97 lines
3.1 KiB
C++
97 lines
3.1 KiB
C++
//---------------------------------------------------------------------------
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#ifndef SkinScrollBarUnitH
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#define SkinScrollBarUnitH
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#define TIME_DELAY 200
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#define TIME_NOTIFY 100
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#define THUMB_BORDER 7
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#define THUMB_MINSIZE (THUMB_BORDER * 2)
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#define STATE_NORMAL 0
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#define STATE_HIGHLIGHT 1
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#define STATE_PUSH 2
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class TSkinScrollBar : public TScrollBar
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{
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private:
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// int m_nTileHeight, //add by tj 2013/11/18
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int m_nThumbSize,
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m_nThumbPos,
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m_nPreThumbPos,
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m_nDragPos,
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m_nDragPoint,
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m_iClicked,
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m_iHitPrev,
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m_nMax,
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m_nMin,
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m_nPos,
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m_nPage,
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m_nTrackPos;
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bool m_bPause,
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m_bNotify,
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m_bDrag,
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m_bTrace,
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m_bAction;
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TTimer *m_pTimer;
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TControlCanvas *m_pCanvas;
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int HitTest( int X, int Y );
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void CalcThumbSize();
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void CalcThumbPos();
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void DrawArrow( int iDirection, int iState );
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void DrawThumb( int iState, bool bEraseBk, int iPageUD=-1 );
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void DrawBound();
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void __fastcall TimerProc(TObject* Sender);
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MESSAGE void __fastcall WMPaint(Winapi::Messages::TWMPaint &Message);
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MESSAGE void __fastcall WMLButtonDown(TWMMouse &Message);
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MESSAGE void __fastcall WMLButtonUp(TWMMouse &Message);
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MESSAGE void __fastcall WMLButtonDblClk(TWMMouse &Message);
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// MESSAGE void __fastcall WMRButtonDown(TWMMouse &Message){}; //add by tj 2013/11/18
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MESSAGE void __fastcall WMRButtonUp(TWMMouse &Message){}; //add by tj 2013/11/18
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MESSAGE void __fastcall WMMouseMove(TWMMouse &Message);
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// MESSAGE void __fastcall SBMSetScrollInfo(TMessage &Message);
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// MESSAGE void __fastcall SBMGetScrollInfo(TMessage &Message);
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BEGIN_MESSAGE_MAP
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MESSAGE_HANDLER(WM_PAINT, TWMPaint, WMPaint)
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MESSAGE_HANDLER(WM_LBUTTONDOWN, TWMLButtonDown, WMLButtonDown)
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MESSAGE_HANDLER(WM_LBUTTONUP, TWMLButtonUp, WMLButtonUp)
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MESSAGE_HANDLER(WM_LBUTTONDBLCLK, TWMLButtonDblClk, WMLButtonDblClk)
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// MESSAGE_HANDLER(WM_RBUTTONDOWN, TWMRButtonDown, WMRButtonDown)
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MESSAGE_HANDLER(WM_RBUTTONUP, TWMRButtonUp, WMRButtonUp) //add by tj 2013/11/18
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MESSAGE_HANDLER(WM_MOUSEMOVE, TWMMouseMove, WMMouseMove) //add by tj 2013/11/18
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// MESSAGE_HANDLER(CM_MOUSELEAVE, TMessage, CMMouseLeave) //add by tj 2013/11/25 12:35
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// MESSAGE_HANDLER(SBM_SETSCROLLINFO, TMessage, SBMSetScrollInfo)
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// MESSAGE_HANDLER(SBM_GETSCROLLINFO, TMessage, SBMGetScrollInfo)
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END_MESSAGE_MAP(TScrollBar)
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protected:
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virtual void __fastcall PaintWindow(HDC DC);
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public:
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TWinControl *m_pWndCtrl;
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__fastcall virtual TSkinScrollBar(System::Classes::TComponent* AOwner, bool bVertical=true);//ȱʡ´¹Ö±
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__fastcall ~TSkinScrollBar();
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void __fastcall CMMouseEnter(TObject *Sender);
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void __fastcall CMMouseLeave(TObject *Sender); //add by tj 2013/11/25 12:35
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bool IsDraging(){ return m_bDrag; };
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bool IsOperable(){ return m_nMax > m_nMin; };
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void __fastcall SetPosition(int Value, bool bRedraw=true);
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void __fastcall SetPageSize(int Value, bool bRedraw=true);
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void __fastcall SetRange(int AMin, int AMax, bool bRedraw=true);
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void __fastcall GetScrollRange(int* nMin, int* nMax);
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int __fastcall GetScrollPos();
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int __fastcall GetPageSize();
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};
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//---------------------------------------------------------------------------
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#endif
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