vmap/libs/gtkutil/closure.h

/*
   Copyright (C) 2001-2006, William Joseph.
   All Rights Reserved.

   This file is part of GtkRadiant.

   GtkRadiant is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   GtkRadiant 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with GtkRadiant; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#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<void()> *>( data );
}

inline GClosure *create_cclosure(GCallback func, const Callback<void()> &callback)
{
	return g_cclosure_new(func, new Callback<void()>(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