Function EditConvertText

src/Edit.c:314–360

============================================================================= EditConvertText()

//  EditConvertText()
//
BOOL EditConvertText ( HWND hwnd, UINT cpSource, UINT cpDest, BOOL bSetSavePoint )
{
    struct TextRange tr = { { 0, -1 }, NULL };
    int length, cbText, cbwText;
    char *pchText;
    WCHAR *pwchText;
    if ( cpSource == cpDest ) {
        return ( TRUE );
    }
    length = ( int ) SendMessage ( hwnd, SCI_GETLENGTH, 0, 0 );
    if ( length == 0 ) {
        SendMessage ( hwnd, SCI_CANCEL, 0, 0 );
        SendMessage ( hwnd, SCI_SETUNDOCOLLECTION, 0, 0 );
        SendMessage ( hwnd, SCI_EMPTYUNDOBUFFER, 0, 0 );
        SendMessage ( hwnd, SCI_CLEARALL, 0, 0 );
        SendMessage ( hwnd, SCI_MARKERDELETEALL, ( WPARAM ) - 1, 0 );
        SendMessage ( hwnd, SCI_SETCODEPAGE, cpDest, 0 );
        SendMessage ( hwnd, SCI_SETUNDOCOLLECTION, 1, 0 );
        SendMessage ( hwnd, EM_EMPTYUNDOBUFFER, 0, 0 );
        SendMessage ( hwnd, SCI_GOTOPOS, 0, 0 );
        SendMessage ( hwnd, SCI_CHOOSECARETX, 0, 0 );
        if ( bSetSavePoint ) {
            SendMessage ( hwnd, SCI_SETSAVEPOINT, 0, 0 );
        }
    } else {
        pchText = GlobalAlloc ( GPTR, length * 5 + 2 );
        tr.lpstrText = pchText;
        SendMessage ( hwnd, SCI_GETTEXTRANGE, 0, ( LPARAM ) &tr );
        pwchText = GlobalAlloc ( GPTR, length * 3 + 2 );
        cbwText  = MultiByteToWideChar ( cpSource, 0, pchText, length, pwchText, length * 3 + 2 );
        cbText   = WideCharToMultiByte ( cpDest, 0, pwchText, cbwText, pchText, length * 5 + 2, NULL, NULL );
        SendMessage ( hwnd, SCI_CANCEL, 0, 0 );
        SendMessage ( hwnd, SCI_SETUNDOCOLLECTION, 0, 0 );
        SendMessage ( hwnd, SCI_EMPTYUNDOBUFFER, 0, 0 );
        SendMessage ( hwnd, SCI_CLEARALL, 0, 0 );
        SendMessage ( hwnd, SCI_MARKERDELETEALL, ( WPARAM ) - 1, 0 );
        SendMessage ( hwnd, SCI_SETCODEPAGE, cpDest, 0 );
        SendMessage ( hwnd, SCI_ADDTEXT, cbText, ( LPARAM ) pchText );
        SendMessage ( hwnd, SCI_EMPTYUNDOBUFFER, 0, 0 );
        SendMessage ( hwnd, SCI_SETUNDOCOLLECTION, 1, 0 );
        SendMessage ( hwnd, SCI_GOTOPOS, 0, 0 );
        SendMessage ( hwnd, SCI_CHOOSECARETX, 0, 0 );
        GlobalFree ( pchText );
        GlobalFree ( pwchText );
    }
    return ( TRUE );
}


//=============================================================================