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/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcssenginevalueprivate.h"
#include "gtkstylepropertyprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
GtkThemingEngine *engine;
};
static void
gtk_css_value_engine_free (GtkCssValue *value)
{
g_object_unref (value->engine);
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_engine_compute (GtkCssValue *value,
GtkStyleContext *context)
{
return _gtk_css_value_ref (value);
}
static gboolean
gtk_css_value_engine_equal (const GtkCssValue *value1,
const GtkCssValue *value2)
{
return value1->engine == value2->engine;
}
static GtkCssValue *
gtk_css_value_engine_transition (GtkCssValue *start,
GtkCssValue *end,
double progress)
{
return NULL;
}
static void
gtk_css_value_engine_print (const GtkCssValue *value,
GString *string)
{
char *name;
g_object_get (value->engine, "name", &name, NULL);
if (name)
g_string_append (string, name);
else
g_string_append (string, "none");
g_free (name);
}
static const GtkCssValueClass GTK_CSS_VALUE_ENGINE = {
gtk_css_value_engine_free,
gtk_css_value_engine_compute,
gtk_css_value_engine_equal,
gtk_css_value_engine_transition,
gtk_css_value_engine_print
};
GtkCssValue *
_gtk_css_engine_value_new (GtkThemingEngine *engine)
{
GtkCssValue *result;
g_return_val_if_fail (GTK_IS_THEMING_ENGINE (engine), NULL);
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_ENGINE);
result->engine = g_object_ref (engine);
return result;
}
GtkCssValue *
_gtk_css_engine_value_parse (GtkCssParser *parser)
{
GtkThemingEngine *engine;
char *str;
g_return_val_if_fail (parser != NULL, NULL);
if (_gtk_css_parser_try (parser, "none", TRUE))
return _gtk_css_engine_value_new (gtk_theming_engine_load (NULL));
str = _gtk_css_parser_try_ident (parser, TRUE);
if (str == NULL)
{
_gtk_css_parser_error (parser, "Expected a valid theme name");
return NULL;
}
engine = gtk_theming_engine_load (str);
if (engine == NULL)
{
_gtk_css_parser_error (parser, "Theming engine '%s' not found", str);
g_free (str);
return NULL;
}
g_free (str);
return _gtk_css_engine_value_new (engine);
}
GtkThemingEngine *
_gtk_css_engine_value_get_engine (const GtkCssValue *value)
{
g_return_val_if_fail (value->class == >K_CSS_VALUE_ENGINE, NULL);
return value->engine;
}
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