forked from AuroraMiddleware/gtk
134 lines
3.3 KiB
C
134 lines
3.3 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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#include "gtkcsstypedvalueprivate.h"
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#include "gtkcsscustompropertyprivate.h"
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#include "gtkcssstylefuncsprivate.h"
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struct _GtkCssValue {
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GTK_CSS_VALUE_BASE
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GValue value;
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};
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static void
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gtk_css_value_typed_free (GtkCssValue *value)
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{
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g_value_unset (&value->value);
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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_typed_compute (GtkCssValue *value,
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guint property_id,
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GtkStyleContext *context,
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GtkCssDependencies *dependencies)
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{
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GtkCssCustomProperty *custom = GTK_CSS_CUSTOM_PROPERTY (_gtk_css_style_property_lookup_by_id (property_id));
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return _gtk_css_style_compute_value (context, custom->pspec->value_type, value, dependencies);
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}
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static gboolean
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gtk_css_value_typed_equal (const GtkCssValue *value1,
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const GtkCssValue *value2)
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{
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return FALSE;
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}
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static GtkCssValue *
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gtk_css_value_typed_transition (GtkCssValue *start,
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GtkCssValue *end,
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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_typed_print (const GtkCssValue *value,
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GString *string)
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{
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_gtk_css_style_print_value (&value->value, string);
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}
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static const GtkCssValueClass GTK_CSS_VALUE_TYPED = {
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gtk_css_value_typed_free,
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gtk_css_value_typed_compute,
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gtk_css_value_typed_equal,
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gtk_css_value_typed_transition,
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gtk_css_value_typed_print
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};
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static GtkCssValue *
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gtk_css_typed_value_new_for_type (GType type)
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{
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GtkCssValue *result;
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result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_TYPED);
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g_value_init (&result->value, type);
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return result;
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}
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GtkCssValue *
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_gtk_css_typed_value_new (const GValue *value)
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{
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GtkCssValue *result;
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g_return_val_if_fail (G_IS_VALUE (value), NULL);
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result = gtk_css_typed_value_new_for_type (G_VALUE_TYPE (value));
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g_value_copy (value, &result->value);
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return result;
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}
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GtkCssValue *
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_gtk_css_typed_value_new_take (GValue *value)
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{
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GtkCssValue *result;
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g_return_val_if_fail (G_IS_VALUE (value), NULL);
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result = _gtk_css_typed_value_new (value);
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g_value_unset (value);
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return result;
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}
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gboolean
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_gtk_is_css_typed_value_of_type (const GtkCssValue *value,
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GType type)
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{
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if (value->class != >K_CSS_VALUE_TYPED)
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return FALSE;
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return G_VALUE_HOLDS (&value->value, type);
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}
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const GValue *
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_gtk_css_typed_value_get (const GtkCssValue *value)
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{
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g_return_val_if_fail (value->class == >K_CSS_VALUE_TYPED, NULL);
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return &value->value;
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}
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