src/termchar.h

   1 /* Flags and parameters describing terminal's characteristics.
   2    Copyright (C) 1985, 1986 Free Software Foundation, Inc.
   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
   8 the Free Software Foundation; either version 1, or (at your option)
   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
  18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20
  21 extern int baud_rate;           /* Output speed in baud */
  22 extern int screen_width;        /* Number of usable columns */
  23 extern int screen_height;       /* Number of lines */
  24 extern int must_write_spaces;   /* Nonzero means spaces in the text
  25                                    must actually be output; can't just skip
  26                                    over some columns to leave them blank.  */
  27 extern int min_padding_speed;   /* Speed below which no padding necessary */
  28 extern int fast_clear_end_of_line; /* Nonzero means terminal has
  29                                       command for this */
  30
  31 extern int line_ins_del_ok;     /* Terminal can insert and delete lines */
  32 extern int char_ins_del_ok;     /* Terminal can insert and delete chars */
  33 extern int scroll_region_ok;    /* Terminal supports setting the scroll
  34                                    window */
  35 extern int memory_below_screen; /* Terminal remembers lines scrolled
  36                                    off bottom */
  37 extern int fast_clear_end_of_line; /* Terminal has a `ce' string */
  38
  39 extern int dont_calculate_costs; /* Nonzero means don't bother computing
  40                                     various cost tables; we won't use them. */
  41
  42 /* Nonzero means no need to redraw the entire screen on resuming
  43    a suspended Emacs.  This is useful on terminals with multiple pages,
  44    where one page is used for Emacs and another for all else. */
  45 extern int no_redraw_on_reenter;