forked from AuroraMiddleware/gtk
152 lines
4.0 KiB
C
152 lines
4.0 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 "gtkcsswidgetnodeprivate.h"
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#include "gtkcontainerprivate.h"
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#include "gtkprivate.h"
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#include "gtkstylecontextprivate.h"
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#include "gtkwidgetprivate.h"
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G_DEFINE_TYPE (GtkCssWidgetNode, gtk_css_widget_node, GTK_TYPE_CSS_NODE)
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static void
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gtk_css_widget_node_invalidate (GtkCssNode *node,
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GtkCssChange change)
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{
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GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
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widget_node->pending_changes |= change;
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}
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static void
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gtk_css_widget_node_set_invalid (GtkCssNode *node,
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gboolean invalid)
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{
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GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
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GTK_CSS_NODE_CLASS (gtk_css_widget_node_parent_class)->set_invalid (node, invalid);
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G_GNUC_BEGIN_IGNORE_DEPRECATIONS
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if (invalid &&
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gtk_css_node_get_parent (node) == NULL &&
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GTK_IS_RESIZE_CONTAINER (widget_node->widget))
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{
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_gtk_container_queue_restyle (GTK_CONTAINER (widget_node->widget));
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}
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G_GNUC_END_IGNORE_DEPRECATIONS
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}
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static GtkWidgetPath *
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gtk_css_widget_node_create_widget_path (GtkCssNode *node)
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{
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GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
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GtkWidgetPath *path;
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guint length;
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if (widget_node->widget == NULL)
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path = gtk_widget_path_new ();
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else
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path = _gtk_widget_create_path (widget_node->widget);
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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_widget_node_get_widget_path (GtkCssNode *node)
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{
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GtkCssWidgetNode *widget_node = GTK_CSS_WIDGET_NODE (node);
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if (widget_node->widget == NULL)
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return NULL;
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return gtk_widget_get_path (widget_node->widget);
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}
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static void
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gtk_css_widget_node_class_init (GtkCssWidgetNodeClass *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_widget_node_invalidate;
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node_class->set_invalid = gtk_css_widget_node_set_invalid;
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node_class->create_widget_path = gtk_css_widget_node_create_widget_path;
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node_class->get_widget_path = gtk_css_widget_node_get_widget_path;
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}
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static void
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gtk_css_widget_node_init (GtkCssWidgetNode *cssnode)
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{
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}
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GtkCssNode *
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gtk_css_widget_node_new (GtkWidget *widget)
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{
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GtkCssWidgetNode *result;
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gtk_internal_return_val_if_fail (GTK_IS_WIDGET (widget), NULL);
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result = g_object_new (GTK_TYPE_CSS_WIDGET_NODE, NULL);
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result->widget = widget;
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return GTK_CSS_NODE (result);
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}
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void
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gtk_css_widget_node_widget_destroyed (GtkCssWidgetNode *node)
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{
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gtk_internal_return_if_fail (GTK_IS_CSS_WIDGET_NODE (node));
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gtk_internal_return_if_fail (node->widget != NULL);
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node->widget = NULL;
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/* Contents of this node are now undefined.
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* So we don't clear the style or anything.
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*/
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}
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GtkWidget *
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gtk_css_widget_node_get_widget (GtkCssWidgetNode *node)
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{
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gtk_internal_return_val_if_fail (GTK_IS_CSS_WIDGET_NODE (node), NULL);
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return node->widget;
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}
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GtkCssChange
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gtk_css_widget_node_reset_change (GtkCssWidgetNode *node)
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{
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GtkCssChange result;
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gtk_internal_return_val_if_fail (GTK_IS_CSS_WIDGET_NODE (node), 0);
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result = node->pending_changes;
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node->pending_changes = 0;
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return result;
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}
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