forked from AuroraMiddleware/gtk
137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2014 Benjamin Otte <otte@gnome.org>
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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 "gtkcsspathnodeprivate.h"
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#include "gtkprivate.h"
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#include "gtkstylecontextprivate.h"
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G_DEFINE_TYPE (GtkCssPathNode, gtk_css_path_node, GTK_TYPE_CSS_NODE)
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static void
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gtk_css_path_node_invalidate (GtkCssNode *node,
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GtkCssChange change)
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{
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GtkCssPathNode *path_node = GTK_CSS_PATH_NODE (node);
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gtk_css_node_set_style (node, NULL);
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if (path_node->context)
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{
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
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gtk_style_context_invalidate (path_node->context);
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G_GNUC_END_IGNORE_DEPRECATIONS;
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}
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}
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static void
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gtk_css_path_node_set_invalid (GtkCssNode *node,
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gboolean invalid)
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{
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/* path nodes are always valid */
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}
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static GtkWidgetPath *
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gtk_css_path_node_real_create_widget_path (GtkCssNode *node)
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{
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GtkCssPathNode *path_node = GTK_CSS_PATH_NODE (node);
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GtkWidgetPath *path;
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guint length;
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if (path_node->path == NULL)
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path = gtk_widget_path_new ();
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else
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path = gtk_widget_path_copy (path_node->path);
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length = gtk_widget_path_length (path);
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if (length > 0)
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{
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gtk_css_node_declaration_add_to_widget_path (gtk_css_node_get_declaration (node),
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path,
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length - 1);
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}
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return path;
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}
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static const GtkWidgetPath *
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gtk_css_path_node_real_get_widget_path (GtkCssNode *node)
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{
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GtkCssPathNode *path_node = GTK_CSS_PATH_NODE (node);
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return path_node->path;
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}
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static void
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gtk_css_path_node_class_init (GtkCssPathNodeClass *klass)
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{
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GtkCssNodeClass *node_class = GTK_CSS_NODE_CLASS (klass);
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node_class->invalidate = gtk_css_path_node_invalidate;
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node_class->set_invalid = gtk_css_path_node_set_invalid;
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node_class->create_widget_path = gtk_css_path_node_real_create_widget_path;
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node_class->get_widget_path = gtk_css_path_node_real_get_widget_path;
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}
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static void
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gtk_css_path_node_init (GtkCssPathNode *cssnode)
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{
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}
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GtkCssNode *
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gtk_css_path_node_new (GtkStyleContext *context)
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{
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GtkCssPathNode *node;
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g_return_val_if_fail (context == NULL || GTK_IS_STYLE_CONTEXT (context), NULL);
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node = g_object_new (GTK_TYPE_CSS_PATH_NODE, NULL);
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node->context = context;
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return GTK_CSS_NODE (node);
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}
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void
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gtk_css_path_node_set_widget_path (GtkCssPathNode *node,
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GtkWidgetPath *path)
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{
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gtk_internal_return_if_fail (GTK_IS_CSS_PATH_NODE (node));
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if (node->path == path)
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return;
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if (node->path)
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gtk_widget_path_unref (node->path);
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if (path)
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gtk_widget_path_ref (path);
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node->path = path;
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gtk_css_node_invalidate (GTK_CSS_NODE (node), GTK_CSS_CHANGE_ANY);
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}
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GtkWidgetPath *
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gtk_css_path_node_get_widget_path (GtkCssPathNode *node)
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{
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gtk_internal_return_val_if_fail (GTK_IS_CSS_PATH_NODE (node), NULL);
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return node->path;
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}
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