BSD 4_4 development
[unix-history] / usr / src / contrib / emacs-18.57 / src / termchar.h
/* Flags and parameters describing terminal's characteristics.
Copyright (C) 1985, 1986 Free Software Foundation, Inc.
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
the Free Software Foundation; either version 1, or (at your option)
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
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
extern int baud_rate; /* Output speed in baud */
extern int screen_width; /* Number of usable columns */
extern int screen_height; /* Number of lines */
extern int must_write_spaces; /* Nonzero means spaces in the text
must actually be output; can't just skip
over some columns to leave them blank. */
extern int min_padding_speed; /* Speed below which no padding necessary */
extern int fast_clear_end_of_line; /* Nonzero means terminal has command for this */
extern int line_ins_del_ok; /* Terminal can insert and delete lines */
extern int char_ins_del_ok; /* Terminal can insert and delete chars */
extern int scroll_region_ok; /* Terminal supports setting the scroll window */
extern int memory_below_screen; /* Terminal remembers lines scrolled off bottom */
extern int fast_clear_end_of_line; /* Terminal has a `ce' string */
extern int dont_calculate_costs; /* Nonzero means don't bother computing */
/* various cost tables; we won't use them. */
/* Nonzero means no need to redraw the entire screen on resuming
a suspended Emacs. This is useful on terminals with multiple pages,
where one page is used for Emacs and another for all else. */
extern int no_redraw_on_reenter;
/* DCICcost[n] is cost of inserting N characters.
DCICcost[-n] is cost of deleting N characters. */
#define DCICcost (&DC_ICcost[screen_width])
extern int *DC_ICcost;