netradiant-custom/libs/gtkutil/idledraw.h
2022-10-27 09:10:31 +03:00

50 lines
1.3 KiB
C++

/*
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
*/
#pragma once
#include "generic/callback.h"
#include <QTimer>
class IdleDraw
{
Callback m_draw;
QTimer m_timer;
public:
IdleDraw( const Callback& draw ) : m_draw( draw ){
m_timer.setSingleShot( true );
m_timer.callOnTimeout( m_draw );
}
void queueDraw(){
if( !m_timer.isActive() )
m_timer.start();
}
typedef MemberCaller<IdleDraw, &IdleDraw::queueDraw> QueueDrawCaller;
void flush(){
if ( m_timer.isActive() ) {
m_timer.stop();
m_draw();
}
}
};