+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;
+ }
+
+ // Did the event emitter tell us where the last focus was?
+ // wxGTK does this in wxWindow, but wxMSW does not. It is
+ // also done in wxPanel if the event is propagated up.
+ wxWindow *winFocus = event.GetCurrentFocus();
+
+ // Do we know where the focus was ourselves, then?
+ if (!winFocus)
+ winFocus = m_winLastFocused;
+
+ 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 )
+ {
+ // 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();
+}
+
+
+void wxPanel::OnSize(wxSizeEvent& WXUNUSED(event))
+{
+#if wxUSE_CONSTRAINTS
+ if (GetAutoLayout())
+ Layout();
+#endif
+}
+
+void wxPanel::SetFocus()
+{
+ // If the panel gets the focus *by way of getting it set directly*
+ // we move the focus to the first window that can get it.
+
+ wxNode *node = GetChildren().First();
+ while (node)
+ {
+ wxWindow *child = (wxWindow*) node->Data();
+ if (child->AcceptsFocus())
+ {
+ m_winLastFocused = child; // should be redundant, but it is not
+ child->SetFocus();
+ return;
+ }
+ node = node->Next();
+ }
+
+ m_winLastFocused = (wxWindow*) NULL;
+
+ wxWindow::SetFocus();
+}
+
+void wxPanel::OnFocus(wxFocusEvent& event)
+{
+ // If the panel gets the focus *by way of getting clicked on*
+ // we move the focus to either the last window that had the
+ // focus or the first one that can get it.
+
+ if (m_winLastFocused)
+ {
+ // It might happen that the window got reparented or no longer
+ // accepts the focus.
+ if ((m_winLastFocused->GetParent() == this) &&
+ (m_winLastFocused->AcceptsFocus()))
+ {
+ m_winLastFocused->SetFocus();
+ return;
+ }
+ }
+
+ wxNode *node = GetChildren().First();
+ while (node)
+ {
+ wxWindow *child = (wxWindow*) node->Data();
+ if (child->AcceptsFocus())
+ {
+ m_winLastFocused = child; // should be redundant, but it is not
+ child->SetFocus();
+ return;
+ }
+ node = node->Next();
+ }
+
+ m_winLastFocused = (wxWindow*) NULL;
+
+ event.Skip();
+}
projects / wxWidgets.git / blobdiff