HexEditCtl.h

/*
 * Softerra Hex Editor (c) Softerra, LLC 2005
 *
 * FILENAME:    HexEditCtl.h
 * SUBSYSTEM:   Core
 * DESCRIPTION: Declaration of the CHexEditCtrl ActiveX Control class.
 *              See HexEditCtl.cpp for implementation.
 */

#if !defined(SOFTERRA_HEXEDITOR_HEXEDITCTL_H_INCLUDED_)
#define SOFTERRA_HEXEDITOR_HEXEDITCTL_H_INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

class CHexEditCtrl : public COleControl
{
      DECLARE_DYNCREATE(CHexEditCtrl)

public:
        CHexEditCtrl();

// Overrides
        // ClassWizard generated virtual function overrides
        //{{AFX_VIRTUAL(CHexEditCtrl)
        public:
        virtual void OnDraw(CDC* pdc, const CRect& rcBounds, const CRect& rcInvalid);
        virtual void DoPropExchange(CPropExchange* pPX);
        virtual void OnResetState();
        protected:
        virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
        //}}AFX_VIRTUAL

// Implementation
protected:
// Properties

        COleSafeArray m_data;

        short m_digitsInAddress;

        short m_digitsInData;

        short m_columns;

        short m_fontHeight;

        DWORD m_dwStartAddr;

        bool m_bDataModified;

// Other data

        bool m_bRealShowAscii;

        int m_nHorzScroll;

        bool m_bMouseDown;

        bool m_bMouseMove;

        int m_posMouseDown;

        CSize m_charCountWindow;

        CSize m_charCountView;

        CSize m_cellSize;

        /* !!! IMPORTANT
                m_selStart, m_selEnd and other number addresses are counts of numbers (NOT NESESSARY BYTES!),
                depending on m_digitsInData.*/

        long m_selStart;

        long m_selEnd;

        long m_editPos;

        long m_viewPos;

        int m_nEditDigit;

        int m_addrMargin;

        int m_asciiMargin;

        int m_editMode;

        CRect m_rcClient;

        bool m_bTimer;

        CPoint m_prevMousePoint;

        static CString m_strWindowClass;

        static CCriticalSection _critSect;

        void TextOutWithCheck(CDC* pdc, const CRect& rcInvalid, int x, int y, CString& strText );

        bool EnterNumber();

        void ClearSelection();

        void DeleteSelection();

        void RecalcSelection(CPoint point);

        bool IsSelectionEmpty();

        bool UpdateScrollBars();

        void InvalidateEditRect(long nEditPos);

        void DeleteData ( DWORD dwPos, DWORD dwCount = 1 );

        void InsertData ( DWORD dwPos, DWORD dwCount = 1 );

        bool NormalizeEditPos();

        void ChangeEditPos ( CPoint pt );

        void ChangeEditPos ( long dx, long dy, bool bRepaint = false);

        void PlaceCaret();

        void RecalcLayout();

        ~CHexEditCtrl();

        DECLARE_OLECREATE_EX(CHexEditCtrl)      // Class factory and guid
        DECLARE_OLETYPELIB(CHexEditCtrl)                // GetTypeInfo
        DECLARE_PROPPAGEIDS(CHexEditCtrl)               // Property page IDs
        DECLARE_OLECTLTYPE(CHexEditCtrl)                // Type name and misc status

// Message maps
        //{{AFX_MSG(CHexEditCtrl)
        afx_msg void OnKillFocus(CWnd* pNewWnd);
        afx_msg void OnSetFocus(CWnd* pOldWnd);
        afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags);
        afx_msg void OnChar(UINT nChar, UINT nRepCnt, UINT nFlags);
        afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
        afx_msg void OnLButtonDblClk(UINT nFlags, CPoint point);
        afx_msg UINT OnGetDlgCode();
        afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
        afx_msg void OnMouseMove(UINT nFlags, CPoint point);
        afx_msg void OnVScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
        afx_msg void OnEditCopy();
        afx_msg void OnEditCut();
        afx_msg void OnEditPaste();
        afx_msg void OnUpdateEditCopy(CCmdUI* pCmdUI);
        afx_msg void OnUpdateEditCut(CCmdUI* pCmdUI);
        afx_msg void OnUpdateEditPaste(CCmdUI* pCmdUI);
        afx_msg void OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar);
        afx_msg void OnTimer(UINT nIDEvent);
        afx_msg void OnSize(UINT nType, int cx, int cy);
        //}}AFX_MSG
        afx_msg void OnEditSelectAll();
        afx_msg void OnUpdateEditSelectAll(CCmdUI* pCmdUI);
        DECLARE_MESSAGE_MAP()
        afx_msg void OnContextMenu(CWnd*, CPoint point);        // right click handler

// Dispatch maps
        //{{AFX_DISPATCH(CHexEditCtrl)
        BOOL m_showAddress;
        afx_msg void OnShowAddressChanged();
        BOOL m_showAscii;
        afx_msg void OnShowAsciiChanged();
        BOOL m_allowChangeSize;
        afx_msg void OnAllowChangeSizeChanged();
        BOOL m_dataModified;
        afx_msg void OnDataModifiedChanged();
        afx_msg short GetDigitsInAddress();
        afx_msg void SetDigitsInAddress(short nNewValue);
        afx_msg short GetDigitsInData();
        afx_msg void SetDigitsInData(short nNewValue);
        afx_msg short GetColumns();
        afx_msg void SetColumns(short nNewValue);
        afx_msg short GetFontHeight();
        afx_msg void SetFontHeight(short nNewValue);
        afx_msg SCODE SetData(VARIANT FAR* pData, long dwStartAddr);
        //}}AFX_DISPATCH
        DECLARE_DISPATCH_MAP()

        afx_msg void AboutBox();

// Event maps
        //{{AFX_EVENT(CHexEditCtrl)
        //}}AFX_EVENT
        DECLARE_EVENT_MAP()

// Dispatch and event IDs
public:
        enum {
        //{{AFX_DISP_ID(CHexEditCtrl)
        dispidShowAddress = 1L,
        dispidShowAscii = 2L,
        dispidDigitsInAddress = 5L,
        dispidDigitsInData = 6L,
        dispidColumns = 7L,
        dispidFontHeight = 8L,
        dispidAllowChangeSize = 3L,
        dispidDataModified = 4L,
        dispidSetData = 9L,
        //}}AFX_DISP_ID
        };
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(SOFTERRA_HEXEDITOR_HEXEDITCTL_H_INCLUDED_)