Added DECLARE/IMLEMENT_CLASS for wxToolBarBase

[wxWidgets.git] / src / generic / grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 1674f1e50277ed0fa56e386cf45dd3a8cda4b4db..5e8559b6c4e58c838b4c0df58dfadbe3eb664d0c 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -21,7 +21,7 @@
     #pragma implementation "grid.h"
 #endif
 
     #pragma implementation "grid.h"
 #endif
 

-// For compilers that support precompilation, includes "wx/wx.h".
+// For compilers that support precompilatixon, includes "wx/wx.h".

 #include "wx/wxprec.h"
 
 #include "wx/defs.h"
 #include "wx/wxprec.h"
 
 #include "wx/defs.h"


@@ -47,14 +47,31 @@
 
 #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"
+
+#if defined(__WXMOTIF__)
+    #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
+#else
+    #define WXUNUSED_MOTIF(identifier)  identifier
+#endif
+
+#if defined(__WXGTK__)
+    #define WXUNUSED_GTK(identifier)    WXUNUSED(identifier)
+#else
+    #define WXUNUSED_GTK(identifier)    identifier
+#endif
+
+// Required for wxIs... functions
+#include <ctype.h>

 
 // ----------------------------------------------------------------------------
 // array classes
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // array classes
 // ----------------------------------------------------------------------------
 

-WX_DEFINE_ARRAY(wxGridCellAttr *, wxArrayAttrs);
+WX_DEFINE_EXPORTED_ARRAY(wxGridCellAttr *, wxArrayAttrs);

 
 struct wxGridCellWithAttr
 {
 
 struct wxGridCellWithAttr
 {


@@ -72,7 +89,7 @@ struct wxGridCellWithAttr
     wxGridCellAttr  *attr;
 };
 
     wxGridCellAttr  *attr;
 };
 

-WX_DECLARE_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);
+WX_DECLARE_EXPORTED_OBJARRAY(wxGridCellWithAttr, wxGridCellWithAttrArray);

 
 #include "wx/arrimpl.cpp"
 
 
 #include "wx/arrimpl.cpp"
 


@@ -96,6 +113,7 @@ private:
     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );

+    void OnKeyUp( wxKeyEvent& );

 
     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
     DECLARE_EVENT_TABLE()
 
     DECLARE_DYNAMIC_CLASS(wxGridRowLabelWindow)
     DECLARE_EVENT_TABLE()


@@ -115,6 +133,7 @@ private:
     void OnPaint( wxPaintEvent &event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
     void OnPaint( wxPaintEvent &event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );

+    void OnKeyUp( wxKeyEvent& );

 
     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
     DECLARE_EVENT_TABLE()
 
     DECLARE_DYNAMIC_CLASS(wxGridColLabelWindow)
     DECLARE_EVENT_TABLE()


@@ -133,6 +152,7 @@ private:
 
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );
 
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& event );

+    void OnKeyUp( wxKeyEvent& );

     void OnPaint( wxPaintEvent& event );
 
     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)
     void OnPaint( wxPaintEvent& event );
 
     DECLARE_DYNAMIC_CLASS(wxGridCornerLabelWindow)


@@ -165,6 +185,7 @@ private:
     void OnPaint( wxPaintEvent &event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& );
     void OnPaint( wxPaintEvent &event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnKeyDown( wxKeyEvent& );

+    void OnKeyUp( wxKeyEvent& );

     void OnEraseBackground( wxEraseEvent& );
 
 
     void OnEraseBackground( wxEraseEvent& );
 
 


@@ -275,18 +296,31 @@ struct wxGridDataTypeInfo
 };
 
 
 };
 
 

-WX_DEFINE_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);
+WX_DEFINE_EXPORTED_ARRAY(wxGridDataTypeInfo*, wxGridDataTypeInfoArray);

 
 
 class WXDLLEXPORT wxGridTypeRegistry
 {
 public:
 
 
 class WXDLLEXPORT wxGridTypeRegistry
 {
 public:

+  wxGridTypeRegistry() {}

     ~wxGridTypeRegistry();
 
     void RegisterDataType(const wxString& typeName,
                      wxGridCellRenderer* renderer,
                      wxGridCellEditor* editor);
     ~wxGridTypeRegistry();
 
     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);
 


@@ -338,8 +372,6 @@ static const int GRID_HASH_SIZE = 100;
 wxGridCellEditor::wxGridCellEditor()
 {
     m_control = NULL;
 wxGridCellEditor::wxGridCellEditor()
 {
     m_control = NULL;

-
-    m_nRef = 1;

 }
 
 
 }
 
 


@@ -439,6 +471,11 @@ void wxGridCellEditor::HandleReturn(wxKeyEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 

+bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
+{
+    // accept the simple key presses, not anything with Ctrl/Alt/Meta
+    return !event.HasModifiers();
+}

 
 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 {
 
 void wxGridCellEditor::StartingKey(wxKeyEvent& event)
 {


@@ -455,6 +492,7 @@ void wxGridCellEditor::StartingClick()
 
 wxGridCellTextEditor::wxGridCellTextEditor()
 {
 
 wxGridCellTextEditor::wxGridCellTextEditor()
 {

+    m_maxChars = 0;

 }
 
 void wxGridCellTextEditor::Create(wxWindow* parent,
 }
 
 void wxGridCellTextEditor::Create(wxWindow* parent,


@@ -464,10 +502,12 @@ void wxGridCellTextEditor::Create(wxWindow* parent,
     m_control = new wxTextCtrl(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize
 #if defined(__WXMSW__)
     m_control = new wxTextCtrl(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize
 #if defined(__WXMSW__)

-                               , wxTE_MULTILINE | wxTE_NO_VSCROLL // necessary ???
+                               , wxTE_MULTILINE | wxTE_NO_VSCROLL | wxTE_AUTO_SCROLL

 #endif
                               );
 
 #endif
                               );
 

+    // TODO: use m_maxChars
+

     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 
     wxGridCellEditor::Create(parent, id, evtHandler);
 }
 


@@ -498,7 +538,15 @@ void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
     }
 #else // !GTK
     int extra_x = ( rect.x > 2 )? 2 : 1;
     }
 #else // !GTK
     int extra_x = ( rect.x > 2 )? 2 : 1;

+    
+// MB: treat MSW separately here otherwise the caret doesn't show 
+// when the editor is in the first row. 
+#if defined(__WXMSW__)
+    int extra_y = 2;
+#else

     int extra_y = ( rect.y > 2 )? 2 : 1;
     int extra_y = ( rect.y > 2 )? 2 : 1;

+#endif // MSW
+

 #if defined(__WXMOTIF__)
     extra_x *= 2;
     extra_y *= 2;
 #if defined(__WXMOTIF__)
     extra_x *= 2;
     extra_y *= 2;


@@ -564,35 +612,125 @@ void wxGridCellTextEditor::DoReset(const wxString& startValue)
     Text()->SetInsertionPointEnd();
 }
 
     Text()->SetInsertionPointEnd();
 }
 

+bool wxGridCellTextEditor::IsAcceptedKey(wxKeyEvent& event)
+{
+    if ( wxGridCellEditor::IsAcceptedKey(event) )
+    {
+        int keycode = event.GetKeyCode();
+        switch ( keycode )
+        {
+            case WXK_NUMPAD0:
+            case WXK_NUMPAD1:
+            case WXK_NUMPAD2:
+            case WXK_NUMPAD3:
+            case WXK_NUMPAD4:
+            case WXK_NUMPAD5:
+            case WXK_NUMPAD6:
+            case WXK_NUMPAD7:
+            case WXK_NUMPAD8:
+            case WXK_NUMPAD9:
+            case WXK_MULTIPLY:
+            case WXK_NUMPAD_MULTIPLY:
+            case WXK_ADD:
+            case WXK_NUMPAD_ADD:
+            case WXK_SUBTRACT:
+            case WXK_NUMPAD_SUBTRACT:
+            case WXK_DECIMAL:
+            case WXK_NUMPAD_DECIMAL:
+            case WXK_DIVIDE:
+            case WXK_NUMPAD_DIVIDE:
+                return TRUE;
+
+            default:
+                // accept 8 bit chars too if isprint() agrees
+                if ( (keycode < 255) && (isprint(keycode)) )
+                    return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+

 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 {
 void wxGridCellTextEditor::StartingKey(wxKeyEvent& event)
 {

-    if ( !event.AltDown() && !event.MetaDown() && !event.ControlDown() )
-    {
-        // insert the key in the control
-        long keycode = event.KeyCode();
-        if ( isprint(keycode) )
-        {
-            // FIXME this is not going to work for non letters...
-            if ( !event.ShiftDown() )
-            {
-                keycode = tolower(keycode);
-            }
+    // we don't check for !HasModifiers() because IsAcceptedKey() did it
+
+    // insert the key in the control
+    wxChar ch;
+    int keycode = event.GetKeyCode();
+    switch ( keycode )
+    {
+        case WXK_NUMPAD0:
+        case WXK_NUMPAD1:
+        case WXK_NUMPAD2:
+        case WXK_NUMPAD3:
+        case WXK_NUMPAD4:
+        case WXK_NUMPAD5:
+        case WXK_NUMPAD6:
+        case WXK_NUMPAD7:
+        case WXK_NUMPAD8:
+        case WXK_NUMPAD9:
+            ch = _T('0') + keycode - WXK_NUMPAD0;
+            break;

 
 

-            Text()->AppendText((wxChar)keycode);
+        case WXK_MULTIPLY:
+        case WXK_NUMPAD_MULTIPLY:
+            ch = _T('*');
+            break;

 
 

-            return;
-        }
+        case WXK_ADD:
+        case WXK_NUMPAD_ADD:
+            ch = _T('+');
+            break;
+
+        case WXK_SUBTRACT:
+        case WXK_NUMPAD_SUBTRACT:
+            ch = _T('-');
+            break;
+
+        case WXK_DECIMAL:
+        case WXK_NUMPAD_DECIMAL:
+            ch = _T('.');
+            break;
+
+        case WXK_DIVIDE:
+        case WXK_NUMPAD_DIVIDE:
+            ch = _T('/');
+            break;
+
+        default:
+            if ( keycode < 256 && keycode >= 0 && isprint(keycode) )
+            {
+                // FIXME this is not going to work for non letters...
+                if ( !event.ShiftDown() )
+                {
+                    keycode = tolower(keycode);
+                }

 
 

+                ch = (wxChar)keycode;
+            }
+            else
+            {
+                ch = _T('\0');
+            }

     }
 
     }
 

-    event.Skip();
+    if ( ch )
+    {
+        Text()->AppendText(ch);
+    }
+    else
+    {
+        event.Skip();
+    }

 }
 
 }
 

-void wxGridCellTextEditor::HandleReturn(wxKeyEvent& event)
+void wxGridCellTextEditor::HandleReturn( wxKeyEvent&
+                                         WXUNUSED_GTK(WXUNUSED_MOTIF(event)) )

 {
 #if defined(__WXMOTIF__) || defined(__WXGTK__)
     // wxMotif needs a little extra help...
 {
 #if defined(__WXMOTIF__) || defined(__WXGTK__)
     // wxMotif needs a little extra help...

-    int pos = Text()->GetInsertionPoint();
+    size_t pos = (size_t)( Text()->GetInsertionPoint() );

     wxString s( Text()->GetValue() );
     s = s.Left(pos) + "\n" + s.Mid(pos);
     Text()->SetValue(s);
     wxString s( Text()->GetValue() );
     s = s.Left(pos) + "\n" + s.Mid(pos);
     Text()->SetValue(s);


@@ -604,6 +742,27 @@ 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
 // ----------------------------------------------------------------------------


@@ -659,7 +818,8 @@ void wxGridCellNumberEditor::BeginEdit(int row, int col, wxGrid* grid)
 
     if ( HasRange() )
     {
 
     if ( HasRange() )
     {

-        Spin()->SetValue(m_valueOld);
+        Spin()->SetValue((int)m_valueOld);
+        Spin()->SetFocus();

     }
     else
     {
     }
     else
     {


@@ -688,7 +848,7 @@ bool wxGridCellNumberEditor::EndEdit(int row, int col,
         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_NUMBER))
             grid->GetTable()->SetValueAsLong(row, col, value);
         else
         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));
+            grid->GetTable()->SetValue(row, col, wxString::Format(wxT("%ld"), value));

     }
 
     return changed;
     }
 
     return changed;


@@ -698,7 +858,7 @@ void wxGridCellNumberEditor::Reset()
 {
     if ( HasRange() )
     {
 {
     if ( HasRange() )
     {

-        Spin()->SetValue(m_valueOld);
+        Spin()->SetValue((int)m_valueOld);

     }
     else
     {
     }
     else
     {


@@ -706,11 +866,45 @@ void wxGridCellNumberEditor::Reset()
     }
 }
 
     }
 }
 

+bool wxGridCellNumberEditor::IsAcceptedKey(wxKeyEvent& event)
+{
+    if ( wxGridCellEditor::IsAcceptedKey(event) )
+    {
+        int keycode = event.GetKeyCode();
+        switch ( keycode )
+        {
+            case WXK_NUMPAD0:
+            case WXK_NUMPAD1:
+            case WXK_NUMPAD2:
+            case WXK_NUMPAD3:
+            case WXK_NUMPAD4:
+            case WXK_NUMPAD5:
+            case WXK_NUMPAD6:
+            case WXK_NUMPAD7:
+            case WXK_NUMPAD8:
+            case WXK_NUMPAD9:
+            case WXK_ADD:
+            case WXK_NUMPAD_ADD:
+            case WXK_SUBTRACT:
+            case WXK_NUMPAD_SUBTRACT:
+            case WXK_UP:
+            case WXK_DOWN:
+                return TRUE;
+
+            default:
+                if ( (keycode < 128) && isdigit(keycode) )
+                    return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+

 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 {
     if ( !HasRange() )
     {
 void wxGridCellNumberEditor::StartingKey(wxKeyEvent& event)
 {
     if ( !HasRange() )
     {

-        long keycode = event.KeyCode();
+        int keycode = (int) event.KeyCode();

         if ( isdigit(keycode) || keycode == '+' || keycode == '-' )
         {
             wxGridCellTextEditor::StartingKey(event);
         if ( isdigit(keycode) || keycode == '+' || keycode == '-' )
         {
             wxGridCellTextEditor::StartingKey(event);


@@ -723,10 +917,44 @@ 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
 // ----------------------------------------------------------------------------
 

+wxGridCellFloatEditor::wxGridCellFloatEditor(int width, int precision)
+{
+    m_width = width;
+    m_precision = precision;
+}
+

 void wxGridCellFloatEditor::Create(wxWindow* parent,
                                    wxWindowID id,
                                    wxEvtHandler* evtHandler)
 void wxGridCellFloatEditor::Create(wxWindow* parent,
                                    wxWindowID id,
                                    wxEvtHandler* evtHandler)


@@ -768,7 +996,7 @@ bool wxGridCellFloatEditor::EndEdit(int row, int col,
         if (grid->GetTable()->CanSetValueAs(row, col, wxGRID_VALUE_FLOAT))
             grid->GetTable()->SetValueAsDouble(row, col, value);
         else
         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));
+            grid->GetTable()->SetValue(row, col, wxString::Format(wxT("%f"), value));

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -785,7 +1013,7 @@ void wxGridCellFloatEditor::Reset()
 
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {
 
 void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
 {

-    long keycode = event.KeyCode();
+    int keycode = (int)event.KeyCode();

     if ( isdigit(keycode) ||
          keycode == '+' || keycode == '-' || keycode == '.' )
     {
     if ( isdigit(keycode) ||
          keycode == '+' || keycode == '-' || keycode == '.' )
     {


@@ -798,6 +1026,91 @@ void wxGridCellFloatEditor::StartingKey(wxKeyEvent& event)
     event.Skip();
 }
 
     event.Skip();
 }
 

+void wxGridCellFloatEditor::SetParameters(const wxString& params)
+{
+    if ( !params )
+    {
+        // reset to default
+        m_width =
+        m_precision = -1;
+    }
+    else
+    {
+        long tmp;
+        if ( params.BeforeFirst(_T(',')).ToLong(&tmp) )
+        {
+            m_width = (int)tmp;
+
+            if ( params.AfterFirst(_T(',')).ToLong(&tmp) )
+            {
+                m_precision = (int)tmp;
+
+                // skip the error message below
+                return;
+            }
+        }
+
+        wxLogDebug(_T("Invalid wxGridCellFloatEditor parameter string '%s' ignored"), params.c_str());
+    }
+}
+
+wxString wxGridCellFloatEditor::GetString() const
+{
+    wxString fmt;
+    if ( m_width == -1 )
+    {
+        // default width/precision
+        fmt = _T("%g");
+    }
+    else if ( m_precision == -1 )
+    {
+        // default precision
+        fmt.Printf(_T("%%%d.g"), m_width);
+    }
+    else
+    {
+        fmt.Printf(_T("%%%d.%dg"), m_width, m_precision);
+    }
+
+    return wxString::Format(fmt, m_valueOld);
+}
+
+bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
+{
+    if ( wxGridCellEditor::IsAcceptedKey(event) )
+    {
+        int keycode = event.GetKeyCode();
+        switch ( keycode )
+        {
+            case WXK_NUMPAD0:
+            case WXK_NUMPAD1:
+            case WXK_NUMPAD2:
+            case WXK_NUMPAD3:
+            case WXK_NUMPAD4:
+            case WXK_NUMPAD5:
+            case WXK_NUMPAD6:
+            case WXK_NUMPAD7:
+            case WXK_NUMPAD8:
+            case WXK_NUMPAD9:
+            case WXK_ADD:
+            case WXK_NUMPAD_ADD:
+            case WXK_SUBTRACT:
+            case WXK_NUMPAD_SUBTRACT:
+            case WXK_DECIMAL:
+            case WXK_NUMPAD_DECIMAL:
+                return TRUE;
+
+            default:
+                // additionally accept 'e' as in '1e+6'
+                if ( (keycode < 128) &&
+                     (isdigit(keycode) || tolower(keycode) == 'e') )
+                    return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+

 // ----------------------------------------------------------------------------
 // wxGridCellBoolEditor
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellBoolEditor
 // ----------------------------------------------------------------------------


@@ -849,8 +1162,8 @@ void wxGridCellBoolEditor::SetSize(const wxRect& r)
     // so shift it to the right
     size.x -= 8;
 #elif defined(__WXMSW__)
     // so shift it to the right
     size.x -= 8;
 #elif defined(__WXMSW__)

-    // here too...
-    size.x -= 6;
+    // here too, but in other way
+    size.x += 1;

     size.y -= 2;
 #endif
 
     size.y -= 2;
 #endif
 


@@ -876,7 +1189,10 @@ void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
     else
     if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
         m_startValue = grid->GetTable()->GetValueAsBool(row, col);
     else

-        m_startValue = !!grid->GetTable()->GetValue(row, col);
+    {
+        wxString cellval( grid->GetTable()->GetValue(row, col) );
+        m_startValue = !( !cellval || (cellval == "0") );
+    }

     CBox()->SetValue(m_startValue);
     CBox()->SetFocus();
 }
     CBox()->SetValue(m_startValue);
     CBox()->SetFocus();
 }


@@ -916,22 +1232,57 @@ void wxGridCellBoolEditor::StartingClick()
     CBox()->SetValue(!CBox()->GetValue());
 }
 
     CBox()->SetValue(!CBox()->GetValue());
 }
 

+bool wxGridCellBoolEditor::IsAcceptedKey(wxKeyEvent& event)
+{
+    if ( wxGridCellEditor::IsAcceptedKey(event) )
+    {
+        int keycode = event.GetKeyCode();
+        switch ( keycode )
+        {
+            case WXK_MULTIPLY:
+            case WXK_NUMPAD_MULTIPLY:
+            case WXK_ADD:
+            case WXK_NUMPAD_ADD:
+            case WXK_SUBTRACT:
+            case WXK_NUMPAD_SUBTRACT:
+            case WXK_SPACE:
+            case '+':
+            case '-':
+                return TRUE;
+        }
+    }
+
+    return FALSE;
+}
+

 // ----------------------------------------------------------------------------
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 
 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,
 // ----------------------------------------------------------------------------
 // wxGridCellChoiceEditor
 // ----------------------------------------------------------------------------
 
 wxGridCellChoiceEditor::wxGridCellChoiceEditor(size_t count,

-                                               const wxChar* choices[],
+                                               const wxString choices[],

                                                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)


@@ -1007,6 +1358,23 @@ 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
 // ----------------------------------------------------------------------------


@@ -1049,6 +1417,20 @@ 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
 // ============================================================================


@@ -1061,7 +1443,7 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
                               wxGridCellAttr& attr,
                               wxDC& dc,
                               const wxRect& rect,
                               wxGridCellAttr& attr,
                               wxDC& dc,
                               const wxRect& rect,

-                              int row, int col,
+                              int WXUNUSED(row), int WXUNUSED(col),

                               bool isSelected)
 {
     dc.SetBackgroundMode( wxSOLID );
                               bool isSelected)
 {
     dc.SetBackgroundMode( wxSOLID );


@@ -1079,15 +1461,6 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
     dc.DrawRectangle(rect);
 }
 
     dc.DrawRectangle(rect);
 }
 

-void wxGridCellRenderer::SetParameters(const wxString& WXUNUSED(params))
-{
-    // nothing to do
-}
-
-wxGridCellRenderer::~wxGridCellRenderer()
-{
-}
-

 // ----------------------------------------------------------------------------
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // wxGridCellStringRenderer
 // ----------------------------------------------------------------------------


@@ -1119,11 +1492,18 @@ wxSize wxGridCellStringRenderer::DoGetBestSize(wxGridCellAttr& attr,
                                                wxDC& dc,
                                                const wxString& text)
 {
                                                wxDC& dc,
                                                const wxString& text)
 {

-    wxCoord x, y;
+    wxCoord x = 0, y = 0, max_x = 0;

     dc.SetFont(attr.GetFont());
     dc.SetFont(attr.GetFont());

-    dc.GetTextExtent(text, &x, &y);
+    wxStringTokenizer tk(text, _T('\n'));
+    while ( tk.HasMoreTokens() )
+    {
+        dc.GetTextExtent(tk.GetNextToken(), &x, &y);
+        max_x = wxMax(max_x, x);
+    }
+
+    y *= 1 + text.Freq(wxT('\n')); // multiply by the number of lines.

 
 

-    return wxSize(x, y);
+    return wxSize(max_x, y);

 }
 
 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,
 }
 
 wxSize wxGridCellStringRenderer::GetBestSize(wxGrid& grid,


@@ -1190,7 +1570,7 @@ void wxGridCellNumberRenderer::Draw(wxGrid& grid,
     // draw the text right aligned by default
     int hAlign, vAlign;
     attr.GetAlignment(&hAlign, &vAlign);
     // draw the text right aligned by default
     int hAlign, vAlign;
     attr.GetAlignment(&hAlign, &vAlign);

-    hAlign = wxRIGHT;
+    hAlign = wxALIGN_RIGHT;

 
     wxRect rect = rectCell;
     rect.Inflate(-1);
 
     wxRect rect = rectCell;
     rect.Inflate(-1);


@@ -1216,6 +1596,16 @@ 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();


@@ -1275,7 +1665,7 @@ void wxGridCellFloatRenderer::Draw(wxGrid& grid,
     // draw the text right aligned by default
     int hAlign, vAlign;
     attr.GetAlignment(&hAlign, &vAlign);
     // draw the text right aligned by default
     int hAlign, vAlign;
     attr.GetAlignment(&hAlign, &vAlign);

-    hAlign = wxRIGHT;
+    hAlign = wxALIGN_RIGHT;

 
     wxRect rect = rectCell;
     rect.Inflate(-1);
 
     wxRect rect = rectCell;
     rect.Inflate(-1);


@@ -1333,8 +1723,7 @@ void wxGridCellFloatRenderer::SetParameters(const wxString& params)
 
         if ( !ok )
         {
 
         if ( !ok )
         {

-            wxLogDebug(_T("Invalid wxGridCellFloatRenderer parameter string "
-                          "'%s ignored"), params.c_str());
+            wxLogDebug(_T("Invalid wxGridCellFloatRenderer parameter string '%s ignored"), params.c_str());

         }
     }
 }
         }
     }
 }


@@ -1348,11 +1737,7 @@ wxSize wxGridCellBoolRenderer::ms_sizeCheckMark;
 // FIXME these checkbox size calculations are really ugly...
 
 // between checkmark and box
 // FIXME these checkbox size calculations are really ugly...
 
 // between checkmark and box

-#ifdef __WXGTK__
-    static const wxCoord wxGRID_CHECKMARK_MARGIN = 4;
-#else
-    static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;
-#endif
+static const wxCoord wxGRID_CHECKMARK_MARGIN = 2;

 
 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
                                            wxGridCellAttr& WXUNUSED(attr),
 
 wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
                                            wxGridCellAttr& WXUNUSED(attr),


@@ -1367,7 +1752,7 @@ 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
 #if defined(__WXGTK__) || defined(__WXMOTIF__)
 
         // FIXME wxGTK::wxCheckBox::GetBestSize() gives "wrong" result
 #if defined(__WXGTK__) || defined(__WXMOTIF__)


@@ -1403,34 +1788,40 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
     }
 
     // draw a border around checkmark
     }
 
     // draw a border around checkmark

-    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);
-
-    rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
-
-#ifdef __WXMSW__
-    // looks nicer under MSW
-    rectMark.x++;
-#endif // MSW
+    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;
     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
         value = grid.GetTable()->GetValueAsBool(row, col);
     else
 
     bool value;
     if ( grid.GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
         value = grid.GetTable()->GetValueAsBool(row, col);
     else

-        value = !!grid.GetTable()->GetValue(row, col);
+    {
+        wxString cellval( grid.GetTable()->GetValue(row, col) );
+        value = !( !cellval || (cellval == "0") );
+    }

 
     if ( value )
     {
 
     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);

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -1580,8 +1971,8 @@ wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) cons
             editor->IncRef();
     }
 
             editor->IncRef();
     }
 

-    if ( grid )                   // get renderer for the data type
-        editor =  grid->GetDefaultEditorForCell(row, col);
+    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
 
     if ( !editor )
         // if we still don't have one then use the grid default


@@ -1746,8 +2137,8 @@ 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);


@@ -1755,17 +2146,19 @@ 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);

         }
     }
 }
         }
     }
 }


@@ -1907,7 +2300,7 @@ void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
 
     // is it already registered?
     wxGridDataTypeInfo* info = new wxGridDataTypeInfo(typeName, renderer, editor);
 
     // is it already registered?

-    int loc = FindDataType(typeName);
+    int loc = FindRegisteredDataType(typeName);

     if ( loc != wxNOT_FOUND )
     {
         delete m_typeinfo[loc];
     if ( loc != wxNOT_FOUND )
     {
         delete m_typeinfo[loc];


@@ -1919,32 +2312,120 @@ void wxGridTypeRegistry::RegisterDataType(const wxString& typeName,
     }
 }
 
     }
 }
 

-int wxGridTypeRegistry::FindDataType(const wxString& typeName)
+int wxGridTypeRegistry::FindRegisteredDataType(const wxString& typeName)

 {
 {

-    int found = -1;
-
-    for (size_t i=0; i<m_typeinfo.Count(); i++) {
-        if (typeName == m_typeinfo[i]->m_typeName) {
-            found = i;
-            break;
+    size_t count = m_typeinfo.GetCount();
+    for ( size_t i = 0; i < count; i++ )
+    {
+        if ( typeName == m_typeinfo[i]->m_typeName )
+        {
+            return i;

         }
     }
 
         }
     }
 

-    return found;
+    return wxNOT_FOUND;

 }
 
 }
 

-wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
+int wxGridTypeRegistry::FindDataType(const wxString& typeName)

 {
 {

-    wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
-    renderer->IncRef();
-    return renderer;
+    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;
+        }
+
+        // we get here only if just added the entry for this type, so return
+        // the last index
+        index = m_typeinfo.GetCount() - 1;
+    }
+
+    return index;

 }
 
 }
 

-wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
+int wxGridTypeRegistry::FindOrCloneDataType(const wxString& typeName)

 {
 {

-    wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
-    editor->IncRef();
-    return editor;
+    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 index;
+}
+
+wxGridCellRenderer* wxGridTypeRegistry::GetRenderer(int index)
+{
+    wxGridCellRenderer* renderer = m_typeinfo[index]->m_renderer;
+    renderer->IncRef();
+    return renderer;
+}
+
+wxGridCellEditor* wxGridTypeRegistry::GetEditor(int index)
+{
+    wxGridCellEditor* editor = m_typeinfo[index]->m_editor;
+    editor->IncRef();
+    return editor;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -2031,66 +2512,48 @@ void wxGridTableBase::SetColAttr(wxGridCellAttr *attr, int col)
     }
 }
 
     }
 }
 

-void wxGridTableBase::UpdateAttrRows( size_t pos, int numRows )
-{
-    if ( m_attrProvider )
-    {
-        m_attrProvider->UpdateAttrRows( pos, numRows );
-    }
-}
-
-void wxGridTableBase::UpdateAttrCols( size_t pos, int numCols )
-{
-    if ( m_attrProvider )
-    {
-        m_attrProvider->UpdateAttrCols( pos, numCols );
-    }
-}
-
-bool wxGridTableBase::InsertRows( size_t pos, size_t numRows )
+bool wxGridTableBase::InsertRows( size_t WXUNUSED(pos),
+                                  size_t WXUNUSED(numRows) )

 {
 {

-    wxFAIL_MSG( wxT("Called grid table class function InsertRows\n"
-                    "but your derived table class does not override this function") );
+    wxFAIL_MSG( wxT("Called grid table class function InsertRows\nbut your derived table class does not override this function") );

 
     return FALSE;
 }
 
 
     return FALSE;
 }
 

-bool wxGridTableBase::AppendRows( size_t numRows )
+bool wxGridTableBase::AppendRows( size_t WXUNUSED(numRows) )

 {
 {

-    wxFAIL_MSG( wxT("Called grid table class function AppendRows\n"
-                    "but your derived table class does not override this function"));
+    wxFAIL_MSG( wxT("Called grid table class function AppendRows\nbut your derived table class does not override this function"));

 
     return FALSE;
 }
 
 
     return FALSE;
 }
 

-bool wxGridTableBase::DeleteRows( size_t pos, size_t numRows )
+bool wxGridTableBase::DeleteRows( size_t WXUNUSED(pos),
+                                  size_t WXUNUSED(numRows) )

 {
 {

-    wxFAIL_MSG( wxT("Called grid table class function DeleteRows\n"
-                    "but your derived table class does not override this function"));
+    wxFAIL_MSG( wxT("Called grid table class function DeleteRows\nbut your derived table class does not override this function"));

 
     return FALSE;
 }
 
 
     return FALSE;
 }
 

-bool wxGridTableBase::InsertCols( size_t pos, size_t numCols )
+bool wxGridTableBase::InsertCols( size_t WXUNUSED(pos),
+                                  size_t WXUNUSED(numCols) )

 {
 {

-    wxFAIL_MSG( wxT("Called grid table class function InsertCols\n"
-                  "but your derived table class does not override this function"));
+    wxFAIL_MSG( wxT("Called grid table class function InsertCols\nbut your derived table class does not override this function"));

 
     return FALSE;
 }
 
 
     return FALSE;
 }
 

-bool wxGridTableBase::AppendCols( size_t numCols )
+bool wxGridTableBase::AppendCols( size_t WXUNUSED(numCols) )

 {
 {

-    wxFAIL_MSG(wxT("Called grid table class function AppendCols\n"
-                   "but your derived table class does not override this function"));
+    wxFAIL_MSG(wxT("Called grid table class function AppendCols\nbut your derived table class does not override this function"));

 
     return FALSE;
 }
 
 
     return FALSE;
 }
 

-bool wxGridTableBase::DeleteCols( size_t pos, size_t numCols )
+bool wxGridTableBase::DeleteCols( size_t WXUNUSED(pos),
+                                  size_t WXUNUSED(numCols) )

 {
 {

-    wxFAIL_MSG( wxT("Called grid table class function DeleteCols\n"
-                    "but your derived table class does not override this function"));
+    wxFAIL_MSG( wxT("Called grid table class function DeleteCols\nbut your derived table class does not override this function"));

 
     return FALSE;
 }
 
     return FALSE;
 }


@@ -2254,12 +2717,12 @@ wxGridStringTable::~wxGridStringTable()
 {
 }
 
 {
 }
 

-long wxGridStringTable::GetNumberRows()
+int wxGridStringTable::GetNumberRows()

 {
     return m_data.GetCount();
 }
 
 {
     return m_data.GetCount();
 }
 

-long wxGridStringTable::GetNumberCols()
+int wxGridStringTable::GetNumberCols()

 {
     if ( m_data.GetCount() > 0 )
         return m_data[0].GetCount();
 {
     if ( m_data.GetCount() > 0 )
         return m_data[0].GetCount();


@@ -2269,7 +2732,7 @@ long wxGridStringTable::GetNumberCols()
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {
 
 wxString wxGridStringTable::GetValue( int row, int col )
 {

-    wxASSERT_MSG( (row < GetNumberCols()) && (col < GetNumberCols()),
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),

                   _T("invalid row or column index in wxGridStringTable") );
 
     return m_data[row][col];
                   _T("invalid row or column index in wxGridStringTable") );
 
     return m_data[row][col];


@@ -2277,7 +2740,7 @@ wxString wxGridStringTable::GetValue( int row, int col )
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {
 
 void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 {

-    wxASSERT_MSG( (row < GetNumberCols()) && (col < GetNumberCols()),
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),

                   _T("invalid row or column index in wxGridStringTable") );
 
     m_data[row][col] = value;
                   _T("invalid row or column index in wxGridStringTable") );
 
     m_data[row][col] = value;


@@ -2285,7 +2748,7 @@ void wxGridStringTable::SetValue( int row, int col, const wxString& value )
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {
 
 bool wxGridStringTable::IsEmptyCell( int row, int col )
 {

-    wxASSERT_MSG( (row < GetNumberCols()) && (col < GetNumberCols()),
+    wxASSERT_MSG( (row < GetNumberRows()) && (col < GetNumberCols()),

                   _T("invalid row or column index in wxGridStringTable") );
 
     return (m_data[row][col] == wxEmptyString);
                   _T("invalid row or column index in wxGridStringTable") );
 
     return (m_data[row][col] == wxEmptyString);


@@ -2317,7 +2780,8 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();

-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
+                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );

 
     if ( pos >= curNumRows )
     {
 
     if ( pos >= curNumRows )
     {


@@ -2335,7 +2799,6 @@ bool wxGridStringTable::InsertRows( size_t pos, size_t numRows )
     {
         m_data.Insert( sa, row );
     }
     {
         m_data.Insert( sa, row );
     }

-    UpdateAttrRows( pos, numRows );

     if ( GetView() )
     {
         wxGridTableMessage msg( this,
     if ( GetView() )
     {
         wxGridTableMessage msg( this,


@@ -2354,7 +2817,8 @@ bool wxGridStringTable::AppendRows( size_t numRows )
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();

-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
+                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );

 
     wxArrayString sa;
     if ( curNumCols > 0 )
 
     wxArrayString sa;
     if ( curNumCols > 0 )


@@ -2392,10 +2856,9 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
     if ( pos >= curNumRows )
     {
         wxString errmsg;
     if ( pos >= curNumRows )
     {
         wxString errmsg;

-        errmsg.Printf("Called wxGridStringTable::DeleteRows(pos=%d, N=%d)\n"
-                      "Pos value is invalid for present table with %d rows",
+        errmsg.Printf(wxT("Called wxGridStringTable::DeleteRows(pos=%d, N=%d)\nPos value is invalid for present table with %d rows"),

                       pos, numRows, curNumRows );
                       pos, numRows, curNumRows );

-        wxFAIL_MSG( wxT(errmsg) );
+        wxFAIL_MSG( errmsg );

         return FALSE;
     }
 
         return FALSE;
     }
 


@@ -2415,7 +2878,6 @@ bool wxGridStringTable::DeleteRows( size_t pos, size_t numRows )
             m_data.Remove( pos );
         }
     }
             m_data.Remove( pos );
         }
     }

-    UpdateAttrRows( pos, -((int)numRows) );

     if ( GetView() )
     {
         wxGridTableMessage msg( this,
     if ( GetView() )
     {
         wxGridTableMessage msg( this,


@@ -2434,7 +2896,8 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();
     size_t row, col;
 
     size_t curNumRows = m_data.GetCount();

-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
+                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );

 
     if ( pos >= curNumCols )
     {
 
     if ( pos >= curNumCols )
     {


@@ -2448,7 +2911,6 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
             m_data[row].Insert( wxEmptyString, col );
         }
     }
             m_data[row].Insert( wxEmptyString, col );
         }
     }

-    UpdateAttrCols( pos, numCols );

     if ( GetView() )
     {
         wxGridTableMessage msg( this,
     if ( GetView() )
     {
         wxGridTableMessage msg( this,


@@ -2467,14 +2929,15 @@ bool wxGridStringTable::AppendCols( size_t numCols )
     size_t row, n;
 
     size_t curNumRows = m_data.GetCount();
     size_t row, n;
 
     size_t curNumRows = m_data.GetCount();

+#if 0

     if ( !curNumRows )
     {
         // TODO: something better than this ?
         //
     if ( !curNumRows )
     {
         // TODO: something better than this ?
         //

-        wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\n"
-                        "Call AppendRows() first") );
+        wxFAIL_MSG( wxT("Unable to append cols to a grid table with no rows.\nCall AppendRows() first") );

         return FALSE;
     }
         return FALSE;
     }

+#endif

 
     for ( row = 0;  row < curNumRows;  row++ )
     {
 
     for ( row = 0;  row < curNumRows;  row++ )
     {


@@ -2501,15 +2964,15 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
     size_t row, n;
 
     size_t curNumRows = m_data.GetCount();
     size_t row, n;
 
     size_t curNumRows = m_data.GetCount();

-    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() : 0 );
+    size_t curNumCols = ( curNumRows > 0 ? m_data[0].GetCount() :
+                          ( GetView() ? GetView()->GetNumberCols() : 0 ) );

 
     if ( pos >= curNumCols )
     {
         wxString errmsg;
 
     if ( pos >= curNumCols )
     {
         wxString errmsg;

-        errmsg.Printf( "Called wxGridStringTable::DeleteCols(pos=%d, N=%d)...\n"
-                        "Pos value is invalid for present table with %d cols",
+        errmsg.Printf( wxT("Called wxGridStringTable::DeleteCols(pos=%d, N=%d)...\nPos value is invalid for present table with %d cols"),

                         pos, numCols, curNumCols );
                         pos, numCols, curNumCols );

-        wxFAIL_MSG( wxT( errmsg ) );
+        wxFAIL_MSG( errmsg );

         return FALSE;
     }
 
         return FALSE;
     }
 


@@ -2532,7 +2995,6 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
             }
         }
     }
             }
         }
     }

-    UpdateAttrCols( pos, -((int)numCols) );

     if ( GetView() )
     {
         wxGridTableMessage msg( this,
     if ( GetView() )
     {
         wxGridTableMessage msg( this,


@@ -2615,6 +3077,7 @@ BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )

+    EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )

 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,


@@ -2625,7 +3088,7 @@ wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
     m_owner = parent;
 }
 
     m_owner = parent;
 }
 

-void wxGridRowLabelWindow::OnPaint( wxPaintEvent &event )
+void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )

 {
     wxPaintDC dc(this);
 
 {
     wxPaintDC dc(this);
 


@@ -2658,6 +3121,11 @@ void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 

+void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
+{
+    if ( !m_owner->ProcessEvent( event ) ) event.Skip();
+}
+

 
 
 //////////////////////////////////////////////////////////////////////
 
 
 //////////////////////////////////////////////////////////////////////


@@ -2668,6 +3136,7 @@ BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
     EVT_PAINT( wxGridColLabelWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
     EVT_PAINT( wxGridColLabelWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )

+    EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )

 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,


@@ -2678,7 +3147,7 @@ wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
     m_owner = parent;
 }
 
     m_owner = parent;
 }
 

-void wxGridColLabelWindow::OnPaint( wxPaintEvent &event )
+void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )

 {
     wxPaintDC dc(this);
 
 {
     wxPaintDC dc(this);
 


@@ -2711,6 +3180,11 @@ void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 

+void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
+{
+    if ( !m_owner->ProcessEvent( event ) ) event.Skip();
+}
+

 
 
 //////////////////////////////////////////////////////////////////////
 
 
 //////////////////////////////////////////////////////////////////////


@@ -2721,6 +3195,7 @@ BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint)
     EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )

+    EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )

 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,


@@ -2763,6 +3238,11 @@ void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 

+void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
+{
+    if ( !m_owner->ProcessEvent( event ) ) event.Skip();
+}
+

 
 
 //////////////////////////////////////////////////////////////////////
 
 
 //////////////////////////////////////////////////////////////////////


@@ -2773,6 +3253,7 @@ BEGIN_EVENT_TABLE( wxGridWindow, wxPanel )
     EVT_PAINT( wxGridWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )
     EVT_PAINT( wxGridWindow::OnPaint )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_KEY_DOWN( wxGridWindow::OnKeyDown )

+    EVT_KEY_UP( wxGridWindow::OnKeyUp )

     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
 END_EVENT_TABLE()
 
     EVT_ERASE_BACKGROUND( wxGridWindow::OnEraseBackground )
 END_EVENT_TABLE()
 


@@ -2823,7 +3304,7 @@ void wxGridWindow::OnMouseEvent( wxMouseEvent& event )
 }
 
 
 }
 
 

-// This seems to be required for wxMotif otherwise the mouse
+// This seems to be required for wxMotif/wxGTK otherwise the mouse

 // cursor must be in the cell edit control to get key events
 //
 void wxGridWindow::OnKeyDown( wxKeyEvent& event )
 // cursor must be in the cell edit control to get key events
 //
 void wxGridWindow::OnKeyDown( wxKeyEvent& event )


@@ -2831,8 +3312,12 @@ void wxGridWindow::OnKeyDown( wxKeyEvent& event )
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 
     if ( !m_owner->ProcessEvent( event ) ) event.Skip();
 }
 

+void wxGridWindow::OnKeyUp( wxKeyEvent& event )
+{
+    if ( !m_owner->ProcessEvent( event ) ) event.Skip();
+}

 
 

-void wxGridWindow::OnEraseBackground(wxEraseEvent& event)
+void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )

 {
 }
 
 {
 }
 


@@ -2846,6 +3331,7 @@ BEGIN_EVENT_TABLE( wxGrid, wxScrolledWindow )
     EVT_PAINT( wxGrid::OnPaint )
     EVT_SIZE( wxGrid::OnSize )
     EVT_KEY_DOWN( wxGrid::OnKeyDown )
     EVT_PAINT( wxGrid::OnPaint )
     EVT_SIZE( wxGrid::OnSize )
     EVT_KEY_DOWN( wxGrid::OnKeyDown )

+    EVT_KEY_UP( wxGrid::OnKeyUp )

     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 
     EVT_ERASE_BACKGROUND( wxGrid::OnEraseBackground )
 END_EVENT_TABLE()
 


@@ -2880,6 +3366,7 @@ wxGrid::~wxGrid()
         delete m_table;
 
     delete m_typeRegistry;
         delete m_table;
 
     delete m_typeRegistry;

+    delete m_selection;

 }
 
 
 }
 
 


@@ -2890,7 +3377,6 @@ wxGrid::~wxGrid()
 void wxGrid::Create()
 {
     m_created = FALSE;    // set to TRUE by CreateGrid
 void wxGrid::Create()
 {
     m_created = FALSE;    // set to TRUE by CreateGrid

-    m_displayed = TRUE; // FALSE;  // set to TRUE by OnPaint

 
     m_table        = (wxGridTableBase *) NULL;
     m_ownTable     = FALSE;
 
     m_table        = (wxGridTableBase *) NULL;
     m_ownTable     = FALSE;


@@ -2902,7 +3388,7 @@ void wxGrid::Create()
 
     // Set default cell attributes
     m_defaultCellAttr->SetFont(GetFont());
 
     // Set default cell attributes
     m_defaultCellAttr->SetFont(GetFont());

-    m_defaultCellAttr->SetAlignment(wxLEFT, wxTOP);
+    m_defaultCellAttr->SetAlignment(wxALIGN_LEFT, wxALIGN_TOP);

     m_defaultCellAttr->SetTextColour(
         wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT));
     m_defaultCellAttr->SetBackgroundColour(
     m_defaultCellAttr->SetTextColour(
         wxSystemSettings::GetSystemColour(wxSYS_COLOUR_WINDOWTEXT));
     m_defaultCellAttr->SetBackgroundColour(


@@ -2918,22 +3404,9 @@ 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);
-    RegisterDataType(wxGRID_VALUE_FLOAT,
-                     new wxGridCellFloatRenderer,
-                     new wxGridCellFloatEditor);
-
+    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,


@@ -2961,29 +3434,38 @@ void wxGrid::Create()
 }
 
 
 }
 
 

-bool wxGrid::CreateGrid( int numRows, int numCols )
+bool wxGrid::CreateGrid( int numRows, int numCols,
+                         wxGrid::wxGridSelectionModes selmode )

 {
 {

-    if ( m_created )
-    {
-        wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
-        return FALSE;
-    }
-    else
-    {
-        m_numRows = numRows;
-        m_numCols = numCols;
+    wxCHECK_MSG( !m_created,
+                 FALSE,
+                 wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );

 
 

-        m_table = new wxGridStringTable( m_numRows, m_numCols );
-        m_table->SetView( this );
-        m_ownTable = TRUE;
-        Init();
-        m_created = TRUE;
-    }
+    m_numRows = numRows;
+    m_numCols = numCols;
+
+    m_table = new wxGridStringTable( m_numRows, m_numCols );
+    m_table->SetView( this );
+    m_ownTable = TRUE;
+    m_selection = new wxGridSelection( this, selmode );
+    Init();
+    m_created = TRUE;

 
     return m_created;
 }
 
 
     return m_created;
 }
 

-bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
+void wxGrid::SetSelectionMode(wxGrid::wxGridSelectionModes selmode)
+{
+    if ( !m_created )
+    {
+        wxFAIL_MSG( wxT("Called wxGrid::SetSelectionMode() before calling CreateGrid()") );
+    }
+    else
+        m_selection->SetSelectionMode( selmode );
+}
+
+bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
+                       wxGrid::wxGridSelectionModes selmode )

 {
     if ( m_created )
     {
 {
     if ( m_created )
     {


@@ -2992,6 +3474,7 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
         // View at runtime.  Is there anything in the implmentation that would
         // prevent this?
 
         // View at runtime.  Is there anything in the implmentation that would
         // prevent this?
 

+        // At least, you now have to cope with m_selection

         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
         return FALSE;
     }
         wxFAIL_MSG( wxT("wxGrid::CreateGrid or wxGrid::SetTable called more than once") );
         return FALSE;
     }


@@ -3004,6 +3487,7 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
         m_table->SetView( this );
         if (takeOwnership)
             m_ownTable = TRUE;
         m_table->SetView( this );
         if (takeOwnership)
             m_ownTable = TRUE;

+        m_selection = new wxGridSelection( this, selmode );

         Init();
         m_created = TRUE;
     }
         Init();
         m_created = TRUE;
     }


@@ -3014,12 +3498,6 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership )
 
 void wxGrid::Init()
 {
 
 void wxGrid::Init()
 {

-    if ( m_numRows <= 0 )
-        m_numRows = WXGRID_DEFAULT_NUMBER_ROWS;
-
-    if ( m_numCols <= 0 )
-        m_numCols = WXGRID_DEFAULT_NUMBER_COLS;
-

     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;
 


@@ -3042,11 +3520,11 @@ void wxGrid::Init()
     m_labelFont = this->GetFont();
     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
 
     m_labelFont = this->GetFont();
     m_labelFont.SetWeight( m_labelFont.GetWeight() + 2 );
 

-    m_rowLabelHorizAlign = wxLEFT;
-    m_rowLabelVertAlign  = wxCENTRE;
+    m_rowLabelHorizAlign = wxALIGN_LEFT;
+    m_rowLabelVertAlign  = wxALIGN_CENTRE;

 
 

-    m_colLabelHorizAlign = wxCENTRE;
-    m_colLabelVertAlign  = wxTOP;
+    m_colLabelHorizAlign = wxALIGN_CENTRE;
+    m_colLabelVertAlign  = wxALIGN_TOP;

 
     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
     m_defaultRowHeight = m_gridWin->GetCharHeight();
 
     m_defaultColWidth  = WXGRID_DEFAULT_COL_WIDTH;
     m_defaultRowHeight = m_gridWin->GetCharHeight();


@@ -3059,6 +3537,7 @@ void wxGrid::Init()
 
     m_gridLineColour = wxColour( 128, 128, 255 );
     m_gridLinesEnabled = TRUE;
 
     m_gridLineColour = wxColour( 128, 128, 255 );
     m_gridLinesEnabled = TRUE;

+    m_cellHighlightColour = m_gridLineColour;

 
     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
     m_winCapture = (wxWindow *)NULL;
 
     m_cursorMode  = WXGRID_CURSOR_SELECT_CELL;
     m_winCapture = (wxWindow *)NULL;


@@ -3077,8 +3556,8 @@ 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);
 


@@ -3175,10 +3654,10 @@ void wxGrid::CalcDimensions()
     int cw, ch;
     GetClientSize( &cw, &ch );
 
     int cw, ch;
     GetClientSize( &cw, &ch );
 

-    if ( m_numRows > 0  &&  m_numCols > 0 )
+    if ( m_numRows > 0  ||  m_numCols > 0 )

     {
     {

-        int right = GetColRight( m_numCols-1 ) + m_extraWidth;
-        int bottom = GetRowBottom( m_numRows-1 ) + m_extraHeight;
+        int right = m_numCols > 0 ? GetColRight( m_numCols-1 ) + m_extraWidth : 0;
+        int bottom = m_numRows > 0 ? GetRowBottom( m_numRows-1 ) + m_extraHeight : 0;

 
         // TODO: restore the scroll position that we had before sizing
         //
 
         // TODO: restore the scroll position that we had before sizing
         //


@@ -3216,7 +3695,9 @@ void wxGrid::CalcWindowSizes()
 bool wxGrid::Redimension( wxGridTableMessage& msg )
 {
     int i;
 bool wxGrid::Redimension( wxGridTableMessage& msg )
 {
     int i;

+    bool result = FALSE;

 
 

+#if 0

     // if we were using the default widths/heights so far, we must change them
     // now
     if ( m_colWidths.IsEmpty() )
     // if we were using the default widths/heights so far, we must change them
     // now
     if ( m_colWidths.IsEmpty() )


@@ -3228,6 +3709,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
     {
         InitRowHeights();
     }
     {
         InitRowHeights();
     }

+#endif

 
     switch ( msg.GetId() )
     {
 
     switch ( msg.GetId() )
     {


@@ -3235,71 +3717,99 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
         {
             size_t pos = msg.GetCommandInt();
             int numRows = msg.GetCommandInt2();
         {
             size_t pos = msg.GetCommandInt();
             int numRows = msg.GetCommandInt2();

-            for ( i = 0;  i < numRows;  i++ )
-            {
-                m_rowHeights.Insert( m_defaultRowHeight, pos );
-                m_rowBottoms.Insert( 0, pos );
-            }
+

             m_numRows += numRows;
 
             m_numRows += numRows;
 

-            int bottom = 0;
-            if ( pos > 0 ) bottom = m_rowBottoms[pos-1];
+            if ( !m_rowHeights.IsEmpty() )
+            {
+                for ( i = 0;  i < numRows;  i++ )
+                {
+                    m_rowHeights.Insert( m_defaultRowHeight, pos );
+                    m_rowBottoms.Insert( 0, pos );
+                }
+
+                int bottom = 0;
+                if ( pos > 0 ) bottom = m_rowBottoms[pos-1];

 
 

-            for ( i = pos;  i < m_numRows;  i++ )
+                for ( i = pos;  i < m_numRows;  i++ )
+                {
+                    bottom += m_rowHeights[i];
+                    m_rowBottoms[i] = bottom;
+                }
+            }
+            if ( m_currentCellCoords == wxGridNoCellCoords )

             {
             {

-                bottom += m_rowHeights[i];
-                m_rowBottoms[i] = bottom;
+                // if we have just inserted cols into an empty grid the current
+                // cell will be undefined...
+                //
+                SetCurrentCell( 0, 0 );
+            }
+            m_selection->UpdateRows( pos, numRows );
+            wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
+            if (attrProvider)
+                attrProvider->UpdateAttrRows( pos, numRows );
+
+            if ( !GetBatchCount() )
+            {
+                CalcDimensions();
+                m_rowLabelWin->Refresh();

             }
             }

-            CalcDimensions();

         }
         }

-        return TRUE;
+        result = TRUE;
+        break;

 
         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
         {
             int numRows = msg.GetCommandInt();
 
         case wxGRIDTABLE_NOTIFY_ROWS_APPENDED:
         {
             int numRows = msg.GetCommandInt();

-            for ( i = 0;  i < numRows;  i++ )
-            {
-                m_rowHeights.Add( m_defaultRowHeight );
-                m_rowBottoms.Add( 0 );
-            }
-

             int oldNumRows = m_numRows;
             m_numRows += numRows;
 
             int oldNumRows = m_numRows;
             m_numRows += numRows;
 

-            int bottom = 0;
-            if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];
+            if ( !m_rowHeights.IsEmpty() )
+            {
+                for ( i = 0;  i < numRows;  i++ )
+                {
+                    m_rowHeights.Add( m_defaultRowHeight );
+                    m_rowBottoms.Add( 0 );
+                }
+
+                int bottom = 0;
+                if ( oldNumRows > 0 ) bottom = m_rowBottoms[oldNumRows-1];

 
 

-            for ( i = oldNumRows;  i < m_numRows;  i++ )
+                for ( i = oldNumRows;  i < m_numRows;  i++ )
+                {
+                    bottom += m_rowHeights[i];
+                    m_rowBottoms[i] = bottom;
+                }
+            }
+            if ( m_currentCellCoords == wxGridNoCellCoords )
+            {
+                // if we have just inserted cols into an empty grid the current
+                // cell will be undefined...
+                //
+                SetCurrentCell( 0, 0 );
+            }
+            if ( !GetBatchCount() )

             {
             {

-                bottom += m_rowHeights[i];
-                m_rowBottoms[i] = bottom;
+                CalcDimensions();
+                m_rowLabelWin->Refresh();

             }
             }

-            CalcDimensions();

         }
         }

-        return TRUE;
+        result = TRUE;
+        break;

 
         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
         {
             size_t pos = msg.GetCommandInt();
             int numRows = msg.GetCommandInt2();
 
         case wxGRIDTABLE_NOTIFY_ROWS_DELETED:
         {
             size_t pos = msg.GetCommandInt();
             int numRows = msg.GetCommandInt2();

-            for ( i = 0;  i < numRows;  i++ )
-            {
-                m_rowHeights.Remove( pos );
-                m_rowBottoms.Remove( pos );
-            }

             m_numRows -= numRows;
 
             m_numRows -= numRows;
 

-            if ( !m_numRows )
-            {
-                m_numCols = 0;
-                m_colWidths.Clear();
-                m_colRights.Clear();
-                m_currentCellCoords = wxGridNoCellCoords;
-            }
-            else
+            if ( !m_rowHeights.IsEmpty() )

             {
             {

-                if ( m_currentCellCoords.GetRow() >= m_numRows )
-                    m_currentCellCoords.Set( 0, 0 );
+                for ( i = 0;  i < numRows;  i++ )
+                {
+                    m_rowHeights.Remove( pos );
+                    m_rowBottoms.Remove( pos );
+                }

 
                 int h = 0;
                 for ( i = 0;  i < m_numRows;  i++ )
 
                 int h = 0;
                 for ( i = 0;  i < m_numRows;  i++ )


@@ -3308,82 +3818,134 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                     m_rowBottoms[i] = h;
                 }
             }
                     m_rowBottoms[i] = h;
                 }
             }

-
-            CalcDimensions();
+            if ( !m_numRows )
+            {
+                m_currentCellCoords = wxGridNoCellCoords;
+            }
+            else
+            {
+                if ( m_currentCellCoords.GetRow() >= m_numRows )
+                    m_currentCellCoords.Set( 0, 0 );
+            }
+            m_selection->UpdateRows( pos, -((int)numRows) );
+            wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
+            if (attrProvider) {
+                attrProvider->UpdateAttrRows( pos, -((int)numRows) );
+// ifdef'd out following patch from Paul Gammans                
+#if 0                
+                // No need to touch column attributes, unless we
+                // removed _all_ rows, in this case, we remove
+                // all column attributes.
+                // I hate to do this here, but the
+                // needed data is not available inside UpdateAttrRows.
+                if ( !GetNumberRows() )
+                    attrProvider->UpdateAttrCols( 0, -GetNumberCols() );
+#endif                    
+            }
+            if ( !GetBatchCount() )
+            {
+                CalcDimensions();
+                m_rowLabelWin->Refresh();
+            }

         }
         }

-        return TRUE;
+        result = TRUE;
+        break;

 
         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
         {
             size_t pos = msg.GetCommandInt();
             int numCols = msg.GetCommandInt2();
 
         case wxGRIDTABLE_NOTIFY_COLS_INSERTED:
         {
             size_t pos = msg.GetCommandInt();
             int numCols = msg.GetCommandInt2();

-            for ( i = 0;  i < numCols;  i++ )
-            {
-                m_colWidths.Insert( m_defaultColWidth, pos );
-                m_colRights.Insert( 0, pos );
-            }

             m_numCols += numCols;
 
             m_numCols += numCols;
 

-            int right = 0;
-            if ( pos > 0 ) right = m_colRights[pos-1];
+            if ( !m_colWidths.IsEmpty() )
+            {
+                for ( i = 0;  i < numCols;  i++ )
+                {
+                    m_colWidths.Insert( m_defaultColWidth, pos );
+                    m_colRights.Insert( 0, pos );
+                }
+
+                int right = 0;
+                if ( pos > 0 ) right = m_colRights[pos-1];

 
 

-            for ( i = pos;  i < m_numCols;  i++ )
+                for ( i = pos;  i < m_numCols;  i++ )
+                {
+                    right += m_colWidths[i];
+                    m_colRights[i] = right;
+                }
+            }
+            if ( m_currentCellCoords == wxGridNoCellCoords )

             {
             {

-                right += m_colWidths[i];
-                m_colRights[i] = right;
+                // if we have just inserted cols into an empty grid the current
+                // cell will be undefined...
+                //
+                SetCurrentCell( 0, 0 );

             }
             }

-            CalcDimensions();
+            m_selection->UpdateCols( pos, numCols );
+            wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
+            if (attrProvider)
+                attrProvider->UpdateAttrCols( pos, numCols );
+            if ( !GetBatchCount() )
+            {
+                CalcDimensions();
+                m_colLabelWin->Refresh();
+            }
+

         }
         }

-        return TRUE;
+        result = TRUE;
+        break;

 
         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
         {
             int numCols = msg.GetCommandInt();
 
         case wxGRIDTABLE_NOTIFY_COLS_APPENDED:
         {
             int numCols = msg.GetCommandInt();

-            for ( i = 0;  i < numCols;  i++ )
-            {
-                m_colWidths.Add( m_defaultColWidth );
-                m_colRights.Add( 0 );
-            }
-

             int oldNumCols = m_numCols;
             m_numCols += numCols;
             int oldNumCols = m_numCols;
             m_numCols += numCols;

+            if ( !m_colWidths.IsEmpty() )
+            {
+                for ( i = 0;  i < numCols;  i++ )
+                {
+                    m_colWidths.Add( m_defaultColWidth );
+                    m_colRights.Add( 0 );
+                }

 
 

-            int right = 0;
-            if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];
+                int right = 0;
+                if ( oldNumCols > 0 ) right = m_colRights[oldNumCols-1];

 
 

-            for ( i = oldNumCols;  i < m_numCols;  i++ )
+                for ( i = oldNumCols;  i < m_numCols;  i++ )
+                {
+                    right += m_colWidths[i];
+                    m_colRights[i] = right;
+                }
+            }
+            if ( m_currentCellCoords == wxGridNoCellCoords )
+            {
+                // if we have just inserted cols into an empty grid the current
+                // cell will be undefined...
+                //
+                SetCurrentCell( 0, 0 );
+            }
+            if ( !GetBatchCount() )

             {
             {

-                right += m_colWidths[i];
-                m_colRights[i] = right;
+                CalcDimensions();
+                m_colLabelWin->Refresh();

             }
             }

-            CalcDimensions();

         }
         }

-        return TRUE;
+        result = TRUE;
+        break;

 
         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
         {
             size_t pos = msg.GetCommandInt();
             int numCols = msg.GetCommandInt2();
 
         case wxGRIDTABLE_NOTIFY_COLS_DELETED:
         {
             size_t pos = msg.GetCommandInt();
             int numCols = msg.GetCommandInt2();

-            for ( i = 0;  i < numCols;  i++ )
-            {
-                m_colWidths.Remove( pos );
-                m_colRights.Remove( pos );
-            }

             m_numCols -= numCols;
 
             m_numCols -= numCols;
 

-            if ( !m_numCols )
+            if ( !m_colWidths.IsEmpty() )

             {
             {

-#if 0  // leave the row alone here so that AppendCols will work subsequently
-                m_numRows = 0;
-                m_rowHeights.Clear();
-                m_rowBottoms.Clear();
-#endif
-                m_currentCellCoords = wxGridNoCellCoords;
-            }
-            else
-            {
-                if ( m_currentCellCoords.GetCol() >= m_numCols )
-                    m_currentCellCoords.Set( 0, 0 );
+                for ( i = 0;  i < numCols;  i++ )
+                {
+                    m_colWidths.Remove( pos );
+                    m_colRights.Remove( pos );
+                }

 
                 int w = 0;
                 for ( i = 0;  i < m_numCols;  i++ )
 
                 int w = 0;
                 for ( i = 0;  i < m_numCols;  i++ )


@@ -3392,16 +3954,51 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
                     m_colRights[i] = w;
                 }
             }
                     m_colRights[i] = w;
                 }
             }

-            CalcDimensions();
+            if ( !m_numCols )
+            {
+                m_currentCellCoords = wxGridNoCellCoords;
+            }
+            else
+            {
+                if ( m_currentCellCoords.GetCol() >= m_numCols )
+                  m_currentCellCoords.Set( 0, 0 );
+            }
+            m_selection->UpdateCols( pos, -((int)numCols) );
+            wxGridCellAttrProvider * attrProvider = m_table->GetAttrProvider();
+            if (attrProvider) {
+                attrProvider->UpdateAttrCols( pos, -((int)numCols) );
+// ifdef'd out following patch from Paul Gammans                
+#if 0                
+                // No need to touch row attributes, unless we
+                // removed _all_ columns, in this case, we remove
+                // all row attributes.
+                // I hate to do this here, but the
+                // needed data is not available inside UpdateAttrCols.
+                if ( !GetNumberCols() )
+                    attrProvider->UpdateAttrRows( 0, -GetNumberRows() );
+#endif                    
+            }
+            if ( !GetBatchCount() )
+            {
+                CalcDimensions();
+                m_colLabelWin->Refresh();
+            }
+            return TRUE;

         }
         }

-        return TRUE;
+#if 0
+// There is no path to this code !!!!!!
+       result = TRUE;
+        break;
+#endif

     }
 
     }
 

-    return FALSE;
+    if (result && !GetBatchCount() )
+        m_gridWin->Refresh();
+    return result;

 }
 
 
 }
 
 

-void wxGrid::CalcRowLabelsExposed( wxRegion& reg )
+void wxGrid::CalcRowLabelsExposed( const wxRegion& reg )

 {
     wxRegionIterator iter( reg );
     wxRect r;
 {
     wxRegionIterator iter( reg );
     wxRect r;


@@ -3450,7 +4047,7 @@ void wxGrid::CalcRowLabelsExposed( wxRegion& reg )
 }
 
 
 }
 
 

-void wxGrid::CalcColLabelsExposed( wxRegion& reg )
+void wxGrid::CalcColLabelsExposed( const wxRegion& reg )

 {
     wxRegionIterator iter( reg );
     wxRect r;
 {
     wxRegionIterator iter( reg );
     wxRect r;


@@ -3499,7 +4096,7 @@ void wxGrid::CalcColLabelsExposed( wxRegion& reg )
 }
 
 
 }
 
 

-void wxGrid::CalcCellsExposed( wxRegion& reg )
+void wxGrid::CalcCellsExposed( const wxRegion& reg )

 {
     wxRegionIterator iter( reg );
     wxRect r;
 {
     wxRegionIterator iter( reg );
     wxRect r;


@@ -3600,10 +4197,13 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_ROW:
                 break;
 
                 case WXGRID_CURSOR_SELECT_ROW:

-                    if ( (row = YToRow( y )) >= 0  &&
-                         !IsInSelection( row, 0 ) )
+                    if ( (row = YToRow( y )) >= 0 )

                     {
                     {

-                        SelectRow( row, TRUE );
+                        m_selection->SelectRow( row,
+                                                event.ControlDown(),
+                                                event.ShiftDown(),
+                                                event.AltDown(),
+                                                event.MetaDown() );

                     }
 
                 // default label to suppress warnings about "enumeration value
                     }
 
                 // default label to suppress warnings about "enumeration value


@@ -3640,7 +4240,23 @@ void wxGrid::ProcessRowLabelMouseEvent( wxMouseEvent& event )
             if ( row >= 0  &&
                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
             {
             if ( row >= 0  &&
                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, row, -1, event ) )
             {

-                SelectRow( row, event.ShiftDown() );
+                if ( !event.ShiftDown() && !event.ControlDown() )
+                    ClearSelection();
+                if ( event.ShiftDown() )
+                    m_selection->SelectBlock( m_currentCellCoords.GetRow(),
+                                              0,
+                                              row,
+                                              GetNumberCols() - 1,
+                                              event.ControlDown(),
+                                              event.ShiftDown(),
+                                              event.AltDown(),
+                                              event.MetaDown() );
+                else
+                    m_selection->SelectRow( row,
+                                            event.ControlDown(),
+                                            event.ShiftDown(),
+                                            event.AltDown(),
+                                            event.MetaDown() );

                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
             }
         }
                 ChangeCursorMode(WXGRID_CURSOR_SELECT_ROW, m_rowLabelWin);
             }
         }


@@ -3767,10 +4383,13 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                 break;
 
                 case WXGRID_CURSOR_SELECT_COL:
                 break;
 
                 case WXGRID_CURSOR_SELECT_COL:

-                    if ( (col = XToCol( x )) >= 0  &&
-                         !IsInSelection( 0, col ) )
+                    if ( (col = XToCol( x )) >= 0 )

                     {
                     {

-                        SelectCol( col, TRUE );
+                        m_selection->SelectCol( col,
+                                                event.ControlDown(),
+                                                event.ShiftDown(),
+                                                event.AltDown(),
+                                                event.MetaDown() );

                     }
 
                 // default label to suppress warnings about "enumeration value
                     }
 
                 // default label to suppress warnings about "enumeration value


@@ -3807,7 +4426,22 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
             if ( col >= 0  &&
                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
             {
             if ( col >= 0  &&
                  !SendEvent( wxEVT_GRID_LABEL_LEFT_CLICK, -1, col, event ) )
             {

-                SelectCol( col, event.ShiftDown() );
+                if ( !event.ShiftDown() && !event.ControlDown() )
+                    ClearSelection();
+                if ( event.ShiftDown() )
+                    m_selection->SelectBlock( 0,
+                                              m_currentCellCoords.GetCol(),
+                                              GetNumberRows() - 1, col,
+                                              event.ControlDown(),
+                                              event.ShiftDown(),
+                                              event.AltDown(),
+                                              event.MetaDown() );
+                else
+                    m_selection->SelectCol( col,
+                                            event.ControlDown(),
+                                            event.ShiftDown(),
+                                            event.AltDown(),
+                                            event.MetaDown() );

                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
             }
         }
                 ChangeCursorMode(WXGRID_CURSOR_SELECT_COL, m_colLabelWin);
             }
         }


@@ -4028,7 +4662,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
         {
             // Hide the edit control, so it
             // won't interfer with drag-shrinking.
         {
             // Hide the edit control, so it
             // won't interfer with drag-shrinking.

-            if ( IsCellEditControlEnabled() )
+            if ( IsCellEditControlShown() )

             {
                 HideCellEditControl();
                 SaveEditControlValue();
             {
                 HideCellEditControl();
                 SaveEditControlValue();


@@ -4043,20 +4677,29 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
 
             if ( coords != wxGridNoCellCoords )
             {
 
             if ( coords != wxGridNoCellCoords )
             {

-                if ( !IsSelection() )
+                if ( event.ControlDown() )

                 {
                 {

-                    SelectBlock( coords, coords );
+                    if ( m_selectingKeyboard == wxGridNoCellCoords)
+                        m_selectingKeyboard = coords;
+                    HighlightBlock ( m_selectingKeyboard, coords );

                 }
                 else
                 {
                 }
                 else
                 {

-                    SelectBlock( m_currentCellCoords, coords );
+                    if ( !IsSelection() )
+                    {
+                        HighlightBlock( coords, coords );
+                    }
+                    else
+                    {
+                        HighlightBlock( m_currentCellCoords, coords );
+                    }

                 }
 
                 if (! IsVisible(coords))
                 {
                     MakeCellVisible(coords);
                     // TODO: need to introduce a delay or something here.  The
                 }
 
                 if (! IsVisible(coords))
                 {
                     MakeCellVisible(coords);
                     // TODO: need to introduce a delay or something here.  The

-                    // scrolling is way to fast, at least on MSW.
+                    // scrolling is way to fast, at least on MSW - also on GTK.

                 }
             }
         }
                 }
             }
         }


@@ -4068,7 +4711,8 @@ 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 )
             {


@@ -4118,17 +4762,26 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     //
     if ( event.LeftDown() && coords != wxGridNoCellCoords )
     {
     //
     if ( event.LeftDown() && coords != wxGridNoCellCoords )
     {

-        if ( event.ShiftDown() )
-        {
-            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 ) )
+            if ( !event.ControlDown() )
+                ClearSelection();
+            if ( event.ShiftDown() )
+            {
+                m_selection->SelectBlock( m_currentCellCoords.GetRow(),
+                                          m_currentCellCoords.GetCol(),
+                                          coords.GetRow(),
+                                          coords.GetCol(),
+                                          event.ControlDown(),
+                                          event.ShiftDown(),
+                                          event.AltDown(),
+                                          event.MetaDown() );
+            }
+            else if ( XToEdgeOfCol(x) < 0  &&
+                      YToEdgeOfRow(y) < 0 )

             {
                 DisableCellEditControl();
                 MakeCellVisible( coords );
             {
                 DisableCellEditControl();
                 MakeCellVisible( coords );


@@ -4153,7 +4806,25 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 }
                 else
                 {
                 }
                 else
                 {

-                    SetCurrentCell( coords );
+                    if ( event.ControlDown() )
+                    {
+                        m_selection->ToggleCellSelection( coords.GetRow(),
+                                                          coords.GetCol(),
+                                                          event.ControlDown(),
+                                                          event.ShiftDown(),
+                                                          event.AltDown(),
+                                                          event.MetaDown() );
+                        m_selectingTopLeft = wxGridNoCellCoords;
+                        m_selectingBottomRight = wxGridNoCellCoords;
+                        m_selectingKeyboard = coords;
+                    }
+                    else
+                    {
+                        SetCurrentCell( coords );
+                        if ( m_selection->GetSelectionMode()
+                             != wxGrid::wxGridSelectCells)
+                            HighlightBlock( coords, coords );
+                    }

                     m_waitForSlowClick = TRUE;
                 }
             }
                     m_waitForSlowClick = TRUE;
                 }
             }


@@ -4183,14 +4854,24 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
     {
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {
     {
         if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
         {

-            if ( IsSelection() )
+            if ( m_selectingTopLeft != wxGridNoCellCoords &&
+                 m_selectingBottomRight != wxGridNoCellCoords )

             {
                 if (m_winCapture)
                 {
                     m_winCapture->ReleaseMouse();
                     m_winCapture = NULL;
                 }
             {
                 if (m_winCapture)
                 {
                     m_winCapture->ReleaseMouse();
                     m_winCapture = NULL;
                 }

-                SendEvent( wxEVT_GRID_RANGE_SELECT, -1, -1, event );
+                m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
+                                          m_selectingTopLeft.GetCol(),
+                                          m_selectingBottomRight.GetRow(),
+                                          m_selectingBottomRight.GetCol(),
+                                          event.ControlDown(),
+                                          event.ShiftDown(),
+                                          event.AltDown(),
+                                          event.MetaDown() );
+                m_selectingTopLeft = wxGridNoCellCoords;
+                m_selectingBottomRight = wxGridNoCellCoords;

             }
 
             // Show the edit control, if it has been hidden for
             }
 
             // Show the edit control, if it has been hidden for


@@ -4449,40 +5130,12 @@ bool wxGrid::InsertRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 

-        bool ok = m_table->InsertRows( pos, numRows );
+        return m_table->InsertRows( pos, numRows );

 
         // the table will have sent the results of the insert row
         // operation to this view object as a grid table message
 
         // the table will have sent the results of the insert row
         // operation to this view object as a grid table message

-        //
-        if ( ok )
-        {
-            if ( m_numCols == 0 )
-            {
-                m_table->AppendCols( WXGRID_DEFAULT_NUMBER_COLS );
-                //
-                // TODO: perhaps instead of appending the default number of cols
-                // we should remember what the last non-zero number of cols was ?
-                //
-            }
-
-            if ( m_currentCellCoords == wxGridNoCellCoords )
-            {
-                // if we have just inserted cols into an empty grid the current
-                // cell will be undefined...
-                //
-                SetCurrentCell( 0, 0 );
-            }
-
-            ClearSelection();
-            if ( !GetBatchCount() ) Refresh();
-        }
-
-        return ok;
-    }
-    else
-    {
-        return FALSE;

     }
     }

+    return FALSE;

 }
 
 
 }
 
 


@@ -4496,27 +5149,9 @@ bool wxGrid::AppendRows( int numRows, bool WXUNUSED(updateLabels) )
         return FALSE;
     }
 
         return FALSE;
     }
 

-    if ( m_table && m_table->AppendRows( numRows ) )
-    {
-        if ( m_currentCellCoords == wxGridNoCellCoords )
-        {
-            // if we have just inserted cols into an empty grid the current
-            // cell will be undefined...
-            //
-            SetCurrentCell( 0, 0 );
-        }
-
-        // 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;
-    }
-    else
-    {
-        return FALSE;
-    }
+    return ( m_table && m_table->AppendRows( numRows ) );
+    // the table will have sent the results of the append row
+    // operation to this view object as a grid table message

 }
 
 
 }
 
 


@@ -4535,16 +5170,9 @@ bool wxGrid::DeleteRows( int pos, int numRows, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 

-        if (m_table->DeleteRows( pos, numRows ))
-        {
-
-            // the table will have sent the results of the delete row
-            // operation to this view object as a grid table message
-            //
-            ClearSelection();
-            if ( !GetBatchCount() ) Refresh();
-            return TRUE;
-        }
+        return (m_table->DeleteRows( pos, numRows ));
+        // the table will have sent the results of the delete row
+        // operation to this view object as a grid table message

     }
     return FALSE;
 }
     }
     return FALSE;
 }


@@ -4565,31 +5193,11 @@ bool wxGrid::InsertCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 

-        bool ok = m_table->InsertCols( pos, numCols );
-
+        return m_table->InsertCols( pos, numCols );

         // the table will have sent the results of the insert col
         // operation to this view object as a grid table message
         // the table will have sent the results of the insert col
         // operation to this view object as a grid table message

-        //
-        if ( ok )
-        {
-            if ( m_currentCellCoords == wxGridNoCellCoords )
-            {
-                // if we have just inserted cols into an empty grid the current
-                // cell will be undefined...
-                //
-                SetCurrentCell( 0, 0 );
-            }
-
-            ClearSelection();
-            if ( !GetBatchCount() ) Refresh();
-        }
-
-        return ok;
-    }
-    else
-    {
-        return FALSE;

     }
     }

+    return FALSE;

 }
 
 
 }
 
 


@@ -4603,27 +5211,9 @@ bool wxGrid::AppendCols( int numCols, bool WXUNUSED(updateLabels) )
         return FALSE;
     }
 
         return FALSE;
     }
 

-    if ( m_table && m_table->AppendCols( numCols ) )
-    {
-        // the table will have sent the results of the append col
-        // operation to this view object as a grid table message
-        //
-        if ( m_currentCellCoords == wxGridNoCellCoords )
-        {
-            // if we have just inserted cols into an empty grid the current
-            // cell will be undefined...
-            //
-            SetCurrentCell( 0, 0 );
-        }
-
-        ClearSelection();
-        if ( !GetBatchCount() ) Refresh();
-        return TRUE;
-    }
-    else
-    {
-        return FALSE;
-    }
+    return ( m_table && m_table->AppendCols( numCols ) );
+    // the table will have sent the results of the append col
+    // operation to this view object as a grid table message

 }
 
 
 }
 
 


@@ -4642,15 +5232,9 @@ bool wxGrid::DeleteCols( int pos, int numCols, bool WXUNUSED(updateLabels) )
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 
         if (IsCellEditControlEnabled())
             DisableCellEditControl();
 

-        if ( m_table->DeleteCols( pos, numCols ) )
-        {
-            // the table will have sent the results of the delete col
-            // operation to this view object as a grid table message
-            //
-            ClearSelection();
-            if ( !GetBatchCount() ) Refresh();
-            return TRUE;
-        }
+        return ( m_table->DeleteCols( pos, numCols ) );
+        // the table will have sent the results of the delete col
+        // operation to this view object as a grid table message

     }
     return FALSE;
 }
     }
     return FALSE;
 }


@@ -4676,7 +5260,8 @@ bool wxGrid::SendEvent( const wxEventType type,
                                  type,
                                  this,
                                  rowOrCol,
                                  type,
                                  this,
                                  rowOrCol,

-                                 mouseEv.GetX(), mouseEv.GetY(),
+                                 mouseEv.GetX() + GetColLabelSize(),
+                                 mouseEv.GetY() + GetRowLabelSize(),

                                  mouseEv.ControlDown(),
                                  mouseEv.ShiftDown(),
                                  mouseEv.AltDown(),
                                  mouseEv.ControlDown(),
                                  mouseEv.ShiftDown(),
                                  mouseEv.AltDown(),


@@ -4686,11 +5271,13 @@ bool wxGrid::SendEvent( const wxEventType type,
     }
     else if ( type == wxEVT_GRID_RANGE_SELECT )
     {
     }
     else if ( type == wxEVT_GRID_RANGE_SELECT )
     {

+        // Right now, it should _never_ end up here!

         wxGridRangeSelectEvent gridEvt( GetId(),
                                         type,
                                         this,
         wxGridRangeSelectEvent gridEvt( GetId(),
                                         type,
                                         this,

-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight,
+                                        m_selectingTopLeft,
+                                        m_selectingBottomRight,
+                                        TRUE,

                                         mouseEv.ControlDown(),
                                         mouseEv.ShiftDown(),
                                         mouseEv.AltDown(),
                                         mouseEv.ControlDown(),
                                         mouseEv.ShiftDown(),
                                         mouseEv.AltDown(),


@@ -4704,7 +5291,9 @@ bool wxGrid::SendEvent( const wxEventType type,
                              type,
                              this,
                              row, col,
                              type,
                              this,
                              row, col,

-                             mouseEv.GetX(), mouseEv.GetY(),
+                             mouseEv.GetX() + GetColLabelSize(),
+                             mouseEv.GetY() + GetRowLabelSize(),
+                             FALSE,

                              mouseEv.ControlDown(),
                              mouseEv.ShiftDown(),
                              mouseEv.AltDown(),
                              mouseEv.ControlDown(),
                              mouseEv.ShiftDown(),
                              mouseEv.AltDown(),


@@ -4746,16 +5335,7 @@ bool wxGrid::SendEvent( const wxEventType type,
 
 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {
 
 void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 {

-    wxPaintDC dc( this );
-
-    if ( m_currentCellCoords == wxGridNoCellCoords  &&
-         m_numRows && m_numCols )
-    {
-        m_currentCellCoords.Set(0, 0);
-        ShowCellEditControl();
-    }
-
-    m_displayed = TRUE;
+    wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW

 }
 
 
 }
 
 


@@ -4763,7 +5343,7 @@ void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
 // the grid view is resized... then the size event is skipped to allow
 // the box sizers to handle everything
 //
 // the grid view is resized... then the size event is skipped to allow
 // the box sizers to handle everything
 //

-void wxGrid::OnSize( wxSizeEvent& event )
+void wxGrid::OnSize( wxSizeEvent& WXUNUSED(event) )

 {
     CalcWindowSizes();
     CalcDimensions();
 {
     CalcWindowSizes();
     CalcDimensions();


@@ -4790,11 +5370,6 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
     {
 
     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
     {
 

-        // TODO:  Should also support Shift-cursor keys for
-        //        extending the selection.  Maybe add a flag to
-        //        MoveCursorXXX() and MoveCursorXXXBlock() and
-        //        just send event.ShiftDown().
-

         // try local handlers
         //
         switch ( event.KeyCode() )
         // try local handlers
         //
         switch ( event.KeyCode() )


@@ -4802,44 +5377,44 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
             case WXK_UP:
                 if ( event.ControlDown() )
                 {
             case WXK_UP:
                 if ( event.ControlDown() )
                 {

-                    MoveCursorUpBlock();
+                    MoveCursorUpBlock( event.ShiftDown() );

                 }
                 else
                 {
                 }
                 else
                 {

-                    MoveCursorUp();
+                    MoveCursorUp( event.ShiftDown() );

                 }
                 break;
 
             case WXK_DOWN:
                 if ( event.ControlDown() )
                 {
                 }
                 break;
 
             case WXK_DOWN:
                 if ( event.ControlDown() )
                 {

-                    MoveCursorDownBlock();
+                    MoveCursorDownBlock( event.ShiftDown() );

                 }
                 else
                 {
                 }
                 else
                 {

-                    MoveCursorDown();
+                    MoveCursorDown( event.ShiftDown() );

                 }
                 break;
 
             case WXK_LEFT:
                 if ( event.ControlDown() )
                 {
                 }
                 break;
 
             case WXK_LEFT:
                 if ( event.ControlDown() )
                 {

-                    MoveCursorLeftBlock();
+                    MoveCursorLeftBlock( event.ShiftDown() );

                 }
                 else
                 {
                 }
                 else
                 {

-                    MoveCursorLeft();
+                    MoveCursorLeft( event.ShiftDown() );

                 }
                 break;
 
             case WXK_RIGHT:
                 if ( event.ControlDown() )
                 {
                 }
                 break;
 
             case WXK_RIGHT:
                 if ( event.ControlDown() )
                 {

-                    MoveCursorRightBlock();
+                    MoveCursorRightBlock( event.ShiftDown() );

                 }
                 else
                 {
                 }
                 else
                 {

-                    MoveCursorRight();
+                    MoveCursorRight( event.ShiftDown() );

                 }
                 break;
 
                 }
                 break;
 


@@ -4850,15 +5425,50 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 }
                 else
                 {
                 }
                 else
                 {

-                    MoveCursorDown();
+                    if ( GetGridCursorRow() < GetNumberRows()-1 )
+                    {
+                        MoveCursorDown( event.ShiftDown() );
+                    }
+                    else
+                    {
+                        // at the bottom of a column
+                        HideCellEditControl();
+                        SaveEditControlValue();
+                    }

                 }
                 break;
 
                 }
                 break;
 

+            case WXK_ESCAPE:
+                ClearSelection();
+                break;
+

             case WXK_TAB:
                 if (event.ShiftDown())
             case WXK_TAB:
                 if (event.ShiftDown())

-                    MoveCursorLeft();
+                {
+                    if ( GetGridCursorCol() > 0 )
+                    {
+                        MoveCursorLeft( FALSE );
+                    }
+                    else
+                    {
+                        // at left of grid
+                        HideCellEditControl();
+                        SaveEditControlValue();
+                    }
+                }

                 else
                 else

-                    MoveCursorRight();
+                {
+                    if ( GetGridCursorCol() < GetNumberCols()-1 )
+                    {
+                        MoveCursorRight( FALSE );
+                    }
+                    else
+                    {
+                        // at right of grid
+                        HideCellEditControl();
+                        SaveEditControlValue();
+                    }
+                }

                 break;
 
             case WXK_HOME:
                 break;
 
             case WXK_HOME:


@@ -4894,29 +5504,46 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
                 break;
 
             case WXK_SPACE:
                 break;
 
             case WXK_SPACE:

+                if ( event.ControlDown() )
+                {
+                    m_selection->ToggleCellSelection( m_currentCellCoords.GetRow(),
+                                                      m_currentCellCoords.GetCol(),
+                                                      event.ControlDown(),
+                                                      event.ShiftDown(),
+                                                      event.AltDown(),
+                                                      event.MetaDown() );
+                    break;
+                }

                 if ( !IsEditable() )
                 {
                 if ( !IsEditable() )
                 {

-                    MoveCursorRight();
+                    MoveCursorRight( FALSE );

                     break;
                 }
                 // Otherwise fall through to default
 
             default:
                     break;
                 }
                 // Otherwise fall through to default
 
             default:

-                // 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() )
+                // is it possible to edit the current cell at all?
+                if ( !IsCellEditControlEnabled() && CanEnableCellControl() )

                 {
                 {

-                    EnableCellEditControl();
+                    // yes, now check whether the cells editor accepts the key

                     int row = m_currentCellCoords.GetRow();
                     int col = m_currentCellCoords.GetCol();
                     wxGridCellAttr* attr = GetCellAttr(row, col);
                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);
                     int row = m_currentCellCoords.GetRow();
                     int col = m_currentCellCoords.GetCol();
                     wxGridCellAttr* attr = GetCellAttr(row, col);
                     wxGridCellEditor *editor = attr->GetEditor(this, row, col);

-                    editor->StartingKey(event);
+
+                    // <F2> is special and will always start editing, for
+                    // other keys - ask the editor itself
+                    if ( (event.KeyCode() == WXK_F2 && !event.HasModifiers())
+                         || editor->IsAcceptedKey(event) )
+                    {
+                        EnableCellEditControl();
+                        editor->StartingKey(event);
+                    }
+                    else
+                    {
+                        event.Skip();
+                    }
+

                     editor->DecRef();
                     attr->DecRef();
                 }
                     editor->DecRef();
                     attr->DecRef();
                 }


@@ -4933,6 +5560,27 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
     m_inOnKeyDown = FALSE;
 }
 
     m_inOnKeyDown = FALSE;
 }
 

+void wxGrid::OnKeyUp( wxKeyEvent& event )
+{
+    // try local handlers
+    //
+    if ( event.KeyCode() == WXK_SHIFT )
+    {
+        if ( m_selectingTopLeft != wxGridNoCellCoords &&
+             m_selectingBottomRight != wxGridNoCellCoords )
+            m_selection->SelectBlock( m_selectingTopLeft.GetRow(),
+                                      m_selectingTopLeft.GetCol(),
+                                      m_selectingBottomRight.GetRow(),
+                                      m_selectingBottomRight.GetCol(),
+                                      event.ControlDown(),
+                                      TRUE,
+                                      event.AltDown(),
+                                      event.MetaDown() );
+        m_selectingTopLeft = wxGridNoCellCoords;
+        m_selectingBottomRight = wxGridNoCellCoords;
+        m_selectingKeyboard = wxGridNoCellCoords;
+    }
+}

 
 void wxGrid::OnEraseBackground(wxEraseEvent&)
 {
 
 void wxGrid::OnEraseBackground(wxEraseEvent&)
 {


@@ -4946,39 +5594,176 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
         return;
     }
 
         return;
     }
 

-    if ( m_displayed  &&
-         m_currentCellCoords != wxGridNoCellCoords )
+    wxClientDC dc(m_gridWin);
+    PrepareDC(dc);
+
+    if ( m_currentCellCoords != wxGridNoCellCoords )

     {
         HideCellEditControl();
         DisableCellEditControl();
 
     {
         HideCellEditControl();
         DisableCellEditControl();
 

-        // Clear the old current cell highlight
-        wxRect r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
+        if ( IsVisible( m_currentCellCoords, FALSE ) )
+        {
+            wxRect r;
+            r = BlockToDeviceRect(m_currentCellCoords, m_currentCellCoords);
+            if ( !m_gridLinesEnabled )
+            {
+                r.x--;
+                r.y--;
+                r.width++;
+                r.height++;
+            }

 
 

-        // Otherwise refresh redraws the highlight!
-        m_currentCellCoords = coords;
+            CalcCellsExposed( r );
+    
+            // Otherwise refresh redraws the highlight!
+            m_currentCellCoords = coords;

 
 

-        m_gridWin->Refresh( FALSE, &r );
+            DrawGridCellArea(dc);
+            DrawAllGridLines( dc, r );
+        }

     }
 
     m_currentCellCoords = coords;
 
     }
 
     m_currentCellCoords = coords;
 

-    if ( m_displayed )
+    wxGridCellAttr* attr = GetCellAttr(coords);
+    DrawCellHighlight(dc, attr);
+    attr->DecRef();
+}
+
+
+void wxGrid::HighlightBlock( int topRow, int leftCol, int bottomRow, int rightCol )
+{
+    int temp;
+    wxGridCellCoords updateTopLeft, updateBottomRight;
+
+    if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectRows )

     {
     {

-        wxClientDC dc(m_gridWin);
-        PrepareDC(dc);
+        leftCol = 0;
+        rightCol = GetNumberCols() - 1;
+    }
+    else if ( m_selection->GetSelectionMode() == wxGrid::wxGridSelectColumns )
+    {
+        topRow = 0;
+        bottomRow = GetNumberRows() - 1;
+    }
+    if ( topRow > bottomRow )
+    {
+        temp = topRow;
+        topRow = bottomRow;
+        bottomRow = temp;
+    }

 
 

-        wxGridCellAttr* attr = GetCellAttr(coords);
-        DrawCellHighlight(dc, attr);
-        attr->DecRef();
+    if ( leftCol > rightCol )
+    {
+        temp = leftCol;
+        leftCol = rightCol;
+        rightCol = temp;
+    }
+
+    updateTopLeft = wxGridCellCoords( topRow, leftCol );
+    updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
+
+    if ( m_selectingTopLeft != updateTopLeft ||
+         m_selectingBottomRight != updateBottomRight )
+    {
+        // Compute two optimal update rectangles:
+        // Either one rectangle is a real subset of the
+        // other, or they are (almost) disjoint!
+        wxRect  rect[4];
+        bool    need_refresh[4];
+        need_refresh[0] =
+        need_refresh[1] =
+        need_refresh[2] =
+        need_refresh[3] = FALSE;
+        int     i;

 
 

-        if ( IsSelection() )
+        // Store intermediate values
+        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)

         {
         {

-            wxRect r( SelectionToDeviceRect() );
-            ClearSelection();
-            if ( !GetBatchCount() ) m_gridWin->Refresh( FALSE, &r );
+            temp = oldLeft;
+            oldLeft = leftCol;
+            leftCol = temp;
+        }
+        if (oldTop > topRow )
+        {
+            temp = oldTop;
+            oldTop = topRow;
+            topRow = temp;
+        }
+        if (oldRight < rightCol )
+        {
+            temp = oldRight;
+            oldRight = rightCol;
+            rightCol = temp;
+        }
+        if (oldBottom < bottomRow)
+        {
+            temp = oldBottom;
+            oldBottom = bottomRow;
+            bottomRow = temp;
+        }
+
+        // Now, either the stuff marked old is the outer
+        // rectangle or we don't have a situation where one
+        // is contained in the other.
+
+        if ( oldLeft < leftCol )
+        {
+            need_refresh[0] = TRUE;
+            rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
+                                                            oldLeft ),
+                                         wxGridCellCoords ( oldBottom,
+                                                            leftCol - 1 ) );
+        }
+
+        if ( oldTop  < topRow )
+        {
+            need_refresh[1] = TRUE;
+            rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
+                                                            leftCol ),
+                                         wxGridCellCoords ( topRow - 1,
+                                                            rightCol ) );
+        }
+
+        if ( oldRight > rightCol )
+        {
+            need_refresh[2] = TRUE;
+            rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
+                                                            rightCol + 1 ),
+                                         wxGridCellCoords ( oldBottom,
+                                                            oldRight ) );
+        }
+
+        if ( oldBottom > bottomRow )
+        {
+            need_refresh[3] = TRUE;
+            rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
+                                                            leftCol ),
+                                         wxGridCellCoords ( oldBottom,
+                                                            rightCol ) );

         }
         }

+
+
+        // Change Selection
+        m_selectingTopLeft = updateTopLeft;
+        m_selectingBottomRight = updateBottomRight;
+
+        // various Refresh() calls
+        for (i = 0; i < 4; i++ )
+            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
+                m_gridWin->Refresh( FALSE, &(rect[i]) );

     }
     }

+
+    // never generate an event as it will be generated from
+    // wxGridSelection::SelectBlock!
+    // (old comment from when this was the body of SelectBlock)

 }
 
 
 }
 
 


@@ -5042,32 +5827,33 @@ void wxGrid::DrawGridCellArea( wxDC& dc )
 
 void wxGrid::DrawGridSpace( wxDC& dc )
 {
 
 void wxGrid::DrawGridSpace( wxDC& dc )
 {

-    if ( m_numRows  &&  m_numCols )
-    {
-        int cw, ch;
-        m_gridWin->GetClientSize( &cw, &ch );
+  int cw, ch;
+  m_gridWin->GetClientSize( &cw, &ch );

 
 

-        int right, bottom;
-        CalcUnscrolledPosition( cw, ch, &right, &bottom );
+  int right, bottom;
+  CalcUnscrolledPosition( cw, ch, &right, &bottom );

 
 

-        if ( right > GetColRight(m_numCols-1)  ||
-             bottom > GetRowBottom(m_numRows-1) )
-        {
-            int left, top;
-            CalcUnscrolledPosition( 0, 0, &left, &top );
+  int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
+  int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0 ;
+
+  if ( right > rightCol || bottom > bottomRow )
+  {
+      int left, top;
+      CalcUnscrolledPosition( 0, 0, &left, &top );

 
 

-            dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
-            dc.SetPen( *wxTRANSPARENT_PEN );
+      dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
+      dc.SetPen( *wxTRANSPARENT_PEN );

 
 

-            if ( right > GetColRight(m_numCols-1) )
-                dc.DrawRectangle( GetColRight(m_numCols-1), top,
-                                  right - GetColRight(m_numCols-1), ch );
+      if ( right > rightCol )
+      {
+          dc.DrawRectangle( rightCol, top, right - rightCol, ch);
+      }

 
 

-            if ( bottom > GetRowBottom(m_numRows-1) )
-                dc.DrawRectangle( left, GetRowBottom(m_numRows-1),
-                                  cw, bottom - GetRowBottom(m_numRows-1) );
-        }
-    }
+      if ( bottom > bottomRow )
+      {
+          dc.DrawRectangle( left, bottomRow, cw, bottom - bottomRow);
+      }
+  }

 }
 
 
 }
 
 


@@ -5089,14 +5875,11 @@ void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
 
     bool isCurrent = coords == m_currentCellCoords;
 
 
     bool isCurrent = coords == m_currentCellCoords;
 

-    wxRect rect;
-    rect.x = GetColLeft(col);
-    rect.y = GetRowTop(row);
-    rect.width = GetColWidth(col) - 1;
-    rect.height = GetRowHeight(row) - 1;
+    wxRect rect = CellToRect( row, col );

 
     // if the editor is shown, we should use it and not the renderer
 
     // if the editor is shown, we should use it and not the renderer

-    if ( isCurrent && IsCellEditControlEnabled() )
+    // Note: However, only if it is really _shown_, i.e. not hidden!
+    if ( isCurrent && IsCellEditControlShown() )

     {
         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
         editor->PaintBackground(rect, attr);
     {
         wxGridCellEditor *editor = attr->GetEditor(this, row, col);
         editor->PaintBackground(rect, attr);


@@ -5122,16 +5905,12 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
         return;
 
     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
         return;
 

-    wxRect rect;
-    rect.x = GetColLeft(col);
-    rect.y = GetRowTop(row);
-    rect.width = GetColWidth(col) - 1;
-    rect.height = GetRowHeight(row) - 1;
+    wxRect rect = CellToRect(row, col);

 
     // hmmm... what could we do here to show that the cell is disabled?
     // for now, I just draw a thinner border than for the other ones, but
     // it doesn't look really good
 
     // hmmm... what could we do here to show that the cell is disabled?
     // for now, I just draw a thinner border than for the other ones, but
     // it doesn't look really good

-    dc.SetPen(wxPen(m_gridLineColour, attr->IsReadOnly() ? 1 : 3, wxSOLID));
+    dc.SetPen(wxPen(m_cellHighlightColour, attr->IsReadOnly() ? 1 : 3, wxSOLID));

     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 
     dc.DrawRectangle(rect);
     dc.SetBrush(*wxTRANSPARENT_BRUSH);
 
     dc.DrawRectangle(rect);


@@ -5181,7 +5960,16 @@ void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
 
 void wxGrid::DrawHighlight(wxDC& dc)
 {
 
 void wxGrid::DrawHighlight(wxDC& dc)
 {

-    if ( IsCellEditControlEnabled() )
+    // This if block was previously in wxGrid::OnPaint but that doesn't
+    // seem to get called under wxGTK - MB
+    //
+    if ( m_currentCellCoords == wxGridNoCellCoords  &&
+         m_numRows && m_numCols )
+    {
+        m_currentCellCoords.Set(0, 0);
+    }
+
+    if ( IsCellEditControlShown() )

     {
         // don't show highlight when the edit control is shown
         return;
     {
         // don't show highlight when the edit control is shown
         return;


@@ -5207,7 +5995,7 @@ void wxGrid::DrawHighlight(wxDC& dc)
 // This is used to redraw all grid lines e.g. when the grid line colour
 // has been changed
 //
 // This is used to redraw all grid lines e.g. when the grid line colour
 // has been changed
 //

-void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & reg )
+void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED_GTK(reg) )

 {
     if ( !m_gridLinesEnabled ||
          !m_numRows ||
 {
     if ( !m_gridLinesEnabled ||
          !m_numRows ||


@@ -5215,7 +6003,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & reg )
 
     int top, bottom, left, right;
 
 
     int top, bottom, left, right;
 

-#ifndef __WXGTK__
+#if 0  //#ifndef __WXGTK__

     if (reg.IsEmpty())
     {
       int cw, ch;
     if (reg.IsEmpty())
     {
       int cw, ch;


@@ -5286,7 +6074,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & reg )
 
 void wxGrid::DrawRowLabels( wxDC& dc )
 {
 
 void wxGrid::DrawRowLabels( wxDC& dc )
 {

-    if ( !m_numRows || !m_numCols ) return;
+    if ( !m_numRows ) return;

 
     size_t i;
     size_t numLabels = m_rowLabelsExposed.GetCount();
 
     size_t i;
     size_t numLabels = m_rowLabelsExposed.GetCount();


@@ -5334,7 +6122,7 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
 
 void wxGrid::DrawColLabels( wxDC& dc )
 {
 
 void wxGrid::DrawColLabels( wxDC& dc )
 {

-    if ( !m_numRows || !m_numCols ) return;
+    if ( !m_numCols ) return;

 
     size_t i;
     size_t numLabels = m_colLabelsExposed.GetCount();
 
     size_t i;
     size_t numLabels = m_colLabelsExposed.GetCount();


@@ -5405,15 +6193,15 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
         float x, y;
         switch ( horizAlign )
         {
         float x, y;
         switch ( horizAlign )
         {

-            case wxRIGHT:
+            case wxALIGN_RIGHT:

                 x = rect.x + (rect.width - textWidth - 1);
                 break;
 
                 x = rect.x + (rect.width - textWidth - 1);
                 break;
 

-            case wxCENTRE:
+            case wxALIGN_CENTRE:

                 x = rect.x + ((rect.width - textWidth)/2);
                 break;
 
                 x = rect.x + ((rect.width - textWidth)/2);
                 break;
 

-            case wxLEFT:
+            case wxALIGN_LEFT:

             default:
                 x = rect.x + 1;
                 break;
             default:
                 x = rect.x + 1;
                 break;


@@ -5421,15 +6209,15 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
         switch ( vertAlign )
         {
 
         switch ( vertAlign )
         {

-            case wxBOTTOM:
+            case wxALIGN_BOTTOM:

                 y = rect.y + (rect.height - textHeight - 1);
                 break;
 
                 y = rect.y + (rect.height - textHeight - 1);
                 break;
 

-            case wxCENTRE:
+            case wxALIGN_CENTRE:

                 y = rect.y + ((rect.height - textHeight)/2);
                 break;
 
                 y = rect.y + ((rect.height - textHeight)/2);
                 break;
 

-            case wxTOP:
+            case wxALIGN_TOP:

             default:
                 y = rect.y + 1;
                 break;
             default:
                 y = rect.y + 1;
                 break;


@@ -5437,7 +6225,7 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 
         for ( size_t i = 0;  i < lines.GetCount();  i++ )
         {
 
         for ( size_t i = 0;  i < lines.GetCount();  i++ )
         {

-            dc.DrawText( lines[i], (long)x, (long)y );
+            dc.DrawText( lines[i], (int)x, (int)y );

             y += lineHeight;
         }
     }
             y += lineHeight;
         }
     }


@@ -5500,6 +6288,35 @@ void wxGrid::GetTextBoxSize( wxDC& dc,
     *height = h;
 }
 
     *height = h;
 }
 

+//
+// ------ Batch processing.
+//
+void wxGrid::EndBatch()
+{
+    if ( m_batchCount > 0 )
+    {
+        m_batchCount--;
+        if ( !m_batchCount )
+        {
+            CalcDimensions();
+            m_rowLabelWin->Refresh();
+            m_colLabelWin->Refresh();
+            m_cornerLabelWin->Refresh();
+            m_gridWin->Refresh();
+        }
+    }
+}
+
+// Use this, rather than wxWindow::Refresh(), to force an immediate
+// repainting of the grid. Has no effect if you are already inside a
+// BeginBatch / EndBatch block.
+//
+void wxGrid::ForceRefresh()
+{
+    BeginBatch();
+    EndBatch();
+}
+

 
 //
 // ------ Edit control functions
 
 //
 // ------ Edit control functions


@@ -5512,12 +6329,8 @@ void wxGrid::EnableEditing( bool edit )
     //
     if ( edit != m_editable )
     {
     //
     if ( edit != m_editable )
     {

+        if(!edit) EnableCellEditControl(edit);

         m_editable = edit;
         m_editable = edit;

-
-        // FIXME IMHO this won't disable the edit control if edit == FALSE
-        //       because of the check in the beginning of
-        //       EnableCellEditControl() just below (VZ)
-        EnableCellEditControl(m_editable);

     }
 }
 
     }
 }
 


@@ -5579,12 +6392,39 @@ bool wxGrid::IsCellEditControlEnabled() const
     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
 }
 
     return m_cellEditCtrlEnabled ? !IsCurrentCellReadOnly() : FALSE;
 }
 

+bool wxGrid::IsCellEditControlShown() const
+{
+    bool isShown = FALSE;
+
+    if ( m_cellEditCtrlEnabled )
+    {
+        int row = m_currentCellCoords.GetRow();
+        int col = m_currentCellCoords.GetCol();
+        wxGridCellAttr* attr = GetCellAttr(row, col);
+        wxGridCellEditor* editor = attr->GetEditor((wxGrid*) this, row, col);
+        attr->DecRef();
+
+        if ( editor )
+        {
+            if ( editor->IsCreated() )
+            {
+                isShown = editor->GetControl()->IsShown();
+            }
+
+            editor->DecRef();
+        }
+    }
+
+    return isShown;
+}
+

 void wxGrid::ShowCellEditControl()
 {
     if ( IsCellEditControlEnabled() )
     {
         if ( !IsVisible( m_currentCellCoords ) )
         {
 void wxGrid::ShowCellEditControl()
 {
     if ( IsCellEditControlEnabled() )
     {
         if ( !IsVisible( m_currentCellCoords ) )
         {

+            m_cellEditCtrlEnabled = FALSE;

             return;
         }
         else
             return;
         }
         else


@@ -5646,6 +6486,8 @@ void wxGrid::HideCellEditControl()
         editor->DecRef();
         attr->DecRef();
         m_gridWin->SetFocus();
         editor->DecRef();
         attr->DecRef();
         m_gridWin->SetFocus();

+        wxRect rect( CellToRect( row, col ) );
+        m_gridWin->Refresh( FALSE, &rect );

     }
 }
 
     }
 }
 


@@ -5780,6 +6622,11 @@ wxRect wxGrid::CellToRect( int row, int col )
         rect.height = GetRowHeight(row);
     }
 
         rect.height = GetRowHeight(row);
     }
 

+    // if grid lines are enabled, then the area of the cell is a bit smaller
+    if (m_gridLinesEnabled) {
+        rect.width -= 1;
+        rect.height -= 1;
+    }

     return rect;
 }
 
     return rect;
 }
 


@@ -5903,17 +6750,33 @@ void wxGrid::MakeCellVisible( int row, int col )
 // ------ Grid cursor movement functions
 //
 
 // ------ Grid cursor movement functions
 //
 

-bool wxGrid::MoveCursorUp()
+bool wxGrid::MoveCursorUp( bool expandSelection )

 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&

-         m_currentCellCoords.GetRow() > 0 )
+         m_currentCellCoords.GetRow() >= 0 )

     {
     {

-        MakeCellVisible( m_currentCellCoords.GetRow() - 1,
-                        m_currentCellCoords.GetCol() );
-
-        SetCurrentCell( m_currentCellCoords.GetRow() - 1,
-                        m_currentCellCoords.GetCol() );
-
+        if ( expandSelection)
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            if ( m_selectingKeyboard.GetRow() > 0 )
+            {
+                m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() - 1 );
+                MakeCellVisible( m_selectingKeyboard.GetRow(),
+                                 m_selectingKeyboard.GetCol() );
+                HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+            }
+        }
+        else if ( m_currentCellCoords.GetRow() > 0 )
+        {
+            ClearSelection();
+            MakeCellVisible( m_currentCellCoords.GetRow() - 1,
+                             m_currentCellCoords.GetCol() );
+            SetCurrentCell( m_currentCellCoords.GetRow() - 1,
+                            m_currentCellCoords.GetCol() );
+        }
+        else
+            return FALSE;

         return TRUE;
     }
 
         return TRUE;
     }
 


@@ -5921,19 +6784,33 @@ bool wxGrid::MoveCursorUp()
 }
 
 
 }
 
 

-bool wxGrid::MoveCursorDown()
+bool wxGrid::MoveCursorDown( bool expandSelection )

 {
 {

-    // TODO: allow for scrolling
-    //

     if ( m_currentCellCoords != wxGridNoCellCoords  &&
     if ( m_currentCellCoords != wxGridNoCellCoords  &&

-         m_currentCellCoords.GetRow() < m_numRows-1 )
+         m_currentCellCoords.GetRow() < m_numRows )

     {
     {

-        MakeCellVisible( m_currentCellCoords.GetRow() + 1,
-                        m_currentCellCoords.GetCol() );
-
-        SetCurrentCell( m_currentCellCoords.GetRow() + 1,
-                        m_currentCellCoords.GetCol() );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            if ( m_selectingKeyboard.GetRow() < m_numRows-1 )
+            {
+                m_selectingKeyboard.SetRow( m_selectingKeyboard.GetRow() + 1 );
+                MakeCellVisible( m_selectingKeyboard.GetRow(),
+                        m_selectingKeyboard.GetCol() );
+                HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+            }
+        }
+        else if ( m_currentCellCoords.GetRow() < m_numRows - 1 )
+        {
+            ClearSelection();
+            MakeCellVisible( m_currentCellCoords.GetRow() + 1,
+                             m_currentCellCoords.GetCol() );
+            SetCurrentCell( m_currentCellCoords.GetRow() + 1,
+                            m_currentCellCoords.GetCol() );
+        }
+        else
+            return FALSE;

         return TRUE;
     }
 
         return TRUE;
     }
 


@@ -5941,17 +6818,33 @@ bool wxGrid::MoveCursorDown()
 }
 
 
 }
 
 

-bool wxGrid::MoveCursorLeft()
+bool wxGrid::MoveCursorLeft( bool expandSelection )

 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&

-         m_currentCellCoords.GetCol() > 0 )
+         m_currentCellCoords.GetCol() >= 0 )

     {
     {

-        MakeCellVisible( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() - 1 );
-
-        SetCurrentCell( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() - 1 );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            if ( m_selectingKeyboard.GetCol() > 0 )
+            {
+                m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() - 1 );
+                MakeCellVisible( m_selectingKeyboard.GetRow(),
+                        m_selectingKeyboard.GetCol() );
+                HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+            }
+        }
+        else if ( m_currentCellCoords.GetCol() > 0 )
+        {
+            ClearSelection();
+            MakeCellVisible( m_currentCellCoords.GetRow(),
+                             m_currentCellCoords.GetCol() - 1 );
+            SetCurrentCell( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() - 1 );
+        }
+        else
+            return FALSE;

         return TRUE;
     }
 
         return TRUE;
     }
 


@@ -5959,17 +6852,33 @@ bool wxGrid::MoveCursorLeft()
 }
 
 
 }
 
 

-bool wxGrid::MoveCursorRight()
+bool wxGrid::MoveCursorRight( bool expandSelection )

 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_currentCellCoords != wxGridNoCellCoords  &&

-         m_currentCellCoords.GetCol() < m_numCols - 1 )
+         m_currentCellCoords.GetCol() < m_numCols )

     {
     {

-        MakeCellVisible( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() + 1 );
-
-        SetCurrentCell( m_currentCellCoords.GetRow(),
-                        m_currentCellCoords.GetCol() + 1 );
-
+        if ( expandSelection )
+        {
+            if ( m_selectingKeyboard == wxGridNoCellCoords )
+                m_selectingKeyboard = m_currentCellCoords;
+            if ( m_selectingKeyboard.GetCol() < m_numCols - 1 )
+            {
+                m_selectingKeyboard.SetCol( m_selectingKeyboard.GetCol() + 1 );
+                MakeCellVisible( m_selectingKeyboard.GetRow(),
+                        m_selectingKeyboard.GetCol() );
+                HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+            }
+        }
+        else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
+        {
+            ClearSelection();
+            MakeCellVisible( m_currentCellCoords.GetRow(),
+                             m_currentCellCoords.GetCol() + 1 );
+            SetCurrentCell( m_currentCellCoords.GetRow(),
+                            m_currentCellCoords.GetCol() + 1 );
+        }
+        else
+            return FALSE;

         return TRUE;
     }
 
         return TRUE;
     }
 


@@ -6037,7 +6946,7 @@ bool wxGrid::MovePageDown()
     return FALSE;
 }
 
     return FALSE;
 }
 

-bool wxGrid::MoveCursorUpBlock()
+bool wxGrid::MoveCursorUpBlock( bool expandSelection )

 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&


@@ -6084,15 +6993,23 @@ bool wxGrid::MoveCursorUpBlock()
         }
 
         MakeCellVisible( row, col );
         }
 
         MakeCellVisible( row, col );

-        SetCurrentCell( row, col );
-
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+        {
+            ClearSelection();
+            SetCurrentCell( row, col );
+        }

         return TRUE;
     }
 
     return FALSE;
 }
 
         return TRUE;
     }
 
     return FALSE;
 }
 

-bool wxGrid::MoveCursorDownBlock()
+bool wxGrid::MoveCursorDownBlock( bool expandSelection )

 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&


@@ -6138,16 +7055,25 @@ bool wxGrid::MoveCursorDownBlock()
             }
         }
 
             }
         }
 

-        MakeCellVisible( row, col );
-        SetCurrentCell( row, col );
-
+        MakeCellVisible( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+        {
+            ClearSelection();
+            SetCurrentCell( row, col );
+        }
+

         return TRUE;
     }
 
     return FALSE;
 }
 
         return TRUE;
     }
 
     return FALSE;
 }
 

-bool wxGrid::MoveCursorLeftBlock()
+bool wxGrid::MoveCursorLeftBlock( bool expandSelection )

 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&


@@ -6194,7 +7120,16 @@ bool wxGrid::MoveCursorLeftBlock()
         }
 
         MakeCellVisible( row, col );
         }
 
         MakeCellVisible( row, col );

-        SetCurrentCell( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+        {
+            ClearSelection();
+            SetCurrentCell( row, col );
+        }

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -6202,7 +7137,7 @@ bool wxGrid::MoveCursorLeftBlock()
     return FALSE;
 }
 
     return FALSE;
 }
 

-bool wxGrid::MoveCursorRightBlock()
+bool wxGrid::MoveCursorRightBlock( bool expandSelection )

 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&
 {
     if ( m_table &&
          m_currentCellCoords != wxGridNoCellCoords  &&


@@ -6249,7 +7184,16 @@ bool wxGrid::MoveCursorRightBlock()
         }
 
         MakeCellVisible( row, col );
         }
 
         MakeCellVisible( row, col );

-        SetCurrentCell( row, col );
+        if ( expandSelection )
+        {
+            m_selectingKeyboard = wxGridCellCoords( row, col );
+            HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
+        }
+        else
+        {
+            ClearSelection();
+            SetCurrentCell( row, col );
+        }

 
         return TRUE;
     }
 
         return TRUE;
     }


@@ -6393,12 +7337,27 @@ void wxGrid::SetLabelFont( const wxFont& font )
 
 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
 {
 
 void wxGrid::SetRowLabelAlignment( int horiz, int vert )
 {

-    if ( horiz == wxLEFT || horiz == wxCENTRE || horiz == wxRIGHT )
+    // allow old (incorrect) defs to be used
+    switch ( horiz )
+    {
+        case wxLEFT:   horiz = wxALIGN_LEFT; break;
+        case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
+        case wxCENTRE: horiz = wxALIGN_CENTRE; break;
+    }
+    
+    switch ( vert )
+    {
+        case wxTOP:    vert = wxALIGN_TOP;    break;
+        case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
+        case wxCENTRE: vert = wxALIGN_CENTRE; break;
+    }
+    
+    if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )

     {
         m_rowLabelHorizAlign = horiz;
     }
 
     {
         m_rowLabelHorizAlign = horiz;
     }
 

-    if ( vert == wxTOP || vert == wxCENTRE || vert == wxBOTTOM )
+    if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )

     {
         m_rowLabelVertAlign = vert;
     }
     {
         m_rowLabelVertAlign = vert;
     }


@@ -6411,12 +7370,27 @@ void wxGrid::SetRowLabelAlignment( int horiz, int vert )
 
 void wxGrid::SetColLabelAlignment( int horiz, int vert )
 {
 
 void wxGrid::SetColLabelAlignment( int horiz, int vert )
 {

-    if ( horiz == wxLEFT || horiz == wxCENTRE || horiz == wxRIGHT )
+    // allow old (incorrect) defs to be used
+    switch ( horiz )
+    {
+        case wxLEFT:   horiz = wxALIGN_LEFT; break;
+        case wxRIGHT:  horiz = wxALIGN_RIGHT; break;
+        case wxCENTRE: horiz = wxALIGN_CENTRE; break;
+    }
+    
+    switch ( vert )
+    {
+        case wxTOP:    vert = wxALIGN_TOP;    break;
+        case wxBOTTOM: vert = wxALIGN_BOTTOM; break;
+        case wxCENTRE: vert = wxALIGN_CENTRE; break;
+    }
+    
+    if ( horiz == wxALIGN_LEFT || horiz == wxALIGN_CENTRE || horiz == wxALIGN_RIGHT )

     {
         m_colLabelHorizAlign = horiz;
     }
 
     {
         m_colLabelHorizAlign = horiz;
     }
 

-    if ( vert == wxTOP || vert == wxCENTRE || vert == wxBOTTOM )
+    if ( vert == wxALIGN_TOP || vert == wxALIGN_CENTRE || vert == wxALIGN_BOTTOM )

     {
         m_colLabelVertAlign = vert;
     }
     {
         m_colLabelVertAlign = vert;
     }


@@ -6438,7 +7412,7 @@ void wxGrid::SetRowLabelValue( int row, const wxString& s )
             if ( rect.height > 0 )
             {
                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);
             if ( rect.height > 0 )
             {
                 CalcScrolledPosition(0, rect.y, &rect.x, &rect.y);

-                rect.x = m_left;
+                rect.x = 0;

                 rect.width = m_rowLabelWidth;
                 m_rowLabelWin->Refresh( TRUE, &rect );
             }
                 rect.width = m_rowLabelWidth;
                 m_rowLabelWin->Refresh( TRUE, &rect );
             }


@@ -6457,7 +7431,7 @@ void wxGrid::SetColLabelValue( int col, const wxString& s )
             if ( rect.width > 0 )
             {
                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);
             if ( rect.width > 0 )
             {
                 CalcScrolledPosition(rect.x, 0, &rect.x, &rect.y);

-                rect.y = m_top;
+                rect.y = 0;

                 rect.height = m_colLabelHeight;
                 m_colLabelWin->Refresh( TRUE, &rect );
             }
                 rect.height = m_colLabelHeight;
                 m_colLabelWin->Refresh( TRUE, &rect );
             }


@@ -6477,6 +7451,21 @@ void wxGrid::SetGridLineColour( const wxColour& colour )
     }
 }
 
     }
 }
 

+
+void wxGrid::SetCellHighlightColour( const wxColour& colour )
+{
+    if ( m_cellHighlightColour != colour )
+    {
+        m_cellHighlightColour = colour;
+
+        wxClientDC dc( m_gridWin );
+        PrepareDC( dc );
+        wxGridCellAttr* attr = GetCellAttr(m_currentCellCoords);
+        DrawCellHighlight(dc, attr);
+        attr->DecRef();
+    }
+}
+

 void wxGrid::EnableGridLines( bool enable )
 {
     if ( enable != m_gridLinesEnabled )
 void wxGrid::EnableGridLines( bool enable )
 {
     if ( enable != m_gridLinesEnabled )


@@ -6744,8 +7733,7 @@ wxGridCellAttr *wxGrid::GetOrCreateCellAttr(int row, int col) const
     if ( !LookupAttr(row, col, &attr) || !attr )
     {
         wxASSERT_MSG( m_table,
     if ( !LookupAttr(row, col, &attr) || !attr )
     {
         wxASSERT_MSG( m_table,

-                      _T("we may only be called if CanHaveAttributes() "
-                         "returned TRUE and then m_table should be !NULL") );
+                      _T("we may only be called if CanHaveAttributes() returned TRUE and then m_table should be !NULL") );

 
         attr = m_table->GetAttr(row, col);
         if ( !attr )
 
         attr = m_table->GetAttr(row, col);
         if ( !attr )


@@ -6923,7 +7911,7 @@ 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);
+    int index = m_typeRegistry->FindOrCloneDataType(typeName);

     if ( index == wxNOT_FOUND )
     {
         wxFAIL_MSG(wxT("Unknown data type name"));
     if ( index == wxNOT_FOUND )
     {
         wxFAIL_MSG(wxT("Unknown data type name"));


@@ -6937,11 +7925,7 @@ wxGrid::GetDefaultEditorForType(const wxString& typeName) const
 wxGridCellRenderer*
 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
 {
 wxGridCellRenderer*
 wxGrid::GetDefaultRendererForType(const wxString& typeName) const
 {

-    // the first part of the typename is the "real" type, anything after ':'
-    // are the parameters for the renderer
-    wxString type = typeName.BeforeFirst(_T(':'));
-
-    int index = m_typeRegistry->FindDataType(type);
+    int index = m_typeRegistry->FindOrCloneDataType(typeName);

     if ( index == wxNOT_FOUND )
     {
         wxFAIL_MSG(wxT("Unknown data type name"));
     if ( index == wxNOT_FOUND )
     {
         wxFAIL_MSG(wxT("Unknown data type name"));


@@ -6949,12 +7933,7 @@ wxGrid::GetDefaultRendererForType(const wxString& typeName) const
         return NULL;
     }
 
         return NULL;
     }
 

-    wxGridCellRenderer *renderer = m_typeRegistry->GetRenderer(index);
-
-    // do it even if there are no parameters to reset them to defaults
-    renderer->SetParameters(typeName.AfterFirst(_T(':')));
-
-    return renderer;
+    return m_typeRegistry->GetRenderer(index);

 }
 
 
 }
 
 


@@ -7080,7 +8059,9 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 {
     wxClientDC dc(m_gridWin);
 
 {
     wxClientDC dc(m_gridWin);
 

-    int row, col;
+    // init both of them to avoid compiler warnings, even if weo nly need one
+    int row = -1,
+        col = -1;

     if ( column )
         col = colOrRow;
     else
     if ( column )
         col = colOrRow;
     else


@@ -7115,8 +8096,12 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     // now also compare with the column label extent
     wxCoord w, h;
     dc.SetFont( GetLabelFont() );
     // now also compare with the column label extent
     wxCoord w, h;
     dc.SetFont( GetLabelFont() );

-    dc.GetTextExtent( column ? GetColLabelValue(col)
-                             : GetRowLabelValue(row), &w, &h );
+
+    if ( column )
+        dc.GetTextExtent( GetColLabelValue(col), &w, &h );
+    else
+        dc.GetTextExtent( GetRowLabelValue(col), &w, &h );
+

     extent = column ? w : h;
     if ( extent > extentMax )
     {
     extent = column ? w : h;
     if ( extent > extentMax )
     {


@@ -7131,8 +8116,15 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     }
     else
     {
     }
     else
     {

-        // leave some space around text
-        extentMax += 10;
+        if ( column )
+        {
+            // leave some space around text
+            extentMax += 10;
+        }
+        else
+        {
+            extentMax += 6;
+        }

     }
 
     if ( column )
     }
 
     if ( column )


@@ -7203,6 +8195,12 @@ void wxGrid::Fit()
     AutoSize();
 }
 
     AutoSize();
 }
 

+
+wxPen& wxGrid::GetDividerPen() const
+{
+    return wxNullPen;
+}
+

 // ----------------------------------------------------------------------------
 // cell value accessor functions
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // cell value accessor functions
 // ----------------------------------------------------------------------------


@@ -7211,7 +8209,7 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
 {
     if ( m_table )
     {
 {
     if ( m_table )
     {

-        m_table->SetValue( row, col, s.c_str() );
+        m_table->SetValue( row, col, s );

         if ( !GetBatchCount() )
         {
             wxClientDC dc( m_gridWin );
         if ( !GetBatchCount() )
         {
             wxClientDC dc( m_gridWin );


@@ -7221,7 +8219,10 @@ void wxGrid::SetCellValue( int row, int col, const wxString& s )
 
         if ( m_currentCellCoords.GetRow() == row &&
              m_currentCellCoords.GetCol() == col &&
 
         if ( m_currentCellCoords.GetRow() == row &&
              m_currentCellCoords.GetCol() == col &&

-             IsCellEditControlEnabled())
+             IsCellEditControlShown())
+             // Note: If we are using IsCellEditControlEnabled,
+             // this interacts badly with calling SetCellValue from
+             // an EVT_GRID_CELL_CHANGE handler.

         {
             HideCellEditControl();
             ShowCellEditControl(); // will reread data from table
         {
             HideCellEditControl();
             ShowCellEditControl(); // will reread data from table


@@ -7236,317 +8237,59 @@ 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 )
-    {
-        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();
+    if ( IsSelection() && !addToSelected )

         ClearSelection();
         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 );
-    }
-
-    wxGridRangeSelectEvent gridEvt( GetId(),
-                                    wxEVT_GRID_RANGE_SELECT,
-                                    this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );

 
 

-    GetEventHandler()->ProcessEvent(gridEvt);
+    m_selection->SelectRow( row, FALSE, 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();
+    if ( IsSelection() && !addToSelected )

         ClearSelection();
         ClearSelection();

-        if ( r != wxGridNoCellRect ) m_gridWin->Refresh( FALSE, &r );

 
 

-        m_selectedTopLeft.Set( 0, col );
-        m_selectedBottomRight.Set( m_numRows-1, col );
-        r = SelectionToDeviceRect();
-        m_gridWin->Refresh( FALSE, &r );
-    }
-
-    wxGridRangeSelectEvent gridEvt( GetId(),
-                                    wxEVT_GRID_RANGE_SELECT,
-                                    this,
-                                    m_selectedTopLeft,
-                                    m_selectedBottomRight );
-
-    GetEventHandler()->ProcessEvent(gridEvt);
+    m_selection->SelectCol( col, FALSE, addToSelected );

 }
 
 
 }
 
 

-void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol )
+void wxGrid::SelectBlock( int topRow, int leftCol, int bottomRow, int rightCol, 
+                          bool addToSelected )

 {
 {

-    int temp;
-    wxGridCellCoords updateTopLeft, updateBottomRight;
-
-    if ( topRow > bottomRow )
-    {
-        temp = topRow;
-        topRow = bottomRow;
-        bottomRow = temp;
-    }
-
-    if ( leftCol > rightCol )
-    {
-        temp = leftCol;
-        leftCol = rightCol;
-        rightCol = temp;
-    }
-
-    updateTopLeft = wxGridCellCoords( topRow, leftCol );
-    updateBottomRight = wxGridCellCoords( bottomRow, rightCol );
-
-    if ( m_selectedTopLeft != updateTopLeft ||
-         m_selectedBottomRight != updateBottomRight )
-    {
-        // Compute two optimal update rectangles:
-        // Either one rectangle is a real subset of the
-        // other, or they are (almost) disjoint!
-        wxRect  rect[4];
-        bool    need_refresh[4];
-        need_refresh[0] =
-        need_refresh[1] =
-        need_refresh[2] =
-        need_refresh[3] = FALSE;
-        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();
-
-        // Determine the outer/inner coordinates.
-        if (oldLeft > leftCol)
-        {
-            temp = oldLeft;
-            oldLeft = leftCol;
-            leftCol = temp;
-        }
-        if (oldTop > topRow )
-        {
-            temp = oldTop;
-            oldTop = topRow;
-            topRow = temp;
-        }
-        if (oldRight < rightCol )
-        {
-            temp = oldRight;
-            oldRight = rightCol;
-            rightCol = temp;
-        }
-        if (oldBottom < bottomRow)
-        {
-            temp = oldBottom;
-            oldBottom = bottomRow;
-            bottomRow = temp;
-        }
-
-        // Now, either the stuff marked old is the outer
-        // rectangle or we don't have a situation where one
-        // is contained in the other.
-
-        if ( oldLeft < leftCol )
-        {
-            need_refresh[0] = TRUE;
-            rect[0] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
-                                                            oldLeft ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            leftCol - 1 ) );
-        }
-
-        if ( oldTop  < topRow )
-        {
-            need_refresh[1] = TRUE;
-            rect[1] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
-                                                            leftCol ),
-                                         wxGridCellCoords ( topRow - 1,
-                                                            rightCol ) );
-        }
-
-        if ( oldRight > rightCol )
-        {
-            need_refresh[2] = TRUE;
-            rect[2] = BlockToDeviceRect( wxGridCellCoords ( oldTop,
-                                                            rightCol + 1 ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            oldRight ) );
-        }
-
-        if ( oldBottom > bottomRow )
-        {
-            need_refresh[3] = TRUE;
-            rect[3] = BlockToDeviceRect( wxGridCellCoords ( bottomRow + 1,
-                                                            leftCol ),
-                                         wxGridCellCoords ( oldBottom,
-                                                            rightCol ) );
-        }
-
-
-        // Change Selection
-        m_selectedTopLeft = updateTopLeft;
-        m_selectedBottomRight = updateBottomRight;
-
-        // various Refresh() calls
-        for (i = 0; i < 4; i++ )
-            if ( need_refresh[i] && rect[i] != wxGridNoCellRect )
-                m_gridWin->Refresh( FALSE, &(rect[i]) );
-    }
-
-    // only generate an event if the block is not being selected by
-    // dragging the mouse (in which case the event will be generated in
-    // the mouse event handler)
-    if ( !m_isDragging )
-    {
-        wxGridRangeSelectEvent gridEvt( GetId(),
-                                        wxEVT_GRID_RANGE_SELECT,
-                                        this,
-                                        m_selectedTopLeft,
-                                        m_selectedBottomRight );
+    if ( IsSelection() && !addToSelected )
+        ClearSelection();

 
 

-        GetEventHandler()->ProcessEvent(gridEvt);
-    }
+    m_selection->SelectBlock( topRow, leftCol, bottomRow, rightCol, 
+                              FALSE, addToSelected );    

 }
 
 }
 

+

 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();

 }
 
 
 }
 
 


@@ -7588,6 +8331,9 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
     int cw, ch;
     m_gridWin->GetClientSize( &cw, &ch );
 
     int cw, ch;
     m_gridWin->GetClientSize( &cw, &ch );
 

+    if (right < 0 || bottom < 0 || left > cw || top > ch)
+        return wxRect( 0, 0, 0, 0);
+

     rect.SetLeft( wxMax(0, left) );
     rect.SetTop( wxMax(0, top) );
     rect.SetRight( wxMin(cw, right) );
     rect.SetLeft( wxMax(0, left) );
     rect.SetTop( wxMax(0, top) );
     rect.SetRight( wxMin(cw, right) );


@@ -7605,7 +8351,7 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxEvent )
 
 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
 IMPLEMENT_DYNAMIC_CLASS( wxGridEvent, wxEvent )
 
 wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,

-                          int row, int col, int x, int y,
+                          int row, int col, int x, int y, bool sel,

                           bool control, bool shift, bool alt, bool meta )
         : wxNotifyEvent( type, id )
 {
                           bool control, bool shift, bool alt, bool meta )
         : wxNotifyEvent( type, id )
 {


@@ -7613,6 +8359,7 @@ wxGridEvent::wxGridEvent( int id, wxEventType type, wxObject* obj,
     m_col = col;
     m_x = x;
     m_y = y;
     m_col = col;
     m_x = x;
     m_y = y;

+    m_selecting = sel;

     m_control = control;
     m_shift = shift;
     m_alt = alt;
     m_control = control;
     m_shift = shift;
     m_alt = alt;


@@ -7646,11 +8393,13 @@ IMPLEMENT_DYNAMIC_CLASS( wxGridRangeSelectEvent, wxEvent )
 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
                                                const wxGridCellCoords& topLeft,
                                                const wxGridCellCoords& bottomRight,
 wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObject* obj,
                                                const wxGridCellCoords& topLeft,
                                                const wxGridCellCoords& bottomRight,

-                                               bool control, bool shift, bool alt, bool meta )
+                                               bool sel, bool control,
+                                               bool shift, bool alt, bool meta )

         : wxNotifyEvent( type, id )
 {
     m_topLeft     = topLeft;
     m_bottomRight = bottomRight;
         : wxNotifyEvent( type, id )
 {
     m_topLeft     = topLeft;
     m_bottomRight = bottomRight;

+    m_selecting   = sel;

     m_control     = control;
     m_shift       = shift;
     m_alt         = alt;
     m_control     = control;
     m_shift       = shift;
     m_alt         = alt;


@@ -7661,4 +8410,3 @@ wxGridRangeSelectEvent::wxGridRangeSelectEvent(int id, wxEventType type, wxObjec
 
 
 #endif // ifndef wxUSE_NEW_GRID
 
 
 #endif // ifndef wxUSE_NEW_GRID

-