void wxControlContainer::SetLastFocus(wxWindow *win)
{
- // find the last _immediate_ child which got focus
- while ( win )
+ // if we're setting the focus
+ if ( win )
{
- wxWindow *parent = win->GetParent();
- if ( parent == m_winParent )
- break;
+ // find the last _immediate_ child which got focus but be prepared to
+ // handle the case when win == m_winParent as well
+ wxWindow *winParent = win;
+ while ( winParent != m_winParent )
+ {
+ win = winParent;
+ winParent = win->GetParent();
- win = parent;
- }
+ // Yes, this can happen, though in a totally pathological case.
+ // like when detaching a menubar from a frame with a child which
+ // has pushed itself as an event handler for the menubar. (wxGtk)
- wxASSERT_MSG( win, _T("attempt to set last focus to not a child?") );
+ wxASSERT_MSG( winParent, _T("Setting last-focus for a window that is not our child?") );
+ }
+ }
m_winLastFocused = win;
}
// focus handling
// ----------------------------------------------------------------------------
-void wxControlContainer::DoSetFocus()
+bool wxControlContainer::DoSetFocus()
{
wxLogTrace(_T("focus"), _T("SetFocus on wxPanel 0x%08x."),
m_winParent->GetHandle());
//
// RR: Removed for now. Let's see what happens..
- if ( !SetFocusToChild() )
+ // if our child already has focus, don't take it away from it
+ wxWindow *win = wxWindow::FindFocus();
+ while ( win )
{
- m_winParent->SetFocus();
+ if ( win == m_winParent )
+ return TRUE;
+
+ if ( win->IsTopLevel() )
+ {
+ // don't look beyond the first top level parent - useless and
+ // unnecessary
+ break;
+ }
+
+ win = win->GetParent();
}
+
+ return SetFocusToChild();
}
void wxControlContainer::HandleOnFocus(wxFocusEvent& event)