/*
 * Copyright 2010, Haiku, Inc.
 * Distributed under the terms of the MIT license.
 *
 * Authors:
 *              Clemens Zeidler <haiku@clemens-zeidler.de>
 */
#ifndef WINDOW_BEHAVIOUR_H
#define WINDOW_BEHAVIOUR_H


#include <Region.h>

#include "Decorator.h"


class BMessage;
class ClickTarget;
class Window;


class WindowBehaviour {
public:
                                                                WindowBehaviour();
        virtual                                         ~WindowBehaviour();

        virtual bool                            MouseDown(BMessage* message, BPoint where,
                                                                        int32 lastHitRegion, int32& clickCount,
                                                                        int32& _hitRegion) = 0;
        virtual void                            MouseUp(BMessage* message, BPoint where) = 0;
        virtual void                            MouseMoved(BMessage *message, BPoint where,
                                                                        bool isFake) = 0;

        virtual void                            ModifiersChanged(int32 modifiers);

                        bool                            IsDragging() const { return fIsDragging; }
                        bool                            IsResizing() const { return fIsResizing; }

protected:
        /*! The window is going to be moved by delta. This hook should be used to
        implement the magnetic screen border, i.e. alter the delta accordantly.
        \return true if delta has been modified. */
        virtual bool                            AlterDeltaForSnap(Window* window, BPoint& delta,
                                                                        bigtime_t now);

protected:
                        bool                            fIsResizing : 1;
                        bool                            fIsDragging : 1;
};


#endif