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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2009-06-12 14:55:06 +04:00
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Copyright (C) 2005, 2006, 2007, 2009 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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2009-06-12 14:55:06 +04:00
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Andrew Borodin <aborodin@vmail.ru>, 2009.
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2005-08-29 12:45:28 +04:00
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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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2010-01-07 02:57:27 +03:00
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#include "tty.h"
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#include "tty-internal.h"
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2009-05-08 14:01:05 +04:00
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#include "../../src/strutil.h"
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2005-08-29 12:45:28 +04:00
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/*** global variables **************************************************/
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2009-07-12 14:22:41 +04:00
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/* If true lines are drown by spaces */
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gboolean slow_tty = FALSE;
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/* If true use +, -, | for line drawing */
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gboolean ugly_line_drawing = FALSE;
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2009-09-09 18:56:52 +04:00
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int mc_tty_ugly_frm[MC_TTY_FRM_MAX];
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2009-08-24 00:42:28 +04:00
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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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/*** file scope functions **********************************************/
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static void
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2009-09-17 02:07:04 +04:00
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sigintr_handler (int signo)
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2005-08-29 12:45:28 +04:00
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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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2009-07-12 14:22:41 +04:00
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extern gboolean
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tty_is_slow (void)
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{
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return slow_tty;
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}
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2009-07-15 22:31:52 +04:00
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extern void
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2009-09-17 02:07:04 +04:00
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tty_start_interrupt_key (void)
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2009-07-15 22:31:52 +04:00
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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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2009-09-17 02:07:04 +04:00
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tty_enable_interrupt_key (void)
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2005-08-29 12:45:28 +04:00
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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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2009-09-17 02:07:04 +04:00
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tty_disable_interrupt_key (void)
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2005-08-29 12:45:28 +04:00
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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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2009-09-17 02:07:04 +04:00
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tty_got_interrupt (void)
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2005-08-29 12:45:28 +04:00
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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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2009-07-12 14:22:41 +04:00
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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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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_thinhoriz]);
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2005-08-29 12:45:28 +04:00
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}
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2009-06-03 23:07:06 +04:00
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void
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2009-07-12 14:22:41 +04:00
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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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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_thinvert]);
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2005-08-29 12:45:28 +04:00
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}
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2009-07-18 18:30:06 +04:00
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void
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2009-09-14 17:43:03 +04:00
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tty_draw_box (int y, int x, int ys, int xs)
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2009-07-18 18:30:06 +04:00
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{
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2009-09-04 17:31:38 +04:00
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tty_draw_vline (y, x, mc_tty_ugly_frm[MC_TTY_FRM_vert], ys);
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tty_draw_vline (y, x + xs - 1, mc_tty_ugly_frm[MC_TTY_FRM_vert], ys);
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tty_draw_hline (y, x, mc_tty_ugly_frm[MC_TTY_FRM_horiz], xs);
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tty_draw_hline (y + ys - 1, x, mc_tty_ugly_frm[MC_TTY_FRM_horiz], xs);
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2009-08-24 00:42:28 +04:00
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tty_gotoyx (y, x);
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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_lefttop]);
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2009-08-24 00:42:28 +04:00
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tty_gotoyx (y + ys - 1, x);
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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_leftbottom]);
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2009-08-24 00:42:28 +04:00
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tty_gotoyx (y, x + xs - 1);
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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_righttop]);
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2009-08-24 00:42:28 +04:00
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tty_gotoyx (y + ys - 1, x + xs - 1);
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2009-09-10 16:14:18 +04:00
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tty_print_alt_char (mc_tty_ugly_frm[MC_TTY_FRM_rightbottom]);
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2009-07-18 18:30:06 +04:00
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}
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2009-09-28 12:04:54 +04:00
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char *
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mc_tty_normalize_from_utf8 (const char *str)
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{
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GIConv conv;
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GString *buffer;
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const char *_system_codepage = str_detect_termencoding ();
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if (str_isutf8 (_system_codepage))
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return g_strdup (str);
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conv = g_iconv_open (_system_codepage, "UTF-8");
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if (conv == INVALID_CONV)
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return g_strdup (str);
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buffer = g_string_new ("");
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if (str_convert (conv, str, buffer) == ESTR_FAILURE) {
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g_string_free (buffer, TRUE);
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str_close_conv (conv);
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return g_strdup (str);
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}
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str_close_conv (conv);
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return g_string_free (buffer, FALSE);
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}
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