GridView.h

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#pragma once
#include "Cell.h"
 
#define MAX_GLYPHS 0xFFFF
 
struct CurrentFont
{
    CAtlStringW FontName;
    LOGFONTW Font;
    HFONT hFont;
    USHORT ValidGlyphs[MAX_GLYPHS];
    USHORT NumValidGlyphs;
};
 
 
class CGridView
{
private:
    CAtlStringW m_szMapWndClass;
 
    HWND m_hwnd;
    HWND m_hParent;
 
    int m_xNumCells;
    int m_yNumCells;
 
    RECT m_ClientCoordinates;
    SIZE m_CellSize;
    CCell*** m_Cells; // *m_Cells[][];
    CCell *m_ActiveCell;
 
    INT m_ScrollPosition;
    int m_NumRows;
 
    CurrentFont m_CurrentFont;
 
public:
    CGridView();
    ~CGridView();
 
    bool Create(
        _In_ HWND hParent
        );
 
    bool SetFont(
        _In_ CAtlString& FontName
        );
 
    HWND GetHwnd() { return m_hwnd; }
 
private:
    static LRESULT
        CALLBACK
        MapWndProc(HWND hwnd,
                   UINT uMsg,
                   WPARAM wParam,
                   LPARAM lParam);
 
    LRESULT OnCreate(
        _In_ HWND hwnd,
        _In_ HWND hParent
        );
 
 
    LRESULT OnSize(
        _In_ INT Width,
        _In_ INT Height
        );
 
    VOID OnVScroll(
        _In_ INT Value,
        _In_ INT Pos
        );
 
    LRESULT OnPaint(
        _In_opt_ HDC hdc
        );
 
    bool UpdateCellCoordinates(
        );
 
    void DrawGrid(
        _In_ LPPAINTSTRUCT PaintStruct
        );
 
    void DeleteCells();
 
    void SetCellFocus(
        _In_ CCell* NewActiveCell
        );
};