50 lines
1.3 KiB
C++
50 lines
1.3 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#pragma once
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#include "generic/callback.h"
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#include <QTimer>
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class IdleDraw
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{
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Callback m_draw;
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QTimer m_timer;
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public:
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IdleDraw( const Callback& draw ) : m_draw( draw ){
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m_timer.setSingleShot( true );
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m_timer.callOnTimeout( m_draw );
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}
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void queueDraw(){
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if( !m_timer.isActive() )
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m_timer.start();
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}
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typedef MemberCaller<IdleDraw, &IdleDraw::queueDraw> QueueDrawCaller;
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void flush(){
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if ( m_timer.isActive() ) {
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m_timer.stop();
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m_draw();
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}
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}
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};
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