2005-08-29 12:45:28 +04:00
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/*
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Interface to the terminal controlling library.
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2007-09-25 19:33:35 +04:00
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Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc.
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2005-08-29 12:45:28 +04:00
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Written by:
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Roland Illig <roland.illig@gmx.de>, 2005.
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This file is part of the Midnight Commander.
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The Midnight Commander is free software; you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The Midnight Commander is distributed in the hope that it will be
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useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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2009-02-05 21:28:18 +03:00
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/** \file tty.c
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2009-02-06 17:46:15 +03:00
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* \brief Source: %interface to the terminal controlling library
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2009-02-05 21:28:18 +03:00
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*/
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2005-08-29 12:45:28 +04:00
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#include <config.h>
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#include <signal.h>
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2005-09-05 02:02:25 +04:00
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#include <stdarg.h>
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2005-08-29 12:45:28 +04:00
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2009-05-08 14:01:05 +04:00
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#include "../../src/global.h"
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2006-05-15 17:26:18 +04:00
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2009-05-08 14:01:05 +04:00
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#include "../../src/tty/tty.h"
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#include "../../src/main.h" /* for slow_terminal */
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#include "../../src/strutil.h"
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2009-05-10 19:01:15 +04:00
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#include "../../src/background.h" /* we_are_background */
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2005-08-29 12:45:28 +04:00
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/*** global variables **************************************************/
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2009-05-10 19:01:15 +04:00
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/*** file scope macro definitions **************************************/
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2005-08-29 12:45:28 +04:00
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/*** file scope type declarations **************************************/
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/*** file scope variables **********************************************/
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static volatile sig_atomic_t got_interrupt = 0;
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2009-05-13 17:05:55 +04:00
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/* If true use +, -, | for line drawing */
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static gboolean force_ugly_line_drawing = FALSE;
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2005-08-29 12:45:28 +04:00
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/*** file scope functions **********************************************/
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static void
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sigintr_handler(int signo)
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{
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(void) &signo;
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got_interrupt = 1;
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}
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/*** public functions **************************************************/
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2009-07-15 22:31:52 +04:00
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extern void
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tty_start_interrupt_key(void)
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{
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struct sigaction act;
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act.sa_handler = sigintr_handler;
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sigemptyset (&act.sa_mask);
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act.sa_flags = SA_RESTART;
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sigaction (SIGINT, &act, NULL);
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}
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2005-08-29 12:45:28 +04:00
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extern void
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tty_enable_interrupt_key(void)
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{
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struct sigaction act;
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2005-08-29 13:04:39 +04:00
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2005-08-29 12:45:28 +04:00
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act.sa_handler = sigintr_handler;
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sigemptyset (&act.sa_mask);
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act.sa_flags = 0;
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sigaction (SIGINT, &act, NULL);
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2009-07-15 22:31:52 +04:00
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got_interrupt = 0;
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2005-08-29 12:45:28 +04:00
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}
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extern void
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tty_disable_interrupt_key(void)
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{
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struct sigaction act;
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2005-08-29 13:04:39 +04:00
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2005-08-29 12:45:28 +04:00
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act.sa_handler = SIG_IGN;
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sigemptyset (&act.sa_mask);
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act.sa_flags = 0;
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sigaction (SIGINT, &act, NULL);
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}
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2009-02-06 01:46:07 +03:00
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extern gboolean
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2005-08-29 12:45:28 +04:00
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tty_got_interrupt(void)
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{
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2009-02-06 01:46:07 +03:00
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gboolean rv;
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2005-08-29 12:45:28 +04:00
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rv = (got_interrupt != 0);
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got_interrupt = 0;
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return rv;
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}
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2009-05-14 19:18:03 +04:00
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void
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tty_set_ugly_line_drawing (gboolean do_ugly)
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2009-05-13 17:05:55 +04:00
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{
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force_ugly_line_drawing = do_ugly;
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}
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2009-05-14 19:18:03 +04:00
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gboolean
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tty_is_ugly_line_drawing (void)
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2009-05-13 17:05:55 +04:00
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{
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return force_ugly_line_drawing;
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}
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2005-09-01 21:01:12 +04:00
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extern void
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tty_print_one_hline(void)
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2005-08-29 12:45:28 +04:00
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{
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if (slow_terminal)
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tty_print_char(' ');
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else
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tty_print_alt_char(ACS_HLINE);
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}
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2005-09-01 21:01:12 +04:00
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extern void
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tty_print_one_vline(void)
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2005-08-29 12:45:28 +04:00
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{
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if (slow_terminal)
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tty_print_char(' ');
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else
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tty_print_alt_char(ACS_VLINE);
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}
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2005-09-01 21:01:12 +04:00
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extern void
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tty_print_hline(int top, int left, int length)
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2005-08-29 12:45:28 +04:00
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{
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2005-08-29 13:03:10 +04:00
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int i;
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2005-08-29 12:45:28 +04:00
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2005-08-29 13:03:10 +04:00
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tty_gotoyx(top, left);
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for (i = 0; i < length; i++)
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2005-08-29 12:45:28 +04:00
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tty_print_one_hline();
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}
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2005-09-01 21:01:12 +04:00
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extern void
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tty_print_vline(int top, int left, int length)
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2005-08-29 12:45:28 +04:00
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{
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2005-08-29 13:03:10 +04:00
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int i;
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2005-08-29 12:45:28 +04:00
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2005-08-29 13:03:10 +04:00
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tty_gotoyx(top, left);
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for (i = 0; i < length; i++) {
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tty_gotoyx(top + i, left);
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2005-08-29 12:45:28 +04:00
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tty_print_one_vline();
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2005-08-29 13:03:10 +04:00
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}
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2005-08-29 12:45:28 +04:00
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}
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