forked from AuroraMiddleware/gtk
f204473ee0
... so we don't bump a refcount whenever we get the initial singleton. We want to use this function instead of _gtk_css_style_property_get_initial_value() everywhere where we compute values, because some initial values may depend on settings soon.
95 lines
2.8 KiB
C
95 lines
2.8 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 "gtkcssinitialvalueprivate.h"
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#include "gtkcssstylepropertyprivate.h"
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struct _GtkCssValue {
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GTK_CSS_VALUE_BASE
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};
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static void
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gtk_css_value_initial_free (GtkCssValue *value)
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{
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/* Can only happen if the unique value gets unreffed too often */
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g_assert_not_reached ();
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}
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static GtkCssValue *
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gtk_css_value_initial_compute (GtkCssValue *value,
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guint property_id,
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GtkStyleProviderPrivate *provider,
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GtkCssComputedValues *values,
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GtkCssComputedValues *parent_values,
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GtkCssDependencies *dependencies)
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{
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return _gtk_css_value_compute (_gtk_css_style_property_get_initial_value (_gtk_css_style_property_lookup_by_id (property_id)),
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property_id,
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provider,
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values,
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parent_values,
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dependencies);
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}
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static gboolean
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gtk_css_value_initial_equal (const GtkCssValue *value1,
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const GtkCssValue *value2)
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{
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return TRUE;
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}
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static GtkCssValue *
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gtk_css_value_initial_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_initial_print (const GtkCssValue *value,
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GString *string)
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{
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g_string_append (string, "initial");
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}
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static const GtkCssValueClass GTK_CSS_VALUE_INITIAL = {
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gtk_css_value_initial_free,
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gtk_css_value_initial_compute,
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gtk_css_value_initial_equal,
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gtk_css_value_initial_transition,
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gtk_css_value_initial_print
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};
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static GtkCssValue initial = { >K_CSS_VALUE_INITIAL, 1 };
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GtkCssValue *
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_gtk_css_initial_value_new (void)
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{
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return _gtk_css_value_ref (&initial);
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}
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GtkCssValue *
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_gtk_css_initial_value_get (void)
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{
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return &initial;
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}
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