staticsplitterwnd.h

MFC类库祥解, MFC类库祥解

#ifndef __STATIC_SPLITTER_WND_H__
#define __STATIC_SPLITTER_WND_H__

//静态切分窗口，这个类是从WTL的SplitterWnd里面扒出来的，因为MFC的SplitterWnd实在是
//太太太难用了，而且很难看，看到WTL里面的这个不错，想拿来用，不过如果是MFC程序的话再
//加上WTL的风格有些不协调，就干脆把它的形式改成MFC的风格了，函数看着挺多，不过常用并
//不多，至于注释嘛，我只是在经常用的函数声明上大概写了几句，相知道具体实现，那就去看
//代码吧：）


#define SPLIT_PANE_LEFT			 0
#define SPLIT_PANE_RIGHT		 1
#define SPLIT_PANE_TOP			 SPLIT_PANE_LEFT
#define SPLIT_PANE_BOTTOM		 SPLIT_PANE_RIGHT
#define SPLIT_PANE_NONE			-1

/////////////////////////////////////////////////////////////////////////////
// Splitter extended styles
#define SPLIT_PROPORTIONAL		0x00000001
#define SPLIT_NONINTERACTIVE		0x00000002
#define SPLIT_RIGHTALIGNED		0x00000004
#define SPLIT_BOTTOMALIGNED		SPLIT_RIGHTALIGNED

/////////////////////////////////////////////////////////////////////////////
// CStaticSplitterWnd window
class CStaticSplitterWnd: public CWnd
{

	enum { m_nPanesCount = 2, m_nPropMax = 10000 };
	
	HWND	m_hWndPane[m_nPanesCount];

	HCURSOR m_hCursor;
	CRect	m_rcSplitter;
	int	m_xySplitterPos;
	int	m_nDefActivePane;
	int	m_cxySplitBar;		// splitter bar width/height
	int	m_cxyMin;			// minimum pane size
	int	m_cxyBarEdge;		// splitter bar edge
	BOOL	m_bFullDrag;
	int	m_cxyDragOffset;
	int	m_nProportionalPos;
	BOOL	m_bUpdateProportionalPos;
	DWORD	m_dwExtendedStyle;	// splitter specific extended styles
	int	m_nSinglePane;		// single pane mode
	BOOL	m_bVertical;

protected:
	BOOL	OnCmdMsg(UINT nID, int nCode, void* pExtra, AFX_CMDHANDLERINFO* pHandlerInfo );
	BOOL	PreCreateWindow( CREATESTRUCT& cs );
	
	// Generated message map functions
protected:
	//{{AFX_MSG(CStaticSplitterWnd)
		afx_msg int		OnCreate(LPCREATESTRUCT lpCreateStruct);
		afx_msg void	OnPaint();
		afx_msg BOOL	OnSetCursor( CWnd* pWnd, UINT nHitTest, UINT message );
		afx_msg void	OnMouseMove( UINT nFlags, CPoint point );
		afx_msg void	OnLButtonDown( UINT nFlags, CPoint point );
		afx_msg void	OnLButtonUp( UINT nFlags, CPoint point );
		afx_msg void	OnLButtonDblClk( UINT nFlags, CPoint point );
		afx_msg void	OnSetFocus( CWnd* pOldWnd );
		afx_msg int		OnMouseActivate( CWnd* pDesktopWnd, UINT nHitTest, UINT message );
		afx_msg LRESULT	OnDisplayChange(WPARAM, LPARAM);
		afx_msg void	OnSize(UINT nType, int cx, int cy );
		
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()

protected:
	//Overridables
	virtual void DrawSplitter(CDC* pDC);
	virtual void DrawSplitterBar(CDC* pDC);
	virtual void DrawSplitterPane(CDC* pDC, int nPane);
	virtual BOOL Create(CWnd* pParent, BOOL bVertical = TRUE, DWORD dwStyle = WS_CHILD | WS_VISIBLE, UINT nID = AFX_IDW_PANE_FIRST);

//常用的几个成员函数
public:
	CStaticSplitterWnd();
	virtual ~CStaticSplitterWnd();

	BOOL	CreateVertical(CWnd *pParent, DWORD dwStyle = WS_CHILD | WS_VISIBLE, UINT nID = AFX_IDW_PANE_FIRST);
	BOOL	CreateHorizonal(CWnd *pParent, DWORD dwStyle = WS_CHILD | WS_VISIBLE, UINT nID = AFX_IDW_PANE_FIRST);

	BOOL	SetSplitterPos(int xyPos = -1, BOOL bUpdate = TRUE);
	int	GetSplitterPos() const;
	
	//可以设置成只有一个窗口的模式，也就是隐藏分裂窗口的另外一部分
	BOOL	SetSinglePaneMode(int nPane = SPLIT_PANE_NONE);
	int	GetSinglePaneMode() const;
	
	DWORD	GetSplitterExtendedStyle() const;
	DWORD	SetSplitterExtendedStyle(DWORD dwExtendedStyle, DWORD dwMask = 0);
	
	void	SetSplitterPanes(CWnd* pWndLeftTop, CWnd* pWndRightBottom, BOOL bUpdate = TRUE);
	BOOL	SetSplitterPane(int nPane, CWnd* pWnd, BOOL bUpdate = TRUE);
	
	HWND	GetSplitterPane(int nPane) const;
	
	BOOL	SetActivePane(int nPane);
	int	GetActivePane() const;
	
	BOOL	ActivateNextPane(BOOL bNext = TRUE);
	BOOL	SetDefaultActivePane(int nPane);
	BOOL	SetDefaultActivePane(CWnd* pWnd);
	int	GetDefaultActivePane() const;
	void	UpdateSplitterLayout();

//下面是一些不常用的函数，大家有兴趣可以看看
public:	
	void	SetSplitterRect(LPRECT lpRect = NULL, BOOL bUpdate = TRUE);;
	void	GetSplitterRect(LPRECT lpRect) const;
	BOOL	GetSplitterBarRect(LPRECT lpRect) const;
	BOOL	GetSplitterPaneRect(int nPane, LPRECT lpRect) const;
	void	DrawGhostBar();

	void	GetSystemSettings(BOOL bUpdate);
	void	StoreProportionalPos();
	void	UpdateProportionalPos();
	void	StoreRightAlignPos();
	void	UpdateRightAlignPos();

	BOOL	IsOverSplitterRect(int x, int y) const;
	BOOL	IsOverSplitterBar(int x, int y) const;
	BOOL	IsProportional() const;
	BOOL	IsInteractive() const;
	BOOL	IsRightAligned() const;
	
};

#endif