MRPlaneWidget.h

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#pragma once
 
#include "MRViewerEventsListener.h"
#include "MRImGuiMenuListeners.h"
#include "MRMesh/MRBox.h"
#include "MRMesh/MRPlane3.h"
#include "MRMesh/MRVector2.h"
 
namespace MR
{

class MRVIEWER_CLASS PlaneWidget : public MultiListener<DragStartListener, DragListener, DragEndListener, NameTagClickListener>
{
    std::shared_ptr<ObjectMesh> planeObj_;
    Plane3f plane_;
    Box3f box_;
    Vector3f cameraUp3Old_;
    
    bool localMode_{ false };
    float localShift_{ 0.0f };
 
    using OnPlaneUpdateCallback = std::function<void()>;
    OnPlaneUpdateCallback onPlaneUpdate_;
 
    bool pressed_ = false;
    bool showPlaneByDefault_ = true;
    Vector2f startMousePos_;
    Vector2f endMousePos_;
 
    std::shared_ptr<ObjectLines> line_;
 
    bool importPlaneMode_ = false;
public:
    
    MRVIEWER_API void updatePlane( const Plane3f& plane, bool updateCameraRotation = true );
    MRVIEWER_API void updateBox( const Box3f& box, bool updateCameraRotation = true );
    MRVIEWER_API void definePlane();
    MRVIEWER_API void undefinePlane();

    MRVIEWER_API void setLocalMode( bool on );
    bool isInLocalMode() const { return localMode_; }
    void setLocalShift( float shift ) { localShift_ = shift; }
    float getLocalShift() const { return localShift_; }

    MRVIEWER_API const Plane3f& getPlane() const;
    MRVIEWER_API const std::shared_ptr<ObjectMesh>& getPlaneObject() const;
    MRVIEWER_API void setOnPlaneUpdateCallback( OnPlaneUpdateCallback  callback );

    MRVIEWER_API const Box3f& box() const;
    MRVIEWER_API bool importPlaneMode() const;
    MRVIEWER_API void setImportPlaneMode( bool val );

    bool getShowPlaneByDefault() const { return showPlaneByDefault_; }
    void setShowPlaneByDefault( bool val ) { showPlaneByDefault_ = val; }
 
private:
    MRVIEWER_API void updateWidget_( bool updateCameraRotation = true );
 
    MRVIEWER_API virtual bool onDragStart_( MouseButton button, int modifier ) override;
    MRVIEWER_API virtual bool onDragEnd_( MouseButton button, int modifier ) override;
    MRVIEWER_API virtual bool onDrag_( int mouse_x, int mouse_y ) override;
    MRVIEWER_API virtual bool onNameTagClicked_( Object& object, ImGuiMenu::NameTagSelectionMode ) override;
 
    bool importPlaneObj_( Object& obj );
};
}