gtk-css-engine r10 - in bzr-playground: . libccd/ccd src

[robsta svn gnome org]

Author: robsta
Date: Mon Aug 18 13:50:46 2008
New Revision: 10
URL: http://svn.gnome.org/viewvc/gtk-css-engine?rev=10&view=rev

Log:
Refactor mapping between CSS and Gtk+ into a separate file.

Added:
   bzr-playground/src/gce-node.c
   bzr-playground/src/gce-node.h
Modified:
   bzr-playground/   (props changed)
   bzr-playground/libccd/ccd/ccd-image.c
   bzr-playground/libccd/ccd/ccd-stylesheet.c
   bzr-playground/src/Makefile.am
   bzr-playground/src/gce-functions.c
   bzr-playground/src/gce-style.c
   bzr-playground/src/gce-style.h
   bzr-playground/src/gce-theme.c

Modified: bzr-playground/libccd/ccd/ccd-image.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-image.c	(original)
+++ bzr-playground/libccd/ccd/ccd-image.c	Mon Aug 18 13:50:46 2008
@@ -147,8 +147,6 @@
 ccd_image_parse (ccd_image_t	*self,
 		 CRTerm const	*value)
 {
-	ccd_property_spec_t	spec;
-
 	switch (value->type) {
 	case TERM_IDENT:
 		return ccd_property_parse_spec (value);

Modified: bzr-playground/libccd/ccd/ccd-stylesheet.c
==============================================================================
--- bzr-playground/libccd/ccd/ccd-stylesheet.c	(original)
+++ bzr-playground/libccd/ccd/ccd-stylesheet.c	Mon Aug 18 13:50:46 2008
@@ -197,12 +197,12 @@
 }
 
 /*
- * `base' is used for the recursion.
+ * `iter' is used for the recursion.
  */
 static bool
 collect_type_r (ccd_stylesheet_t const	*self,
 	      ccd_node_t const		*node, 
-	      ccd_node_t const		*base,
+	      ccd_node_t const		*iter,
 	      ccd_selector_group_t	*result_group,
 	      bool			 as_base)
 {
@@ -213,18 +213,24 @@
 
 	node_class = ccd_node_get_class ();
 
-	type_name = node_class->get_type (base);
+	if (!iter) {
+		iter = node;
+	}
+
+	type_name = node_class->get_type (iter);
 
 	ret = false;
 	if (type_name) {
 
+		ccd_node_t *base;
+
 		group = g_hash_table_lookup (self->type_rules, type_name);
 		if (group) {
 			ret = ccd_selector_group_query_collect (group, node, result_group, as_base);
 		}
 
 		/* Try to match base types. */
-		base = node_class->get_base_style (base);
+		base = node_class->get_base_style (iter);
 		if (base) {
 			ret |= collect_type_r (self, node, base, result_group, true);
 			node_class->release (base);
@@ -280,12 +286,12 @@
 }
 
 /*
- * `base' is used for the recursion.
+ * `iter' is used for the recursion.
  */
 static bool
 apply_type_r (ccd_stylesheet_t const	*self,
 	      ccd_node_t const		*node, 
-	      ccd_node_t const		*base, 
+	      ccd_node_t const		*iter, 
 	      ccd_style_t		*style)
 {
 	ccd_node_class_t const	*node_class;
@@ -295,18 +301,24 @@
 
 	node_class = ccd_node_get_class ();
 
-	type_name = node_class->get_type (base);
+	if (!iter) {
+		iter = node;
+	}
+
+	type_name = node_class->get_type (iter);
 
 	ret = false;
 	if (type_name) {
 
+		ccd_node_t *base;
+
 		group = g_hash_table_lookup (self->type_rules, type_name);
 		if (group) {
 			ret = ccd_selector_group_query_apply (group, node, style);
 		}
 
 		/* Try to match base types. */
-		base = node_class->get_base_style (base);
+		base = node_class->get_base_style (iter);
 		if (base) {
 			ret |= apply_type_r (self, node, base, style);
 			node_class->release (base);

Modified: bzr-playground/src/Makefile.am
==============================================================================
--- bzr-playground/src/Makefile.am	(original)
+++ bzr-playground/src/Makefile.am	Mon Aug 18 13:50:46 2008
@@ -19,6 +19,8 @@
 	gce-functions.h \
 	gce-maps.c \
 	gce-maps.h \
+	gce-node.c \
+	gce-node.h \
 	gce-rc-style.c \
 	gce-rc-style.h \
 	gce-style.c \

Modified: bzr-playground/src/gce-functions.c
==============================================================================
--- bzr-playground/src/gce-functions.c	(original)
+++ bzr-playground/src/gce-functions.c	Mon Aug 18 13:50:46 2008
@@ -27,7 +27,7 @@
 	g_return_val_if_fail (args, NULL);
 
 	uri = (char const *) args->data;
-	gtk_rc_find_pixmap_in_path (gtk_settings_get_default (), NULL, uri);
+	return gtk_rc_find_pixmap_in_path (gtk_settings_get_default (), NULL, uri);
 }
 
 static ccd_function_t const _functions[] = 

Added: bzr-playground/src/gce-node.c
==============================================================================
--- (empty file)
+++ bzr-playground/src/gce-node.c	Mon Aug 18 13:50:46 2008
@@ -0,0 +1,295 @@
+/* Gtk CSS Engine
+ * Copyright (C) 2008 Robert Staudinger
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <string.h>
+#include "gce-node.h"
+
+static struct {
+	GceNode nodes[GCE_NODE_CACHE_SIZE];
+	int	cursor;
+} _node_cache = {
+	.cursor = -1
+};
+
+GceNode *
+gce_node_cache_get_top_node (void)
+{
+	return &_node_cache.nodes[_node_cache.cursor];
+}
+
+GceNode *
+gce_node_cache_fetch_node (void)
+{
+	GceNode *node;
+
+	g_assert (_node_cache.cursor < (GCE_NODE_CACHE_SIZE - 1));
+
+	_node_cache.cursor++;
+	node = &_node_cache.nodes[_node_cache.cursor];
+	memset (node, 0, sizeof (*node));
+
+	return node;
+}
+
+void
+gce_node_cache_release_node (GceNode *node)
+{
+	g_assert (_node_cache.cursor >= 0 && 
+		  node == &_node_cache.nodes[_node_cache.cursor]);
+
+	_node_cache.cursor--;
+}
+
+static gboolean
+is_a (GceNode const	*node,
+      char const	*type_name)
+{
+	GType gtype;
+
+	switch (node->flavor) {
+	case PRIMITIVE:
+		if (0 == strcmp (type_name, node->impl.primitive)) {
+			return TRUE;
+		}
+		/* fall thru */
+	case UNSET:
+	case CONTAINER:
+	case TYPE:
+		gtype = g_type_from_name (type_name);
+		return g_type_is_a (G_OBJECT_TYPE (node->widget), gtype);
+	default:
+		g_assert_not_reached ();
+		return FALSE;
+	}
+}
+
+static GceNode *
+get_container (GceNode const *node)
+{
+	GceNode		*container_node;
+	GtkWidget	*container;
+
+	g_assert (node);
+
+	switch (node->flavor) {
+	case UNSET:
+	case CONTAINER:
+		container = gtk_widget_get_parent (node->widget);
+		if (container) {
+			container_node = gce_node_cache_fetch_node ();
+			container_node->flavor = CONTAINER;
+			container_node->widget = (GtkWidget *) g_object_ref (G_OBJECT (container));
+			container_node->impl.gtype = G_OBJECT_TYPE (G_OBJECT (container));
+		}
+		break;
+	case PRIMITIVE:
+		container_node = gce_node_cache_fetch_node ();
+		container_node->flavor = UNSET;
+		container_node->widget = (GtkWidget *) g_object_ref (G_OBJECT (node->widget));
+		container_node->impl.primitive = NULL;
+		break;
+	case TYPE:
+		g_assert_not_reached ();
+		/* fall thru */
+	default:
+		container_node = NULL;
+	}
+
+	return container_node;
+}
+
+static GceNode *
+get_base_style (GceNode const *node)
+{
+	GceNode		*base_node;
+
+	g_assert (node);
+
+	switch (node->flavor) {
+	case UNSET:
+		if (GTK_TYPE_WIDGET == G_OBJECT_TYPE (G_OBJECT (node->widget))) {
+			/* already at top of inheritance hierarchy */
+			base_node = NULL;
+		} else {
+			/* inherit from superclass widget */
+			base_node = gce_node_cache_fetch_node ();
+			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
+			base_node->flavor = TYPE;
+			base_node->impl.gtype = g_type_parent (G_OBJECT_TYPE (G_OBJECT (node->widget)));
+		}
+		break;
+	case CONTAINER:
+		if (GTK_TYPE_WIDGET == node->impl.gtype) {
+			/* already at top of inheritance hierarchy */
+			base_node = NULL;
+		} else {
+			/* inherit from superclass widget */
+			base_node = gce_node_cache_fetch_node ();
+			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
+			base_node->flavor = CONTAINER;
+			base_node->impl.gtype = g_type_parent (node->impl.gtype);
+		} 
+		break;
+	case PRIMITIVE:
+		base_node = NULL;
+		break;
+	case TYPE:
+		if (GTK_TYPE_WIDGET == node->impl.gtype) {
+			/* already at top of inheritance hierarchy */
+			base_node = NULL;
+		} else {
+			/* inherit from superclass widget */
+			base_node = gce_node_cache_fetch_node ();
+			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
+			base_node->flavor = TYPE;
+			base_node->impl.gtype = g_type_parent (node->impl.gtype);
+		} 
+		break;
+	default:
+		g_assert_not_reached ();
+		base_node = NULL;
+	}
+
+	return base_node;
+}
+
+static char const *
+get_id (GceNode const *node)
+{
+	g_return_val_if_fail (node, NULL);
+
+	switch (node->flavor) {
+	case UNSET:
+	case CONTAINER:
+	case PRIMITIVE:
+		return gtk_widget_get_name (node->widget);
+	case TYPE:
+	default:
+		g_assert_not_reached ();
+		return NULL;
+	}
+}
+
+static char const *
+get_type (GceNode const *node)
+{
+	g_return_val_if_fail (node, NULL);
+
+	switch (node->flavor) {
+	case UNSET:
+		return G_OBJECT_TYPE_NAME (G_OBJECT (node->widget));
+	case CONTAINER:
+	case TYPE:
+		return g_type_name (node->impl.gtype);
+	case PRIMITIVE:
+		g_assert (node->impl.primitive);
+		return node->impl.primitive;
+	default:
+		g_assert_not_reached ();
+		return NULL;
+	}
+}
+
+static char const *
+get_class (GceNode const *node)
+{
+	g_return_val_if_fail (node, NULL);
+
+	return node->class_name;
+}
+
+static char const *
+get_pseudo_class (GceNode const *node)
+{
+	g_return_val_if_fail (node, NULL);
+
+	return node->pseudo_class;
+}
+
+static char const *
+get_attribute (GceNode const	*node, 
+	       char const	*name)
+{
+	GValue			 property;
+	char const		*value;
+
+	g_assert (node && node->widget);
+
+	if (node->flavor == TYPE) {
+		g_warning ("Querying attribute `%s' on something not a widget", name);
+		return NULL;
+	}
+
+	/* attributes provided in the drawing function take precedence */
+	if (0 == strcmp ("shadow", name)) {
+		return node->shadow;
+	} else if (0 == strcmp ("orientation", name)) {
+		return node->orientation;
+	} else if (0 == strcmp ("edge", name)) {
+		return node->edge;
+	} else if (0 == strcmp ("expander-style", name)) {
+		return node->expander_style;
+	}
+
+	/* now try to find an apropriate style property */
+	g_value_unset (&property);
+	gtk_widget_style_get_property (node->widget, name, &property);
+	value = NULL;
+	if (G_VALUE_HOLDS (&property, G_TYPE_BOOLEAN)) {
+		value = g_value_get_boolean (&property) ? "true" : "false";
+	} else if (G_VALUE_HOLDS (&property, G_TYPE_STRING)) {
+		value = g_value_get_string (&property);
+	} else {
+		g_warning ("Querying for properties of type `%s' is not supported yet.", 
+			   G_VALUE_TYPE_NAME (&property));
+	}
+
+	return value;
+}
+
+static void
+release (GceNode *node)
+{
+	g_assert (node == gce_node_cache_get_top_node ());
+
+	if (node->widget) {
+		g_object_unref (G_OBJECT (node->widget));
+	}
+
+	gce_node_cache_release_node (node);
+}
+
+static const ccd_node_class_t _node_class = {
+	.is_a			= (ccd_node_is_a_f) is_a,
+	.get_container		= (ccd_node_get_container_f) get_container,
+	.get_base_style		= (ccd_node_get_base_style_f) get_base_style,
+	.get_id			= (ccd_node_get_id_f) get_id,
+	.get_type		= (ccd_node_get_type_f) get_type,
+	.get_class		= (ccd_node_get_class_f) get_class,
+	.get_pseudo_class	= (ccd_node_get_pseudo_class_f) get_pseudo_class,
+	.get_attribute		= (ccd_node_get_attribute_f) get_attribute,
+	.release		= (ccd_node_release_f) release
+};
+
+ccd_node_class_t const *
+gce_node_get_class (void)
+{
+	return &_node_class;
+}
+

Added: bzr-playground/src/gce-node.h
==============================================================================
--- (empty file)
+++ bzr-playground/src/gce-node.h	Mon Aug 18 13:50:46 2008
@@ -0,0 +1,66 @@
+/* Gtk CSS Engine
+ * Copyright (C) 2008 Robert Staudinger
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef GCE_NODE_H
+#define GCE_NODE_H
+
+#include <ccd/ccd.h>
+#include <glib.h>
+#include <gtk/gtk.h>
+
+G_BEGIN_DECLS
+
+#define GCE_NODE_CACHE_SIZE 24
+
+/*
+ * TODO: split into load- and run-time variants?
+ */
+typedef struct {
+	ccd_node_t		 parent;
+	GtkWidget		*widget;
+	/* custom attributes { */
+	char const		*class_name;
+	char const		*pseudo_class;
+	char const		*shadow;
+	char const		*orientation;
+	char const		*edge;
+	char const		*expander_style;
+	/* } */
+	enum {
+		UNSET,
+		CONTAINER,
+		PRIMITIVE,
+		TYPE
+	} flavor;
+	union {
+		char const	*primitive;
+		GType		 gtype;
+	} impl;
+} GceNode;
+
+GceNode *	gce_node_cache_get_top_node	(void);
+GceNode *	gce_node_cache_fetch_node	(void);
+void		gce_node_cache_release_node	(GceNode *node);
+
+ccd_node_class_t const * gce_node_get_class (void);
+
+G_END_DECLS
+
+#endif /* GCE_NODE_H */
+

Modified: bzr-playground/src/gce-style.c
==============================================================================
--- bzr-playground/src/gce-style.c	(original)
+++ bzr-playground/src/gce-style.c	Mon Aug 18 13:50:46 2008
@@ -17,335 +17,22 @@
  * Boston, MA 02111-1307, USA.
  */
 
-#include <string.h>
 #include <gtk/gtk.h>
+#include "gce-maps.h"
+#include "gce-node.h"
 #include "gce-rc-style.h"
 #include "gce-style.h"
-#include "gce-maps.h"
-
-/* Implementation of hooks for the ccd library */
-
-enum GceNodeAttributeFlags {
-	CLASS		= 1 << 0,
-	PSEUDO_CLASS	= 1 << 1,
-	SHADOW		= 1 << 2
-};
-
-/*
- * TODO: split into load- and run-time variants?
- */
-typedef struct GceNode_ {
-	ccd_node_t		 parent;
-	GtkWidget		*widget;
-	/* custom attributes { */
-	char const		*class_name;
-	char const		*pseudo_class;
-	char const		*shadow;
-	char const		*orientation;
-	char const		*edge;
-	char const		*expander_style;
-	/* } */
-	enum {
-		UNSET,
-		CONTAINER,
-		PRIMITIVE,
-		TYPE
-	} flavor;
-	union {
-		char const	*primitive;
-		GType		 gtype;
-	} impl;
-} GceNode;
-
-#define NODE_CACHE_SIZE 24
-
-static struct GceNodeCache {
-	GceNode nodes[NODE_CACHE_SIZE];
-	int	cursor;
-} _node_cache = {
-	.cursor = -1
-};
-
-static GceNode *
-node_cache_top (struct GceNodeCache *cache)
-{
-	g_assert (cache);
-
-	return &cache->nodes[cache->cursor];
-}
-
-static GceNode *
-node_cache_push (struct GceNodeCache *cache)
-{
-	GceNode *node;
-
-	g_assert (cache && cache->cursor < (NODE_CACHE_SIZE - 1));
-
-	cache->cursor++;
-	node = &cache->nodes[cache->cursor];
-	memset (node, 0, sizeof (*node));
-
-	return node;
-}
-
-static void
-node_cache_pop (struct GceNodeCache *cache)
-{
-	g_assert (cache && cache->cursor >= 0);
-
-	cache->cursor--;
-}
-
-static gboolean
-is_a (GceNode const	*node,
-      char const	*type_name)
-{
-	GType gtype;
-
-	switch (node->flavor) {
-	case PRIMITIVE:
-		if (0 == strcmp (type_name, node->impl.primitive)) {
-			return TRUE;
-		}
-		/* fall thru */
-	case UNSET:
-	case CONTAINER:
-	case TYPE:
-		gtype = g_type_from_name (type_name);
-		return g_type_is_a (G_OBJECT_TYPE (node->widget), gtype);
-	default:
-		g_assert_not_reached ();
-		return FALSE;
-	}
-}
-
-static GceNode *
-get_container (GceNode const *node)
-{
-	GceNode		*container_node;
-	GtkWidget	*container;
-
-	g_assert (node);
-
-	switch (node->flavor) {
-	case UNSET:
-	case CONTAINER:
-		container = gtk_widget_get_parent (node->widget);
-		if (container) {
-			container_node = node_cache_push (&_node_cache);
-			container_node->flavor = CONTAINER;
-			container_node->widget = (GtkWidget *) g_object_ref (G_OBJECT (container));
-			container_node->impl.gtype = G_OBJECT_TYPE (G_OBJECT (container));
-		}
-		break;
-	case PRIMITIVE:
-		container_node = node_cache_push (&_node_cache);
-		container_node->flavor = UNSET;
-		container_node->widget = (GtkWidget *) g_object_ref (G_OBJECT (node->widget));
-		container_node->impl.primitive = NULL;
-		break;
-	case TYPE:
-		g_assert_not_reached ();
-		/* fall thru */
-	default:
-		container_node = NULL;
-	}
-
-	return container_node;
-}
-
-static GceNode *
-get_base_style (GceNode const *node)
-{
-	GceNode		*base_node;
-
-	g_assert (node);
-
-	switch (node->flavor) {
-	case UNSET:
-		if (GTK_TYPE_WIDGET == G_OBJECT_TYPE (G_OBJECT (node->widget))) {
-			/* already at top of inheritance hierarchy */
-			base_node = NULL;
-		} else {
-			/* inherit from superclass widget */
-			base_node = node_cache_push (&_node_cache);
-			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
-			base_node->flavor = TYPE;
-			base_node->impl.gtype = g_type_parent (G_OBJECT_TYPE (G_OBJECT (node->widget)));
-		}
-		break;
-	case CONTAINER:
-		if (GTK_TYPE_WIDGET == node->impl.gtype) {
-			/* already at top of inheritance hierarchy */
-			base_node = NULL;
-		} else {
-			/* inherit from superclass widget */
-			base_node = node_cache_push (&_node_cache);
-			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
-			base_node->flavor = CONTAINER;
-			base_node->impl.gtype = g_type_parent (node->impl.gtype);
-		} 
-		break;
-	case PRIMITIVE:
-		base_node = NULL;
-		break;
-	case TYPE:
-		if (GTK_TYPE_WIDGET == node->impl.gtype) {
-			/* already at top of inheritance hierarchy */
-			base_node = NULL;
-		} else {
-			/* inherit from superclass widget */
-			base_node = node_cache_push (&_node_cache);
-			base_node->widget = (GtkWidget *) g_object_ref (node->widget);
-			base_node->flavor = TYPE;
-			base_node->impl.gtype = g_type_parent (node->impl.gtype);
-		} 
-		break;
-	default:
-		g_assert_not_reached ();
-		base_node = NULL;
-	}
-
-	return base_node;
-}
-
-static char const *
-get_id (GceNode const *node)
-{
-	g_return_val_if_fail (node, NULL);
-
-	switch (node->flavor) {
-	case UNSET:
-	case CONTAINER:
-	case PRIMITIVE:
-		return gtk_widget_get_name (node->widget);
-	case TYPE:
-	default:
-		g_assert_not_reached ();
-		return NULL;
-	}
-}
-
-static char const *
-get_type (GceNode const *node)
-{
-	g_return_val_if_fail (node, NULL);
-
-	switch (node->flavor) {
-	case UNSET:
-		return G_OBJECT_TYPE_NAME (G_OBJECT (node->widget));
-	case CONTAINER:
-	case TYPE:
-		return g_type_name (node->impl.gtype);
-	case PRIMITIVE:
-		g_assert (node->impl.primitive);
-		return node->impl.primitive;
-	default:
-		g_assert_not_reached ();
-		return NULL;
-	}
-}
-
-static char const *
-get_class (GceNode const *node)
-{
-	g_return_val_if_fail (node, NULL);
-
-	return node->class_name;
-}
-
-static char const *
-get_pseudo_class (GceNode const *node)
-{
-	g_return_val_if_fail (node, NULL);
-
-	return node->pseudo_class;
-}
-
-static char const *
-get_attribute (GceNode const	*node, 
-	       char const	*name)
-{
-	GValue			 property;
-	char const		*value;
-
-	g_assert (node && node->widget);
-
-	if (node->flavor == TYPE) {
-		g_warning ("Querying attribute `%s' on something not a widget", name);
-		return NULL;
-	}
 
-	/* attributes provided in the drawing function take precedence */
-	if (0 == strcmp ("shadow", name)) {
-		return node->shadow;
-	} else if (0 == strcmp ("orientation", name)) {
-		return node->orientation;
-	} else if (0 == strcmp ("edge", name)) {
-		return node->edge;
-	} else if (0 == strcmp ("expander-style", name)) {
-		return node->expander_style;
-	}
-
-	/* now try to find an apropriate style property */
-	g_value_unset (&property);
-	gtk_widget_style_get_property (node->widget, name, &property);
-	value = NULL;
-	if (G_VALUE_HOLDS (&property, G_TYPE_BOOLEAN)) {
-		value = g_value_get_boolean (&property) ? "true" : "false";
-	} else if (G_VALUE_HOLDS (&property, G_TYPE_STRING)) {
-		value = g_value_get_string (&property);
-	} else {
-		g_warning ("Querying for properties of type `%s' is not supported yet.", 
-			   G_VALUE_TYPE_NAME (&property));
-	}
-
-	return value;
-}
-
-static void
-release (GceNode *node)
-{
-	g_assert (node == node_cache_top (&_node_cache));
-
-	if (node->widget) {
-		g_object_unref (G_OBJECT (node->widget));
-	}
-
-	node_cache_pop (&_node_cache);
-}
-
-static const ccd_node_class_t _node_class = {
-	.is_a			= (ccd_node_is_a_f) is_a,
-	.get_container		= (ccd_node_get_container_f) get_container,
-	.get_base_style		= (ccd_node_get_base_style_f) get_base_style,
-	.get_id			= (ccd_node_get_id_f) get_id,
-	.get_type		= (ccd_node_get_type_f) get_type,
-	.get_class		= (ccd_node_get_class_f) get_class,
-	.get_pseudo_class	= (ccd_node_get_pseudo_class_f) get_pseudo_class,
-	.get_attribute		= (ccd_node_get_attribute_f) get_attribute,
-	.release		= (ccd_node_release_f) release
-};
-
-ccd_node_class_t const *
-gce_style_get_ccd_node_class (void)
-{
-	return &_node_class;
-}
-
-/* Implementation of the engine's GtkStyle subclass */
-
-struct _GceStyle
+struct GceStyle_
 {
 	GtkStyle parent;
 };
 
-struct _GceStyleClass
+struct GceStyleClass_
 {
 	GtkStyleClass parent;
 };
 
-
 static GType          gce_style_type = 0;
 static GtkStyleClass *gce_style_parent_class = NULL;
 
@@ -501,14 +188,14 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "hline";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -516,8 +203,8 @@
 
 	line (self, node, base, window, area, widget, x1, x2, y, y);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -534,14 +221,14 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "vline";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -549,8 +236,8 @@
 
 	line (self, node, base, window, area, widget, x, x, y1, y2);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 
 }
 
@@ -570,7 +257,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -578,7 +265,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "shadow";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -588,8 +275,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -608,7 +295,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -616,7 +303,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "box";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -626,8 +313,8 @@
 	rectangle (self, node, base, window, area, widget,
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -646,7 +333,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -654,7 +341,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "flatbox";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -664,8 +351,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -684,7 +371,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -692,7 +379,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "check";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -702,8 +389,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -722,7 +409,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -730,7 +417,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "option";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -740,8 +427,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -763,7 +450,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -771,7 +458,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "shadow";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -781,8 +468,8 @@
 	gap (self, node, base, window, area, widget, 
 	     x, y, width, height, gap_side, gap_start, gap_width);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -804,7 +491,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -812,7 +499,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "box";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -822,8 +509,8 @@
 	gap (self, node, base, window, area, widget, 
 	     x, y, width, height, gap_side, gap_start, gap_width);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -844,7 +531,7 @@
 	GceNode *base;
 	gint	 gap_width;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -852,7 +539,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "extension";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -873,8 +560,8 @@
 	gap (self, node, base, window, area, widget, 
 	     x, y, width, height, gap_side, 0, gap_width);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -894,7 +581,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -903,7 +590,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "slider";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -914,8 +601,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -935,7 +622,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -944,7 +631,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "handle";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -955,8 +642,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -975,7 +662,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -983,7 +670,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "resizegrip";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -993,8 +680,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 
@@ -1012,14 +699,14 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "focus";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -1028,8 +715,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, FALSE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void
@@ -1059,7 +746,7 @@
 	}
 
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -1067,7 +754,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "expander";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -1077,8 +764,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, expander_size, expander_size, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 #undef DEFAULT_EXPANDER_SIZE
 }
 
@@ -1098,7 +785,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -1106,7 +793,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "diamond";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -1116,8 +803,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void
@@ -1138,7 +825,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -1147,7 +834,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "arrow";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -1158,8 +845,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void
@@ -1178,7 +865,7 @@
 	GceNode *node;
 	GceNode *base;
 
-	base = node_cache_push (&_node_cache);
+	base = gce_node_cache_fetch_node ();
 	base->widget = widget;
 	base->class_name = gce_maps_get_detail (detail);
 	base->pseudo_class = gce_maps_get_state (state);
@@ -1186,7 +873,7 @@
 	base->flavor = PRIMITIVE;
 	base->impl.primitive = "tab";
 
-	node = node_cache_push (&_node_cache);
+	node = gce_node_cache_fetch_node ();
 	node->widget = widget;
 	node->class_name = base->class_name;
 	node->pseudo_class = base->pseudo_class;
@@ -1196,8 +883,8 @@
 	rectangle (self, node, base, window, area, widget, 
 		   x, y, width, height, TRUE);
 
-	node_cache_pop (&_node_cache);
-	node_cache_pop (&_node_cache);
+	gce_node_cache_release_node (node);
+	gce_node_cache_release_node (base);
 }
 
 static void 

Modified: bzr-playground/src/gce-style.h
==============================================================================
--- bzr-playground/src/gce-style.h	(original)
+++ bzr-playground/src/gce-style.h	Mon Aug 18 13:50:46 2008
@@ -33,10 +33,8 @@
 #define GCE_IS_STYLE_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass), GCE_TYPE_STYLE))
 #define GCE_STYLE_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj), GCE_TYPE_STYLE, GceStyleClass))
 
-typedef struct _GceStyle GceStyle;
-typedef struct _GceStyleClass GceStyleClass;
-
-ccd_node_class_t const * gce_style_get_ccd_node_class (void);
+typedef struct GceStyle_	GceStyle;
+typedef struct GceStyleClass_	GceStyleClass;
 
 void  gce_style_register_type (GTypeModule *module);
 GType gce_style_get_type      (void) G_GNUC_CONST;

Modified: bzr-playground/src/gce-theme.c
==============================================================================
--- bzr-playground/src/gce-theme.c	(original)
+++ bzr-playground/src/gce-theme.c	Mon Aug 18 13:50:46 2008
@@ -22,6 +22,7 @@
 #include <gtk/gtk.h>
 
 #include "gce-functions.h"
+#include "gce-node.h"
 #include "gce-style.h"
 #include "gce-rc-style.h"
 
@@ -40,7 +41,7 @@
 	gce_rc_style_register_type (module);
 	gce_style_register_type (module);
 
-	node_class = gce_style_get_ccd_node_class ();
+	node_class = gce_node_get_class ();
 	vtable = gce_functions_get_vtable ();
 	ccd_init (node_class, vtable);
 }