www.pudn.com > snatl.rar > ChkListBox.h

///////////////////////////////////////////////////////////////////////////// 
// Check List Box for 32 and 16 bit 
///////////////////////////////////////////////////////////////////////////// 
 
#ifndef __CHKLSTBX_H 
#define __CHKLSTBX_H 
 
// Include for resources 
#include "resource.h" 
 
#define PADDING			5 
 
#define HSCROLLAMOUNT	10 
 
#define UNCHECKED		0 
#define CHECKED			1 
#define INDETERMINATE	2 
 
// Structure to hold each item 
struct LISTITEM 
{ 
	LISTITEM*	pParentItem; 
 
	int			nCheckedState; 
	int			nTotalWidth; 
	int			nTextLength; 
	int			nLevel; 
	bool		bSelected; 
	DWORD		dwID; 
	CString		csText; 
 
	// Appearence 
	COLORREF	crTextColor; 
	COLORREF	crTextHighColor; 
	COLORREF	crBgHighlightColor; 
	 
	// List to other child list items 
	CPtrList	m_ItemList; 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
// CCheckControl window 
class CCheckList; 
class CCheckControl : public CWnd 
{ 
	int			m_nCurrentRow, 
				m_nScreenRow, 
				m_nPrevSelRow, 
				m_nViewableRows, 
				m_nTop, 
				m_nLeft; 
	CRect		m_WindowRect; 
	LISTITEM*	m_pPrevSelItem; 
 
	// Parents! 
	CPtrList*		m_pRootPtrList; 
	CCheckList*		m_pParent; 
	CWnd*			m_pSuperParent; 
 
	bool		DrawItems(CDC* pDC, CPtrList* pItemList, bool bChangeCheckedState = false, int nCheckedState = CHECKED); 
	void		DrawItem(CDC* pDC, LISTITEM* pListItem); 
	void		DrawBitmap( CDC* pdc, CSize ImagePos, int nCheckedState ); 
	LISTITEM*	GetItemClickedOn( CPtrList* pItemList, int nItem ); 
	void		ChangeParentItems(CDC* pDC, LISTITEM* pItem); 
 
// Construction 
public: 
	CCheckControl(); 
	BOOL Create( CRect Rect, CCheckList* pParent, UINT nID, CWnd* pSuperParent, CPtrList* pRootPtrList, COLORREF crBkColor ); 
	void		UpdateScrollBar(); 
	void		SetTopIndex(int nTop); 
	inline int	GetTopIndex()	{ return m_nTop; }; 
	int			SetCurSel(int nSelection); 
	inline int  GetCurSel()		{ return m_nPrevSelRow; }; 
	int			SetCheck(int nItem, int nCheckState); 
	inline int  GetViewableRows()	{ return m_nViewableRows; }; 
 
// Operations 
public: 
	 
// Attributes 
public: 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CCheckControl) 
	//}}AFX_VIRTUAL 
 
// Implementation 
public: 
	virtual ~CCheckControl(); 
 
	// Generated message map functions 
protected: 
	//{{AFX_MSG(CCheckControl) 
	afx_msg void OnPaint(); 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
	afx_msg void OnSize(UINT nType, int cx, int cy); 
	afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar); 
	afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
// CCheckList window 
class CCheckList : public CWnd 
{ 
	int			m_nLineHeight, 
				m_nWidestItem, 
				m_nTotalRowCount, 
				m_nCurrentRow; 
 
	bool		m_bDeleteFont; 
	CRect		m_WindowRect; 
	CBitmap*	m_pCheck; 
	CBitmap*	m_pUnCheck; 
	CBitmap*	m_pMiddleCheck; 
	CSize		m_cBitmapDimen; 
	 
	// Check control  
	CCheckControl*	m_pCheckControl; 
 
	// GDI Items 
	CFont*		m_pTextFont; 
	CPen*		m_pBkPen; 
	CBrush*		m_pBkBrush; 
	COLORREF	m_crTextColor; 
	COLORREF	m_crTextHighColor; 
 
	// Main Item list 
	CPtrList		m_RootItemList; 
 
	void		DeleteItems(CPtrList* pItemList); 
	bool		LoadBitmaps(UINT nCheckBitmap, UINT nUnCheckBitmap, UINT nMiddleCheckBitmap); 
	LISTITEM*	GetItem( CPtrList* pItemList, int nItem ); 
	LISTITEM*	GetItem( CPtrList* pItemList, DWORD dwID ); 
	void		GetWidestItem(CPtrList* pItemList); 
 
 
// INTERNAL Functions 
public: 
	inline int			GetWidestItem()		{ return m_nWidestItem; }; 
	inline int			GetLineHeight()		{ return m_nLineHeight; }; 
	inline CPen*		GetBkPen()			{ return m_pBkPen; }; 
	inline CBrush*		GetBkBrush()		{ return m_pBkBrush; }; 
	inline CFont*		GetTextFont()		{ return m_pTextFont; }; 
	inline int			GetImageWidth()		{ return m_cBitmapDimen.cx; }; 
	inline int			GetImageHeight()	{ return m_cBitmapDimen.cy; }; 
	inline CBitmap*		GetCheckImage()		{ return m_pCheck; }; 
	inline CBitmap*		GetUnCheckImage()	{ return m_pUnCheck; }; 
	inline CBitmap*		GetMiddleImage()	{ return m_pMiddleCheck; }; 
 
// USER Functions 
public: 
	CCheckList(); 
	BOOL Create( CRect Rect, CWnd* pParent, UINT uID, UINT nCheckBitmap, UINT nUnCheckBitmap, UINT nMiddleCheckBitmap, 
							COLORREF crBkColor   			= GetSysColor(COLOR_WINDOW), 
							CFont* pCustomFont				= NULL); 
 
	LISTITEM*	AddString(	CString		csText, 
							LISTITEM*	pParentItem			= NULL, 
							int			nCheckState			= UNCHECKED, 
							DWORD		dwID				= -1,		 
							COLORREF	crTextColor			= GetSysColor(COLOR_INFOTEXT), 
							COLORREF	crTextHighColor	 	= GetSysColor(COLOR_HIGHLIGHTTEXT), 
							COLORREF	crBgHighlightColor 	= GetSysColor(COLOR_HIGHLIGHT)); 
	 
	int			DeleteString(int nItem); 
	int			GetCount(LISTITEM*	pParentItem	= NULL); 
	int			GetTopIndex(); 
	int			SetTopIndex(int nTop); 
	DWORD		GetItemData(int nItem); 
	int			SetItemData(int nItem, DWORD dwID); 
	LISTITEM*	GetItem(int nItem); 
	LISTITEM*	GetItem(DWORD dwID); 
	int			GetText(int nItem, CString* pString );		 
	int			GetTextLen(int nItem );		 
	int			GetCurSel(); 
	int			SetCurSel(int nItem); 
	int			SetCheck(int nItem, int nCheckState ); 
	int			GetCheck(int nItem); 
	void		ResetContent(); 
	 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CCheckList) 
	//}}AFX_VIRTUAL 
 
// Implementation 
public: 
	virtual ~CCheckList(); 
 
	// Generated message map functions 
protected: 
	//{{AFX_MSG(CCheckList) 
	afx_msg void OnPaint(); 
	afx_msg void OnSize(UINT nType, int cx, int cy); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
#endif