Merge branch 'donovan6000_wxdataviewitem_fix' of https://github.com/donovan6000/wxWidgets

Render disabled items as greyed out in wxDataViewCtrl.

See https://github.com/wxWidgets/wxWidgets/pull/1277

src/common/datavcmn.cpp

@@ -1067,7 +1067,7 @@ wxDataViewCustomRendererBase::RenderText(const wxString& text,
     int flags = 0;
     if ( state & wxDATAVIEW_CELL_SELECTED )
         flags |= wxCONTROL_SELECTED;
-    if ( !GetOwner()->GetOwner()->IsEnabled() )
+    if ( !(GetOwner()->GetOwner()->IsEnabled() && GetEnabled()) )
         flags |= wxCONTROL_DISABLED;
 
     // Notice that we intentionally don't use any alignment here: it is not

src/generic/datavgen.cpp

@@ -1298,7 +1298,7 @@ bool wxDataViewToggleRenderer::Render( wxRect cell, wxDC *dc, int WXUNUSED(state
     if (m_toggle)
         flags |= wxCONTROL_CHECKED;
     if (GetMode() != wxDATAVIEW_CELL_ACTIVATABLE ||
-        GetEnabled() == false)
+        !(GetOwner()->GetOwner()->IsEnabled() && GetEnabled()))
         flags |= wxCONTROL_DISABLED;
 
     // Ensure that the check boxes always have at least the minimal required