maptoolprofilemarker.h

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#ifndef OPENSWMMVIS_MAP_TOOLS_MAPTOOLPROFILEMARKER_H
#define OPENSWMMVIS_MAP_TOOLS_MAPTOOLPROFILEMARKER_H
 
#include "map/tools/maptool.h"
 
class MeshProfileOverlay;
 
class MapToolProfileMarker : public OpenSWMMVisMapTool
{
    Q_OBJECT
public:
    explicit MapToolProfileMarker(MapCanvas *canvas, QObject *parent = nullptr);
 
    void setOverlay(MeshProfileOverlay *overlay);
 
    [[nodiscard]] QCursor cursor() const override;
 
    void deactivate() override;
    void mousePressEvent(QMouseEvent *event) override;
    void mouseMoveEvent(QMouseEvent *event) override;
    void mouseReleaseEvent(QMouseEvent *event) override;
    void paint(QPainter *painter,
               const MapExtent &canvasExtent,
               const SpatialReferenceSystem *canvasSRS) override;
 
signals:
    void markerChainageChanged(double chainage);
 
private:
    [[nodiscard]] QPointF pixelToScene_(int px, int py) const;
    void endDrag_();
 
    // Raw pointer: the owning MeshProfilePlotDialog clears it (setOverlay(nullptr))
    // before deleting the overlay, so it never dangles. MeshProfileOverlay is a
    // plain (non-QObject) class, so QPointer isn't applicable.
    MeshProfileOverlay *m_overlay = nullptr;
    bool   m_dragging = false;
    double m_chainage = 0.0;
};
 
#endif // OPENSWMMVIS_MAP_TOOLS_MAPTOOLPROFILEMARKER_H