curveeditchartview.h

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#ifndef OPENSWMMVIS_UI_WIDGETS_CURVEEDITCHARTVIEW_H
#define OPENSWMMVIS_UI_WIDGETS_CURVEEDITCHARTVIEW_H
 
#include "ui/widgets/interactivechartview.h"
 
#include <QPoint>
#include <QPointer>
#include <QVector>
 
class QChart;
class QLineSeries;
class QScatterSeries;
class QRubberBand;
class QUndoStack;
 
namespace openswmmvis::curve {
class CurveProvider;
struct CurvePoint;
}
 
namespace openswmmvis::ui {
 
class ChartAxisFormatController;
 
class CurveEditChartView : public InteractiveChartView
{
    Q_OBJECT
 
public:
    enum class EditMode {
        None,           
        EditPoints,     
    };
    Q_ENUM(EditMode)
 
    
    CurveEditChartView(QChart *chart,
                       QLineSeries *referenceSeries,
                       QWidget *parent = nullptr);
    ~CurveEditChartView() override;
 
    // ── MVC binding ─────────────────────────────────────────────────────────
 
    openswmmvis::curve::CurveProvider *provider() const noexcept;
    void setProvider(openswmmvis::curve::CurveProvider *p);
 
    void setUndoStack(QUndoStack *stack);
    QUndoStack *undoStack() const noexcept { return m_undoStack; }
 
    void setAxisFormatController(ChartAxisFormatController *c) { m_axisFmt = c; }
 
    // ── Edit mode ───────────────────────────────────────────────────────────
 
    EditMode editMode() const noexcept { return m_editMode; }
    void setEditMode(EditMode m);
 
    // ── Axis locks (per-dialog toolbar toggles) ─────────────────────────────
 
    bool lockX() const noexcept { return m_lockX; }
    bool lockY() const noexcept { return m_lockY; }
    void setLockX(bool on);
    void setLockY(bool on);
 
    // ── Selection ───────────────────────────────────────────────────────────
 
    QVector<int> selectedIndices() const { return m_selection; }
    void clearSelection();
    void setSelection(QVector<int> indices);
 
    // ── Testing / introspection ─────────────────────────────────────────────
 
    int hitTestPoint(const QPoint &viewportPx, int hitRadiusPx = 8) const;
 
signals:
    void selectionChanged(const QVector<int> &indices);
    void editModeChanged(EditMode m);
    void lockXChanged(bool on);
    void lockYChanged(bool on);
 
protected:
    void mousePressEvent(QMouseEvent *e) override;
    void mouseMoveEvent(QMouseEvent *e) override;
    void mouseReleaseEvent(QMouseEvent *e) override;
    void contextMenuEvent(QContextMenuEvent *e) override;
 
private slots:
    void onProviderPointsChanged_();
 
private:
    void refreshSelectionOverlay_();
    QPointF viewportToValue_(const QPoint &px) const;
 
    QPointer<openswmmvis::curve::CurveProvider> m_provider;
    QUndoStack       *m_undoStack       = nullptr;
    QLineSeries      *m_referenceSeries = nullptr;   
    QScatterSeries   *m_selectedScatter = nullptr;   
    ChartAxisFormatController *m_axisFmt = nullptr;  
 
    EditMode m_editMode = EditMode::None;
    bool     m_lockX    = false;
    bool     m_lockY    = false;
 
    // Drag / selection state.
    bool         m_pointDragging   = false;
    bool         m_rubberSelecting = false;
    QPoint       m_pressPos;
    QPointF      m_pressValue;
    QVector<int> m_dragIndices;
    QVector<openswmmvis::curve::CurvePoint> m_dragInitial;
 
    QVector<int> m_selection;
    QRubberBand *m_selectionBand = nullptr;
};
 
} // namespace openswmmvis::ui
 
#endif // OPENSWMMVIS_UI_WIDGETS_CURVEEDITCHARTVIEW_H