]> git.saurik.com Git - wxWidgets.git/blobdiff - src/generic/grid.cpp
check default library directories in WX_PATH_FIND_LIBRARIES; do *not* add default...
[wxWidgets.git] / src / generic / grid.cpp
index af23eb352bd6d3099da8f1a262e4a244d2180db6..3e558a168aedaea70d501ada11438ee2dece933c 100644 (file)
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "grid.h"
 #endif
 
 
 #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"
     #include "wx/checkbox.h"
     #include "wx/combobox.h"
     #include "wx/valtext.h"
+    #include "wx/intl.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 +71,8 @@
 // array classes
 // ----------------------------------------------------------------------------
 
-WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);
+WX_DEFINE_ARRAY_WITH_DECL_PTR(wxGridCellAttr *, wxArrayAttrs,
+                                 class WXDLLIMPEXP_ADV);
 
 struct wxGridCellWithAttr
 {
@@ -95,7 +94,8 @@ struct 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"
 
@@ -110,6 +110,7 @@ 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)
@@ -127,7 +128,7 @@ 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; }
@@ -142,6 +143,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
     DECLARE_EVENT_TABLE()
@@ -149,7 +151,7 @@ private:
 };
 
 
-class WXDLLEXPORT wxGridColLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
 {
 public:
     wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
@@ -164,6 +166,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
 
     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
     DECLARE_EVENT_TABLE()
@@ -171,7 +174,7 @@ private:
 };
 
 
-class WXDLLEXPORT wxGridCornerLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
 {
 public:
     wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
@@ -185,6 +188,7 @@ private:
     void OnMouseWheel( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnKeyUp( wxKeyEvent& );
+    void OnChar( wxKeyEvent& );
     void OnPaint( wxPaintEvent& event );
 
     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
@@ -192,7 +196,7 @@ private:
     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 };
 
-class WXDLLEXPORT wxGridWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
 {
 public:
     wxGridWindow()
@@ -206,7 +210,7 @@ public:
                   wxGridRowLabelWindow *rowLblWin,
                   wxGridColLabelWindow *colLblWin,
                   wxWindowID id, const wxPoint &pos, const wxSize &size );
-    ~wxGridWindow();
+    ~wxGridWindow(){}
 
     void ScrollWindow( int dx, int dy, const wxRect *rect );
 
@@ -222,8 +226,9 @@ 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()
@@ -235,27 +240,37 @@ private:
 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()
@@ -267,7 +282,7 @@ 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);
@@ -283,7 +298,7 @@ private:
 };
 
 // this class stores attributes set for rows or columns
-class WXDLLEXPORT wxGridRowOrColAttrData
+class WXDLLIMPEXP_ADV wxGridRowOrColAttrData
 {
 public:
     // empty ctor to suppress warnings
@@ -301,7 +316,7 @@ 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;
@@ -336,10 +351,11 @@ struct 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() {}
@@ -412,6 +428,7 @@ 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
 // ----------------------------------------------------------------------------
@@ -425,6 +442,7 @@ static inline int GetScrollY(int y)
 {
     return (y + GRID_SCROLL_LINE_Y - 1) / GRID_SCROLL_LINE_Y;
 }
+#endif
 
 // ============================================================================
 // implementation
@@ -462,7 +480,7 @@ void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
     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);
@@ -475,7 +493,7 @@ void wxGridCellEditor::Destroy()
 {
     if (m_control)
     {
-        m_control->PopEventHandler(TRUE /* delete it*/);
+        m_control->PopEventHandler(true /* delete it*/);
 
         m_control->Destroy();
         m_control = NULL;
@@ -499,9 +517,11 @@ 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
         }
@@ -520,12 +540,14 @@ 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
     }
 }
 
@@ -543,8 +565,40 @@ 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)
@@ -574,12 +628,15 @@ 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);
 }
@@ -657,16 +714,17 @@ 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;
 }
@@ -688,48 +746,46 @@ 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;
     }
 }
 
@@ -791,10 +847,11 @@ 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);
@@ -802,6 +859,7 @@ void wxGridCellNumberEditor::Create(wxWindow* parent,
         wxGridCellEditor::Create(parent, id, evtHandler);
     }
     else
+#endif
     {
         // just a text control
         wxGridCellTextEditor::Create(parent, id, evtHandler);
@@ -824,19 +882,21 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         m_valueOld = 0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToLong(&m_valueOld) && ! sValue.IsEmpty())
+        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());
     }
@@ -849,6 +909,7 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
     long value = 0;
     wxString text;
 
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         value = Spin()->GetValue();
@@ -857,9 +918,10 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
             text = wxString::Format(wxT("%ld"), value);
     }
     else
+#endif
     {
         text = Text()->GetValue();
-        changed = (text.IsEmpty() || text.ToLong(&value)) && (value != m_valueOld);
+        changed = (text.empty() || text.ToLong(&value)) && (value != m_valueOld);
     }
 
     if ( changed )
@@ -875,11 +937,13 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
 
 void wxGridCellNumberEditor::Reset()
 {
+#if wxUSE_SPINCTRL
     if ( HasRange() )
     {
         Spin()->SetValue((int)m_valueOld);
     }
     else
+#endif
     {
         DoReset(GetString());
     }
@@ -890,55 +954,22 @@ 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 = event.GetKeyCode();
-        if ( isdigit(keycode) || keycode == '+' || keycode == '-'
-            || keycode ==  WXK_NUMPAD0
-            || keycode ==  WXK_NUMPAD1
-            || keycode ==  WXK_NUMPAD2
-            || keycode ==  WXK_NUMPAD3
-            || keycode ==  WXK_NUMPAD4
-            || keycode ==  WXK_NUMPAD5
-            || keycode ==  WXK_NUMPAD6
-            || keycode ==  WXK_NUMPAD7
-            || keycode ==  WXK_NUMPAD8
-            || keycode ==  WXK_NUMPAD9
-            || keycode ==  WXK_ADD
-            || keycode ==  WXK_NUMPAD_ADD
-            || keycode ==  WXK_SUBTRACT
-            || keycode ==  WXK_NUMPAD_SUBTRACT)
+        if ( wxIsdigit(keycode) || keycode == '+' || keycode == '-')
         {
             wxGridCellTextEditor::StartingKey(event);
 
@@ -946,7 +977,18 @@ 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();
 }
 
@@ -981,18 +1023,21 @@ 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;
+    wxString s;
 
-  if( HasRange() )
-  {
-    long value = Spin()->GetValue();
-    s.Printf(wxT("%ld"), value);
-  }
-  else
-  {
-    s = Text()->GetValue();
-  }
-  return s;
+#if wxUSE_SPINCTRL
+    if( HasRange() )
+    {
+        long value = Spin()->GetValue();
+        s.Printf(wxT("%ld"), value);
+    }
+    else
+#endif
+    {
+        s = Text()->GetValue();
+    }
+
+    return s;
 }
 
 // ----------------------------------------------------------------------------
@@ -1028,7 +1073,7 @@ void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         m_valueOld = 0.0;
         wxString sValue = table->GetValue(row, col);
-        if (! sValue.ToDouble(&m_valueOld) && ! sValue.IsEmpty())
+        if (! sValue.ToDouble(&m_valueOld) && ! sValue.empty())
         {
             wxFAIL_MSG( _T("this cell doesn't have float value") );
             return;
@@ -1044,16 +1089,16 @@ bool wxGridCellFloatEditor::EndEdit(int row, int col,
     double value = 0.0;
     wxString text(Text()->GetValue());
 
-    if ( (text.IsEmpty() || text.ToDouble(&value)) && (value != m_valueOld) )
+    if ( (text.empty() || text.ToDouble(&value)) && (value != m_valueOld) )
     {
         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
             grid->GetTable()->SetValueAsDouble(row, col, value);
         else
             grid->GetTable()->SetValue(row, col, text);
 
-        return TRUE;
+        return true;
     }
-    return FALSE;
+    return false;
 }
 
 void wxGridCellFloatEditor::Reset()
@@ -1064,21 +1109,18 @@ void wxGridCellFloatEditor::Reset()
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
     int keycode = event.GetKeyCode();
-        if ( isdigit(keycode) || keycode == '+' || keycode == '-' || keycode == '.'
-            || keycode ==  WXK_NUMPAD0
-            || keycode ==  WXK_NUMPAD1
-            || keycode ==  WXK_NUMPAD2
-            || keycode ==  WXK_NUMPAD3
-            || keycode ==  WXK_NUMPAD4
-            || keycode ==  WXK_NUMPAD5
-            || keycode ==  WXK_NUMPAD6
-            || keycode ==  WXK_NUMPAD7
-            || keycode ==  WXK_NUMPAD8
-            || keycode ==  WXK_NUMPAD9
-            || keycode ==  WXK_ADD
-            || keycode ==  WXK_NUMPAD_ADD
-            || keycode ==  WXK_SUBTRACT
-            || keycode ==  WXK_NUMPAD_SUBTRACT)
+    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);
 
@@ -1143,35 +1185,26 @@ 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
@@ -1195,7 +1228,7 @@ 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);
 
@@ -1206,7 +1239,7 @@ 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 )
@@ -1214,7 +1247,7 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
         // leave 1 pixel margin
         size.x = size.y = minSize - 2;
 
-        resize = TRUE;
+        resize = true;
     }
 
     if ( resize )
@@ -1295,10 +1328,10 @@ 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 )
     {
@@ -1331,22 +1364,36 @@ 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
 {
@@ -1362,6 +1409,11 @@ wxString wxGridCellBoolEditor::GetValue() const
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 
+wxGridCellChoiceEditor::wxGridCellChoiceEditor(const wxArrayString& choices,
+                                               bool allowOthers)
+    : m_choices(choices),
+      m_allowOthers(allowOthers) { }
+
 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
                                                const wxString choices[],
                                                bool allowOthers)
@@ -1390,20 +1442,11 @@ 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);
 }
 
@@ -1424,6 +1467,14 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
     wxASSERT_MSG(m_control,
                  wxT("The wxGridCellEditor must be Created first!"));
 
+    wxGridCellEditorEvtHandler* evtHandler = NULL;
+    if (m_control)
+        evtHandler = wxDynamicCast(m_control->GetEventHandler(), wxGridCellEditorEvtHandler);
+
+    // Don't immediately end if we get a kill focus event within BeginEdit
+    if (evtHandler)
+        evtHandler->SetInSetFocus(true);
+
     m_startValue = grid->GetTable()->GetValue(row, col);
 
     if (m_allowOthers)
@@ -1432,30 +1483,27 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
     {
         // find the right position, or default to the first if not found
         int pos = Combo()->FindString(m_startValue);
-        if (pos == -1)
+        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 ( value == m_startValue )
+        return false;
 
-    if ( changed )
-        grid->GetTable()->SetValue(row, col, value);
-
-    m_startValue = wxEmptyString;
-    if (m_allowOthers)
-        Combo()->SetValue(m_startValue);
-    else
-        Combo()->SetSelection(0);
+    grid->GetTable()->SetValue(row, col, value);
 
-    return changed;
+    return true;
 }
 
 void wxGridCellChoiceEditor::Reset()
@@ -1493,6 +1541,18 @@ wxString wxGridCellChoiceEditor::GetValue() const
 // wxGridCellEditorEvtHandler
 // ----------------------------------------------------------------------------
 
+void wxGridCellEditorEvtHandler::OnKillFocus(wxFocusEvent& event)
+{
+    // Don't disable the cell if we're just starting to edit it
+    if (m_inSetFocus)
+        return;
+
+    // accept changes
+    m_grid->DisableCellEditControl();
+
+    event.Skip();
+}
+
 void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
 {
     switch ( event.GetKeyCode() )
@@ -1512,7 +1572,6 @@ void wxGridCellEditorEvtHandler::OnKeyDown(wxKeyEvent& event)
                 m_editor->HandleReturn(event);
             break;
 
-
         default:
             event.Skip();
     }
@@ -1567,18 +1626,18 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
     // grey out fields if the grid is disabled
     if( grid.IsEnabled() )
     {
-      if ( isSelected )
-      {
-          dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
-      }
-      else
-      {
-          dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
-      }
+        if ( isSelected )
+        {
+            dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+        }
+        else
+        {
+            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+        }
     }
     else
     {
-      dc.SetBrush(wxBrush(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
+        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
     }
 
     dc.SetPen( *wxTRANSPARENT_PEN );
@@ -1614,8 +1673,8 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(wxGrid& grid,
     }
     else
     {
-      dc.SetTextBackground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_BTNFACE));
-      dc.SetTextForeground(wxSystemSettings::GetSystemColour(wxSYS_COLOUR_GRAYTEXT));
+      dc.SetTextBackground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+      dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_GRAYTEXT));
     }
 
     dc.SetFont( attr.GetFont() );
@@ -1676,7 +1735,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
             int i, c_cols, c_rows;
             for (i = col+cell_cols; i < cols; i++)
             {
-                bool is_empty = TRUE;
+                bool is_empty = true;
                 for (int j=row; j<row+cell_rows; j++)
                 {
                     // check w/ anchor cell for multicell block
@@ -1684,7 +1743,7 @@ void wxGridCellStringRenderer::Draw(wxGrid& grid,
                     if (c_rows > 0) c_rows = 0;
                     if (!grid.GetTable()->IsEmptyCell(j+c_rows, i))
                     {
-                        is_empty = FALSE;
+                        is_empty = false;
                         break;
                     }
                 }
@@ -1818,7 +1877,7 @@ 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
     {
@@ -1902,7 +1961,7 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
     else
     {
         wxString tmp = params.BeforeFirst(_T(','));
-        if ( !!tmp )
+        if ( !tmp.empty() )
         {
             long width;
             if ( tmp.ToLong(&width) )
@@ -1913,21 +1972,19 @@ 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());
-        }
-
+            }
         }
     }
 }
@@ -1954,10 +2011,9 @@ 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__)
@@ -2065,7 +2121,7 @@ void wxGridCellAttr::Init(wxGridCellAttr *attrDefault)
     m_attrkind = wxGridCellAttr::Cell;
 
     m_sizeRows = m_sizeCols = 1;
-    m_overflow = TRUE;
+    m_overflow = UnsetOverflow;
 
     SetDefAttr(attrDefault);
 }
@@ -2117,8 +2173,8 @@ void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
         mergefrom->GetAlignment( &hAlign, &vAlign);
         SetAlignment(hAlign, vAlign);
     }
-
-    mergefrom->GetSize( &m_sizeRows, &m_sizeCols );
+    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
@@ -2137,6 +2193,9 @@ void wxGridCellAttr::MergeWith(wxGridCellAttr *mergefrom)
     if ( !HasReadWriteMode()  && mergefrom->HasReadWriteMode() )
         SetReadOnly(mergefrom->IsReadOnly());
 
+    if (!HasOverflowMode()  && mergefrom->HasOverflowMode() )
+        SetOverflow(mergefrom->GetOverflow());
+
     SetDefAttr(mergefrom->m_defGridAttr);
 }
 
@@ -2399,7 +2458,9 @@ void wxGridCellAttrData::UpdateAttrRows( size_t pos, int numRows )
                 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--;
                 }
             }
@@ -2432,7 +2493,9 @@ 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--;
                 }
             }
@@ -2530,8 +2593,9 @@ void wxGridRowOrColAttrData::UpdateAttrRowsOrCols( size_t pos, int numRowsOrCols
                     rowOrCol += numRowsOrCols;
                 else
                 {
-                    m_rowsOrCols.RemoveAt((size_t)n);
-                    m_attrs.RemoveAt((size_t)n);
+                    m_rowsOrCols.RemoveAt(n);
+                    m_attrs[n]->DecRef();
+                    m_attrs.RemoveAt(n);
                     n--; count--;
                 }
             }
@@ -2574,16 +2638,12 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
                 {
                     //Basicaly 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);
 
@@ -2605,11 +2665,21 @@ 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(attrcol)
+                        {
+                            if(attr)
+                                attr->DecRef();
+                            attr = attrcol;
+                        }
+                        if(attrcell)
+                        {
+                            if(attr)
+                                attr->DecRef();
+                            attr = attrcell;
+                        }
                     }
                 }
             break;
@@ -2617,10 +2687,10 @@ wxGridCellAttr *wxGridCellAttrProvider::GetAttr(int row, int col,
                 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...
@@ -2864,7 +2934,7 @@ 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)
@@ -2875,6 +2945,7 @@ wxGridCellAttr *wxGridTableBase::GetAttr(int row, int col, wxGridCellAttr::wxAtt
         return (wxGridCellAttr *)NULL;
 }
 
+
 void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
 {
     if ( m_attrProvider )
@@ -2925,14 +2996,14 @@ 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),
@@ -2940,7 +3011,7 @@ 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),
@@ -2948,14 +3019,14 @@ 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),
@@ -2963,7 +3034,7 @@ 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;
 }
 
 
@@ -2986,7 +3057,7 @@ 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;
     }
@@ -3030,7 +3101,7 @@ 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),
@@ -3132,23 +3203,25 @@ 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);
@@ -3200,7 +3273,7 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendRows( size_t numRows )
@@ -3227,7 +3300,7 @@ bool wxGridStringTable::AppendRows( size_t numRows )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
@@ -3244,7 +3317,7 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
                         (unsigned long)curNumRows
                     ) );
 
-        return FALSE;
+        return false;
     }
 
     if ( numRows > curNumRows - pos )
@@ -3270,7 +3343,7 @@ 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 )
@@ -3303,7 +3376,7 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::AppendCols( size_t numCols )
@@ -3317,7 +3390,7 @@ 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
 
@@ -3335,7 +3408,7 @@ bool wxGridStringTable::AppendCols( size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
@@ -3355,7 +3428,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
                         (unsigned long)numCols,
                         (unsigned long)curNumCols
                     ) );
-        return FALSE;
+        return false;
     }
 
     if ( numCols > curNumCols - pos )
@@ -3384,7 +3457,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         GetView()->ProcessTableMessage( msg );
     }
 
-    return TRUE;
+    return true;
 }
 
 wxString wxGridStringTable::GetRowLabelValue( int row )
@@ -3458,12 +3531,13 @@ 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;
 }
@@ -3512,6 +3586,11 @@ 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();
+}
+
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3524,12 +3603,13 @@ 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;
 }
@@ -3577,6 +3657,10 @@ void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
 }
 
+void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
+{
+    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) ) event.Skip();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3589,12 +3673,13 @@ 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;
 }
@@ -3607,6 +3692,16 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     int client_width = 0;
     GetClientSize( &client_width, &client_height );
 
+    // 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 );
@@ -3616,6 +3711,7 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 1, 1, client_width-1, 1 );
     dc.DrawLine( 1, 1, 1, client_height-1 );
+#endif // __WXGTK__/!__WXGTK__
 }
 
 
@@ -3643,6 +3739,10 @@ 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();
+}
 
 
 //////////////////////////////////////////////////////////////////////
@@ -3655,6 +3755,9 @@ 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()
 
@@ -3664,19 +3767,13 @@ wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxWindowID id,
                             const wxPoint &pos,
                             const wxSize &size )
-            : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxCLIP_CHILDREN,
+            : 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()
-{
 }
 
 
@@ -3705,6 +3802,9 @@ void wxGridWindow::ScrollWindow( int dx, int dy, const wxRect *rect )
 
 void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
 {
+    if (event.ButtonDown(wxMOUSE_BTN_LEFT) && FindFocus() != this)
+        SetFocus();
+
     m_owner->ProcessGridCellMouseEvent( event );
 }
 
@@ -3726,10 +3826,20 @@ void wxGridWindow::OnKeyUp( wxKeyEvent& event )
     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();
+}
 
 //////////////////////////////////////////////////////////////////////
 
@@ -3742,26 +3852,87 @@ void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 
 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
                            const wxArrayInt& BorderArray, int nMax,
-                           bool maxOnOverflow);
+                           bool clipToMinMax);
 
 #define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
-                                          WXGRID_MIN_COL_WIDTH, \
-                                          m_colRights, m_numCols, TRUE)
+                                          m_minAcceptableColWidth, \
+                                          m_colRights, m_numCols, true)
 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
-                                          WXGRID_MIN_ROW_HEIGHT, \
-                                          m_rowBottoms, m_numRows, 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 (\81à 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,
@@ -3773,6 +3944,24 @@ 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;
 }
 
 
@@ -3803,14 +3992,22 @@ 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();
 
@@ -3819,13 +4016,22 @@ 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;
@@ -3840,29 +4046,50 @@ 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();
 }
 
@@ -3871,7 +4098,7 @@ 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;
@@ -3879,12 +4106,12 @@ 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;
 }
@@ -3910,16 +4137,23 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
 {
     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;
 
-        // At least, you now have to cope with m_selection
-        wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
-        return FALSE;
+        if (m_ownTable)
+        {
+            wxGridTableBase *t=m_table;
+            m_table=0;
+            delete t;
+        }
+        delete m_selection;
+
+        m_table=0;
+        m_selection=0;
+        m_numRows=0;
+        m_numCols=0;
     }
-    else
+    if (table)
     {
         m_numRows = table->GetNumberRows();
         m_numCols = table->GetNumberCols();
@@ -3927,12 +4161,12 @@ 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;
@@ -3975,6 +4209,9 @@ void wxGrid::Init()
     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
@@ -3982,22 +4219,23 @@ void wxGrid::Init()
 #endif
 
     m_gridLineColour = wxColour( 192,192,192 );
-    m_gridLinesEnabled = TRUE;
+    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 );
@@ -4009,13 +4247,16 @@ 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;
 }
 
 // ----------------------------------------------------------------------------
@@ -4138,31 +4379,14 @@ void wxGrid::CalcDimensions()
     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);
 
@@ -4174,19 +4398,24 @@ 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);
 }
 
@@ -4197,7 +4426,7 @@ 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.
@@ -4265,7 +4494,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
@@ -4301,7 +4530,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
@@ -4354,7 +4583,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_rowLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
@@ -4397,7 +4626,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             }
 
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
@@ -4432,7 +4661,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
 
         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
@@ -4485,7 +4714,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                 m_colLabelWin->Refresh();
             }
         }
-        result = TRUE;
+        result = true;
         break;
     }
 
@@ -4539,7 +4768,7 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
             rowlabels.Add( row );
         }
 
-        iter++ ;
+        ++iter;
     }
 
     return rowlabels;
@@ -4590,7 +4819,7 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
             colLabels.Add( col );
         }
 
-        iter++ ;
+        ++iter;
     }
     return colLabels;
 }
@@ -4650,7 +4879,7 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
             }
         }
 
-        iter++;
+        ++iter;
     }
 
     return cellsExposed;
@@ -4667,7 +4896,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_rowLabelWin->CaptureMouse();
         }
 
@@ -4697,6 +4926,7 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_ROW:
+                {
                     if ( (row = YToRow( y )) >= 0 )
                     {
                         if ( m_selection )
@@ -4708,6 +4938,8 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -4724,7 +4956,7 @@ 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
@@ -4795,7 +5027,11 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
         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
         {
@@ -4832,7 +5068,8 @@ 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
         }
@@ -4844,7 +5081,8 @@ 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
         }
@@ -4862,12 +5100,12 @@ 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);
         }
     }
 }
@@ -4883,7 +5121,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     {
         if (!m_isDragging)
         {
-            m_isDragging = TRUE;
+            m_isDragging = true;
             m_colLabelWin->CaptureMouse();
         }
 
@@ -4913,6 +5151,7 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_COL:
+                {
                     if ( (col = XToCol( x )) >= 0 )
                     {
                         if ( m_selection )
@@ -4924,6 +5163,8 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                                                     event.MetaDown() );
                         }
                     }
+                }
+                break;
 
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
@@ -4940,7 +5181,7 @@ 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
@@ -5010,7 +5251,11 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
         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
         {
@@ -5047,7 +5292,8 @@ 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
         }
@@ -5059,7 +5305,8 @@ 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
         }
@@ -5077,12 +5324,12 @@ 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);
         }
     }
 }
@@ -5199,6 +5446,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     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))
     {
@@ -5223,7 +5471,7 @@ 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
@@ -5249,6 +5497,19 @@ 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() )
@@ -5309,7 +5570,7 @@ 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
@@ -5396,11 +5657,17 @@ 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;
+            }
         }
+
     }
 
 
@@ -5410,15 +5677,28 @@ 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(),
@@ -5438,21 +5718,6 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 // drag-shrinking.
                 ShowCellEditControl();
             }
-            else
-            {
-              if( m_waitForSlowClick && CanEnableCellControl())
-              {
-                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_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
         {
@@ -5591,7 +5856,7 @@ 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() )
         {
@@ -5601,17 +5866,16 @@ 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;
             // 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 = XToCol(left+cw);
+                int rightCol = internalXToCol(left+cw);
                 if (leftCol >= 0)
                 {
-                    if (rightCol < 0) rightCol = m_numCols;
                     for (i=leftCol; i<rightCol; i++)
                     {
                         GetCellSize(m_dragRowOrCol, i, &cell_rows, &cell_cols);
@@ -5623,7 +5887,7 @@ void wxGrid::DoEndDragResizeRow()
                     rect.height = ch - rect.y;
                 }
             }
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         ShowCellEditControl();
@@ -5661,17 +5925,16 @@ 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;
             // 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 = YToRow(top+cw);
+                int bottomRow = internalYToRow(top+cw);
                 if (topRow >= 0)
                 {
-                    if (bottomRow < 0) bottomRow = m_numRows;
                     for (i=topRow; i<bottomRow; i++)
                     {
                         GetCellSize(i, m_dragRowOrCol, &cell_rows, &cell_cols);
@@ -5683,7 +5946,7 @@ void wxGrid::DoEndDragResizeCol()
                     rect.width = cw - rect.x;
                 }
             }
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         ShowCellEditControl();
@@ -5714,7 +5977,7 @@ bool wxGrid::ProcessTableMessage( wxGridTableMessage& msg )
             return Redimension( msg );
 
         default:
-            return FALSE;
+            return false;
     }
 }
 
@@ -5745,7 +6008,7 @@ 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 )
@@ -5753,12 +6016,13 @@ 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;
 }
 
 
@@ -5769,12 +6033,17 @@ 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;
 }
 
 
@@ -5785,7 +6054,7 @@ 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 )
@@ -5793,11 +6062,12 @@ 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;
 }
 
 
@@ -5808,7 +6078,7 @@ 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 )
@@ -5816,11 +6086,12 @@ 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;
 }
 
 
@@ -5831,12 +6102,17 @@ 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;
 }
 
 
@@ -5847,7 +6123,7 @@ 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 )
@@ -5855,11 +6131,12 @@ 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;
 }
 
 
@@ -5876,7 +6153,7 @@ 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 )
    {
@@ -5904,7 +6181,7 @@ int wxGrid::SendEvent( const wxEventType type,
                this,
                m_selectingTopLeft,
                m_selectingBottomRight,
-               TRUE,
+               true,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -5921,7 +6198,7 @@ int wxGrid::SendEvent( const wxEventType type,
                row, col,
                mouseEv.GetX() + GetRowLabelSize(),
                mouseEv.GetY() + GetColLabelSize(),
-               FALSE,
+               false,
                mouseEv.ControlDown(),
                mouseEv.ShiftDown(),
                mouseEv.AltDown(),
@@ -5943,7 +6220,7 @@ 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 )
     {
@@ -6086,7 +6363,7 @@ 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
     //
@@ -6160,8 +6437,7 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                     else
                     {
                         // at the bottom of a column
-                        HideCellEditControl();
-                        SaveEditControlValue();
+                        DisableCellEditControl();
                     }
                 }
                 break;
@@ -6175,26 +6451,24 @@ 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;
@@ -6247,55 +6521,18 @@ 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.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( editor->IsCreated() && 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 )
@@ -6314,7 +6551,7 @@ void wxGrid::OnKeyUp( wxKeyEvent& event )
                                           m_selectingBottomRight.GetRow(),
                                           m_selectingBottomRight.GetCol(),
                                           event.ControlDown(),
-                                          TRUE,
+                                          true,
                                           event.AltDown(),
                                           event.MetaDown() );
             }
@@ -6326,6 +6563,48 @@ 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&)
 {
 }
@@ -6343,10 +6622,9 @@ 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, m_currentCellCoords);
@@ -6419,7 +6697,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         wxRect rect;
         rect = BlockToDeviceRect( wxGridCellCoords ( topRow, leftCol ),
                                   wxGridCellCoords ( bottomRow, rightCol ) );
-        m_gridWin->Refresh( FALSE, &rect );
+        m_gridWin->Refresh( false, &rect );
     }
     // Now handle changing an existing selection area.
     else if ( m_selectingTopLeft != updateTopLeft ||
@@ -6433,7 +6711,7 @@ 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
@@ -6476,7 +6754,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area to the left of the old or new selection.
-            need_refresh[0] = TRUE;
+            need_refresh[0] = true;
             rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             oldLeft ),
                                          wxGridCellCoords ( oldBottom,
@@ -6487,7 +6765,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area above the old or new selection.
-            need_refresh[1] = TRUE;
+            need_refresh[1] = true;
             rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             leftCol ),
                                          wxGridCellCoords ( topRow - 1,
@@ -6498,7 +6776,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area to the right of the old or new selection.
-            need_refresh[2] = TRUE;
+            need_refresh[2] = true;
             rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
                                                             rightCol + 1 ),
                                          wxGridCellCoords ( oldBottom,
@@ -6509,7 +6787,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         {
             // Refresh the newly selected or deselected
             // area below the old or new selection.
-            need_refresh[3] = TRUE;
+            need_refresh[3] = true;
             rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
                                                             leftCol ),
                                          wxGridCellCoords ( oldBottom,
@@ -6519,7 +6797,7 @@ void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCo
         // 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]) );
     }
     // Change Selection
     m_selectingTopLeft = updateTopLeft;
@@ -6540,10 +6818,10 @@ bool wxGrid::GetModelValues()
         // all we need to do is repaint the grid
         //
         m_gridWin->Refresh();
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6566,10 +6844,10 @@ bool wxGrid::SetModelValues()
             }
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -6596,12 +6874,12 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
         if ( cell_rows <= 0 || cell_cols <= 0 )
         {
             wxGridCellCoords cell(row+cell_rows, col+cell_cols);
-            bool marked = FALSE;
+            bool marked = false;
             for ( int j = 0;  j < numCells;  j++ )
             {
                 if ( cell == cells[j] )
                 {
-                    marked = TRUE;
+                    marked = true;
                     break;
                 }
             }
@@ -6612,7 +6890,7 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                 {
                     if ( cell == redrawCells[j] )
                     {
-                        marked = TRUE;
+                        marked = true;
                         break;
                     }
                 }
@@ -6642,13 +6920,13 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                         if (GetCellOverflow(row+l, j))
                         {
                             wxGridCellCoords cell(row+l, j);
-                            bool marked = FALSE;
+                            bool marked = false;
 
                             for (int k = 0; k < numCells; k++)
                             {
                                 if ( cell == cells[k] )
                                 {
-                                    marked = TRUE;
+                                    marked = true;
                                     break;
                                 }
                             }
@@ -6659,7 +6937,7 @@ void wxGrid::DrawGridCellArea( wxDC& dc, const wxGridCellCoordsArray& cells )
                                 {
                                     if ( cell == redrawCells[k] )
                                     {
-                                        marked = TRUE;
+                                        marked = true;
                                         break;
                                     }
                                 }
@@ -6917,47 +7195,68 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
 
     // no gridlines inside multicells, clip them out
-    int leftCol   = XToCol(left);
-    int topRow    = YToRow(top);
-    int rightCol  = XToCol(right);
-    int bottomRow = YToRow(bottom);
+    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);
 
-    if ((leftCol >= 0) && (topRow >= 0))
+    int i, j, cell_rows, cell_cols;
+    wxRect rect;
+
+    for (j=topRow; j<bottomRow; j++)
     {
-        if (rightCol  < 0) rightCol  = m_numCols;
-        if (bottomRow < 0) bottomRow = m_numRows;
+        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;
+    int i, j, cell_rows, cell_cols;
+    wxRect rect;
 
-        for (j=topRow; j<bottomRow; j++)
+    for (j=topRow; j<bottomRow; j++)
+    {
+        for (i=leftCol; i<rightCol; i++)
         {
-            for (i=leftCol; i<rightCol; i++)
+            GetCellSize( j, i, &cell_rows, &cell_cols );
+            if ((cell_rows > 1) || (cell_cols > 1))
             {
-                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);
-                }
+                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;
@@ -7009,9 +7308,22 @@ 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;
 
@@ -7026,7 +7338,7 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     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() );
@@ -7034,7 +7346,6 @@ 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 );
@@ -7059,11 +7370,23 @@ 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);
+
+    wxRect rect;
+#ifdef __WXGTK20__
+    rect.SetX( colLeft + 1 );
+    rect.SetY( 1 );
+    rect.SetWidth( GetColWidth(col) - 2 );
+    rect.SetHeight( m_colLabelHeight - 2 );
+
+    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,
@@ -7077,7 +7400,7 @@ void wxGrid::DrawColLabel( wxDC& dc, int col )
     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() );
@@ -7086,7 +7409,6 @@ void wxGrid::DrawColLabel( wxDC& dc, int col )
     GetColLabelAlignment( &hAlign, &vAlign );
     orient = GetColLabelTextOrientation();
 
-    wxRect rect;
     rect.SetX( colLeft + 2 );
     rect.SetY( 2 );
     rect.SetWidth( GetColWidth(col) - 4 );
@@ -7108,20 +7430,20 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
     //Forward to new API.
     DrawTextRectangle(  dc,
-                        lines,
-                        rect,
-                        horizAlign,
-                        vertAlign,
-                        textOrientation );
+        lines,
+        rect,
+        horizAlign,
+        vertAlign,
+        textOrientation );
 
 }
 
 void wxGrid::DrawTextRectangle( wxDC& dc,
-                                const wxArrayString& lines,
-                                const wxRect& rect,
-                                int horizAlign,
-                                int vertAlign,
-                                int textOrientation )
+                               const wxArrayString& lines,
+                               const wxRect& rect,
+                               int horizAlign,
+                               int vertAlign,
+                               int textOrientation )
 {
     long textWidth, textHeight;
     long lineWidth, lineHeight;
@@ -7132,80 +7454,80 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
     nLines = lines.GetCount();
     if( nLines > 0 )
     {
-      int l;
-      float x, y;
+        int l;
+        float x = 0.0, y = 0.0;
 
-      if( textOrientation == wxHORIZONTAL )
-      GetTextBoxSize(dc, lines, &textWidth, &textHeight);
-      else
-         GetTextBoxSize( dc, lines, &textHeight, &textWidth );
+        if( textOrientation == wxHORIZONTAL )
+            GetTextBoxSize(dc, lines, &textWidth, &textHeight);
+        else
+            GetTextBoxSize( dc, lines, &textHeight, &textWidth );
 
-      switch( vertAlign )
-      {
+        switch( vertAlign )
+        {
         case wxALIGN_BOTTOM:
             if( textOrientation == wxHORIZONTAL )
-          y = rect.y + (rect.height - textHeight - 1);
+                y = rect.y + (rect.height - textHeight - 1);
             else
-               x = rect.x + rect.width - textWidth;
-          break;
+                x = rect.x + rect.width - textWidth;
+            break;
 
         case wxALIGN_CENTRE:
             if( textOrientation == wxHORIZONTAL )
-          y = rect.y + ((rect.height - textHeight)/2);
+                y = rect.y + ((rect.height - textHeight)/2);
             else
-               x = rect.x + ((rect.width - textWidth)/2);
-          break;
+                x = rect.x + ((rect.width - textWidth)/2);
+            break;
 
         case wxALIGN_TOP:
         default:
             if( textOrientation == wxHORIZONTAL )
-          y = rect.y + 1;
+                y = rect.y + 1;
             else
-               x = rect.x + 1;
-          break;
-      }
-
-      // Align each line of a multi-line label
-      for( l = 0; l < nLines; l++ )
-      {
-        dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
+                x = rect.x + 1;
+            break;
+        }
 
-        switch( horizAlign )
+        // Align each line of a multi-line label
+        for( l = 0; l < nLines; l++ )
         {
-          case wxALIGN_RIGHT:
-               if( textOrientation == wxHORIZONTAL )
-            x = rect.x + (rect.width - lineWidth - 1);
-               else
-                  y = rect.y + lineWidth + 1;
-            break;
+            dc.GetTextExtent(lines[l], &lineWidth, &lineHeight);
 
-          case wxALIGN_CENTRE:
-               if( textOrientation == wxHORIZONTAL )
-            x = rect.x + ((rect.width - lineWidth)/2);
-               else
-                  y = rect.y + rect.height - ((rect.height - lineWidth)/2);
-            break;
+            switch( horizAlign )
+            {
+            case wxALIGN_RIGHT:
+                if( textOrientation == wxHORIZONTAL )
+                    x = rect.x + (rect.width - lineWidth - 1);
+                else
+                    y = rect.y + lineWidth + 1;
+                break;
 
-          case wxALIGN_LEFT:
-          default:
-               if( textOrientation == wxHORIZONTAL )
-            x = rect.x + 1;
-               else
-                  y = rect.y + rect.height - 1;
-            break;
-        }
+            case wxALIGN_CENTRE:
+                if( textOrientation == wxHORIZONTAL )
+                    x = rect.x + ((rect.width - lineWidth)/2);
+                else
+                    y = rect.y + rect.height - ((rect.height - lineWidth)/2);
+                break;
 
-         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;
-         }
-      }
+            case wxALIGN_LEFT:
+            default:
+                if( textOrientation == wxHORIZONTAL )
+                    x = rect.x + 1;
+                else
+                    y = rect.y + rect.height - 1;
+                break;
+            }
+
+            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;
+            }
+        }
     }
     dc.DestroyClippingRegion();
 }
@@ -7294,6 +7616,16 @@ 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
@@ -7362,19 +7694,21 @@ 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 )
     {
@@ -7404,7 +7738,7 @@ void wxGrid::ShowCellEditControl()
     {
         if ( !IsVisible( m_currentCellCoords ) )
         {
-            m_cellEditCtrlEnabled = FALSE;
+            m_cellEditCtrlEnabled = false;
             return;
         }
         else
@@ -7452,7 +7786,7 @@ 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(),
@@ -7500,7 +7834,7 @@ void wxGrid::ShowCellEditControl()
 
             editor->SetCellAttr(attr);
             editor->SetSize( rect );
-            editor->Show( TRUE, attr );
+            editor->Show( true, attr );
 
             // recalc dimensions in case we need to
             // expand the scrolled window to account for editor
@@ -7525,15 +7859,21 @@ 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();
+
         // 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;
-        m_gridWin->Refresh( FALSE, &rect );
+#ifdef __WXMAC__
+        // ensure that the pixels under the focus ring get refreshed as well
+        rect.Inflate(10,10);
+#endif
+        m_gridWin->Refresh( false, &rect );
     }
 }
 
@@ -7598,10 +7938,16 @@ void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
 
 static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
                            const wxArrayInt& BorderArray, int nMax,
-                           bool maxOnOverflow)
+                           bool clipToMinMax)
 {
+
+    if (coord < 0)
+        return clipToMinMax && (nMax > 0) ? 0 : -1;
+
+
     if (!defaultDist)
         defaultDist = 1;
+
     size_t i_max = coord / defaultDist,
            i_min = 0;
 
@@ -7609,7 +7955,7 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
     {
         if((int) i_max < nMax)
             return i_max;
-        return maxOnOverflow ? nMax - 1 : -1;
+        return clipToMinMax ? nMax - 1 : -1;
     }
 
     if ( i_max >= BorderArray.GetCount())
@@ -7619,13 +7965,16 @@ 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;
 
@@ -7649,14 +7998,14 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
 int wxGrid::YToRow( int y )
 {
     return CoordToRowOrCol(y, m_defaultRowHeight,
-                           WXGRID_MIN_ROW_HEIGHT, m_rowBottoms, m_numRows, FALSE);
+                           m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
 }
 
 
 int wxGrid::XToCol( int x )
 {
     return CoordToRowOrCol(x, m_defaultColWidth,
-                           WXGRID_MIN_COL_WIDTH, m_colRights, m_numCols, FALSE);
+                           m_minAcceptableColWidth, m_colRights, m_numCols, false);
 }
 
 
@@ -7819,7 +8168,7 @@ 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 )
@@ -7834,15 +8183,15 @@ void wxGrid::MakeCellVisible( int row, int col )
             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();
         }
@@ -7880,11 +8229,11 @@ bool wxGrid::MoveCursorUp( bool expandSelection )
                             m_currentCellCoords.GetCol() );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -7914,11 +8263,11 @@ bool wxGrid::MoveCursorDown( bool expandSelection )
                             m_currentCellCoords.GetCol() );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -7948,11 +8297,11 @@ bool wxGrid::MoveCursorLeft( bool expandSelection )
                             m_currentCellCoords.GetCol() - 1 );
         }
         else
-            return FALSE;
-        return TRUE;
+            return false;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -7982,17 +8331,17 @@ 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 )
@@ -8001,53 +8350,48 @@ 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 )
@@ -8107,10 +8451,10 @@ bool wxGrid::MoveCursorUpBlock( bool expandSelection )
             ClearSelection();
             SetCurrentCell( row, col );
         }
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorDownBlock( bool expandSelection )
@@ -8171,10 +8515,10 @@ bool wxGrid::MoveCursorDownBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
@@ -8235,10 +8579,10 @@ bool wxGrid::MoveCursorLeftBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 bool wxGrid::MoveCursorRightBlock( bool expandSelection )
@@ -8299,10 +8643,10 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
             SetCurrentCell( row, col );
         }
 
-        return TRUE;
+        return true;
     }
 
-    return FALSE;
+    return false;
 }
 
 
@@ -8364,18 +8708,18 @@ 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();
-        wxScrolledWindow::Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -8387,18 +8731,18 @@ 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();
-        wxScrolledWindow::Refresh( TRUE );
+        wxScrolledWindow::Refresh( true );
     }
 }
 
@@ -8510,12 +8854,12 @@ 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
+// 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);
+//                      pGrid->SetLabelFont(font);
+//                      pGrid->SetColLabelTextOrientation(wxVERTICAL);
 //
 void wxGrid::SetColLabelTextOrientation( int textOrientation )
 {
@@ -8543,7 +8887,7 @@ 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 );
             }
         }
     }
@@ -8562,7 +8906,7 @@ 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 );
             }
         }
     }
@@ -8607,7 +8951,7 @@ 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);
     }
 }
 
@@ -8623,7 +8967,7 @@ 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);
     }
 }
 
@@ -8711,14 +9055,24 @@ 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);
 }
 
 // ----------------------------------------------------------------------------
@@ -8844,7 +9198,7 @@ bool wxGrid::CanHaveAttributes()
 {
     if ( !m_table )
     {
-        return FALSE;
+        return false;
     }
 
     return m_table->CanHaveAttributes();
@@ -8885,14 +9239,14 @@ 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;
     }
 }
 
@@ -8926,9 +9280,10 @@ 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 )
@@ -8970,9 +9325,7 @@ 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 );
+    wxGridCellAttr *attr = m_table->GetAttr(-1, col, wxGridCellAttr::Col );
     if(!attr)
         attr = new wxGridCellAttr;
     wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
@@ -9237,10 +9590,14 @@ 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 )
     {
@@ -9259,6 +9616,9 @@ 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
@@ -9280,7 +9640,7 @@ 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 )
     {
@@ -9300,6 +9660,14 @@ 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() )
     {
@@ -9334,24 +9702,60 @@ void wxGrid::SetColSize( int col, int width )
 
 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;
 }
 
 // ----------------------------------------------------------------------------
@@ -9362,6 +9766,10 @@ 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;
@@ -9446,7 +9854,7 @@ 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
@@ -9461,7 +9869,7 @@ 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 )
@@ -9523,14 +9931,14 @@ 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
     // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
     // scrollbar steps
-    wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * GRID_SCROLL_LINE_X,
-                   GetScrollY(size.y + m_extraHeight + 1) * GRID_SCROLL_LINE_Y);
+    wxSize sizeFit(GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
+                   GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY);
 
     // distribute the extra space between the columns/rows to avoid having
     // extra white space
@@ -9645,16 +10053,36 @@ wxSize wxGrid::DoGetBestSize() const
     wxGrid *self = (wxGrid *)this;  // const_cast
 
     int width, height;
-    width = self->SetOrCalcColumnSizes(TRUE);
-    height = self->SetOrCalcRowSizes(TRUE);
-
+    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 incantaion 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;
 
-    return wxSize( width, height );
+
+    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()
@@ -9684,7 +10112,7 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
             rect.x = 0;
             rect.width = m_gridWin->GetClientSize().GetWidth();
             CalcScrolledPosition(0, rect.y, &dummy, &rect.y);
-            m_gridWin->Refresh( FALSE, &rect );
+            m_gridWin->Refresh( false, &rect );
         }
 
         if ( m_currentCellCoords.GetRow() == row &&
@@ -9711,7 +10139,7 @@ void wxGrid::SelectRow( int row, bool addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectRow( row, FALSE, addToSelected );
+        m_selection->SelectRow( row, false, addToSelected );
 }
 
 
@@ -9721,7 +10149,7 @@ void wxGrid::SelectCol( int col, bool addToSelected )
         ClearSelection();
 
     if ( m_selection )
-        m_selection->SelectCol( col, FALSE, addToSelected );
+        m_selection->SelectCol( col, false, addToSelected );
 }
 
 
@@ -9733,7 +10161,7 @@ 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 );
 }
 
 
@@ -9866,7 +10294,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     }
     else
     {
-        rect = wxRect( 0, 0, 0, 0 );
+        rect = wxRect(0,0,0,0);
     }
 
     cellRect = CellToRect( bottomRight );
@@ -9941,7 +10369,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     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) );
@@ -9951,8 +10379,6 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     return rect;
 }
 
-
-
 //
 // ------ Grid event classes
 //
@@ -10031,7 +10457,5 @@ wxGridEditorCreatedEvent::wxGridEditorCreatedEvent(int id, wxEventType type,
     m_ctrl = ctrl;
 }
 
-
-#endif // !wxUSE_NEW_GRID/wxUSE_NEW_GRID
-
 #endif // wxUSE_GRID
+