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no more _ftime instead of ftime
[wxWidgets.git] / src / generic / grid.cpp
diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 6ee198034a54833cf5948f2365837fba114dd5da..889afc9226d65f708446588e6115df7515a71d22 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -47,8 +47,10 @@
 
 #include "wx/textfile.h"
 #include "wx/spinctrl.h"
 
 #include "wx/textfile.h"
 #include "wx/spinctrl.h"
+#include "wx/tokenzr.h"
 
 #include "wx/grid.h"
 
 #include "wx/grid.h"
+#include "wx/generic/gridsel.h"
 
 // ----------------------------------------------------------------------------
 // array classes
 
 // ----------------------------------------------------------------------------
 // array classes
@@ -255,14 +257,19 @@ public:
 // data structures used for the data type registry
 // ----------------------------------------------------------------------------
 
 // data structures used for the data type registry
 // ----------------------------------------------------------------------------
 
-struct wxGridDataTypeInfo {
+struct wxGridDataTypeInfo
+{
     wxGridDataTypeInfo(const wxString& typeName,
                        wxGridCellRenderer* renderer,
                        wxGridCellEditor* editor)
         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
         { }
 
     wxGridDataTypeInfo(const wxString& typeName,
                        wxGridCellRenderer* renderer,
                        wxGridCellEditor* editor)
         : m_typeName(typeName), m_renderer(renderer), m_editor(editor)
         { }
 
-    ~wxGridDataTypeInfo() { delete m_renderer; delete m_editor; }
+    ~wxGridDataTypeInfo()
+    {
+        wxSafeDecRef(m_renderer);
+        wxSafeDecRef(m_editor);
+    }
 
     wxString            m_typeName;
     wxGridCellRenderer* m_renderer;
 
     wxString            m_typeName;
     wxGridCellRenderer* m_renderer;
@@ -273,13 +280,27 @@ struct wxGridDataTypeInfo {
 WX_DEFINE_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
 
 
 WX_DEFINE_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
 
 
-class WXDLLEXPORT wxGridTypeRegistry {
+class WXDLLEXPORT wxGridTypeRegistry
+{
 public:
     ~wxGridTypeRegistry();
 public:
     ~wxGridTypeRegistry();
+
     void RegisterDataType(const wxString& typeName,
                      wxGridCellRenderer* renderer,
                      wxGridCellEditor* editor);
     void RegisterDataType(const wxString& typeName,
                      wxGridCellRenderer* renderer,
                      wxGridCellEditor* editor);
+
+    // find one of already registered data types
+    int FindRegisteredDataType(const wxString& typeName);
+
+    // try to FindRegisteredDataType(), if this fails and typeName is one of
+    // standard typenames, register it and return its index
     int FindDataType(const wxString& typeName);
     int FindDataType(const wxString& typeName);
+
+    // try to FindDataType(), if it fails see if it is not one of already
+    // registered data types with some params in which case clone the
+    // registered data type and set params for it
+    int FindOrCloneDataType(const wxString& typeName);
+
     wxGridCellRenderer* GetRenderer(int index);
     wxGridCellEditor*   GetEditor(int index);
 
     wxGridCellRenderer* GetRenderer(int index);
     wxGridCellEditor*   GetEditor(int index);
 
@@ -287,9 +308,6 @@ private:
     wxGridDataTypeInfoArray m_typeinfo;
 };
 
     wxGridDataTypeInfoArray m_typeinfo;
 };
 
-
-
-
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // conditional compilation
 // ----------------------------------------------------------------------------
@@ -367,6 +385,8 @@ void wxGridCellEditor::Destroy()
 {
     if (m_control)
     {
 {
     if (m_control)
     {
+        m_control->PopEventHandler(TRUE /* delete it*/);
+
         m_control->Destroy();
         m_control = NULL;
     }
         m_control->Destroy();
         m_control = NULL;
     }
@@ -447,6 +467,7 @@ void wxGridCellEditor::StartingClick()
 
 wxGridCellTextEditor::wxGridCellTextEditor()
 {
 
 wxGridCellTextEditor::wxGridCellTextEditor()
 {
+    m_maxChars = 0;
 }
 
 void wxGridCellTextEditor::Create(wxWindow* parent,
 }
 
 void wxGridCellTextEditor::Create(wxWindow* parent,
@@ -460,6 +481,8 @@ void wxGridCellTextEditor::Create(wxWindow* parent,
 #endif
                               );
 
 #endif
                               );
 
+    // TODO: use m_maxChars
+
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
@@ -481,16 +504,24 @@ void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
     // unix
     //
 #if defined(__WXGTK__)
     // unix
     //
 #if defined(__WXGTK__)
-    rect.Inflate(rect.x ? 1 : 0, rect.y ? 1 : 0);
+    if (rect.x != 0)
+    {
+        rect.x += 1;
+        rect.y += 1;
+        rect.width -= 1;
+        rect.height -= 1;
+    }
 #else // !GTK
 #else // !GTK
-    int extra = rect.x && rect.y ? 2 : 1;
+    int extra_x = ( rect.x > 2 )? 2 : 1;
+    int extra_y = ( rect.y > 2 )? 2 : 1;
 #if defined(__WXMOTIF__)
 #if defined(__WXMOTIF__)
-    extra *= 2;
+    extra_x *= 2;
+    extra_y *= 2;
 #endif
 #endif
-    rect.SetLeft( wxMax(0, rect.x - extra) );
-    rect.SetTop( wxMax(0, rect.y - extra) );
-    rect.SetRight( rect.GetRight() + 2*extra );
-    rect.SetBottom( rect.GetBottom() + 2*extra );
+    rect.SetLeft( wxMax(0, rect.x - extra_x) );
+    rect.SetTop( wxMax(0, rect.y - extra_y) );
+    rect.SetRight( rect.GetRight() + 2*extra_x );
+    rect.SetBottom( rect.GetBottom() + 2*extra_y );
 #endif // GTK/!GTK
 
     wxGridCellEditor::SetSize(rect);
 #endif // GTK/!GTK
 
     wxGridCellEditor::SetSize(rect);
@@ -588,6 +619,28 @@ void wxGridCellTextEditor::HandleReturn(wxKeyEvent& event)
 #endif
 }
 
 #endif
 }
 
+void wxGridCellTextEditor::SetParameters(const wxString& params)
+{
+    if ( !params )
+    {
+        // reset to default
+        m_maxChars = 0;
+    }
+    else
+    {
+        long tmp;
+        if ( !params.ToLong(&tmp) )
+        {
+            wxLogDebug(_T("Invalid wxGridCellTextEditor parameter string "
+                          "'%s' ignored"), params.c_str());
+        }
+        else
+        {
+            m_maxChars = (size_t)tmp;
+        }
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxGridCellNumberEditor
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellNumberEditor
 // ----------------------------------------------------------------------------
@@ -633,9 +686,12 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
     }
     else
     {
     }
     else
     {
-        wxFAIL_MSG( _T("this cell doesn't have numeric value") );
-
-        return;
+        wxString sValue = table->GetValue(row, col);
+        if (! sValue.ToLong(&m_valueOld))
+        {
+            wxFAIL_MSG( _T("this cell doesn't have numeric value") );
+            return;
+        }
     }
 
     if ( HasRange() )
     }
 
     if ( HasRange() )
@@ -666,7 +722,10 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
 
     if ( changed )
     {
 
     if ( changed )
     {
-        grid->GetTable()->SetValueAsLong(row, col, value);
+        if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
+            grid->GetTable()->SetValueAsLong(row, col, value);
+        else
+            grid->GetTable()->SetValue(row, col, wxString::Format("%ld", value));
     }
 
     return changed;
     }
 
     return changed;
@@ -701,6 +760,35 @@ void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 
+void wxGridCellNumberEditor::SetParameters(const wxString& params)
+{
+    if ( !params )
+    {
+        // reset to default
+        m_min =
+        m_max = -1;
+    }
+    else
+    {
+        long tmp;
+        if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
+        {
+            m_min = (int)tmp;
+
+            if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
+            {
+                m_max = (int)tmp;
+
+                // skip the error message below
+                return;
+            }
+        }
+
+        wxLogDebug(_T("Invalid wxGridCellNumberEditor parameter string "
+                      "'%s' ignored"), params.c_str());
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxGridCellFloatEditor
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellFloatEditor
 // ----------------------------------------------------------------------------
@@ -726,9 +814,12 @@ void wxGridCellFloatEditor::BeginEdit(int row, int col, wxGrid* grid)
     }
     else
     {
     }
     else
     {
-        wxFAIL_MSG( _T("this cell doesn't have float value") );
-
-        return;
+        wxString sValue = table->GetValue(row, col);
+        if (! sValue.ToDouble(&m_valueOld))
+        {
+            wxFAIL_MSG( _T("this cell doesn't have float value") );
+            return;
+        }
     }
 
     DoBeginEdit(GetString());
     }
 
     DoBeginEdit(GetString());
@@ -740,7 +831,10 @@ bool wxGridCellFloatEditor::EndEdit(int row, int col,
     double value;
     if ( Text()->GetValue().ToDouble(&value) && (value != m_valueOld) )
     {
     double value;
     if ( Text()->GetValue().ToDouble(&value) && (value != m_valueOld) )
     {
-        grid->GetTable()->SetValueAsDouble(row, col, value);
+        if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
+            grid->GetTable()->SetValueAsDouble(row, col, value);
+        else
+            grid->GetTable()->SetValue(row, col, wxString::Format("%f", value));
 
         return TRUE;
     }
 
         return TRUE;
     }
@@ -787,17 +881,46 @@ void wxGridCellBoolEditor::Create(wxWindow* parent,
 
 void wxGridCellBoolEditor::SetSize(const wxRect& r)
 {
 
 void wxGridCellBoolEditor::SetSize(const wxRect& r)
 {
+    bool resize = FALSE;
+    wxSize size = m_control->GetSize();
+    wxCoord minSize = wxMin(r.width, r.height);
+
+    // check if the checkbox is not too big/small for this cell
+    wxSize sizeBest = m_control->GetBestSize();
+    if ( !(size == sizeBest) )
+    {
+        // reset to default size if it had been made smaller
+        size = sizeBest;
+
+        resize = TRUE;
+    }
+
+    if ( size.x >= minSize || size.y >= minSize )
+    {
+        // leave 1 pixel margin
+        size.x = size.y = minSize - 2;
+
+        resize = TRUE;
+    }
+
+    if ( resize )
+    {
+        m_control->SetSize(size);
+    }
+
     // position it in the centre of the rectangle (TODO: support alignment?)
     // position it in the centre of the rectangle (TODO: support alignment?)
-    wxCoord w, h;
-    m_control->GetSize(&w, &h);
 
 
+#if defined(__WXGTK__) || defined (__WXMOTIF__)
     // the checkbox without label still has some space to the right in wxGTK,
     // so shift it to the right
     // the checkbox without label still has some space to the right in wxGTK,
     // so shift it to the right
-#ifdef __WXGTK__
-    w -= 8;
-#endif // GTK
+    size.x -= 8;
+#elif defined(__WXMSW__)
+    // here too, but in other way
+    size.x += 1;
+    size.y -= 2;
+#endif
 
 
-    m_control->Move(r.x + r.width/2 - w/2, r.y + r.height/2 - h/2);
+    m_control->Move(r.x + r.width/2 - size.x/2, r.y + r.height/2 - size.y/2);
 }
 
 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
 }
 
 void wxGridCellBoolEditor::Show(bool show, wxGridCellAttr *attr)
@@ -868,13 +991,25 @@ wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
                                                bool allowOthers)
                       : m_allowOthers(allowOthers)
 {
                                                bool allowOthers)
                       : m_allowOthers(allowOthers)
 {
-    m_choices.Alloc(count);
-    for ( size_t n = 0; n < count; n++ )
+    if ( count )
     {
     {
-        m_choices.Add(choices[n]);
+        m_choices.Alloc(count);
+        for ( size_t n = 0; n < count; n++ )
+        {
+            m_choices.Add(choices[n]);
+        }
     }
 }
 
     }
 }
 
+wxGridCellEditor *wxGridCellChoiceEditor::Clone() const
+{
+    wxGridCellChoiceEditor *editor = new wxGridCellChoiceEditor;
+    editor->m_allowOthers = m_allowOthers;
+    editor->m_choices = m_choices;
+
+    return editor;
+}
+
 void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
@@ -896,11 +1031,16 @@ void wxGridCellChoiceEditor::Create(wxWindow* parent,
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
-void wxGridCellChoiceEditor::PaintBackground(const wxRect& WXUNUSED(rectCell),
-                                             wxGridCellAttr * WXUNUSED(attr))
+void wxGridCellChoiceEditor::PaintBackground(const wxRect& rectCell,
+                                             wxGridCellAttr * attr)
 {
     // as we fill the entire client area, don't do anything here to minimize
     // flicker
 {
     // as we fill the entire client area, don't do anything here to minimize
     // flicker
+
+    // TODO: It doesn't actually fill the client area since the height of a
+    // combo always defaults to the standard...  Until someone has time to
+    // figure out the right rectangle to paint, just do it the normal way...
+    wxGridCellEditor::PaintBackground(rectCell, attr);
 }
 
 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
 }
 
 void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
@@ -945,6 +1085,23 @@ void wxGridCellChoiceEditor::Reset()
     Combo()->SetInsertionPointEnd();
 }
 
     Combo()->SetInsertionPointEnd();
 }
 
+void wxGridCellChoiceEditor::SetParameters(const wxString& params)
+{
+    if ( !params )
+    {
+        // what can we do?
+        return;
+    }
+
+    m_choices.Empty();
+
+    wxStringTokenizer tk(params, _T(','));
+    while ( tk.HasMoreTokens() )
+    {
+        m_choices.Add(tk.GetNextToken());
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxGridCellEditorEvtHandler
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellEditorEvtHandler
 // ----------------------------------------------------------------------------
@@ -987,6 +1144,20 @@ void wxGridCellEditorEvtHandler::OnChar(wxKeyEvent& event)
     }
 }
 
     }
 }
 
+// ----------------------------------------------------------------------------
+// wxGridCellWorker is an (almost) empty common base class for
+// wxGridCellRenderer and wxGridCellEditor managing ref counting
+// ----------------------------------------------------------------------------
+
+void wxGridCellWorker::SetParameters(const wxString& WXUNUSED(params))
+{
+    // nothing to do
+}
+
+wxGridCellWorker::~wxGridCellWorker()
+{
+}
+
 // ============================================================================
 // renderer classes
 // ============================================================================
 // ============================================================================
 // renderer classes
 // ============================================================================
@@ -1017,10 +1188,6 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
     dc.DrawRectangle(rect);
 }
 
     dc.DrawRectangle(rect);
 }
 
-wxGridCellRenderer::~wxGridCellRenderer()
-{
-}
-
 // ----------------------------------------------------------------------------
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------
@@ -1149,23 +1316,57 @@ wxGridCellFloatRenderer::wxGridCellFloatRenderer(int width, int precision)
     SetPrecision(precision);
 }
 
     SetPrecision(precision);
 }
 
+wxGridCellRenderer *wxGridCellFloatRenderer::Clone() const
+{
+    wxGridCellFloatRenderer *renderer = new wxGridCellFloatRenderer;
+    renderer->m_width = m_width;
+    renderer->m_precision = m_precision;
+    renderer->m_format = m_format;
+
+    return renderer;
+}
+
 wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
 wxString wxGridCellFloatRenderer::GetString(wxGrid& grid, int row, int col)
 {
     wxGridTableBase *table = grid.GetTable();
+
+    bool hasDouble;
+    double val;
     wxString text;
     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
     {
     wxString text;
     if ( table->CanGetValueAs(row, col, wxGRID_VALUE_FLOAT) )
     {
-        if ( !m_format )
-        {
-            m_format.Printf(_T("%%%d.%d%%f"), m_width, m_precision);
-        }
-
-        text.Printf(m_format, table->GetValueAsDouble(row, col));
+        val = table->GetValueAsDouble(row, col);
+        hasDouble = TRUE;
     }
     else
     {
         text = table->GetValue(row, col);
     }
     else
     {
         text = table->GetValue(row, col);
+        hasDouble = text.ToDouble(&val);
+    }
+
+    if ( hasDouble )
+    {
+        if ( !m_format )
+        {
+            if ( m_width == -1 )
+            {
+                // default width/precision
+                m_format = _T("%f");
+            }
+            else if ( m_precision == -1 )
+            {
+                // default precision
+                m_format.Printf(_T("%%%d.f"), m_width);
+            }
+            else
+            {
+                m_format.Printf(_T("%%%d.%df"), m_width, m_precision);
+            }
+        }
+
+        text.Printf(m_format, val);
     }
     }
+    //else: text already contains the string
 
     return text;
 }
 
     return text;
 }
@@ -1200,14 +1401,64 @@ wxSize wxGridCellFloatRenderer::GetBestSize(wxGrid& grid,
     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 }
 
     return DoGetBestSize(attr, dc, GetString(grid, row, col));
 }
 
+void wxGridCellFloatRenderer::SetParameters(const wxString& params)
+{
+    bool ok = TRUE;
+
+    if ( !params )
+    {
+        // reset to defaults
+        SetWidth(-1);
+        SetPrecision(-1);
+    }
+    else
+    {
+        wxString tmp = params.BeforeFirst(_T(','));
+        if ( !!tmp )
+        {
+            long width;
+            if ( !tmp.ToLong(&width) )
+            {
+                ok = FALSE;
+            }
+            else
+            {
+                SetWidth((int)width);
+
+                tmp = params.AfterFirst(_T(','));
+                if ( !!tmp )
+                {
+                    long precision;
+                    if ( !tmp.ToLong(&precision) )
+                    {
+                        ok = FALSE;
+                    }
+                    else
+                    {
+                        SetPrecision((int)precision);
+                    }
+                }
+            }
+        }
+
+        if ( !ok )
+        {
+            wxLogDebug(_T("Invalid wxGridCellFloatRenderer parameter string "
+                          "'%s ignored"), params.c_str());
+        }
+    }
+}
+
 // ----------------------------------------------------------------------------
 // wxGridCellBoolRenderer
 // ----------------------------------------------------------------------------
 
 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
 
 // ----------------------------------------------------------------------------
 // wxGridCellBoolRenderer
 // ----------------------------------------------------------------------------
 
 wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
 
+// FIXME these checkbox size calculations are really ugly...
+
 // between checkmark and box
 // between checkmark and box
-static const wxCoord wxGRID_CHECKMARK_MARGIN = 4;
+static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
 
 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
                                            wxGridCellAttr& WXUNUSED(attr),
 
 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
                                            wxGridCellAttr& WXUNUSED(attr),
@@ -1222,10 +1473,10 @@ wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
         wxCoord checkSize = 0;
         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
         wxSize size = checkbox->GetBestSize();
         wxCoord checkSize = 0;
         wxCheckBox *checkbox = new wxCheckBox(&grid, -1, wxEmptyString);
         wxSize size = checkbox->GetBestSize();
-        checkSize = size.y + wxGRID_CHECKMARK_MARGIN;
+        checkSize = size.y + 2*wxGRID_CHECKMARK_MARGIN;
 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
-#ifdef __WXGTK__
+#if defined(__WXGTK__) || defined(__WXMOTIF__)
         checkSize -= size.y / 2;
 #endif
 
         checkSize -= size.y / 2;
 #endif
 
@@ -1248,35 +1499,84 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
 
     // draw a check mark in the centre (ignoring alignment - TODO)
     wxSize size = GetBestSize(grid, attr, dc, row, col);
 
     // draw a check mark in the centre (ignoring alignment - TODO)
     wxSize size = GetBestSize(grid, attr, dc, row, col);
-    wxRect rectMark;
-    rectMark.x = rect.x + rect.width/2 - size.x/2;
-    rectMark.y = rect.y + rect.height/2 - size.y/2;
-    rectMark.width = size.x;
-    rectMark.height = size.y;
 
 
-    dc.SetBrush(*wxTRANSPARENT_BRUSH);
-    dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
-    dc.DrawRectangle(rectMark);
+    // don't draw outside the cell
+    wxCoord minSize = wxMin(rect.width, rect.height);
+    if ( size.x >= minSize || size.y >= minSize )
+    {
+        // and even leave (at least) 1 pixel margin
+        size.x = size.y = minSize - 2;
+    }
 
 
-    rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
+    // draw a border around checkmark
+    wxRect rectBorder;
+    rectBorder.x = rect.x + rect.width/2 - size.x/2;
+    rectBorder.y = rect.y + rect.height/2 - size.y/2;
+    rectBorder.width = size.x;
+    rectBorder.height = size.y;
 
     bool value;
 
     bool value;
-    if (grid.GetTable()->CanGetValueAs(row, col, wxT("bool")))
+    if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
         value = grid.GetTable()->GetValueAsBool(row, col);
     else
         value = !!grid.GetTable()->GetValue(row, col);
 
     if ( value )
     {
         value = grid.GetTable()->GetValueAsBool(row, col);
     else
         value = !!grid.GetTable()->GetValue(row, col);
 
     if ( value )
     {
+        wxRect rectMark = rectBorder;
+#ifdef __WXMSW__
+        // MSW DrawCheckMark() is weird (and should probably be changed...)
+        rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN/2);
+        rectMark.x++;
+        rectMark.y++;
+#else // !MSW
+        rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
+#endif // MSW/!MSW
+
         dc.SetTextForeground(attr.GetTextColour());
         dc.DrawCheckMark(rectMark);
     }
         dc.SetTextForeground(attr.GetTextColour());
         dc.DrawCheckMark(rectMark);
     }
+
+    dc.SetBrush(*wxTRANSPARENT_BRUSH);
+    dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
+    dc.DrawRectangle(rectBorder);
 }
 
 // ----------------------------------------------------------------------------
 // wxGridCellAttr
 // ----------------------------------------------------------------------------
 
 }
 
 // ----------------------------------------------------------------------------
 // wxGridCellAttr
 // ----------------------------------------------------------------------------
 
+wxGridCellAttr *wxGridCellAttr::Clone() const
+{
+    wxGridCellAttr *attr = new wxGridCellAttr;
+    if ( HasTextColour() )
+        attr->SetTextColour(GetTextColour());
+    if ( HasBackgroundColour() )
+        attr->SetBackgroundColour(GetBackgroundColour());
+    if ( HasFont() )
+        attr->SetFont(GetFont());
+    if ( HasAlignment() )
+        attr->SetAlignment(m_hAlign, m_vAlign);
+
+    if ( m_renderer )
+    {
+        attr->SetRenderer(m_renderer);
+        m_renderer->IncRef();
+    }
+    if ( m_editor )
+    {
+        attr->SetEditor(m_editor);
+        m_editor->IncRef();
+    }
+
+    if ( IsReadOnly() )
+        attr->SetReadOnly();
+
+    attr->SetDefAttr(m_defGridAttr);
+
+    return attr;
+}
+
 const wxColour& wxGridCellAttr::GetTextColour() const
 {
     if (HasTextColour())
 const wxColour& wxGridCellAttr::GetTextColour() const
 {
     if (HasTextColour())
@@ -1348,38 +1648,58 @@ void wxGridCellAttr::GetAlignment(int *hAlign, int *vAlign) const
 
 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
 {
 
 wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
 {
-    if ((m_defGridAttr != this || grid == NULL) && HasRenderer())
-        return m_renderer;      // use local attribute
-
     wxGridCellRenderer* renderer = NULL;
     wxGridCellRenderer* renderer = NULL;
-    if (grid)                   // get renderer for the data type
-        renderer =  grid->GetDefaultRendererForCell(row, col);
 
 
-    if (! renderer)
+    if ( m_defGridAttr != this || grid == NULL )
+    {
+        renderer = m_renderer;      // use local attribute
+        if ( renderer )
+            renderer->IncRef();
+    }
+
+    if ( !renderer && grid )        // get renderer for the data type
+    {
+        // GetDefaultRendererForCell() will do IncRef() for us
+        renderer = grid->GetDefaultRendererForCell(row, col);
+    }
+
+    if ( !renderer )
+    {
         // if we still don't have one then use the grid default
         // if we still don't have one then use the grid default
+        // (no need for IncRef() here neither)
         renderer = m_defGridAttr->GetRenderer(NULL,0,0);
         renderer = m_defGridAttr->GetRenderer(NULL,0,0);
+    }
 
 
-    if (! renderer)
+    if ( !renderer)
+    {
         wxFAIL_MSG(wxT("Missing default cell attribute"));
         wxFAIL_MSG(wxT("Missing default cell attribute"));
+    }
 
     return renderer;
 }
 
 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
 {
 
     return renderer;
 }
 
 wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
 {
-    if ((m_defGridAttr != this || grid == NULL) && HasEditor())
-        return m_editor;      // use local attribute
-
     wxGridCellEditor* editor = NULL;
     wxGridCellEditor* editor = NULL;
-    if (grid)                   // get renderer for the data type
-        editor =  grid->GetDefaultEditorForCell(row, col);
 
 
-    if (! editor)
+    if ( m_defGridAttr != this || grid == NULL )
+    {
+        editor = m_editor;      // use local attribute
+        if ( editor )
+            editor->IncRef();
+    }
+
+    if ( !editor && grid )                   // get renderer for the data type
+        editor = grid->GetDefaultEditorForCell(row, col);
+
+    if ( !editor )
         // if we still don't have one then use the grid default
         editor = m_defGridAttr->GetEditor(NULL,0,0);
 
         // if we still don't have one then use the grid default
         editor = m_defGridAttr->GetEditor(NULL,0,0);
 
-    if (! editor)
+    if ( !editor )
+    {
         wxFAIL_MSG(wxT("Missing default cell attribute"));
         wxFAIL_MSG(wxT("Missing default cell attribute"));
+    }
 
     return editor;
 }
 
     return editor;
 }
@@ -1535,8 +1855,8 @@ wxGridCellAttr *wxGridRowOrColAttrData::GetAttr(int rowOrCol) const
 
 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
 {
 
 void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
 {
-    int n = m_rowsOrCols.Index(rowOrCol);
-    if ( n == wxNOT_FOUND )
+    int i = m_rowsOrCols.Index(rowOrCol);
+    if ( i == wxNOT_FOUND )
     {
         // add the attribute
         m_rowsOrCols.Add(rowOrCol);
     {
         // add the attribute
         m_rowsOrCols.Add(rowOrCol);
@@ -1544,17 +1864,19 @@ void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
     }
     else
     {
     }
     else
     {
+        size_t n = (size_t)i;
         if ( attr )
         {
             // change the attribute
         if ( attr )
         {
             // change the attribute
-            m_attrs[(size_t)n] = attr;
+            m_attrs[n]->DecRef();
+            m_attrs[n] = attr;
         }
         else
         {
             // remove this attribute
         }
         else
         {
             // remove this attribute
-            m_attrs[(size_t)n]->DecRef();
-            m_rowsOrCols.RemoveAt((size_t)n);
-            m_attrs.RemoveAt((size_t)n);
+            m_attrs[n]->DecRef();
+            m_rowsOrCols.RemoveAt(n);
+            m_attrs.RemoveAt(n);
         }
     }
 }
         }
     }
 }
@@ -1683,7 +2005,8 @@ void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
 
 wxGridTypeRegistry::~wxGridTypeRegistry()
 {
 
 wxGridTypeRegistry::~wxGridTypeRegistry()
 {
-    for (size_t i=0; i<m_typeinfo.Count(); i++)
+    size_t count = m_typeinfo.Count();
+    for ( size_t i = 0; i < count; i++ )
         delete m_typeinfo[i];
 }
 
         delete m_typeinfo[i];
 }
 
@@ -1692,42 +2015,134 @@ void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
                                           wxGridCellRenderer* renderer,
                                           wxGridCellEditor* editor)
 {
                                           wxGridCellRenderer* renderer,
                                           wxGridCellEditor* editor)
 {
-    int loc;
     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
 
     // is it already registered?
     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
 
     // is it already registered?
-    if ((loc = FindDataType(typeName)) != -1) {
+    int loc = FindRegisteredDataType(typeName);
+    if ( loc != wxNOT_FOUND )
+    {
         delete m_typeinfo[loc];
         m_typeinfo[loc] = info;
     }
         delete m_typeinfo[loc];
         m_typeinfo[loc] = info;
     }
-    else {
+    else
+    {
         m_typeinfo.Add(info);
     }
 }
 
         m_typeinfo.Add(info);
     }
 }
 
+int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)
+{
+    size_t count = m_typeinfo.GetCount();
+    for ( size_t i = 0; i < count; i++ )
+    {
+        if ( typeName == m_typeinfo[i]->m_typeName )
+        {
+            return i;
+        }
+    }
+
+    return wxNOT_FOUND;
+}
+
 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
 {
 int wxGridTypeRegistry::FindDataType(const wxString& typeName)
 {
-    int found = -1;
+    int index = FindRegisteredDataType(typeName);
+    if ( index == wxNOT_FOUND )
+    {
+        // check whether this is one of the standard ones, in which case
+        // register it "on the fly"
+        if ( typeName == wxGRID_VALUE_STRING )
+        {
+            RegisterDataType(wxGRID_VALUE_STRING,
+                             new wxGridCellStringRenderer,
+                             new wxGridCellTextEditor);
+        }
+        else if ( typeName == wxGRID_VALUE_BOOL )
+        {
+            RegisterDataType(wxGRID_VALUE_BOOL,
+                             new wxGridCellBoolRenderer,
+                             new wxGridCellBoolEditor);
+        }
+        else if ( typeName == wxGRID_VALUE_NUMBER )
+        {
+            RegisterDataType(wxGRID_VALUE_NUMBER,
+                             new wxGridCellNumberRenderer,
+                             new wxGridCellNumberEditor);
+        }
+        else if ( typeName == wxGRID_VALUE_FLOAT )
+        {
+            RegisterDataType(wxGRID_VALUE_FLOAT,
+                             new wxGridCellFloatRenderer,
+                             new wxGridCellFloatEditor);
+        }
+        else if ( typeName == wxGRID_VALUE_CHOICE )
+        {
+            RegisterDataType(wxGRID_VALUE_CHOICE,
+                             new wxGridCellStringRenderer,
+                             new wxGridCellChoiceEditor);
+        }
+        else
+        {
+            return wxNOT_FOUND;
+        }
 
 
-    for (size_t i=0; i<m_typeinfo.Count(); i++) {
-        if (typeName == m_typeinfo[i]->m_typeName) {
-            found = i;
-            break;
+        // we get here only if just added the entry for this type, so return
+        // the last index
+        index = m_typeinfo.GetCount() - 1;
+    }
+
+    return index;
+}
+
+int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)
+{
+    int index = FindDataType(typeName);
+    if ( index == wxNOT_FOUND )
+    {
+        // the first part of the typename is the "real" type, anything after ':'
+        // are the parameters for the renderer
+        index = FindDataType(typeName.BeforeFirst(_T(':')));
+        if ( index == wxNOT_FOUND )
+        {
+            return wxNOT_FOUND;
         }
         }
+
+        wxGridCellRenderer *renderer = GetRenderer(index);
+        wxGridCellRenderer *rendererOld = renderer;
+        renderer = renderer->Clone();
+        rendererOld->DecRef();
+
+        wxGridCellEditor *editor = GetEditor(index);
+        wxGridCellEditor *editorOld = editor;
+        editor = editor->Clone();
+        editorOld->DecRef();
+
+        // do it even if there are no parameters to reset them to defaults
+        wxString params = typeName.AfterFirst(_T(':'));
+        renderer->SetParameters(params);
+        editor->SetParameters(params);
+
+        // register the new typename
+        RegisterDataType(typeName, renderer, editor);
+
+        // we just registered it, it's the last one
+        index = m_typeinfo.GetCount() - 1;
     }
 
     }
 
-    return found;
+    return index;
 }
 
 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
 {
     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
 }
 
 wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
 {
     wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
+    renderer->IncRef();
     return renderer;
 }
 
     return renderer;
 }
 
-wxGridCellEditor*   wxGridTypeRegistry::GetEditor(int index)
+wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
 {
     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
 {
     wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
+    editor->IncRef();
     return editor;
 }
 
     return editor;
 }
 
@@ -1783,7 +2198,7 @@ void wxGridTableBase::SetAttr(wxGridCellAttr* attr, int row, int col)
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
-        attr->SafeDecRef();
+        wxSafeDecRef(attr);
     }
 }
 
     }
 }
 
@@ -1797,7 +2212,7 @@ void wxGridTableBase::SetRowAttr(wxGridCellAttr *attr, int row)
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
-        attr->SafeDecRef();
+        wxSafeDecRef(attr);
     }
 }
 
     }
 }
 
@@ -1811,7 +2226,7 @@ void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
     {
         // as we take ownership of the pointer and don't store it, we must
         // free it now
-        attr->SafeDecRef();
+        wxSafeDecRef(attr);
     }
 }
 
     }
 }
 
@@ -1974,7 +2389,6 @@ void  wxGridTableBase::SetValueAsCustom( int WXUNUSED(row), int WXUNUSED(col),
 {
 }
 
 {
 }
 
-
 //////////////////////////////////////////////////////////////////////
 //
 // Message class for the grid table to send requests and notifications
 //////////////////////////////////////////////////////////////////////
 //
 // Message class for the grid table to send requests and notifications
@@ -2054,26 +2468,28 @@ long wxGridStringTable::GetNumberCols()
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {
-    // TODO: bounds checking
-    //
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                  _T("invalid row or column index in wxGridStringTable") );
+
     return m_data[row][col];
 }
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {
     return m_data[row][col];
 }
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {
-    // TODO: bounds checking
-    //
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                  _T("invalid row or column index in wxGridStringTable") );
+
     m_data[row][col] = value;
 }
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {
     m_data[row][col] = value;
 }
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {
-    // TODO: bounds checking
-    //
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),
+                  _T("invalid row or column index in wxGridStringTable") );
+
     return (m_data[row][col] == wxEmptyString);
 }
 
     return (m_data[row][col] == wxEmptyString);
 }
 
-
 void wxGridStringTable::Clear()
 {
     int row, col;
 void wxGridStringTable::Clear()
 {
     int row, col;
@@ -2403,7 +2819,7 @@ END_EVENT_TABLE()
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }
@@ -2456,7 +2872,7 @@ END_EVENT_TABLE()
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }
@@ -2509,7 +2925,7 @@ END_EVENT_TABLE()
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
-  : wxWindow( parent, id, pos, size )
+  : wxWindow( parent, id, pos, size, wxWANTS_CHARS )
 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }
@@ -2563,7 +2979,7 @@ wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxGridRowLabelWindow *rowLblWin,
                             wxGridColLabelWindow *colLblWin,
                             wxWindowID id, const wxPoint &pos, const wxSize &size )
                             wxGridRowLabelWindow *rowLblWin,
                             wxGridColLabelWindow *colLblWin,
                             wxWindowID id, const wxPoint &pos, const wxSize &size )
-        : wxPanel( parent, id, pos, size, 0, "grid window" )
+        : wxPanel( parent, id, pos, size, wxWANTS_CHARS, "grid window" )
 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;
 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;
@@ -2584,10 +3000,10 @@ void wxGridWindow::OnPaint( wxPaintEvent &WXUNUSED(event) )
     wxRegion reg = GetUpdateRegion();
     m_owner->CalcCellsExposed( reg );
     m_owner->DrawGridCellArea( dc );
     wxRegion reg = GetUpdateRegion();
     m_owner->CalcCellsExposed( reg );
     m_owner->DrawGridCellArea( dc );
-    m_owner->DrawGridSpace( dc );
 #if WXGRID_DRAW_LINES
     m_owner->DrawAllGridLines( dc, reg );
 #endif
 #if WXGRID_DRAW_LINES
     m_owner->DrawAllGridLines( dc, reg );
 #endif
+    m_owner->DrawGridSpace( dc );
     m_owner->DrawHighlight( dc );
 }
 
     m_owner->DrawHighlight( dc );
 }
 
@@ -2638,8 +3054,9 @@ wxGrid::wxGrid( wxWindow *parent,
                  const wxSize& size,
                  long style,
                  const wxString& name )
                  const wxSize& size,
                  long style,
                  const wxString& name )
-  : wxScrolledWindow( parent, id, pos, size, style, name ),
-    m_colMinWidths(wxKEY_INTEGER, GRID_HASH_SIZE)
+  : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
+    m_colMinWidths(GRID_HASH_SIZE),
+    m_rowMinHeights(GRID_HASH_SIZE)
 {
     Create();
 }
 {
     Create();
 }
@@ -2648,7 +3065,7 @@ wxGrid::wxGrid( wxWindow *parent,
 wxGrid::~wxGrid()
 {
     ClearAttrCache();
 wxGrid::~wxGrid()
 {
     ClearAttrCache();
-    m_defaultCellAttr->SafeDecRef();
+    wxSafeDecRef(m_defaultCellAttr);
 
 #ifdef DEBUG_ATTR_CACHE
     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
 
 #ifdef DEBUG_ATTR_CACHE
     size_t total = gs_nAttrCacheHits + gs_nAttrCacheMisses;
@@ -2662,6 +3079,7 @@ wxGrid::~wxGrid()
         delete m_table;
 
     delete m_typeRegistry;
         delete m_table;
 
     delete m_typeRegistry;
+    delete m_selection;
 }
 
 
 }
 
 
@@ -2700,19 +3118,9 @@ void wxGrid::Create()
     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
 
     m_rowLabelWidth = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
     m_colLabelHeight = WXGRID_DEFAULT_COL_LABEL_HEIGHT;
 
-    // data type registration: register all standard data types
-    // TODO: may be allow the app to selectively disable some of them?
+    // create the type registry
     m_typeRegistry = new wxGridTypeRegistry;
     m_typeRegistry = new wxGridTypeRegistry;
-    RegisterDataType(wxGRID_VALUE_STRING,
-                     new wxGridCellStringRenderer,
-                     new wxGridCellTextEditor);
-    RegisterDataType(wxGRID_VALUE_BOOL,
-                     new wxGridCellBoolRenderer,
-                     new wxGridCellBoolEditor);
-    RegisterDataType(wxGRID_VALUE_NUMBER,
-                     new wxGridCellNumberRenderer,
-                     new wxGridCellNumberEditor);
-
+    m_selection = 0;
     // subwindow components that make up the wxGrid
     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
                                                     -1,
     // subwindow components that make up the wxGrid
     m_cornerLabelWin = new wxGridCornerLabelWindow( this,
                                                     -1,
@@ -2740,7 +3148,8 @@ void wxGrid::Create()
 }
 
 
 }
 
 
-bool wxGrid::CreateGrid( int numRows, int numCols )
+bool wxGrid::CreateGrid( int numRows, int numCols,
+                         wxGrid::wxGridSelectionModes selmode )
 {
     if ( m_created )
     {
 {
     if ( m_created )
     {
@@ -2758,7 +3167,7 @@ bool wxGrid::CreateGrid( int numRows, int numCols )
         Init();
         m_created = TRUE;
     }
         Init();
         m_created = TRUE;
     }
-
+    m_selection = new wxGridSelection( this, selmode );
     return m_created;
 }
 
     return m_created;
 }
 
@@ -2856,8 +3265,8 @@ void wxGrid::Init()
 
     m_currentCellCoords = wxGridNoCellCoords;
 
 
     m_currentCellCoords = wxGridNoCellCoords;
 
-    m_selectedTopLeft = wxGridNoCellCoords;
-    m_selectedBottomRight = wxGridNoCellCoords;
+    m_selectingTopLeft = wxGridNoCellCoords;
+    m_selectingBottomRight = wxGridNoCellCoords;
     m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
     m_selectionBackground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetSystemColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
@@ -2865,6 +3274,11 @@ void wxGrid::Init()
 
     m_inOnKeyDown = FALSE;
     m_batchCount = 0;
 
     m_inOnKeyDown = FALSE;
     m_batchCount = 0;
+
+    m_extraWidth =
+    m_extraHeight = 50;
+
+    CalcDimensions();
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -2951,8 +3365,8 @@ void wxGrid::CalcDimensions()
 
     if ( m_numRows > 0  &&  m_numCols > 0 )
     {
 
     if ( m_numRows > 0  &&  m_numCols > 0 )
     {
-        int right = GetColRight( m_numCols-1 ) + 50;
-        int bottom = GetRowBottom( m_numRows-1 ) + 50;
+        int right = GetColRight( m_numCols-1 ) + m_extraWidth;
+        int bottom = GetRowBottom( m_numRows-1 ) + m_extraHeight;
 
         // TODO: restore the scroll position that we had before sizing
         //
 
         // TODO: restore the scroll position that we had before sizing
         //
@@ -3360,7 +3774,9 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
 
                     wxClientDC dc( m_gridWin );
                     PrepareDC( dc );
 
                     wxClientDC dc( m_gridWin );
                     PrepareDC( dc );
-                    y = wxMax( y, GetRowTop(m_dragRowOrCol) + WXGRID_MIN_ROW_HEIGHT );
+                    y = wxMax( y,
+                               GetRowTop(m_dragRowOrCol) +
+                               GetRowMinimalHeight(m_dragRowOrCol) );
                     dc.SetLogicalFunction(wxINVERT);
                     if ( m_dragLastPos >= 0 )
                     {
                     dc.SetLogicalFunction(wxINVERT);
                     if ( m_dragLastPos >= 0 )
                     {
@@ -3801,7 +4217,10 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
             // Hide the edit control, so it
             // won't interfer with drag-shrinking.
             if ( IsCellEditControlEnabled() )
             // Hide the edit control, so it
             // won't interfer with drag-shrinking.
             if ( IsCellEditControlEnabled() )
+            {
                 HideCellEditControl();
                 HideCellEditControl();
+                SaveEditControlValue();
+            }
 
             // Have we captured the mouse yet?
             if (! m_winCapture)
 
             // Have we captured the mouse yet?
             if (! m_winCapture)
@@ -3837,7 +4256,8 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
             wxClientDC dc( m_gridWin );
             PrepareDC( dc );
 
             wxClientDC dc( m_gridWin );
             PrepareDC( dc );
-            y = wxMax( y, GetRowTop(m_dragRowOrCol) + WXGRID_MIN_ROW_HEIGHT );
+            y = wxMax( y, GetRowTop(m_dragRowOrCol) +
+                          GetRowMinimalHeight(m_dragRowOrCol) );
             dc.SetLogicalFunction(wxINVERT);
             if ( m_dragLastPos >= 0 )
             {
             dc.SetLogicalFunction(wxINVERT);
             if ( m_dragLastPos >= 0 )
             {
@@ -3871,206 +4291,220 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     m_isDragging = FALSE;
     m_startDragPos = wxDefaultPosition;
 
     m_isDragging = FALSE;
     m_startDragPos = wxDefaultPosition;
 
-//      if ( coords == wxGridNoCellCoords && m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
-//      {
-//          ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
-//      }
-
-//      if ( coords != wxGridNoCellCoords )
-//      {
-        // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
-        //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
-        //     wxGTK
+    // VZ: if we do this, the mode is reset to WXGRID_CURSOR_SELECT_CELL
+    //     immediately after it becomes WXGRID_CURSOR_RESIZE_ROW/COL under
+    //     wxGTK
 #if 0
 #if 0
-        if ( event.Entering() || event.Leaving() )
-        {
-            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
-            m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
-        }
-        else
+    if ( event.Entering() || event.Leaving() )
+    {
+        ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+        m_gridWin->SetCursor( *wxSTANDARD_CURSOR );
+    }
+    else
 #endif // 0
 
 #endif // 0
 
-        // ------------ Left button pressed
-        //
-        if ( event.LeftDown() && coords != wxGridNoCellCoords )
+    // ------------ Left button pressed
+    //
+    if ( event.LeftDown() && coords != wxGridNoCellCoords )
+    {
+        if ( !event.ShiftDown() && !event.ControlDown() )
+            ClearSelection();
+        if ( event.ShiftDown() )
         {
         {
-            DisableCellEditControl();
-            if ( event.ShiftDown() )
-            {
-                SelectBlock( m_currentCellCoords, coords );
-            }
-            else if ( XToEdgeOfCol(x) < 0  &&
-                      YToEdgeOfRow(y) < 0 )
+            SelectBlock( m_currentCellCoords, coords );
+        }
+        else if ( XToEdgeOfCol(x) < 0  &&
+                  YToEdgeOfRow(y) < 0 )
+        {
+            if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
+                             coords.GetRow(),
+                             coords.GetCol(),
+                             event ) )
             {
             {
-                if ( !SendEvent( wxEVT_GRID_CELL_LEFT_CLICK,
-                                 coords.GetRow(),
-                                 coords.GetCol(),
-                                 event ) )
+                DisableCellEditControl();
+                MakeCellVisible( coords );
+
+                // if this is the second click on this cell then start
+                // the edit control
+                if ( m_waitForSlowClick &&
+                     (coords == m_currentCellCoords) &&
+                     CanEnableCellControl())
                 {
                 {
-                    MakeCellVisible( coords );
-
-                    // if this is the second click on this cell then start
-                    // the edit control
-                    if ( m_waitForSlowClick &&
-                         (coords == m_currentCellCoords) &&
-                         CanEnableCellControl())
-                    {
-                        EnableCellEditControl();
+                    EnableCellEditControl();
 
 
-                        wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
-                        attr->GetEditor(this, coords.GetRow(), coords.GetCol())->StartingClick();
-                        attr->DecRef();
+                    wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
+                    wxGridCellEditor *editor = attr->GetEditor(this,
+                                                               coords.GetRow(),
+                                                               coords.GetCol());
+                    editor->StartingClick();
+                    editor->DecRef();
+                    attr->DecRef();
 
 
-                        m_waitForSlowClick = FALSE;
-                    }
-                    else
-                    {
-                        SetCurrentCell( coords );
-                        m_waitForSlowClick = TRUE;
-                    }
+                    m_waitForSlowClick = FALSE;
+                }
+                else
+                {
+                    m_selection->ToggleCellSelection( coords.GetRow(),
+                                                      coords.GetCol() );
+                    m_selectingTopLeft = wxGridNoCellCoords;
+                    m_selectingBottomRight = wxGridNoCellCoords;
+                    SetCurrentCell( coords );
+                    m_waitForSlowClick = TRUE;
                 }
             }
         }
                 }
             }
         }
+    }
 
 
 
 
-        // ------------ Left double click
-        //
-        else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
+    // ------------ Left double click
+    //
+    else if ( event.LeftDClick() && coords != wxGridNoCellCoords )
+    {
+        DisableCellEditControl();
+
+        if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
         {
         {
-            DisableCellEditControl();
-            if ( XToEdgeOfCol(x) < 0  &&  YToEdgeOfRow(y) < 0 )
-            {
-                SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
-                           coords.GetRow(),
-                           coords.GetCol(),
-                           event );
-            }
+            SendEvent( wxEVT_GRID_CELL_LEFT_DCLICK,
+                       coords.GetRow(),
+                       coords.GetCol(),
+                       event );
         }
         }
+    }
 
 
 
 
-        // ------------ Left button released
-        //
-        else if ( event.LeftUp() )
+    // ------------ Left button released
+    //
+    else if ( event.LeftUp() )
+    {
+        if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
         {
-            if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
+            if ( m_selectingTopLeft != wxGridNoCellCoords &&
+                 m_selectingBottomRight != wxGridNoCellCoords )
             {
             {
-                if ( IsSelection() )
+                m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
+                                          m_selectingTopLeft.GetCol(),
+                                          m_selectingBottomRight.GetRow(),
+                                          m_selectingBottomRight.GetCol() );
+                if (m_winCapture)
                 {
                 {
-                    if (m_winCapture)
-                    {
-                        m_winCapture->ReleaseMouse();
-                        m_winCapture = NULL;
-                    }
-                    SendEvent( wxEVT_GRID_RANGE_SELECT, -1, -1, event );
+                    m_winCapture->ReleaseMouse();
+                    m_winCapture = NULL;
                 }
                 }
-
-                // Show the edit control, if it has been hidden for
-                // drag-shrinking.
-                ShowCellEditControl();
+                SendEvent( wxEVT_GRID_RANGE_SELECT, -1, -1, event );
             }
             }
-            else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
-            {
-                ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
-                DoEndDragResizeRow();
 
 
-                // Note: we are ending the event *after* doing
-                // default processing in this case
-                //
-                SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
-            }
-            else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
-            {
-                ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
-                DoEndDragResizeCol();
+            // Show the edit control, if it has been hidden for
+            // drag-shrinking.
+            ShowCellEditControl();
+        }
+        else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
+        {
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            DoEndDragResizeRow();
 
 
-                // Note: we are ending the event *after* doing
-                // default processing in this case
-                //
-                SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
-            }
+            // Note: we are ending the event *after* doing
+            // default processing in this case
+            //
+            SendEvent( wxEVT_GRID_ROW_SIZE, m_dragRowOrCol, -1, event );
+        }
+        else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
+        {
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            DoEndDragResizeCol();
 
 
-            m_dragLastPos = -1;
+            // Note: we are ending the event *after* doing
+            // default processing in this case
+            //
+            SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
         }
 
         }
 
+        m_dragLastPos = -1;
+    }
 
 
-        // ------------ Right button down
-        //
-        else if ( event.RightDown() && coords != wxGridNoCellCoords )
+
+    // ------------ Right button down
+    //
+    else if ( event.RightDown() && coords != wxGridNoCellCoords )
+    {
+        DisableCellEditControl();
+        if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
+                         coords.GetRow(),
+                         coords.GetCol(),
+                         event ) )
         {
         {
-            DisableCellEditControl();
-            if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_CLICK,
-                             coords.GetRow(),
-                             coords.GetCol(),
-                             event ) )
-            {
-                // no default action at the moment
-            }
+            // no default action at the moment
         }
         }
+    }
 
 
 
 
-        // ------------ Right double click
-        //
-        else if ( event.RightDClick() && coords != wxGridNoCellCoords )
+    // ------------ Right double click
+    //
+    else if ( event.RightDClick() && coords != wxGridNoCellCoords )
+    {
+        DisableCellEditControl();
+        if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
+                         coords.GetRow(),
+                         coords.GetCol(),
+                         event ) )
         {
         {
-            DisableCellEditControl();
-            if ( !SendEvent( wxEVT_GRID_CELL_RIGHT_DCLICK,
-                             coords.GetRow(),
-                             coords.GetCol(),
-                             event ) )
-            {
-                // no default action at the moment
-            }
+            // no default action at the moment
         }
         }
+    }
+
+    // ------------ Moving and no button action
+    //
+    else if ( event.Moving() && !event.IsButton() )
+    {
+        int dragRow = YToEdgeOfRow( y );
+        int dragCol = XToEdgeOfCol( x );
 
 
-        // ------------ Moving and no button action
+        // Dragging on the corner of a cell to resize in both
+        // directions is not implemented yet...
         //
         //
-        else if ( event.Moving() && !event.IsButton() )
+        if ( dragRow >= 0  &&  dragCol >= 0 )
         {
         {
-            int dragRow = YToEdgeOfRow( y );
-            int dragCol = XToEdgeOfCol( x );
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+            return;
+        }
 
 
-            // Dragging on the corner of a cell to resize in both
-            // directions is not implemented yet...
-            //
-            if ( dragRow >= 0  &&  dragCol >= 0 )
-            {
-                ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
-                return;
-            }
+        if ( dragRow >= 0 )
+        {
+            m_dragRowOrCol = dragRow;
 
 
-            if ( dragRow >= 0 )
+            if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
             {
-                m_dragRowOrCol = dragRow;
-
-                if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
-                {
-                    if ( CanDragRowSize() && CanDragGridSize() )
-                        ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
-                }
-
-                return;
+                if ( CanDragRowSize() && CanDragGridSize() )
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
             }
 
             if ( dragCol >= 0 )
             {
                 m_dragRowOrCol = dragCol;
             }
 
             if ( dragCol >= 0 )
             {
                 m_dragRowOrCol = dragCol;
+            }
 
 
-                if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
-                {
-                    if ( CanDragColSize() && CanDragGridSize() )
-                        ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
-                }
+            return;
+        }
 
 
-                return;
-            }
+        if ( dragCol >= 0 )
+        {
+            m_dragRowOrCol = dragCol;
 
 
-            // Neither on a row or col edge
-            //
-            if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+            if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
             {
-                ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
+                if ( CanDragColSize() && CanDragGridSize() )
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
             }
             }
+
+            return;
+        }
+
+        // Neither on a row or col edge
+        //
+        if ( m_cursorMode != WXGRID_CURSOR_SELECT_CELL )
+        {
+            ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL);
         }
         }
+    }
 }
 
 
 }
 
 
@@ -4089,6 +4523,7 @@ void wxGrid::DoEndDragResizeRow()
         dc.SetLogicalFunction( wxINVERT );
         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
         HideCellEditControl();
         dc.SetLogicalFunction( wxINVERT );
         dc.DrawLine( left, m_dragLastPos, left+cw, m_dragLastPos );
         HideCellEditControl();
+        SaveEditControlValue();
 
         int rowTop = GetRowTop(m_dragRowOrCol);
         SetRowSize( m_dragRowOrCol,
 
         int rowTop = GetRowTop(m_dragRowOrCol);
         SetRowSize( m_dragRowOrCol,
@@ -4127,6 +4562,7 @@ void wxGrid::DoEndDragResizeCol()
         dc.SetLogicalFunction( wxINVERT );
         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
         HideCellEditControl();
         dc.SetLogicalFunction( wxINVERT );
         dc.DrawLine( m_dragLastPos, top, m_dragLastPos, top+ch );
         HideCellEditControl();
+        SaveEditControlValue();
 
         int colLeft = GetColLeft(m_dragRowOrCol);
         SetColSize( m_dragRowOrCol,
 
         int colLeft = GetColLeft(m_dragRowOrCol);
         SetColSize( m_dragRowOrCol,
@@ -4237,7 +4673,7 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
                 SetCurrentCell( 0, 0 );
             }
 
                 SetCurrentCell( 0, 0 );
             }
 
-            ClearSelection();
+            m_selection->UpdateRows( pos, numRows );
             if ( !GetBatchCount() ) Refresh();
         }
 
             if ( !GetBatchCount() ) Refresh();
         }
 
@@ -4273,7 +4709,6 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
         // the table will have sent the results of the append row
         // operation to this view object as a grid table message
         //
         // the table will have sent the results of the append row
         // operation to this view object as a grid table message
         //
-        ClearSelection();
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
@@ -4305,7 +4740,7 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
             // the table will have sent the results of the delete row
             // operation to this view object as a grid table message
             //
             // the table will have sent the results of the delete row
             // operation to this view object as a grid table message
             //
-            ClearSelection();
+            m_selection->UpdateRows( pos, -((int)numRows) );
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
@@ -4344,7 +4779,7 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
                 SetCurrentCell( 0, 0 );
             }
 
                 SetCurrentCell( 0, 0 );
             }
 
-            ClearSelection();
+            m_selection->UpdateCols( pos, numCols );
             if ( !GetBatchCount() ) Refresh();
         }
 
             if ( !GetBatchCount() ) Refresh();
         }
 
@@ -4380,7 +4815,6 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
             SetCurrentCell( 0, 0 );
         }
 
             SetCurrentCell( 0, 0 );
         }
 
-        ClearSelection();
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
         if ( !GetBatchCount() ) Refresh();
         return TRUE;
     }
@@ -4411,7 +4845,7 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
             // the table will have sent the results of the delete col
             // operation to this view object as a grid table message
             //
             // the table will have sent the results of the delete col
             // operation to this view object as a grid table message
             //
-            ClearSelection();
+            m_selection->UpdateCols( pos, -((int)numCols) );
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
             if ( !GetBatchCount() ) Refresh();
             return TRUE;
         }
@@ -4453,8 +4887,8 @@ bool wxGrid::SendEvent( const wxEventType type,
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         type,
                                         this,
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         type,
                                         this,
-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight,
+                                        m_selectingTopLeft,
+                                        m_selectingBottomRight,
                                         mouseEv.ControlDown(),
                                         mouseEv.ShiftDown(),
                                         mouseEv.AltDown(),
                                         mouseEv.ControlDown(),
                                         mouseEv.ShiftDown(),
                                         mouseEv.AltDown(),
@@ -4657,14 +5091,6 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 MovePageDown();
                 break;
 
                 MovePageDown();
                 break;
 
-            // We don't want these keys to trigger the edit control, any others?
-            case WXK_SHIFT:
-            case WXK_ALT:
-            case WXK_CONTROL:
-            case WXK_CAPITAL:
-                event.Skip();
-                break;
-
             case WXK_SPACE:
                 if ( !IsEditable() )
                 {
             case WXK_SPACE:
                 if ( !IsEditable() )
                 {
@@ -4674,20 +5100,28 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 // Otherwise fall through to default
 
             default:
                 // Otherwise fall through to default
 
             default:
-                // now try the cell edit control
-                //
-                if ( !IsCellEditControlEnabled() && CanEnableCellControl() )
+                // alphanumeric keys or F2 (special key just for this) enable
+                // the cell edit control
+                if ( !(event.AltDown() ||
+                       event.MetaDown() ||
+                       event.ControlDown()) &&
+                     (isalnum(event.KeyCode()) || event.KeyCode() == WXK_F2) &&
+                     !IsCellEditControlEnabled() &&
+                     CanEnableCellControl() )
                 {
                     EnableCellEditControl();
                     int row = m_currentCellCoords.GetRow();
                     int col = m_currentCellCoords.GetCol();
                     wxGridCellAttr* attr = GetCellAttr(row, col);
                 {
                     EnableCellEditControl();
                     int row = m_currentCellCoords.GetRow();
                     int col = m_currentCellCoords.GetCol();
                     wxGridCellAttr* attr = GetCellAttr(row, col);
-                    attr->GetEditor(this, row, col)->StartingKey(event);
+                    wxGridCellEditor *editor = attr->GetEditor(this, row, col);
+                    editor->StartingKey(event);
+                    editor->DecRef();
                     attr->DecRef();
                 }
                 else
                 {
                     attr->DecRef();
                 }
                 else
                 {
-                    // let others process char events for readonly cells
+                    // let others process char events with modifiers or all
+                    // char events for readonly cells
                     event.Skip();
                 }
                 break;
                     event.Skip();
                 }
                 break;
@@ -4735,13 +5169,16 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
         wxGridCellAttr* attr = GetCellAttr(coords);
         DrawCellHighlight(dc, attr);
         attr->DecRef();
         wxGridCellAttr* attr = GetCellAttr(coords);
         DrawCellHighlight(dc, attr);
         attr->DecRef();
-
+#if 0
+        // SN: For my extended selection code, automatic
+        //     deselection is definitely not a good idea.
         if ( IsSelection() )
         {
             wxRect r( SelectionToDeviceRect() );
             ClearSelection();
             if ( !GetBatchCount() ) m_gridWin->Refresh( FALSE, &r );
         }
         if ( IsSelection() )
         {
             wxRect r( SelectionToDeviceRect() );
             ClearSelection();
             if ( !GetBatchCount() ) m_gridWin->Refresh( FALSE, &r );
         }
+#endif
     }
 }
 
     }
 }
 
@@ -4824,11 +5261,11 @@ void wxGrid::DrawGridSpace( wxDC& dc )
             dc.SetPen( *wxTRANSPARENT_PEN );
 
             if ( right > GetColRight(m_numCols-1) )
             dc.SetPen( *wxTRANSPARENT_PEN );
 
             if ( right > GetColRight(m_numCols-1) )
-                dc.DrawRectangle( GetColRight(m_numCols-1)+1, top,
+                dc.DrawRectangle( GetColRight(m_numCols-1), top,
                                   right - GetColRight(m_numCols-1), ch );
 
             if ( bottom > GetRowBottom(m_numRows-1) )
                                   right - GetColRight(m_numCols-1), ch );
 
             if ( bottom > GetRowBottom(m_numRows-1) )
-                dc.DrawRectangle( left, GetRowBottom(m_numRows-1)+1,
+                dc.DrawRectangle( left, GetRowBottom(m_numRows-1),
                                   cw, bottom - GetRowBottom(m_numRows-1) );
         }
     }
                                   cw, bottom - GetRowBottom(m_numRows-1) );
         }
     }
@@ -4862,15 +5299,17 @@ void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
     // if the editor is shown, we should use it and not the renderer
     if ( isCurrent && IsCellEditControlEnabled() )
     {
     // if the editor is shown, we should use it and not the renderer
     if ( isCurrent && IsCellEditControlEnabled() )
     {
-        attr->GetEditor(this, row, col)->PaintBackground(rect, attr);
+        wxGridCellEditor *editor = attr->GetEditor(this, row, col);
+        editor->PaintBackground(rect, attr);
+        editor->DecRef();
     }
     else
     {
         // but all the rest is drawn by the cell renderer and hence may be
         // customized
     }
     else
     {
         // but all the rest is drawn by the cell renderer and hence may be
         // customized
-        attr->GetRenderer(this, row, col)->
-            Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
-
+        wxGridCellRenderer *renderer = attr->GetRenderer(this, row, col);
+        renderer->Draw(*this, *attr, dc, rect, row, col, IsInSelection(coords));
+        renderer->DecRef();
     }
 
     attr->DecRef();
     }
 
     attr->DecRef();
@@ -5382,10 +5821,13 @@ void wxGrid::ShowCellEditControl()
                                new wxGridCellEditorEvtHandler(this, editor));
             }
 
                                new wxGridCellEditorEvtHandler(this, editor));
             }
 
+            editor->Show( TRUE, attr );
+
             editor->SetSize( rect );
 
             editor->SetSize( rect );
 
-            editor->Show( TRUE, attr );
             editor->BeginEdit(row, col, this);
             editor->BeginEdit(row, col, this);
+
+            editor->DecRef();
             attr->DecRef();
          }
     }
             attr->DecRef();
          }
     }
@@ -5400,7 +5842,9 @@ void wxGrid::HideCellEditControl()
         int col = m_currentCellCoords.GetCol();
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
         int col = m_currentCellCoords.GetCol();
 
         wxGridCellAttr* attr = GetCellAttr(row, col);
-        attr->GetEditor(this, row, col)->Show( FALSE );
+        wxGridCellEditor *editor = attr->GetEditor(this, row, col);
+        editor->Show( FALSE );
+        editor->DecRef();
         attr->DecRef();
         m_gridWin->SetFocus();
     }
         attr->DecRef();
         m_gridWin->SetFocus();
     }
@@ -5418,6 +5862,7 @@ void wxGrid::SaveEditControlValue()
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
         bool changed = editor->EndEdit(row, col, this);
 
         wxGridCellEditor* editor = attr->GetEditor(this, row, col);
         bool changed = editor->EndEdit(row, col, this);
 
+        editor->DecRef();
         attr->DecRef();
 
         if (changed)
         attr->DecRef();
 
         if (changed)
@@ -6348,7 +6793,7 @@ void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
 
 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
 {
 
 wxGridCellRenderer *wxGrid::GetDefaultRenderer() const
 {
-    return m_defaultCellAttr->GetRenderer(NULL,0,0);
+    return m_defaultCellAttr->GetRenderer(NULL, 0, 0);
 }
 
 wxGridCellEditor *wxGrid::GetDefaultEditor() const
 }
 
 wxGridCellEditor *wxGrid::GetDefaultEditor() const
@@ -6364,7 +6809,7 @@ wxColour wxGrid::GetCellBackgroundColour(int row, int col)
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetBackgroundColour();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetBackgroundColour();
-    attr->SafeDecRef();
+    attr->DecRef();
     return colour;
 }
 
     return colour;
 }
 
@@ -6372,7 +6817,7 @@ wxColour wxGrid::GetCellTextColour( int row, int col )
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetTextColour();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetTextColour();
-    attr->SafeDecRef();
+    attr->DecRef();
     return colour;
 }
 
     return colour;
 }
 
@@ -6380,7 +6825,7 @@ wxFont wxGrid::GetCellFont( int row, int col )
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxFont font = attr->GetFont();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxFont font = attr->GetFont();
-    attr->SafeDecRef();
+    attr->DecRef();
     return font;
 }
 
     return font;
 }
 
@@ -6388,7 +6833,7 @@ void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetAlignment(horiz, vert);
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetAlignment(horiz, vert);
-    attr->SafeDecRef();
+    attr->DecRef();
 }
 
 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
 }
 
 wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
@@ -6396,6 +6841,7 @@ wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
     attr->DecRef();
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
     attr->DecRef();
+
     return renderer;
 }
 
     return renderer;
 }
 
@@ -6404,6 +6850,7 @@ wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
     attr->DecRef();
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellEditor* editor = attr->GetEditor(this, row, col);
     attr->DecRef();
+
     return editor;
 }
 
     return editor;
 }
 
@@ -6433,7 +6880,7 @@ void wxGrid::ClearAttrCache()
 {
     if ( m_attrCache.row != -1 )
     {
 {
     if ( m_attrCache.row != -1 )
     {
-        m_attrCache.attr->SafeDecRef();
+        wxSafeDecRef(m_attrCache.attr);
         m_attrCache.row = -1;
     }
 }
         m_attrCache.row = -1;
     }
 }
@@ -6446,7 +6893,7 @@ void wxGrid::CacheAttr(int row, int col, wxGridCellAttr *attr) const
     self->m_attrCache.row = row;
     self->m_attrCache.col = col;
     self->m_attrCache.attr = attr;
     self->m_attrCache.row = row;
     self->m_attrCache.col = col;
     self->m_attrCache.attr = attr;
-    attr->SafeIncRef();
+    wxSafeIncRef(attr);
 }
 
 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
 }
 
 bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
@@ -6454,7 +6901,7 @@ bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
     if ( row == m_attrCache.row && col == m_attrCache.col )
     {
         *attr = m_attrCache.attr;
     if ( row == m_attrCache.row && col == m_attrCache.col )
     {
         *attr = m_attrCache.attr;
-        (*attr)->SafeIncRef();
+        wxSafeIncRef(m_attrCache.attr);
 
 #ifdef DEBUG_ATTR_CACHE
         gs_nAttrCacheHits++;
 
 #ifdef DEBUG_ATTR_CACHE
         gs_nAttrCacheHits++;
@@ -6518,6 +6965,40 @@ wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
     return attr;
 }
 
     return attr;
 }
 
+// ----------------------------------------------------------------------------
+// setting column attributes (wrappers around SetColAttr)
+// ----------------------------------------------------------------------------
+
+void wxGrid::SetColFormatBool(int col)
+{
+    SetColFormatCustom(col, wxGRID_VALUE_BOOL);
+}
+
+void wxGrid::SetColFormatNumber(int col)
+{
+    SetColFormatCustom(col, wxGRID_VALUE_NUMBER);
+}
+
+void wxGrid::SetColFormatFloat(int col, int width, int precision)
+{
+    wxString typeName = wxGRID_VALUE_FLOAT;
+    if ( (width != -1) || (precision != -1) )
+    {
+        typeName << _T(':') << width << _T(',') << precision;
+    }
+
+    SetColFormatCustom(col, typeName);
+}
+
+void wxGrid::SetColFormatCustom(int col, const wxString& typeName)
+{
+    wxGridCellAttr *attr = new wxGridCellAttr;
+    wxGridCellRenderer *renderer = GetDefaultRendererForType(typeName);
+    attr->SetRenderer(renderer);
+
+    SetColAttr(col, attr);
+}
+
 // ----------------------------------------------------------------------------
 // setting cell attributes: this is forwarded to the table
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // setting cell attributes: this is forwarded to the table
 // ----------------------------------------------------------------------------
@@ -6530,7 +7011,7 @@ void wxGrid::SetRowAttr(int row, wxGridCellAttr *attr)
     }
     else
     {
     }
     else
     {
-        attr->SafeDecRef();
+        wxSafeDecRef(attr);
     }
 }
 
     }
 }
 
@@ -6542,7 +7023,7 @@ void wxGrid::SetColAttr(int col, wxGridCellAttr *attr)
     }
     else
     {
     }
     else
     {
-        attr->SafeDecRef();
+        wxSafeDecRef(attr);
     }
 }
 
     }
 }
 
@@ -6643,24 +7124,28 @@ wxGridCellRenderer* wxGrid::GetDefaultRendererForCell(int row, int col) const
 wxGridCellEditor*
 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
 {
 wxGridCellEditor*
 wxGrid::GetDefaultEditorForType(const wxString& typeName) const
 {
-    int index = m_typeRegistry->FindDataType(typeName);
-    if (index == -1) {
-        // Should we force the failure here or let it fallback to string handling???
-        // wxFAIL_MSG(wxT("Unknown data type name"));
+    int index = m_typeRegistry->FindOrCloneDataType(typeName);
+    if ( index == wxNOT_FOUND )
+    {
+        wxFAIL_MSG(wxT("Unknown data type name"));
+
         return NULL;
     }
         return NULL;
     }
+
     return m_typeRegistry->GetEditor(index);
 }
 
 wxGridCellRenderer*
 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
 {
     return m_typeRegistry->GetEditor(index);
 }
 
 wxGridCellRenderer*
 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
 {
-    int index = m_typeRegistry->FindDataType(typeName);
-    if (index == -1) {
-        // Should we force the failure here or let it fallback to string handling???
-        // wxFAIL_MSG(wxT("Unknown data type name"));
+    int index = m_typeRegistry->FindOrCloneDataType(typeName);
+    if ( index == wxNOT_FOUND )
+    {
+        wxFAIL_MSG(wxT("Unknown data type name"));
+
         return NULL;
     }
         return NULL;
     }
+
     return m_typeRegistry->GetRenderer(index);
 }
 
     return m_typeRegistry->GetRenderer(index);
 }
 
@@ -6759,74 +7244,169 @@ void wxGrid::SetColSize( int col, int width )
 
 void wxGrid::SetColMinimalWidth( int col, int width )
 {
 
 void wxGrid::SetColMinimalWidth( int col, int width )
 {
-    m_colMinWidths.Put(col, (wxObject *)width);
+    m_colMinWidths.Put(col, width);
+}
+
+void wxGrid::SetRowMinimalHeight( int row, int width )
+{
+    m_rowMinHeights.Put(row, width);
 }
 
 int wxGrid::GetColMinimalWidth(int col) const
 {
 }
 
 int wxGrid::GetColMinimalWidth(int col) const
 {
-    wxObject *obj = m_colMinWidths.Get(m_dragRowOrCol);
-    return obj ? (int)obj : WXGRID_MIN_COL_WIDTH;
+    long value = m_colMinWidths.Get(col);
+    return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_COL_WIDTH;
+}
+
+int wxGrid::GetRowMinimalHeight(int row) const
+{
+    long value = m_rowMinHeights.Get(row);
+    return value != wxNOT_FOUND ? (int)value : WXGRID_MIN_ROW_HEIGHT;
 }
 
 }
 
-void wxGrid::AutoSizeColumn( int col, bool setAsMin )
+// ----------------------------------------------------------------------------
+// auto sizing
+// ----------------------------------------------------------------------------
+
+void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 {
     wxClientDC dc(m_gridWin);
 
 {
     wxClientDC dc(m_gridWin);
 
-    wxCoord width, widthMax = 0;
-    for ( int row = 0; row < m_numRows; row++ )
+    // init both of them to avoid compiler warnings, even if weo nly need one
+    int row = -1,
+        col = -1;
+    if ( column )
+        col = colOrRow;
+    else
+        row = colOrRow;
+
+    wxCoord extent, extentMax = 0;
+    int max = column ? m_numRows : m_numCols;
+    for ( int rowOrCol = 0; rowOrCol < max; rowOrCol++ )
     {
     {
+        if ( column )
+            row = rowOrCol;
+        else
+            col = rowOrCol;
+
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
         if ( renderer )
         {
         wxGridCellAttr* attr = GetCellAttr(row, col);
         wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
         if ( renderer )
         {
-            width = renderer->GetBestSize(*this, *attr, dc, row, col).x;
-            if ( width > widthMax )
+            wxSize size = renderer->GetBestSize(*this, *attr, dc, row, col);
+            extent = column ? size.x : size.y;
+            if ( extent > extentMax )
             {
             {
-                widthMax = width;
+                extentMax = extent;
             }
             }
+
+            renderer->DecRef();
         }
 
         attr->DecRef();
     }
 
         }
 
         attr->DecRef();
     }
 
-    // now also compare with the column label width
+    // now also compare with the column label extent
+    wxCoord w, h;
     dc.SetFont( GetLabelFont() );
     dc.SetFont( GetLabelFont() );
-    dc.GetTextExtent( GetColLabelValue(col), &width, NULL );
-    if ( width > widthMax )
+
+    if ( column )
+        dc.GetTextExtent( GetColLabelValue(col), &w, &h );
+    else
+        dc.GetTextExtent( GetRowLabelValue(col), &w, &h );
+
+    extent = column ? w : h;
+    if ( extent > extentMax )
     {
     {
-        widthMax = width;
+        extentMax = extent;
     }
 
     }
 
-    if ( !widthMax )
+    if ( !extentMax )
     {
     {
-        // empty column - give default width (notice that if widthMax is less
-        // than default width but != 0, it's ok)
-        widthMax = m_defaultColWidth;
+        // empty column - give default extent (notice that if extentMax is less
+        // than default extent but != 0, it's ok)
+        extentMax = column ? m_defaultColWidth : m_defaultRowHeight;
     }
     else
     {
     }
     else
     {
-        // leave some space around text
-        widthMax += 10;
+        if ( column )
+        {
+            // leave some space around text
+            extentMax += 10;
+        }
     }
 
     }
 
-    SetColSize(col, widthMax);
+    if ( column )
+        SetColSize(col, extentMax);
+    else
+        SetRowSize(row, extentMax);
+
     if ( setAsMin )
     {
     if ( setAsMin )
     {
-        SetColMinimalWidth(col, widthMax);
+        if ( column )
+            SetColMinimalWidth(col, extentMax);
+        else
+            SetRowMinimalHeight(row, extentMax);
     }
 }
 
     }
 }
 
-void wxGrid::AutoSizeColumns( bool setAsMin )
+int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
 {
 {
+    int width = m_rowLabelWidth;
+
     for ( int col = 0; col < m_numCols; col++ )
     {
     for ( int col = 0; col < m_numCols; col++ )
     {
-        AutoSizeColumn(col, setAsMin);
+        if ( !calcOnly )
+        {
+            AutoSizeColumn(col, setAsMin);
+        }
+
+        width += GetColWidth(col);
     }
     }
+
+    return width;
 }
 
 }
 
-//
-// ------ cell value accessor functions
-//
+int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
+{
+    int height = m_colLabelHeight;
+
+    for ( int row = 0; row < m_numRows; row++ )
+    {
+        if ( !calcOnly )
+        {
+            AutoSizeRow(row, setAsMin);
+        }
+
+        height += GetRowHeight(row);
+    }
+
+    return height;
+}
+
+void wxGrid::AutoSize()
+{
+    // set the size too
+    SetSize(SetOrCalcColumnSizes(FALSE), SetOrCalcRowSizes(FALSE));
+}
+
+wxSize wxGrid::DoGetBestSize() const
+{
+    // don't set sizes, only calculate them
+    wxGrid *self = (wxGrid *)this;  // const_cast
+
+    return wxSize(self->SetOrCalcColumnSizes(TRUE),
+                  self->SetOrCalcRowSizes(TRUE));
+}
+
+void wxGrid::Fit()
+{
+    AutoSize();
+}
+
+// ----------------------------------------------------------------------------
+// cell value accessor functions
+// ----------------------------------------------------------------------------
 
 void wxGrid::SetCellValue( int row, int col, const wxString& s )
 {
 
 void wxGrid::SetCellValue( int row, int col, const wxString& s )
 {
@@ -6857,83 +7437,16 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
 
 void wxGrid::SelectRow( int row, bool addToSelected )
 {
 
 void wxGrid::SelectRow( int row, bool addToSelected )
 {
-    wxRect r;
+    if ( IsSelection() && !addToSelected )
+        m_selection->ClearSelection();
 
 
-    if ( IsSelection() && addToSelected )
-    {
-        wxRect  rect[4];
-        bool    need_refresh[4];
-        need_refresh[0] =
-        need_refresh[1] =
-        need_refresh[2] =
-        need_refresh[3] = FALSE;
-
-        int     i;
-
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
-
-        if ( oldTop > row )
-        {
-            need_refresh[0] = TRUE;
-            rect[0] = BlockToDeviceRect( wxGridCellCoords ( row, 0 ),
-                                         wxGridCellCoords ( oldTop - 1,
-                                                            m_numCols - 1 ) );
-            m_selectedTopLeft.SetRow( row );
-        }
-
-        if ( oldLeft > 0 )
-        {
-            need_refresh[1] = TRUE;
-            rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop, 0 ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            oldLeft - 1 ) );
-
-            m_selectedTopLeft.SetCol( 0 );
-        }
-
-        if ( oldBottom < row )
-        {
-            need_refresh[2] = TRUE;
-            rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1, 0 ),
-                                         wxGridCellCoords ( row,
-                                                            m_numCols - 1 ) );
-            m_selectedBottomRight.SetRow( row );
-        }
-
-        if ( oldRight < m_numCols - 1 )
-        {
-            need_refresh[3] = TRUE;
-            rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldTop ,
-                                                            oldRight + 1 ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            m_numCols - 1 ) );
-            m_selectedBottomRight.SetCol( m_numCols - 1 );
-        }
-
-        for (i = 0; i < 4; i++ )
-            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
-    }
-    else
-    {
-        r = SelectionToDeviceRect();
-        ClearSelection();
-        if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
-
-        m_selectedTopLeft.Set( row, 0 );
-        m_selectedBottomRight.Set( row, m_numCols-1 );
-        r = SelectionToDeviceRect();
-        m_gridWin->Refresh( FALSE, &r );
-    }
+    m_selection->SelectRow( row );
 
     wxGridRangeSelectEvent gridEvt( GetId(),
                                     wxEVT_GRID_RANGE_SELECT,
                                     this,
 
     wxGridRangeSelectEvent gridEvt( GetId(),
                                     wxEVT_GRID_RANGE_SELECT,
                                     this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );
+                                    wxGridCellCoords( row, 0 ),
+                                    wxGridCellCoords( row, m_numCols - 1 ) );
 
     GetEventHandler()->ProcessEvent(gridEvt);
 }
 
     GetEventHandler()->ProcessEvent(gridEvt);
 }
@@ -6941,81 +7454,16 @@ void wxGrid::SelectRow( int row, bool addToSelected )
 
 void wxGrid::SelectCol( int col, bool addToSelected )
 {
 
 void wxGrid::SelectCol( int col, bool addToSelected )
 {
-    if ( IsSelection() && addToSelected )
-    {
-        wxRect  rect[4];
-        bool    need_refresh[4];
-        need_refresh[0] =
-        need_refresh[1] =
-        need_refresh[2] =
-        need_refresh[3] = FALSE;
-        int     i;
-
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
-
-        if ( oldLeft > col )
-        {
-            need_refresh[0] = TRUE;
-            rect[0] = BlockToDeviceRect( wxGridCellCoords ( 0, col ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            oldLeft - 1 ) );
-            m_selectedTopLeft.SetCol( col );
-        }
-
-        if ( oldTop  > 0 )
-        {
-            need_refresh[1] = TRUE;
-            rect[1] = BlockToDeviceRect( wxGridCellCoords ( 0, oldLeft ),
-                                         wxGridCellCoords ( oldTop - 1,
-                                                            oldRight ) );
-            m_selectedTopLeft.SetRow( 0 );
-        }
-
-        if ( oldRight < col )
-        {
-            need_refresh[2] = TRUE;
-            rect[2] = BlockToDeviceRect( wxGridCellCoords ( 0, oldRight + 1 ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            col            ) );
-            m_selectedBottomRight.SetCol( col );
-        }
-
-        if ( oldBottom < m_numRows - 1 )
-        {
-            need_refresh[3] = TRUE;
-            rect[3] = BlockToDeviceRect( wxGridCellCoords ( oldBottom + 1,
-                                                            oldLeft ),
-                                         wxGridCellCoords ( m_numRows - 1,
-                                                            oldRight ) );
-            m_selectedBottomRight.SetRow( m_numRows - 1 );
-        }
-
-        for (i = 0; i < 4; i++ )
-            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
-    }
-    else
-    {
-        wxRect r;
-
-        r = SelectionToDeviceRect();
-        ClearSelection();
-        if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );
+    if ( IsSelection() && !addToSelected )
+        m_selection->ClearSelection();
 
 
-        m_selectedTopLeft.Set( 0, col );
-        m_selectedBottomRight.Set( m_numRows-1, col );
-        r = SelectionToDeviceRect();
-        m_gridWin->Refresh( FALSE, &r );
-    }
+    m_selection->SelectCol( col );
 
     wxGridRangeSelectEvent gridEvt( GetId(),
                                     wxEVT_GRID_RANGE_SELECT,
                                     this,
 
     wxGridRangeSelectEvent gridEvt( GetId(),
                                     wxEVT_GRID_RANGE_SELECT,
                                     this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );
+                                    wxGridCellCoords( 0, col ),
+                                    wxGridCellCoords( m_numRows - 1, col ) );
 
     GetEventHandler()->ProcessEvent(gridEvt);
 }
 
     GetEventHandler()->ProcessEvent(gridEvt);
 }
@@ -7043,8 +7491,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
     updateTopLeft = wxGridCellCoords( topRow, leftCol );
     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
 
     updateTopLeft = wxGridCellCoords( topRow, leftCol );
     updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
 
-    if ( m_selectedTopLeft != updateTopLeft ||
-         m_selectedBottomRight != updateBottomRight )
+    if ( m_selectingTopLeft != updateTopLeft ||
+         m_selectingBottomRight != updateBottomRight )
     {
         // Compute two optimal update rectangles:
         // Either one rectangle is a real subset of the
     {
         // Compute two optimal update rectangles:
         // Either one rectangle is a real subset of the
@@ -7058,10 +7506,10 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
         int     i;
 
         // Store intermediate values
         int     i;
 
         // Store intermediate values
-        wxCoord oldLeft   = m_selectedTopLeft.GetCol();
-        wxCoord oldTop    = m_selectedTopLeft.GetRow();
-        wxCoord oldRight  = m_selectedBottomRight.GetCol();
-        wxCoord oldBottom = m_selectedBottomRight.GetRow();
+        wxCoord oldLeft   = m_selectingTopLeft.GetCol();
+        wxCoord oldTop    = m_selectingTopLeft.GetRow();
+        wxCoord oldRight  = m_selectingBottomRight.GetCol();
+        wxCoord oldBottom = m_selectingBottomRight.GetRow();
 
         // Determine the outer/inner coordinates.
         if (oldLeft > leftCol)
 
         // Determine the outer/inner coordinates.
         if (oldLeft > leftCol)
@@ -7131,8 +7579,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
 
 
         // Change Selection
 
 
         // Change Selection
-        m_selectedTopLeft = updateTopLeft;
-        m_selectedBottomRight = updateBottomRight;
+        m_selectingTopLeft = updateTopLeft;
+        m_selectingBottomRight = updateBottomRight;
 
         // various Refresh() calls
         for (i = 0; i < 4; i++ )
 
         // various Refresh() calls
         for (i = 0; i < 4; i++ )
@@ -7148,8 +7596,8 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         wxEVT_GRID_RANGE_SELECT,
                                         this,
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         wxEVT_GRID_RANGE_SELECT,
                                         this,
-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight );
+                                        m_selectingTopLeft,
+                                        m_selectingBottomRight );
 
         GetEventHandler()->ProcessEvent(gridEvt);
     }
 
         GetEventHandler()->ProcessEvent(gridEvt);
     }
@@ -7157,17 +7605,30 @@ void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
 
 void wxGrid::SelectAll()
 {
 
 void wxGrid::SelectAll()
 {
-    m_selectedTopLeft.Set( 0, 0 );
-    m_selectedBottomRight.Set( m_numRows-1, m_numCols-1 );
+    m_selection->SelectBlock( 0, 0, m_numRows-1, m_numCols-1 );
+}
 
 
-    m_gridWin->Refresh();
+bool wxGrid::IsSelection()
+{
+    return ( m_selection->IsSelection() ||
+             ( m_selectingTopLeft != wxGridNoCellCoords &&
+               m_selectingBottomRight != wxGridNoCellCoords ) );
 }
 
 }
 
+bool wxGrid::IsInSelection( int row, int col )
+{
+    return ( m_selection->IsInSelection( row, col ) ||
+             ( row >= m_selectingTopLeft.GetRow() &&
+               col >= m_selectingTopLeft.GetCol() &&
+               row <= m_selectingBottomRight.GetRow() &&
+               col <= m_selectingBottomRight.GetCol() ) );
+}
 
 void wxGrid::ClearSelection()
 {
 
 void wxGrid::ClearSelection()
 {
-    m_selectedTopLeft = wxGridNoCellCoords;
-    m_selectedBottomRight = wxGridNoCellCoords;
+    m_selectingTopLeft = wxGridNoCellCoords;
+    m_selectingBottomRight = wxGridNoCellCoords;
+    m_selection->ClearSelection();
 }
 
 
 }
 
 
@@ -7282,4 +7743,3 @@ wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObjec
 
 
 #endif // ifndef wxUSE_NEW_GRID
 
 
 #endif // ifndef wxUSE_NEW_GRID
-
wxWidgets (Impactor)