D:/source/c++/Programme/sally/sally/sallyAPI/Scrollbar.h

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#pragma once
#include "Define.h"
#include "Control.h"

namespace SallyAPI
{
        namespace GUI
        {

                enum SCROLLBAR_ALIGNMENT {SCROLLBAR_ALIGNMENT_VERTICAL }; //, SCROLLBAR_ALIGNMENT_HORIZONTAL};


                class DLL_API_SALLY CScrollbar :
                        public SallyAPI::GUI::CControl
                {
                private:
                        int                                             m_iMouseDownKnobOffSet;

                        SCROLLBAR_ALIGNMENT             m_eScrollbarAlignment;
                        int                                             m_iPosition;
                        int                                             m_iPositionMax;
                        int                                             m_iKnobHeight;
                        int                                             m_iKnobPosition;
                        int                                             m_iBarHeight;
                        bool                                    m_bShowScrollbarIfNotScrollable;

                        void                    DrawHorizontal();
                        void                    DrawVertical();

                        virtual void    RenderControl();
                        virtual bool    ProcessMouseDown(int x, int y);
                        virtual bool    ProcessMouseUp(int x, int y);
                        virtual bool    ProcessMouseMove(int x, int y);
                public:
                        CScrollbar(SallyAPI::GUI::CGUIBaseObject* parent, int x, int y, int width, int height, SCROLLBAR_ALIGNMENT scrollbarAlignment, int controlId = 0);
                        virtual ~CScrollbar();

                        void            ShowScrollbarIfNotScrollable(bool value);
                        bool            IsScrollbarVisibleIfNotScrollbable();

                        void            SetMaxPosition(int position);
                        void            SetPosition(int position);
                        int                     GetMaxPosition();
                        int                     GetPosition();

                        virtual void SendMessageToParent(CGUIBaseObject* reporter, int reporterId, int messageId, SallyAPI::GUI::SendMessage::CParameterBase* messageParameter = NULL);
                        virtual void SendMessageToChilds(CGUIBaseObject* reporter, int reporterId, int messageId, SallyAPI::GUI::SendMessage::CParameterBase* messageParameter = NULL);
                        virtual bool CheckProcessMouseDown(int x, int y);
                };
        }
}