/* Flags and parameters describing terminal's characteristics.
- Copyright (C) 1985-1986, 2001-2012 Free Software Foundation, Inc.
+ Copyright (C) 1985-1986, 2001-2013 Free Software Foundation, Inc.
This file is part of GNU Emacs.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
+#include "dispextern.h"
+
/* 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. */
/* There is nothing else here at the moment... */
};
+enum { TERMCAP_BUFFER_SIZE = 4096 };
+
/* Parameters that are shared between frames on the same tty device. */
struct tty_display_info
struct emacs_tty *old_tty; /* The initial tty mode bits */
- unsigned term_initted : 1; /* 1 if we have been through init_sys_modes. */
+ bool_bf term_initted : 1; /* True if we have been through
+ init_sys_modes. */
int reference_count; /* Number of frames that are on this display. */
Mouse_HLInfo mouse_highlight;
/* Buffer used internally by termcap (see tgetent in the Termcap
- manual). Only init_tty and delete_tty should change this. */
- char *termcap_term_buffer;
+ manual). Only init_tty should use this. */
+ char termcap_term_buffer[TERMCAP_BUFFER_SIZE];
/* Buffer storing terminal description strings (see tgetstr in the
- Termcap manual). Only init_tty and delete_tty should change
- this. */
- char *termcap_strings_buffer;
+ Termcap manual). Only init_tty should use this. */
+ char termcap_strings_buffer[TERMCAP_BUFFER_SIZE];
/* Strings, numbers and flags taken from the termcap entry. */
int RPov; /* # chars to start a TS_repeat */
- unsigned delete_in_insert_mode : 1; /* delete mode == insert mode */
+ bool_bf delete_in_insert_mode : 1; /* delete mode == insert mode */
- unsigned costs_set : 1; /* Nonzero if costs have been calculated. */
+ bool_bf costs_set : 1; /* True if costs have been calculated. */
- unsigned insert_mode : 1; /* Nonzero when in insert mode. */
- unsigned standout_mode : 1; /* Nonzero when in standout mode. */
+ bool_bf insert_mode : 1; /* True when in insert mode. */
+ bool_bf standout_mode : 1; /* True 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. */
/* Flag used in tty_show/hide_cursor. */
- unsigned cursor_hidden : 1;
+ bool_bf cursor_hidden : 1;
+
+ /* True means use ^S/^Q for flow control. */
+
+ bool_bf flow_control : 1;
+
+ /* True means we are displaying a TTY menu on this tty. */
+ bool_bf showing_menu : 1;
+
+ /* True means spaces in the text must actually be output;
+ can't just skip over some columns to leave them blank. */
+ bool_bf must_write_spaces : 1;
+
+ /* True if TTY can insert and delete lines. */
+ bool_bf line_ins_del_ok : 1;
+
+ /* True if TTY can insert and delete chars. */
+ bool_bf char_ins_del_ok : 1;
+
+ /* True if TTY supports setting the scroll window. */
+ bool_bf scroll_region_ok : 1;
- /* Nonzero means use ^S/^Q for flow control. */
+ /* True if TTY remembers lines scrolled off bottom. */
+ bool_bf memory_below_frame : 1;
- unsigned flow_control : 1;
+ /* Cost of setting the scroll window, measured in characters. */
+ int scroll_region_cost;
};
/* A chain of structures for all tty devices currently in use. */