pinned_row_view.h

Go to the documentation of this file.

 
#ifndef PINNED_ROW_VIEW_H
#define PINNED_ROW_VIEW_H
 
#include <QTreeView>
#include <QPainter>
#include <QPersistentModelIndex>
 
class PacketList;

class PinnedRowView : public QTreeView
{
    Q_OBJECT
public:
    explicit PinnedRowView(PacketList *packet_list, QWidget *parent = nullptr);

    void setColumnRange(int first, int last);

    bool isCornerView() const { return first_column_ == 0 && last_column_ >= 0; }

    PacketList *packetList() const { return packet_list_; }
 
    // Mirrors a single section's width from the primary view's header.
    void mirrorSectionWidth(int column, int width);

    QSize sizeHint() const override;
 
public slots:
    // Mirrors the primary view's horizontal scroll position.
    void setHorizontalScrollValue(int value);
 
protected:
    void updateGeometries() override;

    void mousePressEvent(QMouseEvent *event) override;
 
    // Ends a click, dispatching it to the column's delegate.
    void mouseReleaseEvent(QMouseEvent *event) override;

    void mouseMoveEvent(QMouseEvent *event) override;
 
    // Clears the reported hover row when the mouse leaves this view.
    void leaveEvent(QEvent *event) override;
 
    // Forwards context menu requests to the primary packet list.
    void contextMenuEvent(QContextMenuEvent *event) override;
 
    // Forwards wheel scrolling to the primary packet list.
    void wheelEvent(QWheelEvent *event) override;

    void drawRow(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const override;

    void resizeEvent(QResizeEvent *event) override;
 
private:
    PacketList *packet_list_;
    int first_column_;
    int last_column_;
 
    // Cell pressed with the left button, used to start a cell drag on the
    // first mouse move within it (as PacketList does). Invalid when no
    // drag is armed.
    QPersistentModelIndex drag_index_;

    QWidget *right_divider_;
 
    void applyColumnVisibility();
};
 
#endif // PINNED_ROW_VIEW_H