/* 
 * Copyright 2001 Werner Freytag - please read to the LICENSE file
 *
 * Copyright 2002-2006, Stephan Aßmus <superstippi@gmx.de>
 * All rights reserved.
 *              
 */

#ifndef _COLOR_PREVIEW_H
#define _COLOR_PREVIEW_H

#include <Control.h>

#define MSG_COLOR_PREVIEW       'ColP'
#define MSG_MESSAGERUNNER       'MsgR'

class BMessageRunner;

class ColorPreview : public BControl {
public:

                                                                ColorPreview(BRect frame, rgb_color color);
                                                                ColorPreview(rgb_color color);

        // BControl interface
        virtual BSize                           MinSize();
        virtual BSize                           PreferredSize();
        virtual BSize                           MaxSize();

        virtual void                            AttachedToWindow();
        virtual void                            Draw(BRect updateRect);

        virtual void                            MessageReceived(BMessage* message);

        virtual void                            MouseDown(BPoint where);
        virtual void                            MouseUp(BPoint where);
        virtual void                            MouseMoved(BPoint where, uint32 transit,
                                                                                   const BMessage* message);

        virtual status_t                        Invoke(BMessage* message = NULL);

        // ColorPreview
                        void                            SetColor(rgb_color color);
                                                                        // changes the displayed color
                        void                            SetNewColor(rgb_color color);
                                                                        // changes also the old color

private:
                        void                            _DragColor(BPoint where);

private:
                        rgb_color                       fColor;
                        rgb_color                       fOldColor;
                        bool                            fMouseDown;

                        BMessageRunner*         fMessageRunner;

                        border_style            fBorderStyle;
};

#endif // _COLOR_PREVIEW_H