termchar.h 7.91 KB
Newer Older
Jim Blandy's avatar
Jim Blandy committed
1
/* Flags and parameters describing terminal's characteristics.
2 3
   Copyright (C) 1985, 1986, 2002, 2003, 2004,
                 2005 Free Software Foundation, Inc.
Jim Blandy's avatar
Jim Blandy committed
4 5 6 7 8

This file is part of GNU Emacs.

GNU Emacs is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
Karl Heuer's avatar
Karl Heuer committed
9
the Free Software Foundation; either version 2, or (at your option)
Jim Blandy's avatar
Jim Blandy committed
10 11 12 13 14 15 16 17 18
any later version.

GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with GNU Emacs; see the file COPYING.  If not, write to
Lute Kamstra's avatar
Lute Kamstra committed
19 20
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.  */
Jim Blandy's avatar
Jim Blandy committed
21

22 23 24
/* Each termcap frame points to its own struct tty_output object in
   the output_data.tty field.  The tty_output structure contains the
   information that is specific to termcap frames. */
25

26
struct tty_output
27
{
28 29 30 31 32 33 34
  /* The Emacs structure for the tty device this frame is on. */
  struct tty_display_info *display_info;

  /* There is nothing else here at the moment... */
};

/* Parameters that are shared between frames on the same tty device. */
35

36 37 38 39
struct tty_display_info
{
  struct tty_display_info *next; /* Chain of all tty devices. */
  
40 41 42 43 44 45
  char *name;                   /* The name of the device file or 0 if
                                   stdin/stdout. */
  char *type;                   /* The type of the tty. */
  
  /* Input/output */
  
46 47 48 49
  FILE *input;                  /* The stream to be used for terminal input.
                                   NULL if the terminal is suspended. */
  FILE *output;                 /* The stream to be used for terminal output.
                                   NULL if the terminal is suspended. */
50 51 52 53
  
  FILE *termscript;             /* If nonzero, send all terminal output
                                   characters to this stream also.  */

54
  struct emacs_tty *old_tty;    /* The initial tty mode bits */
55 56

  int term_initted;             /* 1 if we have been through init_sys_modes. */
57 58


59
  int reference_count;          /* Number of frames that are on this display. */
60

61
  struct device *device;        /* Points back to the generic display device
62
                                   structure.  This is sometimes handy. */
63 64
  
  /* Info on cursor positioning.  */
65 66
  struct cm *Wcm;

67 68 69
  /* Redisplay. */

  Lisp_Object top_frame;        /* The topmost frame on this tty. */
70
  
71 72 73
  /* The previous terminal frame we displayed on this tty.  */
  struct frame *previous_terminal_frame;

74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
  /* Strings, numbers and flags taken from the termcap entry.  */

  char *TS_ins_line;		/* "al" */
  char *TS_ins_multi_lines;	/* "AL" (one parameter, # lines to insert) */
  char *TS_bell;                /* "bl" */
  char *TS_clr_to_bottom;       /* "cd" */
  char *TS_clr_line;		/* "ce", clear to end of line */
  char *TS_clr_frame;		/* "cl" */
  char *TS_set_scroll_region;	/* "cs" (2 params, first line and last line) */
  char *TS_set_scroll_region_1; /* "cS" (4 params: total lines,
                                   lines above scroll region, lines below it,
                                   total lines again) */
  char *TS_del_char;		/* "dc" */
  char *TS_del_multi_chars;	/* "DC" (one parameter, # chars to delete) */
  char *TS_del_line;		/* "dl" */
  char *TS_del_multi_lines;	/* "DL" (one parameter, # lines to delete) */
  char *TS_delete_mode;		/* "dm", enter character-delete mode */
  char *TS_end_delete_mode;	/* "ed", leave character-delete mode */
  char *TS_end_insert_mode;	/* "ei", leave character-insert mode */
  char *TS_ins_char;		/* "ic" */
  char *TS_ins_multi_chars;	/* "IC" (one parameter, # chars to insert) */
  char *TS_insert_mode;		/* "im", enter character-insert mode */
  char *TS_pad_inserted_char;	/* "ip".  Just padding, no commands.  */
  char *TS_end_keypad_mode;	/* "ke" */
  char *TS_keypad_mode;		/* "ks" */
  char *TS_pad_char;		/* "pc", char to use as padding */
  char *TS_repeat;		/* "rp" (2 params, # times to repeat
				   and character to be repeated) */
  char *TS_end_standout_mode;	/* "se" */
  char *TS_fwd_scroll;		/* "sf" */
  char *TS_standout_mode;       /* "so" */
  char *TS_rev_scroll;          /* "sr" */
  char *TS_end_termcap_modes;   /* "te" */
  char *TS_termcap_modes;       /* "ti" */
  char *TS_visible_bell;        /* "vb" */
  char *TS_cursor_normal;       /* "ve" */
  char *TS_cursor_visible;      /* "vs" */
  char *TS_cursor_invisible;    /* "vi" */
  char *TS_set_window;          /* "wi" (4 params, start and end of window,
                                   each as vpos and hpos) */

  char *TS_enter_bold_mode;     /* "md" -- turn on bold (extra bright mode).  */
  char *TS_enter_dim_mode;      /* "mh" -- turn on half-bright mode.  */
  char *TS_enter_blink_mode;    /* "mb" -- enter blinking mode.  */
  char *TS_enter_reverse_mode;  /* "mr" -- enter reverse video mode.  */
  char *TS_exit_underline_mode; /* "us" -- start underlining.  */
  char *TS_enter_underline_mode; /* "ue" -- end underlining.  */

  /* "as"/"ae" -- start/end alternate character set.  Not really
     supported, yet.  */
  char *TS_enter_alt_charset_mode;
  char *TS_exit_alt_charset_mode;

  char *TS_exit_attribute_mode; /* "me" -- switch appearances off.  */

  /* Value of the "NC" (no_color_video) capability, or 0 if not present.  */
  int TN_no_color_video;

  int TN_max_colors;            /* "Co" -- number of colors.  */

  /* "pa" -- max. number of color pairs on screen.  Not handled yet.
     Could be a problem if not equal to TN_max_colors * TN_max_colors.  */
  int TN_max_pairs;

  /* "op" -- SVr4 set default pair to its original value.  */
  char *TS_orig_pair;

  /* "AF"/"AB" or "Sf"/"Sb"-- set ANSI or SVr4 foreground/background color.
     1 param, the color index.  */
  char *TS_set_foreground;
  char *TS_set_background;

  int TF_hazeltine;             /* termcap hz flag. */
  int TF_insmode_motion;        /* termcap mi flag: can move while in insert mode. */
  int TF_standout_motion;       /* termcap mi flag: can move while in standout mode. */
  int TF_underscore;            /* termcap ul flag: _ underlines if over-struck on
                                   non-blank position.  Must clear before writing _.  */
  int TF_teleray;               /* termcap xt flag: many weird consequences.
                                   For t1061. */

  int RPov;                     /* # chars to start a TS_repeat */

  int delete_in_insert_mode;    /* delete mode == insert mode */
  
  int se_is_so;                 /* 1 if same string both enters and leaves
                                   standout mode */
  
  int costs_set;                /* Nonzero if costs have been calculated. */
  
  int insert_mode;              /* Nonzero when in insert mode.  */
  int standout_mode;            /* Nonzero when in standout mode.  */



  /* 1 if should obey 0200 bit in input chars as "Meta", 2 if should
     keep 0200 bit in input chars.  0 to ignore the 0200 bit.  */

  int meta_key;

  /* Size of window specified by higher levels.
   This is the number of lines, from the top of frame downwards,
   which can participate in insert-line/delete-line operations.

   Effectively it excludes the bottom frame_lines - specified_window_size
   lines from those operations.  */

  int specified_window;
  
  /* Flag used in tty_show/hide_cursor.  */

  int cursor_hidden;
185 186 187 188

  /* Nonzero means use ^S/^Q for flow control.  */
  int flow_control;

189 190
};

191 192
/* A chain of structures for all tty devices currently in use. */
extern struct tty_display_info *tty_list;
193 194


195 196
#define FRAME_TTY(f)                            \
  ((f)->output_method == output_termcap         \
197
   ? (f)->device->display_info.tty              \
198
   : (abort(), (struct tty_display_info *) 0))
199

200
#define CURTTY() FRAME_TTY (SELECTED_FRAME())
201

Miles Bader's avatar
Miles Bader committed
202 203
/* arch-tag: bf9f0d49-842b-42fb-9348-ec8759b27193
   (do not change this comment) */