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examples/stockchart/GridItem.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 <QwtPlotItem>
+#include <QwtScaleDiv>
+#include <QPalette>
+
+class GridItem : public QwtPlotItem
+{
+  public:
+    enum GridAttribute
+    {
+        AutoUpdate = 0x01,
+        FillCanvas = 0x02
+    };
+
+    typedef QFlags< GridAttribute > GridAttributes;
+
+    explicit GridItem();
+    virtual ~GridItem();
+
+    virtual int rtti() const QWT_OVERRIDE;
+
+    void setGridAttribute( GridAttribute, bool on = true );
+    bool testGridAttribute( GridAttribute ) const;
+
+    void setOrientations( Qt::Orientations );
+    Qt::Orientations orientations() const;
+
+    void enableXMin( bool );
+    bool isXMinEnabled() const;
+
+    void enableYMin( bool );
+    bool isYMinEnabled() const;
+
+    void setXDiv( const QwtScaleDiv& sx );
+    const QwtScaleDiv& xScaleDiv() const;
+
+    void setYDiv( const QwtScaleDiv& sy );
+    const QwtScaleDiv& yScaleDiv() const;
+
+    void setPalette( const QPalette& );
+    QPalette palette() const;
+
+    virtual void draw( QPainter*,
+        const QwtScaleMap& xMap, const QwtScaleMap& yMap,
+        const QRectF& rect ) const QWT_OVERRIDE;
+
+    virtual void updateScaleDiv(
+        const QwtScaleDiv& xMap, const QwtScaleDiv& yMap ) QWT_OVERRIDE;
+
+  protected:
+    virtual QBrush brush( int row, int column, const QRectF& ) const;
+
+  private:
+    Qt::Orientations m_orientations;
+    GridAttributes m_gridAttributes;
+
+    QwtScaleDiv m_xScaleDiv;
+    QwtScaleDiv m_yScaleDiv;
+
+    bool m_isXMinEnabled;
+    bool m_isYMinEnabled;
+
+    QPalette m_palette;
+};
+
+Q_DECLARE_OPERATORS_FOR_FLAGS( GridItem::GridAttributes )