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Full Arabic User Interface GridCtrl

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1 Feb 2003 1  
GridCtrl which works from right to left to serve Arabic language.

Introduction

I tried to use many grids of different types in Arabic mode but I failed, until I found GridCtrl with source. And then I worked to adapt it to work with Arabic mode in different types of Views or Dialogs.

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

// Tarek Ahmed


// Disable inheritence of mirroring by children

#define WS_EX_NOINHERITLAYOUT   0x00100000L 
#define WS_EX_LAYOUT_RTL        0x00400000L
// Right to left mirroring

#define WS_EX_LAYOUTRTL         0x00400000L 
// Disable inheritence of mirroring by children 

#define WS_EX_NOINHERITLAYOUT   0x00100000L 
// Disable inheritence of mirroring by children

#define WS_EX_NOINHERIT_LAYOUT  0x00100000L 


BOOL CGridCtrl::Initialise()
{
..............
..............
..............

    if (::IsWindow(m_hWnd))
    {
        // Tarek Ahmed

        ModifyStyleEx(0, 0x00400000L, 0);
        ModifyStyleEx(0, WS_EX_RTLREADING, 0);
        ModifyStyleEx(0, WS_EX_RIGHT, 0);
        ModifyStyleEx(0, WS_EX_CLIENTEDGE, 0);
    }
..............
..............
..............
..............
    return TRUE;
}


// creates the control - use like any other window create control

BOOL CGridCtrl::Create(const RECT& rect, CWnd* pParentWnd, 
                       UINT nID, DWORD dwStyle)
{
..............
..............
..............

    DWORD dwExStyle;

    if ( bCreateOnView )
    {
        if (!CWnd::Create(GRIDCTRL_CLASSNAME, NULL, dwStyle, 
                                rect, pParentWnd, nID))
            return FALSE;

        Initialise();
    }
    else
    {
        // Tarek Ahmed

        dwExStyle ^= 0x00400000L;    
        dwExStyle ^= WS_EX_RTLREADING;
        dwExStyle ^= WS_EX_RIGHT;
        if (!CWnd::CreateEx(dwExStyle, GRIDCTRL_CLASSNAME, GRIDCTRL_CLASSNAME, 
                                 dwStyle, rect, pParentWnd, nID, NULL))
            return FALSE;
    }

..............
..............
..............

    return TRUE;
}

void CGridCtrl::OnTimer(UINT nIDEvent)
{
..............
..............
..............

    if (pt.y > rect.bottom)
    {
        //SendMessage(WM_VSCROLL, SB_LINEDOWN, 0); org code

        SendMessage(WM_KEYDOWN, VK_DOWN, 0);

        if (pt.x < rect.left)
            pt.x = rect.left;
        if (pt.x > rect.right)
            pt.x = rect.right;
        pt.y = rect.bottom;
        OnSelecting(GetCellFromPt(pt));
    }
    else if (pt.y < nFixedRowHeight)
    {
        //SendMessage(WM_VSCROLL, SB_LINEUP, 0);  org code

        SendMessage(WM_KEYDOWN, VK_UP, 0);

        if (pt.x < rect.left)
            pt.x = rect.left;
        if (pt.x > rect.right)
            pt.x = rect.right;
        pt.y = nFixedRowHeight + 1;
        OnSelecting(GetCellFromPt(pt));
    }

    pt = origPt;
    if (pt.x > rect.right)
    {
       // Tarek Ahmed

        // SendMessage(WM_HSCROLL, SB_LINERIGHT, 0);

        SendMessage(WM_KEYDOWN, VK_RIGHT, 0);

        if (pt.y < rect.top)
            pt.y = rect.top;
        if (pt.y > rect.bottom)
            pt.y = rect.bottom;
        pt.x = rect.right;
        OnSelecting(GetCellFromPt(pt));
    }
    else if (pt.x < nFixedColWidth)
    {
       // Tarek Ahmed

        //SendMessage(WM_HSCROLL, SB_LINELEFT, 0);

        SendMessage(WM_KEYDOWN, VK_LEFT, 0);

        if (pt.y < rect.top)
            pt.y = rect.top;
        if (pt.y > rect.bottom)
            pt.y = rect.bottom;
        pt.x = nFixedColWidth + 1;
        OnSelecting(GetCellFromPt(pt));
    }
..............
..............
..............
}

// move about with keyboard

void CGridCtrl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
..............
..............
..............
        if (!IsCellVisible(next))
        {

            switch (nChar)
            {
            case VK_LEFT:  
                // Tarek Ahmed

                SendMessage(WM_HSCROLL, SB_LINERIGHT, 0); 
                bHorzScrollAction = TRUE;
                break;
                
            case VK_RIGHT:   
                // Tarek Ahmed

                SendMessage(WM_HSCROLL, SB_LINELEFT, 0);  
                bHorzScrollAction = TRUE;
                break;
                
        }

..............
..............
..............
}

Working with views:

void CSomeClassToWorkAsView::OnInitialUpdate() 
{
    CView::OnInitialUpdate();

    // TODO: Add your specialized code here and/or call the base class


    if (!m_InitOn)
    {
        // Create the Gridctrl window

        m_pGridCtrl = new CGridCtrl;
        if (!m_pGridCtrl) return;

        m_pGridCtrl->bCreateOnView = true;

        CRect rect;
        GetClientRect(rect);
        m_pGridCtrl->Create(rect, this, 1001);

        m_InitOn = true;
    }
    if (m_InitOn)
    {
        ReGetData();
    }
}

Working with cells' merge:

            for (col = 0; col < m_Grid.GetColumnCount(); col++)
            { 
                m_Grid.SetItemBkColour(iRowCur, col, RGB(165, 27, 30));
                m_Grid.SetItemFgColour(iRowCur, col, RGB(255, 255, 0));
            }
            m_Grid.SetSelectedRange(iRowCur, ID_QUTNAME, iRowCur, ID_SELX);
            m_Grid.MergeSelectedCells();

Initialize normal control:

#define ID_COL_COUNT        0
#define ID_COL_DOCNO        1
#define ID_COL_DAYCOUNT        2
#define ID_COL_TDATESTART    3
#define ID_COL_TDATEEND        4
#define ID_COL_UAMTCHARGE    5
#define ID_COL_UAMTMOVE        6
#define ID_COL_UAMTENTRY    7
#define ID_COL_UAMTOTHER    8
#define ID_COL_UAMTTOTAL    9
#define ID_COL_COSTCNTR        10
#define ID_COL_MEMO            11


    m_Grid.DeleteAllItems();
    UpdateWindow();
    m_Grid.GetDefaultCell(FALSE, FALSE)->SetBackClr(RGB(0xFF, 0xFF, 0xE0));
    m_Grid.SetFixedColumnSelection(false);
                m_Grid.SetFixedRowSelection(false);
    m_Grid.SetHeaderSort(TRUE);
    m_Grid.EnableColumnHide();
    m_Grid.SetColumnCount(12);

    m_Grid.SetRowCount(1);    

    m_Grid.SetAutoSizeStyle();

    m_Grid.SetCompareFunction(CGridCtrl::pfnCellNumericCompare);

    m_Grid.SetFixedRowCount(1);
    m_Grid.SetFixedColumnCount(1);

    GV_ITEM Item;
    
    Item.mask = GVIF_TEXT|GVIF_PARAM|GVIF_FORMAT;
    Item.nFormat = DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS;
    Item.nState = 0;
    Item.row = 0;
    Item.col = ID_COL_COUNT;
    Item.strText = "�";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_DOCNO;
    Item.strText = "��� �������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_DAYCOUNT;
    Item.strText = "��� ������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_TDATESTART;
    Item.strText = "��� ��         ";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_TDATEEND;
    Item.strText = "������ ��      ";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_UAMTCHARGE;
    Item.strText = "��� �����";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_UAMTMOVE;
    Item.strText = "�. ������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_UAMTENTRY;
    Item.strText = "�. ������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_UAMTOTHER;
    Item.strText = "�������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_UAMTTOTAL;
    Item.strText = "������";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_COSTCNTR;
    Item.strText = "���� �����";
    m_Grid.SetItem(&Item);

    Item.row = 0;
    Item.col = ID_COL_MEMO;
    Item.strText = _T("�������                          ");
    m_Grid.SetItem(&Item);


    m_Grid.AutoSize();
    m_Grid.ExpandLastColumn();    
    m_Grid.SetEditable(true);
    m_Grid.SetRowResize(false);    


void CSomeClassToWork::SetRowColItem(int row)
{
    for (int col = 0; col < m_Grid.GetColumnCount(); col++)
    { 
        CString str;

        GV_ITEM Item;

        Item.mask = GVIF_TEXT|GVIF_PARAM|GVIF_FORMAT;
        Item.nFormat = DT_LEFT|DT_VCENTER|DT_SINGLELINE|DT_END_ELLIPSIS;
        Item.nState = 0;
        Item.row = row;
        Item.col = col;

        if ( col == ID_COL_COUNT )
        {
            CString sTemp;
            sTemp.Format("%d", row);
            Item.strText = sTemp;
        }

        if ( col == ID_COL_DOCNO ) 
            Item.strText = _T("");

        if ( col == ID_COL_DAYCOUNT ) 
            Item.strText = _T("00");

        if ( ( col >= ID_COL_COSTCNTR )  && ( col <= ID_COL_MEMO ) )
            Item.strText = _T("");

        if ( ( col >= ID_COL_UAMTCHARGE ) && ( col <= ID_COL_UAMTTOTAL ) ) 
            Item.strText = _T("0.00");


        if ( ( col >= ID_COL_TDATESTART ) && ( col <= ID_COL_TDATEEND ) )
            Item.strText = _T("  -  -    ");

        m_Grid.SetItem(&Item);

        m_Grid.SetItemState(row, col,
                m_Grid.GetItemState(row, col) & ~GVIS_READONLY);

        if ( col == ID_COL_DOCNO ) 
        {
            m_Grid.SetItemState(row, col, 
                  m_Grid.GetItemState(row, col) & ~GVIS_READONLY);

            if (!m_Grid.SetCellType(row, col, RUNTIME_CLASS(CGridCellNormal)))
                return;
        }

        if ( ( col >= ID_COL_COSTCNTR )  && ( col <= ID_COL_MEMO ) )
        {
            m_Grid.SetItemState(row, col, 
                   m_Grid.GetItemState(row, col) & ~GVIS_READONLY);

            if (!m_Grid.SetCellType(row, col, RUNTIME_CLASS(CGridCellNormal)))
                return;
        }

        if ( ( col >= ID_COL_TDATESTART ) && ( col <= ID_COL_TDATEEND ) )
        {
            if (!m_Grid.SetCellType(row, col, RUNTIME_CLASS(CGridCellDateTime)))
                return;

            CGridCellDateTime *pCell = 
                 (CGridCellDateTime*) m_Grid.GetCell(row, col);
            COleDateTime m_cTime;
            m_cTime = COleDateTime::GetCurrentTime();
            pCell->m_cTime = m_cTime;
            CString sTDate;
            sTDate = m_cTime.Format("%Y-%m-%d");
            m_Grid.SetItemText(row, col, sTDate);
        }
    }
    m_Grid.SetItemText(row, ID_COL_DOCNO        , sDocNo        );
    m_Grid.SetItemText(row, ID_COL_DAYCOUNT        , sDayCount        );
    m_Grid.SetItemText(row, ID_COL_TDATESTART    , sTDateStart    );
    m_Grid.SetItemText(row, ID_COL_TDATEEND        , sTDateEnd        );
    m_Grid.SetItemText(row, ID_COL_UAMTCHARGE    , suAmtTCharge    );
    m_Grid.SetItemText(row, ID_COL_UAMTMOVE        , suAmtTMove    );
    m_Grid.SetItemText(row, ID_COL_UAMTENTRY    , suAmtTEntry    );
    m_Grid.SetItemText(row, ID_COL_UAMTOTHER    , suAmtTOther    );
    m_Grid.SetItemText(row, ID_COL_UAMTTOTAL    , suAmtTTotal    );
    m_Grid.SetItemText(row, ID_COL_COSTCNTR        , sCostCnt        );
    m_Grid.SetItemText(row, ID_COL_MEMO            , sHMemo        );
}

Have fun!

License

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Article Copyright 2003 by Tarek Ahmed Abdel Rahmane
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