GUIMouseVirtual.h

#pragma once


#define L_PRESSED(x) (((x)->m_dims2.rgbButtons[0]&0x80)!=0)
#define R_PRESSED(x) (((x)->m_dims2.rgbButtons[1]&0x80)!=0)
#define M_PRESSED(x) (((x)->m_dims2.rgbButtons[2]&0x80)!=0)

#define SAMPLE_BUFFER_SIZE 1024

namespace ParaEngine
{
    class CGUIMouseVirtual
    {
    public:
        CGUIMouseVirtual();
        virtual ~CGUIMouseVirtual();
    public:
        enum MOUSE_KEY_STD{
            LEFT_BUTTON = 0,
            RIGHT_BUTTON = 1,
            MIDDLE_BUTTON = 2
        };
        virtual HRESULT ReadBufferedData();
        virtual HRESULT ReadImmediateData();
        virtual void Update();
        virtual void ResetLastMouseState();

        virtual void Reset();
        virtual bool IsButtonDown(MOUSE_KEY_STD nMouseButton);
        virtual int  GetMouseWheelDeltaSteps();
        virtual int  GetMouseXDeltaSteps();
        virtual int  GetMouseYDeltaSteps();

        virtual bool IsLocked();
        virtual void SetLock(bool bLock);;

        virtual void UpdateX(int delta);
        virtual void UpdateY(int delta);


        virtual void PushMouseEvent(UINT uMsg, WPARAM wParam, LPARAM lParam);
        virtual void PushMouseEvent(const MSG &msg);

        virtual void SetCapture(CGUIBase* obj);
        virtual void ReleaseCapture(CGUIBase* obj);
        virtual CGUIBase* GetCapture();
        virtual void ReleaseCapture();

        virtual bool IsUseWindowsMessage();
        virtual void SetUseWindowsMessage(bool bUseWinMsg);

        virtual void ShowCursor(bool bShowCursor){};

        virtual void ForceShowCursor(bool bShow){};

        virtual int GetCursorSize(){ return 32; };

        virtual bool IsMouseButtonSwapped();
        virtual void SetMouseButtonSwapped(bool bSwapped);

        virtual void GetDeviceCursorPos(int& x, int&y);
        virtual void SetDeviceCursorPos(int x, int y);
        virtual void SetMousePosition(int x, int y);

        virtual int GetBufferedMessageCount();;
    protected:

        bool    m_bLock;
        bool    m_bUseWindowMessage;
        bool    m_bSwapMouseButton;
        bool m_bLastMouseReset;
    public:
        DIDEVICEOBJECTDATA  m_didod[SAMPLE_BUFFER_SIZE];  // Receives buffered data 
        DWORD               m_dwElements;
        DIMOUSESTATE2       m_dims2;   // DirectInput Mouse state buffer 
        DIMOUSESTATE2       m_lastMouseState; 
        DIMOUSESTATE2       m_curMouseState;
        int                 m_x, m_y;   //coordinate of the current mouse position

        MSG                 m_buffered_mouse_msgs[SAMPLE_BUFFER_SIZE / 2];
        int                 m_buffered_mouse_msgs_count;
        
        bool  m_isTouchInputting;
        
        CGUIBase *      m_objCaptured;
    };
}