141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2011 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#define GDK_DISABLE_DEPRECATION_WARNINGS
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#include "gtkcssenginevalueprivate.h"
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#include "gtkstylepropertyprivate.h"
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struct _GtkCssValue {
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GTK_CSS_VALUE_BASE
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GtkThemingEngine *engine;
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};
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static void
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gtk_css_value_engine_free (GtkCssValue *value)
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{
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g_object_unref (value->engine);
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g_slice_free (GtkCssValue, value);
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}
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static GtkCssValue *
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gtk_css_value_engine_compute (GtkCssValue *value,
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guint property_id,
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GtkStyleProviderPrivate *provider,
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GtkCssStyle *style,
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GtkCssStyle *parent_style)
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{
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return _gtk_css_value_ref (value);
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}
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static gboolean
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gtk_css_value_engine_equal (const GtkCssValue *value1,
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const GtkCssValue *value2)
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{
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return value1->engine == value2->engine;
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}
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static GtkCssValue *
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gtk_css_value_engine_transition (GtkCssValue *start,
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GtkCssValue *end,
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guint property_id,
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double progress)
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{
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return NULL;
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}
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static void
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gtk_css_value_engine_print (const GtkCssValue *value,
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GString *string)
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{
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char *name;
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g_object_get (value->engine, "name", &name, NULL);
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if (name)
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g_string_append (string, name);
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else
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g_string_append (string, "none");
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g_free (name);
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}
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static const GtkCssValueClass GTK_CSS_VALUE_ENGINE = {
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gtk_css_value_engine_free,
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gtk_css_value_engine_compute,
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gtk_css_value_engine_equal,
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gtk_css_value_engine_transition,
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gtk_css_value_engine_print
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};
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GtkCssValue *
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_gtk_css_engine_value_new (GtkThemingEngine *engine)
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{
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GtkCssValue *result;
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g_return_val_if_fail (GTK_IS_THEMING_ENGINE (engine), NULL);
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result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_ENGINE);
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result->engine = g_object_ref (engine);
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return result;
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}
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GtkCssValue *
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_gtk_css_engine_value_parse (GtkCssParser *parser)
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{
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GtkThemingEngine *engine;
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char *str;
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g_return_val_if_fail (parser != NULL, NULL);
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if (_gtk_css_parser_try (parser, "none", TRUE))
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return _gtk_css_engine_value_new (gtk_theming_engine_load (NULL));
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str = _gtk_css_parser_try_ident (parser, TRUE);
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if (str == NULL)
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{
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_gtk_css_parser_error (parser, "Expected a valid theme name");
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return NULL;
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}
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engine = gtk_theming_engine_load (str);
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if (engine == NULL)
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{
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_gtk_css_parser_error (parser, "Theming engine '%s' not found", str);
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g_free (str);
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return NULL;
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}
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g_free (str);
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return _gtk_css_engine_value_new (engine);
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}
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GtkThemingEngine *
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_gtk_css_engine_value_get_engine (const GtkCssValue *value)
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{
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g_return_val_if_fail (value->class == >K_CSS_VALUE_ENGINE, NULL);
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return value->engine;
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}
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