dmsv2/Dms/InPlaceEdit.cpp

#include "pch.h"
#include "InPlaceEdit.h"
#include "GridCtrl.h"

/////////////////////////////////////////////////////////////////////////////
// CInPlaceEdit

CInPlaceEdit::CInPlaceEdit(CWnd* pParent, CRect& rect, DWORD dwStyle, UINT nID,
    int nRow, int nColumn, CString sInitText,
    UINT nFirstChar)
{
    m_sInitText = sInitText;
    m_nRow = nRow;
    m_nColumn = nColumn;
    m_nLastChar = 0;
    m_bExitOnArrows = (nFirstChar != VK_LBUTTON);    // If mouse click brought us here,
                                                     // then no exit on arrows

    m_Rect = rect;  // For bizarre CE bug.

    DWORD dwEditStyle = WS_BORDER | WS_CHILD | WS_VISIBLE | ES_AUTOHSCROLL //|ES_MULTILINE
        | dwStyle;
    if (!Create(dwEditStyle, rect, pParent, nID)) return;

    SetFont(pParent->GetFont());

    SetWindowText(sInitText);
    SetFocus();

    switch (nFirstChar) {
    case VK_LBUTTON:
    case VK_RETURN:   SetSel((int)_tcslen(m_sInitText), -1); return;
    case VK_BACK:     SetSel((int)_tcslen(m_sInitText), -1); break;
    case VK_TAB:
    case VK_DOWN:
    case VK_UP:
    case VK_RIGHT:
    case VK_LEFT:
    case VK_NEXT:
    case VK_PRIOR:
    case VK_HOME:
    case VK_SPACE:
    case VK_END:      SetSel(0, -1); return;
    default:          SetSel(0, -1);
    }

    // Added by KiteFly. When entering DBCS chars into cells the first char was being lost
    // SenMessage changed to PostMessage (John Lagerquist)
    if (nFirstChar < 0x80)
        PostMessage(WM_CHAR, nFirstChar);
    else
        PostMessage(WM_IME_CHAR, nFirstChar);
}

CInPlaceEdit::~CInPlaceEdit()
{
}

BEGIN_MESSAGE_MAP(CInPlaceEdit, CEdit)
    //{{AFX_MSG_MAP(CInPlaceEdit)
    ON_WM_KILLFOCUS()
    ON_WM_CHAR()
    ON_WM_KEYDOWN()
    ON_WM_GETDLGCODE()
    ON_WM_CREATE()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

////////////////////////////////////////////////////////////////////////////
// CInPlaceEdit message handlers

// If an arrow key (or associated) is pressed, then exit if
//  a) The Ctrl key was down, or
//  b) m_bExitOnArrows == TRUE
void CInPlaceEdit::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
{
    if ((nChar == VK_PRIOR || nChar == VK_NEXT ||
        nChar == VK_DOWN || nChar == VK_UP ||
        nChar == VK_RIGHT || nChar == VK_LEFT) &&
        (m_bExitOnArrows || GetKeyState(VK_CONTROL) < 0))
    {
        m_nLastChar = nChar;
        GetParent()->SetFocus();
        return;
    }

    CEdit::OnKeyDown(nChar, nRepCnt, nFlags);
}

// As soon as this edit loses focus, kill it.
void CInPlaceEdit::OnKillFocus(CWnd* pNewWnd)
{
    CEdit::OnKillFocus(pNewWnd);
    EndEdit();
}

void CInPlaceEdit::OnChar(UINT nChar, UINT nRepCnt, UINT nFlags)
{
    if (nChar == VK_TAB || nChar == VK_RETURN)
    {
        m_nLastChar = nChar;
        GetParent()->SetFocus();    // This will destroy this window
        return;
    }
    if (nChar == VK_ESCAPE)
    {
        SetWindowText(m_sInitText);    // restore previous text
        m_nLastChar = nChar;
        GetParent()->SetFocus();
        return;
    }

    CEdit::OnChar(nChar, nRepCnt, nFlags);

    // Resize edit control if needed

    // Get text extent
    CString str;
    GetWindowText(str);

    // add some extra buffer
    str += _T("  ");

    CWindowDC dc(this);
    CFont *pFontDC = dc.SelectObject(GetFont());
    CSize size = dc.GetTextExtent(str);
    dc.SelectObject(pFontDC);

    // Get client rect
    CRect ParentRect;
    GetParent()->GetClientRect(&ParentRect);

    // Check whether control needs to be resized
    // and whether there is space to grow
    if (size.cx > m_Rect.Width())
    {
        if (size.cx + m_Rect.left < ParentRect.right)
            m_Rect.right = m_Rect.left + size.cx;
        else
            m_Rect.right = ParentRect.right;
        MoveWindow(&m_Rect);
    }
}

UINT CInPlaceEdit::OnGetDlgCode()
{
    return DLGC_WANTALLKEYS;
}

////////////////////////////////////////////////////////////////////////////
// CInPlaceEdit overrides

// Stoopid win95 accelerator key problem workaround - Matt Weagle.
BOOL CInPlaceEdit::PreTranslateMessage(MSG* pMsg)
{
    // Catch the Alt key so we don't choke if focus is going to an owner drawn button
    if (pMsg->message == WM_SYSCHAR)
        return TRUE;

    return CWnd::PreTranslateMessage(pMsg);
}

// Auto delete
void CInPlaceEdit::PostNcDestroy()
{
    CEdit::PostNcDestroy();

    delete this;
}

////////////////////////////////////////////////////////////////////////////
// CInPlaceEdit implementation

void CInPlaceEdit::EndEdit()
{
    CString str;

    // EFW - BUG FIX - Clicking on a grid scroll bar in a derived class
    // that validates input can cause this to get called multiple times
    // causing assertions because the edit control goes away the first time.
    static BOOL bAlreadyEnding = FALSE;

    if (bAlreadyEnding)
        return;

    bAlreadyEnding = TRUE;
    GetWindowText(str);

    // Send Notification to parent
    GV_DISPINFO dispinfo;

    dispinfo.hdr.hwndFrom = GetSafeHwnd();
    dispinfo.hdr.idFrom = GetDlgCtrlID();
    dispinfo.hdr.code = GVN_ENDLABELEDIT;

    dispinfo.item.mask = LVIF_TEXT | LVIF_PARAM;
    dispinfo.item.row = m_nRow;
    dispinfo.item.col = m_nColumn;
    dispinfo.item.strText = str;
    dispinfo.item.lParam = (LPARAM)m_nLastChar;

    CWnd* pOwner = GetOwner();
    if (pOwner)
        pOwner->SendMessage(WM_NOTIFY, GetDlgCtrlID(), (LPARAM)&dispinfo);

    // Close this window (PostNcDestroy will delete this)
    if (IsWindow(GetSafeHwnd()))
        SendMessage(WM_CLOSE, 0, 0);
    bAlreadyEnding = FALSE;
}