maptoolselectpolygon.h

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#ifndef MAPTOOLSELECTPOLYGON_H
#define MAPTOOLSELECTPOLYGON_H
 
#include "map/tools/maptool.h"
 
#include <QColor>
#include <QPoint>
#include <QVector>
 
class OpenSWMMVisLayer;
 
class OpenSWMMVisMapToolSelectPolygon : public OpenSWMMVisMapTool
{
    Q_OBJECT
 
public:
    explicit OpenSWMMVisMapToolSelectPolygon(MapCanvas *canvas,
                                             QObject *parent = nullptr);
 
    [[nodiscard]] QCursor cursor() const override;
 
    void activate()   override;
    void deactivate() override;
 
    void mousePressEvent(QMouseEvent *event)       override;
    void mouseMoveEvent(QMouseEvent *event)        override;
    void mouseReleaseEvent(QMouseEvent *event)     override;
    void mouseDoubleClickEvent(QMouseEvent *event) override;
    void keyPressEvent(QKeyEvent *event)           override;
 
    void paint(QPainter *painter,
               const MapExtent &canvasExtent,
               const SpatialReferenceSystem *canvasSRS) override;
 
signals:
    void selectionChanged(OpenSWMMVisLayer *layer);
 
private:
    void finalizeSelection(Qt::KeyboardModifiers mods);
    void cancel();
    void requestRepaint();
 
    QVector<QPoint> m_vertices;          // committed vertices (widget pixels)
    QPoint          m_cursorPx;          // live cursor position (widget pixels)
    bool            m_haveCursor = false;
    QColor          m_lineColor  = QColor(0, 120, 255);
    QColor          m_fillColor  = QColor(0, 120, 255, 40);
};
 
#endif // MAPTOOLSELECTPOLYGON_H