-        // restore the standard colours fonts
-        if ( m_colFgOld.Ok() )
-        {
-            m_control->SetForegroundColour(m_colFgOld);
-            m_colFgOld = wxNullColour;
-        }
-
-        if ( m_colBgOld.Ok() )
-        {
-            m_control->SetBackgroundColour(m_colBgOld);
-            m_colBgOld = wxNullColour;
-        }
-
-// Workaround for GTK+1 font setting problem on some platforms
-#if !defined(__WXGTK__) || defined(__WXGTK20__)
-        if ( m_fontOld.Ok() )
-        {
-            m_control->SetFont(m_fontOld);
-            m_fontOld = wxNullFont;
-        }
-#endif
-    }
-}
-
-void wxGridCellEditor::SetSize(const wxRect& rect)
-{
-    wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
-
-    m_control->SetSize(rect, wxSIZE_ALLOW_MINUS_ONE);
-}
-
-void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
-{
-    event.Skip();
-}
-
-bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
-{
-    bool ctrl = event.ControlDown();
-    bool alt  = event.AltDown();
-
-#ifdef __WXMAC__
-    // On the Mac the Alt key is more like shift and is used for entry of
-    // valid characters, so check for Ctrl and Meta instead.
-    alt = event.MetaDown();
-#endif
-
-    // Assume it's not a valid char if ctrl or alt is down, but if both are
-    // down then it may be because of an AltGr key combination, so let them
-    // through in that case.
-    if ((ctrl || alt) && !(ctrl && alt))
-        return false;
-
-    int key = 0;
-    bool keyOk = true;
-
-#ifdef __WXGTK20__
-    // If it's a F-Key or other special key then it shouldn't start the
-    // editor.
-    if (event.GetKeyCode() >= WXK_START)
-        return false;
-#endif
-#if wxUSE_UNICODE
-    // if the unicode key code is not really a unicode character (it may
-    // be a function key or etc., the platforms appear to always give us a
-    // small value in this case) then fallback to the ASCII key code but
-    // don't do anything for function keys or etc.
-    key = event.GetUnicodeKey();
-    if (key <= 127)
-    {
-        key = event.GetKeyCode();
-        keyOk = (key <= 127);
-    }
-#else
-    key = event.GetKeyCode();
-    keyOk = (key <= 255);
-#endif
-
-    return keyOk;
-}
-
-void wxGridCellEditor::StartingKey(wxKeyEvent& event)
-{
-    event.Skip();
-}
-
-void wxGridCellEditor::StartingClick()
-{
-}
-
-#if wxUSE_TEXTCTRL
-
-// ----------------------------------------------------------------------------
-// wxGridCellTextEditor
-// ----------------------------------------------------------------------------
-
-wxGridCellTextEditor::wxGridCellTextEditor()
-{
-    m_maxChars = 0;
-}
-
-void wxGridCellTextEditor::Create(wxWindow* parent,
-                                  wxWindowID id,
-                                  wxEvtHandler* evtHandler)
-{
-    DoCreate(parent, id, evtHandler);
-}
-
-void wxGridCellTextEditor::DoCreate(wxWindow* parent,
-                                    wxWindowID id,
-                                    wxEvtHandler* evtHandler,
-                                    long style)
-{
-    style |= wxTE_PROCESS_ENTER |
-             wxTE_PROCESS_TAB |
-             wxTE_AUTO_SCROLL |
-             wxNO_BORDER;
-
-    m_control = new wxTextCtrl(parent, id, wxEmptyString,
-                               wxDefaultPosition, wxDefaultSize,
-                               style);
-
-    // set max length allowed in the textctrl, if the parameter was set
-    if ( m_maxChars != 0 )
-    {
-        Text()->SetMaxLength(m_maxChars);
-    }
-
-    wxGridCellEditor::Create(parent, id, evtHandler);
-}
-
-void wxGridCellTextEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
-                                           wxGridCellAttr * WXUNUSED(attr))
-{
-    // as we fill the entire client area,
-    // don't do anything here to minimize flicker
-}
-
-void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
-{
-    wxRect rect(rectOrig);
-
-    // Make the edit control large enough to allow for internal margins
-    //
-    // TODO: remove this if the text ctrl sizing is improved esp. for unix
-    //
-#if defined(__WXGTK__)
-    if (rect.x != 0)
-    {
-        rect.x += 1;
-        rect.y += 1;
-        rect.width -= 1;
-        rect.height -= 1;
-    }
-#elif defined(__WXMSW__)
-    if ( rect.x == 0 )
-        rect.x += 2;
-    else
-        rect.x += 3;
-
-    if ( rect.y == 0 )
-        rect.y += 2;
-    else
-        rect.y += 3;
-
-    rect.width -= 2;
-    rect.height -= 2;
-#else
-    int extra_x = ( rect.x > 2 ) ? 2 : 1;
-    int extra_y = ( rect.y > 2 ) ? 2 : 1;
-
-    #if defined(__WXMOTIF__)
-        extra_x *= 2;
-        extra_y *= 2;
-    #endif
-
-    rect.SetLeft( wxMax(0, rect.x - extra_x) );
-    rect.SetTop( wxMax(0, rect.y - extra_y) );
-    rect.SetRight( rect.GetRight() + 2 * extra_x );
-    rect.SetBottom( rect.GetBottom() + 2 * extra_y );
-#endif
-
-    wxGridCellEditor::SetSize(rect);
-}
-
-void wxGridCellTextEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
-
-    m_startValue = grid->GetTable()->GetValue(row, col);
-
-    DoBeginEdit(m_startValue);
-}
-
-void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
-{
-    Text()->SetValue(startValue);
-    Text()->SetInsertionPointEnd();
-    Text()->SetSelection(-1, -1);
-    Text()->SetFocus();
-}
-
-bool wxGridCellTextEditor::EndEdit(int row, int col, wxGrid* grid)
-{
-    wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
-
-    bool changed = false;
-    wxString value = Text()->GetValue();
-    if (value != m_startValue)
-        changed = true;
-
-    if (changed)
-        grid->GetTable()->SetValue(row, col, value);
-
-    m_startValue = wxEmptyString;
-
-    // No point in setting the text of the hidden control
-    //Text()->SetValue(m_startValue);
-
-    return changed;
-}
-
-void wxGridCellTextEditor::Reset()
-{
-    wxASSERT_MSG(m_control, wxT("The wxGridCellEditor must be created first!"));
-
-    DoReset(m_startValue);
-}
-
-void wxGridCellTextEditor::DoReset(const wxString& startValue)
-{
-    Text()->SetValue(startValue);
-    Text()->SetInsertionPointEnd();
-}
-
-bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
-{
-    return wxGridCellEditor::IsAcceptedKey(event);
-}
-
-void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
-{
-    // Since this is now happening in the EVT_CHAR event EmulateKeyPress is no
-    // longer an appropriate way to get the character into the text control.
-    // Do it ourselves instead.  We know that if we get this far that we have
-    // a valid character, so not a whole lot of testing needs to be done.
-
-    wxTextCtrl* tc = Text();
-    wxChar ch;
-    long pos;
-
-#if wxUSE_UNICODE
-    ch = event.GetUnicodeKey();
-    if (ch <= 127)
-        ch = (wxChar)event.GetKeyCode();
-#else
-    ch = (wxChar)event.GetKeyCode();
-#endif
-
-    switch (ch)
-    {
-        case WXK_DELETE:
-            // delete the character at the cursor
-            pos = tc->GetInsertionPoint();
-            if (pos < tc->GetLastPosition())
-                tc->Remove(pos, pos + 1);
-            break;
-
-        case WXK_BACK:
-            // delete the character before the cursor
-            pos = tc->GetInsertionPoint();
-            if (pos > 0)
-                tc->Remove(pos - 1, pos);
-            break;
-
-        default:
-            tc->WriteText(ch);
-            break;
-    }
-}
-
-void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
-                                         WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )
-{
-#if defined(__WXMOTIF__) || defined(__WXGTK__)
-    // wxMotif needs a little extra help...
-    size_t pos = (size_t)( Text()->GetInsertionPoint() );
-    wxString s( Text()->GetValue() );
-    s = s.Left(pos) + wxT("\n") + s.Mid(pos);
-    Text()->SetValue(s);
-    Text()->SetInsertionPoint( pos );
-#else
-    // the other ports can handle a Return key press
-    //
-    event.Skip();
-#endif
-}
-
-void wxGridCellTextEditor::SetParameters(const wxString& params)
-{
-    if ( !params )
-    {
-        // reset to default
-        m_maxChars = 0;
-    }
-    else
-    {
-        long tmp;
-        if ( params.ToLong(&tmp) )
-        {
-            m_maxChars = (size_t)tmp;
-        }
-        else
-        {
-            wxLogDebug( _T("Invalid wxGridCellTextEditor parameter string '%s' ignored"), params.c_str() );
-        }
-    }
-}
-
-// return the value in the text control
-wxString wxGridCellTextEditor::GetValue() const
-{
-    return Text()->GetValue();
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellNumberEditor
-// ----------------------------------------------------------------------------
-
-wxGridCellNumberEditor::wxGridCellNumberEditor(int min, int max)
-{
-    m_min = min;
-    m_max = max;
-}
-
-void wxGridCellNumberEditor::Create(wxWindow* parent,
-                                    wxWindowID id,
-                                    wxEvtHandler* evtHandler)
-{
-#if wxUSE_SPINCTRL
-    if ( HasRange() )
-    {
-        // create a spin ctrl
-        m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
-                                   wxDefaultPosition, wxDefaultSize,
-                                   wxSP_ARROW_KEYS,
-                                   m_min, m_max);
-
-        wxGridCellEditor::Create(parent, id, evtHandler);
-    }
-    else
-#endif
-    {
-        // just a text control
-        wxGridCellTextEditor::Create(parent, id, evtHandler);
-
-#if wxUSE_VALIDATORS
-        Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
-#endif
-    }
-}
-
-void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    // first get the value
-    wxGridTableBase *table = grid->GetTable();
-    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
-    {
-        m_valueOld = table->GetValueAsLong(row, col);
-    }
-    else
-    {
-        m_valueOld = 0;
-        wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToLong(&m_valueOld) && ! sValue.empty())
-        {
-            wxFAIL_MSG( _T("this cell doesn't have numeric value") );
-            return;
-        }
-    }
-
-#if wxUSE_SPINCTRL
-    if ( HasRange() )
-    {
-        Spin()->SetValue((int)m_valueOld);
-        Spin()->SetFocus();
-    }
-    else
-#endif
-    {
-        DoBeginEdit(GetString());
-    }
-}
-
-bool wxGridCellNumberEditor::EndEdit(int row, int col,
-                                     wxGrid* grid)
-{
-    bool changed;
-    long value = 0;
-    wxString text;
-
-#if wxUSE_SPINCTRL
-    if ( HasRange() )
-    {
-        value = Spin()->GetValue();
-        changed = value != m_valueOld;
-        if (changed)
-            text = wxString::Format(wxT("%ld"), value);
-    }
-    else
-#endif
-    {
-        text = Text()->GetValue();
-        changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
-    }
-
-    if ( changed )
-    {
-        if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
-            grid->GetTable()->SetValueAsLong(row, col, value);
-        else
-            grid->GetTable()->SetValue(row, col, text);
-    }
-
-    return changed;
-}
-
-void wxGridCellNumberEditor::Reset()
-{
-#if wxUSE_SPINCTRL
-    if ( HasRange() )
-    {
-        Spin()->SetValue((int)m_valueOld);
-    }
-    else
-#endif
-    {
-        DoReset(GetString());
-    }
-}
-
-bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
-{
-    if ( wxGridCellEditor::IsAcceptedKey(event) )
-    {
-        int keycode = event.GetKeyCode();
-        if ( (keycode < 128) &&
-             (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
-        {
-            return true;
-        }
-    }
-
-    return false;
-}
-
-void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
-{
-    int keycode = event.GetKeyCode();
-    if ( !HasRange() )
-    {
-        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
-        {
-            wxGridCellTextEditor::StartingKey(event);
-
-            // skip Skip() below
-            return;
-        }
-    }
-#if wxUSE_SPINCTRL
-    else
-    {
-        if ( wxIsdigit(keycode) )
-        {
-            wxSpinCtrl* spin = (wxSpinCtrl*)m_control;
-            spin->SetValue(keycode - '0');
-            spin->SetSelection(1,1);
-            return;
-        }
-    }
-#endif
-
-    event.Skip();
-}
-
-void wxGridCellNumberEditor::SetParameters(const wxString& params)
-{
-    if ( !params )
-    {
-        // reset to default
-        m_min =
-        m_max = -1;
-    }
-    else
-    {
-        long tmp;
-        if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
-        {
-            m_min = (int)tmp;
-
-            if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
-            {
-                m_max = (int)tmp;
-
-                // skip the error message below
-                return;
-            }
-        }
-
-        wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string '%s' ignored"), params.c_str());
-    }
-}
-
-// return the value in the spin control if it is there (the text control otherwise)
-wxString wxGridCellNumberEditor::GetValue() const
-{
-    wxString s;
-
-#if wxUSE_SPINCTRL
-    if ( HasRange() )
-    {
-        long value = Spin()->GetValue();
-        s.Printf(wxT("%ld"), value);
-    }
-    else
-#endif
-    {
-        s = Text()->GetValue();
-    }
-
-    return s;
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellFloatEditor
-// ----------------------------------------------------------------------------
-
-wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
-{
-    m_width = width;
-    m_precision = precision;
-}
-
-void wxGridCellFloatEditor::Create(wxWindow* parent,
-                                   wxWindowID id,
-                                   wxEvtHandler* evtHandler)
-{
-    wxGridCellTextEditor::Create(parent, id, evtHandler);
-
-#if wxUSE_VALIDATORS
-    Text()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
-#endif
-}
-
-void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    // first get the value
-    wxGridTableBase *table = grid->GetTable();
-    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
-    {
-        m_valueOld = table->GetValueAsDouble(row, col);
-    }
-    else
-    {
-        m_valueOld = 0.0;
-        wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
-        {
-            wxFAIL_MSG( _T("this cell doesn't have float value") );
-            return;
-        }
-    }
-
-    DoBeginEdit(GetString());
-}
-
-bool wxGridCellFloatEditor::EndEdit(int row, int col,
-                                     wxGrid* grid)
-{
-    double value = 0.0;
-    wxString text(Text()->GetValue());
-
-    if ( (text.empty() || text.ToDouble(&value)) &&
-            !wxIsSameDouble(value, m_valueOld) )
-    {
-        if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
-            grid->GetTable()->SetValueAsDouble(row, col, value);
-        else
-            grid->GetTable()->SetValue(row, col, text);
-
-        return true;
-    }
-
-    return false;
-}
-
-void wxGridCellFloatEditor::Reset()
-{
-    DoReset(GetString());
-}
-
-void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
-{
-    int keycode = event.GetKeyCode();
-    char tmpbuf[2];
-    tmpbuf[0] = (char) keycode;
-    tmpbuf[1] = '\0';
-    wxString strbuf(tmpbuf, *wxConvCurrent);
-
-#if wxUSE_INTL
-    bool is_decimal_point = ( strbuf ==
-       wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER) );
-#else
-    bool is_decimal_point = ( strbuf == _T(".") );
-#endif
-
-    if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-'
-         || is_decimal_point )
-    {
-        wxGridCellTextEditor::StartingKey(event);
-
-        // skip Skip() below
-        return;
-    }
-
-    event.Skip();
-}
-
-void wxGridCellFloatEditor::SetParameters(const wxString& params)
-{
-    if ( !params )
-    {
-        // reset to default
-        m_width =
-        m_precision = -1;
-    }
-    else
-    {
-        long tmp;
-        if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
-        {
-            m_width = (int)tmp;
-
-            if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
-            {
-                m_precision = (int)tmp;
-
-                // skip the error message below
-                return;
-            }
-        }
-
-        wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
-    }
-}
-
-wxString wxGridCellFloatEditor::GetString() const
-{
-    wxString fmt;
-    if ( m_precision == -1 && m_width != -1)
-    {
-        // default precision
-        fmt.Printf(_T("%%%d.f"), m_width);
-    }
-    else if ( m_precision != -1 && m_width == -1)
-    {
-        // default width
-        fmt.Printf(_T("%%.%df"), m_precision);
-    }
-    else if ( m_precision != -1 && m_width != -1 )
-    {
-        fmt.Printf(_T("%%%d.%df"), m_width, m_precision);
-    }
-    else
-    {
-        // default width/precision
-        fmt = _T("%f");
-    }
-
-    return wxString::Format(fmt, m_valueOld);
-}
-
-bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
-{
-    if ( wxGridCellEditor::IsAcceptedKey(event) )
-    {
-        const int keycode = event.GetKeyCode();
-        if ( isascii(keycode) )
-        {
-            char tmpbuf[2];
-            tmpbuf[0] = (char) keycode;
-            tmpbuf[1] = '\0';
-            wxString strbuf(tmpbuf, *wxConvCurrent);
-
-#if wxUSE_INTL
-            const wxString decimalPoint =
-                wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);
-#else
-            const wxString decimalPoint(_T('.'));
-#endif
-
-            // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
-            if ( wxIsdigit(keycode) ||
-                    tolower(keycode) == 'e' ||
-                        keycode == decimalPoint ||
-                            keycode == '+' ||
-                                keycode == '-' )
-            {
-                return true;
-            }
-        }
-    }
-
-    return false;
-}
-
-#endif // wxUSE_TEXTCTRL
-
-#if wxUSE_CHECKBOX
-
-// ----------------------------------------------------------------------------
-// wxGridCellBoolEditor
-// ----------------------------------------------------------------------------
-
-// the default values for GetValue()
-wxString wxGridCellBoolEditor::ms_stringValues[2] = { _T(""), _T("1") };
-
-void wxGridCellBoolEditor::Create(wxWindow* parent,
-                                  wxWindowID id,
-                                  wxEvtHandler* evtHandler)
-{
-    m_control = new wxCheckBox(parent, id, wxEmptyString,
-                               wxDefaultPosition, wxDefaultSize,
-                               wxNO_BORDER);
-
-    wxGridCellEditor::Create(parent, id, evtHandler);
-}
-
-void wxGridCellBoolEditor::SetSize(const wxRect& r)
-{
-    bool resize = false;
-    wxSize size = m_control->GetSize();
-    wxCoord minSize = wxMin(r.width, r.height);
-
-    // check if the checkbox is not too big/small for this cell
-    wxSize sizeBest = m_control->GetBestSize();
-    if ( !(size == sizeBest) )
-    {
-        // reset to default size if it had been made smaller
-        size = sizeBest;
-
-        resize = true;
-    }
-
-    if ( size.x >= minSize || size.y >= minSize )
-    {
-        // leave 1 pixel margin
-        size.x = size.y = minSize - 2;
-
-        resize = true;
-    }
-
-    if ( resize )
-    {
-        m_control->SetSize(size);
-    }
-
-    // position it in the centre of the rectangle (TODO: support alignment?)
-
-#if defined(__WXGTK__) || defined (__WXMOTIF__)
-    // the checkbox without label still has some space to the right in wxGTK,
-    // so shift it to the right
-    size.x -= 8;
-#elif defined(__WXMSW__)
-    // here too, but in other way
-    size.x += 1;
-    size.y -= 2;
-#endif
-
-    int hAlign = wxALIGN_CENTRE;
-    int vAlign = wxALIGN_CENTRE;
-    if (GetCellAttr())
-        GetCellAttr()->GetAlignment(& hAlign, & vAlign);
-
-    int x = 0, y = 0;
-    if (hAlign == wxALIGN_LEFT)
-    {
-        x = r.x + 2;
-
-#ifdef __WXMSW__
-        x += 2;
-#endif
-
-        y = r.y + r.height / 2 - size.y / 2;
-    }
-    else if (hAlign == wxALIGN_RIGHT)
-    {
-        x = r.x + r.width - size.x - 2;
-        y = r.y + r.height / 2 - size.y / 2;
-    }
-    else if (hAlign == wxALIGN_CENTRE)
-    {
-        x = r.x + r.width / 2 - size.x / 2;
-        y = r.y + r.height / 2 - size.y / 2;
-    }
-
-    m_control->Move(x, y);
-}
-
-void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
-{
-    m_control->Show(show);
-
-    if ( show )
-    {
-        wxColour colBg = attr ? attr->GetBackgroundColour() : *wxLIGHT_GREY;
-        CBox()->SetBackgroundColour(colBg);
-    }
-}
-
-void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    wxASSERT_MSG(m_control,
-                 wxT("The wxGridCellEditor must be created first!"));
-
-    if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
-    {
-        m_startValue = grid->GetTable()->GetValueAsBool(row, col);
-    }
-    else
-    {
-        wxString cellval( grid->GetTable()->GetValue(row, col) );
-
-        if ( cellval == ms_stringValues[false] )
-            m_startValue = false;
-        else if ( cellval == ms_stringValues[true] )
-            m_startValue = true;
-        else
-        {
-            // do not try to be smart here and convert it to true or false
-            // because we'll still overwrite it with something different and
-            // this risks to be very surprising for the user code, let them
-            // know about it
-            wxFAIL_MSG( _T("invalid value for a cell with bool editor!") );
-        }
-    }
-
-    CBox()->SetValue(m_startValue);
-    CBox()->SetFocus();
-}
-
-bool wxGridCellBoolEditor::EndEdit(int row, int col,
-                                   wxGrid* grid)
-{
-    wxASSERT_MSG(m_control,
-                 wxT("The wxGridCellEditor must be created first!"));
-
-    bool changed = false;
-    bool value = CBox()->GetValue();
-    if ( value != m_startValue )
-        changed = true;
-
-    if ( changed )
-    {
-        wxGridTableBase * const table = grid->GetTable();
-        if ( table->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
-            table->SetValueAsBool(row, col, value);
-        else
-            table->SetValue(row, col, GetValue());
-    }
-
-    return changed;
-}
-
-void wxGridCellBoolEditor::Reset()
-{
-    wxASSERT_MSG(m_control,
-                 wxT("The wxGridCellEditor must be created first!"));
-
-    CBox()->SetValue(m_startValue);
-}
-
-void wxGridCellBoolEditor::StartingClick()
-{
-    CBox()->SetValue(!CBox()->GetValue());
-}
-
-bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
-{
-    if ( wxGridCellEditor::IsAcceptedKey(event) )
-    {
-        int keycode = event.GetKeyCode();
-        switch ( keycode )
-        {
-            case WXK_SPACE:
-            case '+':
-            case '-':
-                return true;
-        }
-    }
-
-    return false;
-}
-
-void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
-{
-    int keycode = event.GetKeyCode();
-    switch ( keycode )
-    {
-        case WXK_SPACE:
-            CBox()->SetValue(!CBox()->GetValue());
-            break;
-
-        case '+':
-            CBox()->SetValue(true);
-            break;
-
-        case '-':
-            CBox()->SetValue(false);
-            break;
-    }
-}
-
-wxString wxGridCellBoolEditor::GetValue() const
-{
-  return ms_stringValues[CBox()->GetValue()];
-}
-
-/* static */ void
-wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
-                                      const wxString& valueFalse)
-{
-    ms_stringValues[false] = valueFalse;
-    ms_stringValues[true] = valueTrue;
-}
-
-/* static */ bool
-wxGridCellBoolEditor::IsTrueValue(const wxString& value)
-{
-    return value == ms_stringValues[true];
-}
-
-#endif // wxUSE_CHECKBOX
-
-#if wxUSE_COMBOBOX
-
-// ----------------------------------------------------------------------------
-// wxGridCellChoiceEditor
-// ----------------------------------------------------------------------------
-
-wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
-                                               bool allowOthers)
-    : m_choices(choices),
-      m_allowOthers(allowOthers) { }
-
-wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
-                                               const wxString choices[],
-                                               bool allowOthers)
-                      : m_allowOthers(allowOthers)
-{
-    if ( count )
-    {
-        m_choices.Alloc(count);
-        for ( size_t n = 0; n < count; n++ )
-        {
-            m_choices.Add(choices[n]);
-        }
-    }
-}
-
-wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
-{
-    wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
-    editor->m_allowOthers = m_allowOthers;
-    editor->m_choices = m_choices;
-
-    return editor;
-}
-
-void wxGridCellChoiceEditor::Create(wxWindow* parent,
-                                    wxWindowID id,
-                                    wxEvtHandler* evtHandler)
-{
-    int style = wxBORDER_NONE;
-    if (!m_allowOthers)
-        style |= wxCB_READONLY;
-    m_control = new wxComboBox(parent, id, wxEmptyString,
-                               wxDefaultPosition, wxDefaultSize,
-                               m_choices, style );
-
-    wxGridCellEditor::Create(parent, id, evtHandler);
-}
-
-void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
-                                             wxGridCellAttr * attr)
-{
-    // as we fill the entire client area, don't do anything here to minimize
-    // flicker
-
-    // TODO: It doesn't actually fill the client area since the height of a
-    // combo always defaults to the standard.  Until someone has time to
-    // figure out the right rectangle to paint, just do it the normal way.
-    wxGridCellEditor::PaintBackground(rectCell, attr);
-}
-
-void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
-{
-    wxASSERT_MSG(m_control,
-                 wxT("The wxGridCellEditor must be created first!"));
-
-    wxGridCellEditorEvtHandler* evtHandler = NULL;
-    if (m_control)
-        evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
-
-    // Don't immediately end if we get a kill focus event within BeginEdit
-    if (evtHandler)
-        evtHandler->SetInSetFocus(true);
-
-    m_startValue = grid->GetTable()->GetValue(row, col);
-
-    if (m_allowOthers)
-    {
-        Combo()->SetValue(m_startValue);
-        Combo()->SetInsertionPointEnd();
-    }
-    else // the combobox is read-only
-    {
-        // find the right position, or default to the first if not found
-        int pos = Combo()->FindString(m_startValue);
-        if (pos == wxNOT_FOUND)
-            pos = 0;
-        Combo()->SetSelection(pos);
-    }
-
-    Combo()->SetFocus();
-
-    if (evtHandler)
-    {
-        // When dropping down the menu, a kill focus event
-        // happens after this point, so we can't reset the flag yet.
-#if !defined(__WXGTK20__)
-        evtHandler->SetInSetFocus(false);
-#endif
-    }
-}
-
-bool wxGridCellChoiceEditor::EndEdit(int row, int col,
-                                     wxGrid* grid)
-{
-    wxString value = Combo()->GetValue();
-    if ( value == m_startValue )
-        return false;
-
-    grid->GetTable()->SetValue(row, col, value);
-
-    return true;
-}
-
-void wxGridCellChoiceEditor::Reset()
-{
-    Combo()->SetValue(m_startValue);
-    Combo()->SetInsertionPointEnd();
-}
-
-void wxGridCellChoiceEditor::SetParameters(const wxString& params)
-{
-    if ( !params )
-    {
-        // what can we do?
-        return;
-    }
-
-    m_choices.Empty();
-
-    wxStringTokenizer tk(params, _T(','));
-    while ( tk.HasMoreTokens() )
-    {
-        m_choices.Add(tk.GetNextToken());
-    }
-}
-
-// return the value in the text control
-wxString wxGridCellChoiceEditor::GetValue() const
-{
-  return Combo()->GetValue();
-}
-
-#endif // wxUSE_COMBOBOX
-
-// ----------------------------------------------------------------------------
-// wxGridCellEditorEvtHandler
-// ----------------------------------------------------------------------------
-
-void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
-{
-    // Don't disable the cell if we're just starting to edit it
-    if (m_inSetFocus)
-        return;
-
-    // accept changes
-    m_grid->DisableCellEditControl();
-
-    event.Skip();
-}
-
-void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
-{
-    switch ( event.GetKeyCode() )
-    {
-        case WXK_ESCAPE:
-            m_editor->Reset();
-            m_grid->DisableCellEditControl();
-            break;
-
-        case WXK_TAB:
-            m_grid->GetEventHandler()->ProcessEvent( event );
-            break;
-
-        case WXK_RETURN:
-        case WXK_NUMPAD_ENTER:
-            if (!m_grid->GetEventHandler()->ProcessEvent(event))
-                m_editor->HandleReturn(event);
-            break;
-
-        default:
-            event.Skip();
-            break;
-    }
-}
-
-void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
-{
-    int row = m_grid->GetGridCursorRow();
-    int col = m_grid->GetGridCursorCol();
-    wxRect rect = m_grid->CellToRect( row, col );
-    int cw, ch;
-    m_grid->GetGridWindow()->GetClientSize( &cw, &ch );
-
-    // if cell width is smaller than grid client area, cell is wholly visible
-    bool wholeCellVisible = (rect.GetWidth() < cw);
-
-    switch ( event.GetKeyCode() )
-    {
-        case WXK_ESCAPE:
-        case WXK_TAB:
-        case WXK_RETURN:
-        case WXK_NUMPAD_ENTER:
-            break;
-
-        case WXK_HOME:
-        {
-            if ( wholeCellVisible )
-            {
-                // no special processing needed...
-                event.Skip();
-                break;
-            }
-
-            // do special processing for partly visible cell...
-
-            // get the widths of all cells previous to this one
-            int colXPos = 0;
-            for ( int i = 0; i < col; i++ )
-            {
-                colXPos += m_grid->GetColSize(i);
-            }
-
-            int xUnit = 1, yUnit = 1;
-            m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
-            if (col != 0)
-            {
-                m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
-            }
-            else
-            {
-                m_grid->Scroll(colXPos / xUnit, m_grid->GetScrollPos(wxVERTICAL));
-            }
-            event.Skip();
-            break;
-        }
-
-        case WXK_END:
-        {
-            if ( wholeCellVisible )
-            {
-                // no special processing needed...
-                event.Skip();
-                break;
-            }
-
-            // do special processing for partly visible cell...
-
-            int textWidth = 0;
-            wxString value = m_grid->GetCellValue(row, col);
-            if ( wxEmptyString != value )
-            {
-                // get width of cell CONTENTS (text)
-                int y;
-                wxFont font = m_grid->GetCellFont(row, col);
-                m_grid->GetTextExtent(value, &textWidth, &y, NULL, NULL, &font);
-
-                // try to RIGHT align the text by scrolling
-                int client_right = m_grid->GetGridWindow()->GetClientSize().GetWidth();
-
-                // (m_grid->GetScrollLineX()*2) is a factor for not scrolling to far,
-                // otherwise the last part of the cell content might be hidden below the scroll bar
-                // FIXME: maybe there is a more suitable correction?
-                textWidth -= (client_right - (m_grid->GetScrollLineX() * 2));
-                if ( textWidth < 0 )
-                {
-                    textWidth = 0;
-                }
-            }
-
-            // get the widths of all cells previous to this one
-            int colXPos = 0;
-            for ( int i = 0; i < col; i++ )
-            {
-                colXPos += m_grid->GetColSize(i);
-            }
-
-            // and add the (modified) text width of the cell contents
-            // as we'd like to see the last part of the cell contents
-            colXPos += textWidth;
-
-            int xUnit = 1, yUnit = 1;
-            m_grid->GetScrollPixelsPerUnit(&xUnit, &yUnit);
-            m_grid->Scroll(colXPos / xUnit - 1, m_grid->GetScrollPos(wxVERTICAL));
-            event.Skip();
-            break;
-        }
-
-        default:
-            event.Skip();
-            break;
-    }
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellWorker is an (almost) empty common base class for
-// wxGridCellRenderer and wxGridCellEditor managing ref counting
-// ----------------------------------------------------------------------------
-
-void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
-{
-    // nothing to do
-}
-
-wxGridCellWorker::~wxGridCellWorker()
-{
-}
-
-// ============================================================================
-// renderer classes
-// ============================================================================
-
-// ----------------------------------------------------------------------------
-// wxGridCellRenderer
-// ----------------------------------------------------------------------------
-
-void wxGridCellRenderer::Draw(wxGrid& grid,
-                              wxGridCellAttr& attr,
-                              wxDC& dc,
-                              const wxRect& rect,
-                              int WXUNUSED(row), int WXUNUSED(col),
-                              bool isSelected)
-{
-    dc.SetBackgroundMode( wxSOLID );
-
-    // grey out fields if the grid is disabled
-    if ( grid.IsEnabled() )
-    {
-        if ( isSelected )
-        {
-            wxColour clr;
-            if ( grid.HasFocus() )
-                clr = grid.GetSelectionBackground();
-            else
-                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
-            dc.SetBrush( wxBrush(clr, wxSOLID) );
-        }
-        else
-        {
-            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
-        }
-    }
-    else
-    {
-        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
-    }
-
-    dc.SetPen( *wxTRANSPARENT_PEN );
-    dc.DrawRectangle(rect);
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellStringRenderer
-// ----------------------------------------------------------------------------
-
-void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
-                                                     const wxGridCellAttr& attr,
-                                                     wxDC& dc,
-                                                     bool isSelected)
-{
-    dc.SetBackgroundMode( wxTRANSPARENT );
-
-    // TODO some special colours for attr.IsReadOnly() case?
-
-    // different coloured text when the grid is disabled
-    if ( grid.IsEnabled() )
-    {
-        if ( isSelected )
-        {
-            wxColour clr;
-            if ( grid.HasFocus() )
-                clr = grid.GetSelectionBackground();
-            else
-                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
-            dc.SetTextBackground( clr );
-            dc.SetTextForeground( grid.GetSelectionForeground() );
-        }
-        else
-        {
-            dc.SetTextBackground( attr.GetBackgroundColour() );
-            dc.SetTextForeground( attr.GetTextColour() );
-        }
-    }
-    else
-    {
-        dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
-        dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
-    }
-
-    dc.SetFont( attr.GetFont() );
-}
-
-wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
-                                               wxDC& dc,
-                                               const wxString& text)
-{
-    wxCoord x = 0, y = 0, max_x = 0;
-    dc.SetFont(attr.GetFont());
-    wxStringTokenizer tk(text, _T('\n'));
-    while ( tk.HasMoreTokens() )
-    {
-        dc.GetTextExtent(tk.GetNextToken(), &x, &y);
-        max_x = wxMax(max_x, x);
-    }
-
-    y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.
-
-    return wxSize(max_x, y);
-}
-
-wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
-                                             wxGridCellAttr& attr,
-                                             wxDC& dc,
-                                             int row, int col)
-{
-    return DoGetBestSize(attr, dc, grid.GetCellValue(row, col));
-}
-
-void wxGridCellStringRenderer::Draw(wxGrid& grid,
-                                    wxGridCellAttr& attr,
-                                    wxDC& dc,
-                                    const wxRect& rectCell,
-                                    int row, int col,
-                                    bool isSelected)
-{
-    wxRect rect = rectCell;
-    rect.Inflate(-1);
-
-    // erase only this cells background, overflow cells should have been erased
-    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
-
-    int hAlign, vAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-
-    int overflowCols = 0;
-
-    if (attr.GetOverflow())
-    {
-        int cols = grid.GetNumberCols();
-        int best_width = GetBestSize(grid,attr,dc,row,col).GetWidth();
-        int cell_rows, cell_cols;
-        attr.GetSize( &cell_rows, &cell_cols ); // shouldn't get here if <= 0
-        if ((best_width > rectCell.width) && (col < cols) && grid.GetTable())
-        {
-            int i, c_cols, c_rows;
-            for (i = col+cell_cols; i < cols; i++)
-            {
-                bool is_empty = true;
-                for (int j=row; j < row + cell_rows; j++)
-                {
-                    // check w/ anchor cell for multicell block
-                    grid.GetCellSize(j, i, &c_rows, &c_cols);
-                    if (c_rows > 0)
-                        c_rows = 0;
-                    if (!grid.GetTable()->IsEmptyCell(j + c_rows, i))
-                    {
-                        is_empty = false;
-                        break;
-                    }
-                }
-
-                if (is_empty)
-                {
-                    rect.width += grid.GetColSize(i);
-                }
-                else
-                {
-                    i--;
-                    break;
-                }
-
-                if (rect.width >= best_width)
-                    break;
-            }
-
-            overflowCols = i - col - cell_cols + 1;
-            if (overflowCols >= cols)
-                overflowCols = cols - 1;
-        }
-
-        if (overflowCols > 0) // redraw overflow cells w/ proper hilight
-        {
-            hAlign = wxALIGN_LEFT; // if oveflowed then it's left aligned
-            wxRect clip = rect;
-            clip.x += rectCell.width;
-            // draw each overflow cell individually
-            int col_end = col + cell_cols + overflowCols;
-            if (col_end >= grid.GetNumberCols())
-                col_end = grid.GetNumberCols() - 1;
-            for (int i = col + cell_cols; i <= col_end; i++)
-            {
-                clip.width = grid.GetColSize(i) - 1;
-                dc.DestroyClippingRegion();
-                dc.SetClippingRegion(clip);
-
-                SetTextColoursAndFont(grid, attr, dc,
-                        grid.IsInSelection(row,i));
-
-                grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
-                        rect, hAlign, vAlign);
-                clip.x += grid.GetColSize(i) - 1;
-            }
-
-            rect = rectCell;
-            rect.Inflate(-1);
-            rect.width++;
-            dc.DestroyClippingRegion();
-        }
-    }
-
-    // now we only have to draw the text
-    SetTextColoursAndFont(grid, attr, dc, isSelected);
-
-    grid.DrawTextRectangle(dc, grid.GetCellValue(row, col),
-                           rect, hAlign, vAlign);
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellNumberRenderer
-// ----------------------------------------------------------------------------
-
-wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
-{
-    wxGridTableBase *table = grid.GetTable();
-    wxString text;
-    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_NUMBER) )
-    {
-        text.Printf(_T("%ld"), table->GetValueAsLong(row, col));
-    }
-    else
-    {
-        text = table->GetValue(row, col);
-    }
-
-    return text;
-}
-
-void wxGridCellNumberRenderer::Draw(wxGrid& grid,
-                                    wxGridCellAttr& attr,
-                                    wxDC& dc,
-                                    const wxRect& rectCell,
-                                    int row, int col,
-                                    bool isSelected)
-{
-    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
-
-    SetTextColoursAndFont(grid, attr, dc, isSelected);
-
-    // draw the text right aligned by default
-    int hAlign, vAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-    hAlign = wxALIGN_RIGHT;
-
-    wxRect rect = rectCell;
-    rect.Inflate(-1);
-
-    grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
-}
-
-wxSize wxGridCellNumberRenderer::GetBestSize(wxGrid& grid,
-                                             wxGridCellAttr& attr,
-                                             wxDC& dc,
-                                             int row, int col)
-{
-    return DoGetBestSize(attr, dc, GetString(grid, row, col));
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellFloatRenderer
-// ----------------------------------------------------------------------------
-
-wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
-{
-    SetWidth(width);
-    SetPrecision(precision);
-}
-
-wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
-{
-    wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
-    renderer->m_width = m_width;
-    renderer->m_precision = m_precision;
-    renderer->m_format = m_format;
-
-    return renderer;
-}
-
-wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
-{
-    wxGridTableBase *table = grid.GetTable();
-
-    bool hasDouble;
-    double val;
-    wxString text;
-    if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
-    {
-        val = table->GetValueAsDouble(row, col);
-        hasDouble = true;
-    }
-    else
-    {
-        text = table->GetValue(row, col);
-        hasDouble = text.ToDouble(&val);
-    }
-
-    if ( hasDouble )
-    {
-        if ( !m_format )
-        {
-            if ( m_width == -1 )
-            {
-                if ( m_precision == -1 )
-                {
-                    // default width/precision
-                    m_format = _T("%f");
-                }
-                else
-                {
-                    m_format.Printf(_T("%%.%df"), m_precision);
-                }
-            }
-            else if ( m_precision == -1 )
-            {
-                // default precision
-                m_format.Printf(_T("%%%d.f"), m_width);
-            }
-            else
-            {
-                m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
-            }
-        }
-
-        text.Printf(m_format, val);
-
-    }
-    //else: text already contains the string
-
-    return text;
-}
-
-void wxGridCellFloatRenderer::Draw(wxGrid& grid,
-                                   wxGridCellAttr& attr,
-                                   wxDC& dc,
-                                   const wxRect& rectCell,
-                                   int row, int col,
-                                   bool isSelected)
-{
-    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
-
-    SetTextColoursAndFont(grid, attr, dc, isSelected);
-
-    // draw the text right aligned by default
-    int hAlign, vAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-    hAlign = wxALIGN_RIGHT;
-
-    wxRect rect = rectCell;
-    rect.Inflate(-1);
-
-    grid.DrawTextRectangle(dc, GetString(grid, row, col), rect, hAlign, vAlign);
-}
-
-wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
-                                            wxGridCellAttr& attr,
-                                            wxDC& dc,
-                                            int row, int col)
-{
-    return DoGetBestSize(attr, dc, GetString(grid, row, col));
-}
-
-void wxGridCellFloatRenderer::SetParameters(const wxString& params)
-{
-    if ( !params )
-    {
-        // reset to defaults
-        SetWidth(-1);
-        SetPrecision(-1);
-    }
-    else
-    {
-        wxString tmp = params.BeforeFirst(_T(','));
-        if ( !tmp.empty() )
-        {
-            long width;
-            if ( tmp.ToLong(&width) )
-            {
-                SetWidth((int)width);
-            }
-            else
-            {
-                wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
-            }
-        }
-
-        tmp = params.AfterFirst(_T(','));
-        if ( !tmp.empty() )
-        {
-            long precision;
-            if ( tmp.ToLong(&precision) )
-            {
-                SetPrecision((int)precision);
-            }
-            else
-            {
-                wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
-            }
-        }
-    }
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellBoolRenderer
-// ----------------------------------------------------------------------------
-
-wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
-
-// FIXME these checkbox size calculations are really ugly...
-
-// between checkmark and box
-static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
-
-wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
-                                           wxGridCellAttr& WXUNUSED(attr),
-                                           wxDC& WXUNUSED(dc),
-                                           int WXUNUSED(row),
-                                           int WXUNUSED(col))
-{
-    // compute it only once (no locks for MT safeness in GUI thread...)
-    if ( !ms_sizeCheckMark.x )
-    {
-        // get checkbox size
-        wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
-        wxSize size = checkbox->GetBestSize();
-        wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
-
-#if defined(__WXMOTIF__)
-        checkSize -= size.y / 2;
-#endif
-
-        delete checkbox;
-
-        ms_sizeCheckMark.x = ms_sizeCheckMark.y = checkSize;
-    }
-
-    return ms_sizeCheckMark;
-}
-
-void wxGridCellBoolRenderer::Draw(wxGrid& grid,
-                                  wxGridCellAttr& attr,
-                                  wxDC& dc,
-                                  const wxRect& rect,
-                                  int row, int col,
-                                  bool isSelected)
-{
-    wxGridCellRenderer::Draw(grid, attr, dc, rect, row, col, isSelected);
-
-    // draw a check mark in the centre (ignoring alignment - TODO)
-    wxSize size = GetBestSize(grid, attr, dc, row, col);
-
-    // don't draw outside the cell
-    wxCoord minSize = wxMin(rect.width, rect.height);
-    if ( size.x >= minSize || size.y >= minSize )
-    {
-        // and even leave (at least) 1 pixel margin
-        size.x = size.y = minSize;
-    }
-
-    // draw a border around checkmark
-    int vAlign, hAlign;
-    attr.GetAlignment(&hAlign, &vAlign);
-
-    wxRect rectBorder;
-    if (hAlign == wxALIGN_CENTRE)
-    {
-        rectBorder.x = rect.x + rect.width / 2 - size.x / 2;
-        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
-        rectBorder.width = size.x;
-        rectBorder.height = size.y;
-    }
-    else if (hAlign == wxALIGN_LEFT)
-    {
-        rectBorder.x = rect.x + 2;
-        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
-        rectBorder.width = size.x;
-        rectBorder.height = size.y;
-    }
-    else if (hAlign == wxALIGN_RIGHT)
-    {
-        rectBorder.x = rect.x + rect.width - size.x - 2;
-        rectBorder.y = rect.y + rect.height / 2 - size.y / 2;
-        rectBorder.width = size.x;
-        rectBorder.height = size.y;
-    }
-
-    bool value;
-    if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
-    {
-        value = grid.GetTable()->GetValueAsBool(row, col);
-    }
-    else
-    {
-        wxString cellval( grid.GetTable()->GetValue(row, col) );
-        value = wxGridCellBoolEditor::IsTrueValue(cellval);
-    }
-
-    int flags = 0;
-    if (value)
-        flags |= wxCONTROL_CHECKED; 
-        
-    wxRendererNative::Get().DrawCheckBox( &grid, dc, rectBorder, flags );
-}
-
-// ----------------------------------------------------------------------------
-// wxGridCellAttr
-// ----------------------------------------------------------------------------
-
-void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
-{
-    m_nRef = 1;
-
-    m_isReadOnly = Unset;
-
-    m_renderer = NULL;
-    m_editor = NULL;
-
-    m_attrkind = wxGridCellAttr::Cell;
-
-    m_sizeRows = m_sizeCols = 1;
-    m_overflow = UnsetOverflow;
-
-    SetDefAttr(attrDefault);
-}
-
-wxGridCellAttr *wxGridCellAttr::Clone() const
-{
-    wxGridCellAttr *attr = new wxGridCellAttr(m_defGridAttr);
-
-    if ( HasTextColour() )
-        attr->SetTextColour(GetTextColour());
-    if ( HasBackgroundColour() )
-        attr->SetBackgroundColour(GetBackgroundColour());
-    if ( HasFont() )
-        attr->SetFont(GetFont());
-    if ( HasAlignment() )
-        attr->SetAlignment(m_hAlign, m_vAlign);
-
-    attr->SetSize( m_sizeRows, m_sizeCols );
-
-    if ( m_renderer )
-    {
-        attr->SetRenderer(m_renderer);
-        m_renderer->IncRef();
-    }
-    if ( m_editor )
-    {
-        attr->SetEditor(m_editor);
-        m_editor->IncRef();
-    }
-
-    if ( IsReadOnly() )
-        attr->SetReadOnly();
-
-    attr->SetOverflow( m_overflow == Overflow );
-    attr->SetKind( m_attrkind );
-
-    return attr;
-}
-
-void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
-{
-    if ( !HasTextColour() && mergefrom->HasTextColour() )
-        SetTextColour(mergefrom->GetTextColour());
-    if ( !HasBackgroundColour() && mergefrom->HasBackgroundColour() )
-        SetBackgroundColour(mergefrom->GetBackgroundColour());
-    if ( !HasFont() && mergefrom->HasFont() )
-        SetFont(mergefrom->GetFont());
-    if ( !HasAlignment() && mergefrom->HasAlignment() )
-    {
-        int hAlign, vAlign;
-        mergefrom->GetAlignment( &hAlign, &vAlign);
-        SetAlignment(hAlign, vAlign);
-    }
-    if ( !HasSize() && mergefrom->HasSize() )
-        mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
-
-    // Directly access member functions as GetRender/Editor don't just return
-    // m_renderer/m_editor
-    //
-    // Maybe add support for merge of Render and Editor?
-    if (!HasRenderer() && mergefrom->HasRenderer() )
-    {
-        m_renderer = mergefrom->m_renderer;
-        m_renderer->IncRef();
-    }
-    if ( !HasEditor() && mergefrom->HasEditor() )
-    {
-        m_editor =  mergefrom->m_editor;
-        m_editor->IncRef();
-    }
-    if ( !HasReadWriteMode() && mergefrom->HasReadWriteMode() )
-        SetReadOnly(mergefrom->IsReadOnly());
-
-    if (!HasOverflowMode() && mergefrom->HasOverflowMode() )
-        SetOverflow(mergefrom->GetOverflow());
-
-    SetDefAttr(mergefrom->m_defGridAttr);
-}
-
-void wxGridCellAttr::SetSize(int num_rows, int num_cols)
-{
-    // The size of a cell is normally 1,1
-
-    // If this cell is larger (2,2) then this is the top left cell
-    // the other cells that will be covered (lower right cells) must be
-    // set to negative or zero values such that
-    // row + num_rows of the covered cell points to the larger cell (this cell)
-    // same goes for the col + num_cols.
-
-    // Size of 0,0 is NOT valid, neither is <=0 and any positive value
-
-    wxASSERT_MSG( (!((num_rows > 0) && (num_cols <= 0)) ||
-                  !((num_rows <= 0) && (num_cols > 0)) ||
-                  !((num_rows == 0) && (num_cols == 0))),
-                  wxT("wxGridCellAttr::SetSize only takes two postive values or negative/zero values"));
-
-    m_sizeRows = num_rows;
-    m_sizeCols = num_cols;
-}
-
-const wxColour& wxGridCellAttr::GetTextColour() const
-{
-    if (HasTextColour())
-    {
-        return m_colText;
-    }
-    else if (m_defGridAttr && m_defGridAttr != this)
-    {
-        return m_defGridAttr->GetTextColour();
-    }
-    else
-    {
-        wxFAIL_MSG(wxT("Missing default cell attribute"));
-        return wxNullColour;