+void wxPanel::OnNavigationKey( wxNavigationKeyEvent& event )
+{
+ // there is not much to do if we have only one child (or not at all)
+ if (GetChildren().GetCount() < 2)
+ {
+ event.Skip();
+ return;
+ }
+
+ // don't process these ones here
+ if (event.IsWindowChange())
+ {
+ event.Skip();
+ return;
+ }
+
+ wxWindow *winFocus = event.GetCurrentFocus();
+ if (!winFocus)
+ winFocus = wxWindow::FindFocus();
+
+ if (!winFocus)
+ {
+ event.Skip();
+ return;
+ }
+
+ wxWindowList::Node *start_node = GetChildren().Find( winFocus );
+ if ( !start_node )
+ start_node = GetChildren().Find( m_winLastFocused );
+ if ( !start_node )
+ start_node = GetChildren().GetFirst();
+
+ wxWindowList::Node *node = event.GetDirection() ? start_node->GetNext()
+ : start_node->GetPrevious();
+
+ while ( node != start_node )
+ {
+ if ( !node )
+ {
+ // check if our (may be grand) parent is another panel: if this is
+ // the case, they will know what to do with this navigation key and
+ // so give them the chance to process it instead of looping inside
+ // this panel (normally, the focus will go to the next/previous
+ // item after this panel in the parent panel)
+ wxWindow *focussed_child_of_p = this;
+ for ( wxWindow *p = GetParent(); p; p = p->GetParent() )
+ {
+ // we don't want to tab into a different dialog or frame
+ if ( focussed_child_of_p->IsTopLevel() )
+ break;
+
+ if ( wxDynamicCast(p, wxPanel) )
+ {
+ event.SetCurrentFocus( focussed_child_of_p );
+ if (p->GetEventHandler()->ProcessEvent( event ))
+ return;
+ }
+ focussed_child_of_p = p;
+ }
+
+ // no, we are not inside another panel so process this ourself
+ node = event.GetDirection() ? GetChildren().GetFirst()
+ : GetChildren().GetLast();
+
+ continue;
+ }
+
+ wxWindow *child = node->GetData();
+
+ if ( child->AcceptsFocus() )
+ {
+ // ok, event processed
+ child->SetFocus();
+ return;
+ }
+
+ node = event.GetDirection() ? node->GetNext() : node->GetPrevious();
+ }
+
+ // we cycled through all of our children and none of them wanted to accept
+ // focus
+ event.Skip();
+}
+
+void wxPanel::OnFocus(wxFocusEvent& event)
+{
+ if ( m_winLastFocused )
+ {
+ // it might happen that the window got reparented...
+ if ( m_winLastFocused->GetParent() != this )
+ m_winLastFocused = (wxWindow *)NULL;
+ else
+ m_winLastFocused->SetFocus();
+ }
+ else
+ event.Skip();
+}