ipaddr.h

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#ifndef _IPADDR_H							// Only include this file once
#define	_IPADDR_H

#pragma title("IP Address Custom Control Definitions")

// Created by Joseph A. Dziedzic, September 1997
// Revised April 1998
// Thanks to Dan Anderson, Kenny Goers, Kevin Lussier, and Doug Miller for their suggestions
// and code enhancements.
// Mail comments to [e-mail]


// The structure we use to pass addresses around
typedef struct tagIPA_ADDR {
	unsigned char	nAddr1;	// The four bytes of the IP address
	unsigned char	nAddr2;
	unsigned char	nAddr3;
	unsigned char	nAddr4;
	UINT	nInError;		// Address byte with erroroneous/missing data (1..4)
} IPA_ADDR;

// IP Address control style bits

#define	IPAS_NOVALIDATE	0x0001	// Don't validate fields as they are input

// Messages to/from the IP Address control
enum IPAM {
	IPAM_GETADDRESS = WM_USER,
	IPAM_SETADDRESS,
	IPAM_SETREADONLY
};

// Resource IDs for our edit controls
enum RID {
	IDC_ADDR1 = 1,
	IDC_ADDR2,
	IDC_ADDR3,
	IDC_ADDR4
};

class CIPAddrCtl;

void DDX_IPAddr(CDataExchange* pDX, int nIDC, unsigned char* nAddr);
void DDX_IPAddr(CDataExchange* pDX, int nIDC, CString& szAddr);

/////////////////////////////////////////////////////////////////////////////
// CIPAddrEdit window

class CIPAddrEdit : public CEdit
{
// Construction
public:
	CIPAddrEdit();

// Attributes
public:
	friend class CIPAddrCtl;

	// Operations
public:

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CIPAddrEdit)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CIPAddrEdit();

	// Generated message map functions
protected:
	CIPAddrCtl* m_pParent;
	void SetParent(CIPAddrCtl* pParent);
	//{{AFX_MSG(CIPAddrEdit)
	afx_msg void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
	afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
};

/////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// CIPAddrCtl window

class CIPAddrCtl : public CWnd
{
    DECLARE_DYNCREATE(CIPAddrCtl)
// Construction
public:
	static BOOL Register();
	CIPAddrCtl();

// Attributes
public:
	friend class CIPAddrEdit;

// Operations
public:
	BOOL Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, DWORD dwExStyle=0);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CIPAddrCtl)
	//}}AFX_VIRTUAL

// Implementation
public:
	virtual ~CIPAddrCtl();
	BOOL GetAddress(BOOL bPrintErrors, IPA_ADDR* lpIPAddr)
		{ return (BOOL) ::SendMessage(m_hWnd, IPAM_GETADDRESS, (WPARAM) bPrintErrors, (LPARAM) lpIPAddr); };
	BOOL SetAddress(IPA_ADDR* lpIPAddr)
		{ return (BOOL) ::SendMessage(m_hWnd, IPAM_SETADDRESS, 0, (LPARAM) lpIPAddr); };
	BOOL SetReadOnly(BOOL bReadOnly = TRUE)
		{ return (BOOL) ::SendMessage(m_hWnd, IPAM_SETREADONLY, (WPARAM) bReadOnly, 0); };
	CIPAddrEdit* GetEditControl(int nIndex);

	// Generated message map functions
protected:
	void OnChildChar(UINT nChar, UINT nRepCnt, UINT nFlags, CIPAddrEdit& child);
	//{{AFX_MSG(CIPAddrCtl)
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnNcDestroy();
	afx_msg void OnSize(UINT nType, int cx, int cy);
	afx_msg void OnSetFocus(CWnd* pOldWnd);
	afx_msg void OnPaint();
	afx_msg void OnEnable(BOOL bEnable);
	afx_msg LONG OnSetFont(UINT wParam, LONG lParam);
	afx_msg BOOL OnEraseBkgnd(CDC* pDC);
	afx_msg LONG OnGetAddress(UINT wParam, LONG lParam);
	afx_msg LONG OnSetAddress(UINT wParam, LONG lParam);
	afx_msg LONG OnSetReadOnly(UINT wParam, LONG lParam);
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()
private:
	CIPAddrEdit m_Addr[4];
	CRect	m_rcAddr[4];
	CRect	m_rcDot[3];

	BOOL ParseAddressPart(CEdit& edit, int& n);

	BOOL m_bEnabled;
	BOOL m_bReadOnly;
	BOOL m_bNoValidate;

	static BOOL m_bRegistered;
};

// WNDPROC

#ifdef __cplusplus
extern "C" {
#endif
	LRESULT CALLBACK IPAddrWndProc(HWND hWnd, UINT uiMsg, WPARAM wParam, LPARAM lParam);
#ifdef __cplusplus
}
#endif

/////////////////////////////////////////////////////////////////////////////

#endif	// _IPADDR_H