#if !defined( INCLUDED_GTKUTIL_IDLEDRAW_H )
#define INCLUDED_GTKUTIL_IDLEDRAW_H

#include <glib/gmain.h>

#include "generic/callback.h"

class IdleDraw
{
Callback m_draw;
unsigned int m_handler;
static gboolean draw( gpointer data ){
	reinterpret_cast<IdleDraw*>( data )->m_draw();
	reinterpret_cast<IdleDraw*>( data )->m_handler = 0;
	return FALSE;
}
public:
IdleDraw( const Callback& draw ) : m_draw( draw ), m_handler( 0 ){
}
~IdleDraw(){
	if ( m_handler != 0 ) {
		g_source_remove( m_handler );
	}
}
void queueDraw(){
	if ( m_handler == 0 ) {
		m_handler = g_idle_add( &draw, this );
	}
}
typedef MemberCaller<IdleDraw, &IdleDraw::queueDraw> QueueDrawCaller;

void flush(){
	if ( m_handler != 0 ) {
		draw( this );
	}
}
};


#endif