mac paths updated

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

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index 6293c3cd9958981491067b60b5c44f9e5796965f..69debf772705481ca6244420c1e3dd2da89ffafd 100644 (file)
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -2,7 +2,7 @@
 // Name:        src/generic/grid.cpp
 // Purpose:     wxGrid and related classes
 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)
 // Name:        src/generic/grid.cpp
 // Purpose:     wxGrid and related classes
 // Author:      Michael Bedward (based on code by Julian Smart, Robin Dunn)

-// Modified by: Robin Dunn, Vadim Zeitlin
+// Modified by: Robin Dunn, Vadim Zeitlin, Santiago Palacios

 // Created:     1/08/1999
 // RCS-ID:      $Id$
 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)
 // Created:     1/08/1999
 // RCS-ID:      $Id$
 // Copyright:   (c) Michael Bedward (mbedward@ozemail.com.au)


@@ -18,6 +18,8 @@
 
 #if wxUSE_GRID
 
 
 #if wxUSE_GRID
 

+#include "wx/grid.h"
+

 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dcclient.h"
 #ifndef WX_PRECOMP
     #include "wx/utils.h"
     #include "wx/dcclient.h"


@@ -29,6 +31,7 @@
     #include "wx/valtext.h"
     #include "wx/intl.h"
     #include "wx/math.h"
     #include "wx/valtext.h"
     #include "wx/intl.h"
     #include "wx/math.h"

+    #include "wx/listbox.h"

 #endif
 
 #include "wx/textfile.h"
 #endif
 
 #include "wx/textfile.h"


@@ -36,9 +39,10 @@
 #include "wx/tokenzr.h"
 #include "wx/renderer.h"
 
 #include "wx/tokenzr.h"
 #include "wx/renderer.h"
 

-#include "wx/grid.h"

 #include "wx/generic/gridsel.h"
 
 #include "wx/generic/gridsel.h"
 

+const wxChar wxGridNameStr[] = wxT("grid");
+

 #if defined(__WXMOTIF__)
     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
 #else
 #if defined(__WXMOTIF__)
     #define WXUNUSED_MOTIF(identifier)  WXUNUSED(identifier)
 #else


@@ -104,6 +108,7 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_LEFT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)
 DEFINE_EVENT_TYPE(wxEVT_GRID_LABEL_RIGHT_DCLICK)
 DEFINE_EVENT_TYPE(wxEVT_GRID_ROW_SIZE)
 DEFINE_EVENT_TYPE(wxEVT_GRID_COL_SIZE)

+DEFINE_EVENT_TYPE(wxEVT_GRID_COL_MOVE)

 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)
 DEFINE_EVENT_TYPE(wxEVT_GRID_RANGE_SELECT)
 DEFINE_EVENT_TYPE(wxEVT_GRID_CELL_CHANGE)
 DEFINE_EVENT_TYPE(wxEVT_GRID_SELECT_CELL)


@@ -115,22 +120,48 @@ DEFINE_EVENT_TYPE(wxEVT_GRID_EDITOR_CREATED)
 // private classes
 // ----------------------------------------------------------------------------
 
 // private classes
 // ----------------------------------------------------------------------------
 

-class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxWindow
+// common base class for various grid subwindows
+class WXDLLIMPEXP_ADV wxGridSubwindow : public wxWindow
+{
+public:
+    wxGridSubwindow() { m_owner = NULL; }
+    wxGridSubwindow(wxGrid *owner,
+                    wxWindowID id,
+                    const wxPoint& pos,
+                    const wxSize& size,
+                    int additionalStyle = 0,
+                    const wxString& name = wxPanelNameStr)
+        : wxWindow(owner, id, pos, size,
+                   wxBORDER_NONE | additionalStyle,
+                   name)
+    {
+        m_owner = owner;
+    }
+
+    virtual bool AcceptsFocus() const { return false; }
+
+    wxGrid *GetOwner() { return m_owner; }
+
+protected:
+    void OnMouseCaptureLost(wxMouseCaptureLostEvent& event);
+
+    wxGrid *m_owner;
+
+    DECLARE_EVENT_TABLE()
+    DECLARE_NO_COPY_CLASS(wxGridSubwindow)
+};
+
+class WXDLLIMPEXP_ADV wxGridRowLabelWindow : public wxGridSubwindow

 {
 public:
 {
 public:

-    wxGridRowLabelWindow() { m_owner = (wxGrid *)NULL; }
+    wxGridRowLabelWindow() { }

     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
                           const wxPoint &pos, const wxSize &size );
 
 private:
     wxGridRowLabelWindow( wxGrid *parent, wxWindowID id,
                           const wxPoint &pos, const wxSize &size );
 
 private:

-    wxGrid   *m_owner;
-

     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );
     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );

-    void OnKeyDown( wxKeyEvent& event );
-    void OnKeyUp( wxKeyEvent& );
-    void OnChar( wxKeyEvent& );

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


@@ -138,22 +169,17 @@ private:
 };
 
 
 };
 
 

-class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridColLabelWindow : public wxGridSubwindow

 {
 public:
 {
 public:

-    wxGridColLabelWindow() { m_owner = (wxGrid *)NULL; }
+    wxGridColLabelWindow() { }

     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
                           const wxPoint &pos, const wxSize &size );
 
 private:
     wxGridColLabelWindow( wxGrid *parent, wxWindowID id,
                           const wxPoint &pos, const wxSize &size );
 
 private:

-    wxGrid   *m_owner;
-

     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );
     void OnPaint( wxPaintEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );

-    void OnKeyDown( wxKeyEvent& event );
-    void OnKeyUp( wxKeyEvent& );
-    void OnChar( wxKeyEvent& );

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


@@ -161,21 +187,16 @@ private:
 };
 
 
 };
 
 

-class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridCornerLabelWindow : public wxGridSubwindow

 {
 public:
 {
 public:

-    wxGridCornerLabelWindow() { m_owner = (wxGrid *)NULL; }
+    wxGridCornerLabelWindow() { }

     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
                              const wxPoint &pos, const wxSize &size );
 
 private:
     wxGridCornerLabelWindow( wxGrid *parent, wxWindowID id,
                              const wxPoint &pos, const wxSize &size );
 
 private:

-    wxGrid *m_owner;
-

     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );
     void OnMouseEvent( wxMouseEvent& event );
     void OnMouseWheel( wxMouseEvent& event );

-    void OnKeyDown( wxKeyEvent& event );
-    void OnKeyUp( wxKeyEvent& );
-    void OnChar( wxKeyEvent& );

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


@@ -183,12 +204,11 @@ private:
     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 };
 
     DECLARE_NO_COPY_CLASS(wxGridCornerLabelWindow)
 };
 

-class WXDLLIMPEXP_ADV wxGridWindow : public wxWindow
+class WXDLLIMPEXP_ADV wxGridWindow : public wxGridSubwindow

 {
 public:
     wxGridWindow()
     {
 {
 public:
     wxGridWindow()
     {

-        m_owner = NULL;

         m_rowLabelWin = NULL;
         m_colLabelWin = NULL;
     }
         m_rowLabelWin = NULL;
         m_colLabelWin = NULL;
     }


@@ -197,14 +217,12 @@ public:
                   wxGridRowLabelWindow *rowLblWin,
                   wxGridColLabelWindow *colLblWin,
                   wxWindowID id, const wxPoint &pos, const wxSize &size );
                   wxGridRowLabelWindow *rowLblWin,
                   wxGridColLabelWindow *colLblWin,
                   wxWindowID id, const wxPoint &pos, const wxSize &size );

-    ~wxGridWindow() {}

 
     void ScrollWindow( int dx, int dy, const wxRect *rect );
 
 
     void ScrollWindow( int dx, int dy, const wxRect *rect );
 

-    wxGrid* GetOwner() { return m_owner; }
+    virtual bool AcceptsFocus() const { return true; }

 
 private:
 
 private:

-    wxGrid                   *m_owner;

     wxGridRowLabelWindow     *m_rowLabelWin;
     wxGridColLabelWindow     *m_colLabelWin;
 
     wxGridRowLabelWindow     *m_rowLabelWin;
     wxGridColLabelWindow     *m_colLabelWin;
 


@@ -467,7 +485,7 @@ void wxGridCellEditor::PaintBackground(const wxRect& rectCell,
         gridWindow->GetOwner()->PrepareDC(dc);
 
     dc.SetPen(*wxTRANSPARENT_PEN);
         gridWindow->GetOwner()->PrepareDC(dc);
 
     dc.SetPen(*wxTRANSPARENT_PEN);

-    dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxSOLID));
+    dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxBRUSHSTYLE_SOLID));

     dc.DrawRectangle(rectCell);
 
     // redraw the control we just painted over
     dc.DrawRectangle(rectCell);
 
     // redraw the control we just painted over


@@ -570,6 +588,12 @@ bool wxGridCellEditor::IsAcceptedKey(wxKeyEvent& event)
     int key = 0;
     bool keyOk = true;
 
     int key = 0;
     bool keyOk = true;
 

+#ifdef __WXGTK20__
+    // If it's a F-Key or other special key then it shouldn't start the
+    // editor.
+    if (event.GetKeyCode() >= WXK_START)
+        return false;
+#endif

 #if wxUSE_UNICODE
     // if the unicode key code is not really a unicode character (it may
     // be a function key or etc., the platforms appear to always give us a
 #if wxUSE_UNICODE
     // if the unicode key code is not really a unicode character (it may
     // be a function key or etc., the platforms appear to always give us a


@@ -613,17 +637,27 @@ void wxGridCellTextEditor::Create(wxWindow* parent,
                                   wxWindowID id,
                                   wxEvtHandler* evtHandler)
 {
                                   wxWindowID id,
                                   wxEvtHandler* evtHandler)
 {

+    DoCreate(parent, id, evtHandler);
+}
+
+void wxGridCellTextEditor::DoCreate(wxWindow* parent,
+                                    wxWindowID id,
+                                    wxEvtHandler* evtHandler,
+                                    long style)
+{
+    style |= wxTE_PROCESS_ENTER |
+             wxTE_PROCESS_TAB |
+             wxTE_AUTO_SCROLL |
+             wxNO_BORDER;
+

     m_control = new wxTextCtrl(parent, id, wxEmptyString,
     m_control = new wxTextCtrl(parent, id, wxEmptyString,

-                               wxDefaultPosition, wxDefaultSize
-#if defined(__WXMSW__)
-                               , wxTE_PROCESS_TAB | wxTE_AUTO_SCROLL
-#endif
-                              );
+                               wxDefaultPosition, wxDefaultSize,
+                               style);

 
     // set max length allowed in the textctrl, if the parameter was set
 
     // set max length allowed in the textctrl, if the parameter was set

-    if (m_maxChars != 0)
+    if ( m_maxChars != 0 )

     {
     {

-        ((wxTextCtrl*)m_control)->SetMaxLength(m_maxChars);
+        Text()->SetMaxLength(m_maxChars);

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


@@ -652,27 +686,33 @@ void wxGridCellTextEditor::SetSize(const wxRect& rectOrig)
         rect.width -= 1;
         rect.height -= 1;
     }
         rect.width -= 1;
         rect.height -= 1;
     }

-#else // !GTK
-    int extra_x = ( rect.x > 2 ) ? 2 : 1;
+#elif defined(__WXMSW__)
+    if ( rect.x == 0 )
+        rect.x += 2;
+    else
+        rect.x += 3;

 
 

-// 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;
+    if ( rect.y == 0 )
+        rect.y += 2;
+    else
+        rect.y += 3;
+
+    rect.width -= 2;
+    rect.height -= 2;

 #else
 #else

+    int extra_x = ( rect.x > 2 ) ? 2 : 1;

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

-#endif

 
 

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

 
     rect.SetLeft( wxMax(0, rect.x - extra_x) );
     rect.SetTop( wxMax(0, rect.y - extra_y) );
     rect.SetRight( rect.GetRight() + 2 * extra_x );
     rect.SetBottom( rect.GetBottom() + 2 * extra_y );
 
     rect.SetLeft( wxMax(0, rect.x - extra_x) );
     rect.SetTop( wxMax(0, rect.y - extra_y) );
     rect.SetRight( rect.GetRight() + 2 * extra_x );
     rect.SetBottom( rect.GetBottom() + 2 * extra_y );

-#endif // GTK/!GTK
+#endif

 
     wxGridCellEditor::SetSize(rect);
 }
 
     wxGridCellEditor::SetSize(rect);
 }


@@ -1178,27 +1218,30 @@ bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
 {
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {
 {
     if ( wxGridCellEditor::IsAcceptedKey(event) )
     {

-        int keycode = event.GetKeyCode();
-        printf("%d\n", keycode);
-        // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
-        char tmpbuf[2];
-        tmpbuf[0] = (char) keycode;
-        tmpbuf[1] = '\0';
-        wxString strbuf(tmpbuf, *wxConvCurrent);
+        const int keycode = event.GetKeyCode();
+        if ( isascii(keycode) )
+        {
+            char tmpbuf[2];
+            tmpbuf[0] = (char) keycode;
+            tmpbuf[1] = '\0';
+            wxString strbuf(tmpbuf, *wxConvCurrent);

 
 #if wxUSE_INTL
 
 #if wxUSE_INTL

-        bool is_decimal_point =
-            ( strbuf == wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
-                                          wxLOCALE_CAT_NUMBER) );
+            const wxString decimalPoint =
+                wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT, wxLOCALE_CAT_NUMBER);

 #else
 #else

-        bool is_decimal_point = ( strbuf == _T(".") );
+            const wxString decimalPoint(_T('.'));

 #endif
 
 #endif
 

-        if ( (keycode < 128) &&
-             (wxIsdigit(keycode) || tolower(keycode) == 'e' ||
-              is_decimal_point || keycode == '+' || keycode == '-') )
-        {
-            return true;
+            // accept digits, 'e' as in '1e+6', also '-', '+', and '.'
+            if ( wxIsdigit(keycode) ||
+                    tolower(keycode) == 'e' ||
+                        keycode == decimalPoint ||
+                            keycode == '+' ||
+                                keycode == '-' )
+            {
+                return true;
+            }

         }
     }
 
         }
     }
 


@@ -1213,6 +1256,9 @@ bool wxGridCellFloatEditor::IsAcceptedKey(wxKeyEvent& event)
 // wxGridCellBoolEditor
 // ----------------------------------------------------------------------------
 
 // wxGridCellBoolEditor
 // ----------------------------------------------------------------------------
 

+// the default values for GetValue()
+wxString wxGridCellBoolEditor::ms_stringValues[2] = { _T(""), _T("1") };
+

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


@@ -1318,7 +1364,19 @@ void wxGridCellBoolEditor::BeginEdit(int row, int col, wxGrid* grid)
     else
     {
         wxString cellval( grid->GetTable()->GetValue(row, col) );
     else
     {
         wxString cellval( grid->GetTable()->GetValue(row, col) );

-        m_startValue = !( !cellval || (cellval == wxT("0")) );
+
+        if ( cellval == ms_stringValues[false] )
+            m_startValue = false;
+        else if ( cellval == ms_stringValues[true] )
+            m_startValue = true;
+        else
+        {
+            // do not try to be smart here and convert it to true or false
+            // because we'll still overwrite it with something different and
+            // this risks to be very surprising for the user code, let them
+            // know about it
+            wxFAIL_MSG( _T("invalid value for a cell with bool editor!") );
+        }

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


@@ -1338,10 +1396,11 @@ bool wxGridCellBoolEditor::EndEdit(int row, int col,
 
     if ( changed )
     {
 
     if ( changed )
     {

-        if (grid->GetTable()->CanGetValueAs(row, col, wxGRID_VALUE_BOOL))
-            grid->GetTable()->SetValueAsBool(row, col, value);
+        wxGridTableBase * const table = grid->GetTable();
+        if ( table->CanGetValueAs(row, col, wxGRID_VALUE_BOOL) )
+            table->SetValueAsBool(row, col, value);

         else
         else

-            grid->GetTable()->SetValue(row, col, value ? _T("1") : wxEmptyString);
+            table->SetValue(row, col, GetValue());

     }
 
     return changed;
     }
 
     return changed;


@@ -1396,12 +1455,23 @@ void wxGridCellBoolEditor::StartingKey(wxKeyEvent& event)
     }
 }
 
     }
 }
 

-
-// return the value as "1" for true and the empty string for false

 wxString wxGridCellBoolEditor::GetValue() const
 {
 wxString wxGridCellBoolEditor::GetValue() const
 {

-  bool bSet = CBox()->GetValue();
-  return bSet ? _T("1") : wxEmptyString;
+  return ms_stringValues[CBox()->GetValue()];
+}
+
+/* static */ void
+wxGridCellBoolEditor::UseStringValues(const wxString& valueTrue,
+                                      const wxString& valueFalse)
+{
+    ms_stringValues[false] = valueFalse;
+    ms_stringValues[true] = valueTrue;
+}
+
+/* static */ bool
+wxGridCellBoolEditor::IsTrueValue(const wxString& value)
+{
+    return value == ms_stringValues[true];

 }
 
 #endif // wxUSE_CHECKBOX
 }
 
 #endif // wxUSE_CHECKBOX


@@ -1445,10 +1515,16 @@ void wxGridCellChoiceEditor::Create(wxWindow* parent,
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {
                                     wxWindowID id,
                                     wxEvtHandler* evtHandler)
 {

+    int style = wxTE_PROCESS_ENTER |
+                wxTE_PROCESS_TAB |
+                wxBORDER_NONE;
+
+    if ( !m_allowOthers )
+        style |= wxCB_READONLY;

     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
                                m_choices,
     m_control = new wxComboBox(parent, id, wxEmptyString,
                                wxDefaultPosition, wxDefaultSize,
                                m_choices,

-                               m_allowOthers ? 0 : wxCB_READONLY);
+                               style);

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


@@ -1483,8 +1559,9 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
     if (m_allowOthers)
     {
         Combo()->SetValue(m_startValue);
     if (m_allowOthers)
     {
         Combo()->SetValue(m_startValue);

+        Combo()->SetInsertionPointEnd();

     }
     }

-    else
+    else // the combobox is read-only

     {
         // find the right position, or default to the first if not found
         int pos = Combo()->FindString(m_startValue);
     {
         // find the right position, or default to the first if not found
         int pos = Combo()->FindString(m_startValue);


@@ -1493,7 +1570,6 @@ void wxGridCellChoiceEditor::BeginEdit(int row, int col, wxGrid* grid)
         Combo()->SetSelection(pos);
     }
 
         Combo()->SetSelection(pos);
     }
 

-    Combo()->SetInsertionPointEnd();

     Combo()->SetFocus();
 
     if (evtHandler)
     Combo()->SetFocus();
 
     if (evtHandler)


@@ -1727,23 +1803,28 @@ void wxGridCellRenderer::Draw(wxGrid& grid,
                               int WXUNUSED(row), int WXUNUSED(col),
                               bool isSelected)
 {
                               int WXUNUSED(row), int WXUNUSED(col),
                               bool isSelected)
 {

-    dc.SetBackgroundMode( wxSOLID );
+    dc.SetBackgroundMode( wxBRUSHSTYLE_SOLID );

 
     // grey out fields if the grid is disabled
     if ( grid.IsEnabled() )
     {
         if ( isSelected )
         {
 
     // grey out fields if the grid is disabled
     if ( grid.IsEnabled() )
     {
         if ( isSelected )
         {

-            dc.SetBrush( wxBrush(grid.GetSelectionBackground(), wxSOLID) );
+            wxColour clr;
+            if ( grid.HasFocus() )
+                clr = grid.GetSelectionBackground();
+            else
+                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
+            dc.SetBrush( wxBrush(clr, wxBRUSHSTYLE_SOLID) );

         }
         else
         {
         }
         else
         {

-            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxSOLID) );
+            dc.SetBrush( wxBrush(attr.GetBackgroundColour(), wxBRUSHSTYLE_SOLID) );

         }
     }
     else
     {
         }
     }
     else
     {

-        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxSOLID));
+        dc.SetBrush(wxBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE), wxBRUSHSTYLE_SOLID));

     }
 
     dc.SetPen( *wxTRANSPARENT_PEN );
     }
 
     dc.SetPen( *wxTRANSPARENT_PEN );


@@ -1759,7 +1840,7 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
                                                      wxDC& dc,
                                                      bool isSelected)
 {
                                                      wxDC& dc,
                                                      bool isSelected)
 {

-    dc.SetBackgroundMode( wxTRANSPARENT );
+    dc.SetBackgroundMode( wxBRUSHSTYLE_TRANSPARENT );

 
     // TODO some special colours for attr.IsReadOnly() case?
 
 
     // TODO some special colours for attr.IsReadOnly() case?
 


@@ -1768,7 +1849,12 @@ void wxGridCellStringRenderer::SetTextColoursAndFont(const wxGrid& grid,
     {
         if ( isSelected )
         {
     {
         if ( isSelected )
         {

-            dc.SetTextBackground( grid.GetSelectionBackground() );
+            wxColour clr;
+            if ( grid.HasFocus() )
+                clr = grid.GetSelectionBackground();
+            else
+                clr = wxSystemSettings::GetColour(wxSYS_COLOUR_BTNSHADOW);
+            dc.SetTextBackground( clr );

             dc.SetTextForeground( grid.GetSelectionForeground() );
         }
         else
             dc.SetTextForeground( grid.GetSelectionForeground() );
         }
         else


@@ -2129,8 +2215,7 @@ wxSize wxGridCellBoolRenderer::GetBestSize(wxGrid& grid,
         wxSize size = checkbox->GetBestSize();
         wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
 
         wxSize size = checkbox->GetBestSize();
         wxCoord checkSize = size.y + 2 * wxGRID_CHECKMARK_MARGIN;
 

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

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


@@ -2159,7 +2244,7 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
     if ( size.x >= minSize || size.y >= minSize )
     {
         // and even leave (at least) 1 pixel margin
     if ( size.x >= minSize || size.y >= minSize )
     {
         // and even leave (at least) 1 pixel margin

-        size.x = size.y = minSize - 2;
+        size.x = size.y = minSize;

     }
 
     // draw a border around checkmark
     }
 
     // draw a border around checkmark


@@ -2197,29 +2282,14 @@ void wxGridCellBoolRenderer::Draw(wxGrid& grid,
     else
     {
         wxString cellval( grid.GetTable()->GetValue(row, col) );
     else
     {
         wxString cellval( grid.GetTable()->GetValue(row, col) );

-        value = !( !cellval || (cellval == wxT("0")) );
+        value = wxGridCellBoolEditor::IsTrueValue(cellval);

     }
 
     }
 

-    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
-        rectMark.Inflate(-wxGRID_CHECKMARK_MARGIN);
-#endif
-
-        dc.SetTextForeground(attr.GetTextColour());
-        dc.DrawCheckMark(rectMark);
-    }
+    int flags = 0;
+    if (value)
+        flags |= wxCONTROL_CHECKED;

 
 

-    dc.SetBrush(*wxTRANSPARENT_BRUSH);
-    dc.SetPen(wxPen(attr.GetTextColour(), 1, wxSOLID));
-    dc.DrawRectangle(rectBorder);
+    wxRendererNative::Get().DrawCheckBox( &grid, dc, rectBorder, flags );

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


@@ -2272,6 +2342,7 @@ wxGridCellAttr *wxGridCellAttr::Clone() const
     if ( IsReadOnly() )
         attr->SetReadOnly();
 
     if ( IsReadOnly() )
         attr->SetReadOnly();
 

+    attr->SetOverflow( m_overflow == Overflow );

     attr->SetKind( m_attrkind );
 
     return attr;
     attr->SetKind( m_attrkind );
 
     return attr;


@@ -2423,7 +2494,7 @@ void wxGridCellAttr::GetSize( int *num_rows, int *num_cols ) const
 // NULL (because the table has a type that the grid does not have in its
 // registry), then the grid's default editor or renderer is used.
 
 // NULL (because the table has a type that the grid does not have in its
 // registry), then the grid's default editor or renderer is used.
 

-wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col) const
+wxGridCellRenderer* wxGridCellAttr::GetRenderer(const wxGrid* grid, int row, int col) const

 {
     wxGridCellRenderer *renderer = NULL;
 
 {
     wxGridCellRenderer *renderer = NULL;
 


@@ -2467,7 +2538,7 @@ wxGridCellRenderer* wxGridCellAttr::GetRenderer(wxGrid* grid, int row, int col)
 }
 
 // same as above, except for s/renderer/editor/g
 }
 
 // same as above, except for s/renderer/editor/g

-wxGridCellEditor* wxGridCellAttr::GetEditor(wxGrid* grid, int row, int col) const
+wxGridCellEditor* wxGridCellAttr::GetEditor(const wxGrid* grid, int row, int col) const

 {
     wxGridCellEditor *editor = NULL;
 
 {
     wxGridCellEditor *editor = NULL;
 


@@ -2519,8 +2590,12 @@ void wxGridCellAttrData::SetAttr(wxGridCellAttr *attr, int row, int col)
     int n = FindIndex(row, col);
     if ( n == wxNOT_FOUND )
     {
     int n = FindIndex(row, col);
     if ( n == wxNOT_FOUND )
     {

-        // add the attribute
-        m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
+        if ( attr )
+        {
+            // add the attribute
+            m_attrs.Add(new wxGridCellWithAttr(row, col, attr));
+        }
+        //else: nothing to do

     }
     else
     {
     }
     else
     {


@@ -2647,7 +2722,7 @@ int wxGridCellAttrData::FindIndex(int row, int col) const
 
 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
 {
 
 wxGridRowOrColAttrData::~wxGridRowOrColAttrData()
 {

-    size_t count = m_attrs.Count();
+    size_t count = m_attrs.GetCount();

     for ( size_t n = 0; n < count; n++ )
     {
         m_attrs[n]->DecRef();
     for ( size_t n = 0; n < count; n++ )
     {
         m_attrs[n]->DecRef();


@@ -2673,9 +2748,13 @@ void wxGridRowOrColAttrData::SetAttr(wxGridCellAttr *attr, int rowOrCol)
     int i = m_rowsOrCols.Index(rowOrCol);
     if ( i == wxNOT_FOUND )
     {
     int i = m_rowsOrCols.Index(rowOrCol);
     if ( i == wxNOT_FOUND )
     {

-        // add the attribute
-        m_rowsOrCols.Add(rowOrCol);
-        m_attrs.Add(attr);
+        if ( attr )
+        {
+            // add the attribute
+            m_rowsOrCols.Add(rowOrCol);
+            m_attrs.Add(attr);
+        }
+        // nothing to remove

     }
     else
     {
     }
     else
     {


@@ -2888,7 +2967,7 @@ void wxGridCellAttrProvider::UpdateAttrCols( size_t pos, int numCols )
 
 wxGridTypeRegistry::~wxGridTypeRegistry()
 {
 
 wxGridTypeRegistry::~wxGridTypeRegistry()
 {

-    size_t count = m_typeinfo.Count();
+    size_t count = m_typeinfo.GetCount();

     for ( size_t i = 0; i < count; i++ )
         delete m_typeinfo[i];
 }
     for ( size_t i = 0; i < count; i++ )
         delete m_typeinfo[i];
 }


@@ -3500,6 +3579,15 @@ bool wxGridStringTable::InsertCols( size_t pos, size_t numCols )
         return AppendCols( numCols );
     }
 
         return AppendCols( numCols );
     }
 

+    if ( !m_colLabels.IsEmpty() )
+    {
+        m_colLabels.Insert( wxEmptyString, pos, numCols );
+
+        size_t i;
+        for ( i = pos; i < pos + numCols; i++ )
+            m_colLabels[i] = wxGridTableBase::GetColLabelValue( i );
+    }
+

     for ( row = 0; row < curNumRows; row++ )
     {
         for ( col = pos; col < pos + numCols; col++ )
     for ( row = 0; row < curNumRows; row++ )
     {
         for ( col = pos; col < pos + numCols; col++ )


@@ -3574,9 +3662,25 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         return false;
     }
 
         return false;
     }
 

-    if ( numCols > curNumCols - pos )
+    int colID;
+    if ( GetView() )
+        colID = GetView()->GetColAt( pos );
+    else
+        colID = pos;
+
+    if ( numCols > curNumCols - colID )
+    {
+        numCols = curNumCols - colID;
+    }
+
+    if ( !m_colLabels.IsEmpty() )

     {
     {

-        numCols = curNumCols - pos;
+        // m_colLabels stores just as many elements as it needs, e.g. if only
+        // the label of the first column had been set it would have only one
+        // element and not numCols, so account for it
+        int nToRm = m_colLabels.size() - colID;
+        if ( nToRm > 0 )
+            m_colLabels.RemoveAt( colID, nToRm );

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


@@ -3587,7 +3691,7 @@ bool wxGridStringTable::DeleteCols( size_t pos, size_t numCols )
         }
         else
         {
         }
         else
         {

-            m_data[row].RemoveAt( pos, numCols );
+            m_data[row].RemoveAt( colID, numCols );

         }
     }
 
         }
     }
 


@@ -3668,21 +3772,27 @@ void wxGridStringTable::SetColLabelValue( int col, const wxString& value )
 //////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////
 
 //////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////
 

+BEGIN_EVENT_TABLE(wxGridSubwindow, wxWindow)
+    EVT_MOUSE_CAPTURE_LOST(wxGridSubwindow::OnMouseCaptureLost)
+END_EVENT_TABLE()
+
+void wxGridSubwindow::OnMouseCaptureLost(wxMouseCaptureLostEvent& WXUNUSED(event))
+{
+    m_owner->CancelMouseCapture();
+}
+

 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridRowLabelWindow, wxWindow )
 

-BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxWindow )
+BEGIN_EVENT_TABLE( wxGridRowLabelWindow, wxGridSubwindow )

     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridRowLabelWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridRowLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridRowLabelWindow::OnMouseEvent )

-    EVT_KEY_DOWN( wxGridRowLabelWindow::OnKeyDown )
-    EVT_KEY_UP( wxGridRowLabelWindow::OnKeyUp )
-    EVT_CHAR( wxGridRowLabelWindow::OnChar )

 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
 END_EVENT_TABLE()
 
 wxGridRowLabelWindow::wxGridRowLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )

-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
+  : wxGridSubwindow(parent, id, pos, size)

 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }


@@ -3699,7 +3809,8 @@ void wxGridRowLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     int x, y;
     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
 
     int x, y;
     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );

-    dc.SetDeviceOrigin( 0, -y );
+    wxPoint pt = dc.GetDeviceOrigin();
+    dc.SetDeviceOrigin( pt.x, pt.y-y );

 
     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
     m_owner->DrawRowLabels( dc, rows );
 
     wxArrayInt rows = m_owner->CalcRowLabelsExposed( GetUpdateRegion() );
     m_owner->DrawRowLabels( dc, rows );


@@ -3715,44 +3826,20 @@ void wxGridRowLabelWindow::OnMouseWheel( wxMouseEvent& event )
     m_owner->GetEventHandler()->ProcessEvent( event );
 }
 
     m_owner->GetEventHandler()->ProcessEvent( event );
 }
 

-// This seems to be required for wxMotif otherwise the mouse
-// cursor must be in the cell edit control to get key events
-//
-void wxGridRowLabelWindow::OnKeyDown( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridRowLabelWindow::OnKeyUp( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridRowLabelWindow::OnChar( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-

 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
 
 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridColLabelWindow, wxWindow )
 

-BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxWindow )
+BEGIN_EVENT_TABLE( wxGridColLabelWindow, wxGridSubwindow )

     EVT_PAINT( wxGridColLabelWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridColLabelWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridColLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridColLabelWindow::OnMouseEvent )

-    EVT_KEY_DOWN( wxGridColLabelWindow::OnKeyDown )
-    EVT_KEY_UP( wxGridColLabelWindow::OnKeyUp )
-    EVT_CHAR( wxGridColLabelWindow::OnChar )

 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )
 END_EVENT_TABLE()
 
 wxGridColLabelWindow::wxGridColLabelWindow( wxGrid *parent,
                                             wxWindowID id,
                                             const wxPoint &pos, const wxSize &size )

-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
+  : wxGridSubwindow(parent, id, pos, size)

 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }


@@ -3769,7 +3856,11 @@ void wxGridColLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     int x, y;
     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );
 
     int x, y;
     m_owner->CalcUnscrolledPosition( 0, 0, &x, &y );

-    dc.SetDeviceOrigin( -x, 0 );
+    wxPoint pt = dc.GetDeviceOrigin();
+    if (GetLayoutDirection() == wxLayout_RightToLeft)
+        dc.SetDeviceOrigin( pt.x+x, pt.y );
+    else
+        dc.SetDeviceOrigin( pt.x-x, pt.y );

 
     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
     m_owner->DrawColLabels( dc, cols );
 
     wxArrayInt cols = m_owner->CalcColLabelsExposed( GetUpdateRegion() );
     m_owner->DrawColLabels( dc, cols );


@@ -3785,44 +3876,20 @@ void wxGridColLabelWindow::OnMouseWheel( wxMouseEvent& event )
     m_owner->GetEventHandler()->ProcessEvent( event );
 }
 
     m_owner->GetEventHandler()->ProcessEvent( event );
 }
 

-// This seems to be required for wxMotif otherwise the mouse
-// cursor must be in the cell edit control to get key events
-//
-void wxGridColLabelWindow::OnKeyDown( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridColLabelWindow::OnKeyUp( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridColLabelWindow::OnChar( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-

 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
 
 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridCornerLabelWindow, wxWindow )
 

-BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxWindow )
+BEGIN_EVENT_TABLE( wxGridCornerLabelWindow, wxGridSubwindow )

     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridCornerLabelWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridCornerLabelWindow::OnMouseEvent )
     EVT_PAINT( wxGridCornerLabelWindow::OnPaint )

-    EVT_KEY_DOWN( wxGridCornerLabelWindow::OnKeyDown )
-    EVT_KEY_UP( wxGridCornerLabelWindow::OnKeyUp )
-    EVT_CHAR( wxGridCornerLabelWindow::OnChar )

 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )
 END_EVENT_TABLE()
 
 wxGridCornerLabelWindow::wxGridCornerLabelWindow( wxGrid *parent,
                                                   wxWindowID id,
                                                   const wxPoint &pos, const wxSize &size )

-  : wxWindow( parent, id, pos, size, wxWANTS_CHARS | wxBORDER_NONE | wxFULL_REPAINT_ON_RESIZE )
+  : wxGridSubwindow(parent, id, pos, size)

 {
     m_owner = parent;
 }
 {
     m_owner = parent;
 }


@@ -3836,7 +3903,8 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
     GetClientSize( &client_width, &client_height );
 
     // VZ: any reason for this ifdef? (FIXME)
     GetClientSize( &client_width, &client_height );
 
     // VZ: any reason for this ifdef? (FIXME)

-#ifdef __WXGTK__
+#if 0
+def __WXGTK__

     wxRect rect;
     rect.SetX( 1 );
     rect.SetY( 1 );
     wxRect rect;
     rect.SetX( 1 );
     rect.SetY( 1 );


@@ -3845,7 +3913,7 @@ void wxGridCornerLabelWindow::OnPaint( wxPaintEvent& WXUNUSED(event) )
 
     wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
 #else // !__WXGTK__
 
     wxRendererNative::Get().DrawHeaderButton( this, dc, rect, 0 );
 #else // !__WXGTK__

-    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW), 1, wxSOLID) );
+    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxPENSTYLE_SOLID) );

     dc.DrawLine( client_width - 1, client_height - 1, client_width - 1, 0 );
     dc.DrawLine( client_width - 1, client_height - 1, 0, client_height - 1 );
     dc.DrawLine( 0, 0, client_width, 0 );
     dc.DrawLine( client_width - 1, client_height - 1, client_width - 1, 0 );
     dc.DrawLine( client_width - 1, client_height - 1, 0, client_height - 1 );
     dc.DrawLine( 0, 0, client_width, 0 );


@@ -3867,32 +3935,11 @@ void wxGridCornerLabelWindow::OnMouseWheel( wxMouseEvent& event )
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 
     m_owner->GetEventHandler()->ProcessEvent(event);
 }
 

-// This seems to be required for wxMotif otherwise the mouse
-// cursor must be in the cell edit control to get key events
-//
-void wxGridCornerLabelWindow::OnKeyDown( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridCornerLabelWindow::OnKeyUp( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-
-void wxGridCornerLabelWindow::OnChar( wxKeyEvent& event )
-{
-    if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
-        event.Skip();
-}
-

 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
 
 //////////////////////////////////////////////////////////////////////
 
 IMPLEMENT_DYNAMIC_CLASS( wxGridWindow, wxWindow )
 

-BEGIN_EVENT_TABLE( wxGridWindow, wxWindow )
+BEGIN_EVENT_TABLE( wxGridWindow, wxGridSubwindow )

     EVT_PAINT( wxGridWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )
     EVT_PAINT( wxGridWindow::OnPaint )
     EVT_MOUSEWHEEL( wxGridWindow::OnMouseWheel )
     EVT_MOUSE_EVENTS( wxGridWindow::OnMouseEvent )


@@ -3910,10 +3957,9 @@ wxGridWindow::wxGridWindow( wxGrid *parent,
                             wxWindowID id,
                             const wxPoint &pos,
                             const wxSize &size )
                             wxWindowID id,
                             const wxPoint &pos,
                             const wxSize &size )

-            : wxWindow(
-                parent, id, pos, size,
-                wxWANTS_CHARS | wxBORDER_NONE | wxCLIP_CHILDREN | wxFULL_REPAINT_ON_RESIZE,
-                wxT("grid window") )
+            : wxGridSubwindow(parent, id, pos, size,
+                              wxWANTS_CHARS | wxCLIP_CHILDREN,
+                              wxT("grid window") )

 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;
 {
     m_owner = parent;
     m_rowLabelWin = rowLblWin;


@@ -3983,6 +4029,29 @@ void wxGridWindow::OnEraseBackground( wxEraseEvent& WXUNUSED(event) )
 
 void wxGridWindow::OnFocus(wxFocusEvent& event)
 {
 
 void wxGridWindow::OnFocus(wxFocusEvent& event)
 {

+    // and if we have any selection, it has to be repainted, because it
+    // uses different colour when the grid is not focused:
+    if ( m_owner->IsSelection() )
+    {
+        Refresh();
+    }
+    else
+    {
+        // NB: Note that this code is in "else" branch only because the other
+        //     branch refreshes everything and so there's no point in calling
+        //     Refresh() again, *not* because it should only be done if
+        //     !IsSelection(). If the above code is ever optimized to refresh
+        //     only selected area, this needs to be moved out of the "else"
+        //     branch so that it's always executed.
+
+        // current cell cursor {dis,re}appears on focus change:
+        const wxGridCellCoords cursorCoords(m_owner->GetGridCursorRow(),
+                                            m_owner->GetGridCursorCol());
+        const wxRect cursor =
+            m_owner->BlockToDeviceRect(cursorCoords, cursorCoords);
+        Refresh(true, &cursor);
+    }
+

     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
         event.Skip();
 }
     if ( !m_owner->GetEventHandler()->ProcessEvent( event ) )
         event.Skip();
 }


@@ -4000,9 +4069,7 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
                            const wxArrayInt& BorderArray, int nMax,
                            bool clipToMinMax);
 
                            const wxArrayInt& BorderArray, int nMax,
                            bool clipToMinMax);
 

-#define internalXToCol(x) CoordToRowOrCol(x, m_defaultColWidth, \
-                                          m_minAcceptableColWidth, \
-                                          m_colRights, m_numCols, true)
+#define internalXToCol(x) XToCol(x, true)

 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
                                           m_minAcceptableRowHeight, \
                                           m_rowBottoms, m_numRows, true)
 #define internalYToRow(y) CoordToRowOrCol(y, m_defaultRowHeight, \
                                           m_minAcceptableRowHeight, \
                                           m_rowBottoms, m_numRows, true)


@@ -4072,12 +4139,7 @@ END_EVENT_TABLE()
 
 wxGrid::wxGrid()
 {
 
 wxGrid::wxGrid()
 {

-    // in order to make sure that a size event is not
-    // trigerred in a unfinished state
-    m_cornerLabelWin = NULL;
-    m_rowLabelWin = NULL;
-    m_colLabelWin = NULL;
-    m_gridWin = NULL;
+    InitVars();

 }
 
 wxGrid::wxGrid( wxWindow *parent,
 }
 
 wxGrid::wxGrid( wxWindow *parent,


@@ -4086,12 +4148,9 @@ wxGrid::wxGrid( wxWindow *parent,
                  const wxSize& size,
                  long style,
                  const wxString& name )
                  const wxSize& size,
                  long style,
                  const wxString& name )

-  : wxScrolledWindow( parent, id, pos, size, (style | wxWANTS_CHARS), name ),
-    m_colMinWidths(GRID_HASH_SIZE),
-    m_rowMinHeights(GRID_HASH_SIZE)

 {
 {

-    Create();
-    SetBestFittingSize(size);
+    InitVars();
+    Create(parent, id, pos, size, style, name);

 }
 
 bool wxGrid::Create(wxWindow *parent, wxWindowID id,
 }
 
 bool wxGrid::Create(wxWindow *parent, wxWindowID id,


@@ -4106,7 +4165,8 @@ bool wxGrid::Create(wxWindow *parent, wxWindowID id,
     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
 
     Create();
     m_rowMinHeights = wxLongToLongHashMap(GRID_HASH_SIZE);
 
     Create();

-    SetBestFittingSize(size);
+    SetInitialSize(size);
+    CalcDimensions();

 
     return true;
 }
 
     return true;
 }


@@ -4126,8 +4186,12 @@ wxGrid::~wxGrid()
              total ? (gs_nAttrCacheHits*100) / total : 0);
 #endif
 
              total ? (gs_nAttrCacheHits*100) / total : 0);
 #endif
 

-    if (m_ownTable)
+    // if we own the table, just delete it, otherwise at least don't leave it
+    // with dangling view pointer
+    if ( m_ownTable )

         delete m_table;
         delete m_table;

+    else if ( m_table && m_table->GetView() == this )
+        m_table->SetView(NULL);

 
     delete m_typeRegistry;
     delete m_selection;
 
     delete m_typeRegistry;
     delete m_selection;


@@ -4141,21 +4205,10 @@ wxGrid::~wxGrid()
 // be removed as well as the #else cases below.
 #define _USE_VISATTR 0
 
 // be removed as well as the #else cases below.
 #define _USE_VISATTR 0
 

-#if _USE_VISATTR
-#include "wx/listbox.h"
-#endif
-

 void wxGrid::Create()
 {
 void wxGrid::Create()
 {

-    // set to true by CreateGrid
-    m_created = false;
-

     // create the type registry
     m_typeRegistry = new wxGridTypeRegistry;
     // create the type registry
     m_typeRegistry = new wxGridTypeRegistry;

-    m_selection = NULL;
-
-    m_table = (wxGridTableBase *) NULL;
-    m_ownTable = false;

 
     m_cellEditCtrlEnabled = false;
 
 
     m_cellEditCtrlEnabled = false;
 


@@ -4281,24 +4334,33 @@ wxGrid::wxGridSelectionModes wxGrid::GetSelectionMode() const
 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
                        wxGrid::wxGridSelectionModes selmode )
 {
 bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
                        wxGrid::wxGridSelectionModes selmode )
 {

+    bool checkSelection = false;

     if ( m_created )
     {
         // stop all processing
         m_created = false;
 
     if ( m_created )
     {
         // stop all processing
         m_created = false;
 

-        if (m_ownTable)
+        if (m_table)

         {
         {

-            wxGridTableBase *t = m_table;
+            m_table->SetView(0);
+            if( m_ownTable )
+                delete m_table;

             m_table = NULL;
             m_table = NULL;

-            delete t;

         }
 
         delete m_selection;
         }
 
         delete m_selection;

-
-        m_table = NULL;

         m_selection = NULL;
         m_selection = NULL;

+
+        m_ownTable = false;

         m_numRows = 0;
         m_numCols = 0;
         m_numRows = 0;
         m_numCols = 0;

+        checkSelection = true;
+
+        // kill row and column size arrays
+        m_colWidths.Empty();
+        m_colRights.Empty();
+        m_rowHeights.Empty();
+        m_rowBottoms.Empty();

     }
 
     if (table)
     }
 
     if (table)


@@ -4310,7 +4372,28 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
         m_table->SetView( this );
         m_ownTable = takeOwnership;
         m_selection = new wxGridSelection( this, selmode );
         m_table->SetView( this );
         m_ownTable = takeOwnership;
         m_selection = new wxGridSelection( this, selmode );

-
+        if (checkSelection)
+        {
+            // If the newly set table is smaller than the
+            // original one current cell and selection regions
+            // might be invalid,
+            m_selectingKeyboard = wxGridNoCellCoords;
+            m_currentCellCoords =
+              wxGridCellCoords(wxMin(m_numRows, m_currentCellCoords.GetRow()),
+                               wxMin(m_numCols, m_currentCellCoords.GetCol()));
+            if (m_selectingTopLeft.GetRow() >= m_numRows ||
+                m_selectingTopLeft.GetCol() >= m_numCols)
+            {
+                m_selectingTopLeft = wxGridNoCellCoords;
+                m_selectingBottomRight = wxGridNoCellCoords;
+            }
+            else
+                m_selectingBottomRight =
+                  wxGridCellCoords(wxMin(m_numRows,
+                                         m_selectingBottomRight.GetRow()),
+                                   wxMin(m_numCols,
+                                         m_selectingBottomRight.GetCol()));
+        }

         CalcDimensions();
 
         m_created = true;
         CalcDimensions();
 
         m_created = true;


@@ -4319,6 +4402,24 @@ bool wxGrid::SetTable( wxGridTableBase *table, bool takeOwnership,
     return m_created;
 }
 
     return m_created;
 }
 

+void wxGrid::InitVars()
+{
+    m_created = false;
+
+    m_cornerLabelWin = NULL;
+    m_rowLabelWin = NULL;
+    m_colLabelWin = NULL;
+    m_gridWin = NULL;
+
+    m_table = NULL;
+    m_ownTable = false;
+
+    m_selection = NULL;
+    m_defaultCellAttr = NULL;
+    m_typeRegistry = NULL;
+    m_winCapture = NULL;
+}
+

 void wxGrid::Init()
 {
     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;
 void wxGrid::Init()
 {
     m_rowLabelWidth  = WXGRID_DEFAULT_ROW_LABEL_WIDTH;


@@ -4370,6 +4471,8 @@ void wxGrid::Init()
     m_cellHighlightPenWidth = 2;
     m_cellHighlightROPenWidth = 1;
 
     m_cellHighlightPenWidth = 2;
     m_cellHighlightROPenWidth = 1;
 

+    m_canDragColMove = false;
+

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


@@ -4380,6 +4483,7 @@ void wxGrid::Init()
     m_dragRowOrCol = -1;
     m_isDragging = false;
     m_startDragPos = wxDefaultPosition;
     m_dragRowOrCol = -1;
     m_isDragging = false;
     m_startDragPos = wxDefaultPosition;

+    m_nativeColumnLabels = false;

 
     m_waitForSlowClick = false;
 
 
     m_waitForSlowClick = false;
 


@@ -4388,8 +4492,8 @@ void wxGrid::Init()
 
     m_currentCellCoords = wxGridNoCellCoords;
 
 
     m_currentCellCoords = wxGridNoCellCoords;
 

-    m_selectingTopLeft = wxGridNoCellCoords;
-    m_selectingBottomRight = wxGridNoCellCoords;
+    ClearSelection();
+

     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 
     m_selectionBackground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHT);
     m_selectionForeground = wxSystemSettings::GetColour(wxSYS_COLOUR_HIGHLIGHTTEXT);
 


@@ -4411,8 +4515,9 @@ void wxGrid::Init()
 // default widths/heights are used for all rows/columns, we may not use these
 // arrays at all
 //
 // default widths/heights are used for all rows/columns, we may not use these
 // arrays at all
 //

-// with some extra code, it should be possible to only store the
-// widths/heights different from default ones but this will be done later...
+// with some extra code, it should be possible to only store the widths/heights
+// different from default ones (resulting in space savings for huge grids) but
+// this is not done currently

 // ----------------------------------------------------------------------------
 
 void wxGrid::InitRowHeights()
 // ----------------------------------------------------------------------------
 
 void wxGrid::InitRowHeights()


@@ -4423,10 +4528,9 @@ void wxGrid::InitRowHeights()
     m_rowHeights.Alloc( m_numRows );
     m_rowBottoms.Alloc( m_numRows );
 
     m_rowHeights.Alloc( m_numRows );
     m_rowBottoms.Alloc( m_numRows );
 

-    int rowBottom = 0;
-

     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
 
     m_rowHeights.Add( m_defaultRowHeight, m_numRows );
 

+    int rowBottom = 0;

     for ( int i = 0; i < m_numRows; i++ )
     {
         rowBottom += m_defaultRowHeight;
     for ( int i = 0; i < m_numRows; i++ )
     {
         rowBottom += m_defaultRowHeight;


@@ -4441,13 +4545,13 @@ void wxGrid::InitColWidths()
 
     m_colWidths.Alloc( m_numCols );
     m_colRights.Alloc( m_numCols );
 
     m_colWidths.Alloc( m_numCols );
     m_colRights.Alloc( m_numCols );

-    int colRight = 0;

 
     m_colWidths.Add( m_defaultColWidth, m_numCols );
 
 
     m_colWidths.Add( m_defaultColWidth, m_numCols );
 

+    int colRight = 0;

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

-        colRight += m_defaultColWidth;
+        colRight = ( GetColPos( i ) + 1 ) * m_defaultColWidth;

         m_colRights.Add( colRight );
     }
 }
         m_colRights.Add( colRight );
     }
 }


@@ -4459,13 +4563,13 @@ int wxGrid::GetColWidth(int col) const
 
 int wxGrid::GetColLeft(int col) const
 {
 
 int wxGrid::GetColLeft(int col) const
 {

-    return m_colRights.IsEmpty() ? col * m_defaultColWidth
+    return m_colRights.IsEmpty() ? GetColPos( col ) * m_defaultColWidth

                                  : m_colRights[col] - m_colWidths[col];
 }
 
 int wxGrid::GetColRight(int col) const
 {
                                  : m_colRights[col] - m_colWidths[col];
 }
 
 int wxGrid::GetColRight(int col) const
 {

-    return m_colRights.IsEmpty() ? (col + 1) * m_defaultColWidth
+    return m_colRights.IsEmpty() ? (GetColPos( col ) + 1) * m_defaultColWidth

                                  : m_colRights[col];
 }
 
                                  : m_colRights[col];
 }
 


@@ -4488,17 +4592,12 @@ int wxGrid::GetRowBottom(int row) const
 
 void wxGrid::CalcDimensions()
 {
 
 void wxGrid::CalcDimensions()
 {

-    int cw, ch;
-    GetClientSize( &cw, &ch );
+    // compute the size of the scrollable area
+    int w = m_numCols > 0 ? GetColRight(GetColAt(m_numCols - 1)) : 0;
+    int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;

 
 

-    if ( m_rowLabelWin->IsShown() )
-        cw -= m_rowLabelWidth;
-    if ( m_colLabelWin->IsShown() )
-        ch -= m_colLabelHeight;
-
-    // grid total size
-    int w = m_numCols > 0 ? GetColRight(m_numCols - 1) + m_extraWidth + 1 : 0;
-    int h = m_numRows > 0 ? GetRowBottom(m_numRows - 1) + m_extraHeight + 1 : 0;
+    w += m_extraWidth;
+    h += m_extraHeight;

 
     // take into account editor if shown
     if ( IsCellEditControlShown() )
 
     // take into account editor if shown
     if ( IsCellEditControlShown() )


@@ -4535,7 +4634,8 @@ void wxGrid::CalcDimensions()
 
     // do set scrollbar parameters
     SetScrollbars( m_scrollLineX, m_scrollLineY,
 
     // do set scrollbar parameters
     SetScrollbars( m_scrollLineX, m_scrollLineY,

-                   GetScrollX(w), GetScrollY(h), x, y,
+                   GetScrollX(w), GetScrollY(h),
+                   x, y,

                    GetBatchCount() != 0);
 
     // if our OnSize() hadn't been called (it would if we have scrollbars), we
                    GetBatchCount() != 0);
 
     // if our OnSize() hadn't been called (it would if we have scrollbars), we


@@ -4553,17 +4653,53 @@ void wxGrid::CalcWindowSizes()
     int cw, ch;
     GetClientSize( &cw, &ch );
 
     int cw, ch;
     GetClientSize( &cw, &ch );
 

+    // this block of code tries to work around the following problem: the grid
+    // could have been just resized to have enough space to show the full grid
+    // window contents without the scrollbars, but its client size could be
+    // not big enough because the grid has the scrollbars right now and so the
+    // scrollbars would remain even though we don't need them any more
+    //
+    // to prevent this from happening, check if we have enough space for
+    // everything without the scrollbars and explicitly disable them then
+    wxSize size = GetSize() - GetWindowBorderSize();
+    if ( size != wxSize(cw, ch) )
+    {
+        // check if we have enough space for grid window after accounting for
+        // the fixed size elements
+        size.x -= m_rowLabelWidth;
+        size.y -= m_colLabelHeight;
+
+        const wxSize vsize = m_gridWin->GetVirtualSize();
+
+        if ( size.x >= vsize.x && size.y >= vsize.y )
+        {
+            // yes, we do, so remove the scrollbars and use the new client size
+            // (which should be the same as full window size - borders now)
+            SetScrollbars(0, 0, 0, 0);
+            GetClientSize(&cw, &ch);
+        }
+    }
+
+    // the grid may be too small to have enough space for the labels yet, don't
+    // size the windows to negative sizes in this case
+    int gw = cw - m_rowLabelWidth;
+    int gh = ch - m_colLabelHeight;
+    if (gw < 0)
+        gw = 0;
+    if (gh < 0)
+        gh = 0;
+

     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
 
     if ( m_colLabelWin && m_colLabelWin->IsShown() )
     if ( m_cornerLabelWin && m_cornerLabelWin->IsShown() )
         m_cornerLabelWin->SetSize( 0, 0, m_rowLabelWidth, m_colLabelHeight );
 
     if ( m_colLabelWin && m_colLabelWin->IsShown() )

-        m_colLabelWin->SetSize( m_rowLabelWidth, 0, cw - m_rowLabelWidth, m_colLabelHeight );
+        m_colLabelWin->SetSize( m_rowLabelWidth, 0, gw, m_colLabelHeight );

 
     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )
 
     if ( m_rowLabelWin && m_rowLabelWin->IsShown() )

-        m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, ch - m_colLabelHeight );
+        m_rowLabelWin->SetSize( 0, m_colLabelHeight, m_rowLabelWidth, gh );

 
     if ( m_gridWin && m_gridWin->IsShown() )
 
     if ( m_gridWin && m_gridWin->IsShown() )

-        m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, cw - m_rowLabelWidth, ch - m_colLabelHeight );
+        m_gridWin->SetSize( m_rowLabelWidth, m_colLabelHeight, gw, gh );

 }
 
 // this is called when the grid table sends a message
 }
 
 // this is called when the grid table sends a message


@@ -4749,6 +4885,25 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             int numCols = msg.GetCommandInt2();
             m_numCols += numCols;
 
             int numCols = msg.GetCommandInt2();
             m_numCols += numCols;
 

+            if ( !m_colAt.IsEmpty() )
+            {
+                //Shift the column IDs
+                int i;
+                for ( i = 0; i < m_numCols - numCols; i++ )
+                {
+                    if ( m_colAt[i] >= (int)pos )
+                        m_colAt[i] += numCols;
+                }
+
+                m_colAt.Insert( pos, pos, numCols );
+
+                //Set the new columns' positions
+                for ( i = pos + 1; i < (int)pos + numCols; i++ )
+                {
+                    m_colAt[i] = i;
+                }
+            }
+

             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );
             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.Insert( m_defaultColWidth, pos, numCols );


@@ -4756,10 +4911,13 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
                 int right = 0;
                 if ( pos > 0 )
 
                 int right = 0;
                 if ( pos > 0 )

-                    right = m_colRights[pos - 1];
+                    right = m_colRights[GetColAt( pos - 1 )];

 
 

-                for ( i = pos; i < m_numCols; i++ )
+                int colPos;
+                for ( colPos = pos; colPos < m_numCols; colPos++ )

                 {
                 {

+                    i = GetColAt( colPos );
+

                     right += m_colWidths[i];
                     m_colRights[i] = right;
                 }
                     right += m_colWidths[i];
                     m_colRights[i] = right;
                 }


@@ -4792,6 +4950,19 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             int numCols = msg.GetCommandInt();
             int oldNumCols = m_numCols;
             m_numCols += numCols;
             int numCols = msg.GetCommandInt();
             int oldNumCols = m_numCols;
             m_numCols += numCols;

+
+            if ( !m_colAt.IsEmpty() )
+            {
+                m_colAt.Add( 0, numCols );
+
+                //Set the new columns' positions
+                int i;
+                for ( i = oldNumCols; i < m_numCols; i++ )
+                {
+                    m_colAt[i] = i;
+                }
+            }
+

             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.Add( m_defaultColWidth, numCols );
             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.Add( m_defaultColWidth, numCols );


@@ -4799,10 +4970,13 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
 
                 int right = 0;
                 if ( oldNumCols > 0 )
 
                 int right = 0;
                 if ( oldNumCols > 0 )

-                    right = m_colRights[oldNumCols - 1];
+                    right = m_colRights[GetColAt( oldNumCols - 1 )];

 
 

-                for ( i = oldNumCols; i < m_numCols; i++ )
+                int colPos;
+                for ( colPos = oldNumCols; colPos < m_numCols; colPos++ )

                 {
                 {

+                    i = GetColAt( colPos );
+

                     right += m_colWidths[i];
                     m_colRights[i] = right;
                 }
                     right += m_colWidths[i];
                     m_colRights[i] = right;
                 }


@@ -4830,14 +5004,32 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
             int numCols = msg.GetCommandInt2();
             m_numCols -= numCols;
 
             int numCols = msg.GetCommandInt2();
             m_numCols -= numCols;
 

+            if ( !m_colAt.IsEmpty() )
+            {
+                int colID = GetColAt( pos );
+
+                m_colAt.RemoveAt( pos, numCols );
+
+                //Shift the column IDs
+                int colPos;
+                for ( colPos = 0; colPos < m_numCols; colPos++ )
+                {
+                    if ( m_colAt[colPos] > colID )
+                        m_colAt[colPos] -= numCols;
+                }
+            }
+

             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.RemoveAt( pos, numCols );
                 m_colRights.RemoveAt( pos, numCols );
 
                 int w = 0;
             if ( !m_colWidths.IsEmpty() )
             {
                 m_colWidths.RemoveAt( pos, numCols );
                 m_colRights.RemoveAt( pos, numCols );
 
                 int w = 0;

-                for ( i = 0; i < m_numCols; i++ )
+                int colPos;
+                for ( colPos = 0; colPos < m_numCols; colPos++ )

                 {
                 {

+                    i = GetColAt( colPos );
+

                     w += m_colWidths[i];
                     m_colRights[i] = w;
                 }
                     w += m_colWidths[i];
                     m_colRights[i] = w;
                 }


@@ -4888,7 +5080,7 @@ bool wxGrid::Redimension( wxGridTableMessage& msg )
     return result;
 }
 
     return result;
 }
 

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

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


@@ -4939,7 +5131,7 @@ wxArrayInt wxGrid::CalcRowLabelsExposed( const wxRegion& reg )
     return rowlabels;
 }
 
     return rowlabels;
 }
 

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

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


@@ -4973,8 +5165,11 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
         // find the cells within these bounds
         //
         int col;
         // find the cells within these bounds
         //
         int col;

-        for ( col = internalXToCol(left); col < m_numCols; col++ )
+        int colPos;
+        for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )

         {
         {

+            col = GetColAt( colPos );
+

             if ( GetColRight(col) < left )
                 continue;
 
             if ( GetColRight(col) < left )
                 continue;
 


@@ -4990,7 +5185,7 @@ wxArrayInt wxGrid::CalcColLabelsExposed( const wxRegion& reg )
     return colLabels;
 }
 
     return colLabels;
 }
 

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

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


@@ -5032,8 +5227,11 @@ wxGridCellCoordsArray wxGrid::CalcCellsExposed( const wxRegion& reg )
             if ( GetRowTop(row) > bottom )
                 break;
 
             if ( GetRowTop(row) > bottom )
                 break;
 

-            for ( col = internalXToCol(left); col < m_numCols; col++ )
+            int colPos;
+            for ( colPos = GetColPos( internalXToCol(left) ); colPos < m_numCols; colPos++ )

             {
             {

+                col = GetColAt( colPos );
+

                 if ( GetColRight(col) <= left )
                     continue;
 
                 if ( GetColRight(col) <= left )
                     continue;
 


@@ -5281,6 +5479,9 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
         {
             m_isDragging = true;
             m_colLabelWin->CaptureMouse();
         {
             m_isDragging = true;
             m_colLabelWin->CaptureMouse();

+
+            if ( m_cursorMode == WXGRID_CURSOR_MOVE_COL )
+                m_dragRowOrCol = XToCol( x );

         }
 
         if ( event.LeftIsDown() )
         }
 
         if ( event.LeftIsDown() )


@@ -5324,6 +5525,63 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
                 }
                 break;
 
                 }
                 break;
 

+                case WXGRID_CURSOR_MOVE_COL:
+                {
+                    if ( x < 0 )
+                        m_moveToCol = GetColAt( 0 );
+                    else
+                        m_moveToCol = XToCol( x );
+
+                    int markerX;
+
+                    if ( m_moveToCol < 0 )
+                        markerX = GetColRight( GetColAt( m_numCols - 1 ) );
+                    else
+                        markerX = GetColLeft( m_moveToCol );
+
+                    if ( markerX != m_dragLastPos )
+                    {
+                        wxClientDC dc( m_colLabelWin );
+
+                        int cw, ch;
+                        m_colLabelWin->GetClientSize( &cw, &ch );
+
+                        markerX++;
+
+                        //Clean up the last indicator
+                        if ( m_dragLastPos >= 0 )
+                        {
+                            wxPen pen( m_colLabelWin->GetBackgroundColour(), 2 );
+                            dc.SetPen(pen);
+                            dc.DrawLine( m_dragLastPos + 1, 0, m_dragLastPos + 1, ch );
+                            dc.SetPen(wxNullPen);
+
+                            if ( XToCol( m_dragLastPos ) != -1 )
+                                DrawColLabel( dc, XToCol( m_dragLastPos ) );
+                        }
+
+                        //Moving to the same place? Don't draw a marker
+                        if ( (m_moveToCol == m_dragRowOrCol)
+                          || (GetColPos( m_moveToCol ) == GetColPos( m_dragRowOrCol ) + 1)
+                          || (m_moveToCol < 0 && m_dragRowOrCol == GetColAt( m_numCols - 1 )))
+                        {
+                            m_dragLastPos = -1;
+                            return;
+                        }
+
+                        //Draw the marker
+                        wxPen pen( *wxBLUE, 2 );
+                        dc.SetPen(pen);
+
+                        dc.DrawLine( markerX, 0, markerX, ch );
+
+                        dc.SetPen(wxNullPen);
+
+                        m_dragLastPos = markerX - 1;
+                    }
+                }
+                break;
+

                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
                 default:
                 // default label to suppress warnings about "enumeration value
                 // 'xxx' not handled in switch
                 default:


@@ -5364,31 +5622,46 @@ 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 ) )
             {

-                if ( !event.ShiftDown() && !event.CmdDown() )
-                    ClearSelection();
-                if ( m_selection )
+                if ( m_canDragColMove )

                 {
                 {

-                    if ( event.ShiftDown() )
-                    {
-                        m_selection->SelectBlock( 0,
-                                                  m_currentCellCoords.GetCol(),
-                                                  GetNumberRows() - 1, col,
-                                                  event.ControlDown(),
-                                                  event.ShiftDown(),
-                                                  event.AltDown(),
-                                                  event.MetaDown() );
-                    }
-                    else
+                    //Show button as pressed
+                    wxClientDC dc( m_colLabelWin );
+                    int colLeft = GetColLeft( col );
+                    int colRight = GetColRight( col ) - 1;
+                    dc.SetPen( wxPen( m_colLabelWin->GetBackgroundColour(), 1 ) );
+                    dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight-1 );
+                    dc.DrawLine( colLeft, 1, colRight, 1 );
+
+                    ChangeCursorMode(WXGRID_CURSOR_MOVE_COL, m_colLabelWin);
+                }
+                else
+                {
+                    if ( !event.ShiftDown() && !event.CmdDown() )
+                        ClearSelection();
+                    if ( m_selection )

                     {
                     {

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

             }
         }
         else
             }
         }
         else


@@ -5428,14 +5701,29 @@ void wxGrid::ProcessColLabelMouseEvent( wxMouseEvent& event )
     //
     else if ( event.LeftUp() )
     {
     //
     else if ( event.LeftUp() )
     {

-        if ( m_cursorMode == WXGRID_CURSOR_RESIZE_COL )
+        switch ( m_cursorMode )

         {
         {

-            DoEndDragResizeCol();
+            case WXGRID_CURSOR_RESIZE_COL:
+                DoEndDragResizeCol();

 
 

-            // Note: we are ending the event *after* doing
-            // default processing in this case
-            //
-            SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
+                // Note: we are ending the event *after* doing
+                // default processing in this case
+                //
+                SendEvent( wxEVT_GRID_COL_SIZE, -1, m_dragRowOrCol, event );
+                break;
+
+            case WXGRID_CURSOR_MOVE_COL:
+                DoEndDragMoveCol();
+
+                SendEvent( wxEVT_GRID_COL_MOVE, -1, m_dragRowOrCol, event );
+                break;
+
+            case WXGRID_CURSOR_SELECT_COL:
+            case WXGRID_CURSOR_SELECT_CELL:
+            case WXGRID_CURSOR_RESIZE_ROW:
+            case WXGRID_CURSOR_SELECT_ROW:
+                // nothing to do (?)
+                break;

         }
 
         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);
         }
 
         ChangeCursorMode(WXGRID_CURSOR_SELECT_CELL, m_colLabelWin);


@@ -5519,6 +5807,21 @@ void wxGrid::ProcessCornerLabelMouseEvent( wxMouseEvent& event )
     }
 }
 
     }
 }
 

+void wxGrid::CancelMouseCapture()
+{
+    // cancel operation currently in progress, whatever it is
+    if ( m_winCapture )
+    {
+        m_isDragging = false;
+        m_cursorMode = WXGRID_CURSOR_SELECT_CELL;
+        m_winCapture->SetCursor( *wxSTANDARD_CURSOR );
+        m_winCapture = NULL;
+
+        // remove traces of whatever we drew on screen
+        Refresh();
+    }
+}
+

 void wxGrid::ChangeCursorMode(CursorMode mode,
                               wxWindow *win,
                               bool captureMouse)
 void wxGrid::ChangeCursorMode(CursorMode mode,
                               wxWindow *win,
                               bool captureMouse)


@@ -5530,7 +5833,8 @@ void wxGrid::ChangeCursorMode(CursorMode mode,
         _T("RESIZE_ROW"),
         _T("RESIZE_COL"),
         _T("SELECT_ROW"),
         _T("RESIZE_ROW"),
         _T("RESIZE_COL"),
         _T("SELECT_ROW"),

-        _T("SELECT_COL")
+        _T("SELECT_COL"),
+        _T("MOVE_COL"),

     };
 
     wxLogTrace(_T("grid"),
     };
 
     wxLogTrace(_T("grid"),


@@ -5571,6 +5875,10 @@ void wxGrid::ChangeCursorMode(CursorMode mode,
             win->SetCursor( m_colResizeCursor );
             break;
 
             win->SetCursor( m_colResizeCursor );
             break;
 

+        case WXGRID_CURSOR_MOVE_COL:
+            win->SetCursor( wxCursor(wxCURSOR_HAND) );
+            break;
+

         default:
             win->SetCursor( *wxSTANDARD_CURSOR );
             break;
         default:
             win->SetCursor( *wxSTANDARD_CURSOR );
             break;


@@ -5633,13 +5941,6 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                 SaveEditControlValue();
             }
 
                 SaveEditControlValue();
             }
 

-            // Have we captured the mouse yet?
-            if (! m_winCapture)
-            {
-                m_winCapture = m_gridWin;
-                m_winCapture->CaptureMouse();
-            }
-

             if ( coords != wxGridNoCellCoords )
             {
                 if ( event.CmdDown() )
             if ( coords != wxGridNoCellCoords )
             {
                 if ( event.CmdDown() )


@@ -5659,6 +5960,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                                    coords.GetRow(),
                                    coords.GetCol(),
                                    event );
                                    coords.GetRow(),
                                    coords.GetCol(),
                                    event );

+                        return;

                     }
                 }
                 else
                     }
                 }
                 else


@@ -5680,6 +5982,14 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
                     // scrolling is way to fast, at least on MSW - also on GTK.
                 }
             }
                     // scrolling is way to fast, at least on MSW - also on GTK.
                 }
             }

+            // Have we captured the mouse yet?
+            if (! m_winCapture)
+            {
+                m_winCapture = m_gridWin;
+                m_winCapture->CaptureMouse();
+            }
+
+

         }
         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
         {
         }
         else if ( m_cursorMode == WXGRID_CURSOR_RESIZE_ROW )
         {


@@ -5950,7 +6260,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
                 if ( CanDragRowSize() && CanDragGridSize() )
             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
                 if ( CanDragRowSize() && CanDragGridSize() )

-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_ROW, NULL, false);

             }
         }
         else if ( dragCol >= 0 )
             }
         }
         else if ( dragCol >= 0 )


@@ -5960,7 +6270,7 @@ void wxGrid::ProcessGridCellMouseEvent( wxMouseEvent& event )
             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
                 if ( CanDragColSize() && CanDragGridSize() )
             if ( m_cursorMode == WXGRID_CURSOR_SELECT_CELL )
             {
                 if ( CanDragColSize() && CanDragGridSize() )

-                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL);
+                    ChangeCursorMode(WXGRID_CURSOR_RESIZE_COL, NULL, false);

             }
         }
         else // Neither on a row or col edge
             }
         }
         else // Neither on a row or col edge


@@ -6093,6 +6403,112 @@ void wxGrid::DoEndDragResizeCol()
     }
 }
 
     }
 }
 

+void wxGrid::DoEndDragMoveCol()
+{
+    //The user clicked on the column but didn't actually drag
+    if ( m_dragLastPos < 0 )
+    {
+        m_colLabelWin->Refresh();   //Do this to "unpress" the column
+        return;
+    }
+
+    int newPos;
+    if ( m_moveToCol == -1 )
+        newPos = m_numCols - 1;
+    else
+    {
+        newPos = GetColPos( m_moveToCol );
+        if ( newPos > GetColPos( m_dragRowOrCol ) )
+            newPos--;
+    }
+
+    SetColPos( m_dragRowOrCol, newPos );
+}
+
+void wxGrid::SetColPos( int colID, int newPos )
+{
+    if ( m_colAt.IsEmpty() )
+    {
+        m_colAt.Alloc( m_numCols );
+
+        int i;
+        for ( i = 0; i < m_numCols; i++ )
+        {
+            m_colAt.Add( i );
+        }
+    }
+
+    int oldPos = GetColPos( colID );
+
+    //Reshuffle the m_colAt array
+    if ( newPos > oldPos )
+    {
+        int i;
+        for ( i = oldPos; i < newPos; i++ )
+        {
+            m_colAt[i] = m_colAt[i+1];
+        }
+    }
+    else
+    {
+        int i;
+        for ( i = oldPos; i > newPos; i-- )
+        {
+            m_colAt[i] = m_colAt[i-1];
+        }
+    }
+
+    m_colAt[newPos] = colID;
+
+    //Recalculate the column rights
+    if ( !m_colWidths.IsEmpty() )
+    {
+        int colRight = 0;
+        int colPos;
+        for ( colPos = 0; colPos < m_numCols; colPos++ )
+        {
+            int colID = GetColAt( colPos );
+
+            colRight += m_colWidths[colID];
+            m_colRights[colID] = colRight;
+        }
+    }
+
+    m_colLabelWin->Refresh();
+    m_gridWin->Refresh();
+}
+
+
+
+void wxGrid::EnableDragColMove( bool enable )
+{
+    if ( m_canDragColMove == enable )
+        return;
+
+    m_canDragColMove = enable;
+
+    if ( !m_canDragColMove )
+    {
+        m_colAt.Clear();
+
+        //Recalculate the column rights
+        if ( !m_colWidths.IsEmpty() )
+        {
+            int colRight = 0;
+            int colPos;
+            for ( colPos = 0; colPos < m_numCols; colPos++ )
+            {
+                colRight += m_colWidths[colPos];
+                m_colRights[colPos] = colRight;
+            }
+        }
+
+        m_colLabelWin->Refresh();
+        m_gridWin->Refresh();
+    }
+}
+
+

 //
 // ------ interaction with data model
 //
 //
 // ------ interaction with data model
 //


@@ -6325,6 +6741,32 @@ int wxGrid::SendEvent( const wxEventType type,
        claimed = GetEventHandler()->ProcessEvent(gridEvt);
        vetoed = !gridEvt.IsAllowed();
    }
        claimed = GetEventHandler()->ProcessEvent(gridEvt);
        vetoed = !gridEvt.IsAllowed();
    }

+   else if ( type == wxEVT_GRID_LABEL_LEFT_CLICK ||
+             type == wxEVT_GRID_LABEL_LEFT_DCLICK ||
+             type == wxEVT_GRID_LABEL_RIGHT_CLICK ||
+             type == wxEVT_GRID_LABEL_RIGHT_DCLICK )
+   {
+       wxPoint pos = mouseEv.GetPosition();
+
+       if ( mouseEv.GetEventObject() == GetGridRowLabelWindow() )
+           pos.y += GetColLabelSize();
+       if ( mouseEv.GetEventObject() == GetGridColLabelWindow() )
+           pos.x += GetRowLabelSize();
+
+       wxGridEvent gridEvt( GetId(),
+               type,
+               this,
+               row, col,
+               pos.x,
+               pos.y,
+               false,
+               mouseEv.ControlDown(),
+               mouseEv.ShiftDown(),
+               mouseEv.AltDown(),
+               mouseEv.MetaDown() );
+       claimed = GetEventHandler()->ProcessEvent(gridEvt);
+       vetoed = !gridEvt.IsAllowed();
+   }

    else
    {
        wxGridEvent gridEvt( GetId(),
    else
    {
        wxGridEvent gridEvt( GetId(),


@@ -6391,7 +6833,7 @@ void wxGrid::Refresh(bool eraseb, const wxRect* rect)
 {
     // Don't do anything if between Begin/EndBatch...
     // EndBatch() will do all this on the last nested one anyway.
 {
     // Don't do anything if between Begin/EndBatch...
     // EndBatch() will do all this on the last nested one anyway.

-    if (! GetBatchCount())
+    if ( m_created && !GetBatchCount() )

     {
         // Refresh to get correct scrolled position:
         wxScrolledWindow::Refresh(eraseb, rect);
     {
         // Refresh to get correct scrolled position:
         wxScrolledWindow::Refresh(eraseb, rect);


@@ -6476,14 +6918,13 @@ void wxGrid::Refresh(bool eraseb, const wxRect* rect)
     }
 }
 
     }
 }
 

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

 {
 {

-    // position the child windows
-    CalcWindowSizes();
-
-    // don't call CalcDimensions() from here, the base class handles the size
-    // changes itself
-    event.Skip();
+    if (m_targetWindow != this) // check whether initialisation has been done
+    {
+        // update our children window positions and scrollbars
+        CalcDimensions();
+    }

 }
 
 void wxGrid::OnKeyDown( wxKeyEvent& event )
 }
 
 void wxGrid::OnKeyDown( wxKeyEvent& event )


@@ -6504,6 +6945,14 @@ void wxGrid::OnKeyDown( wxKeyEvent& event )
 
     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
     {
 
     if ( !parent->GetEventHandler()->ProcessEvent( keyEvt ) )
     {

+        if (GetLayoutDirection() == wxLayout_RightToLeft)
+        {
+            if (event.GetKeyCode() == WXK_RIGHT)
+                event.m_keyCode = WXK_LEFT;
+            else if (event.GetKeyCode() == WXK_LEFT)
+                event.m_keyCode = WXK_RIGHT;
+        }
+

         // try local handlers
         switch ( event.GetKeyCode() )
         {
         // try local handlers
         switch ( event.GetKeyCode() )
         {


@@ -6731,8 +7180,10 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
         return;
     }
 
         return;
     }
 

+#if !defined(__WXMAC__)

     wxClientDC dc( m_gridWin );
     PrepareDC( dc );
     wxClientDC dc( m_gridWin );
     PrepareDC( dc );

+#endif

 
     if ( m_currentCellCoords != wxGridNoCellCoords )
     {
 
     if ( m_currentCellCoords != wxGridNoCellCoords )
     {


@@ -6755,15 +7206,21 @@ void wxGrid::SetCurrentCell( const wxGridCellCoords& coords )
             // Otherwise refresh redraws the highlight!
             m_currentCellCoords = coords;
 
             // Otherwise refresh redraws the highlight!
             m_currentCellCoords = coords;
 

+#if defined(__WXMAC__)
+            m_gridWin->Refresh(true /*, & r */);
+#else

             DrawGridCellArea( dc, cells );
             DrawAllGridLines( dc, r );
             DrawGridCellArea( dc, cells );
             DrawAllGridLines( dc, r );

+#endif

         }
     }
 
     m_currentCellCoords = coords;
 
     wxGridCellAttr *attr = GetCellAttr( coords );
         }
     }
 
     m_currentCellCoords = coords;
 
     wxGridCellAttr *attr = GetCellAttr( coords );

+#if !defined(__WXMAC__)

     DrawCellHighlight( dc, attr );
     DrawCellHighlight( dc, attr );

+#endif

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


@@ -7088,7 +7545,7 @@ void wxGrid::DrawGridSpace( wxDC& dc )
   int right, bottom;
   CalcUnscrolledPosition( cw, ch, &right, &bottom );
 
   int right, bottom;
   CalcUnscrolledPosition( cw, ch, &right, &bottom );
 

-  int rightCol = m_numCols > 0 ? GetColRight(m_numCols - 1) : 0;
+  int rightCol = m_numCols > 0 ? GetColRight(GetColAt( m_numCols - 1 )) : 0;

   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
 
   if ( right > rightCol || bottom > bottomRow )
   int bottomRow = m_numRows > 0 ? GetRowBottom(m_numRows - 1) : 0;
 
   if ( right > rightCol || bottom > bottomRow )


@@ -7096,7 +7553,7 @@ void wxGrid::DrawGridSpace( wxDC& dc )
       int left, top;
       CalcUnscrolledPosition( 0, 0, &left, &top );
 
       int left, top;
       CalcUnscrolledPosition( 0, 0, &left, &top );
 

-      dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxSOLID) );
+      dc.SetBrush( wxBrush(GetDefaultCellBackgroundColour(), wxBRUSHSTYLE_SOLID) );

       dc.SetPen( *wxTRANSPARENT_PEN );
 
       if ( right > rightCol )
       dc.SetPen( *wxTRANSPARENT_PEN );
 
       if ( right > rightCol )


@@ -7139,7 +7596,7 @@ void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
         // edit control is erased by this code after being rendered.
         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
         // implicitly, causing this out-of order render.
         // edit control is erased by this code after being rendered.
         // On wxMac (QD build only), the cell editor is a wxTextCntl and is rendered
         // implicitly, causing this out-of order render.

-#if !defined(__WXMAC__) || wxMAC_USE_CORE_GRAPHICS
+#if !defined(__WXMAC__)

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


@@ -7158,6 +7615,10 @@ void wxGrid::DrawCell( wxDC& dc, const wxGridCellCoords& coords )
 
 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
 {
 
 void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
 {

+    // don't show highlight when the grid doesn't have focus
+    if ( !HasFocus() )
+        return;
+

     int row = m_currentCellCoords.GetRow();
     int col = m_currentCellCoords.GetCol();
 
     int row = m_currentCellCoords.GetRow();
     int col = m_currentCellCoords.GetCol();
 


@@ -7187,7 +7648,7 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
         // Now draw the rectangle
         // use the cellHighlightColour if the cell is inside a selection, this
         // will ensure the cell is always visible.
         // Now draw the rectangle
         // use the cellHighlightColour if the cell is inside a selection, this
         // will ensure the cell is always visible.

-        dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxSOLID));
+        dc.SetPen(wxPen(IsInSelection(row,col) ? m_selectionForeground : m_cellHighlightColour, penWidth, wxPENSTYLE_SOLID));

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


@@ -7214,6 +7675,21 @@ void wxGrid::DrawCellHighlight( wxDC& dc, const wxGridCellAttr *attr )
 #endif
 }
 
 #endif
 }
 

+wxPen wxGrid::GetDefaultGridLinePen()
+{
+    return wxPen(GetGridLineColour(), 1, wxPENSTYLE_SOLID);
+}
+
+wxPen wxGrid::GetRowGridLinePen(int WXUNUSED(row))
+{
+    return GetDefaultGridLinePen();
+}
+
+wxPen wxGrid::GetColGridLinePen(int WXUNUSED(col))
+{
+    return GetDefaultGridLinePen();
+}
+

 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
 {
     int row = coords.GetRow();
 void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
 {
     int row = coords.GetRow();


@@ -7221,15 +7697,16 @@ void wxGrid::DrawCellBorder( wxDC& dc, const wxGridCellCoords& coords )
     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
         return;
 
     if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
         return;
 

-    dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );

 
     wxRect rect = CellToRect( row, col );
 
     // right hand border
 
     wxRect rect = CellToRect( row, col );
 
     // right hand border

+    dc.SetPen( GetColGridLinePen(col) );

     dc.DrawLine( rect.x + rect.width, rect.y,
                  rect.x + rect.width, rect.y + rect.height + 1 );
 
     // bottom border
     dc.DrawLine( rect.x + rect.width, rect.y,
                  rect.x + rect.width, rect.y + rect.height + 1 );
 
     // bottom border

+    dc.SetPen( GetRowGridLinePen(row) );

     dc.DrawLine( rect.x, rect.y + rect.height,
                  rect.x + rect.width, rect.y + rect.height);
 }
     dc.DrawLine( rect.x, rect.y + rect.height,
                  rect.x + rect.width, rect.y + rect.height);
 }


@@ -7309,26 +7786,27 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
 
     // avoid drawing grid lines past the last row and col
     //
 
     // avoid drawing grid lines past the last row and col
     //

-    right = wxMin( right, GetColRight(m_numCols - 1) );
+    right = wxMin( right, GetColRight(GetColAt( m_numCols - 1 )) );

     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
 
     // no gridlines inside multicells, clip them out
     bottom = wxMin( bottom, GetRowBottom(m_numRows - 1) );
 
     // no gridlines inside multicells, clip them out

-    int leftCol = internalXToCol(left);
+    int leftCol = GetColPos( internalXToCol(left) );

     int topRow = internalYToRow(top);
     int topRow = internalYToRow(top);

-    int rightCol = internalXToCol(right);
+    int rightCol = GetColPos( internalXToCol(right) );

     int bottomRow = internalYToRow(bottom);
 
     int bottomRow = internalYToRow(bottom);
 

-#ifndef __WXMAC__
-    // CS: I don't know why suddenly unscrolled coordinates are used for clipping

     wxRegion clippedcells(0, 0, cw, ch);
 
     int i, j, cell_rows, cell_cols;
     wxRect rect;
 
     wxRegion clippedcells(0, 0, cw, ch);
 
     int i, j, cell_rows, cell_cols;
     wxRect rect;
 

-    for (j=topRow; j<bottomRow; j++)
+    for (j=topRow; j<=bottomRow; j++)

     {
     {

-        for (i=leftCol; i<rightCol; i++)
+        int colPos;
+        for (colPos=leftCol; colPos<=rightCol; colPos++)

         {
         {

+            i = GetColAt( colPos );
+

             GetCellSize( j, i, &cell_rows, &cell_cols );
             if ((cell_rows > 1) || (cell_cols > 1))
             {
             GetCellSize( j, i, &cell_rows, &cell_cols );
             if ((cell_rows > 1) || (cell_cols > 1))
             {


@@ -7344,34 +7822,9 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
             }
         }
     }
             }
         }
     }

-#else
-    wxRegion clippedcells( left, top, right - left, bottom - top );

 
 

-    int i, j, cell_rows, cell_cols;
-    wxRect rect;
+    dc.SetDeviceClippingRegion( clippedcells );

 
 

-    for (j=topRow; j<bottomRow; j++)
-    {
-        for (i=leftCol; i<rightCol; i++)
-        {
-            GetCellSize( j, i, &cell_rows, &cell_cols );
-            if ((cell_rows > 1) || (cell_cols > 1))
-            {
-                rect = CellToRect(j, i);
-                clippedcells.Subtract(rect);
-            }
-            else if ((cell_rows < 0) || (cell_cols < 0))
-            {
-                rect = CellToRect(j + cell_rows, i + cell_cols);
-                clippedcells.Subtract(rect);
-            }
-        }
-    }
-#endif
-
-    dc.SetClippingRegion( clippedcells );
-
-    dc.SetPen( wxPen(GetGridLineColour(), 1, wxSOLID) );

 
     // horizontal grid lines
     //
 
     // horizontal grid lines
     //


@@ -7387,15 +7840,24 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
 
         if ( bot >= top )
         {
 
         if ( bot >= top )
         {

+            dc.SetPen( GetRowGridLinePen(i) );

             dc.DrawLine( left, bot, right, bot );
         }
     }
 
     // vertical grid lines
     //
             dc.DrawLine( left, bot, right, bot );
         }
     }
 
     // vertical grid lines
     //

-    for ( i = internalXToCol(left); i < m_numCols; i++ )
+    int colPos;
+    for ( colPos = leftCol; colPos < m_numCols; colPos++ )

     {
     {

-        int colRight = GetColRight(i) - 1;
+        i = GetColAt( colPos );
+
+        int colRight = GetColRight(i);
+#ifdef __WXGTK__
+        if (GetLayoutDirection() != wxLayout_RightToLeft)
+#endif
+            colRight--;
+

         if ( colRight > right )
         {
             break;
         if ( colRight > right )
         {
             break;


@@ -7403,6 +7865,7 @@ void wxGrid::DrawAllGridLines( wxDC& dc, const wxRegion & WXUNUSED(reg) )
 
         if ( colRight >= left )
         {
 
         if ( colRight >= left )
         {

+            dc.SetPen( GetColGridLinePen(i) );

             dc.DrawLine( colRight, top, colRight, bottom );
         }
     }
             dc.DrawLine( colRight, top, colRight, bottom );
         }
     }


@@ -7431,22 +7894,10 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
 
     wxRect rect;
 
 
     wxRect rect;
 

-#ifdef __WXGTK20__
-    rect.SetX( 1 );
-    rect.SetY( GetRowTop(row) + 1 );
-    rect.SetWidth( m_rowLabelWidth - 2 );
-    rect.SetHeight( GetRowHeight(row) - 2 );
-
-    CalcScrolledPosition( 0, rect.y, NULL, &rect.y );
-
-    wxWindowDC *win_dc = (wxWindowDC*) &dc;
-
-    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
-#else

     int rowTop = GetRowTop(row),
         rowBottom = GetRowBottom(row) - 1;
 
     int rowTop = GetRowTop(row),
         rowBottom = GetRowBottom(row) - 1;
 

-    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW), 1, wxSOLID) );
+    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxPENSTYLE_SOLID) );

     dc.DrawLine( m_rowLabelWidth - 1, rowTop, m_rowLabelWidth - 1, rowBottom );
     dc.DrawLine( 0, rowTop, 0, rowBottom );
     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );
     dc.DrawLine( m_rowLabelWidth - 1, rowTop, m_rowLabelWidth - 1, rowBottom );
     dc.DrawLine( 0, rowTop, 0, rowBottom );
     dc.DrawLine( 0, rowBottom, m_rowLabelWidth, rowBottom );


@@ -7454,9 +7905,8 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 1, rowTop, 1, rowBottom );
     dc.DrawLine( 1, rowTop, m_rowLabelWidth - 1, rowTop );
     dc.SetPen( *wxWHITE_PEN );
     dc.DrawLine( 1, rowTop, 1, rowBottom );
     dc.DrawLine( 1, rowTop, m_rowLabelWidth - 1, rowTop );

-#endif

 
 

-    dc.SetBackgroundMode( wxTRANSPARENT );
+    dc.SetBackgroundMode( wxBRUSHSTYLE_TRANSPARENT );

     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
 
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
 


@@ -7470,6 +7920,18 @@ void wxGrid::DrawRowLabel( wxDC& dc, int row )
     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
 }
 
     DrawTextRectangle( dc, GetRowLabelValue( row ), rect, hAlign, vAlign );
 }
 

+void wxGrid::SetUseNativeColLabels( bool native )
+{
+    m_nativeColumnLabels = native;
+    if (native)
+    {
+        int height = wxRendererNative::Get().GetHeaderButtonHeight( this );
+        SetColLabelSize( height );
+    }
+
+    m_colLabelWin->Refresh();
+}
+

 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
 {
     if ( !m_numCols )
 void wxGrid::DrawColLabels( wxDC& dc,const wxArrayInt& cols )
 {
     if ( !m_numCols )


@@ -7493,30 +7955,32 @@ void wxGrid::DrawColLabel( wxDC& dc, int col )
 
     wxRect rect;
 
 
     wxRect rect;
 

-#ifdef __WXGTK20__
-    rect.SetX( colLeft + 1 );
-    rect.SetY( 1 );
-    rect.SetWidth( GetColWidth(col) - 2 );
-    rect.SetHeight( m_colLabelHeight - 2 );
-
-    wxWindowDC *win_dc = (wxWindowDC*) &dc;
+    if (m_nativeColumnLabels)
+    {
+        rect.SetX( colLeft);
+        rect.SetY( 0 );
+        rect.SetWidth( GetColWidth(col));
+        rect.SetHeight( m_colLabelHeight );

 
 

-    wxRendererNative::Get().DrawHeaderButton( win_dc->m_owner, dc, rect, 0 );
-#else
-    int colRight = GetColRight(col) - 1;
+        wxWindowDC *win_dc = (wxWindowDC*) &dc;
+        wxRendererNative::Get().DrawHeaderButton( win_dc->GetWindow(), dc, rect, 0 );
+    }
+    else
+    {
+        int colRight = GetColRight(col) - 1;

 
 

-    dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DDKSHADOW), 1, wxSOLID) );
-    dc.DrawLine( colRight, 0, colRight, m_colLabelHeight - 1 );
-    dc.DrawLine( colLeft, 0, colRight, 0 );
-    dc.DrawLine( colLeft, m_colLabelHeight - 1,
+        dc.SetPen( wxPen(wxSystemSettings::GetColour(wxSYS_COLOUR_3DSHADOW), 1, wxPENSTYLE_SOLID) );
+        dc.DrawLine( colRight, 0, colRight, m_colLabelHeight - 1 );
+        dc.DrawLine( colLeft, 0, colRight, 0 );
+        dc.DrawLine( colLeft, m_colLabelHeight - 1,

                  colRight + 1, m_colLabelHeight - 1 );
 
                  colRight + 1, m_colLabelHeight - 1 );
 

-    dc.SetPen( *wxWHITE_PEN );
-    dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight - 1 );
-    dc.DrawLine( colLeft, 1, colRight, 1 );
-#endif
+        dc.SetPen( *wxWHITE_PEN );
+        dc.DrawLine( colLeft, 1, colLeft, m_colLabelHeight - 1 );
+        dc.DrawLine( colLeft, 1, colRight, 1 );
+    }

 
 

-    dc.SetBackgroundMode( wxTRANSPARENT );
+    dc.SetBackgroundMode( wxBRUSHSTYLE_TRANSPARENT );

     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
 
     dc.SetTextForeground( GetLabelTextColour() );
     dc.SetFont( GetLabelFont() );
 


@@ -7612,8 +8076,8 @@ void wxGrid::DrawTextRectangle(wxDC& dc,
             continue;
         }
 
             continue;
         }
 

-        long lineWidth,
-             lineHeight;
+        wxCoord lineWidth = 0,
+             lineHeight = 0;

         dc.GetTextExtent(line, &lineWidth, &lineHeight);
 
         switch ( horizAlign )
         dc.GetTextExtent(line, &lineWidth, &lineHeight);
 
         switch ( horizAlign )


@@ -7657,7 +8121,8 @@ void wxGrid::DrawTextRectangle(wxDC& dc,
 // Split multi-line text up into an array of strings.
 // Any existing contents of the string array are preserved.
 //
 // Split multi-line text up into an array of strings.
 // Any existing contents of the string array are preserved.
 //

-void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
+// TODO: refactor wxTextFile::Read() and reuse the same code from here
+void wxGrid::StringToLines( const wxString& value, wxArrayString& lines ) const

 {
     int startPos = 0;
     int pos;
 {
     int startPos = 0;
     int pos;


@@ -7677,25 +8142,25 @@ void wxGrid::StringToLines( const wxString& value, wxArrayString& lines )
         }
         else
         {
         }
         else
         {

-            lines.Add( value.Mid(startPos, pos) );
+            lines.Add( tVal.Mid(startPos, pos) );

         }
 
         startPos += pos + 1;
     }
 
         }
 
         startPos += pos + 1;
     }
 

-    if ( startPos < (int)value.length() )
+    if ( startPos < (int)tVal.length() )

     {
     {

-        lines.Add( value.Mid( startPos ) );
+        lines.Add( tVal.Mid( startPos ) );

     }
 }
 
 void wxGrid::GetTextBoxSize( const wxDC& dc,
                              const wxArrayString& lines,
     }
 }
 
 void wxGrid::GetTextBoxSize( const wxDC& dc,
                              const wxArrayString& lines,

-                             long *width, long *height )
+                             long *width, long *height ) const

 {
 {

-    long w = 0;
-    long h = 0;
-    long lineW = 0, lineH = 0;
+    wxCoord w = 0;
+    wxCoord h = 0;
+    wxCoord lineW = 0, lineH = 0;

 
     size_t i;
     for ( i = 0; i < lines.GetCount(); i++ )
 
     size_t i;
     for ( i = 0; i < lines.GetCount(); i++ )


@@ -7874,23 +8339,21 @@ void wxGrid::ShowCellEditControl()
                 m_currentCellCoords.SetCol( col );
             }
 
                 m_currentCellCoords.SetCol( col );
             }
 

-            // convert to scrolled coords
-            CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
-
-            int nXMove = 0;
-            if (rect.x < 0)
-                nXMove = rect.x;
-
-            // performed in PaintBackground()
-#if 0

             // erase the highlight and the cell contents because the editor
             // might not cover the entire cell
             wxClientDC dc( m_gridWin );
             PrepareDC( dc );
             // erase the highlight and the cell contents because the editor
             // might not cover the entire cell
             wxClientDC dc( m_gridWin );
             PrepareDC( dc );

-            dc.SetBrush(*wxLIGHT_GREY_BRUSH); //wxBrush(attr->GetBackgroundColour(), wxSOLID));
+            wxGridCellAttr* attr = GetCellAttr(row, col);
+            dc.SetBrush(wxBrush(attr->GetBackgroundColour(), wxBRUSHSTYLE_SOLID));

             dc.SetPen(*wxTRANSPARENT_PEN);
             dc.DrawRectangle(rect);
             dc.SetPen(*wxTRANSPARENT_PEN);
             dc.DrawRectangle(rect);

-#endif
+
+            // convert to scrolled coords
+            CalcScrolledPosition( rect.x, rect.y, &rect.x, &rect.y );
+
+            int nXMove = 0;
+            if (rect.x < 0)
+                nXMove = rect.x;

 
             // cell is shifted by one pixel
             // However, don't allow x or y to become negative
 
             // cell is shifted by one pixel
             // However, don't allow x or y to become negative


@@ -7901,7 +8364,6 @@ void wxGrid::ShowCellEditControl()
             if (rect.y > 0)
                 rect.y--;
 
             if (rect.y > 0)
                 rect.y--;
 

-            wxGridCellAttr* attr = GetCellAttr(row, col);

             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
             if ( !editor->IsCreated() )
             {
             wxGridCellEditor* editor = attr->GetEditor(this, row, col);
             if ( !editor->IsCreated() )
             {


@@ -7963,19 +8425,6 @@ void wxGrid::ShowCellEditControl()
                     editor->GetControl()->GetPosition().y );
             editor->Show( true, attr );
 
                     editor->GetControl()->GetPosition().y );
             editor->Show( true, attr );
 

-            int colXPos = GetColLeft(col);
-//            for (int i = 0; i < m_currentCellCoords.GetCol(); i++)
-//            {
-//                colXPos += GetColSize( i );
-//            }
-
-//             int xUnit = 1, yUnit = 1;
-//             GetScrollPixelsPerUnit( &xUnit, &yUnit );
-//             if (col != 0)
-//                 Scroll( colXPos / xUnit - 1, GetScrollPos( wxVERTICAL ) );
-//             else
-//                 Scroll( colXPos / xUnit, GetScrollPos( wxVERTICAL ) );
-

             // recalc dimensions in case we need to
             // expand the scrolled window to account for editor
             CalcDimensions();
             // recalc dimensions in case we need to
             // expand the scrolled window to account for editor
             CalcDimensions();


@@ -8054,7 +8503,7 @@ void wxGrid::SaveEditControlValue()
 //  coordinates for mouse events etc.
 //
 
 //  coordinates for mouse events etc.
 //
 

-void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords )
+void wxGrid::XYToCell( int x, int y, wxGridCellCoords& coords ) const

 {
     int row = YToRow(y);
     int col = XToCol(x);
 {
     int row = YToRow(y);
     int col = XToCol(x);


@@ -8136,27 +8585,89 @@ static int CoordToRowOrCol(int coord, int defaultDist, int minDist,
     return i_max;
 }
 
     return i_max;
 }
 

-int wxGrid::YToRow( int y )
+int wxGrid::YToRow( int y ) const

 {
     return CoordToRowOrCol(y, m_defaultRowHeight,
                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
 }
 
 {
     return CoordToRowOrCol(y, m_defaultRowHeight,
                            m_minAcceptableRowHeight, m_rowBottoms, m_numRows, false);
 }
 

-int wxGrid::XToCol( int x )
+int wxGrid::XToCol( int x, bool clipToMinMax ) const

 {
 {

-    return CoordToRowOrCol(x, m_defaultColWidth,
-                           m_minAcceptableColWidth, m_colRights, m_numCols, false);
+    if (x < 0)
+        return clipToMinMax && (m_numCols > 0) ? GetColAt( 0 ) : -1;
+
+    wxASSERT_MSG(m_defaultColWidth > 0, wxT("Default column width can not be zero"));
+
+    int maxPos = x / m_defaultColWidth;
+    int minPos = 0;
+
+    if (m_colRights.IsEmpty())
+    {
+        if(maxPos < m_numCols)
+            return GetColAt( maxPos );
+        return clipToMinMax ? GetColAt( m_numCols - 1 ) : -1;
+    }
+
+    if ( maxPos >= m_numCols)
+        maxPos = m_numCols - 1;
+    else
+    {
+        if ( x >= m_colRights[GetColAt( maxPos )])
+        {
+            minPos = maxPos;
+            if (m_minAcceptableColWidth)
+                maxPos = x / m_minAcceptableColWidth;
+            else
+                maxPos =  m_numCols - 1;
+        }
+        if ( maxPos >= m_numCols)
+            maxPos = m_numCols - 1;
+    }
+
+    //X is beyond the last column
+    if ( x >= m_colRights[GetColAt( maxPos )])
+        return clipToMinMax ? GetColAt( maxPos ) : -1;
+
+    //X is before the first column
+    if ( x < m_colRights[GetColAt( 0 )] )
+        return GetColAt( 0 );
+
+    //Perform a binary search
+    while ( maxPos - minPos > 0 )
+    {
+        wxCHECK_MSG(m_colRights[GetColAt( minPos )] <= x && x < m_colRights[GetColAt( maxPos )],
+                    0, _T("wxGrid: internal error in XToCol"));
+
+        if (x >=  m_colRights[GetColAt( maxPos - 1 )])
+            return GetColAt( maxPos );
+        else
+            maxPos--;
+        int median = minPos + (maxPos - minPos + 1) / 2;
+        if (x < m_colRights[GetColAt( median )])
+            maxPos = median;
+        else
+            minPos = median;
+    }
+    return GetColAt( maxPos );

 }
 
 }
 

-// return the row number that that the y coord is near the edge of, or
-// -1 if not near an edge
+// return the row number that that the y coord is near
+//  the edge of, or -1 if not near an edge.
+// coords can only possibly be near an edge if
+//    (a) the row/column is large enough to still allow for an "inner" area
+//        that is _not_ nead the edge (i.e., if the height/width is smaller
+//        than WXGRID_LABEL_EDGE_ZONE, coords are _never_ considered to be
+//        near the edge).
+//   and
+//    (b) resizing rows/columns (the thing for which edge detection is
+//        relevant at all) is enabled.

 //
 //

-int wxGrid::YToEdgeOfRow( int y )
+int wxGrid::YToEdgeOfRow( int y ) const

 {
     int i;
     i = internalYToRow(y);
 
 {
     int i;
     i = internalYToRow(y);
 

-    if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE )
+    if ( GetRowHeight(i) > WXGRID_LABEL_EDGE_ZONE && CanDragRowSize() )

     {
         // We know that we are in row i, test whether we are
         // close enough to lower or upper border, respectively.
     {
         // We know that we are in row i, test whether we are
         // close enough to lower or upper border, respectively.


@@ -8171,13 +8682,14 @@ int wxGrid::YToEdgeOfRow( int y )
 
 // return the col number that that the x coord is near the edge of, or
 // -1 if not near an edge
 
 // return the col number that that the x coord is near the edge of, or
 // -1 if not near an edge

+// See comment at YToEdgeOfRow for conditions on edge detection.

 //
 //

-int wxGrid::XToEdgeOfCol( int x )
+int wxGrid::XToEdgeOfCol( int x ) const

 {
     int i;
     i = internalXToCol(x);
 
 {
     int i;
     i = internalXToCol(x);
 

-    if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE )
+    if ( GetColWidth(i) > WXGRID_LABEL_EDGE_ZONE && CanDragColSize() )

     {
         // We know that we are in column i; test whether we are
         // close enough to right or left border, respectively.
     {
         // We know that we are in column i; test whether we are
         // close enough to right or left border, respectively.


@@ -8190,7 +8702,7 @@ int wxGrid::XToEdgeOfCol( int x )
     return -1;
 }
 
     return -1;
 }
 

-wxRect wxGrid::CellToRect( int row, int col )
+wxRect wxGrid::CellToRect( int row, int col ) const

 {
     wxRect rect( -1, -1, -1, -1 );
 
 {
     wxRect rect( -1, -1, -1, -1 );
 


@@ -8225,7 +8737,7 @@ wxRect wxGrid::CellToRect( int row, int col )
     return rect;
 }
 
     return rect;
 }
 

-bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible )
+bool wxGrid::IsVisible( int row, int col, bool wholeCellVisible ) const

 {
     // get the cell rectangle in logical coords
     //
 {
     // get the cell rectangle in logical coords
     //


@@ -8425,11 +8937,12 @@ bool wxGrid::MoveCursorLeft( bool expandSelection )
                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
             }
         }
                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
             }
         }

-        else if ( m_currentCellCoords.GetCol() > 0 )
+        else if ( GetColPos( m_currentCellCoords.GetCol() ) > 0 )

         {
             int row = m_currentCellCoords.GetRow();
         {
             int row = m_currentCellCoords.GetRow();

-            int col = m_currentCellCoords.GetCol() - 1;
+            int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) - 1 );

             ClearSelection();
             ClearSelection();

+

             MakeCellVisible( row, col );
             SetCurrentCell( row, col );
         }
             MakeCellVisible( row, col );
             SetCurrentCell( row, col );
         }


@@ -8459,11 +8972,12 @@ bool wxGrid::MoveCursorRight( bool expandSelection )
                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
             }
         }
                 HighlightBlock( m_currentCellCoords, m_selectingKeyboard );
             }
         }

-        else if ( m_currentCellCoords.GetCol() < m_numCols - 1 )
+        else if ( GetColPos( m_currentCellCoords.GetCol() ) < m_numCols - 1 )

         {
             int row = m_currentCellCoords.GetRow();
         {
             int row = m_currentCellCoords.GetRow();

-            int col = m_currentCellCoords.GetCol() + 1;
+            int col = GetColAt( GetColPos( m_currentCellCoords.GetCol() ) + 1 );

             ClearSelection();
             ClearSelection();

+

             MakeCellVisible( row, col );
             SetCurrentCell( row, col );
         }
             MakeCellVisible( row, col );
             SetCurrentCell( row, col );
         }


@@ -8801,7 +9315,7 @@ bool wxGrid::MoveCursorRightBlock( bool expandSelection )
 // ------ Label values and formatting
 //
 
 // ------ Label values and formatting
 //
 

-void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
+void wxGrid::GetRowLabelAlignment( int *horiz, int *vert ) const

 {
     if ( horiz )
         *horiz = m_rowLabelHorizAlign;
 {
     if ( horiz )
         *horiz = m_rowLabelHorizAlign;


@@ -8809,7 +9323,7 @@ void wxGrid::GetRowLabelAlignment( int *horiz, int *vert )
         *vert  = m_rowLabelVertAlign;
 }
 
         *vert  = m_rowLabelVertAlign;
 }
 

-void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
+void wxGrid::GetColLabelAlignment( int *horiz, int *vert ) const

 {
     if ( horiz )
         *horiz = m_colLabelHorizAlign;
 {
     if ( horiz )
         *horiz = m_colLabelHorizAlign;


@@ -8817,12 +9331,12 @@ void wxGrid::GetColLabelAlignment( int *horiz, int *vert )
         *vert  = m_colLabelVertAlign;
 }
 
         *vert  = m_colLabelVertAlign;
 }
 

-int wxGrid::GetColLabelTextOrientation()
+int wxGrid::GetColLabelTextOrientation() const

 {
     return m_colLabelTextOrientation;
 }
 
 {
     return m_colLabelTextOrientation;
 }
 

-wxString wxGrid::GetRowLabelValue( int row )
+wxString wxGrid::GetRowLabelValue( int row ) const

 {
     if ( m_table )
     {
 {
     if ( m_table )
     {


@@ -8836,7 +9350,7 @@ wxString wxGrid::GetRowLabelValue( int row )
     }
 }
 
     }
 }
 

-wxString wxGrid::GetColLabelValue( int col )
+wxString wxGrid::GetColLabelValue( int col ) const

 {
     if ( m_table )
     {
 {
     if ( m_table )
     {


@@ -8852,7 +9366,13 @@ wxString wxGrid::GetColLabelValue( int col )
 
 void wxGrid::SetRowLabelSize( int width )
 {
 
 void wxGrid::SetRowLabelSize( int width )
 {

-    width = wxMax( width, 0 );
+    wxASSERT( width >= 0 || width == wxGRID_AUTOSIZE );
+
+    if ( width == wxGRID_AUTOSIZE )
+    {
+        width = CalcColOrRowLabelAreaMinSize(wxGRID_ROW);
+    }
+

     if ( width != m_rowLabelWidth )
     {
         if ( width == 0 )
     if ( width != m_rowLabelWidth )
     {
         if ( width == 0 )


@@ -8875,7 +9395,13 @@ void wxGrid::SetRowLabelSize( int width )
 
 void wxGrid::SetColLabelSize( int height )
 {
 
 void wxGrid::SetColLabelSize( int height )
 {

-    height = wxMax( height, 0 );
+    wxASSERT( height >=0 || height == wxGRID_AUTOSIZE );
+
+    if ( height == wxGRID_AUTOSIZE )
+    {
+        height = CalcColOrRowLabelAreaMinSize(wxGRID_COLUMN);
+    }
+

     if ( height != m_colLabelHeight )
     {
         if ( height == 0 )
     if ( height != m_colLabelHeight )
     {
         if ( height == 0 )


@@ -9093,7 +9619,7 @@ void wxGrid::SetCellHighlightPenWidth(int width)
         // make any visible change if the the thickness is getting smaller.
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
         // make any visible change if the the thickness is getting smaller.
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();

-        if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
+        if ( row == -1 || col == -1 || GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )

             return;
 
         wxRect rect = CellToRect(row, col);
             return;
 
         wxRect rect = CellToRect(row, col);


@@ -9111,7 +9637,8 @@ void wxGrid::SetCellHighlightROPenWidth(int width)
         // make any visible change if the the thickness is getting smaller.
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();
         // make any visible change if the the thickness is getting smaller.
         int row = m_currentCellCoords.GetRow();
         int col = m_currentCellCoords.GetCol();

-        if ( GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )
+        if ( row == -1 || col == -1 ||
+                GetColWidth(col) <= 0 || GetRowHeight(row) <= 0 )

             return;
 
         wxRect rect = CellToRect(row, col);
             return;
 
         wxRect rect = CellToRect(row, col);


@@ -9141,24 +9668,24 @@ void wxGrid::EnableGridLines( bool enable )
     }
 }
 
     }
 }
 

-int wxGrid::GetDefaultRowSize()
+int wxGrid::GetDefaultRowSize() const

 {
     return m_defaultRowHeight;
 }
 
 {
     return m_defaultRowHeight;
 }
 

-int wxGrid::GetRowSize( int row )
+int wxGrid::GetRowSize( int row ) const

 {
     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
 
     return GetRowHeight(row);
 }
 
 {
     wxCHECK_MSG( row >= 0 && row < m_numRows, 0, _T("invalid row index") );
 
     return GetRowHeight(row);
 }
 

-int wxGrid::GetDefaultColSize()
+int wxGrid::GetDefaultColSize() const

 {
     return m_defaultColWidth;
 }
 
 {
     return m_defaultColWidth;
 }
 

-int wxGrid::GetColSize( int col )
+int wxGrid::GetColSize( int col ) const

 {
     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
 
 {
     wxCHECK_MSG( col >= 0 && col < m_numCols, 0, _T("invalid column index") );
 


@@ -9222,30 +9749,30 @@ void wxGrid::SetDefaultEditor(wxGridCellEditor *editor)
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------

-// access to the default attrbiutes
+// access to the default attributes

 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 

-wxColour wxGrid::GetDefaultCellBackgroundColour()
+wxColour wxGrid::GetDefaultCellBackgroundColour() const

 {
     return m_defaultCellAttr->GetBackgroundColour();
 }
 
 {
     return m_defaultCellAttr->GetBackgroundColour();
 }
 

-wxColour wxGrid::GetDefaultCellTextColour()
+wxColour wxGrid::GetDefaultCellTextColour() const

 {
     return m_defaultCellAttr->GetTextColour();
 }
 
 {
     return m_defaultCellAttr->GetTextColour();
 }
 

-wxFont wxGrid::GetDefaultCellFont()
+wxFont wxGrid::GetDefaultCellFont() const

 {
     return m_defaultCellAttr->GetFont();
 }
 
 {
     return m_defaultCellAttr->GetFont();
 }
 

-void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert )
+void wxGrid::GetDefaultCellAlignment( int *horiz, int *vert ) const

 {
     m_defaultCellAttr->GetAlignment(horiz, vert);
 }
 
 {
     m_defaultCellAttr->GetAlignment(horiz, vert);
 }
 

-bool wxGrid::GetDefaultCellOverflow()
+bool wxGrid::GetDefaultCellOverflow() const

 {
     return m_defaultCellAttr->GetOverflow();
 }
 {
     return m_defaultCellAttr->GetOverflow();
 }


@@ -9264,7 +9791,7 @@ wxGridCellEditor *wxGrid::GetDefaultEditor() const
 // access to cell attributes
 // ----------------------------------------------------------------------------
 
 // access to cell attributes
 // ----------------------------------------------------------------------------
 

-wxColour wxGrid::GetCellBackgroundColour(int row, int col)
+wxColour wxGrid::GetCellBackgroundColour(int row, int col) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetBackgroundColour();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetBackgroundColour();


@@ -9273,7 +9800,7 @@ wxColour wxGrid::GetCellBackgroundColour(int row, int col)
     return colour;
 }
 
     return colour;
 }
 

-wxColour wxGrid::GetCellTextColour( int row, int col )
+wxColour wxGrid::GetCellTextColour( int row, int col ) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetTextColour();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxColour colour = attr->GetTextColour();


@@ -9282,7 +9809,7 @@ wxColour wxGrid::GetCellTextColour( int row, int col )
     return colour;
 }
 
     return colour;
 }
 

-wxFont wxGrid::GetCellFont( int row, int col )
+wxFont wxGrid::GetCellFont( int row, int col ) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxFont font = attr->GetFont();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     wxFont font = attr->GetFont();


@@ -9291,14 +9818,14 @@ wxFont wxGrid::GetCellFont( int row, int col )
     return font;
 }
 
     return font;
 }
 

-void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert )
+void wxGrid::GetCellAlignment( int row, int col, int *horiz, int *vert ) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetAlignment(horiz, vert);
     attr->DecRef();
 }
 
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetAlignment(horiz, vert);
     attr->DecRef();
 }
 

-bool wxGrid::GetCellOverflow( int row, int col )
+bool wxGrid::GetCellOverflow( int row, int col ) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     bool allow = attr->GetOverflow();
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     bool allow = attr->GetOverflow();


@@ -9307,14 +9834,14 @@ bool wxGrid::GetCellOverflow( int row, int col )
     return allow;
 }
 
     return allow;
 }
 

-void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols )
+void wxGrid::GetCellSize( int row, int col, int *num_rows, int *num_cols ) const

 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetSize( num_rows, num_cols );
     attr->DecRef();
 }
 
 {
     wxGridCellAttr *attr = GetCellAttr(row, col);
     attr->GetSize( num_rows, num_cols );
     attr->DecRef();
 }
 

-wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
+wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col) const

 {
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);
 {
     wxGridCellAttr* attr = GetCellAttr(row, col);
     wxGridCellRenderer* renderer = attr->GetRenderer(this, row, col);


@@ -9323,7 +9850,7 @@ wxGridCellRenderer* wxGrid::GetCellRenderer(int row, int col)
     return renderer;
 }
 
     return renderer;
 }
 

-wxGridCellEditor* wxGrid::GetCellEditor(int row, int col)
+wxGridCellEditor* wxGrid::GetCellEditor(int row, int col) const

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


@@ -9345,7 +9872,7 @@ bool wxGrid::IsReadOnly(int row, int col) const
 // attribute support: cache, automatic provider creation, ...
 // ----------------------------------------------------------------------------
 
 // attribute support: cache, automatic provider creation, ...
 // ----------------------------------------------------------------------------
 

-bool wxGrid::CanHaveAttributes()
+bool wxGrid::CanHaveAttributes() const

 {
     if ( !m_table )
     {
 {
     if ( !m_table )
     {


@@ -9699,10 +10226,7 @@ wxGridCellEditor * wxGrid::GetDefaultEditorForType(const wxString& typeName) con
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {

-        wxString errStr;
-
-        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
-        wxFAIL_MSG(errStr.c_str());
+        wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str()));

 
         return NULL;
     }
 
         return NULL;
     }


@@ -9715,10 +10239,7 @@ wxGridCellRenderer * wxGrid::GetDefaultRendererForType(const wxString& typeName)
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {
     int index = m_typeRegistry->FindOrCloneDataType(typeName);
     if ( index == wxNOT_FOUND )
     {

-        wxString errStr;
-
-        errStr.Printf(wxT("Unknown data type name [%s]"), typeName.c_str());
-        wxFAIL_MSG(errStr.c_str());
+        wxFAIL_MSG(wxString::Format(wxT("Unknown data type name [%s]"), typeName.c_str()));

 
         return NULL;
     }
 
         return NULL;
     }


@@ -9785,8 +10306,7 @@ void wxGrid::SetRowSize( int row, int height )
     int diff = h - m_rowHeights[row];
 
     m_rowHeights[row] = h;
     int diff = h - m_rowHeights[row];
 
     m_rowHeights[row] = h;

-    int i;
-    for ( i = row; i < m_numRows; i++ )
+    for ( int i = row; i < m_numRows; i++ )

     {
         m_rowBottoms[i] += diff;
     }
     {
         m_rowBottoms[i] += diff;
     }


@@ -9797,7 +10317,8 @@ void wxGrid::SetRowSize( int row, int height )
 
 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
 {
 
 void wxGrid::SetDefaultColSize( int width, bool resizeExistingCols )
 {

-    m_defaultColWidth = wxMax( width, m_minAcceptableColWidth );
+    // we dont allow zero default column width
+    m_defaultColWidth = wxMax( wxMax( width, m_minAcceptableColWidth ), 1 );

 
     if ( resizeExistingCols )
     {
 
     if ( resizeExistingCols )
     {


@@ -9819,7 +10340,7 @@ void wxGrid::SetColSize( int col, int width )
     // should we check that it's bigger than GetColMinimalWidth(col) here?
     //                                                                 (VZ)
     // No, because it is reasonable to assume the library user know's
     // should we check that it's bigger than GetColMinimalWidth(col) here?
     //                                                                 (VZ)
     // No, because it is reasonable to assume the library user know's

-    // what he is doing. However whe should test against the weaker
+    // what he is doing. However we should test against the weaker

     // constraint of minimalAcceptableWidth, as this breaks rendering
     //
     // This test then fixes sf.net bug #645734
     // constraint of minimalAcceptableWidth, as this breaks rendering
     //
     // This test then fixes sf.net bug #645734


@@ -9849,10 +10370,9 @@ void wxGrid::SetColSize( int col, int width )
     int diff = w - m_colWidths[col];
     m_colWidths[col] = w;
 
     int diff = w - m_colWidths[col];
     m_colWidths[col] = w;
 

-    int i;
-    for ( i = col; i < m_numCols; i++ )
+    for ( int colPos = GetColPos(col); colPos < m_numCols; colPos++ )

     {
     {

-        m_colRights[i] += diff;
+        m_colRights[GetColAt(colPos)] += diff;

     }
 
     if ( !GetBatchCount() )
     }
 
     if ( !GetBatchCount() )


@@ -9923,8 +10443,11 @@ int  wxGrid::GetRowMinimalAcceptableHeight() const
 // auto sizing
 // ----------------------------------------------------------------------------
 
 // auto sizing
 // ----------------------------------------------------------------------------
 

-void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
+void
+wxGrid::AutoSizeColOrRow(int colOrRow, bool setAsMin, wxGridDirection direction)

 {
 {

+    const bool column = direction == wxGRID_COLUMN;
+

     wxClientDC dc(m_gridWin);
 
     // cancel editing of cell
     wxClientDC dc(m_gridWin);
 
     // cancel editing of cell


@@ -9969,12 +10492,12 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 
     if ( column )
     {
 
     if ( column )
     {

-        dc.GetTextExtent( GetColLabelValue(col), &w, &h );
+        dc.GetMultiLineTextExtent( GetColLabelValue(col), &w, &h );

         if ( GetColLabelTextOrientation() == wxVERTICAL )
             w = h;
     }
     else
         if ( GetColLabelTextOrientation() == wxVERTICAL )
             w = h;
     }
     else

-        dc.GetTextExtent( GetRowLabelValue(row), &w, &h );
+        dc.GetMultiLineTextExtent( GetRowLabelValue(row), &w, &h );

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


@@ -9997,6 +10520,12 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
 
     if ( column )
     {
 
     if ( column )
     {

+        // Ensure automatic width is not less than minimal width. See the
+        // comment in SetColSize() for explanation of why this isn't done
+        // in SetColSize().
+        if ( !setAsMin )
+            extentMax = wxMax(extentMax, GetColMinimalWidth(col));
+

         SetColSize( col, extentMax );
         if ( !GetBatchCount() )
         {
         SetColSize( col, extentMax );
         if ( !GetBatchCount() )
         {


@@ -10012,6 +10541,12 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     }
     else
     {
     }
     else
     {

+        // Ensure automatic width is not less than minimal height. See the
+        // comment in SetColSize() for explanation of why this isn't done
+        // in SetRowSize().
+        if ( !setAsMin )
+            extentMax = wxMax(extentMax, GetRowMinimalHeight(row));
+

         SetRowSize(row, extentMax);
         if ( !GetBatchCount() )
         {
         SetRowSize(row, extentMax);
         if ( !GetBatchCount() )
         {


@@ -10035,12 +10570,66 @@ void wxGrid::AutoSizeColOrRow( int colOrRow, bool setAsMin, bool column )
     }
 }
 
     }
 }
 

+wxCoord wxGrid::CalcColOrRowLabelAreaMinSize(wxGridDirection direction)
+{
+    // calculate size for the rows or columns?
+    const bool calcRows = direction == wxGRID_ROW;
+
+    wxClientDC dc(calcRows ? GetGridRowLabelWindow()
+                           : GetGridColLabelWindow());
+    dc.SetFont(GetLabelFont());
+
+    // which dimension should we take into account for calculations?
+    //
+    // for columns, the text can be only horizontal so it's easy but for rows
+    // we also have to take into account the text orientation
+    const bool
+        useWidth = calcRows || (GetColLabelTextOrientation() == wxVERTICAL);
+
+    wxArrayString lines;
+    wxCoord extentMax = 0;
+
+    const int numRowsOrCols = calcRows ? m_numRows : m_numCols;
+    for ( int rowOrCol = 0; rowOrCol < numRowsOrCols; rowOrCol++ )
+    {
+        lines.Clear();
+
+        wxString label = calcRows ? GetRowLabelValue(rowOrCol)
+                                  : GetColLabelValue(rowOrCol);
+        StringToLines(label, lines);
+
+        long w, h;
+        GetTextBoxSize(dc, lines, &w, &h);
+
+        const wxCoord extent = useWidth ? w : h;
+        if ( extent > extentMax )
+            extentMax = extent;
+    }
+
+    if ( !extentMax )
+    {
+        // empty column - give default extent (notice that if extentMax is less
+        // than default extent but != 0, it's OK)
+        extentMax = calcRows ? GetDefaultRowLabelSize()
+                             : GetDefaultColLabelSize();
+    }
+
+    // leave some space around text (taken from AutoSizeColOrRow)
+    if ( calcRows )
+        extentMax += 10;
+    else
+        extentMax += 6;
+
+    return extentMax;
+}
+

 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
 {
     int width = m_rowLabelWidth;
 
 int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
 {
     int width = m_rowLabelWidth;
 

-    if ( !calcOnly )
-        BeginBatch();
+    wxGridUpdateLocker locker;
+    if(!calcOnly)
+        locker.Create(this);

 
     for ( int col = 0; col < m_numCols; col++ )
     {
 
     for ( int col = 0; col < m_numCols; col++ )
     {


@@ -10050,9 +10639,6 @@ int wxGrid::SetOrCalcColumnSizes(bool calcOnly, bool setAsMin)
         width += GetColWidth(col);
     }
 
         width += GetColWidth(col);
     }
 

-    if ( !calcOnly )
-        EndBatch();
-

     return width;
 }
 
     return width;
 }
 


@@ -10060,8 +10646,9 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
 {
     int height = m_colLabelHeight;
 
 {
     int height = m_colLabelHeight;
 

-    if ( !calcOnly )
-        BeginBatch();
+    wxGridUpdateLocker locker;
+    if(!calcOnly)
+        locker.Create(this);

 
     for ( int row = 0; row < m_numRows; row++ )
     {
 
     for ( int row = 0; row < m_numRows; row++ )
     {


@@ -10071,31 +10658,24 @@ int wxGrid::SetOrCalcRowSizes(bool calcOnly, bool setAsMin)
         height += GetRowHeight(row);
     }
 
         height += GetRowHeight(row);
     }
 

-    if ( !calcOnly )
-        EndBatch();
-

     return height;
 }
 
 void wxGrid::AutoSize()
 {
     return height;
 }
 
 void wxGrid::AutoSize()
 {

-    BeginBatch();
+    wxGridUpdateLocker locker(this);

 
 

-    wxSize size(SetOrCalcColumnSizes(false), SetOrCalcRowSizes(false));
-
-    // round up the size to a multiple of scroll step - this ensures that we
-    // won't get the scrollbars if we're sized exactly to this width
-    // CalcDimension adds m_extraWidth + 1 etc. to calculate the necessary
-    // scrollbar steps
-    wxSize sizeFit(
-        GetScrollX(size.x + m_extraWidth + 1) * m_scrollLineX,
-        GetScrollY(size.y + m_extraHeight + 1) * m_scrollLineY );
+    // we need to round up the size of the scrollable area to a multiple of
+    // scroll step to ensure that we don't get the scrollbars when we're sized
+    // exactly to fit our contents
+    wxSize size(SetOrCalcColumnSizes(false) - m_rowLabelWidth + m_extraWidth,
+                SetOrCalcRowSizes(false) - m_colLabelHeight + m_extraHeight);
+    wxSize sizeFit(GetScrollX(size.x) * GetScrollLineX(),
+                   GetScrollY(size.y) * GetScrollLineY());

 
     // distribute the extra space between the columns/rows to avoid having
     // extra white space
 
     // distribute the extra space between the columns/rows to avoid having
     // extra white space

-
-    // Remove the extra m_extraWidth + 1 added above
-    wxCoord diff = sizeFit.x - size.x + (m_extraWidth + 1);
+    wxCoord diff = sizeFit.x - size.x;

     if ( diff && m_numCols )
     {
         // try to resize the columns uniformly
     if ( diff && m_numCols )
     {
         // try to resize the columns uniformly


@@ -10120,7 +10700,7 @@ void wxGrid::AutoSize()
     }
 
     // same for rows
     }
 
     // same for rows

-    diff = sizeFit.y - size.y - (m_extraHeight + 1);
+    diff = sizeFit.y - size.y;

     if ( diff && m_numRows )
     {
         // try to resize the columns uniformly
     if ( diff && m_numRows )
     {
         // try to resize the columns uniformly


@@ -10144,9 +10724,11 @@ void wxGrid::AutoSize()
         }
     }
 
         }
     }
 

-    EndBatch();
-
-    SetClientSize(sizeFit);
+    // we know that we're not going to have scrollbars so disable them now to
+    // avoid trouble in SetClientSize() which can otherwise set the correct
+    // client size but also leave space for (not needed any more) scrollbars
+    SetScrollbars(0, 0, 0, 0, 0, 0, true);
+    SetClientSize(sizeFit.x + m_rowLabelWidth, sizeFit.y + m_colLabelHeight);

 }
 
 void wxGrid::AutoSizeRowLabelSize( int row )
 }
 
 void wxGrid::AutoSizeRowLabelSize( int row )


@@ -10200,46 +10782,22 @@ void wxGrid::AutoSizeColLabelSize( int col )
 
 wxSize wxGrid::DoGetBestSize() const
 {
 
 wxSize wxGrid::DoGetBestSize() const
 {

-    // don't set sizes, only calculate them

     wxGrid *self = (wxGrid *)this;  // const_cast
 
     wxGrid *self = (wxGrid *)this;  // const_cast
 

-    int width, height;
-    width = self->SetOrCalcColumnSizes(true);
-    height = self->SetOrCalcRowSizes(true);
-
-    if (!width)
-        width = 100;
-    if (!height)
-        height = 80;
-
-    // Round up to a multiple the scroll rate
-    // NOTE: this still doesn't get rid of the scrollbars;
-    // is there any magic incantation for that?
-    int xpu, ypu;
-    GetScrollPixelsPerUnit(&xpu, &ypu);
-    if (xpu)
-        width  += 1 + xpu - (width  % xpu);
-    if (ypu)
-        height += 1 + ypu - (height % ypu);
-
-    // limit to 1/4 of the screen size
-    int maxwidth, maxheight;
-    wxDisplaySize( &maxwidth, &maxheight );
-    maxwidth /= 2;
-    maxheight /= 2;
-    if ( width > maxwidth )
-        width = maxwidth;
-    if ( height > maxheight )
-        height = maxheight;
-
-    wxSize best(width, height);
+    // we do the same as in AutoSize() here with the exception that we don't
+    // change the column/row sizes, only calculate them
+    wxSize size(self->SetOrCalcColumnSizes(true) - m_rowLabelWidth + m_extraWidth,
+                self->SetOrCalcRowSizes(true) - m_colLabelHeight + m_extraHeight);
+    wxSize sizeFit(GetScrollX(size.x) * GetScrollLineX(),
+                   GetScrollY(size.y) * GetScrollLineY());

 
     // NOTE: This size should be cached, but first we need to add calls to
     // InvalidateBestSize everywhere that could change the results of this
     // calculation.
     // CacheBestSize(size);
 
 
     // NOTE: This size should be cached, but first we need to add calls to
     // InvalidateBestSize everywhere that could change the results of this
     // calculation.
     // CacheBestSize(size);
 

-    return best;
+    return wxSize(sizeFit.x + m_rowLabelWidth, sizeFit.y + m_colLabelHeight)
+            + GetWindowBorderSize();

 }
 
 void wxGrid::Fit()
 }
 
 void wxGrid::Fit()


@@ -10378,7 +10936,7 @@ void wxGrid::DeselectCell( int row, int col )
         m_selection->ToggleCellSelection(row, col);
 }
 
         m_selection->ToggleCellSelection(row, col);
 }
 

-bool wxGrid::IsSelection()
+bool wxGrid::IsSelection() const

 {
     return ( m_selection && (m_selection->IsSelection() ||
              ( m_selectingTopLeft != wxGridNoCellCoords &&
 {
     return ( m_selection && (m_selection->IsSelection() ||
              ( m_selectingTopLeft != wxGridNoCellCoords &&


@@ -10451,8 +11009,9 @@ wxArrayInt wxGrid::GetSelectedCols() const
 
 void wxGrid::ClearSelection()
 {
 
 void wxGrid::ClearSelection()
 {

-    m_selectingTopLeft = wxGridNoCellCoords;
-    m_selectingBottomRight = wxGridNoCellCoords;
+    m_selectingTopLeft =
+    m_selectingBottomRight =
+    m_selectingKeyboard = wxGridNoCellCoords;

     if ( m_selection )
         m_selection->ClearSelection();
 }
     if ( m_selection )
         m_selection->ClearSelection();
 }


@@ -10460,37 +11019,36 @@ void wxGrid::ClearSelection()
 // This function returns the rectangle that encloses the given block
 // in device coords clipped to the client size of the grid window.
 //
 // This function returns the rectangle that encloses the given block
 // in device coords clipped to the client size of the grid window.
 //

-wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
-                                  const wxGridCellCoords &bottomRight )
+wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords& topLeft,
+                                  const wxGridCellCoords& bottomRight ) const

 {
 {

-    wxRect rect( wxGridNoCellRect );
-    wxRect cellRect;
-
-    cellRect = CellToRect( topLeft );
-    if ( cellRect != wxGridNoCellRect )
+    wxRect resultRect;
+    wxRect tempCellRect = CellToRect(topLeft);
+    if ( tempCellRect != wxGridNoCellRect )

     {
     {

-        rect = cellRect;
+        resultRect = tempCellRect;

     }
     else
     {
     }
     else
     {

-        rect = wxRect(0, 0, 0, 0);
+        resultRect = wxRect(0, 0, 0, 0);

     }
 
     }
 

-    cellRect = CellToRect( bottomRight );
-    if ( cellRect != wxGridNoCellRect )
+    tempCellRect = CellToRect(bottomRight);
+    if ( tempCellRect != wxGridNoCellRect )

     {
     {

-        rect += cellRect;
+        resultRect += tempCellRect;

     }
     else
     {
     }
     else
     {

+        // If both inputs were "wxGridNoCellRect," then there's nothing to do.

         return wxGridNoCellRect;
     }
 
         return wxGridNoCellRect;
     }
 

-    int i, j;
-    int left = rect.GetLeft();
-    int top = rect.GetTop();
-    int right = rect.GetRight();
-    int bottom = rect.GetBottom();
+    // Ensure that left/right and top/bottom pairs are in order.
+    int left = resultRect.GetLeft();
+    int top = resultRect.GetTop();
+    int right = resultRect.GetRight();
+    int bottom = resultRect.GetBottom();

 
     int leftCol = topLeft.GetCol();
     int topRow = topLeft.GetRow();
 
     int leftCol = topLeft.GetCol();
     int topRow = topLeft.GetRow();


@@ -10499,67 +11057,105 @@ wxRect wxGrid::BlockToDeviceRect( const wxGridCellCoords &topLeft,
 
     if (left > right)
     {
 
     if (left > right)
     {

-        i = left;
+        int tmp = left;

         left = right;
         left = right;

-        right = i;
-        i = leftCol;
+        right = tmp;
+
+        tmp = leftCol;

         leftCol = rightCol;
         leftCol = rightCol;

-        rightCol = i;
+        rightCol = tmp;

     }
 
     if (top > bottom)
     {
     }
 
     if (top > bottom)
     {

-        i = top;
+        int tmp = top;

         top = bottom;
         top = bottom;

-        bottom = i;
-        i = topRow;
+        bottom = tmp;
+
+        tmp = topRow;

         topRow = bottomRow;
         topRow = bottomRow;

-        bottomRow = i;
+        bottomRow = tmp;

     }
 
     }
 

-    for ( j = topRow; j <= bottomRow; j++ )
+    // The following loop is ONLY necessary to detect and handle merged cells.
+    int cw, ch;
+    m_gridWin->GetClientSize( &cw, &ch );
+
+    // Get the origin coordinates: notice that they will be negative if the
+    // grid is scrolled downwards/to the right.
+    int gridOriginX = 0;
+    int gridOriginY = 0;
+    CalcScrolledPosition(gridOriginX, gridOriginY, &gridOriginX, &gridOriginY);
+
+    int onScreenLeftmostCol = internalXToCol(-gridOriginX);
+    int onScreenUppermostRow = internalYToRow(-gridOriginY);
+
+    int onScreenRightmostCol = internalXToCol(-gridOriginX + cw);
+    int onScreenBottommostRow = internalYToRow(-gridOriginY + ch);
+
+    // Bound our loop so that we only examine the portion of the selected block
+    // that is shown on screen. Therefore, we compare the Top-Left block values
+    // to the Top-Left screen values, and the Bottom-Right block values to the
+    // Bottom-Right screen values, choosing appropriately.
+    const int visibleTopRow = wxMax(topRow, onScreenUppermostRow);
+    const int visibleBottomRow = wxMin(bottomRow, onScreenBottommostRow);
+    const int visibleLeftCol = wxMax(leftCol, onScreenLeftmostCol);
+    const int visibleRightCol = wxMin(rightCol, onScreenRightmostCol);
+
+    for ( int j = visibleTopRow; j <= visibleBottomRow; j++ )

     {
     {

-        for ( i = leftCol; i <= rightCol; i++ )
+        for ( int i = visibleLeftCol; i <= visibleRightCol; i++ )

         {
         {

-            if ((j == topRow) || (j == bottomRow) || (i == leftCol) || (i == rightCol))
+            if ( (j == visibleTopRow) || (j == visibleBottomRow) ||
+                    (i == visibleLeftCol) || (i == visibleRightCol) )

             {
             {

-                cellRect = CellToRect( j, i );
+                tempCellRect = CellToRect( j, i );

 
 

-                if (cellRect.x < left)
-                    left = cellRect.x;
-                if (cellRect.y < top)
-                    top = cellRect.y;
-                if (cellRect.x + cellRect.width > right)
-                    right = cellRect.x + cellRect.width;
-                if (cellRect.y + cellRect.height > bottom)
-                    bottom = cellRect.y + cellRect.height;
+                if (tempCellRect.x < left)
+                    left = tempCellRect.x;
+                if (tempCellRect.y < top)
+                    top = tempCellRect.y;
+                if (tempCellRect.x + tempCellRect.width > right)
+                    right = tempCellRect.x + tempCellRect.width;
+                if (tempCellRect.y + tempCellRect.height > bottom)
+                    bottom = tempCellRect.y + tempCellRect.height;

             }
             else
             {
             }
             else
             {

-                i = rightCol; // jump over inner cells.
+                i = visibleRightCol; // jump over inner cells.

             }
         }
     }
 
             }
         }
     }
 

-    // convert to scrolled coords
-    //
+    // Convert to scrolled coords

     CalcScrolledPosition( left, top, &left, &top );
     CalcScrolledPosition( right, bottom, &right, &bottom );
 
     CalcScrolledPosition( left, top, &left, &top );
     CalcScrolledPosition( right, bottom, &right, &bottom );
 

-    int cw, ch;
-    m_gridWin->GetClientSize( &cw, &ch );
-

     if (right < 0 || bottom < 0 || left > cw || top > ch)
         return wxRect(0,0,0,0);
 
     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.SetBottom( wxMin(ch, bottom) );
+    resultRect.SetLeft( wxMax(0, left) );
+    resultRect.SetTop( wxMax(0, top) );
+    resultRect.SetRight( wxMin(cw, right) );
+    resultRect.SetBottom( wxMin(ch, bottom) );

 
 

-    return rect;
+    return resultRect;

 }
 
 }
 

+// ----------------------------------------------------------------------------
+// drop target
+// ----------------------------------------------------------------------------
+
+#if wxUSE_DRAG_AND_DROP
+
+// this allow setting drop target directly on wxGrid
+void wxGrid::SetDropTarget(wxDropTarget *dropTarget)
+{
+    GetGridWindow()->SetDropTarget(dropTarget);
+}
+
+#endif // wxUSE_DRAG_AND_DROP
+

 // ----------------------------------------------------------------------------
 // grid event classes
 // ----------------------------------------------------------------------------
 // ----------------------------------------------------------------------------
 // grid event classes
 // ----------------------------------------------------------------------------