-
- 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 )
- {
- // Have we come to the last or first item on the panel?
- 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_parent = this;
- for ( wxWindow *parent = GetParent(); parent; parent = parent->GetParent() )
- {
- // we don't want to tab into a different dialog or frame
- if ( focussed_child_of_parent->IsTopLevel() )
- break;
-
- // is the parent a panel?
- wxPanel *panel = wxDynamicCast(parent, wxPanel);
- if (panel)
- {
- event.SetCurrentFocus( focussed_child_of_parent );
- if (parent->GetEventHandler()->ProcessEvent( event ))
- return;
- }
-
- focussed_child_of_parent = parent;
- }
-
- // 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() )
- {
- m_winLastFocused = child; // should be redundant, but it is not
- 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();