packet_list_header.h

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#ifndef UI_QT_WIDGETS_PACKET_LIST_HEADER_H_
#define UI_QT_WIDGETS_PACKET_LIST_HEADER_H_
 
#include <epan/cfile.h>
 
#include <QDrag>
#include <QMenu>
#include <QPoint>
 
#include <ui/qt/widgets/adaptive_header_view.h>
 
class QEvent;

class PacketListHeader : public AdaptiveHeaderView
{
    Q_OBJECT
 
public:
    PacketListHeader(Qt::Orientation orientation, QWidget *parent = nullptr);

    void showContextMenuAt(QContextMenuEvent *event);

    void forwardMousePressEvent(QMouseEvent *event);
    void forwardMouseMoveEvent(QMouseEvent *event);
    void forwardMouseReleaseEvent(QMouseEvent *event);
 
protected:
    virtual void dropEvent(QDropEvent *event) override;

    virtual void dragEnterEvent(QDragEnterEvent *event) override;

    virtual void dragMoveEvent(QDragMoveEvent *event) override;

    virtual void mouseMoveEvent(QMouseEvent *e) override;

    virtual void mousePressEvent(QMouseEvent *e) override;
    virtual void mouseReleaseEvent(QMouseEvent *e) override;

    virtual void contextMenuEvent(QContextMenuEvent *event) override;
 
protected slots:
    void columnVisibilityTriggered();

    void setAlignment(QAction *action);

    void setDisplayFormat(QAction *action);

    void showColumnPrefs();

    void doEditColumn();

    void resizeToContent();

    void removeColumn();

    void resizeToWidth();
 
    // Freezes all columns up to and including the context-menu column.
    void doFreezeColumnsToHere();
 
    // Clears the frozen-column boundary.
    void doUnfreezeColumns();
 
signals:
    void resetColumnWidth(int col);

    void updatePackets(bool redraw);

    void showColumnPreferences(QString pane_name);

    void editColumn(int column);

    void columnsChanged();

    void freezeColumnsToHere(int logicalIndex);
 
    // Signal emitted to clear the frozen-column boundary.
    void unfreezeColumns();
 
    // Emitted when a left-button drag on the header starts (true) or ends (false).
    void dragActiveChanged(bool active);
 
public:
    void setFrozenColumnCount(int frozen_column_count);
 
private:
    QPoint press_pos_;
    bool press_active_ = false;
    bool drag_active_ = false;
    void setDragActive(bool active);
    int sectionIdx; 
    int frozen_column_count_; 
};
 
#endif