www.pudn.com > RMS2000_C.rar > Ftab.h

//////////////////////////////////////////////////////////////// 
// 1999 Paul DiLascia 
// If this program works, it was written by Paul DiLascia. 
// If not, I don't know who wrote it. 
//  
#ifndef FTAB_H 
#define FTAB_H 
 
// style flags 
#define FTS_FULLBORDER	0x1				 // draw full border 
 
class CFolderTab { 
private: 
	CString	m_sText; // tab text 
	CRect		m_rect;			// bounding rect 
	CRgn		m_rgn;			// polygon region to fill (trapezoid) 
 
	int		ComputeRgn(CDC& dc, int x); 
	int		Draw(CDC& dc, CFont& font, BOOL bSelected); 
	BOOL		HitTest(CPoint pt)			{ return m_rgn.PtInRegion(pt); } 
	CRect		GetRect() const				{ return m_rect; } 
	void		GetTrapezoid(const CRect& rc, CPoint* pts) const; 
 
	friend class CFolderTabCtrl; 
 
public: 
	CFolderTab(LPCTSTR lpszText) : m_sText(lpszText) { } 
	LPCTSTR	GetText() const				{ return m_sText; } 
	void  	SetText(LPCTSTR lpszText)	{ m_sText = lpszText; } 
}; 
 
enum { FTN_TABCHANGED = 1 };				 // notification: tab changed 
 
struct NMFOLDERTAB : public NMHDR {		 // notification struct 
	int iItem;										 // item index 
	const CFolderTab* pItem;					 // ptr to data, if any 
}; 
 
////////////////// 
// Folder tab control, similar to tab control 
// 
class CFolderTabCtrl : public CWnd { 
protected: 
	CPtrList		m_lsTabs;					 // array of CFolderTabs 
	DWORD			m_dwFtabStyle;				 // folder tab style flags 
	int			m_iCurItem;					 // current selected tab 
	CFont			m_fontNormal;				 // current font, normal ntab 
	CFont			m_fontSelected;			 // current font, selected tab 
	int			m_nDesiredWidth;			 // exact fit width 
 
	// helpers 
	void InvalidateTab(int iTab, BOOL bErase=TRUE); 
	void DrawTabs(CDC& dc, const CRect& rc); 
	CFolderTab* GetTab(int iPos); 
 
public: 
	CFolderTabCtrl(); 
	virtual ~CFolderTabCtrl(); 
 
	BOOL CreateFromStatic(UINT nID, CWnd* pParent); 
 
	virtual BOOL Create(DWORD dwWndStyle, const RECT& rc, 
		CWnd* pParent, UINT nID, DWORD dwFtabStyle=0); 
	virtual BOOL Load(UINT nIDRes); 
 
	CFolderTab* GetItem(int iPos)		{ return (CFolderTab*)GetTab(iPos); } 
	int	GetSelectedItem()				{ return m_iCurItem; } 
	int	GetItemCount()					{ return m_lsTabs.GetCount(); } 
	int	GetDesiredWidth()				{ return m_nDesiredWidth; } 
	int	GetDesiredHeight()			{ return GetSystemMetrics(SM_CYHSCROLL); } 
	BOOL  AddItem(LPCTSTR lpszText); 
	BOOL  RemoveItem(int iPos); 
	void	RecomputeLayout(); 
	int	HitTest(CPoint pt); 
	int	SelectItem(int iTab); 
	void	SetFonts(CFont& fontNormal, CFont& fontSelected); 
 
protected: 
	afx_msg void OnPaint(); 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
	DECLARE_DYNAMIC(CFolderTabCtrl); 
	DECLARE_MESSAGE_MAP() 
}; 
 
#endif // FTAB_H