TableDoubleHeaderView.h

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#ifndef TABLEDOUBLEHEADERVIEW_H
#define TABLEDOUBLEHEADERVIEW_H
 
#include <QHeaderView>
#include "TableModel.h"
 
 
class TableCommentsHeaderView : public QHeaderView
{
    Q_OBJECT
 
    public:
        TableCommentsHeaderView(QWidget *parent = 0);
        virtual ~TableCommentsHeaderView();
 
    virtual void setModel(QAbstractItemModel * model);
 
    friend class TableDoubleHeaderView; // access to paintSection (protected)
};
 
/*
 * This class is only to be used by TableView.
 * It allows for displaying two horizontal headers.
 * A TableDoubleHeaderView displays the column name, plot designation, and
 * type icon in a normal QHeaderView and below that a second header
 * which displays the column comments. 
 * 
 * \sa TableCommentsHeaderView
 * \sa QHeaderView
 */
class TableDoubleHeaderView : public QHeaderView
{
    Q_OBJECT
 
    private:
        TableCommentsHeaderView * d_slave;
 
    public:
        TableDoubleHeaderView(QWidget * parent = 0);
        ~TableDoubleHeaderView();
 
        virtual void setModel(QAbstractItemModel * model);
        virtual QSize sizeHint () const;
        void showComments(bool on = true);
        bool areCommentsShown() const;
 
    public slots:
        // adjust geometry and repaint header 
        void refresh();
        // React to a header data change
        void headerDataChanged(Qt::Orientation orientation, int logicalFirst, int logicalLast);
 
    protected slots:
        void sectionsInserted(const QModelIndex & parent, int logicalFirst, int logicalLast);
 
    protected:
        virtual void paintSection(QPainter * painter, const QRect & rect, int logicalIndex) const;
    
        bool d_show_comments;
};
 
 
 
 
#endif // #ifndef TABLEDOUBLEHEADERVIEW_H