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/*
term.c : irssi
Copyright (C) 2001 Timo Sirainen
This program 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 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "module.h"
#include "signals.h"
#include "commands.h"
#include "settings.h"
#include "term.h"
#include "mainwindows.h"
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#include <signal.h>
#include <termios.h>
#define MIN_SCREEN_WIDTH 20
int term_width, term_height;
int term_use_colors;
int term_type;
static int force_colors;
static int resize_dirty;
int term_get_size(int *width, int *height)
{
#ifdef TIOCGWINSZ
struct winsize ws;
/* Get new window size */
if (ioctl(0, TIOCGWINSZ, &ws) < 0)
return FALSE;
if (ws.ws_row == 0 && ws.ws_col == 0)
return FALSE;
*width = ws.ws_col;
*height = ws.ws_row;
if (*width < MIN_SCREEN_WIDTH)
*width = MIN_SCREEN_WIDTH;
if (*height < 1)
*height = 1;
return TRUE;
#else
return FALSE;
#endif
}
/* Resize the terminal if needed */
void term_resize_dirty(void)
{
int width, height;
if (!resize_dirty)
return;
resize_dirty = FALSE;
if (!term_get_size(&width, &height))
width = height = -1;
if (height != term_height || width != term_width) {
term_resize(width, height);
mainwindows_resize(term_width, term_height);
term_resize_final(width, height);
}
}
#ifdef SIGWINCH
static void sig_winch(int p)
{
irssi_set_dirty();
resize_dirty = TRUE;
}
#endif
static void cmd_resize(void)
{
resize_dirty = TRUE;
term_resize_dirty();
}
static void cmd_redraw(void)
{
irssi_redraw();
}
static void read_settings(void)
{
const char *str;
int old_colors = term_use_colors;
int old_type = term_type;
/* set terminal type */
str = settings_get_str("term_charset");
if (g_ascii_strcasecmp(str, "utf-8") == 0)
term_type = TERM_TYPE_UTF8;
else if (g_ascii_strcasecmp(str, "big5") == 0)
term_type = TERM_TYPE_BIG5;
else
term_type = TERM_TYPE_8BIT;
if (old_type != term_type)
term_set_input_type(term_type);
/* change color stuff */
if (force_colors != settings_get_bool("term_force_colors")) {
force_colors = settings_get_bool("term_force_colors");
term_force_colors(force_colors);
}
term_use_colors = settings_get_bool("colors") &&
(force_colors || term_has_colors());
if (term_use_colors != old_colors)
irssi_redraw();
}
void term_common_init(void)
{
const char *dummy;
#ifdef SIGWINCH
struct sigaction act;
#endif
settings_add_bool("lookandfeel", "colors", TRUE);
settings_add_bool("lookandfeel", "term_force_colors", FALSE);
settings_add_bool("lookandfeel", "mirc_blink_fix", FALSE);
force_colors = FALSE;
term_use_colors = term_has_colors() && settings_get_bool("colors");
read_settings();
if (g_get_charset(&dummy)) {
term_type = TERM_TYPE_UTF8;
term_set_input_type(TERM_TYPE_UTF8);
}
signal_add("beep", (SIGNAL_FUNC) term_beep);
signal_add("setup changed", (SIGNAL_FUNC) read_settings);
command_bind("resize", NULL, (SIGNAL_FUNC) cmd_resize);
command_bind("redraw", NULL, (SIGNAL_FUNC) cmd_redraw);
#ifdef SIGWINCH
sigemptyset (&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = sig_winch;
sigaction(SIGWINCH, &act, NULL);
#endif
}
void term_common_deinit(void)
{
command_unbind("resize", (SIGNAL_FUNC) cmd_resize);
command_unbind("redraw", (SIGNAL_FUNC) cmd_redraw);
signal_remove("beep", (SIGNAL_FUNC) term_beep);
signal_remove("setup changed", (SIGNAL_FUNC) read_settings);
}
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