stylecontext: Split out functionality into custom object

GtkCssNodeDeclaration is a new struct with copy-on-write semantics.

It encapsulated the properties used to define a node in the CSS tree.

The idea is to use it in various places for caching, in particular as
key in hash tables.

1 files changed, 67 insertions, 0 deletions

diff --git a/gtk/gtkcssnodedeclarationprivate.h b/gtk/gtkcssnodedeclarationprivate.h
new file mode 100644
index 0000000000..767b6ecfb5
--- /dev/null
+++ b/gtk/gtkcssnodedeclarationprivate.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright © 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 2.1 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/>.
+ */
+
+#ifndef __GTK_CSS_NODE_DECLARATION_PRIVATE_H__
+#define __GTK_CSS_NODE_DECLARATION_PRIVATE_H__
+
+#include "gtkenums.h"
+#include "gtkwidgetpath.h"
+
+G_BEGIN_DECLS
+
+typedef struct _GtkCssNodeDeclaration GtkCssNodeDeclaration;
+
+
+GtkCssNodeDeclaration * gtk_css_node_declaration_new                    (void);
+GtkCssNodeDeclaration * gtk_css_node_declaration_ref                    (GtkCssNodeDeclaration         *decl);
+void                    gtk_css_node_declaration_unref                  (GtkCssNodeDeclaration         *decl);
+
+gboolean                gtk_css_node_declaration_set_junction_sides     (GtkCssNodeDeclaration        **decl,
+                                                                         GtkJunctionSides               junction_sides);
+GtkJunctionSides        gtk_css_node_declaration_get_junction_sides     (const GtkCssNodeDeclaration   *decl);
+gboolean                gtk_css_node_declaration_set_state              (GtkCssNodeDeclaration        **decl,
+                                                                         GtkStateFlags                  flags);
+GtkStateFlags           gtk_css_node_declaration_get_state              (const GtkCssNodeDeclaration   *decl);
+
+gboolean                gtk_css_node_declaration_add_class              (GtkCssNodeDeclaration        **decl,
+                                                                         GQuark                         class_quark);
+gboolean                gtk_css_node_declaration_remove_class           (GtkCssNodeDeclaration        **decl,
+                                                                         GQuark                         class_quark);
+gboolean                gtk_css_node_declaration_has_class              (const GtkCssNodeDeclaration   *decl,
+                                                                         GQuark                         class_quark);
+GList *                 gtk_css_node_declaration_list_classes           (const GtkCssNodeDeclaration   *decl);
+
+gboolean                gtk_css_node_declaration_add_region             (GtkCssNodeDeclaration        **decl,
+                                                                         GQuark                         region_quark,
+                                                                         GtkRegionFlags                 flags);
+gboolean                gtk_css_node_declaration_remove_region          (GtkCssNodeDeclaration        **decl,
+                                                                         GQuark                         region_quark);
+gboolean                gtk_css_node_declaration_has_region             (const GtkCssNodeDeclaration   *decl,
+                                                                         GQuark                         region_quark,
+                                                                         GtkRegionFlags                *flags_return);
+GList *                 gtk_css_node_declaration_list_regions           (const GtkCssNodeDeclaration   *decl);
+
+guint                   gtk_css_node_declaration_hash                   (gconstpointer                  elem);
+gboolean                gtk_css_node_declaration_equal                  (gconstpointer                  elem1,
+                                                                         gconstpointer                  elem2);
+
+void                    gtk_css_node_declaration_add_to_widget_path     (const GtkCssNodeDeclaration   *decl,
+                                                                         GtkWidgetPath                 *path,
+                                                                         guint                          pos);
+G_END_DECLS
+
+#endif /* __GTK_CSS_NODE_DECLARATION_PRIVATE_H__ */