mc/lib/skin/common.c

195 lines
6.4 KiB
C
Raw Normal View History

/*
Skins engine.
Interface functions
Copyright (C) 2009, 2010, 2011
The Free Software Foundation, Inc.
Written by:
Slava Zanko <slavazanko@gmail.com>, 2009
Egmont Koblinger <egmont@gmail.com>, 2010
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdlib.h>
#include "internal.h"
#include "lib/tty/color.h" /* tty_use_256colors(); */
/*** global variables ****************************************************************************/
mc_skin_t mc_skin__default;
/*** file scope macro definitions ****************************************************************/
/*** file scope type declarations ****************************************************************/
/*** file scope variables ************************************************************************/
static gboolean mc_skin_is_init = FALSE;
/* --------------------------------------------------------------------------------------------- */
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_hash_destroy_value (gpointer data)
{
mc_skin_color_t *mc_skin_color = (mc_skin_color_t *) data;
g_free (mc_skin_color->fgcolor);
g_free (mc_skin_color->bgcolor);
g_free (mc_skin_color->attrs);
g_free (mc_skin_color);
}
/* --------------------------------------------------------------------------------------------- */
static char *
mc_skin_get_default_name (void)
{
char *tmp_str;
/* from command line */
if (mc_global.tty.skin != NULL)
return g_strdup (mc_global.tty.skin);
/* from envirovement variable */
tmp_str = getenv ("MC_SKIN");
if (tmp_str != NULL)
return g_strdup (tmp_str);
/* from config. Or 'default' if no present in config */
return mc_config_get_string (mc_main_config, CONFIG_APP_SECTION, "skin", "default");
}
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_reinit (void)
{
mc_skin_deinit ();
mc_skin__default.name = mc_skin_get_default_name ();
mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, mc_skin_hash_destroy_value);
}
/* --------------------------------------------------------------------------------------------- */
static void
mc_skin_try_to_load_default (void)
{
mc_skin_reinit ();
g_free (mc_skin__default.name);
mc_skin__default.name = g_strdup ("default");
if (!mc_skin_ini_file_load (&mc_skin__default))
{
mc_skin_reinit ();
mc_skin_set_hardcoded_skin (&mc_skin__default);
}
}
/* --------------------------------------------------------------------------------------------- */
/*** public functions ****************************************************************************/
/* --------------------------------------------------------------------------------------------- */
gboolean
mc_skin_init (GError ** error)
{
gboolean is_good_init = TRUE;
mc_skin__default.have_256_colors = FALSE;
mc_skin__default.name = mc_skin_get_default_name ();
mc_skin__default.colors = g_hash_table_new_full (g_str_hash, g_str_equal,
g_free, mc_skin_hash_destroy_value);
if (!mc_skin_ini_file_load (&mc_skin__default))
{
*error = g_error_new (MC_ERROR, 0,
_("Unable to load '%s' skin.\nDefault skin has been loaded"),
mc_skin__default.name);
mc_skin_try_to_load_default ();
is_good_init = FALSE;
}
mc_skin_colors_old_configure (&mc_skin__default);
if (!mc_skin_ini_file_parse (&mc_skin__default))
{
if (*error == NULL)
*error = g_error_new (MC_ERROR, 0,
_("Unable to parse '%s' skin.\nDefault skin has been loaded"),
mc_skin__default.name);
mc_skin_try_to_load_default ();
mc_skin_colors_old_configure (&mc_skin__default);
(void) mc_skin_ini_file_parse (&mc_skin__default);
is_good_init = FALSE;
}
if (is_good_init && !tty_use_256colors () && mc_skin__default.have_256_colors)
{
if (*error == NULL)
*error = g_error_new (MC_ERROR, 0,
_
("Unable to use '%s' skin with 256 colors support\non non-256 colors terminal.\nDefault skin has been loaded"),
mc_skin__default.name);
mc_skin_try_to_load_default ();
mc_skin_colors_old_configure (&mc_skin__default);
(void) mc_skin_ini_file_parse (&mc_skin__default);
is_good_init = FALSE;
}
mc_skin_is_init = TRUE;
return is_good_init;
}
/* --------------------------------------------------------------------------------------------- */
void
mc_skin_deinit (void)
{
g_free (mc_skin__default.name);
mc_skin__default.name = NULL;
g_hash_table_destroy (mc_skin__default.colors);
mc_skin__default.colors = NULL;
g_free (mc_skin__default.description);
mc_skin__default.description = NULL;
mc_config_deinit (mc_skin__default.config);
mc_skin__default.config = NULL;
mc_skin_is_init = FALSE;
}
/* --------------------------------------------------------------------------------------------- */
gchar *
mc_skin_get (const gchar * group, const gchar * key, const gchar * default_value)
{
if (mc_global.tty.ugly_line_drawing)
{
return g_strdup (default_value);
}
return mc_config_get_string (mc_skin__default.config, group, key, default_value);
}
/* --------------------------------------------------------------------------------------------- */