, 1986, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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This file is part of GNU Emacs.
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GNU Emacs is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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GNU Emacs is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
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/* Each termcap frame points to its own struct tty_output object in
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the output_data.tty field. The tty_output structure contains the
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information that is specific to termcap frames. */
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struct tty_output
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{
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/* The Emacs structure for the tty device this frame is on. */
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struct tty_display_info *display_info;
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/* There is nothing else here at the moment... */
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};
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/* Parameters that are shared between frames on the same tty device. */
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struct tty_display_info
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{
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struct tty_display_info *next; /* Chain of all tty devices. */
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char *name; /* The name of the device file or 0 if
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stdin/stdout. */
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char *type; /* The type of the tty. */
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/* Input/output */
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FILE *input; /* The stream to be used for terminal input.
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NULL if the terminal is suspended. */
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FILE *output; /* The stream to be used for terminal output.
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NULL if the terminal is suspended. */
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FILE *termscript; /* If nonzero, send all terminal output
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characters to this stream also. */
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struct emacs_tty *old_tty; /* The initial tty mode bits */
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int term_initted; /* 1 if we have been through init_sys_modes. */
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int reference_count; /* Number of frames that are on this display. */
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struct terminal *terminal; /* Points back to the generic terminal
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structure. This is sometimes handy. */
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/* Info on cursor positioning. */
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struct cm *Wcm;
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/* Redisplay. */
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Lisp_Object top_frame; /* The topmost frame on this tty. */
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/* The previous frame we displayed on this tty. */
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struct frame *previous_frame;
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int previous_color_mode;
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/* Strings, numbers and flags taken from the termcap entry. */
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char *TS_ins_line; /* "al" */
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char *TS_ins_multi_lines; /* "AL" (one parameter, # lines to insert) */
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char *TS_bell; /* "bl" */
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char *TS_clr_to_bottom; /* "cd" */
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char *TS_clr_line; /* "ce", clear to end of line */
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char *TS_clr_frame; /* "cl" */
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char *TS_set_scroll_region; /* "cs" (2 params, first line and last line) */
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char *TS_set_scroll_region_1; /* "cS" (4 params: total lines,
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lines above scroll region, lines below it,
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total lines again) */
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char *TS_del_char; /* "dc" */
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char *TS_del_multi_chars; /* "DC" (one parameter, # chars to delete) */
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char *TS_del_line; /* "dl" */
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char *TS_del_multi_lines; /* "DL" (one parameter, # lines to delete) */
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char *TS_delete_mode; /* "dm", enter character-delete mode */
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char *TS_end_delete_mode; /* "ed", leave character-delete mode */
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char *TS_end_insert_mode; /* "ei", leave character-insert mode */
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char *TS_ins_char; /* "ic" */
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char *TS_ins_multi_chars; /* "IC" (one parameter, # chars to insert) */
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char *TS_insert_mode; /* "im", enter character-insert mode */
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char *TS_pad_inserted_char; /* "ip". Just padding, no commands. */
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char *TS_end_keypad_mode; /* "ke" */
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char *TS_keypad_mode; /* "ks" */
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char *TS_pad_char; /* "pc", char to use as padding */
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char *TS_repeat; /* "rp" (2 params, # times to repeat
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and character to be repeated) */
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char *TS_end_standout_mode; /* "se" */
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char *TS_fwd_scroll; /* "sf" */
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char *TS_standout_mode; /* "so" */
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char *TS_rev_scroll; /* "sr" */
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char *TS_end_termcap_modes; /* "te" */
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char *TS_termcap_modes; /* "ti" */
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char *TS_visible_bell; /* "vb" */
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char *TS_cursor_normal; /* "ve" */
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char *TS_cursor_visible; /* "vs" */
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char *TS_cursor_invisible; /* "vi" */
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char *TS_set_window; /* "wi" (4 params, start and end of window,
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each as vpos and hpos) */
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char *TS_enter_bold_mode; /* "md" -- turn on bold (extra bright mode). */
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char *TS_enter_dim_mode; /* "mh" -- turn on half-bright mode. */
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char *TS_enter_blink_mode; /* "mb" -- enter blinking mode. */
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char *TS_enter_reverse_mode; /* "mr" -- enter reverse video mode. */
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char *TS_exit_underline_mode; /* "us" -- start underlining. */
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char *TS_enter_underline_mode; /* "ue" -- end underlining. */
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/* "as"/"ae" -- start/end alternate character set. Not really
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supported, yet. */
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char *TS_enter_alt_charset_mode;
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char *TS_exit_alt_charset_mode;
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char *TS_exit_attribute_mode; /* "me" -- switch appearances off. */
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/* Value of the "NC" (no_color_video) capability, or 0 if not present. */
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int TN_no_color_video;
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int TN_max_colors; /* "Co" -- number of colors. */
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/* "pa" -- max. number of color pairs on screen. Not handled yet.
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Could be a problem if not equal to TN_max_colors * TN_max_colors. */
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int TN_max_pairs;
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/* "op" -- SVr4 set default pair to its original value. */
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char *TS_orig_pair;
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/* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color.
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1 param, the color index. */
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char *TS_set_foreground;
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char *TS_set_background;
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int TF_hazeltine; /* termcap hz flag. */
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int TF_insmode_motion; /* termcap mi flag: can move while in insert mode. */
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int TF_standout_motion; /* termcap mi flag: can move while in standout mode. */
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int TF_underscore; /* termcap ul flag: _ underlines if over-struck on
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non-blank position. Must clear before writing _. */
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int TF_teleray; /* termcap xt flag: many weird consequences.
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For t1061. */
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int RPov; /* # chars to start a TS_repeat */
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int delete_in_insert_mode; /* delete mode == insert mode */
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int se_is_so; /* 1 if same string both enters and leaves
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standout mode */
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int costs_set; /* Nonzero if costs have been calculated. */
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int insert_mode; /* Nonzero when in insert mode. */
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int standout_mode; /* Nonzero when in standout mode. */
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/* 1 if should obey 0200 bit in input chars as "Meta", 2 if should
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keep 0200 bit in input chars. 0 to ignore the 0200 bit. */
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int meta_key;
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/* Size of window specified by higher levels.
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This is the number of lines, from the top of frame downwards,
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which can participate in insert-line/delete-line operations.
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Effectively it excludes the bottom frame_lines - specified_window_size
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lines from those operations. */
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int specified_window;
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/* Flag used in tty_show/hide_cursor. */
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int cursor_hidden;
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/* Nonzero means use ^S/^Q for flow control. */
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int flow_control;
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};
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/* A chain of structures for all tty devices currently in use. */
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extern struct tty_display_info *tty_list;
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#define FRAME_TTY(f) \
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((f)->output_method == output_termcap \
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? (f)->terminal->display_info.tty \
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: (abort(), (struct tty_display_info *) 0))
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#define CURTTY() FRAME_TTY (SELECTED_FRAME())
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/* arch-tag: bf9f0d49-842b-42fb-9348-ec8759b27193
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(do not change this comment) */
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