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#include <qmainwindow.h>
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#include <qwt_polygon.h>
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class MainWin : public QMainWindow
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MainWin(QWidget *parent = 0);
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void moved(const QPoint &);
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void selected(const QwtPolygon &);
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void enableZoomMode(bool);
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void showInfo(QString text = QString::null);
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QwtPlotZoomer *d_zoomer[2];
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QwtPlotPicker *d_picker;
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QwtPlotPanner *d_panner;