overviewmappanel.h

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#ifndef OPENSWMMVIS_UI_PANELS_OVERVIEWMAPPANEL_H
#define OPENSWMMVIS_UI_PANELS_OVERVIEWMAPPANEL_H
 
#include <QDockWidget>
#include <QPointer>
#include <QRectF>
#include <QWidget>
 
class MapCanvas;
class SWMMModelLayer;
 
namespace openswmmvis::ui {
 
class OverviewMapWidget : public QWidget
{
    Q_OBJECT
public:
    explicit OverviewMapWidget(QWidget *parent = nullptr);
    void setCanvas(MapCanvas *canvas);
    void setModelLayer(SWMMModelLayer *layer);
 
    void refresh();   
 
signals:
    void requestCenterAt(const QPointF &mapPt);
    void requestPanTo(const QRectF &mapRect);
 
protected:
    void paintEvent(QPaintEvent *e) override;
    void mousePressEvent(QMouseEvent *e) override;
    void mouseMoveEvent(QMouseEvent *e) override;
    void mouseReleaseEvent(QMouseEvent *e) override;
 
private:
    QPointF widgetToMap(const QPoint &px) const;
 
    QPointer<MapCanvas>      m_canvas;
    QPointer<SWMMModelLayer> m_modelLayer;
    QRectF                   m_modelExtent;
    QVector<QPointF>         m_nodeCoords;        // map space
    QVector<QPair<QPointF, QPointF>> m_linkLines; // map space
 
    bool   m_dragging = false;
    QPoint m_dragStart;
};
 
class OverviewMapPanel : public QDockWidget
{
    Q_OBJECT
public:
    explicit OverviewMapPanel(QWidget *parent = nullptr);
    OverviewMapWidget *widget() const { return m_widget; }
 
private:
    OverviewMapWidget *m_widget = nullptr;
};
 
} // namespace openswmmvis::ui
 
#endif // OPENSWMMVIS_UI_PANELS_OVERVIEWMAPPANEL_H