forked from AuroraMiddleware/gtk
1116914ea0
This way, we can remove it as a separate argument from gtk_css_value_compute() and allow computation to only depend on one thing: the style provider.
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/* 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"
|
|
|
|
#define GDK_DISABLE_DEPRECATION_WARNINGS
|
|
#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,
|
|
guint property_id,
|
|
GtkStyleProviderPrivate *provider,
|
|
GtkCssStyle *style,
|
|
GtkCssStyle *parent_style,
|
|
GtkCssDependencies *dependencies)
|
|
{
|
|
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,
|
|
guint property_id,
|
|
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;
|
|
}
|
|
|