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