X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ec53826c06f6a4de6e9d0c6dedead881458736fc..169adfa9c4b781f737920bc808da91cd926c3e36:/src/generic/grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index efd7c85f4d..c52334ed7c 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "grid.h"
-#endif
-
 // For compilers that support precompilatixon, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
@@ -32,10 +28,6 @@
 
 #if wxUSE_GRID
 
-#if !defined(wxUSE_NEW_GRID) || !(wxUSE_NEW_GRID)
-    #include "gridg.cpp"
-#else // wxUSE_NEW_GRID
-
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dcclient.h"
@@ -45,11 +37,14 @@
     #include "wx/checkbox.h"
     #include "wx/combobox.h"
     #include "wx/valtext.h"
+    #include "wx/intl.h"
+    #include "wx/math.h"
 #endif
 
 #include "wx/textfile.h"
 #include "wx/spinctrl.h"
 #include "wx/tokenzr.h"
+#include "wx/renderer.h"
 
 #include "wx/grid.h"
 #include "wx/generic/gridsel.h"
@@ -73,7 +68,8 @@
 // array classes
 // ----------------------------------------------------------------------------
 
-WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
+                                 class WXDLLIMPEXP_ADV);
 
 struct wxGridCellWithAttr
 {
@@ -89,9 +85,14 @@ struct wxGridCellWithAttr
 
     wxGridCellCoords coords;
     wxGridCellAttr  *attr;
+
+// Cannot do this:
+//  DECLARE_NO_COPY_CLASS(wxGridCellWithAttr)
+// without rewriting the macros, which require a public copy constructor.
 };
 
-WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
+WX_DECLARE_OBJARRAY_WITH_DECL(wxGridCellWithAttr, wxGridCellWithAttrArray,
+                              class WXDLLIMPEXP_ADV);
 
 #include "wx/arrimpl.cpp"
 
@@ -106,6 +107,7 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_LEFT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_RIGHT_DCLICK)
+DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_BEGIN_DRAG)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_CLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
@@ -123,7 +125,7 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 // private classes
 // ----------------------------------------------------------------------------
 
-class WXDLLEXPORT wxGridRowLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxWindow
 {
 public:
     wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
@@ -138,13 +140,15 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxGridRowLabelWindow)
 };
 
 
-class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
 {
 public:
     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
@@ -159,13 +163,15 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxGridColLabelWindow)
 };
 
 
-class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
 {
 public:
     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
@@ -179,13 +185,15 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
     void OnPaint( wxPaintEvent& event );
 
     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 };
 
-class WXDLLEXPORT wxGridWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
 {
 public:
     wxGridWindow()
@@ -199,10 +207,12 @@ public:
                   wxGridRowLabelWindow *rowLblWin,
                   wxGridColLabelWindow *colLblWin,
                   wxWindowID id, const wxPoint &pos, const wxSize &size );
-    ~wxGridWindow();
+    ~wxGridWindow() {}
 
     void ScrollWindow( int dx, int dy, const wxRect *rect );
 
+    wxGrid* GetOwner() { return m_owner; }
+
 private:
     wxGrid                   *m_owner;
     wxGridRowLabelWindow     *m_rowLabelWin;
@@ -213,38 +223,50 @@ private:
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
     void OnEraseBackground( wxEraseEvent& );
-
+    void OnFocus( wxFocusEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridWindow)
     DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxGridWindow)
 };
 
 
-
 class wxGridCellEditorEvtHandler : public wxEvtHandler
 {
 public:
-    wxGridCellEditorEvtHandler()
-        : m_grid(0), m_editor(0)
-        { }
     wxGridCellEditorEvtHandler(wxGrid* grid, wxGridCellEditor* editor)
-        : m_grid(grid), m_editor(editor)
-        { }
+        : m_grid(grid),
+          m_editor(editor),
+          m_inSetFocus(false)
+    {
+    }
 
+    void OnKillFocus(wxFocusEvent& event);
     void OnKeyDown(wxKeyEvent& event);
     void OnChar(wxKeyEvent& event);
 
+    void SetInSetFocus(bool inSetFocus) { m_inSetFocus = inSetFocus; }
+
 private:
     wxGrid*             m_grid;
     wxGridCellEditor*   m_editor;
-    DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
+
+    // Work around the fact that a focus kill event can be sent to
+    // a combobox within a set focus event.
+    bool                m_inSetFocus;
+
     DECLARE_EVENT_TABLE()
+    DECLARE_DYNAMIC_CLASS(wxGridCellEditorEvtHandler)
+    DECLARE_NO_COPY_CLASS(wxGridCellEditorEvtHandler)
 };
 
 
-IMPLEMENT_DYNAMIC_CLASS( wxGridCellEditorEvtHandler, wxEvtHandler )
+IMPLEMENT_ABSTRACT_CLASS(wxGridCellEditorEvtHandler, wxEvtHandler)
+
 BEGIN_EVENT_TABLE( wxGridCellEditorEvtHandler, wxEvtHandler )
+    EVT_KILL_FOCUS( wxGridCellEditorEvtHandler::OnKillFocus )
     EVT_KEY_DOWN( wxGridCellEditorEvtHandler::OnKeyDown )
     EVT_CHAR( wxGridCellEditorEvtHandler::OnChar )
 END_EVENT_TABLE()
@@ -256,7 +278,7 @@ END_EVENT_TABLE()
 // ----------------------------------------------------------------------------
 
 // this class stores attributes set for cells
-class WXDLLEXPORT wxGridCellAttrData
+class WXDLLIMPEXP_ADV wxGridCellAttrData
 {
 public:
     void SetAttr(wxGridCellAttr *attr, int row, int col);
@@ -272,7 +294,7 @@ private:
 };
 
 // this class stores attributes set for rows or columns
-class WXDLLEXPORT wxGridRowOrColAttrData
+class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
 {
 public:
     // empty ctor to suppress warnings
@@ -290,7 +312,7 @@ private:
 
 // NB: this is just a wrapper around 3 objects: one which stores cell
 //     attributes, and 2 others for row/col ones
-class WXDLLEXPORT wxGridCellAttrProviderData
+class WXDLLIMPEXP_ADV wxGridCellAttrProviderData
 {
 public:
     wxGridCellAttrData m_cellAttrs;
@@ -320,13 +342,16 @@ struct wxGridDataTypeInfo
     wxString            m_typeName;
     wxGridCellRenderer* m_renderer;
     wxGridCellEditor*   m_editor;
+
+    DECLARE_NO_COPY_CLASS(wxGridDataTypeInfo)
 };
 
 
-WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridDataTypeInfo*, wxGridDataTypeInfoArray,
+                                 class WXDLLIMPEXP_ADV);
 
 
-class WXDLLEXPORT wxGridTypeRegistry
+class WXDLLIMPEXP_ADV wxGridTypeRegistry
 {
 public:
   wxGridTypeRegistry() {}
@@ -399,6 +424,7 @@ static const size_t GRID_SCROLL_LINE_Y = GRID_SCROLL_LINE_X;
 // in these hash tables is the number of rows/columns)
 static const int GRID_HASH_SIZE = 100;
 
+#if 0
 // ----------------------------------------------------------------------------
 // private functions
 // ----------------------------------------------------------------------------
@@ -412,6 +438,7 @@ static inline int GetScrollY(int y)
 {
     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 }
+#endif
 
 // ============================================================================
 // implementation
@@ -424,6 +451,7 @@ static inline int GetScrollY(int y)
 wxGridCellEditor::wxGridCellEditor()
 {
     m_control = NULL;
+    m_attr = NULL;
 }
 
 
@@ -445,6 +473,10 @@ void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
 {
     // erase the background because we might not fill the cell
     wxClientDC dc(m_control->GetParent());
+    wxGridWindow* gridWindow = wxDynamicCast(m_control->GetParent(), wxGridWindow);
+    if (gridWindow)
+        gridWindow->GetOwner()->PrepareDC(dc);
+
     dc.SetPen(*wxTRANSPARENT_PEN);
     dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
     dc.DrawRectangle(rectCell);
@@ -457,7 +489,7 @@ void wxGridCellEditor::Destroy()
 {
     if (m_control)
     {
-        m_control->PopEventHandler(TRUE /* delete it*/);
+        m_control->PopEventHandler(true /* delete it*/);
 
         m_control->Destroy();
         m_control = NULL;
@@ -481,9 +513,11 @@ void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
             m_colBgOld = m_control->GetBackgroundColour();
             m_control->SetBackgroundColour(attr->GetBackgroundColour());
 
+// Workaround for GTK+1 font setting problem on some platforms
+#if !defined(__WXGTK__) || defined(__WXGTK20__)
             m_fontOld = m_control->GetFont();
             m_control->SetFont(attr->GetFont());
-
+#endif
             // can't do anything more in the base class version, the other
             // attributes may only be used by the derived classes
         }
@@ -502,12 +536,14 @@ void wxGridCellEditor::Show(bool show, wxGridCellAttr *attr)
             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
     }
 }
 
@@ -525,8 +561,40 @@ void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
 
 bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
 {
-    // accept the simple key presses, not anything with Ctrl/Alt/Meta
-    return !(event.ControlDown() || event.AltDown());
+    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;
+
+#if wxUSE_UNICODE
+    int key = event.GetUnicodeKey();
+    bool keyOk = true;
+
+    // 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.
+    if (key <= 127)
+    {
+        key = event.GetKeyCode();
+        keyOk = (key <= 127);
+    }
+    return keyOk;
+#else // !wxUSE_UNICODE
+    int key = event.GetKeyCode();
+    if (key <= 255)
+        return true;
+    return false;
+#endif // wxUSE_UNICODE/!wxUSE_UNICODE
 }
 
 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
@@ -556,12 +624,15 @@ void wxGridCellTextEditor::Create(wxWindow* parent,
     m_control = new wxTextCtrl(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize
 #if defined(__WXMSW__)
-                               , wxTE_PROCESS_TAB | wxTE_MULTILINE |
-                                 wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL
+                               , wxTE_PROCESS_TAB | wxTE_AUTO_SCROLL
 #endif
                               );
 
-    // TODO: use m_maxChars
+    // set max length allowed in the textctrl, if the parameter was set
+    if (m_maxChars != 0)
+    {
+        ((wxTextCtrl*)m_control)->SetMaxLength(m_maxChars);
+    }
 
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
@@ -629,6 +700,7 @@ void wxGridCellTextEditor::DoBeginEdit(const wxString& startValue)
 {
     Text()->SetValue(startValue);
     Text()->SetInsertionPointEnd();
+    Text()->SetSelection(-1,-1);
     Text()->SetFocus();
 }
 
@@ -638,16 +710,17 @@ bool wxGridCellTextEditor::EndEdit(int row, int col,
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
-    bool changed = FALSE;
+    bool changed = false;
     wxString value = Text()->GetValue();
     if (value != m_startValue)
-        changed = TRUE;
+        changed = true;
 
     if (changed)
         grid->GetTable()->SetValue(row, col, value);
 
     m_startValue = wxEmptyString;
-    Text()->SetValue(m_startValue);
+    // No point in setting the text of the hidden control
+    //Text()->SetValue(m_startValue);
 
     return changed;
 }
@@ -669,48 +742,46 @@ void wxGridCellTextEditor::DoReset(const wxString& startValue)
 
 bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
 {
-    if ( wxGridCellEditor::IsAcceptedKey(event) )
-    {
-        int keycode = event.GetKeyCode();
-        switch ( keycode )
-        {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_MULTIPLY:
-            case WXK_NUMPAD_MULTIPLY:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_DECIMAL:
-            case WXK_NUMPAD_DECIMAL:
-            case WXK_DIVIDE:
-            case WXK_NUMPAD_DIVIDE:
-                return TRUE;
-
-            default:
-                // accept 8 bit chars too if isprint() agrees
-                if ( (keycode < 255) && (isprint(keycode)) )
-                    return TRUE;
-        }
-    }
-
-    return FALSE;
+    return wxGridCellEditor::IsAcceptedKey(event);
 }
 
 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 {
-    if ( !Text()->EmulateKeyPress(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)
     {
-        event.Skip();
+        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;
     }
 }
 
@@ -721,7 +792,7 @@ void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
     // wxMotif needs a little extra help...
     size_t pos = (size_t)( Text()->GetInsertionPoint() );
     wxString s( Text()->GetValue() );
-    s = s.Left(pos) + "\n" + s.Mid(pos);
+    s = s.Left(pos) + wxT("\n") + s.Mid(pos);
     Text()->SetValue(s);
     Text()->SetInsertionPoint( pos );
 #else
@@ -752,6 +823,12 @@ void wxGridCellTextEditor::SetParameters(const wxString& params)
     }
 }
 
+// return the value in the text control
+wxString wxGridCellTextEditor::GetValue() const
+{
+  return Text()->GetValue();
+}
+
 // ----------------------------------------------------------------------------
 // wxGridCellNumberEditor
 // ----------------------------------------------------------------------------
@@ -766,10 +843,11 @@ void wxGridCellNumberEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         // create a spin ctrl
-        m_control = new wxSpinCtrl(parent, -1, wxEmptyString,
+        m_control = new wxSpinCtrl(parent, wxID_ANY, wxEmptyString,
                                    wxDefaultPosition, wxDefaultSize,
                                    wxSP_ARROW_KEYS,
                                    m_min, m_max);
@@ -777,6 +855,7 @@ void wxGridCellNumberEditor::Create(wxWindow* parent,
         wxGridCellEditor::Create(parent, id, evtHandler);
     }
     else
+#endif
     {
         // just a text control
         wxGridCellTextEditor::Create(parent, id, evtHandler);
@@ -797,20 +876,23 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
     }
     else
     {
+        m_valueOld = 0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToLong(&m_valueOld))
+        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());
     }
@@ -820,16 +902,22 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
                                      wxGrid* grid)
 {
     bool changed;
-    long value;
+    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
     {
-        changed = Text()->GetValue().ToLong(&value) && (value != m_valueOld);
+        text = Text()->GetValue();
+        changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
     }
 
     if ( changed )
@@ -837,7 +925,7 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
             grid->GetTable()->SetValueAsLong(row, col, value);
         else
-            grid->GetTable()->SetValue(row, col, wxString::Format(wxT("%ld"), value));
+            grid->GetTable()->SetValue(row, col, text);
     }
 
     return changed;
@@ -845,11 +933,13 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
 
 void wxGridCellNumberEditor::Reset()
 {
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         Spin()->SetValue((int)m_valueOld);
     }
     else
+#endif
     {
         DoReset(GetString());
     }
@@ -860,41 +950,22 @@ bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {
         int keycode = event.GetKeyCode();
-        switch ( keycode )
+        if ( (keycode < 128) &&
+             (wxIsdigit(keycode) || keycode == '+' || keycode == '-'))
         {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_UP:
-            case WXK_DOWN:
-                return TRUE;
-
-            default:
-                if ( (keycode < 128) && isdigit(keycode) )
-                    return TRUE;
+            return true;
         }
     }
 
-    return FALSE;
+    return false;
 }
 
 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 {
+    int keycode = event.GetKeyCode();
     if ( !HasRange() )
     {
-        int keycode = (int) event.KeyCode();
-        if ( isdigit(keycode) || keycode == '+' || keycode == '-' )
+        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
         {
             wxGridCellTextEditor::StartingKey(event);
 
@@ -902,7 +973,18 @@ void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
             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();
 }
 
@@ -934,6 +1016,26 @@ void wxGridCellNumberEditor::SetParameters(const wxString& params)
     }
 }
 
+// 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
 // ----------------------------------------------------------------------------
@@ -965,8 +1067,9 @@ void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
     }
     else
     {
+        m_valueOld = 0.0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToDouble(&m_valueOld))
+        if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
         {
             wxFAIL_MSG( _T("this cell doesn't have float value") );
             return;
@@ -979,20 +1082,20 @@ void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
 bool wxGridCellFloatEditor::EndEdit(int row, int col,
                                      wxGrid* grid)
 {
-    double value;
-    if ( Text()->GetValue().ToDouble(&value) && (value != m_valueOld) )
+    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, wxString::Format(wxT("%f"), value));
+            grid->GetTable()->SetValue(row, col, text);
 
-        return TRUE;
-    }
-    else
-    {
-        return FALSE;
+        return true;
     }
+    return false;
 }
 
 void wxGridCellFloatEditor::Reset()
@@ -1002,9 +1105,19 @@ void wxGridCellFloatEditor::Reset()
 
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
-    int keycode = (int)event.KeyCode();
-    if ( isdigit(keycode) ||
-         keycode == '+' || keycode == '-' || keycode == '.' )
+    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);
 
@@ -1069,35 +1182,26 @@ bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {
         int keycode = event.GetKeyCode();
-        switch ( keycode )
-        {
-            case WXK_NUMPAD0:
-            case WXK_NUMPAD1:
-            case WXK_NUMPAD2:
-            case WXK_NUMPAD3:
-            case WXK_NUMPAD4:
-            case WXK_NUMPAD5:
-            case WXK_NUMPAD6:
-            case WXK_NUMPAD7:
-            case WXK_NUMPAD8:
-            case WXK_NUMPAD9:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
-            case WXK_DECIMAL:
-            case WXK_NUMPAD_DECIMAL:
-                return TRUE;
-
-            default:
-                // additionally accept 'e' as in '1e+6'
-                if ( (keycode < 128) &&
-                     (isdigit(keycode) || tolower(keycode) == 'e') )
-                    return TRUE;
-        }
+        printf("%d\n", keycode);
+        // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
+        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 ( (keycode < 128) &&
+             (wxIsdigit(keycode) || tolower(keycode) == 'e' ||
+              is_decimal_point || keycode == '+' || keycode == '-') )
+            return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 #endif // wxUSE_TEXTCTRL
@@ -1121,7 +1225,7 @@ void wxGridCellBoolEditor::Create(wxWindow* parent,
 
 void wxGridCellBoolEditor::SetSize(const wxRect& r)
 {
-    bool resize = FALSE;
+    bool resize = false;
     wxSize size = m_control->GetSize();
     wxCoord minSize = wxMin(r.width, r.height);
 
@@ -1132,7 +1236,7 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
         // reset to default size if it had been made smaller
         size = sizeBest;
 
-        resize = TRUE;
+        resize = true;
     }
 
     if ( size.x >= minSize || size.y >= minSize )
@@ -1140,7 +1244,7 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
         // leave 1 pixel margin
         size.x = size.y = minSize - 2;
 
-        resize = TRUE;
+        resize = true;
     }
 
     if ( resize )
@@ -1160,7 +1264,32 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
     size.y -= 2;
 #endif
 
-    m_control->Move(r.x + r.width/2 - size.x/2, r.y + r.height/2 - size.y/2);
+    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)
@@ -1184,7 +1313,7 @@ void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
     else
     {
         wxString cellval( grid->GetTable()->GetValue(row, col) );
-        m_startValue = !( !cellval || (cellval == "0") );
+        m_startValue = !( !cellval || (cellval == wxT("0")) );
     }
     CBox()->SetValue(m_startValue);
     CBox()->SetFocus();
@@ -1196,10 +1325,10 @@ bool wxGridCellBoolEditor::EndEdit(int row, int col,
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
-    bool changed = FALSE;
+    bool changed = false;
     bool value = CBox()->GetValue();
     if ( value != m_startValue )
-        changed = TRUE;
+        changed = true;
 
     if ( changed )
     {
@@ -1232,20 +1361,41 @@ bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
         int keycode = event.GetKeyCode();
         switch ( keycode )
         {
-            case WXK_MULTIPLY:
-            case WXK_NUMPAD_MULTIPLY:
-            case WXK_ADD:
-            case WXK_NUMPAD_ADD:
-            case WXK_SUBTRACT:
-            case WXK_NUMPAD_SUBTRACT:
             case WXK_SPACE:
             case '+':
             case '-':
-                return TRUE;
+                return true;
         }
     }
 
-    return FALSE;
+    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;
+    }
+}
+
+
+// return the value as "1" for true and the empty string for false
+wxString wxGridCellBoolEditor::GetValue() const
+{
+  bool bSet = CBox()->GetValue();
+  return bSet ? _T("1") : wxEmptyString;
 }
 
 #endif // wxUSE_CHECKBOX
@@ -1256,6 +1406,11 @@ bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 
+wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
+                                               bool allowOthers)
+    : m_choices(choices),
+      m_allowOthers(allowOthers) { }
+
 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
                                                const wxString choices[],
                                                bool allowOthers)
@@ -1284,20 +1439,11 @@ void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
-    size_t count = m_choices.GetCount();
-    wxString *choices = new wxString[count];
-    for ( size_t n = 0; n < count; n++ )
-    {
-        choices[n] = m_choices[n];
-    }
-
     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
-                               count, choices,
+                               m_choices,
                                m_allowOthers ? 0 : wxCB_READONLY);
 
-    delete [] choices;
-
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
@@ -1318,35 +1464,43 @@ 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);
 
-    Combo()->SetValue(m_startValue);
-    size_t count = m_choices.GetCount();
-    for (size_t i=0; i<count; i++)
+    if (m_allowOthers)
+        Combo()->SetValue(m_startValue);
+    else
     {
-        if (m_startValue == m_choices[i])
-        {
-            Combo()->SetSelection(i);
-            break;
-        }
+        // 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()->SetInsertionPointEnd();
     Combo()->SetFocus();
+
+    if (evtHandler)
+        evtHandler->SetInSetFocus(false);
 }
 
 bool wxGridCellChoiceEditor::EndEdit(int row, int col,
                                      wxGrid* grid)
 {
     wxString value = Combo()->GetValue();
-    bool changed = value != m_startValue;
-
-    if ( changed )
-        grid->GetTable()->SetValue(row, col, value);
+    if ( value == m_startValue )
+        return false;
 
-    m_startValue = wxEmptyString;
-    Combo()->SetValue(m_startValue);
+    grid->GetTable()->SetValue(row, col, value);
 
-    return changed;
+    return true;
 }
 
 void wxGridCellChoiceEditor::Reset()
@@ -1372,15 +1526,33 @@ void wxGridCellChoiceEditor::SetParameters(const wxString& params)
     }
 }
 
+// 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.KeyCode() )
+    switch ( event.GetKeyCode() )
     {
         case WXK_ESCAPE:
             m_editor->Reset();
@@ -1397,7 +1569,6 @@ void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
                 m_editor->HandleReturn(event);
             break;
 
-
         default:
             event.Skip();
     }
@@ -1405,7 +1576,7 @@ void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
 
 void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
 {
-    switch ( event.KeyCode() )
+    switch ( event.GetKeyCode() )
     {
         case WXK_ESCAPE:
         case WXK_TAB:
@@ -1449,13 +1620,21 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
 {
     dc.SetBackgroundMode( wxSOLID );
 
-    if ( isSelected )
+    // grey out fields if the grid is disabled
+    if ( grid.IsEnabled() )
     {
-        dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+        if ( isSelected )
+        {
+            dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+        }
+        else
+        {
+            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+        }
     }
     else
     {
-        dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
     }
 
     dc.SetPen( *wxTRANSPARENT_PEN );
@@ -1466,8 +1645,8 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------
 
-void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
-                                                     wxGridCellAttr& attr,
+void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
+                                                     const wxGridCellAttr& attr,
                                                      wxDC& dc,
                                                      bool isSelected)
 {
@@ -1475,21 +1654,30 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
 
     // TODO some special colours for attr.IsReadOnly() case?
 
-    if ( isSelected )
+    // different coloured text when the grid is disabled
+    if ( grid.IsEnabled() )
     {
-        dc.SetTextBackground( grid.GetSelectionBackground() );
-        dc.SetTextForeground( grid.GetSelectionForeground() );
+      if ( isSelected )
+      {
+          dc.SetTextBackground( grid.GetSelectionBackground() );
+          dc.SetTextForeground( grid.GetSelectionForeground() );
+      }
+      else
+      {
+          dc.SetTextBackground( attr.GetBackgroundColour() );
+          dc.SetTextForeground( attr.GetTextColour() );
+      }
     }
     else
     {
-        dc.SetTextBackground( attr.GetBackgroundColour() );
-        dc.SetTextForeground( attr.GetTextColour() );
+      dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+      dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
     }
 
     dc.SetFont( attr.GetFont() );
 }
 
-wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
+wxSize wxGridCellStringRenderer::DoGetBestSize(const wxGridCellAttr& attr,
                                                wxDC& dc,
                                                const wxString& text)
 {
@@ -1522,16 +1710,87 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
                                     int row, int col,
                                     bool isSelected)
 {
-    wxGridCellRenderer::Draw(grid, attr, dc, rectCell, row, col, isSelected);
+    wxRect rect = rectCell;
+    rect.Inflate(-1);
 
-    // now we only have to draw the text
-    SetTextColoursAndFont(grid, attr, dc, isSelected);
+    // 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);
 
-    wxRect rect = rectCell;
-    rect.Inflate(-1);
+    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);
@@ -1541,7 +1800,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
 // wxGridCellNumberRenderer
 // ----------------------------------------------------------------------------
 
-wxString wxGridCellNumberRenderer::GetString(wxGrid& grid, int row, int col)
+wxString wxGridCellNumberRenderer::GetString(const wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
     wxString text;
@@ -1607,7 +1866,7 @@ wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
     return renderer;
 }
 
-wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
+wxString wxGridCellFloatRenderer::GetString(const wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
 
@@ -1617,7 +1876,7 @@ wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
     {
         val = table->GetValueAsDouble(row, col);
-        hasDouble = TRUE;
+        hasDouble = true;
     }
     else
     {
@@ -1633,9 +1892,9 @@ wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
             {
                 if ( m_precision == -1 )
                 {
-                // default width/precision
-                m_format = _T("%f");
-            }
+                    // default width/precision
+                    m_format = _T("%f");
+                }
                 else
                 {
                     m_format.Printf(_T("%%.%df"), m_precision);
@@ -1701,7 +1960,7 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
     else
     {
         wxString tmp = params.BeforeFirst(_T(','));
-        if ( !!tmp )
+        if ( !tmp.empty() )
         {
             long width;
             if ( tmp.ToLong(&width) )
@@ -1712,21 +1971,19 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
             {
                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer width parameter string '%s ignored"), params.c_str());
             }
-
         }
-                tmp = params.AfterFirst(_T(','));
-                if ( !!tmp )
-                {
-                    long precision;
+        tmp = params.AfterFirst(_T(','));
+        if ( !tmp.empty() )
+        {
+            long precision;
             if ( tmp.ToLong(&precision) )
-                    {
+            {
                 SetPrecision((int)precision);
-                    }
-                    else
-                    {
+            }
+            else
+            {
                 wxLogDebug(_T("Invalid wxGridCellFloatRenderer precision parameter string '%s ignored"), params.c_str());
-        }
-
+            }
         }
     }
 }
@@ -1753,10 +2010,9 @@ wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
     if ( !ms_sizeCheckMark.x )
     {
         // get checkbox size
-        wxCoord checkSize = 0;
-        wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
+        wxCheckBox *checkbox = new wxCheckBox(&grid, wxID_ANY, wxEmptyString);
         wxSize size = checkbox->GetBestSize();
-        checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
+        wxCoord checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
 #if defined(__WXGTK__) || defined(__WXMOTIF__)
@@ -1792,11 +2048,31 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
     }
 
     // draw a border around checkmark
+    int vAlign, hAlign;
+    attr.GetAlignment(& hAlign, &vAlign);
+
     wxRect rectBorder;
-    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;
+    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) )
@@ -1804,7 +2080,7 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
     else
     {
         wxString cellval( grid.GetTable()->GetValue(row, col) );
-        value = !( !cellval || (cellval == "0") );
+        value = !( !cellval || (cellval == wxT("0")) );
     }
 
     if ( value )
@@ -1843,6 +2119,9 @@ void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
 
     m_attrkind = wxGridCellAttr::Cell;
 
+    m_sizeRows = m_sizeCols = 1;
+    m_overflow = UnsetOverflow;
+
     SetDefAttr(attrDefault);
 }
 
@@ -1859,6 +2138,8 @@ wxGridCellAttr *wxGridCellAttr::Clone() const
     if ( HasAlignment() )
         attr->SetAlignment(m_hAlign, m_vAlign);
 
+    attr->SetSize( m_sizeRows, m_sizeCols );
+
     if ( m_renderer )
     {
         attr->SetRenderer(m_renderer);
@@ -1886,11 +2167,14 @@ void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
         SetBackgroundColour(mergefrom->GetBackgroundColour());
     if ( !HasFont() && mergefrom->HasFont() )
         SetFont(mergefrom->GetFont());
-    if ( !!HasAlignment() && mergefrom->HasAlignment() ){
+    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
@@ -1909,9 +2193,33 @@ void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
     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())
@@ -1962,8 +2270,10 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
 {
     if (HasAlignment())
     {
-        if ( hAlign ) *hAlign = m_hAlign;
-        if ( vAlign ) *vAlign = m_vAlign;
+        if ( hAlign )
+            *hAlign = m_hAlign;
+        if ( vAlign )
+            *vAlign = m_vAlign;
     }
     else if (m_defGridAttr && m_defGridAttr != this)
         m_defGridAttr->GetAlignment(hAlign, vAlign);
@@ -1973,6 +2283,13 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
     }
 }
 
+void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
+{
+    if ( num_rows )
+        *num_rows = m_sizeRows;
+    if ( num_cols )
+        *num_cols = m_sizeCols;
+}
 
 // GetRenderer and GetEditor use a slightly different decision path about
 // which attribute to use.  If a non-default attr object has one then it is
@@ -2145,8 +2462,11 @@ void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
                 else
                 {
                     // ...or remove the attribute
-                    m_attrs.RemoveAt((size_t)n);
-                    n--; count--;
+                    // No need to DecRef the attribute itself since this is
+                    // done be wxGridCellWithAttr's destructor!
+                    m_attrs.RemoveAt(n);
+                    n--;
+                    count--;
                 }
             }
         }
@@ -2178,7 +2498,9 @@ void wxGridCellAttrData::UpdateAttrCols( size_t pos, int numCols )
                 else
                 {
                     // ...or remove the attribute
-                    m_attrs.RemoveAt((size_t)n);
+                    // No need to DecRef the attribute itself since this is
+                    // done be wxGridCellWithAttr's destructor!
+                    m_attrs.RemoveAt(n);
                     n--; count--;
                 }
             }
@@ -2276,9 +2598,11 @@ void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols
                     rowOrCol += numRowsOrCols;
                 else
                 {
-                    m_rowsOrCols.RemoveAt((size_t)n);
-                    m_attrs.RemoveAt((size_t)n);
-                    n--; count--;
+                    m_rowsOrCols.RemoveAt(n);
+                    m_attrs[n]->DecRef();
+                    m_attrs.RemoveAt(n);
+                    n--;
+                    count--;
                 }
             }
         }
@@ -2316,33 +2640,33 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
                 //Get cached merge attributes.
                 // Currenlty not used as no cache implemented as not mutiable
                 // attr = m_data->m_mergeAttr.GetAttr(row, col);
-                if(!attr)
+                if (!attr)
                 {
-                    //Basicaly implement old version.
+                    //Basically implement old version.
                     //Also check merge cache, so we don't have to re-merge every time..
-                    wxGridCellAttr *attrcell = (wxGridCellAttr *)NULL,
-                                   *attrrow = (wxGridCellAttr *)NULL,
-                                   *attrcol = (wxGridCellAttr *)NULL;
+                    wxGridCellAttr *attrcell = m_data->m_cellAttrs.GetAttr(row, col);
+                    wxGridCellAttr *attrrow = m_data->m_rowAttrs.GetAttr(row);
+                    wxGridCellAttr *attrcol = m_data->m_colAttrs.GetAttr(col);
 
-                    attrcell = m_data->m_cellAttrs.GetAttr(row, col);
-                    attrcol = m_data->m_colAttrs.GetAttr(col);
-                    attrrow = m_data->m_rowAttrs.GetAttr(row);
-
-                    if((attrcell != attrrow) && (attrrow !=attrcol) && (attrcell != attrcol)){
-                        // Two or move are non NULL
+                    if ((attrcell != attrrow) && (attrrow != attrcol) && (attrcell != attrcol))
+                    {
+                        // Two or more are non NULL
                         attr = new wxGridCellAttr;
                         attr->SetKind(wxGridCellAttr::Merged);
 
                         //Order important..
-                        if(attrcell){
+                        if (attrcell)
+                        {
                             attr->MergeWith(attrcell);
                             attrcell->DecRef();
                         }
-                        if(attrcol){
+                        if (attrcol)
+                        {
                             attr->MergeWith(attrcol);
                             attrcol->DecRef();
                         }
-                        if(attrrow){
+                        if (attrrow)
+                        {
                             attr->MergeWith(attrrow);
                             attrrow->DecRef();
                         }
@@ -2351,23 +2675,38 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
                         //m_data->m_mergeAttr.SetAttr(attr, row, col);
                     }
                     else
-        {
+                    {
                         // one or none is non null return it or null.
-                        if(attrrow) attr = attrrow;
-                        if(attrcol) attr = attrcol;
-                        if(attrcell) attr = attrcell;
+                        if (attrrow)
+                            attr = attrrow;
+                        if (attrcol)
+                        {
+                            if(attr)
+                                attr->DecRef();
+                            attr = attrcol;
+                        }
+                        if (attrcell)
+                        {
+                            if (attr)
+                                attr->DecRef();
+                            attr = attrcell;
+                        }
                     }
                 }
             break;
+
             case (wxGridCellAttr::Cell):
                 attr = m_data->m_cellAttrs.GetAttr(row, col);
             break;
+
             case (wxGridCellAttr::Col):
-                 attr = m_data->m_colAttrs.GetAttr(col);
+                attr = m_data->m_colAttrs.GetAttr(col);
             break;
+
             case (wxGridCellAttr::Row):
-            attr = m_data->m_rowAttrs.GetAttr(row);
+                attr = m_data->m_rowAttrs.GetAttr(row);
             break;
+
             default:
                 // unused as yet...
                 // (wxGridCellAttr::Default):
@@ -2481,7 +2820,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_STRING,
                              new wxGridCellStringRenderer,
                              new wxGridCellTextEditor);
-        } else
+        }
+        else
 #endif // wxUSE_TEXTCTRL
 #if wxUSE_CHECKBOX
         if ( typeName == wxGRID_VALUE_BOOL )
@@ -2489,7 +2829,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_BOOL,
                              new wxGridCellBoolRenderer,
                              new wxGridCellBoolEditor);
-        } else
+        }
+        else
 #endif // wxUSE_CHECKBOX
 #if wxUSE_TEXTCTRL
         if ( typeName == wxGRID_VALUE_NUMBER )
@@ -2503,7 +2844,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_FLOAT,
                              new wxGridCellFloatRenderer,
                              new wxGridCellFloatEditor);
-        } else
+        }
+        else
 #endif // wxUSE_TEXTCTRL
 #if wxUSE_COMBOBOX
         if ( typeName == wxGRID_VALUE_CHOICE )
@@ -2511,7 +2853,8 @@ int wxGridTypeRegistry::FindDataType(const wxString& typeName)
             RegisterDataType(wxGRID_VALUE_CHOICE,
                              new wxGridCellStringRenderer,
                              new wxGridCellChoiceEditor);
-        } else
+        }
+        else
 #endif // wxUSE_COMBOBOX
         {
             return wxNOT_FOUND;
@@ -2610,7 +2953,7 @@ bool wxGridTableBase::CanHaveAttributes()
         // use the default attr provider by default
         SetAttrProvider(new wxGridCellAttrProvider);
     }
-    return TRUE;
+    return true;
 }
 
 wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAttrKind  kind)
@@ -2621,6 +2964,7 @@ wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAtt
         return (wxGridCellAttr *)NULL;
 }
 
+
 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
 {
     if ( m_attrProvider )
@@ -2671,14 +3015,14 @@ bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )
 {
     wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
@@ -2686,7 +3030,7 @@ bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
@@ -2694,14 +3038,14 @@ bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )
 {
     wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
 bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
@@ -2709,10 +3053,9 @@ bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
 {
     wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));
 
-    return FALSE;
+    return false;
 }
 
-
 wxString wxGridTableBase::GetRowLabelValue( int row )
 {
     wxString s;
@@ -2732,9 +3075,10 @@ wxString wxGridTableBase::GetColLabelValue( int col )
     unsigned int i, n;
     for ( n = 1; ; n++ )
     {
-        s += (_T('A') + (wxChar)( col%26 ));
+        s += (wxChar) (_T('A') + (wxChar)( col%26 ));
         col = col/26 - 1;
-        if ( col < 0 ) break;
+        if ( col < 0 )
+            break;
     }
 
     // reverse the string...
@@ -2747,7 +3091,6 @@ wxString wxGridTableBase::GetColLabelValue( int col )
     return s2;
 }
 
-
 wxString wxGridTableBase::GetTypeName( int WXUNUSED(row), int WXUNUSED(col) )
 {
     return wxGRID_VALUE_STRING;
@@ -2776,7 +3119,7 @@ double wxGridTableBase::GetValueAsDouble( int WXUNUSED(row), int WXUNUSED(col) )
 
 bool wxGridTableBase::GetValueAsBool( int WXUNUSED(row), int WXUNUSED(col) )
 {
-    return FALSE;
+    return false;
 }
 
 void wxGridTableBase::SetValueAsLong( int WXUNUSED(row), int WXUNUSED(col),
@@ -2850,21 +3193,13 @@ wxGridStringTable::wxGridStringTable()
 wxGridStringTable::wxGridStringTable( int numRows, int numCols )
         : wxGridTableBase()
 {
-    int row, col;
-
     m_data.Alloc( numRows );
 
     wxArrayString sa;
     sa.Alloc( numCols );
-    for ( col = 0;  col < numCols;  col++ )
-    {
-        sa.Add( wxEmptyString );
-    }
+    sa.Add( wxEmptyString, numCols );
 
-    for ( row = 0;  row < numRows;  row++ )
-    {
-        m_data.Add( sa );
-    }
+    m_data.Add( sa, numRows );
 }
 
 wxGridStringTable::~wxGridStringTable()
@@ -2886,23 +3221,25 @@ int wxGridStringTable::GetNumberCols()
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {
-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
-                  _T("invalid row or column index in wxGridStringTable") );
+    wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 wxEmptyString,
+                 _T("invalid row or column index in wxGridStringTable") );
 
     return m_data[row][col];
 }
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {
-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
-                  _T("invalid row or column index in wxGridStringTable") );
+    wxCHECK_RET( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 _T("invalid row or column index in wxGridStringTable") );
 
     m_data[row][col] = value;
 }
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {
-    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+    wxCHECK_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                 true,
                   _T("invalid row or column index in wxGridStringTable") );
 
     return (m_data[row][col] == wxEmptyString);
@@ -2931,8 +3268,6 @@ void wxGridStringTable::Clear()
 
 bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
 {
-    size_t row, col;
-
     size_t curNumRows = m_data.GetCount();
     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
                           ( GetView() ? GetView()->GetNumberCols() : 0 ) );
@@ -2944,15 +3279,8 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
 
     wxArrayString sa;
     sa.Alloc( curNumCols );
-    for ( col = 0;  col < curNumCols;  col++ )
-    {
-        sa.Add( wxEmptyString );
-    }
-
-    for ( row = pos;  row < pos + numRows;  row++ )
-    {
-        m_data.Insert( sa, row );
-    }
+    sa.Add( wxEmptyString, curNumCols );
+    m_data.Insert( sa, pos, numRows );
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -2963,31 +3291,24 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendRows( size_t numRows )
 {
-    size_t row, col;
-
     size_t curNumRows = m_data.GetCount();
-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
-                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );
+    size_t curNumCols = ( curNumRows > 0
+                         ? m_data[0].GetCount()
+                         : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
 
     wxArrayString sa;
     if ( curNumCols > 0 )
     {
         sa.Alloc( curNumCols );
-        for ( col = 0;  col < curNumCols;  col++ )
-        {
-            sa.Add( wxEmptyString );
-        }
+        sa.Add( wxEmptyString, curNumCols );
     }
 
-    for ( row = 0;  row < numRows;  row++ )
-    {
-        m_data.Add( sa );
-    }
+    m_data.Add( sa, numRows );
 
     if ( GetView() )
     {
@@ -2998,22 +3319,24 @@ bool wxGridStringTable::AppendRows( size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
 {
-    size_t n;
-
     size_t curNumRows = m_data.GetCount();
 
     if ( pos >= curNumRows )
     {
-        wxString errmsg;
-        errmsg.Printf(wxT("Called wxGridStringTable::DeleteRows(pos=%d, N=%d)\nPos value is invalid for present table with %d rows"),
-                      pos, numRows, curNumRows );
-        wxFAIL_MSG( errmsg );
-        return FALSE;
+        wxFAIL_MSG( wxString::Format
+                    (
+                        wxT("Called wxGridStringTable::DeleteRows(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu rows"),
+                        (unsigned long)pos,
+                        (unsigned long)numRows,
+                        (unsigned long)curNumRows
+                    ) );
+
+        return false;
     }
 
     if ( numRows > curNumRows - pos )
@@ -3023,15 +3346,13 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
 
     if ( numRows >= curNumRows )
     {
-        m_data.Empty();  // don't release memory just yet
+        m_data.Clear();
     }
     else
     {
-        for ( n = 0;  n < numRows;  n++ )
-        {
-            m_data.RemoveAt( pos );
-        }
+        m_data.RemoveAt( pos, numRows );
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3042,7 +3363,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
@@ -3050,8 +3371,9 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();
-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
-                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );
+    size_t curNumCols = ( curNumRows > 0
+                         ? m_data[0].GetCount()
+                         : ( GetView() ? GetView()->GetNumberCols() : 0 ) );
 
     if ( pos >= curNumCols )
     {
@@ -3065,6 +3387,7 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
             m_data[row].Insert( wxEmptyString, col );
         }
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3075,12 +3398,12 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendCols( size_t numCols )
 {
-    size_t row, n;
+    size_t row;
 
     size_t curNumRows = m_data.GetCount();
 #if 0
@@ -3089,16 +3412,13 @@ bool wxGridStringTable::AppendCols( size_t numCols )
         // TODO: something better than this ?
         //
         wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );
-        return FALSE;
+        return false;
     }
 #endif
 
     for ( row = 0;  row < curNumRows;  row++ )
     {
-        for ( n = 0;  n < numCols;  n++ )
-        {
-            m_data[row].Add( wxEmptyString );
-        }
+        m_data[row].Add( wxEmptyString, numCols );
     }
 
     if ( GetView() )
@@ -3110,12 +3430,12 @@ bool wxGridStringTable::AppendCols( size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
 {
-    size_t row, n;
+    size_t row;
 
     size_t curNumRows = m_data.GetCount();
     size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
@@ -3123,11 +3443,14 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
 
     if ( pos >= curNumCols )
     {
-        wxString errmsg;
-        errmsg.Printf( wxT("Called wxGridStringTable::DeleteCols(pos=%d, N=%d)...\nPos value is invalid for present table with %d cols"),
-                        pos, numCols, curNumCols );
-        wxFAIL_MSG( errmsg );
-        return FALSE;
+        wxFAIL_MSG( wxString::Format
+                    (
+                        wxT("Called wxGridStringTable::DeleteCols(pos=%lu, N=%lu)\nPos value is invalid for present table with %lu cols"),
+                        (unsigned long)pos,
+                        (unsigned long)numCols,
+                        (unsigned long)curNumCols
+                    ) );
+        return false;
     }
 
     if ( numCols > curNumCols - pos )
@@ -3143,12 +3466,10 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         }
         else
         {
-            for ( n = 0;  n < numCols;  n++ )
-            {
-                m_data[row].RemoveAt( pos );
-            }
+            m_data[row].RemoveAt( pos, numCols );
         }
     }
+
     if ( GetView() )
     {
         wxGridTableMessage msg( this,
@@ -3159,7 +3480,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 wxString wxGridStringTable::GetRowLabelValue( int row )
@@ -3221,7 +3542,6 @@ void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
 }
 
 
-
 //////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////
 
@@ -3233,12 +3553,13 @@ BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridRowLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3261,19 +3582,16 @@ void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     m_owner->DrawRowLabels( dc , rows );
 }
 
-
 void wxGridRowLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessRowLabelMouseEvent( event );
 }
 
-
 void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
 {
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 
-
 // This seems to be required for wxMotif otherwise the mouse
 // cursor must be in the cell edit control to get key events
 //
@@ -3287,6 +3605,10 @@ void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
 }
 
+void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3299,12 +3621,13 @@ BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridColLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3327,7 +3650,6 @@ void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     m_owner->DrawColLabels( dc , cols );
 }
 
-
 void wxGridColLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessColLabelMouseEvent( event );
@@ -3338,20 +3660,26 @@ void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 
-
 // This seems to be required for wxMotif otherwise the mouse
 // cursor must be in the cell edit control to get key events
 //
 void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
+void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3364,12 +3692,13 @@ BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
     EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
+    EVT_CHAR ( wxGridCornerLabelWindow::OnChar )
 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS|wxBORDER_NONE|wxFULL_REPAINT_ON_RESIZE )
 {
     m_owner = parent;
 }
@@ -3382,22 +3711,33 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     int client_width = 0;
     GetClientSize( &client_width, &client_height );
 
-    dc.SetPen( *wxBLACK_PEN );
+    // VZ: any reason for this ifdef? (FIXME)
+#ifdef __WXGTK__
+    wxRect rect;
+    rect.SetX( 1 );
+    rect.SetY( 1 );
+    rect.SetWidth( client_width - 2 );
+    rect.SetHeight( client_height - 2 );
+
+    wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
+#else // !__WXGTK__
+    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
     dc.DrawLine( client_width-1, client_height-1, client_width-1, 0 );
     dc.DrawLine( client_width-1, client_height-1, 0, client_height-1 );
-
-    dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 0, 0, client_width, 0 );
     dc.DrawLine( 0, 0, 0, client_height );
-}
 
+    dc.SetPen( *wxWHITE_PEN );
+    dc.DrawLine( 1, 1, client_width-1, 1 );
+    dc.DrawLine( 1, 1, 1, client_height-1 );
+#endif // __WXGTK__/!__WXGTK__
+}
 
 void wxGridCornerLabelWindow::OnMouseEvent( wxMouseEvent& event )
 {
     m_owner->ProcessCornerLabelMouseEvent( event );
 }
 
-
 void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
 {
     m_owner->GetEventHandler()->ProcessEvent(event);
@@ -3416,6 +3756,10 @@ void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
 }
 
+void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3428,27 +3772,26 @@ BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
     EVT_KEY_UP( wxGridWindow::OnKeyUp )
+    EVT_CHAR ( wxGridWindow::OnChar )
+    EVT_SET_FOCUS( wxGridWindow::OnFocus )
+    EVT_KILL_FOCUS( wxGridWindow::OnFocus )
     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
 END_EVENT_TABLE()
 
 wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxGridRowLabelWindow *rowLblWin,
                             wxGridColLabelWindow *colLblWin,
-                            wxWindowID id, const wxPoint &pos, const wxSize &size )
-        : wxWindow( parent, id, pos, size, wxWANTS_CHARS, "grid window" )
+                            wxWindowID id,
+                            const wxPoint &pos,
+                            const wxSize &size )
+            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN|wxFULL_REPAINT_ON_RESIZE,
+                        wxT("grid window") )
 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;
     m_colLabelWin = colLblWin;
-    SetBackgroundColour(_T("WHITE"));
-}
-
-
-wxGridWindow::~wxGridWindow()
-{
 }
 
-
 void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
 {
     wxPaintDC dc( this );
@@ -3463,7 +3806,6 @@ void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     m_owner->DrawHighlight( dc , DirtyCells );
 }
 
-
 void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 {
     wxWindow::ScrollWindow( dx, dy, rect );
@@ -3471,9 +3813,11 @@ void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
     m_colLabelWin->ScrollWindow( dx, 0, rect );
 }
 
-
 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
 {
+    if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
+        SetFocus();
+
     m_owner->ProcessGridCellMouseEvent( event );
 }
 
@@ -3487,18 +3831,31 @@ void wxGridWindow::OnMouseWheel( wxMouseEvent& event )
 //
 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridWindow::OnKeyUp( wxKeyEvent& event )
 {
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}
+
+void wxGridWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
 }
 
 void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 {
 }
 
+void wxGridWindow::OnFocus(wxFocusEvent& event)
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
+        event.Skip();
+}
 
 //////////////////////////////////////////////////////////////////////
 
@@ -3510,26 +3867,88 @@ void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 // Internal helper macros for simpler use of that function
 
 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
-                           const wxArrayInt& BorderArray, bool maxOnOverflow);
+                           const wxArrayInt& BorderArray, int nMax,
+                           bool clipToMinMax);
 
 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
-                                          WXGRID_MIN_COL_WIDTH, \
-                                          m_colRights, TRUE)
+                                          m_minAcceptableColWidth, \
+                                          m_colRights, m_numCols, true)
 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
-                                          WXGRID_MIN_ROW_HEIGHT, \
-                                          m_rowBottoms, TRUE)
+                                          m_minAcceptableRowHeight, \
+                                          m_rowBottoms, m_numRows, true)
 /////////////////////////////////////////////////////////////////////
 
+#if wxUSE_EXTENDED_RTTI
+WX_DEFINE_FLAGS( wxGridStyle )
+
+wxBEGIN_FLAGS( wxGridStyle )
+    // new style border flags, we put them first to
+    // use them for streaming out
+    wxFLAGS_MEMBER(wxBORDER_SIMPLE)
+    wxFLAGS_MEMBER(wxBORDER_SUNKEN)
+    wxFLAGS_MEMBER(wxBORDER_DOUBLE)
+    wxFLAGS_MEMBER(wxBORDER_RAISED)
+    wxFLAGS_MEMBER(wxBORDER_STATIC)
+    wxFLAGS_MEMBER(wxBORDER_NONE)
+
+    // old style border flags
+    wxFLAGS_MEMBER(wxSIMPLE_BORDER)
+    wxFLAGS_MEMBER(wxSUNKEN_BORDER)
+    wxFLAGS_MEMBER(wxDOUBLE_BORDER)
+    wxFLAGS_MEMBER(wxRAISED_BORDER)
+    wxFLAGS_MEMBER(wxSTATIC_BORDER)
+    wxFLAGS_MEMBER(wxBORDER)
+
+    // standard window styles
+    wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
+    wxFLAGS_MEMBER(wxCLIP_CHILDREN)
+    wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
+    wxFLAGS_MEMBER(wxWANTS_CHARS)
+    wxFLAGS_MEMBER(wxFULL_REPAINT_ON_RESIZE)
+    wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
+    wxFLAGS_MEMBER(wxVSCROLL)
+    wxFLAGS_MEMBER(wxHSCROLL)
+
+wxEND_FLAGS( wxGridStyle )
+
+IMPLEMENT_DYNAMIC_CLASS_XTI(wxGrid, wxScrolledWindow,"wx/grid.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxGrid)
+    wxHIDE_PROPERTY( Children )
+    wxPROPERTY_FLAGS( WindowStyle , wxGridStyle , long , SetWindowStyleFlag , GetWindowStyleFlag , EMPTY_MACROVALUE, 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // style
+wxEND_PROPERTIES_TABLE()
+
+wxBEGIN_HANDLERS_TABLE(wxGrid)
+wxEND_HANDLERS_TABLE()
+
+wxCONSTRUCTOR_5( wxGrid , wxWindow* , Parent , wxWindowID , Id , wxPoint , Position , wxSize , Size , long , WindowStyle )
+
+/*
+ TODO : Expose more information of a list's layout etc. via appropriate objects (à la NotebookPageInfo)
+*/
+#else
 IMPLEMENT_DYNAMIC_CLASS( wxGrid, wxScrolledWindow )
+#endif
 
 BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_PAINT( wxGrid::OnPaint )
     EVT_SIZE( wxGrid::OnSize )
     EVT_KEY_DOWN( wxGrid::OnKeyDown )
     EVT_KEY_UP( wxGrid::OnKeyUp )
+    EVT_CHAR ( wxGrid::OnChar )
     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 
+wxGrid::wxGrid()
+{
+    // in order to make sure that a size event is not
+    // trigerred in a unfinished state
+    m_cornerLabelWin = NULL ;
+    m_rowLabelWin = NULL ;
+    m_colLabelWin = NULL ;
+    m_gridWin = NULL ;
+}
+
 wxGrid::wxGrid( wxWindow *parent,
                  wxWindowID id,
                  const wxPoint& pos,
@@ -3541,6 +3960,24 @@ wxGrid::wxGrid( wxWindow *parent,
     m_rowMinHeights(GRID_HASH_SIZE)
 {
     Create();
+    SetBestFittingSize(size);
+}
+
+bool wxGrid::Create(wxWindow *parent, wxWindowID id,
+                          const wxPoint& pos, const wxSize& size,
+                          long style, const wxString& name)
+{
+    if (!wxScrolledWindow::Create(parent, id, pos, size,
+                                  style | wxWANTS_CHARS , name))
+        return false;
+
+    m_colMinWidths = wxLongToLongHashMap(GRID_HASH_SIZE) ;
+    m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE) ;
+
+    Create() ;
+    SetBestFittingSize(size);
+
+    return true;
 }
 
 
@@ -3571,14 +4008,22 @@ wxGrid::~wxGrid()
 // ----- internal init and update functions
 //
 
+// NOTE: If using the default visual attributes works everywhere then this can
+// be removed as well as the #else cases below.
+#define _USE_VISATTR 0
+
+#if _USE_VISATTR
+#include "wx/listbox.h"
+#endif
+
 void wxGrid::Create()
 {
-    m_created = FALSE;    // set to TRUE by CreateGrid
+    m_created = false;    // set to true by CreateGrid
 
     m_table        = (wxGridTableBase *) NULL;
-    m_ownTable     = FALSE;
+    m_ownTable     = false;
 
-    m_cellEditCtrlEnabled = FALSE;
+    m_cellEditCtrlEnabled = false;
 
     m_defaultCellAttr = new wxGridCellAttr();
 
@@ -3587,13 +4032,22 @@ void wxGrid::Create()
     m_defaultCellAttr->SetKind(wxGridCellAttr::Default);
     m_defaultCellAttr->SetFont(GetFont());
     m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);
+    m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
+    m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
+
+#if _USE_VISATTR
+    wxVisualAttributes gva = wxListBox::GetClassDefaultAttributes();
+    wxVisualAttributes lva = wxPanel::GetClassDefaultAttributes();
+
+    m_defaultCellAttr->SetTextColour(gva.colFg);
+    m_defaultCellAttr->SetBackgroundColour(gva.colBg);
+
+#else
     m_defaultCellAttr->SetTextColour(
         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT));
     m_defaultCellAttr->SetBackgroundColour(
         wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW));
-    m_defaultCellAttr->SetRenderer(new wxGridCellStringRenderer);
-    m_defaultCellAttr->SetEditor(new wxGridCellTextEditor);
-
+#endif
 
     m_numRows = 0;
     m_numCols = 0;
@@ -3608,29 +4062,50 @@ void wxGrid::Create()
 
     // subwindow components that make up the wxGrid
     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
-                                                    -1,
+                                                    wxID_ANY,
                                                     wxDefaultPosition,
                                                     wxDefaultSize );
 
     m_rowLabelWin = new wxGridRowLabelWindow( this,
-                                              -1,
+                                              wxID_ANY,
                                               wxDefaultPosition,
                                               wxDefaultSize );
 
     m_colLabelWin = new wxGridColLabelWindow( this,
-                                              -1,
+                                              wxID_ANY,
                                               wxDefaultPosition,
                                               wxDefaultSize );
 
     m_gridWin = new wxGridWindow( this,
                                   m_rowLabelWin,
                                   m_colLabelWin,
-                                  -1,
+                                  wxID_ANY,
                                   wxDefaultPosition,
                                   wxDefaultSize );
 
     SetTargetWindow( m_gridWin );
 
+#if _USE_VISATTR
+    wxColour gfg = gva.colFg;
+    wxColour gbg = gva.colBg;
+    wxColour lfg = lva.colFg;
+    wxColour lbg = lva.colBg;
+#else
+    wxColour gfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
+    wxColour gbg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOW );
+    wxColour lfg = wxSystemSettings::GetColour( wxSYS_COLOUR_WINDOWTEXT );
+    wxColour lbg = wxSystemSettings::GetColour( wxSYS_COLOUR_BTNFACE );
+#endif
+    m_cornerLabelWin->SetOwnForegroundColour(lfg);
+    m_cornerLabelWin->SetOwnBackgroundColour(lbg);
+    m_rowLabelWin->SetOwnForegroundColour(lfg);
+    m_rowLabelWin->SetOwnBackgroundColour(lbg);
+    m_colLabelWin->SetOwnForegroundColour(lfg);
+    m_colLabelWin->SetOwnBackgroundColour(lbg);
+
+    m_gridWin->SetOwnForegroundColour(gfg);
+    m_gridWin->SetOwnBackgroundColour(gbg);
+
     Init();
 }
 
@@ -3639,7 +4114,7 @@ bool wxGrid::CreateGrid( int numRows, int numCols,
                          wxGrid::wxGridSelectionModes selmode )
 {
     wxCHECK_MSG( !m_created,
-                 FALSE,
+                 false,
                  wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
 
     m_numRows = numRows;
@@ -3647,12 +4122,12 @@ bool wxGrid::CreateGrid( int numRows, int numCols,
 
     m_table = new wxGridStringTable( m_numRows, m_numCols );
     m_table->SetView( this );
-    m_ownTable = TRUE;
+    m_ownTable = true;
     m_selection = new wxGridSelection( this, selmode );
 
     CalcDimensions();
 
-    m_created = TRUE;
+    m_created = true;
 
     return m_created;
 }
@@ -3665,21 +4140,36 @@ void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
     m_selection->SetSelectionMode( selmode );
 }
 
+wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
+{
+    wxCHECK_MSG( m_created, wxGrid::wxGridSelectCells,
+                 wxT("Called wxGrid::GetSelectionMode() before calling CreateGrid()") );
+
+    return m_selection->GetSelectionMode();
+}
+
 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
                        wxGrid::wxGridSelectionModes selmode )
 {
     if ( m_created )
     {
-        // RD: Actually, this should probably be allowed.  I think it would be
-        //     nice to be able to switch multiple Tables in and out of a single
-        //     View at runtime.  Is there anything in the implementation that
-        //     would prevent this?
+        // stop all processing
+        m_created = false;
+
+        if (m_ownTable)
+        {
+            wxGridTableBase *t=m_table;
+            m_table=0;
+            delete t;
+        }
+        delete m_selection;
 
-        // At least, you now have to cope with m_selection
-        wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
-        return FALSE;
+        m_table=0;
+        m_selection=0;
+        m_numRows=0;
+        m_numCols=0;
     }
-    else
+    if (table)
     {
         m_numRows = table->GetNumberRows();
         m_numCols = table->GetNumberCols();
@@ -3687,12 +4177,12 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
         m_table = table;
         m_table->SetView( this );
         if (takeOwnership)
-            m_ownTable = TRUE;
+            m_ownTable = true;
         m_selection = new wxGridSelection( this, selmode );
 
         CalcDimensions();
 
-        m_created = TRUE;
+        m_created = true;
     }
 
     return m_created;
@@ -3717,44 +4207,51 @@ void wxGrid::Init()
 
     // init attr cache
     m_attrCache.row = -1;
+    m_attrCache.col = -1;
+    m_attrCache.attr = NULL;
 
     // TODO: something better than this ?
     //
     m_labelFont = this->GetFont();
-    m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
+    m_labelFont.SetWeight( wxBOLD );
 
-    m_rowLabelHorizAlign = wxALIGN_LEFT;
+    m_rowLabelHorizAlign = wxALIGN_CENTRE;
     m_rowLabelVertAlign  = wxALIGN_CENTRE;
 
     m_colLabelHorizAlign = wxALIGN_CENTRE;
-    m_colLabelVertAlign  = wxALIGN_TOP;
+    m_colLabelVertAlign  = wxALIGN_CENTRE;
+    m_colLabelTextOrientation = wxHORIZONTAL;
 
     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
     m_defaultRowHeight = m_gridWin->GetCharHeight();
 
+    m_minAcceptableColWidth  = WXGRID_MIN_COL_WIDTH;
+    m_minAcceptableRowHeight = WXGRID_MIN_ROW_HEIGHT;
+
 #if defined(__WXMOTIF__) || defined(__WXGTK__)  // see also text ctrl sizing in ShowCellEditControl()
     m_defaultRowHeight += 8;
 #else
     m_defaultRowHeight += 4;
 #endif
 
-    m_gridLineColour = wxColour( 128, 128, 255 );
-    m_gridLinesEnabled = TRUE;
-    m_cellHighlightColour = m_gridLineColour;
+    m_gridLineColour = wxColour( 192,192,192 );
+    m_gridLinesEnabled = true;
+    m_cellHighlightColour = *wxBLACK;
     m_cellHighlightPenWidth = 2;
     m_cellHighlightROPenWidth = 1;
 
     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
     m_winCapture = (wxWindow *)NULL;
-    m_canDragRowSize = TRUE;
-    m_canDragColSize = TRUE;
-    m_canDragGridSize = TRUE;
+    m_canDragRowSize = true;
+    m_canDragColSize = true;
+    m_canDragGridSize = true;
+    m_canDragCell = false;
     m_dragLastPos  = -1;
     m_dragRowOrCol = -1;
-    m_isDragging = FALSE;
+    m_isDragging = false;
     m_startDragPos = wxDefaultPosition;
 
-    m_waitForSlowClick = FALSE;
+    m_waitForSlowClick = false;
 
     m_rowResizeCursor = wxCursor( wxCURSOR_SIZENS );
     m_colResizeCursor = wxCursor( wxCURSOR_SIZEWE );
@@ -3766,13 +4263,16 @@ void wxGrid::Init()
     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
-    m_editable = TRUE;  // default for whole grid
+    m_editable = true;  // default for whole grid
 
-    m_inOnKeyDown = FALSE;
+    m_inOnKeyDown = false;
     m_batchCount = 0;
 
     m_extraWidth =
     m_extraHeight = 0;
+
+    m_scrollLineX = GRID_SCROLL_LINE_X;
+    m_scrollLineY = GRID_SCROLL_LINE_Y;
 }
 
 // ----------------------------------------------------------------------------
@@ -3794,9 +4294,11 @@ void wxGrid::InitRowHeights()
     m_rowBottoms.Alloc( m_numRows );
 
     int rowBottom = 0;
+
+    m_rowHeights.Add( m_defaultRowHeight, m_numRows );
+
     for ( int i = 0;  i < m_numRows;  i++ )
     {
-        m_rowHeights.Add( m_defaultRowHeight );
         rowBottom += m_defaultRowHeight;
         m_rowBottoms.Add( rowBottom );
     }
@@ -3810,9 +4312,11 @@ void wxGrid::InitColWidths()
     m_colWidths.Alloc( m_numCols );
     m_colRights.Alloc( m_numCols );
     int colRight = 0;
+
+    m_colWidths.Add( m_defaultColWidth, m_numCols );
+
     for ( int i = 0;  i < m_numCols;  i++ )
     {
-        m_colWidths.Add( m_defaultColWidth );
         colRight += m_defaultColWidth;
         m_colRights.Add( colRight );
     }
@@ -3866,35 +4370,41 @@ void wxGrid::CalcDimensions()
     int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
     int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
 
+    // take into account editor if shown
+    if ( IsCellEditControlShown() )
+    {
+      int w2, h2;
+      int r = m_currentCellCoords.GetRow();
+      int c = m_currentCellCoords.GetCol();
+      int x = GetColLeft(c);
+      int y = GetRowTop(r);
+
+      // how big is the editor
+      wxGridCellAttr* attr = GetCellAttr(r, c);
+      wxGridCellEditor* editor = attr->GetEditor(this, r, c);
+      editor->GetControl()->GetSize(&w2, &h2);
+      w2 += x;
+      h2 += y;
+      if ( w2 > w )
+          w = w2;
+      if ( h2 > h )
+          h = h2;
+      editor->DecRef();
+      attr->DecRef();
+    }
+
     // preserve (more or less) the previous position
     int x, y;
     GetViewStart( &x, &y );
 
-    // maybe we don't need scrollbars at all?
-    //
-    // also adjust the position to be valid for the new scroll rangs
-    if ( w <= cw )
-    {
-        w = x = 0;
-    }
-    else
-    {
-        if ( x >= w )
-            x = w - 1;
-    }
-
-    if ( h <= ch )
-    {
-        h = y = 0;
-    }
-    else
-    {
-        if ( y >= h )
-            y = h - 1;
-    }
+    // ensure the position is valid for the new scroll ranges
+    if ( x >= w )
+        x = wxMax( w - 1, 0 );
+    if ( y >= h )
+        y = wxMax( h - 1, 0 );
 
     // do set scrollbar parameters
-    SetScrollbars( GRID_SCROLL_LINE_X, GRID_SCROLL_LINE_Y,
+    SetScrollbars( m_scrollLineX, m_scrollLineY,
                    GetScrollX(w), GetScrollY(h), x, y,
                    GetBatchCount() != 0);
 
@@ -3906,19 +4416,24 @@ void wxGrid::CalcDimensions()
 
 void wxGrid::CalcWindowSizes()
 {
+    // escape if the window is has not been fully created yet
+
+    if ( m_cornerLabelWin == NULL )
+        return ;
+
     int cw, ch;
     GetClientSize( &cw, &ch );
 
-    if ( m_cornerLabelWin->IsShown() )
+    if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
 
-    if ( m_colLabelWin->IsShown() )
+    if (  m_colLabelWin && m_colLabelWin->IsShown() )
         m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw-m_rowLabelWidth, m_colLabelHeight);
 
-    if ( m_rowLabelWin->IsShown() )
+    if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
         m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch-m_colLabelHeight);
 
-    if ( m_gridWin->IsShown() )
+    if ( m_gridWin && m_gridWin->IsShown() )
         m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw-m_rowLabelWidth, ch-m_colLabelHeight);
 }
 
@@ -3929,8 +4444,17 @@ void wxGrid::CalcWindowSizes()
 bool wxGrid::Redimension( wxGridTableMessage& msg )
 {
     int i;
-    bool result = FALSE;
+    bool result = false;
 
+    // Clear the attribute cache as the attribute might refer to a different
+    // cell than stored in the cache after adding/removing rows/columns.
+    ClearAttrCache();
+    // By the same reasoning, the editor should be dismissed if columns are
+    // added or removed. And for consistency, it should IMHO always be
+    // removed, not only if the cell "underneath" it actually changes.
+    // For now, I intentionally do not save the editor's content as the
+    // cell it might want to save that stuff to might no longer exist.
+    HideCellEditControl();
 #if 0
     // if we were using the default widths/heights so far, we must change them
     // now
@@ -3956,11 +4480,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
             if ( !m_rowHeights.IsEmpty() )
             {
-                for ( i = 0;  i < numRows;  i++ )
-                {
-                    m_rowHeights.Insert( m_defaultRowHeight, pos );
-                    m_rowBottoms.Insert( 0, pos );
-                }
+                m_rowHeights.Insert( m_defaultRowHeight, pos, numRows );
+                m_rowBottoms.Insert( 0, pos, numRows );
 
                 int bottom = 0;
                 if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
@@ -3991,7 +4512,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
@@ -4002,11 +4523,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
             if ( !m_rowHeights.IsEmpty() )
             {
-                for ( i = 0;  i < numRows;  i++ )
-                {
-                    m_rowHeights.Add( m_defaultRowHeight );
-                    m_rowBottoms.Add( 0 );
-                }
+                m_rowHeights.Add( m_defaultRowHeight, numRows );
+                m_rowBottoms.Add( 0, numRows );
 
                 int bottom = 0;
                 if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
@@ -4030,7 +4548,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
@@ -4041,11 +4559,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
             if ( !m_rowHeights.IsEmpty() )
             {
-                for ( i = 0;  i < numRows;  i++ )
-                {
-                    m_rowHeights.RemoveAt( pos );
-                    m_rowBottoms.RemoveAt( pos );
-                }
+                m_rowHeights.RemoveAt( pos, numRows );
+                m_rowBottoms.RemoveAt( pos, numRows );
 
                 int h = 0;
                 for ( i = 0;  i < m_numRows;  i++ )
@@ -4067,7 +4582,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             if ( m_selection )
                 m_selection->UpdateRows( pos, -((int)numRows) );
             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
-            if (attrProvider) {
+            if (attrProvider)
+            {
                 attrProvider->UpdateAttrRows( pos, -((int)numRows) );
 // ifdef'd out following patch from Paul Gammans
 #if 0
@@ -4086,7 +4602,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
@@ -4097,11 +4613,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
             if ( !m_colWidths.IsEmpty() )
             {
-                for ( i = 0;  i < numCols;  i++ )
-                {
-                    m_colWidths.Insert( m_defaultColWidth, pos );
-                    m_colRights.Insert( 0, pos );
-                }
+                m_colWidths.Insert( m_defaultColWidth, pos, numCols );
+                m_colRights.Insert( 0, pos, numCols );
 
                 int right = 0;
                 if ( pos > 0 ) right = m_colRights[pos-1];
@@ -4132,7 +4645,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             }
 
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
@@ -4142,11 +4655,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             m_numCols += numCols;
             if ( !m_colWidths.IsEmpty() )
             {
-                for ( i = 0;  i < numCols;  i++ )
-                {
-                    m_colWidths.Add( m_defaultColWidth );
-                    m_colRights.Add( 0 );
-                }
+                m_colWidths.Add( m_defaultColWidth, numCols );
+                m_colRights.Add( 0, numCols );
 
                 int right = 0;
                 if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
@@ -4170,7 +4680,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
@@ -4181,11 +4691,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
             if ( !m_colWidths.IsEmpty() )
             {
-                for ( i = 0;  i < numCols;  i++ )
-                {
-                    m_colWidths.RemoveAt( pos );
-                    m_colRights.RemoveAt( pos );
-                }
+                m_colWidths.RemoveAt( pos, numCols );
+                m_colRights.RemoveAt( pos, numCols );
 
                 int w = 0;
                 for ( i = 0;  i < m_numCols;  i++ )
@@ -4207,7 +4714,8 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             if ( m_selection )
                 m_selection->UpdateCols( pos, -((int)numCols) );
             wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
-            if (attrProvider) {
+            if (attrProvider)
+            {
                 attrProvider->UpdateAttrCols( pos, -((int)numCols) );
 // ifdef'd out following patch from Paul Gammans
 #if 0
@@ -4226,7 +4734,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
     }
 
@@ -4280,7 +4788,7 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
             rowlabels.Add( row );
         }
 
-        iter++ ;
+        ++iter;
     }
 
     return rowlabels;
@@ -4331,7 +4839,7 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
             colLabels.Add( col );
         }
 
-        iter++ ;
+        ++iter;
     }
     return colLabels;
 }
@@ -4391,7 +4899,7 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
             }
         }
 
-        iter++;
+        ++iter;
     }
 
     return cellsExposed;
@@ -4408,7 +4916,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_rowLabelWin->CaptureMouse();
         }
 
@@ -4438,6 +4946,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_ROW:
+                {
                     if ( (row = YToRow( y )) >= 0 )
                     {
                         if ( m_selection )
@@ -4449,6 +4958,8 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -4465,7 +4976,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     if (m_isDragging)
     {
         if (m_rowLabelWin->HasCapture()) m_rowLabelWin->ReleaseMouse();
-        m_isDragging = FALSE;
+        m_isDragging = false;
     }
 
     // ------------ Entering or leaving the window
@@ -4492,7 +5003,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
             {
                 if ( !event.ShiftDown() && !event.ControlDown() )
                     ClearSelection();
-                else if ( m_selection )
+                if ( m_selection )
                 {
                     if ( event.ShiftDown() )
                     {
@@ -4532,10 +5043,23 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     //
     else if (event.LeftDClick() )
     {
-        if ( YToEdgeOfRow(y) < 0 )
+        row = YToEdgeOfRow(y);
+        if ( row < 0 )
         {
             row = YToRow(y);
-            SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event );
+            if ( row >=0 &&
+                 !SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, row, -1, event ) )
+            {
+                // no default action at the moment
+            }
+        }
+        else
+        {
+            // adjust row height depending on label text
+            AutoSizeRowLabelSize( row );
+
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
+            m_dragLastPos  = -1;
         }
     }
 
@@ -4564,7 +5088,8 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     else if ( event.RightDown() )
     {
         row = YToRow(y);
-        if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
+        if ( row >=0 &&
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, row, -1, event ) )
         {
             // no default action at the moment
         }
@@ -4576,7 +5101,8 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     else if ( event.RightDClick() )
     {
         row = YToRow(y);
-        if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
+        if ( row >= 0 &&
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, row, -1, event ) )
         {
             // no default action at the moment
         }
@@ -4594,12 +5120,12 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
             {
                 // don't capture the mouse yet
                 if ( CanDragRowSize() )
-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, FALSE);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, m_rowLabelWin, false);
             }
         }
         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
         {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, FALSE);
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_rowLabelWin, false);
         }
     }
 }
@@ -4615,7 +5141,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_colLabelWin->CaptureMouse();
         }
 
@@ -4645,6 +5171,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_COL:
+                {
                     if ( (col = XToCol( x )) >= 0 )
                     {
                         if ( m_selection )
@@ -4656,6 +5183,8 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -4672,7 +5201,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     if (m_isDragging)
     {
         if (m_colLabelWin->HasCapture()) m_colLabelWin->ReleaseMouse();
-        m_isDragging = FALSE;
+        m_isDragging = false;
     }
 
     // ------------ Entering or leaving the window
@@ -4738,10 +5267,23 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     //
     if ( event.LeftDClick() )
     {
-        if ( XToEdgeOfCol(x) < 0 )
+        col = XToEdgeOfCol(x);
+        if ( col < 0 )
         {
             col = XToCol(x);
-            SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event );
+            if ( col >= 0 &&
+                 ! SendEvent( wxEVT_GRID_LABEL_LEFT_DCLICK, -1, col, event ) )
+            {
+                // no default action at the moment
+            }
+        }
+        else
+        {
+            // adjust column width depending on label text
+            AutoSizeColLabelSize( col );
+
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
+            m_dragLastPos  = -1;
         }
     }
 
@@ -4770,7 +5312,8 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     else if ( event.RightDown() )
     {
         col = XToCol(x);
-        if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
+        if ( col >= 0 &&
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_CLICK, -1, col, event ) )
         {
             // no default action at the moment
         }
@@ -4782,7 +5325,8 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     else if ( event.RightDClick() )
     {
         col = XToCol(x);
-        if ( !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
+        if ( col >= 0 &&
+             !SendEvent( wxEVT_GRID_LABEL_RIGHT_DCLICK, -1, col, event ) )
         {
             // no default action at the moment
         }
@@ -4800,12 +5344,12 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
             {
                 // don't capture the cursor yet
                 if ( CanDragColSize() )
-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, FALSE);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, m_colLabelWin, false);
             }
         }
         else if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
         {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, FALSE);
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin, false);
         }
     }
 }
@@ -4921,6 +5465,15 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     wxGridCellCoords coords;
     XYToCell( x, y, coords );
 
+    int cell_rows, cell_cols;
+    bool isFirstDrag = !m_isDragging;
+    GetCellSize( coords.GetRow(), coords.GetCol(), &cell_rows, &cell_cols );
+    if ((cell_rows < 0) || (cell_cols < 0))
+    {
+        coords.SetRow(coords.GetRow() + cell_rows);
+        coords.SetCol(coords.GetCol() + cell_cols);
+    }
+
     if ( event.Dragging() )
     {
         //wxLogDebug("pos(%d, %d) coords(%d, %d)", pos.x, pos.y, coords.GetRow(), coords.GetCol());
@@ -4938,11 +5491,11 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 return;
         }
 
-        m_isDragging = TRUE;
+        m_isDragging = true;
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
             // Hide the edit control, so it
-            // won't interfer with drag-shrinking.
+            // won't interfere with drag-shrinking.
             if ( IsCellEditControlShown() )
             {
                 HideCellEditControl();
@@ -4964,6 +5517,19 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                         m_selectingKeyboard = coords;
                     HighlightBlock ( m_selectingKeyboard, coords );
                 }
+                else if ( CanDragCell() )
+                {
+                    if ( isFirstDrag )
+                    {
+                        if ( m_selectingKeyboard == wxGridNoCellCoords)
+                            m_selectingKeyboard = coords;
+
+                        SendEvent( wxEVT_GRID_CELL_BEGIN_DRAG,
+                                   coords.GetRow(),
+                                   coords.GetCol(),
+                                   event );
+                    }
+                }
                 else
                 {
                     if ( !IsSelection() )
@@ -5024,7 +5590,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
         return;
     }
 
-    m_isDragging = FALSE;
+    m_isDragging = false;
     m_startDragPos = wxDefaultPosition;
 
     // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
@@ -5070,54 +5636,33 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 DisableCellEditControl();
                 MakeCellVisible( coords );
 
-                // if this is the second click on this cell then start
-                // the edit control
-                if ( m_waitForSlowClick &&
-                     (coords == m_currentCellCoords) &&
-                     CanEnableCellControl())
+                if ( event.ControlDown() )
                 {
-                    EnableCellEditControl();
-
-                    wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
-                    wxGridCellEditor *editor = attr->GetEditor(this,
-                                                               coords.GetRow(),
-                                                               coords.GetCol());
-                    editor->StartingClick();
-                    editor->DecRef();
-                    attr->DecRef();
-
-                    m_waitForSlowClick = FALSE;
+                    if ( m_selection )
+                    {
+                        m_selection->ToggleCellSelection( coords.GetRow(),
+                                                          coords.GetCol(),
+                                                          event.ControlDown(),
+                                                          event.ShiftDown(),
+                                                          event.AltDown(),
+                                                          event.MetaDown() );
+                    }
+                    m_selectingTopLeft = wxGridNoCellCoords;
+                    m_selectingBottomRight = wxGridNoCellCoords;
+                    m_selectingKeyboard = coords;
                 }
                 else
                 {
-                    if ( event.ControlDown() )
-                    {
-                        if ( m_selection )
-                        {
-                            m_selection->ToggleCellSelection( coords.GetRow(),
-                                                              coords.GetCol(),
-                                                              event.ControlDown(),
-                                                              event.ShiftDown(),
-                                                              event.AltDown(),
-                                                              event.MetaDown() );
-                        }
-                        m_selectingTopLeft = wxGridNoCellCoords;
-                        m_selectingBottomRight = wxGridNoCellCoords;
-                        m_selectingKeyboard = coords;
-                    }
-                    else
+                    m_waitForSlowClick = m_currentCellCoords == coords && coords != wxGridNoCellCoords;
+                    SetCurrentCell( coords );
+                    if ( m_selection )
                     {
-                        SetCurrentCell( coords );
-                        if ( m_selection )
+                        if ( m_selection->GetSelectionMode() !=
+                                wxGrid::wxGridSelectCells )
                         {
-                            if ( m_selection->GetSelectionMode() !=
-                                    wxGrid::wxGridSelectCells )
-                            {
-                                HighlightBlock( coords, coords );
-                            }
+                            HighlightBlock( coords, coords );
                         }
                     }
-                    m_waitForSlowClick = TRUE;
                 }
             }
         }
@@ -5132,11 +5677,17 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
         if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
         {
-            SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
-                       coords.GetRow(),
-                       coords.GetCol(),
-                       event );
+            if ( !SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
+                             coords.GetRow(),
+                             coords.GetCol(),
+                             event ) )
+            {
+                // we want double click to select a cell and start editing
+                // (i.e. to behave in same way as sequence of two slow clicks):
+                m_waitForSlowClick = true;
+            }
         }
+
     }
 
 
@@ -5146,15 +5697,28 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     {
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
-            if ( m_selectingTopLeft != wxGridNoCellCoords &&
-                 m_selectingBottomRight != wxGridNoCellCoords )
+            if (m_winCapture)
             {
-                if (m_winCapture)
-                {
-                    if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
-                    m_winCapture = NULL;
-                }
+                if (m_winCapture->HasCapture()) m_winCapture->ReleaseMouse();
+                m_winCapture = NULL;
+            }
+
+            if ( coords == m_currentCellCoords && m_waitForSlowClick && CanEnableCellControl())
+            {
+                ClearSelection();
+                EnableCellEditControl();
 
+                wxGridCellAttr* attr = GetCellAttr(coords);
+                wxGridCellEditor *editor = attr->GetEditor(this, coords.GetRow(), coords.GetCol());
+                editor->StartingClick();
+                editor->DecRef();
+                attr->DecRef();
+
+                m_waitForSlowClick = false;
+            }
+            else if ( m_selectingTopLeft != wxGridNoCellCoords &&
+                 m_selectingBottomRight != wxGridNoCellCoords )
+            {
                 if ( m_selection )
                 {
                     m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
@@ -5169,11 +5733,11 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
                 m_selectingTopLeft = wxGridNoCellCoords;
                 m_selectingBottomRight = wxGridNoCellCoords;
-            }
 
-            // Show the edit control, if it has been hidden for
-            // drag-shrinking.
-            ShowCellEditControl();
+                // Show the edit control, if it has been hidden for
+                // drag-shrinking.
+                ShowCellEditControl();
+            }
         }
         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
         {
@@ -5233,6 +5797,13 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     //
     else if ( event.Moving() && !event.IsButton() )
     {
+        if ( coords.GetRow() < 0 || coords.GetCol() < 0 )
+        {
+            // out of grid cell area
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            return;
+        }
+
         int dragRow = YToEdgeOfRow( y );
         int dragCol = XToEdgeOfCol( x );
 
@@ -5305,7 +5876,7 @@ void wxGrid::DoEndDragResizeRow()
 
         int rowTop = GetRowTop(m_dragRowOrCol);
         SetRowSize( m_dragRowOrCol,
-                    wxMax( m_dragLastPos - rowTop, WXGRID_MIN_ROW_HEIGHT ) );
+                    wxMax( m_dragLastPos - rowTop, m_minAcceptableRowHeight ) );
 
         if ( !GetBatchCount() )
         {
@@ -5315,9 +5886,28 @@ void wxGrid::DoEndDragResizeRow()
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
             rect.width = m_rowLabelWidth;
             rect.height = ch - rect.y;
-            m_rowLabelWin->Refresh( TRUE, &rect );
+            m_rowLabelWin->Refresh( true, &rect );
             rect.width = cw;
-            m_gridWin->Refresh( FALSE, &rect );
+            // if there is a multicell block, paint all of it
+            if (m_table)
+            {
+                int i, cell_rows, cell_cols, subtract_rows = 0;
+                int leftCol = XToCol(left);
+                int rightCol = internalXToCol(left+cw);
+                if (leftCol >= 0)
+                {
+                    for (i=leftCol; i<rightCol; i++)
+                    {
+                        GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
+                        if (cell_rows < subtract_rows)
+                            subtract_rows = cell_rows;
+                    }
+                    rect.y = GetRowTop(m_dragRowOrCol + subtract_rows);
+                    CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
+                    rect.height = ch - rect.y;
+                }
+            }
+            m_gridWin->Refresh( false, &rect );
         }
 
         ShowCellEditControl();
@@ -5355,11 +5945,30 @@ void wxGrid::DoEndDragResizeCol()
             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
             rect.width = cw - rect.x;
             rect.height = m_colLabelHeight;
-            m_colLabelWin->Refresh( TRUE, &rect );
+            m_colLabelWin->Refresh( true, &rect );
             rect.height = ch;
-            m_gridWin->Refresh( FALSE, &rect );
-        }
-
+            // if there is a multicell block, paint all of it
+            if (m_table)
+            {
+                int i, cell_rows, cell_cols, subtract_cols = 0;
+                int topRow = YToRow(top);
+                int bottomRow = internalYToRow(top+cw);
+                if (topRow >= 0)
+                {
+                    for (i=topRow; i<bottomRow; i++)
+                    {
+                        GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
+                        if (cell_cols < subtract_cols)
+                            subtract_cols = cell_cols;
+                    }
+                    rect.x = GetColLeft(m_dragRowOrCol + subtract_cols);
+                    CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
+                    rect.width = cw - rect.x;
+                }
+            }
+            m_gridWin->Refresh( false, &rect );
+        }
+
         ShowCellEditControl();
     }
 }
@@ -5388,7 +5997,7 @@ bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
             return Redimension( msg );
 
         default:
-            return FALSE;
+            return false;
     }
 }
 
@@ -5419,7 +6028,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::InsertRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5427,12 +6036,13 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
-        return m_table->InsertRows( pos, numRows );
+        bool done = m_table->InsertRows( pos, numRows );
+        return done;
 
         // the table will have sent the results of the insert row
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5443,12 +6053,17 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::AppendRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
-    return ( m_table && m_table->AppendRows( numRows ) );
-    // the table will have sent the results of the append row
-    // operation to this view object as a grid table message
+    if ( m_table )
+    {
+        bool done = m_table && m_table->AppendRows( numRows );
+        return done;
+        // the table will have sent the results of the append row
+        // operation to this view object as a grid table message
+    }
+    return false;
 }
 
 
@@ -5459,7 +6074,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::DeleteRows() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5467,11 +6082,12 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
-        return (m_table->DeleteRows( pos, numRows ));
+        bool done = m_table->DeleteRows( pos, numRows );
+        return done;
         // the table will have sent the results of the delete row
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5482,7 +6098,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::InsertCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5490,11 +6106,12 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
-        return m_table->InsertCols( pos, numCols );
+        bool done = m_table->InsertCols( pos, numCols );
+        return done;
         // the table will have sent the results of the insert col
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5505,12 +6122,17 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::AppendCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
-    return ( m_table && m_table->AppendCols( numCols ) );
-    // the table will have sent the results of the append col
-    // operation to this view object as a grid table message
+    if ( m_table )
+    {
+        bool done = m_table->AppendCols( numCols );
+        return done;
+        // the table will have sent the results of the append col
+        // operation to this view object as a grid table message
+    }
+    return false;
 }
 
 
@@ -5521,7 +6143,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
     if ( !m_created )
     {
         wxFAIL_MSG( wxT("Called wxGrid::DeleteCols() before calling CreateGrid()") );
-        return FALSE;
+        return false;
     }
 
     if ( m_table )
@@ -5529,11 +6151,12 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
-        return ( m_table->DeleteCols( pos, numCols ) );
+        bool done = m_table->DeleteCols( pos, numCols );
+        return done;
         // the table will have sent the results of the delete col
         // operation to this view object as a grid table message
     }
-    return FALSE;
+    return false;
 }
 
 
@@ -5550,7 +6173,7 @@ int wxGrid::SendEvent( const wxEventType type,
                         wxMouseEvent& mouseEv )
 {
    bool claimed;
-   bool vetoed= FALSE;
+   bool vetoed;
 
    if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
    {
@@ -5578,7 +6201,7 @@ int wxGrid::SendEvent( const wxEventType type,
                this,
                m_selectingTopLeft,
                m_selectingBottomRight,
-               TRUE,
+               true,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -5595,7 +6218,7 @@ int wxGrid::SendEvent( const wxEventType type,
                row, col,
                mouseEv.GetX() + GetRowLabelSize(),
                mouseEv.GetY() + GetColLabelSize(),
-               FALSE,
+               false,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -5605,7 +6228,9 @@ int wxGrid::SendEvent( const wxEventType type,
    }
 
    // A Veto'd event may not be `claimed' so test this first
-   if (vetoed) return -1;
+   if (vetoed)
+       return -1;
+
    return claimed ? 1 : 0;
 }
 
@@ -5617,7 +6242,7 @@ int wxGrid::SendEvent( const wxEventType type,
                         int row, int col )
 {
    bool claimed;
-   bool vetoed= FALSE;
+   bool vetoed;
 
     if ( type == wxEVT_GRID_ROW_SIZE || type == wxEVT_GRID_COL_SIZE )
     {
@@ -5643,16 +6268,104 @@ int wxGrid::SendEvent( const wxEventType type,
      }
 
     // A Veto'd event may not be `claimed' so test this first
-    if (vetoed) return -1;
+    if (vetoed)
+        return -1;
+
     return claimed ? 1 : 0;
 }
 
-
 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
 }
 
+void wxGrid::Refresh(bool eraseb, const wxRect* rect)
+{
+    // Don't do anything if between Begin/EndBatch...
+    // EndBatch() will do all this on the last nested one anyway.
+    if (! GetBatchCount())
+    {
+        // Refresh to get correct scrolled position:
+        wxScrolledWindow::Refresh(eraseb, rect);
+
+        if (rect)
+        {
+            int rect_x, rect_y, rectWidth, rectHeight;
+            int width_label, width_cell, height_label, height_cell;
+            int x, y;
+
+            //Copy rectangle can get scroll offsets..
+            rect_x = rect->GetX();
+            rect_y = rect->GetY();
+            rectWidth = rect->GetWidth();
+            rectHeight = rect->GetHeight();
+
+            width_label = m_rowLabelWidth - rect_x;
+            if (width_label > rectWidth)
+                width_label = rectWidth;
+
+            height_label = m_colLabelHeight - rect_y;
+            if (height_label > rectHeight) height_label = rectHeight;
+
+            if (rect_x > m_rowLabelWidth)
+            {
+                x = rect_x - m_rowLabelWidth;
+                width_cell = rectWidth;
+            }
+            else
+            {
+                x = 0;
+                width_cell = rectWidth - (m_rowLabelWidth - rect_x);
+            }
+
+            if (rect_y > m_colLabelHeight)
+            {
+                y = rect_y - m_colLabelHeight;
+                height_cell = rectHeight;
+            }
+            else
+            {
+                y = 0;
+                height_cell = rectHeight - (m_colLabelHeight - rect_y);
+            }
+
+            // Paint corner label part intersecting rect.
+            if ( width_label > 0 && height_label > 0 )
+            {
+                wxRect anotherrect(rect_x, rect_y, width_label, height_label);
+                m_cornerLabelWin->Refresh(eraseb, &anotherrect);
+            }
+
+            // Paint col labels part intersecting rect.
+            if ( width_cell > 0 && height_label > 0 )
+            {
+                wxRect anotherrect(x, rect_y, width_cell, height_label);
+                m_colLabelWin->Refresh(eraseb, &anotherrect);
+            }
+
+            // Paint row labels part intersecting rect.
+            if ( width_label > 0 && height_cell > 0 )
+            {
+                wxRect anotherrect(rect_x, y, width_label, height_cell);
+                m_rowLabelWin->Refresh(eraseb, &anotherrect);
+            }
+
+            // Paint cell area part intersecting rect.
+            if ( width_cell > 0 && height_cell > 0 )
+            {
+                wxRect anotherrect(x, y, width_cell, height_cell);
+                m_gridWin->Refresh(eraseb, &anotherrect);
+            }
+        }
+        else
+        {
+            m_cornerLabelWin->Refresh(eraseb, NULL);
+            m_colLabelWin->Refresh(eraseb, NULL);
+            m_rowLabelWin->Refresh(eraseb, NULL);
+            m_gridWin->Refresh(eraseb, NULL);
+        }
+    }
+}
 
 void wxGrid::OnSize( wxSizeEvent& event )
 {
@@ -5674,7 +6387,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
         wxFAIL_MSG( wxT("wxGrid::OnKeyDown called while already active") );
     }
 
-    m_inOnKeyDown = TRUE;
+    m_inOnKeyDown = true;
 
     // propagate the event up and see if it gets processed
     //
@@ -5687,7 +6400,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
 
         // try local handlers
         //
-        switch ( event.KeyCode() )
+        switch ( event.GetKeyCode() )
         {
             case WXK_UP:
                 if ( event.ControlDown() )
@@ -5748,8 +6461,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                     else
                     {
                         // at the bottom of a column
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 break;
@@ -5763,26 +6475,24 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 {
                     if ( GetGridCursorCol() > 0 )
                     {
-                        MoveCursorLeft( FALSE );
+                        MoveCursorLeft( false );
                     }
                     else
                     {
                         // at left of grid
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 else
                 {
                     if ( GetGridCursorCol() < GetNumberCols()-1 )
                     {
-                        MoveCursorRight( FALSE );
+                        MoveCursorRight( false );
                     }
                     else
                     {
                         // at right of grid
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 break;
@@ -5835,62 +6545,25 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 }
                 if ( !IsEditable() )
                 {
-                    MoveCursorRight( FALSE );
+                    MoveCursorRight( false );
                     break;
                 }
                 // Otherwise fall through to default
 
             default:
-                // is it possible to edit the current cell at all?
-                if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
-                {
-                    // yes, now check whether the cells editor accepts the key
-                    int row = m_currentCellCoords.GetRow();
-                    int col = m_currentCellCoords.GetCol();
-                    wxGridCellAttr* attr = GetCellAttr(row, col);
-                    wxGridCellEditor *editor = attr->GetEditor(this, row, col);
-
-                    // <F2> is special and will always start editing, for
-                    // other keys - ask the editor itself
-                    if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
-                         || editor->IsAcceptedKey(event) )
-                    {
-                        EnableCellEditControl();
-
-                        // the editor could be not shown for a variety of
-                        // reasons (i.e. blocked by the app or whatever), so
-                        // check if it really was created
-                        if ( m_cellEditCtrlEnabled )
-                        {
-                            editor->StartingKey(event);
-                        }
-                    }
-                    else
-                    {
-                        event.Skip();
-                    }
-
-                    editor->DecRef();
-                    attr->DecRef();
-                }
-                else
-                {
-                    // let others process char events with modifiers or all
-                    // char events for readonly cells
-                    event.Skip();
-                }
+                event.Skip();
                 break;
         }
     }
 
-    m_inOnKeyDown = FALSE;
+    m_inOnKeyDown = false;
 }
 
 void wxGrid::OnKeyUp( wxKeyEvent& event )
 {
     // try local handlers
     //
-    if ( event.KeyCode() == WXK_SHIFT )
+    if ( event.GetKeyCode() == WXK_SHIFT )
     {
         if ( m_selectingTopLeft != wxGridNoCellCoords &&
              m_selectingBottomRight != wxGridNoCellCoords )
@@ -5902,7 +6575,7 @@ void wxGrid::OnKeyUp( wxKeyEvent& event )
                                           m_selectingBottomRight.GetRow(),
                                           m_selectingBottomRight.GetCol(),
                                           event.ControlDown(),
-                                          TRUE,
+                                          true,
                                           event.AltDown(),
                                           event.MetaDown() );
             }
@@ -5914,6 +6587,48 @@ void wxGrid::OnKeyUp( wxKeyEvent& event )
     }
 }
 
+void wxGrid::OnChar( wxKeyEvent& event )
+{
+    // is it possible to edit the current cell at all?
+    if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
+    {
+        // yes, now check whether the cells editor accepts the key
+        int row = m_currentCellCoords.GetRow();
+        int col = m_currentCellCoords.GetCol();
+        wxGridCellAttr* attr = GetCellAttr(row, col);
+        wxGridCellEditor *editor = attr->GetEditor(this, row, col);
+
+        // <F2> is special and will always start editing, for
+        // other keys - ask the editor itself
+        if ( (event.GetKeyCode() == WXK_F2 && !event.HasModifiers())
+             || editor->IsAcceptedKey(event) )
+        {
+            // ensure cell is visble
+            MakeCellVisible(row, col);
+            EnableCellEditControl();
+
+            // a problem can arise if the cell is not completely
+            // visible (even after calling MakeCellVisible the
+            // control is not created and calling StartingKey will
+            // crash the app
+            if ( event.GetKeyCode() != WXK_F2 && editor->IsCreated() && m_cellEditCtrlEnabled )
+                editor->StartingKey(event);
+        }
+        else
+        {
+            event.Skip();
+        }
+
+        editor->DecRef();
+        attr->DecRef();
+    }
+    else
+    {
+        event.Skip();
+    }
+}
+
+
 void wxGrid::OnEraseBackground(wxEraseEvent&)
 {
 }
@@ -5931,13 +6646,12 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
 
     if ( m_currentCellCoords != wxGridNoCellCoords )
     {
-        HideCellEditControl();
         DisableCellEditControl();
 
-        if ( IsVisible( m_currentCellCoords, FALSE ) )
+        if ( IsVisible( m_currentCellCoords, false ) )
         {
             wxRect r;
-            r = BlockToDeviceRect(m_currentCellCoords, coords);
+            r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
             if ( !m_gridLinesEnabled )
             {
                 r.x--;
@@ -5946,7 +6660,7 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
                 r.height++;
             }
 
-             wxGridCellCoordsArray cells = CalcCellsExposed( r );
+            wxGridCellCoordsArray cells = CalcCellsExposed( r );
 
             // Otherwise refresh redraws the highlight!
             m_currentCellCoords = coords;
@@ -6000,8 +6714,18 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
     updateTopLeft = wxGridCellCoords( topRow, leftCol );
     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
 
-    if ( m_selectingTopLeft != updateTopLeft ||
-         m_selectingBottomRight != updateBottomRight )
+    // First the case that we selected a completely new area
+    if ( m_selectingTopLeft == wxGridNoCellCoords ||
+         m_selectingBottomRight == wxGridNoCellCoords )
+    {
+        wxRect rect;
+        rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
+                                  wxGridCellCoords ( bottomRow, rightCol ) );
+        m_gridWin->Refresh( false, &rect );
+    }
+    // Now handle changing an existing selection area.
+    else if ( m_selectingTopLeft != updateTopLeft ||
+              m_selectingBottomRight != updateBottomRight )
     {
         // Compute two optimal update rectangles:
         // Either one rectangle is a real subset of the
@@ -6011,7 +6735,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         need_refresh[0] =
         need_refresh[1] =
         need_refresh[2] =
-        need_refresh[3] = FALSE;
+        need_refresh[3] = false;
         int     i;
 
         // Store intermediate values
@@ -6052,7 +6776,9 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
 
         if ( oldLeft < leftCol )
         {
-            need_refresh[0] = TRUE;
+            // Refresh the newly selected or deselected
+            // area to the left of the old or new selection.
+            need_refresh[0] = true;
             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             oldLeft ),
                                          wxGridCellCoords ( oldBottom,
@@ -6061,7 +6787,9 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
 
         if ( oldTop  < topRow )
         {
-            need_refresh[1] = TRUE;
+            // Refresh the newly selected or deselected
+            // area above the old or new selection.
+            need_refresh[1] = true;
             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             leftCol ),
                                          wxGridCellCoords ( topRow - 1,
@@ -6070,7 +6798,9 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
 
         if ( oldRight > rightCol )
         {
-            need_refresh[2] = TRUE;
+            // Refresh the newly selected or deselected
+            // area to the right of the old or new selection.
+            need_refresh[2] = true;
             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             rightCol + 1 ),
                                          wxGridCellCoords ( oldBottom,
@@ -6079,27 +6809,23 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
 
         if ( oldBottom > bottomRow )
         {
-            need_refresh[3] = TRUE;
+            // Refresh the newly selected or deselected
+            // area below the old or new selection.
+            need_refresh[3] = true;
             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
                                                             leftCol ),
                                          wxGridCellCoords ( oldBottom,
                                                             rightCol ) );
         }
 
-
-        // Change Selection
-        m_selectingTopLeft = updateTopLeft;
-        m_selectingBottomRight = updateBottomRight;
-
         // various Refresh() calls
         for (i = 0; i < 4; i++ )
             if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
+                m_gridWin->Refresh( false, &(rect[i]) );
     }
-
-    // never generate an event as it will be generated from
-    // wxGridSelection::SelectBlock!
-    // (old comment from when this was the body of SelectBlock)
+    // Change Selection
+    m_selectingTopLeft = updateTopLeft;
+    m_selectingBottomRight = updateBottomRight;
 }
 
 //
@@ -6108,15 +6834,18 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
 
 bool wxGrid::GetModelValues()
 {
+    // Hide the editor, so it won't hide a changed value.
+    HideCellEditControl();
+
     if ( m_table )
     {
         // all we need to do is repaint the grid
         //
         m_gridWin->Refresh();
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6124,6 +6853,11 @@ bool wxGrid::SetModelValues()
 {
     int row, col;
 
+    // Disable the editor, so it won't hide a changed value.
+    // Do we also want to save the current value of the editor first?
+    // I think so ...
+    DisableCellEditControl();
+
     if ( m_table )
     {
         for ( row = 0;  row < m_numRows;  row++ )
@@ -6134,10 +6868,10 @@ bool wxGrid::SetModelValues()
             }
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6148,15 +6882,112 @@ bool wxGrid::SetModelValues()
 //
 void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
 {
-    if ( !m_numRows || !m_numCols ) return;
+    if ( !m_numRows || !m_numCols )
+        return;
 
-    size_t i;
-    size_t numCells = cells.GetCount();
+    int i, numCells = cells.GetCount();
+    int row, col, cell_rows, cell_cols;
+    wxGridCellCoordsArray redrawCells;
 
-    for ( i = 0;  i < numCells;  i++ )
+    for ( i = numCells-1; i >= 0;  i-- )
     {
+        row = cells[i].GetRow();
+        col = cells[i].GetCol();
+        GetCellSize( row, col, &cell_rows, &cell_cols );
+
+        // If this cell is part of a multicell block, find owner for repaint
+        if ( cell_rows <= 0 || cell_cols <= 0 )
+        {
+            wxGridCellCoords cell(row+cell_rows, col+cell_cols);
+            bool marked = false;
+            for ( int j = 0;  j < numCells;  j++ )
+            {
+                if ( cell == cells[j] )
+                {
+                    marked = true;
+                    break;
+                }
+            }
+            if (!marked)
+            {
+                int count = redrawCells.GetCount();
+                for (int j = 0; j < count; j++)
+                {
+                    if ( cell == redrawCells[j] )
+                    {
+                        marked = true;
+                        break;
+                    }
+                }
+                if (!marked)
+                    redrawCells.Add( cell );
+            }
+            continue; // don't bother drawing this cell
+        }
+
+        // If this cell is empty, find cell to left that might want to overflow
+        if (m_table && m_table->IsEmptyCell(row, col))
+        {
+            for ( int l = 0; l < cell_rows; l++ )
+            {
+                // find a cell in this row to left alreay marked for repaint
+                int left = col;
+                for (int k = 0; k < int(redrawCells.GetCount()); k++)
+                    if ((redrawCells[k].GetCol() < left) &&
+                        (redrawCells[k].GetRow() == row))
+                        left = redrawCells[k].GetCol();
+
+                if (left == col)
+                    left = 0; // oh well
+
+                for (int j = col-1; j >= left; j--)
+                {
+                    if (!m_table->IsEmptyCell(row+l, j))
+                    {
+                        if (GetCellOverflow(row+l, j))
+                        {
+                            wxGridCellCoords cell(row+l, j);
+                            bool marked = false;
+
+                            for (int k = 0; k < numCells; k++)
+                            {
+                                if ( cell == cells[k] )
+                                {
+                                    marked = true;
+                                    break;
+                                }
+                            }
+
+                            if (!marked)
+                            {
+                                int count = redrawCells.GetCount();
+                                for (int k = 0; k < count; k++)
+                                {
+                                    if ( cell == redrawCells[k] )
+                                    {
+                                        marked = true;
+                                        break;
+                                    }
+                                }
+                                if (!marked)
+                                    redrawCells.Add( cell );
+                            }
+                        }
+                        break;
+                    }
+                }
+            }
+        }
+
         DrawCell( dc, cells[i] );
     }
+
+    numCells = redrawCells.GetCount();
+
+    for ( i = numCells - 1; i >= 0;  i-- )
+    {
+        DrawCell( dc, redrawCells[i] );
+    }
 }
 
 
@@ -6248,21 +7079,23 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
 
     int penWidth = attr->IsReadOnly() ? m_cellHighlightROPenWidth : m_cellHighlightPenWidth;
 
-    if (penWidth > 0) {
-
+    if (penWidth > 0)
+    {
         // The center of th drawn line is where the position/width/height of
         // the rectangle is actually at, (on wxMSW atr least,) so we will
         // reduce the size of the rectangle to compensate for the thickness of
         // the line.  If this is too strange on non wxMSW platforms then
         // please #ifdef this appropriately.
-        rect.x += penWidth/2;
-        rect.y += penWidth/2;
-        rect.width -= penWidth-1;
-        rect.height -= penWidth-1;
+        rect.x += penWidth / 2;
+        rect.y += penWidth / 2;
+        rect.width -= penWidth - 1;
+        rect.height -= penWidth - 1;
 
 
         // Now draw the rectangle
-        dc.SetPen(wxPen(m_cellHighlightColour, penWidth, wxSOLID));
+        // use the cellHighlightColour if the cell is inside a selection, this
+        // will ensure the cell is always visible.
+        dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
         dc.SetBrush(*wxTRANSPARENT_BRUSH);
         dc.DrawRectangle(rect);
     }
@@ -6273,8 +7106,8 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
         // how to properly set colours for arbitrary bg?
         wxCoord x1 = rect.x,
                 y1 = rect.y,
-                x2 = rect.x + rect.width -1,
-                y2 = rect.y + rect.height -1;
+                x2 = rect.x + rect.width - 1,
+                y2 = rect.y + rect.height - 1;
 
         dc.SetPen(*wxWHITE_PEN);
         dc.DrawLine(x1, y1, x2, y1);
@@ -6299,15 +7132,17 @@ void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
 
     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
 
+    wxRect rect = CellToRect( row, col );
+
     // right hand border
     //
-    dc.DrawLine( GetColRight(col), GetRowTop(row),
-                 GetColRight(col), GetRowBottom(row) );
+    dc.DrawLine( rect.x + rect.width, rect.y,
+                 rect.x + rect.width, rect.y + rect.height + 1 );
 
     // bottom border
     //
-    dc.DrawLine( GetColLeft(col), GetRowBottom(row),
-                 GetColRight(col), GetRowBottom(row) );
+    dc.DrawLine( rect.x,              rect.y + rect.height,
+                 rect.x + rect.width, rect.y + rect.height);
 }
 
 void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
@@ -6349,9 +7184,14 @@ void wxGrid::DrawHighlight(wxDC& dc,const  wxGridCellCoordsArray& cells)
 //
 void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
 {
+#if !WXGRID_DRAW_LINES
+    return;
+#endif
+
     if ( !m_gridLinesEnabled ||
          !m_numRows ||
-         !m_numCols ) return;
+         !m_numCols )
+         return;
 
     int top, bottom, left, right;
 
@@ -6385,11 +7225,69 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
     right = wxMin( right, GetColRight(m_numCols - 1) );
     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
 
+    // no gridlines inside multicells, clip them out
+    int leftCol   = internalXToCol(left);
+    int topRow    = internalYToRow(top);
+    int rightCol  = internalXToCol(right);
+    int bottomRow = internalYToRow(bottom);
+
+#ifndef __WXMAC__
+    // CS: I don't know why suddenly unscrolled coordinates are used for clipping
+    wxRegion clippedcells(0, 0, cw, ch);
+
+    int i, j, cell_rows, cell_cols;
+    wxRect rect;
+
+    for (j=topRow; j<bottomRow; j++)
+    {
+        for (i=leftCol; i<rightCol; i++)
+        {
+            GetCellSize( j, i, &cell_rows, &cell_cols );
+            if ((cell_rows > 1) || (cell_cols > 1))
+            {
+                rect = CellToRect(j,i);
+                CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+                clippedcells.Subtract(rect);
+            }
+            else if ((cell_rows < 0) || (cell_cols < 0))
+            {
+                rect = CellToRect(j+cell_rows, i+cell_cols);
+                CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+                clippedcells.Subtract(rect);
+            }
+        }
+    }
+#else
+    wxRegion clippedcells( left , top, right - left, bottom - top);
+
+    int i, j, cell_rows, cell_cols;
+    wxRect rect;
+
+    for (j=topRow; j<bottomRow; j++)
+    {
+        for (i=leftCol; i<rightCol; i++)
+        {
+            GetCellSize( j, i, &cell_rows, &cell_cols );
+            if ((cell_rows > 1) || (cell_cols > 1))
+            {
+                rect = CellToRect(j,i);
+                clippedcells.Subtract(rect);
+            }
+            else if ((cell_rows < 0) || (cell_cols < 0))
+            {
+                rect = CellToRect(j+cell_rows, i+cell_cols);
+                clippedcells.Subtract(rect);
+            }
+        }
+    }
+#endif
+    dc.SetClippingRegion( clippedcells );
+
     dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );
 
     // horizontal grid lines
     //
-    int i;
+    // already declared above - int i;
     for ( i = internalYToRow(top); i < m_numRows; i++ )
     {
         int bot = GetRowBottom(i) - 1;
@@ -6405,7 +7303,6 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
         }
     }
 
-
     // vertical grid lines
     //
     for ( i = internalXToCol(left); i < m_numCols; i++ )
@@ -6421,12 +7318,13 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
             dc.DrawLine( colRight, top, colRight, bottom );
         }
     }
+    dc.DestroyClippingRegion();
 }
 
-
 void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
 {
-    if ( !m_numRows ) return;
+    if ( !m_numRows )
+        return;
 
     size_t i;
     size_t numLabels = rows.GetCount();
@@ -6437,25 +7335,39 @@ void wxGrid::DrawRowLabels( wxDC& dc ,const wxArrayInt& rows)
     }
 }
 
-
 void wxGrid::DrawRowLabel( wxDC& dc, int row )
 {
-    if ( GetRowHeight(row) <= 0 )
+    if ( GetRowHeight(row) <= 0 || m_rowLabelWidth <= 0 )
         return;
 
+    wxRect rect;
+#ifdef __WXGTK20__
+    rect.SetX( 1 );
+    rect.SetY( GetRowTop(row) + 1 );
+    rect.SetWidth( m_rowLabelWidth - 2 );
+    rect.SetHeight( GetRowHeight(row) - 2 );
+
+    CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
+
+    wxWindowDC *win_dc = (wxWindowDC*) &dc;
+
+    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
+#else
     int rowTop = GetRowTop(row),
         rowBottom = GetRowBottom(row) - 1;
 
-    dc.SetPen( *wxBLACK_PEN );
+    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
     dc.DrawLine( m_rowLabelWidth-1, rowTop,
                  m_rowLabelWidth-1, rowBottom );
 
-    dc.DrawLine( 0, rowBottom, m_rowLabelWidth-1, rowBottom );
-
-    dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 0, rowTop, 0, rowBottom );
-    dc.DrawLine( 0, rowTop, m_rowLabelWidth-1, rowTop );
 
+    dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
+
+    dc.SetPen( *wxWHITE_PEN );
+    dc.DrawLine( 1, rowTop, 1, rowBottom );
+    dc.DrawLine( 1, rowTop, m_rowLabelWidth-1, rowTop );
+#endif
     dc.SetBackgroundMode( wxTRANSPARENT );
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
@@ -6463,7 +7375,6 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     int hAlign, vAlign;
     GetRowLabelAlignment( &hAlign, &vAlign );
 
-    wxRect rect;
     rect.SetX( 2 );
     rect.SetY( GetRowTop(row) + 2 );
     rect.SetWidth( m_rowLabelWidth - 4 );
@@ -6471,10 +7382,10 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
 }
 
-
 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
 {
-    if ( !m_numCols ) return;
+    if ( !m_numCols )
+        return;
 
     size_t i;
     size_t numLabels = cols.GetCount();
@@ -6485,117 +7396,164 @@ void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
     }
 }
 
-
 void wxGrid::DrawColLabel( wxDC& dc, int col )
 {
-    if ( GetColWidth(col) <= 0 )
+    if ( GetColWidth(col) <= 0 || m_colLabelHeight <= 0 )
         return;
 
-    int colLeft = GetColLeft(col),
-        colRight = GetColRight(col) - 1;
+    int colLeft = GetColLeft(col);
 
-    dc.SetPen( *wxBLACK_PEN );
-    dc.DrawLine( colRight, 0,
-                 colRight, m_colLabelHeight-1 );
+    wxRect rect;
+#ifdef __WXGTK20__
+    rect.SetX( colLeft + 1 );
+    rect.SetY( 1 );
+    rect.SetWidth( GetColWidth(col) - 2 );
+    rect.SetHeight( m_colLabelHeight - 2 );
 
-    dc.DrawLine( colLeft, m_colLabelHeight-1,
+    wxWindowDC *win_dc = (wxWindowDC*) &dc;
+
+    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
+#else
+    int colRight = GetColRight(col) - 1;
+
+    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW),1, wxSOLID) );
+    dc.DrawLine( colRight, 0,
                  colRight, m_colLabelHeight-1 );
 
-    dc.SetPen( *wxWHITE_PEN );
-    dc.DrawLine( colLeft, 0, colLeft, m_colLabelHeight-1 );
     dc.DrawLine( colLeft, 0, colRight, 0 );
 
-    dc.SetBackgroundMode( wxTRANSPARENT );
-    dc.SetTextForeground( GetLabelTextColour() );
-    dc.SetFont( GetLabelFont() );
+    dc.DrawLine( colLeft, m_colLabelHeight-1,
+                 colRight+1, m_colLabelHeight-1 );
 
+    dc.SetPen( *wxWHITE_PEN );
+    dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
+    dc.DrawLine( colLeft, 1, colRight, 1 );
+#endif
     dc.SetBackgroundMode( wxTRANSPARENT );
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
 
-    int hAlign, vAlign;
+    int hAlign, vAlign, orient;
     GetColLabelAlignment( &hAlign, &vAlign );
+    orient = GetColLabelTextOrientation();
 
-    wxRect rect;
     rect.SetX( colLeft + 2 );
     rect.SetY( 2 );
     rect.SetWidth( GetColWidth(col) - 4 );
     rect.SetHeight( m_colLabelHeight - 4 );
-    DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign );
+    DrawTextRectangle( dc, GetColLabelValue( col ), rect, hAlign, vAlign, orient );
 }
 
 void wxGrid::DrawTextRectangle( wxDC& dc,
                                 const wxString& value,
                                 const wxRect& rect,
                                 int horizAlign,
-                                int vertAlign )
+                                int vertAlign,
+                                int textOrientation )
 {
     wxArrayString lines;
 
-    dc.SetClippingRegion( rect );
     StringToLines( value, lines );
 
-
     //Forward to new API.
     DrawTextRectangle(  dc,
-                        lines,
-                        rect,
-                        horizAlign,
-                        vertAlign );
+        lines,
+        rect,
+        horizAlign,
+        vertAlign,
+        textOrientation );
 
 }
 
 void wxGrid::DrawTextRectangle( wxDC& dc,
-                                const wxArrayString& lines,
-                                const wxRect& rect,
-                                int horizAlign,
-                                int vertAlign )
+                               const wxArrayString& lines,
+                               const wxRect& rect,
+                               int horizAlign,
+                               int vertAlign,
+                               int textOrientation )
 {
     long textWidth, textHeight;
     long lineWidth, lineHeight;
+    int nLines;
 
-    if ( lines.GetCount() )
+    dc.SetClippingRegion( rect );
+
+    nLines = lines.GetCount();
+    if ( nLines > 0 )
     {
-        GetTextBoxSize( dc, lines, &textWidth, &textHeight );
-        dc.GetTextExtent( lines[0], &lineWidth, &lineHeight );
+        int l;
+        float x = 0.0, y = 0.0;
+
+        if ( textOrientation == wxHORIZONTAL )
+            GetTextBoxSize(dc, lines, &textWidth, &textHeight);
+        else
+            GetTextBoxSize( dc, lines, &textHeight, &textWidth );
 
-        float x, y;
-        switch ( horizAlign )
+        switch( vertAlign )
         {
-            case wxALIGN_RIGHT:
-                x = rect.x + (rect.width - textWidth - 1);
-                break;
+        case wxALIGN_BOTTOM:
+            if ( textOrientation == wxHORIZONTAL )
+                y = rect.y + (rect.height - textHeight - 1);
+            else
+                x = rect.x + rect.width - textWidth;
+            break;
 
-            case wxALIGN_CENTRE:
+        case wxALIGN_CENTRE:
+            if ( textOrientation == wxHORIZONTAL )
+                y = rect.y + ((rect.height - textHeight)/2);
+            else
                 x = rect.x + ((rect.width - textWidth)/2);
-                break;
+            break;
 
-            case wxALIGN_LEFT:
-            default:
+        case wxALIGN_TOP:
+        default:
+            if ( textOrientation == wxHORIZONTAL )
+                y = rect.y + 1;
+            else
                 x = rect.x + 1;
-                break;
+            break;
         }
 
-        switch ( vertAlign )
+        // Align each line of a multi-line label
+        for ( l = 0; l < nLines; l++ )
         {
-            case wxALIGN_BOTTOM:
-                y = rect.y + (rect.height - textHeight - 1);
+            dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
+
+            switch( horizAlign )
+            {
+            case wxALIGN_RIGHT:
+                if ( textOrientation == wxHORIZONTAL )
+                    x = rect.x + (rect.width - lineWidth - 1);
+                else
+                    y = rect.y + lineWidth + 1;
                 break;
 
             case wxALIGN_CENTRE:
-                y = rect.y + ((rect.height - textHeight)/2);
+                if ( textOrientation == wxHORIZONTAL )
+                    x = rect.x + ((rect.width - lineWidth)/2);
+                else
+                    y = rect.y + rect.height - ((rect.height - lineWidth)/2);
                 break;
 
-            case wxALIGN_TOP:
+            case wxALIGN_LEFT:
             default:
-                y = rect.y + 1;
+                if ( textOrientation == wxHORIZONTAL )
+                    x = rect.x + 1;
+                else
+                    y = rect.y + rect.height - 1;
                 break;
-        }
+            }
 
-        for ( size_t i = 0;  i < lines.GetCount();  i++ )
-        {
-            dc.DrawText( lines[i], (int)x, (int)y );
-            y += lineHeight;
+            if ( textOrientation == wxHORIZONTAL )
+            {
+                dc.DrawText( lines[l], (int)x, (int)y );
+                y += lineHeight;
+            }
+            else
+            {
+                dc.DrawRotatedText( lines[l], (int)x, (int)y, 90.0 );
+                x += lineHeight;
+            }
         }
     }
 
@@ -6628,8 +7586,9 @@ void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
         {
             lines.Add( value.Mid(startPos, pos) );
         }
-        startPos += pos+1;
+        startPos += pos + 1;
     }
+
     if ( startPos < (int)value.Length() )
     {
         lines.Add( value.Mid( startPos ) );
@@ -6637,7 +7596,7 @@ void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
 }
 
 
-void wxGrid::GetTextBoxSize( wxDC& dc,
+void wxGrid::GetTextBoxSize( const wxDC& dc,
                              const wxArrayString& lines,
                              long *width, long *height )
 {
@@ -6686,24 +7645,34 @@ void wxGrid::ForceRefresh()
     EndBatch();
 }
 
+bool wxGrid::Enable(bool enable)
+{
+    if ( !wxScrolledWindow::Enable(enable) )
+        return false;
+
+    // redraw in the new state
+    m_gridWin->Refresh();
+
+    return true;
+}
+
 
 //
 // ------ Edit control functions
 //
 
-
 void wxGrid::EnableEditing( bool edit )
 {
     // TODO: improve this ?
     //
     if ( edit != m_editable )
     {
-        if(!edit) EnableCellEditControl(edit);
+        if (!edit)
+            EnableCellEditControl(edit);
         m_editable = edit;
     }
 }
 
-
 void wxGrid::EnableCellEditControl( bool enable )
 {
     if (! m_editable)
@@ -6754,19 +7723,21 @@ bool wxGrid::IsCurrentCellReadOnly() const
 
 bool wxGrid::CanEnableCellControl() const
 {
-    return m_editable && !IsCurrentCellReadOnly();
+    return m_editable && (m_currentCellCoords != wxGridNoCellCoords) &&
+        !IsCurrentCellReadOnly();
+
 }
 
 bool wxGrid::IsCellEditControlEnabled() const
 {
     // the cell edit control might be disable for all cells or just for the
     // current one if it's read only
-    return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
+    return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : false;
 }
 
 bool wxGrid::IsCellEditControlShown() const
 {
-    bool isShown = FALSE;
+    bool isShown = false;
 
     if ( m_cellEditCtrlEnabled )
     {
@@ -6796,7 +7767,7 @@ void wxGrid::ShowCellEditControl()
     {
         if ( !IsVisible( m_currentCellCoords ) )
         {
-            m_cellEditCtrlEnabled = FALSE;
+            m_cellEditCtrlEnabled = false;
             return;
         }
         else
@@ -6805,6 +7776,17 @@ void wxGrid::ShowCellEditControl()
             int row = m_currentCellCoords.GetRow();
             int col = m_currentCellCoords.GetCol();
 
+            // if this is part of a multicell, find owner (topleft)
+            int cell_rows, cell_cols;
+            GetCellSize( row, col, &cell_rows, &cell_cols );
+            if ( cell_rows <= 0 || cell_cols <= 0 )
+            {
+                row += cell_rows;
+                col += cell_cols;
+                m_currentCellCoords.SetRow( row );
+                m_currentCellCoords.SetCol( col );
+            }
+
             // convert to scrolled coords
             //
             CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
@@ -6833,7 +7815,7 @@ void wxGrid::ShowCellEditControl()
             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
             if ( !editor->IsCreated() )
             {
-                editor->Create(m_gridWin, -1,
+                editor->Create(m_gridWin, wxID_ANY,
                                new wxGridCellEditorEvtHandler(this, editor));
 
                 wxGridEditorCreatedEvent evt(GetId(),
@@ -6845,19 +7827,59 @@ void wxGrid::ShowCellEditControl()
                 GetEventHandler()->ProcessEvent(evt);
             }
 
-            editor->Show( TRUE, attr );
 
+            // resize editor to overflow into righthand cells if allowed
+            int maxWidth = rect.width;
+            wxString value = GetCellValue(row, col);
+            if ( (value != wxEmptyString) && (attr->GetOverflow()) )
+            {
+                int y;
+                GetTextExtent(value, &maxWidth, &y,
+                        NULL, NULL, &attr->GetFont());
+                if (maxWidth < rect.width) maxWidth = rect.width;
+            }
+
+            int client_right = m_gridWin->GetClientSize().GetWidth();
+            if (rect.x+maxWidth > client_right)
+                maxWidth = client_right - rect.x;
+
+            if ((maxWidth > rect.width) && (col < m_numCols) && m_table)
+            {
+                GetCellSize( row, col, &cell_rows, &cell_cols );
+                // may have changed earlier
+                for (int i = col+cell_cols; i < m_numCols; i++)
+                {
+                    int c_rows, c_cols;
+                    GetCellSize( row, i, &c_rows, &c_cols );
+                    // looks weird going over a multicell
+                    if (m_table->IsEmptyCell(row,i) &&
+                            (rect.width < maxWidth) && (c_rows == 1))
+                        rect.width += GetColWidth(i);
+                    else
+                        break;
+                }
+
+                if (rect.GetRight() > client_right)
+                    rect.SetRight(client_right - 1);
+            }
+
+            editor->SetCellAttr(attr);
             editor->SetSize( rect );
+            editor->Show( true, attr );
+
+            // recalc dimensions in case we need to
+            // expand the scrolled window to account for editor
+            CalcDimensions();
 
             editor->BeginEdit(row, col, this);
+            editor->SetCellAttr(NULL);
 
             editor->DecRef();
             attr->DecRef();
-         }
+        }
     }
 }
 
-
 void wxGrid::HideCellEditControl()
 {
     if ( IsCellEditControlEnabled() )
@@ -6867,16 +7889,24 @@ void wxGrid::HideCellEditControl()
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
-        editor->Show( FALSE );
+        editor->Show( false );
         editor->DecRef();
         attr->DecRef();
+
         m_gridWin->SetFocus();
-        wxRect rect( CellToRect( row, col ) );
-        m_gridWin->Refresh( FALSE, &rect );
+
+        // refresh whole row to the right
+        wxRect rect( CellToRect(row, col) );
+        CalcScrolledPosition(rect.x, rect.y, &rect.x, &rect.y );
+        rect.width = m_gridWin->GetClientSize().GetWidth() - rect.x;
+#ifdef __WXMAC__
+        // ensure that the pixels under the focus ring get refreshed as well
+        rect.Inflate(10, 10);
+#endif
+        m_gridWin->Refresh( false, &rect );
     }
 }
 
-
 void wxGrid::SaveEditControlValue()
 {
     if ( IsCellEditControlEnabled() )
@@ -6884,7 +7914,7 @@ void wxGrid::SaveEditControlValue()
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
 
-        wxString oldval = GetCellValue(row,col);
+        wxString oldval = GetCellValue(row, col);
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
@@ -6897,10 +7927,10 @@ void wxGrid::SaveEditControlValue()
         {
             if ( SendEvent( wxEVT_GRID_CELL_CHANGE,
                        m_currentCellCoords.GetRow(),
-                       m_currentCellCoords.GetCol() ) < 0 ) {
-
+                       m_currentCellCoords.GetCol() ) < 0 )
+            {
                 // Event has been vetoed, set the data back.
-                SetCellValue(row,col,oldval);
+                SetCellValue(row, col, oldval);
             }
         }
     }
@@ -6936,15 +7966,23 @@ void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
 // of m_rowBottoms/m_ColRights to speed up the search!
 
 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
-                           const wxArrayInt& BorderArray, bool maxOnOverflow)
+                           const wxArrayInt& BorderArray, int nMax,
+                           bool clipToMinMax)
 {
+    if (coord < 0)
+        return clipToMinMax && (nMax > 0) ? 0 : -1;
+
     if (!defaultDist)
         defaultDist = 1;
+
     size_t i_max = coord / defaultDist,
            i_min = 0;
+
     if (BorderArray.IsEmpty())
     {
-        return i_max;
+        if ((int) i_max < nMax)
+            return i_max;
+        return clipToMinMax ? nMax - 1 : -1;
     }
 
     if ( i_max >= BorderArray.GetCount())
@@ -6954,13 +7992,18 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
         if ( coord >= BorderArray[i_max])
         {
             i_min = i_max;
-            i_max = coord / minDist;
+            if (minDist)
+                i_max = coord / minDist;
+            else
+                i_max =  BorderArray.GetCount() - 1;
         }
+
         if ( i_max >= BorderArray.GetCount())
             i_max = BorderArray.GetCount() - 1;
     }
+
     if ( coord >= BorderArray[i_max])
-        return maxOnOverflow ? (int)i_max : -1;
+        return clipToMinMax ? (int)i_max : -1;
     if ( coord < BorderArray[0] )
         return 0;
 
@@ -6978,23 +8021,22 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
         else
             i_min = median;
     }
+
     return i_max;
 }
 
 int wxGrid::YToRow( int y )
 {
     return CoordToRowOrCol(y, m_defaultRowHeight,
-                           WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, FALSE);
+                           m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
 }
 
-
 int wxGrid::XToCol( int x )
 {
     return CoordToRowOrCol(x, m_defaultColWidth,
-                           WXGRID_MIN_COL_WIDTH, m_colRights, FALSE);
+                           m_minAcceptableColWidth, m_colRights, m_numCols, false);
 }
 
-
 // return the row number that that the y coord is near the edge of, or
 // -1 if not near an edge
 //
@@ -7009,14 +8051,13 @@ int wxGrid::YToEdgeOfRow( int y )
         // close enough to lower or upper border, respectively.
         if ( abs(GetRowBottom(i) - y) < WXGRID_LABEL_EDGE_ZONE )
             return i;
-        else if( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
+        else if ( i > 0 && y - GetRowTop(i) < WXGRID_LABEL_EDGE_ZONE )
             return i - 1;
     }
 
     return -1;
 }
 
-
 // return the col number that that the x coord is near the edge of, or
 // -1 if not near an edge
 //
@@ -7031,14 +8072,13 @@ int wxGrid::XToEdgeOfCol( int x )
         // close enough to right or left border, respectively.
         if ( abs(GetColRight(i) - x) < WXGRID_LABEL_EDGE_ZONE )
             return i;
-        else if( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
+        else if ( i > 0 && x - GetColLeft(i) < WXGRID_LABEL_EDGE_ZONE )
             return i - 1;
     }
 
     return -1;
 }
 
-
 wxRect wxGrid::CellToRect( int row, int col )
 {
     wxRect rect( -1, -1, -1, -1 );
@@ -7046,21 +8086,32 @@ wxRect wxGrid::CellToRect( int row, int col )
     if ( row >= 0  &&  row < m_numRows  &&
          col >= 0  &&  col < m_numCols )
     {
+        int i, cell_rows, cell_cols;
+        rect.width = rect.height = 0;
+        GetCellSize( row, col, &cell_rows, &cell_cols );
+        // if negative then find multicell owner
+        if (cell_rows < 0) row += cell_rows;
+        if (cell_cols < 0) col += cell_cols;
+        GetCellSize( row, col, &cell_rows, &cell_cols );
+
         rect.x = GetColLeft(col);
         rect.y = GetRowTop(row);
-        rect.width = GetColWidth(col);
-        rect.height = GetRowHeight(row);
+        for (i=col; i<col+cell_cols; i++)
+            rect.width  += GetColWidth(i);
+        for (i=row; i<row+cell_rows; i++)
+            rect.height += GetRowHeight(i);
     }
 
     // if grid lines are enabled, then the area of the cell is a bit smaller
-    if (m_gridLinesEnabled) {
+    if (m_gridLinesEnabled)
+    {
         rect.width -= 1;
         rect.height -= 1;
     }
+
     return rect;
 }
 
-
 bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
 {
     // get the cell rectangle in logical coords
@@ -7094,13 +8145,11 @@ bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
     }
 }
 
-
 // make the specified cell location visible by doing a minimal amount
 // of scrolling
 //
 void wxGrid::MakeCellVisible( int row, int col )
 {
-
     int i;
     int xpos = -1, ypos = -1;
 
@@ -7144,7 +8193,7 @@ void wxGrid::MakeCellVisible( int row, int col )
             //
             // Sometimes GRID_SCROLL_LINE/2 is not enough, so just add a full
             // scroll unit...
-            ypos += GRID_SCROLL_LINE_Y;
+            ypos += m_scrollLineY;
         }
 
         if ( left < 0 )
@@ -7153,28 +8202,21 @@ void wxGrid::MakeCellVisible( int row, int col )
         }
         else if ( right > cw )
         {
-            int w = r.GetWidth();
-            xpos = r.GetLeft();
-            for ( i = col-1;  i >= 0;  i-- )
-            {
-                int colWidth = GetColWidth(i);
-                if ( w + colWidth > cw )
-                    break;
-
-                w += colWidth;
-                xpos -= colWidth;
-            }
+            // position the view so that the cell is on the right
+            int x0, y0;
+            CalcUnscrolledPosition(0, 0, &x0, &y0);
+            xpos = x0 + (right - cw);
 
             // see comment for ypos above
-            xpos += GRID_SCROLL_LINE_X;
+            xpos += m_scrollLineX;
         }
 
         if ( xpos != -1  ||  ypos != -1 )
         {
             if ( xpos != -1 )
-                xpos /= GRID_SCROLL_LINE_X;
+                xpos /= m_scrollLineX;
             if ( ypos != -1 )
-                ypos /= GRID_SCROLL_LINE_Y;
+                ypos /= m_scrollLineY;
             Scroll( xpos, ypos );
             AdjustScrollbars();
         }
@@ -7212,11 +8254,12 @@ bool wxGrid::MoveCursorUp( bool expandSelection )
                             m_currentCellCoords.GetCol() );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -7246,14 +8289,14 @@ bool wxGrid::MoveCursorDown( bool expandSelection )
                             m_currentCellCoords.GetCol() );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MoveCursorLeft( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
@@ -7280,14 +8323,14 @@ bool wxGrid::MoveCursorLeft( bool expandSelection )
                             m_currentCellCoords.GetCol() - 1 );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MoveCursorRight( bool expandSelection )
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
@@ -7314,17 +8357,18 @@ bool wxGrid::MoveCursorRight( bool expandSelection )
                             m_currentCellCoords.GetCol() + 1 );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
-
 bool wxGrid::MovePageUp()
 {
-    if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
+    if ( m_currentCellCoords == wxGridNoCellCoords )
+        return false;
 
     int row = m_currentCellCoords.GetRow();
     if ( row > 0 )
@@ -7333,53 +8377,49 @@ bool wxGrid::MovePageUp()
         m_gridWin->GetClientSize( &cw, &ch );
 
         int y = GetRowTop(row);
-        int newRow = YToRow( y - ch + 1 );
-        if ( newRow == -1 )
-        {
-            newRow = 0;
-        }
-        else if ( newRow == row )
+        int newRow = internalYToRow( y - ch + 1 );
+
+        if ( newRow == row )
         {
+            //row > 0 , so newrow can never be less than 0 here.
             newRow = row - 1;
         }
 
         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MovePageDown()
 {
-    if ( m_currentCellCoords == wxGridNoCellCoords ) return FALSE;
+    if ( m_currentCellCoords == wxGridNoCellCoords )
+        return false;
 
     int row = m_currentCellCoords.GetRow();
-    if ( row < m_numRows )
+    if ( (row+1) < m_numRows )
     {
         int cw, ch;
         m_gridWin->GetClientSize( &cw, &ch );
 
         int y = GetRowTop(row);
-        int newRow = YToRow( y + ch );
-        if ( newRow == -1 )
-        {
-            newRow = m_numRows - 1;
-        }
-        else if ( newRow == row )
+        int newRow = internalYToRow( y + ch );
+        if ( newRow == row )
         {
+            // row < m_numRows , so newrow can't overflow here.
             newRow = row + 1;
         }
 
         MakeCellVisible( newRow, m_currentCellCoords.GetCol() );
         SetCurrentCell( newRow, m_currentCellCoords.GetCol() );
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorUpBlock( bool expandSelection )
@@ -7399,7 +8439,8 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             while ( row > 0 )
             {
                 row-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row-1, col) )
@@ -7410,7 +8451,8 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             while ( row > 0 )
             {
                 row-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -7439,10 +8481,11 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             ClearSelection();
             SetCurrentCell( row, col );
         }
-        return TRUE;
+
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
@@ -7462,7 +8505,8 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             while ( row < m_numRows-1 )
             {
                 row++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row+1, col) )
@@ -7473,7 +8517,8 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             while ( row < m_numRows-1 )
             {
                 row++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -7503,10 +8548,10 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
@@ -7526,7 +8571,8 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             while ( col > 0 )
             {
                 col-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row, col-1) )
@@ -7537,7 +8583,8 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             while ( col > 0 )
             {
                 col-- ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -7567,10 +8614,10 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
@@ -7590,7 +8637,8 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             while ( col < m_numCols-1 )
             {
                 col++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else if ( m_table->IsEmptyCell(row, col+1) )
@@ -7601,7 +8649,8 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             while ( col < m_numCols-1 )
             {
                 col++ ;
-                if ( !(m_table->IsEmptyCell(row, col)) ) break;
+                if ( !(m_table->IsEmptyCell(row, col)) )
+                    break;
             }
         }
         else
@@ -7631,10 +8680,10 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -7655,6 +8704,11 @@ void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
     *vert  = m_colLabelVertAlign;
 }
 
+int wxGrid::GetColLabelTextOrientation()
+{
+    return m_colLabelTextOrientation;
+}
+
 wxString wxGrid::GetRowLabelValue( int row )
 {
     if ( m_table )
@@ -7691,18 +8745,18 @@ void wxGrid::SetRowLabelSize( int width )
     {
         if ( width == 0 )
         {
-            m_rowLabelWin->Show( FALSE );
-            m_cornerLabelWin->Show( FALSE );
+            m_rowLabelWin->Show( false );
+            m_cornerLabelWin->Show( false );
         }
         else if ( m_rowLabelWidth == 0 )
         {
-            m_rowLabelWin->Show( TRUE );
-            if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( TRUE );
+            m_rowLabelWin->Show( true );
+            if ( m_colLabelHeight > 0 ) m_cornerLabelWin->Show( true );
         }
 
         m_rowLabelWidth = width;
         CalcWindowSizes();
-        Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -7714,18 +8768,18 @@ void wxGrid::SetColLabelSize( int height )
     {
         if ( height == 0 )
         {
-            m_colLabelWin->Show( FALSE );
-            m_cornerLabelWin->Show( FALSE );
+            m_colLabelWin->Show( false );
+            m_cornerLabelWin->Show( false );
         }
         else if ( m_colLabelHeight == 0 )
         {
-            m_colLabelWin->Show( TRUE );
-            if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( TRUE );
+            m_colLabelWin->Show( true );
+            if ( m_rowLabelWidth > 0 ) m_cornerLabelWin->Show( true );
         }
 
         m_colLabelHeight = height;
         CalcWindowSizes();
-        Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -7837,6 +8891,26 @@ void wxGrid::SetColLabelAlignment( int horiz, int vert )
     }
 }
 
+// Note: under MSW, the default column label font must be changed because it
+//       does not support vertical printing
+//
+// Example: wxFont font(9, wxSWISS, wxNORMAL, wxBOLD);
+//                      pGrid->SetLabelFont(font);
+//                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
+//
+void wxGrid::SetColLabelTextOrientation( int textOrientation )
+{
+    if ( textOrientation == wxHORIZONTAL || textOrientation == wxVERTICAL )
+    {
+        m_colLabelTextOrientation = textOrientation;
+    }
+
+    if ( !GetBatchCount() )
+    {
+        m_colLabelWin->Refresh();
+    }
+}
+
 void wxGrid::SetRowLabelValue( int row, const wxString& s )
 {
     if ( m_table )
@@ -7850,7 +8924,7 @@ void wxGrid::SetRowLabelValue( int row, const wxString& s )
                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
                 rect.x = 0;
                 rect.width = m_rowLabelWidth;
-                m_rowLabelWin->Refresh( TRUE, &rect );
+                m_rowLabelWin->Refresh( true, &rect );
             }
         }
     }
@@ -7869,7 +8943,7 @@ void wxGrid::SetColLabelValue( int col, const wxString& s )
                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
                 rect.y = 0;
                 rect.height = m_colLabelHeight;
-                m_colLabelWin->Refresh( TRUE, &rect );
+                m_colLabelWin->Refresh( true, &rect );
             }
         }
     }
@@ -7904,7 +8978,8 @@ void wxGrid::SetCellHighlightColour( const wxColour& colour )
 
 void wxGrid::SetCellHighlightPenWidth(int width)
 {
-    if (m_cellHighlightPenWidth != width) {
+    if (m_cellHighlightPenWidth != width)
+    {
         m_cellHighlightPenWidth = width;
 
         // Just redrawing the cell highlight is not enough since that won't
@@ -7914,13 +8989,14 @@ void wxGrid::SetCellHighlightPenWidth(int width)
         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
             return;
         wxRect rect = CellToRect(row, col);
-        m_gridWin->Refresh(TRUE, &rect);
+        m_gridWin->Refresh(true, &rect);
     }
 }
 
 void wxGrid::SetCellHighlightROPenWidth(int width)
 {
-    if (m_cellHighlightROPenWidth != width) {
+    if (m_cellHighlightROPenWidth != width)
+    {
         m_cellHighlightROPenWidth = width;
 
         // Just redrawing the cell highlight is not enough since that won't
@@ -7930,7 +9006,7 @@ void wxGrid::SetCellHighlightROPenWidth(int width)
         if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
             return;
         wxRect rect = CellToRect(row, col);
-        m_gridWin->Refresh(TRUE, &rect);
+        m_gridWin->Refresh(true, &rect);
     }
 }
 
@@ -8008,19 +9084,34 @@ void wxGrid::SetDefaultCellAlignment( int horiz, int vert )
     m_defaultCellAttr->SetAlignment(horiz, vert);
 }
 
+void wxGrid::SetDefaultCellOverflow( bool allow )
+{
+    m_defaultCellAttr->SetOverflow(allow);
+}
+
 void wxGrid::SetDefaultCellFont( const wxFont& font )
 {
     m_defaultCellAttr->SetFont(font);
 }
 
+
+// For editors and renderers the type registry takes precedence over the
+// default attr, so we need to register the new editor/renderer for the string
+// data type in order to make setting a default editor/renderer appear to
+// work correctly.
+
 void wxGrid::SetDefaultRenderer(wxGridCellRenderer *renderer)
 {
-    m_defaultCellAttr->SetRenderer(renderer);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     renderer,
+                     GetDefaultEditorForType(wxGRID_VALUE_STRING));
 }
 
 void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
 {
-    m_defaultCellAttr->SetEditor(editor);
+    RegisterDataType(wxGRID_VALUE_STRING,
+                     GetDefaultRendererForType(wxGRID_VALUE_STRING),
+                     editor);
 }
 
 // ----------------------------------------------------------------------------
@@ -8047,6 +9138,11 @@ void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
     m_defaultCellAttr->GetAlignment(horiz, vert);
 }
 
+bool wxGrid::GetDefaultCellOverflow()
+{
+    return m_defaultCellAttr->GetOverflow();
+}
+
 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
 {
     return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
@@ -8054,7 +9150,7 @@ wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
 
 wxGridCellEditor *wxGrid::GetDefaultEditor() const
 {
-    return m_defaultCellAttr->GetEditor(NULL,0,0);
+    return m_defaultCellAttr->GetEditor(NULL, 0, 0);
 }
 
 // ----------------------------------------------------------------------------
@@ -8092,6 +9188,22 @@ void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
     attr->DecRef();
 }
 
+bool wxGrid::GetCellOverflow( int row, int col )
+{
+    wxGridCellAttr *attr = GetCellAttr(row, col);
+    bool allow = attr->GetOverflow();
+    attr->DecRef();
+
+    return allow;
+}
+
+void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
+{
+    wxGridCellAttr *attr = GetCellAttr(row, col);
+    attr->GetSize( num_rows, num_cols );
+    attr->DecRef();
+}
+
 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
 {
     wxGridCellAttr* attr = GetCellAttr(row, col);
@@ -8115,6 +9227,7 @@ bool wxGrid::IsReadOnly(int row, int col) const
     wxGridCellAttr* attr = GetCellAttr(row, col);
     bool isReadOnly = attr->IsReadOnly();
     attr->DecRef();
+
     return isReadOnly;
 }
 
@@ -8126,7 +9239,7 @@ bool wxGrid::CanHaveAttributes()
 {
     if ( !m_table )
     {
-        return FALSE;
+        return false;
     }
 
     return m_table->CanHaveAttributes();
@@ -8144,13 +9257,16 @@ void wxGrid::ClearAttrCache()
 
 void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
 {
-    wxGrid *self = (wxGrid *)this;  // const_cast
+    if ( attr != NULL )
+    {
+        wxGrid *self = (wxGrid *)this;  // const_cast
 
-    self->ClearAttrCache();
-    self->m_attrCache.row = row;
-    self->m_attrCache.col = col;
-    self->m_attrCache.attr = attr;
-    wxSafeIncRef(attr);
+        self->ClearAttrCache();
+        self->m_attrCache.row = row;
+        self->m_attrCache.col = col;
+        self->m_attrCache.attr = attr;
+        wxSafeIncRef(attr);
+    }
 }
 
 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
@@ -8164,25 +9280,33 @@ bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
         gs_nAttrCacheHits++;
 #endif
 
-        return TRUE;
+        return true;
     }
     else
     {
 #ifdef DEBUG_ATTR_CACHE
         gs_nAttrCacheMisses++;
 #endif
-        return FALSE;
+
+        return false;
     }
 }
 
 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
 {
-    wxGridCellAttr *attr;
-    if ( !LookupAttr(row, col, &attr) )
+    wxGridCellAttr *attr = NULL;
+    // Additional test to avoid looking at the cache e.g. for
+    // wxNoCellCoords, as this will confuse memory management.
+    if ( row >= 0 )
     {
-        attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any) : (wxGridCellAttr *)NULL;
-        CacheAttr(row, col, attr);
+        if ( !LookupAttr(row, col, &attr) )
+        {
+            attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
+                           : (wxGridCellAttr *)NULL;
+            CacheAttr(row, col, attr);
+        }
     }
+
     if (attr)
     {
         attr->SetDefAttr(m_defaultCellAttr);
@@ -8199,9 +9323,10 @@ wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
 wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
 {
     wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
+    bool canHave = ((wxGrid*)this)->CanHaveAttributes();
 
-    wxCHECK_MSG( m_table, attr,
-                  _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );
+    wxCHECK_MSG( canHave, attr, _T("Cell attributes not allowed"));
+    wxCHECK_MSG( m_table, attr, _T("must have a table") );
 
     attr = m_table->GetAttr(row, col, wxGridCellAttr::Cell);
     if ( !attr )
@@ -8243,10 +9368,8 @@ void wxGrid::SetColFormatFloat(int col, int width, int precision)
 
 void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
 {
-    wxGridCellAttr *attr = (wxGridCellAttr *)NULL;
-
-    attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
-    if(!attr)
+    wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
+    if (!attr)
         attr = new wxGridCellAttr;
     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
     attr->SetRenderer(renderer);
@@ -8259,6 +9382,19 @@ void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
 // setting cell attributes: this is forwarded to the table
 // ----------------------------------------------------------------------------
 
+void wxGrid::SetAttr(int row, int col, wxGridCellAttr *attr)
+{
+    if ( CanHaveAttributes() )
+    {
+        m_table->SetAttr(attr, row, col);
+        ClearAttrCache();
+    }
+    else
+    {
+        wxSafeDecRef(attr);
+    }
+}
+
 void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
 {
     if ( CanHaveAttributes() )
@@ -8325,6 +9461,75 @@ void wxGrid::SetCellAlignment( int row, int col, int horiz, int vert )
     }
 }
 
+void wxGrid::SetCellOverflow( int row, int col, bool allow )
+{
+    if ( CanHaveAttributes() )
+    {
+        wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+        attr->SetOverflow(allow);
+        attr->DecRef();
+    }
+}
+
+void wxGrid::SetCellSize( int row, int col, int num_rows, int num_cols )
+{
+    if ( CanHaveAttributes() )
+    {
+        int cell_rows, cell_cols;
+
+        wxGridCellAttr *attr = GetOrCreateCellAttr(row, col);
+        attr->GetSize(&cell_rows, &cell_cols);
+        attr->SetSize(num_rows, num_cols);
+        attr->DecRef();
+
+        // Cannot set the size of a cell to 0 or negative values
+        // While it is perfectly legal to do that, this function cannot
+        // handle all the possibilies, do it by hand by getting the CellAttr.
+        // You can only set the size of a cell to 1,1 or greater with this fn
+        wxASSERT_MSG( !((cell_rows < 1) || (cell_cols < 1)),
+                      wxT("wxGrid::SetCellSize setting cell size that is already part of another cell"));
+        wxASSERT_MSG( !((num_rows < 1) || (num_cols < 1)),
+                      wxT("wxGrid::SetCellSize setting cell size to < 1"));
+
+        // if this was already a multicell then "turn off" the other cells first
+        if ((cell_rows > 1) || (cell_rows > 1))
+        {
+            int i, j;
+            for (j=row; j<row+cell_rows; j++)
+            {
+                for (i=col; i<col+cell_cols; i++)
+                {
+                    if ((i != col) || (j != row))
+                    {
+                        wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
+                        attr_stub->SetSize( 1, 1 );
+                        attr_stub->DecRef();
+                    }
+                }
+            }
+        }
+
+        // mark the cells that will be covered by this cell to
+        // negative or zero values to point back at this cell
+        if (((num_rows > 1) || (num_cols > 1)) && (num_rows >= 1) && (num_cols >= 1))
+        {
+            int i, j;
+            for (j=row; j<row+num_rows; j++)
+            {
+                for (i=col; i<col+num_cols; i++)
+                {
+                    if ((i != col) || (j != row))
+                    {
+                        wxGridCellAttr *attr_stub = GetOrCreateCellAttr(j, i);
+                        attr_stub->SetSize( row-j, col-i );
+                        attr_stub->DecRef();
+                    }
+                }
+            }
+        }
+    }
+}
+
 void wxGrid::SetCellRenderer(int row, int col, wxGridCellRenderer *renderer)
 {
     if ( CanHaveAttributes() )
@@ -8385,7 +9590,10 @@ wxGrid::GetDefaultEditorForType(const wxString& typeName) const
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
-        wxFAIL_MSG(wxT("Unknown data type name"));
+    wxString	errStr;
+
+        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
+        wxFAIL_MSG(errStr.c_str());
 
         return NULL;
     }
@@ -8399,7 +9607,10 @@ wxGrid::GetDefaultRendererForType(const wxString& typeName) const
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
-        wxFAIL_MSG(wxT("Unknown data type name"));
+    wxString	errStr;
+
+        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
+        wxFAIL_MSG(errStr.c_str());
 
         return NULL;
     }
@@ -8417,7 +9628,6 @@ void wxGrid::EnableDragRowSize( bool enable )
     m_canDragRowSize = enable;
 }
 
-
 void wxGrid::EnableDragColSize( bool enable )
 {
     m_canDragColSize = enable;
@@ -8428,10 +9638,14 @@ void wxGrid::EnableDragGridSize( bool enable )
     m_canDragGridSize = enable;
 }
 
+void wxGrid::EnableDragCell( bool enable )
+{
+    m_canDragCell = enable;
+}
 
 void wxGrid::SetDefaultRowSize( int height, bool resizeExistingRows )
 {
-    m_defaultRowHeight = wxMax( height, WXGRID_MIN_ROW_HEIGHT );
+    m_defaultRowHeight = wxMax( height, m_minAcceptableRowHeight );
 
     if ( resizeExistingRows )
     {
@@ -8450,6 +9664,10 @@ void wxGrid::SetRowSize( int row, int height )
 {
     wxCHECK_RET( row >= 0 && row < m_numRows, _T("invalid row index") );
 
+    // See comment in SetColSize
+    if ( height < GetRowMinimalAcceptableHeight())
+        return;
+
     if ( m_rowHeights.IsEmpty() )
     {
         // need to really create the array
@@ -8471,7 +9689,7 @@ void wxGrid::SetRowSize( int row, int height )
 
 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
 {
-    m_defaultColWidth = wxMax( width, WXGRID_MIN_COL_WIDTH );
+    m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
 
     if ( resizeExistingCols )
     {
@@ -8491,6 +9709,15 @@ void wxGrid::SetColSize( int col, int width )
     wxCHECK_RET( col >= 0 && col < m_numCols, _T("invalid column index") );
 
     // should we check that it's bigger than GetColMinimalWidth(col) here?
+    //                                                                 (VZ)
+    // No, because it is reasonable to assume the library user know's
+    // what he is doing. However whe should test against the weaker
+    // constariant of minimalAcceptableWidth, as this breaks rendering
+    //
+    // This test then fixes sf.net bug #645734
+
+    if ( width < GetColMinimalAcceptableWidth())
+        return;
 
     if ( m_colWidths.IsEmpty() )
     {
@@ -8498,6 +9725,17 @@ void wxGrid::SetColSize( int col, int width )
         InitColWidths();
     }
 
+    // if < 0 calc new width from label
+    if ( width < 0 )
+    {
+      long w, h;
+      wxArrayString lines;
+      wxClientDC dc(m_colLabelWin);
+      dc.SetFont(GetLabelFont());
+      StringToLines(GetColLabelValue(col), lines);
+      GetTextBoxSize(dc, lines, &w, &h);
+      width = w + 6;
+    }
     int w = wxMax( 0, width );
     int diff = w - m_colWidths[col];
     m_colWidths[col] = w;
@@ -8511,27 +9749,64 @@ void wxGrid::SetColSize( int col, int width )
         CalcDimensions();
 }
 
-
 void wxGrid::SetColMinimalWidth( int col, int width )
 {
-    m_colMinWidths.Put(col, width);
+    if (width > GetColMinimalAcceptableWidth())
+    {
+        wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
+        m_colMinWidths[key] = width;
+    }
 }
 
 void wxGrid::SetRowMinimalHeight( int row, int width )
 {
-    m_rowMinHeights.Put(row, width);
+    if (width > GetRowMinimalAcceptableHeight())
+    {
+        wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
+        m_rowMinHeights[key] = width;
+    }
 }
 
 int wxGrid::GetColMinimalWidth(int col) const
 {
-    long value = m_colMinWidths.Get(col);
-    return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
+    wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)col;
+    wxLongToLongHashMap::const_iterator it = m_colMinWidths.find(key);
+    return it != m_colMinWidths.end() ? (int)it->second : m_minAcceptableColWidth;
 }
 
 int wxGrid::GetRowMinimalHeight(int row) const
 {
-    long value = m_rowMinHeights.Get(row);
-    return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
+    wxLongToLongHashMap::key_type key = (wxLongToLongHashMap::key_type)row;
+    wxLongToLongHashMap::const_iterator it = m_rowMinHeights.find(key);
+    return it != m_rowMinHeights.end() ? (int)it->second : m_minAcceptableRowHeight;
+}
+
+void wxGrid::SetColMinimalAcceptableWidth( int width )
+{
+    // We do allow a width of 0 since this gives us
+    // an easy way to temporarily hidding columns.
+    if ( width < 0 )
+        return;
+    m_minAcceptableColWidth = width;
+}
+
+void wxGrid::SetRowMinimalAcceptableHeight( int height )
+{
+    // We do allow a height of 0 since this gives us
+    // an easy way to temporarily hidding rows.
+    if ( height < 0 )
+        return;
+    m_minAcceptableRowHeight = height;
+}
+
+int  wxGrid::GetColMinimalAcceptableWidth() const
+{
+    return m_minAcceptableColWidth;
+}
+
+int  wxGrid::GetRowMinimalAcceptableHeight() const
+{
+    return m_minAcceptableRowHeight;
 }
 
 // ----------------------------------------------------------------------------
@@ -8542,6 +9817,10 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 {
     wxClientDC dc(m_gridWin);
 
+    //Cancel editting of cell
+    HideCellEditControl();
+    SaveEditControlValue();
+
     // init both of them to avoid compiler warnings, even if weo nly need one
     int row = -1,
         col = -1;
@@ -8581,7 +9860,11 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     dc.SetFont( GetLabelFont() );
 
     if ( column )
+    {
         dc.GetTextExtent( GetColLabelValue(col), &w, &h );
+        if ( GetColLabelTextOrientation() == wxVERTICAL )
+            w = h;
+    }
     else
         dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
 
@@ -8622,7 +9905,7 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
             CalcScrolledPosition(rect.x, 0, &rect.x, &dummy);
             rect.width = cw - rect.x;
             rect.height = m_colLabelHeight;
-            m_colLabelWin->Refresh( TRUE, &rect );
+            m_colLabelWin->Refresh( true, &rect );
         }
     }
     else
@@ -8637,7 +9920,7 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
             rect.width = m_rowLabelWidth;
             rect.height = ch - rect.y;
-            m_rowLabelWin->Refresh( TRUE, &rect );
+            m_rowLabelWin->Refresh( true, &rect );
         }
     }
     if ( setAsMin )
@@ -8699,17 +9982,21 @@ void wxGrid::AutoSize()
 {
     BeginBatch();
 
-    wxSize size(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
+    wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
 
     // round up the size to a multiple of scroll step - this ensures that we
     // won't get the scrollbars if we're sized exactly to this width
-    wxSize sizeFit(GetScrollX(size.x) * GRID_SCROLL_LINE_X,
-                   GetScrollY(size.y) * GRID_SCROLL_LINE_Y);
+    // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
+    // scrollbar steps
+    wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
+                   GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY);
 
-    // distribute the extra space between teh columns/rows to avoid having
+    // distribute the extra space between the columns/rows to avoid having
     // extra white space
-    wxCoord diff = sizeFit.x - size.x;
-    if ( diff )
+
+    // Remove the extra m_extraWidth + 1 added above
+    wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
+    if ( diff && m_numCols )
     {
         // try to resize the columns uniformly
         wxCoord diffPerCol = diff / m_numCols;
@@ -8733,8 +10020,8 @@ void wxGrid::AutoSize()
     }
 
     // same for rows
-    diff = sizeFit.y - size.y;
-    if ( diff )
+    diff = sizeFit.y - size.y - (m_extraHeight + 1);
+    if ( diff && m_numRows )
     {
         // try to resize the columns uniformly
         wxCoord diffPerRow = diff / m_numRows;
@@ -8762,13 +10049,95 @@ void wxGrid::AutoSize()
     SetClientSize(sizeFit);
 }
 
+void wxGrid::AutoSizeRowLabelSize( int row )
+{
+    wxArrayString lines;
+    long w, h;
+
+    // Hide the edit control, so it
+    // won't interfere with drag-shrinking.
+    if ( IsCellEditControlShown() )
+    {
+        HideCellEditControl();
+        SaveEditControlValue();
+    }
+
+    // autosize row height depending on label text
+    StringToLines( GetRowLabelValue( row ), lines );
+    wxClientDC dc( m_rowLabelWin );
+    GetTextBoxSize( dc, lines, &w, &h);
+    if ( h < m_defaultRowHeight )
+        h = m_defaultRowHeight;
+    SetRowSize(row, h);
+    ForceRefresh();
+}
+
+void wxGrid::AutoSizeColLabelSize( int col )
+{
+    wxArrayString lines;
+    long w, h;
+
+    // Hide the edit control, so it
+    // won't interfer with drag-shrinking.
+    if ( IsCellEditControlShown() )
+    {
+        HideCellEditControl();
+        SaveEditControlValue();
+    }
+
+    // autosize column width depending on label text
+    StringToLines( GetColLabelValue( col ), lines );
+    wxClientDC dc( m_colLabelWin );
+    if ( GetColLabelTextOrientation() == wxHORIZONTAL )
+        GetTextBoxSize( dc, lines, &w, &h);
+    else
+        GetTextBoxSize( dc, lines, &h, &w);
+    if ( w < m_defaultColWidth )
+        w = m_defaultColWidth;
+    SetColSize(col, w);
+    ForceRefresh();
+}
+
 wxSize wxGrid::DoGetBestSize() const
 {
     // don't set sizes, only calculate them
     wxGrid *self = (wxGrid *)this;  // const_cast
 
-    return wxSize(self->SetOrCalcColumnSizes(TRUE),
-                  self->SetOrCalcRowSizes(TRUE));
+    int width, height;
+    width = self->SetOrCalcColumnSizes(true);
+    height = self->SetOrCalcRowSizes(true);
+
+    if (!width)
+        width = 100;
+    if (!height)
+        height = 80;
+
+    // Round up to a multiple the scroll rate
+    // NOTE: this still doesn't get rid  of the scrollbars;
+    // is there any magic incantation for that?
+    int xpu, ypu;
+    GetScrollPixelsPerUnit(&xpu, &ypu);
+    if (xpu)
+        width  += 1 + xpu - (width  % xpu);
+    if (ypu)
+        height += 1 + ypu - (height % ypu);
+
+    // limit to 1/4 of the screen size
+    int maxwidth, maxheight;
+    wxDisplaySize( &maxwidth, &maxheight );
+    maxwidth /= 2;
+    maxheight /= 2;
+    if ( width > maxwidth )
+        width = maxwidth;
+    if ( height > maxheight )
+        height = maxheight;
+
+    wxSize best(width, height);
+    // NOTE: This size should be cached, but first we need to add calls to
+    // InvalidateBestSize everywhere that could change the results of this
+    // calculation.
+    // CacheBestSize(size);
+    return best;
 }
 
 void wxGrid::Fit()
@@ -8776,7 +10145,6 @@ void wxGrid::Fit()
     AutoSize();
 }
 
-
 wxPen& wxGrid::GetDividerPen() const
 {
     return wxNullPen;
@@ -8793,9 +10161,12 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
         m_table->SetValue( row, col, s );
         if ( !GetBatchCount() )
         {
-            wxClientDC dc( m_gridWin );
-            PrepareDC( dc );
-            DrawCell( dc, wxGridCellCoords(row, col) );
+            int dummy;
+            wxRect rect( CellToRect( row, col ) );
+            rect.x = 0;
+            rect.width = m_gridWin->GetClientSize().GetWidth();
+            CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
+            m_gridWin->Refresh( false, &rect );
         }
 
         if ( m_currentCellCoords.GetRow() == row &&
@@ -8822,20 +10193,18 @@ void wxGrid::SelectRow( int row, bool addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectRow( row, FALSE, addToSelected );
+        m_selection->SelectRow( row, false, addToSelected );
 }
 
-
 void wxGrid::SelectCol( int col, bool addToSelected )
 {
     if ( IsSelection() && !addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectCol( col, FALSE, addToSelected );
+        m_selection->SelectCol( col, false, addToSelected );
 }
 
-
 void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
                           bool addToSelected )
 {
@@ -8844,10 +10213,9 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol,
 
     if ( m_selection )
         m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol,
-                                  FALSE, addToSelected );
+                                  false, addToSelected );
 }
 
-
 void wxGrid::SelectAll()
 {
     if ( m_numRows > 0 && m_numCols > 0 )
@@ -8916,7 +10284,7 @@ bool wxGrid::IsSelection()
                m_selectingBottomRight != wxGridNoCellCoords) ) );
 }
 
-bool wxGrid::IsInSelection( int row, int col )
+bool wxGrid::IsInSelection( int row, int col ) const
 {
     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
              ( row >= m_selectingTopLeft.GetRow() &&
@@ -8925,6 +10293,61 @@ bool wxGrid::IsInSelection( int row, int col )
                col <= m_selectingBottomRight.GetCol() )) );
 }
 
+wxGridCellCoordsArray wxGrid::GetSelectedCells() const
+{
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
+    return m_selection->m_cellSelection;
+}
+
+wxGridCellCoordsArray wxGrid::GetSelectionBlockTopLeft() const
+{
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
+    return m_selection->m_blockSelectionTopLeft;
+}
+
+wxGridCellCoordsArray wxGrid::GetSelectionBlockBottomRight() const
+{
+    if (!m_selection)
+    {
+        wxGridCellCoordsArray a;
+        return a;
+    }
+
+    return m_selection->m_blockSelectionBottomRight;
+}
+
+wxArrayInt wxGrid::GetSelectedRows() const
+{
+    if (!m_selection)
+    {
+        wxArrayInt a;
+        return a;
+    }
+
+    return m_selection->m_rowSelection;
+}
+
+wxArrayInt wxGrid::GetSelectedCols() const
+{
+    if (!m_selection)
+    {
+        wxArrayInt a;
+        return a;
+    }
+
+    return m_selection->m_colSelection;
+}
+
 void wxGrid::ClearSelection()
 {
     m_selectingTopLeft = wxGridNoCellCoords;
@@ -8950,7 +10373,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     }
     else
     {
-        rect = wxRect( 0, 0, 0, 0 );
+        rect = wxRect(0,0,0,0);
     }
 
     cellRect = CellToRect( bottomRight );
@@ -8963,17 +10386,72 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
         return wxGridNoCellRect;
     }
 
+    int i, j;
+    int left = rect.GetLeft();
+    int top = rect.GetTop();
+    int right = rect.GetRight();
+    int bottom = rect.GetBottom();
+
+    int leftCol = topLeft.GetCol();
+    int topRow = topLeft.GetRow();
+    int rightCol = bottomRight.GetCol();
+    int bottomRow = bottomRight.GetRow();
+
+    if (left > right)
+    {
+        i = left;
+        left = right;
+        right = i;
+        i = leftCol;
+        leftCol = rightCol;
+        rightCol = i;
+    }
+
+    if (top > bottom)
+    {
+        i = top;
+        top = bottom;
+        bottom = i;
+        i = topRow;
+        topRow = bottomRow;
+        bottomRow = i;
+    }
+
+
+    for ( j = topRow; j <= bottomRow; j++ )
+    {
+        for ( i = leftCol; i <= rightCol; i++ )
+        {
+            if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
+            {
+                cellRect = CellToRect( j, i );
+
+                if (cellRect.x < left)
+                    left = cellRect.x;
+                if (cellRect.y < top)
+                    top = cellRect.y;
+                if (cellRect.x + cellRect.width > right)
+                    right = cellRect.x + cellRect.width;
+                if (cellRect.y + cellRect.height > bottom)
+                    bottom = cellRect.y + cellRect.height;
+            }
+            else
+            {
+                i = rightCol; // jump over inner cells.
+            }
+        }
+    }
+
     // convert to scrolled coords
     //
-    int left, top, right, bottom;
-    CalcScrolledPosition( rect.GetLeft(), rect.GetTop(), &left, &top );
-    CalcScrolledPosition( rect.GetRight(), rect.GetBottom(), &right, &bottom );
+    CalcScrolledPosition( left, top, &left, &top );
+    CalcScrolledPosition( right, bottom, &right, &bottom );
 
     int cw, ch;
     m_gridWin->GetClientSize( &cw, &ch );
 
     if (right < 0 || bottom < 0 || left > cw || top > ch)
-        return wxRect( 0, 0, 0, 0);
+        return wxRect(0,0,0,0);
 
     rect.SetLeft( wxMax(0, left) );
     rect.SetTop( wxMax(0, top) );
@@ -8983,8 +10461,6 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     return rect;
 }
 
-
-
 //
 // ------ Grid event classes
 //
@@ -9063,8 +10539,5 @@ wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
     m_ctrl = ctrl;
 }
 
-
-#endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
-
 #endif // wxUSE_GRID