File indexing completed on 2024-12-01 07:32:42

 /*
     SPDX-FileCopyrightText: 2005-2009 Sebastian Trueg <trueg@k3b.org>
     SPDX-FileCopyrightText: 1998-2009 Sebastian Trueg <trueg@k3b.org>
 
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef _K3B_THREAD_WIDGET_H_
 #define _K3B_THREAD_WIDGET_H_
 
 #include <QObject>
 #include <QHash>
 
 namespace K3b {
     namespace Device {
         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 ThreadWidget by himself there exists
      * exactly one instance created by Core which is used by all threads.
      */
     class ThreadWidget : public QObject
     {
         Q_OBJECT
 
     public:
         ~ThreadWidget() override;
 
         static ThreadWidget* instance();
 
         /**
          * Call this from a thread to show a device selection dialog.
          */
         static Device::Device* selectDevice( QWidget* parent,
                                                   const QString& text = QString() );
 
     protected:
         /**
          * communication between the threads
          */
         void customEvent( QEvent* ) override;
 
     private:
         /**
          * used internally
          */
         class DeviceSelectionEvent;
         class Data;
 
         ThreadWidget();
 
         /**
          * Get unique id
          */
         int getNewId();
         void clearId( int id );
         Data* data( int id );
 
         int m_idCounter;
         QHash<int, Data*> m_dataMap;
 
         static ThreadWidget* s_instance;
     };
 }
 
 #endif