/*
 * Copyright 2006, 2023, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 *              Zardshard
 */
#ifndef PERSPECTIVE_BOX_STATES_H
#define PERSPECTIVE_BOX_STATES_H

#include <Point.h>


class BView;
class PerspectiveBox;


namespace PerspectiveBoxStates {

class DragState {
 public:
                                                                        DragState(PerspectiveBox* parent);
        virtual                                                 ~DragState() {}

        virtual void                                    SetOrigin(BPoint origin)
                                                                                { fOrigin = origin; }
        virtual void                                    DragTo(BPoint current, uint32 modifiers) = 0;
        virtual void                                    UpdateViewCursor(BView* view, BPoint current) const = 0;

 protected:
                        void                                    _SetViewCursor(BView* view,
                                                                                                   const uchar* cursorData) const;

                        BPoint                                  fOrigin;
                        PerspectiveBox* fParent;
};


class DragCornerState : public DragState {
 public:
                                                                DragCornerState(
                                                                        PerspectiveBox* parent, BPoint* point);
        virtual                                         ~DragCornerState() {}

        virtual void                            SetOrigin(BPoint origin);
        virtual void                            DragTo(BPoint current, uint32 modifiers);
        virtual void                            UpdateViewCursor(BView* view, BPoint current) const;

 private:
                        BPoint*                         fPoint;

                        BPoint                          fOldOffset;
};

} // PerspectiveBoxStates namespace

#endif // PERSPECTIVE_BOX_STATES_H