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examples/splineeditor/CanvasPicker.h

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+/*****************************************************************************
+ * Qwt Examples - Copyright (C) 2002 Uwe Rathmann
+ * This file may be used under the terms of the 3-clause BSD License
+ *****************************************************************************/
+
+#pragma once
+
+#include <QwtGlobal>
+#include <QObject>
+
+class QPointF;
+class QwtPlot;
+class QwtPlotCurve;
+
+class CanvasPicker : public QObject
+{
+  public:
+    CanvasPicker( bool sortedX, QwtPlot* plot );
+    virtual bool eventFilter( QObject*, QEvent* ) QWT_OVERRIDE;
+
+  private:
+    void select( const QPointF& );
+    void move( const QPointF& );
+
+    QwtPlot* plot();
+    const QwtPlot* plot() const;
+
+    QwtPlotCurve* m_selectedCurve;
+    int m_selectedPoint;
+    const bool m_sortedX;
+};