Learning_GTK4_tree/gtk/gtkcsstransientnode.c

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2023-12-12 11:36:42 +01:00
/* GTK - The GIMP Toolkit
* Copyright (C) 2014 Benjamin Otte <otte@gnome.org>
*
* 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 "gtkcsstransientnodeprivate.h"
#include "gtkprivate.h"
G_DEFINE_TYPE (GtkCssTransientNode, gtk_css_transient_node, GTK_TYPE_CSS_NODE)
static GtkCssStyle *
gtk_css_transient_node_update_style (GtkCssNode *cssnode,
const GtkCountingBloomFilter *filter,
GtkCssChange change,
gint64 timestamp,
GtkCssStyle *style)
{
/* This should get rid of animations */
return GTK_CSS_NODE_CLASS (gtk_css_transient_node_parent_class)->update_style (cssnode, filter, change, 0, style);
}
static void
gtk_css_transient_node_class_init (GtkCssTransientNodeClass *klass)
{
GtkCssNodeClass *node_class = GTK_CSS_NODE_CLASS (klass);
node_class->update_style = gtk_css_transient_node_update_style;
}
static void
gtk_css_transient_node_init (GtkCssTransientNode *cssnode)
{
gtk_css_node_set_visible (GTK_CSS_NODE (cssnode), FALSE);
}
GtkCssNode *
gtk_css_transient_node_new (GtkCssNode *parent)
{
GtkCssNode *result;
gtk_internal_return_val_if_fail (GTK_IS_CSS_NODE (parent), NULL);
result = g_object_new (GTK_TYPE_CSS_TRANSIENT_NODE, NULL);
gtk_css_node_declaration_unref (result->decl);
result->decl = gtk_css_node_declaration_ref (parent->decl);
return result;
}