fileObserver.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: fileObserver.h,v 1.1.4.1 2007/03/25 21:26:20 oliver Exp $
//

#ifndef BALL_VIEW_WIDGETS_FILEOBSERVER_H
#define BALL_VIEW_WIDGETS_FILEOBSERVER_H

#ifndef BALL_VIEW_WIDGETS_DOCKWIDGET_H
# include <BALL/VIEW/WIDGETS/dockWidget.h>
#endif

#include <QtCore/qtimer.h>
#include <QtCore/QDateTime>

class QAction;

namespace BALL
{
  namespace VIEW
  {
    class BALL_VIEW_EXPORT FileObserver
      : public DockWidget
    {
      Q_OBJECT

      public:

      BALL_EMBEDDABLE(FileObserver,DockWidget)
    
      
      FileObserver(QWidget *parent = 0, const char *name = 0);

      virtual ~FileObserver();

      //
      virtual void initializeWidget(MainControl& main_control);
      
      //
      virtual void checkMenu(MainControl& main_control);

      void setFileName(String filename);

      String getFileName() const;

      void setUpdateInterval(Size msec);

      public slots:

      void updateFile();

      void start();

      void stop();

      void chooseFile();

      protected:

      QAction* start_action_, *stop_action_;

      QTimer      timer_;
      String      file_name_;
      QDateTime   last_vis_time_;
    };
    
} } // namespaces

#endif // BALL_VIEW_WIDGETS_FILEOBSERVER_H