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/*
*
* $Id: k3bthreadwidget.h 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program 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.
* See the file "COPYING" for the exact licensing terms.
*/
#ifndef _K3B_THREAD_WIDGET_H_
#define _K3B_THREAD_WIDGET_H_
#include <tqobject.h>
#include <tqintdict.h>
class TQCustomEvent;
namespace K3bDevice {
class Device;
}
/**
* This class allows a thread other than the GUI thread to perform simple GUI
* operations. Mainly creating some simple K3b Dialogs like Device selection.
*
* Since the calling thread cannot create the K3bThreadWidget by himself there exists
* exactly one instance created by K3bCore which is used by all threads.
*/
class K3bThreadWidget : public TQObject
{
Q_OBJECT
public:
~K3bThreadWidget();
static K3bThreadWidget* instance();
/**
* Call this from a thread to show a device selection dialog.
*/
static K3bDevice::Device* selectDevice( TQWidget* parent,
const TQString& text = TQString() );
protected:
/**
* communication between the threads
*/
void customEvent( TQCustomEvent* );
private:
/**
* used internally
*/
class DeviceSelectionEvent;
class Data;
K3bThreadWidget();
/**
* Get unique id
*/
int getNewId();
void clearId( int id );
Data* data( int id );
int m_idCounter;
TQIntDict<Data> m_dataMap;
static K3bThreadWidget* s_instance;
};
#endif
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