www.pudn.com > Calculator12.rar > MFECToolTip.h

 
#ifndef _MFECTOOLTIP_H_ 
#define _MFECTOOLTIP_H_ 
 
 
// default tooltip colors 
#define IVORY       RGB(255, 255, 220) 
#define BLACK		RGB(0, 0, 0) 
 
// this structure holds all the tooltip information 
struct ToolTipInfo : public CObject 
{ 
	UINT			nControlID;		// ID of the control 
	UINT			nInfoSize;		// number of lines in the info 
	CStringArray	nControlInfo;	// container of the information 
	COLORREF		nTextColor;		// text color 
	COLORREF		nBackColor;		// background color 
}; 
 
class CMFECToolTip : public CWnd 
{ 
// Construction 
public: 
	CMFECToolTip();   // standard constructor 
	virtual ~CMFECToolTip();	// destructor 
 
	void		Create(CWnd* pWnd); 
	void		ErasePreviousToolTipDisplay( UINT ); 
	void		ShowToolTip( UINT );		// explicitly shown the tooltip given the control ID 
 
	// NOTE: the user must override the PreTranslateMessage in the calling window in order 
	// to handle mousemovent.  
	void		ShowToolTip( CPoint& );		// called only during Mousemovement 
 
	// tooltip functions 
	BOOL		AddControlInfo( UINT, CStringArray&, COLORREF back=IVORY, COLORREF text=BLACK ); 
	BOOL		RemoveControlInfo( UINT ); 
 
	// inline functions 
	void		SetFontSize( int size ) { m_nFontSize = size; } 
 
// Implementation 
protected: 
	CWnd*			m_pParentWnd; 
	int				m_nHeight; 
	int				m_nWidth; 
	int				m_nFontSize; 
 
	int				m_nTotalLine; 
	int				m_maxCharInLine;    
 
	virtual void	CalculateInfoBoxRect(UINT nControlID, CRect* pInfoRect); 
	virtual void	CalculateHeightAndWidth(CStringArray& straInfos); 
 
private: 
	ToolTipInfo*	IsControlIDExisting( UINT ); 
	void			DisplayInfo( ToolTipInfo* ); 
 
private: 
	CObArray		m_aControlInfo; 
	UINT			m_currentControlID; 
}; 
 
 
#endif