Fix a number of mingw compile errors.

[wxWidgets.git] / src / gtk / dataview.cpp

diff --git a/src/gtk/dataview.cpp b/src/gtk/dataview.cpp
index 3bbb38b53b02d583cd602f0b3728c3e821df05b9..249abb706dc4ae6287a97372ff2ab099e571682f 100644 (file)
--- a/src/gtk/dataview.cpp
+++ b/src/gtk/dataview.cpp
@@ -231,7 +231,7 @@ public:
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );
     bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     bool ItemChanged( const wxDataViewItem &item );

-    bool ValueChanged( const wxDataViewItem &item, unsigned int col );
+    bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );

     bool Cleared();
     bool BeforeReset();
     bool AfterReset();
     bool Cleared();
     bool BeforeReset();
     bool AfterReset();


@@ -493,11 +493,11 @@ static void     wxgtk_tree_model_set_sort_func         (GtkTreeSortable       *s
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
                                                         gint                   sort_column_id,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,
 static void     wxgtk_tree_model_set_default_sort_func (GtkTreeSortable       *sortable,
                                                         GtkTreeIterCompareFunc func,
                                                         gpointer               data,

-                                                        GtkDestroyNotify       destroy);
+                                                        GDestroyNotify       destroy);

 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */
 static gboolean wxgtk_tree_model_has_default_sort_func (GtkTreeSortable       *sortable);
 
 /* drag'n'drop */


@@ -966,7 +966,7 @@ wxgtk_tree_model_set_sort_func (GtkTreeSortable        *sortable,
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),
                                 gint                    WXUNUSED(sort_column_id),
                                 GtkTreeIterCompareFunc  func,
                                 gpointer                WXUNUSED(data),

-                                GtkDestroyNotify        WXUNUSED(destroy))
+                                GDestroyNotify        WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);


@@ -976,7 +976,7 @@ static void
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),
 wxgtk_tree_model_set_default_sort_func (GtkTreeSortable          *sortable,
                                         GtkTreeIterCompareFunc    func,
                                         gpointer                  WXUNUSED(data),

-                                        GtkDestroyNotify          WXUNUSED(destroy))
+                                        GDestroyNotify          WXUNUSED(destroy))

 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);
 {
     g_return_if_fail (GTK_IS_WX_TREE_MODEL (sortable) );
     g_return_if_fail (func != NULL);


@@ -1333,8 +1333,10 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     wxSize size = cell->GetSize();
 
 
     wxSize size = cell->GetSize();
 

-    gint calc_width  = (gint) renderer->xpad * 2 + size.x;
-    gint calc_height = (gint) renderer->ypad * 2 + size.y;
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    int calc_width  = xpad * 2 + size.x;
+    int calc_height = ypad * 2 + size.y;

 
     if (x_offset)
         *x_offset = 0;
 
     if (x_offset)
         *x_offset = 0;


@@ -1343,17 +1345,17 @@ gtk_wx_cell_renderer_get_size (GtkCellRenderer *renderer,
 
     if (cell_area && size.x > 0 && size.y > 0)
     {
 
     if (cell_area && size.x > 0 && size.y > 0)
     {

+        float xalign, yalign;
+        gtk_cell_renderer_get_alignment(renderer, &xalign, &yalign);

         if (x_offset)
         {
         if (x_offset)
         {

-            *x_offset = (gint)((renderer->xalign *
-                               (cell_area->width - calc_width - 2 * renderer->xpad)));
-            *x_offset = MAX (*x_offset, 0) + renderer->xpad;
+            *x_offset = int(xalign * (cell_area->width - calc_width - 2 * xpad));
+            *x_offset = MAX(*x_offset, 0) + xpad;

         }
         if (y_offset)
         {
         }
         if (y_offset)
         {

-            *y_offset = (gint)((renderer->yalign *
-                               (cell_area->height - calc_height - 2 * renderer->ypad)));
-            *y_offset = MAX (*y_offset, 0) + renderer->ypad;
+            *y_offset = int(yalign * (cell_area->height - calc_height - 2 * ypad));
+            *y_offset = MAX(*y_offset, 0) + ypad;

         }
     }
 
         }
     }
 


@@ -1381,7 +1383,9 @@ gtk_wx_cell_renderer_render (GtkCellRenderer      *renderer,
                                background_area, expose_area, flags);
 
     wxRect rect(wxRectFromGDKRect(cell_area));
                                background_area, expose_area, flags);
 
     wxRect rect(wxRectFromGDKRect(cell_area));

-    rect = rect.Deflate(renderer->xpad, renderer->ypad);
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect = rect.Deflate(xpad, ypad);

 
     wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
     wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();
 
     wxWindowDC* dc = (wxWindowDC*) cell->GetDC();
     wxWindowDCImpl *impl = (wxWindowDCImpl *) dc->GetImpl();


@@ -1431,8 +1435,10 @@ gtk_wx_cell_renderer_activate(
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;
 
     rect.x += cell_area->x;
     rect.y += cell_area->y;

-    rect.width  -= renderer->xpad * 2;
-    rect.height -= renderer->ypad * 2;
+    int xpad, ypad;
+    gtk_cell_renderer_get_padding(renderer, &xpad, &ypad);
+    rect.width  -= xpad * 2;
+    rect.height -= ypad * 2;

 
     wxRect renderrect(wxRectFromGDKRect(&rect));
 
 
     wxRect renderrect(wxRectFromGDKRect(&rect));
 


@@ -1490,7 +1496,7 @@ public:
     virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemChanged( const wxDataViewItem &item );
     virtual bool ItemAdded( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemDeleted( const wxDataViewItem &parent, const wxDataViewItem &item );
     virtual bool ItemChanged( const wxDataViewItem &item );

-    virtual bool ValueChanged( const wxDataViewItem &item, unsigned int col );
+    virtual bool ValueChanged( const wxDataViewItem &item, unsigned int model_column );

     virtual bool Cleared();
     virtual void Resort();
     virtual bool BeforeReset();
     virtual bool Cleared();
     virtual void Resort();
     virtual bool BeforeReset();


@@ -1591,7 +1597,7 @@ bool wxGtkDataViewModelNotifier::ItemChanged( const wxDataViewItem &item )
     return true;
 }
 
     return true;
 }
 

-bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_col )
+bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsigned int model_column )

 {
     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
     wxDataViewCtrl *ctrl = m_internal->GetOwner();
 {
     GtkWxTreeModel *wxgtk_model = m_internal->GetGtkModel();
     wxDataViewCtrl *ctrl = m_internal->GetOwner();


@@ -1601,7 +1607,7 @@ bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsig
     for (index = 0; index < ctrl->GetColumnCount(); index++)
     {
         wxDataViewColumn *column = ctrl->GetColumn( index );
     for (index = 0; index < ctrl->GetColumnCount(); index++)
     {
         wxDataViewColumn *column = ctrl->GetColumn( index );

-        if (column->GetModelColumn() == model_col)
+        if (column->GetModelColumn() == model_column)

         {
             GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());
         {
             GtkTreeView *widget = GTK_TREE_VIEW(ctrl->GtkGetTreeView());
             GtkTreeViewColumn *gcolumn = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());


@@ -1624,7 +1630,7 @@ bool wxGtkDataViewModelNotifier::ValueChanged( const wxDataViewItem &item, unsig
             gtk_widget_queue_draw_area( GTK_WIDGET(widget),
                 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
 
             gtk_widget_queue_draw_area( GTK_WIDGET(widget),
                 cell_area.x - xdiff, ydiff + cell_area.y, cell_area.width, cell_area.height );
 

-            m_internal->ValueChanged( item, model_col );
+            m_internal->ValueChanged( item, model_column );

 
             return true;
         }
 
             return true;
         }


@@ -1777,6 +1783,8 @@ void wxDataViewRenderer::SetMode( wxDataViewCellMode mode )
             return;
     }
 
             return;
     }
 

+    m_mode = mode;
+    

     // This value is most often ignored in GtkTreeView
     GValue gvalue = { 0, };
     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );
     // This value is most often ignored in GtkTreeView
     GValue gvalue = { 0, };
     g_value_init( &gvalue, gtk_cell_renderer_mode_get_type() );


@@ -2301,7 +2309,7 @@ public:
 
         m_context = window->GTKGetPangoDefaultContext();
         m_layout = pango_layout_new( m_context );
 
         m_context = window->GTKGetPangoDefaultContext();
         m_layout = pango_layout_new( m_context );

-        m_fontdesc = pango_font_description_copy( widget->style->font_desc );
+        m_fontdesc = pango_font_description_copy(gtk_widget_get_style(widget)->font_desc);

 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 
 
         m_cmap = gtk_widget_get_colormap( widget ? widget : window->m_widget );
 


@@ -2347,6 +2355,7 @@ GtkCellRendererText *wxDataViewCustomRenderer::GtkGetTextRenderer() const
         // we create it on demand so need to do it even from a const function
         const_cast<wxDataViewCustomRenderer *>(this)->
         m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());
         // we create it on demand so need to do it even from a const function
         const_cast<wxDataViewCustomRenderer *>(this)->
         m_text_renderer = GTK_CELL_RENDERER_TEXT(gtk_cell_renderer_text_new());

+        g_object_ref_sink(m_text_renderer);

     }
 
     return m_text_renderer;
     }
 
     return m_text_renderer;


@@ -2404,7 +2413,7 @@ wxDataViewCustomRenderer::~wxDataViewCustomRenderer()
         delete m_dc;
 
     if (m_text_renderer)
         delete m_dc;
 
     if (m_text_renderer)

-        gtk_object_sink( GTK_OBJECT(m_text_renderer) );
+        g_object_unref(m_text_renderer);

 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()
 }
 
 wxDC *wxDataViewCustomRenderer::GetDC()


@@ -2756,7 +2765,7 @@ wxSize wxDataViewDateRenderer::GetSize() const
     return wxSize(x,y+d);
 }
 
     return wxSize(x,y+d);
 }
 

-bool wxDataViewDateRenderer::Activate( wxRect WXUNUSED(cell), wxDataViewModel *model,
+bool wxDataViewDateRenderer::Activate( const wxRect& WXUNUSED(cell), wxDataViewModel *model,

                                        const wxDataViewItem &item, unsigned int col )
 {
     wxVariant variant;
                                        const wxDataViewItem &item, unsigned int col )
 {
     wxVariant variant;


@@ -2930,6 +2939,22 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
 
     cell->SetValue( value );
 
 
     cell->SetValue( value );
 

+    // deal with disabled items
+    bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn() );
+
+    // a) this sets the appearance to disabled grey    
+    GValue gvalue = { 0, };
+    g_value_init( &gvalue, G_TYPE_BOOLEAN );
+    g_value_set_boolean( &gvalue, enabled );
+    g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
+    g_value_unset( &gvalue );
+
+    // b) this actually disables the control/renderer
+    if (enabled)
+        cell->SetMode( cell->GtkGetMode() );
+    else
+        cell->SetMode( wxDATAVIEW_CELL_INERT );
+        

 
     // deal with attributes: if the renderer doesn't support them at all, we
     // don't even need to query the model for them
 
     // deal with attributes: if the renderer doesn't support them at all, we
     // don't even need to query the model for them


@@ -2947,18 +2972,6 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
     // else: no custom attributes specified and we're already using the default
     //       ones -- nothing to do
     
     // else: no custom attributes specified and we're already using the default
     //       ones -- nothing to do
     

-    // deal with disabled items
-    bool enabled = wx_model->IsEnabled( item, cell->GetOwner()->GetModelColumn());
-    GValue gvalue = { 0, };
-    g_value_init( &gvalue, G_TYPE_BOOLEAN );
-    g_value_set_boolean( &gvalue, enabled );
-    g_object_set_property( G_OBJECT(renderer), "sensitive", &gvalue );
-    g_value_unset( &gvalue );
-
-    if (enabled)
-        cell->SetMode( cell->GtkGetMode() );
-    else
-        cell->SetMode( wxDATAVIEW_CELL_INERT );

 }
 
 } // extern "C"
 }
 
 } // extern "C"


@@ -3022,7 +3035,7 @@ void wxDataViewColumn::OnInternalIdle()
     if (m_isConnected)
         return;
 
     if (m_isConnected)
         return;
 

-    if (GTK_WIDGET_REALIZED(GetOwner()->m_treeview))
+    if (gtk_widget_get_realized(GetOwner()->m_treeview))

     {
         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
         if (column->button)
     {
         GtkTreeViewColumn *column = GTK_TREE_VIEW_COLUMN(m_column);
         if (column->button)


@@ -3101,9 +3114,9 @@ void wxDataViewColumn::SetHidden( bool hidden )
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 
     gtk_tree_view_column_set_visible( GTK_TREE_VIEW_COLUMN(m_column), !hidden );
 }
 

-void wxDataViewColumn::SetResizeable( bool resizeable )
+void wxDataViewColumn::SetResizeable( bool resizable )

 {
 {

-    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizeable );
+    gtk_tree_view_column_set_resizable( GTK_TREE_VIEW_COLUMN(m_column), resizable );

 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )
 }
 
 void wxDataViewColumn::SetAlignment( wxAlignment align )


@@ -3559,21 +3572,22 @@ gboolean wxDataViewCtrlInternal::drag_data_get( GtkTreeDragSource *WXUNUSED(drag
     if ( !item )
         return FALSE;
 
     if ( !item )
         return FALSE;
 

-    if (!m_dragDataObject->IsSupported( selection_data->target ))
+    GdkAtom target = gtk_selection_data_get_target(selection_data);
+    if (!m_dragDataObject->IsSupported(target))

         return FALSE;
 
         return FALSE;
 

-    size_t size = m_dragDataObject->GetDataSize( selection_data->target );
+    size_t size = m_dragDataObject->GetDataSize(target);

     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;
     if (size == 0)
         return FALSE;
 
     void *buf = malloc( size );
 
     gboolean res = FALSE;

-    if (m_dragDataObject->GetDataHere( selection_data->target, buf ))
+    if (m_dragDataObject->GetDataHere(target, buf))

     {
         res = TRUE;
 
     {
         res = TRUE;
 

-        gtk_selection_data_set( selection_data, selection_data->target,
+        gtk_selection_data_set(selection_data, target,

             8, (const guchar*) buf, size );
     }
 
             8, (const guchar*) buf, size );
     }
 


@@ -3595,9 +3609,9 @@ wxDataViewCtrlInternal::drag_data_received(GtkTreeDragDest *WXUNUSED(drag_dest),
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );

-    event.SetDataFormat( selection_data->target );
-    event.SetDataSize( selection_data->length );
-    event.SetDataBuffer( selection_data->data );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));
+    event.SetDataSize(gtk_selection_data_get_length(selection_data));
+    event.SetDataBuffer(const_cast<guchar*>(gtk_selection_data_get_data(selection_data)));

     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3620,7 +3634,7 @@ wxDataViewCtrlInternal::row_drop_possible(GtkTreeDragDest *WXUNUSED(drag_dest),
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );
     event.SetEventObject( m_owner );
     event.SetItem( item );
     event.SetModel( m_wx_model );

-    event.SetDataFormat( selection_data->target );
+    event.SetDataFormat(gtk_selection_data_get_target(selection_data));

     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 
     if (!m_owner->HandleWindowEvent( event ))
         return FALSE;
 


@@ -3701,13 +3715,13 @@ bool wxDataViewCtrlInternal::ItemChanged( const wxDataViewItem &item )
     return true;
 }
 
     return true;
 }
 

-bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int col )
+bool wxDataViewCtrlInternal::ValueChanged( const wxDataViewItem &item, unsigned int view_column )

 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetModel( m_owner->GetModel() );
 {
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_ITEM_VALUE_CHANGED, m_owner->GetId() );
     event.SetEventObject( m_owner );
     event.SetModel( m_owner->GetModel() );

-    event.SetColumn( col );
-    event.SetDataViewColumn( GetOwner()->GetColumn(col) );
+    event.SetColumn( view_column );
+    event.SetDataViewColumn( GetOwner()->GetColumn(view_column) );

     event.SetItem( item );
     m_owner->HandleWindowEvent( event );
 
     event.SetItem( item );
     m_owner->HandleWindowEvent( event );
 


@@ -4238,7 +4252,7 @@ wxGtkTreeModelNode *wxDataViewCtrlInternal::FindParentNode( const wxDataViewItem
 static void
 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
 {
 static void
 wxdataview_selection_changed_callback( GtkTreeSelection* WXUNUSED(selection), wxDataViewCtrl *dv )
 {

-    if (!GTK_WIDGET_REALIZED(dv->m_widget))
+    if (!gtk_widget_get_realized(dv->m_widget))

         return;
 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );
         return;
 
     wxDataViewEvent event( wxEVT_COMMAND_DATAVIEW_SELECTION_CHANGED, dv->GetId() );


@@ -4320,7 +4334,7 @@ void wxDataViewCtrl::AddChildGTK(wxWindowGTK* child)
     GtkWidget* treeview = GtkGetTreeView();
 
     // Insert widget in GtkTreeView
     GtkWidget* treeview = GtkGetTreeView();
 
     // Insert widget in GtkTreeView

-    if (GTK_WIDGET_REALIZED(treeview))
+    if (gtk_widget_get_realized(treeview))

         gtk_widget_set_parent_window( child->m_widget,
           gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
     gtk_widget_set_parent( child->m_widget, treeview );
         gtk_widget_set_parent_window( child->m_widget,
           gtk_tree_view_get_bin_window( GTK_TREE_VIEW(treeview) ) );
     gtk_widget_set_parent( child->m_widget, treeview );


@@ -4433,6 +4447,22 @@ IMPLEMENT_DYNAMIC_CLASS(wxDataViewCtrl, wxDataViewCtrlBase)
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {
 
 wxDataViewCtrl::~wxDataViewCtrl()
 {

+    // Stop editing before destroying the control to remove any event handlers
+    // which are added when editing started: if we didn't do this, the base
+    // class dtor would assert as it checks for any leftover handlers.
+    if ( m_treeview )
+    {
+        GtkTreeViewColumn *col;
+        gtk_tree_view_get_cursor(GTK_TREE_VIEW(m_treeview), NULL, &col);
+
+        wxDataViewColumn * const wxcol = FromGTKColumn(col);
+        if ( wxcol )
+        {
+            // This won't do anything if we're not editing it
+            wxcol->GetRenderer()->CancelEditing();
+        }
+    }
+

     m_cols.Clear();
 
     delete m_internal;
     m_cols.Clear();
 
     delete m_internal;


@@ -4675,10 +4705,9 @@ unsigned int wxDataViewCtrl::GetColumnCount() const
     return m_cols.GetCount();
 }
 
     return m_cols.GetCount();
 }
 

-wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+wxDataViewColumn* wxDataViewCtrl::FromGTKColumn(GtkTreeViewColumn *gtk_col) const

 {
 {

-    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
-    if (!gtk_col)
+    if ( !gtk_col )

         return NULL;
 
     wxDataViewColumnList::const_iterator iter;
         return NULL;
 
     wxDataViewColumnList::const_iterator iter;


@@ -4691,9 +4720,18 @@ wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
         }
     }
 
         }
     }
 

+    wxFAIL_MSG( "No matching column?" );
+

     return NULL;
 }
 
     return NULL;
 }
 

+wxDataViewColumn* wxDataViewCtrl::GetColumn( unsigned int pos ) const
+{
+    GtkTreeViewColumn *gtk_col = gtk_tree_view_get_column( GTK_TREE_VIEW(m_treeview), pos );
+
+    return FromGTKColumn(gtk_col);
+}
+

 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),
 bool wxDataViewCtrl::DeleteColumn( wxDataViewColumn *column )
 {
     gtk_tree_view_remove_column( GTK_TREE_VIEW(m_treeview),


@@ -4721,7 +4759,7 @@ bool wxDataViewCtrl::ClearColumns()
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {
 
 int wxDataViewCtrl::GetColumnPosition( const wxDataViewColumn *column ) const
 {

-    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetConstGtkHandle());
+    GtkTreeViewColumn *gtk_column = GTK_TREE_VIEW_COLUMN(column->GetGtkHandle());

 
     GList *list = gtk_tree_view_get_columns( GTK_TREE_VIEW(m_treeview) );
 
 
     GList *list = gtk_tree_view_get_columns( GTK_TREE_VIEW(m_treeview) );