ScenePointSelectionMode.h

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#ifndef CNOID_BASE_SCENE_POINT_SELECTION_MODE_H
#define CNOID_BASE_SCENE_POINT_SELECTION_MODE_H
 
#include "SceneWidgetEventHandler.h"
#include <cnoid/EigenTypes>
#include <cnoid/Signal>
#include <vector>
#include <memory>
#include "exportdecl.h"
 
namespace cnoid {
 
class CNOID_EXPORT ScenePointSelectionMode : public SceneWidgetEventHandler
{
    class Impl;
    
public:
    ScenePointSelectionMode();
    ScenePointSelectionMode(const ScenePointSelectionMode& org) = delete;
    virtual ~ScenePointSelectionMode();
 
    void setCustomModeId(int id);
 
    class PointInfo : public Referenced
    {
    public:
        PointInfo();
 
        bool operator==(const PointInfo& rhs) const = delete;
        bool hasSameVertexWith(const PointInfo& point) const;
 
        const SgNodePath& path() const { return *path_; }
 
        int vertexIndex() const { return vertexIndex_; }
 
        int triangleVertexIndex() const { return triangleVertexIndex_; }
        
        const Vector3f& position() const { return position_; }
        const Vector3f& normal() const { return normal_; }
        bool hasNormal() const { return hasNormal_; }
 
    private:
        std::shared_ptr<SgNodePath> path_;
        int vertexIndex_;
        int triangleVertexIndex_;
        Vector3f position_;
        Vector3f normal_;
        bool hasNormal_;
 
        friend class ScenePointSelectionMode::Impl;
    };
    
    typedef ref_ptr<PointInfo> PointInfoPtr;
 
    PointInfo* highlightedPoint();
 
    const std::vector<PointInfoPtr>& selectedPoints() const;
    void clearSelection();
 
    SignalProxy<void(const std::vector<PointInfoPtr>& points)> sigPointSelectionAdded();
 
protected:
    virtual std::vector<SgNode*> getTargetSceneNodes(SceneWidgetEvent* event);
 
    //virtual void onSelectionModeActivated(SceneWidgetEvent* event);
    //virtual void onSelectionModeDeactivated(SceneWidgetEvent* event);
 
    // SceneWidgetEventHandler functions
    virtual void onSceneModeChanged(SceneWidgetEvent* event) override;
    virtual bool onButtonPressEvent(SceneWidgetEvent* event) override;
    virtual bool onButtonReleaseEvent(SceneWidgetEvent* event) override;
    virtual bool onDoubleClickEvent(SceneWidgetEvent* event) override;
    virtual bool onPointerMoveEvent(SceneWidgetEvent* event) override;
    virtual void onPointerLeaveEvent(SceneWidgetEvent* event) override;
    virtual bool onKeyPressEvent(SceneWidgetEvent* event) override;
    virtual bool onKeyReleaseEvent(SceneWidgetEvent* event) override;
    virtual bool onContextMenuRequest(SceneWidgetEvent* event, MenuManager* menu) override;
 
private:
    Impl* impl;
};
 
}
 
#endif