- if ( event.IsWindowChange() ) {
- // change pages
- AdvanceSelection(event.GetDirection());
- }
- else {
- // pass to the parent
- if ( GetParent() ) {
- event.SetCurrentFocus(this);
- GetParent()->GetEventHandler()->ProcessEvent(event);
+ if ( event.IsWindowChange() ) {
+ // change pages
+ AdvanceSelection(event.GetDirection());
+ }
+ else {
+ // we get this event in 2 cases
+ //
+ // a) one of our pages might have generated it because the user TABbed
+ // out from it in which case we should propagate the event upwards and
+ // our parent will take care of setting the focus to prev/next sibling
+ //
+ // or
+ //
+ // b) the parent panel wants to give the focus to us so that we
+ // forward it to our selected page. We can't deal with this in
+ // OnSetFocus() because we don't know which direction the focus came
+ // from in this case and so can't choose between setting the focus to
+ // first or last panel child
+
+ wxWindow *parent = GetParent();
+ if ( event.GetEventObject() == parent )
+ {
+ // no, it doesn't come from child, case (b): forward to a page
+ if ( m_nSelection != -1 )
+ {
+ // so that the page knows that the event comes from it's parent
+ // and is being propagated downwards
+ event.SetEventObject(this);
+
+ wxWindow *page = m_pages[m_nSelection];
+ if ( !page->GetEventHandler()->ProcessEvent(event) )
+ {
+ page->SetFocus();
+ }
+ //else: page manages focus inside it itself
+ }
+ else
+ {
+ // we have no pages - still have to give focus to _something_
+ SetFocus();
+ }
+ }
+ else
+ {
+ // it comes from our child, case (a), pass to the parent
+ if ( parent ) {
+ event.SetCurrentFocus(this);
+ parent->GetEventHandler()->ProcessEvent(event);
+ }
+ }
projects / wxWidgets.git / blobdiff