ipaddr.h

#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 dziedzic@ma.ultranet.com


// 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

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