#if !defined( INCLUDED_GTKUTIL_CLOSURE_H )
#define INCLUDED_GTKUTIL_CLOSURE_H

#include <glib-object.h>
#include "generic/callback.h"

inline void closure_destroy( gpointer data, GClosure* closure ){
	delete reinterpret_cast<Callback*>( data );
}

inline GClosure* create_cclosure( GCallback func, const Callback& callback ){
	return g_cclosure_new( func, new Callback( callback ), closure_destroy );
}

inline GValue GValue_default(){
	GValue value;
	value.g_type = 0;
	return value;
}

inline gint object_get_int_property( GObject* object, const char* property ){
	GValue gvalue = GValue_default();
	g_value_init( &gvalue, G_TYPE_INT );
	g_object_get_property( object, property, &gvalue );
	return g_value_get_int( &gvalue );
}

inline void object_set_int_property( GObject* object, const char* property, gint value ){
	GValue gvalue = GValue_default();
	g_value_init( &gvalue, G_TYPE_INT );
	g_value_set_int( &gvalue, value );
	g_object_set_property( object, property, &gvalue );
}

inline gboolean object_get_boolean_property( GObject* object, const char* property ){
	GValue gvalue = GValue_default();
	g_value_init( &gvalue, G_TYPE_BOOLEAN );
	g_object_get_property( object, property, &gvalue );
	return g_value_get_boolean( &gvalue );
}

inline void object_set_boolean_property( GObject* object, const char* property, gboolean value ){
	GValue gvalue = GValue_default();
	g_value_init( &gvalue, G_TYPE_BOOLEAN );
	g_value_set_boolean( &gvalue, value );
	g_object_set_property( object, property, &gvalue );
}

#endif