彻底改版2.0

third/qwtdemo/examples/stockchart/griditem.h

@@ -0,0 +1,70 @@
+#ifndef _GRID_ITEM_H_
+#define _GRID_ITEM_H_
+
+#include <qwt_plot_item.h>
+#include <qwt_scale_div.h>
+#include <qpalette.h>
+
+class GridItem: public QwtPlotItem
+{
+public:
+    enum GridAttribute
+    {
+        AutoUpdate = 0x01,
+        FillCanvas       = 0x02
+    };
+
+    typedef QFlags<GridAttribute> GridAttributes;
+
+    explicit GridItem();
+    virtual ~GridItem();
+
+    virtual int rtti() const;
+
+    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 *p,
+        const QwtScaleMap &xMap, const QwtScaleMap &yMap,
+        const QRectF &rect ) const;
+
+    virtual void updateScaleDiv(
+        const QwtScaleDiv &xMap, const QwtScaleDiv &yMap );
+
+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 )
+
+#endif