Fixed focus event problems with control derived

from wxScrolledWindow.
  If wxTreeCtrl has no +/. button, toggle branch,
    otherwise send activate event upon double-click.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11432 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk1/scrolwin.cpp

@@ -298,6 +298,8 @@ bool wxScrolledWindow::Create(wxWindow *parent,
 
     if (m_parent)
         m_parent->DoAddChild( this );
+        
+    m_focusWidget = m_wxwindow;
 
     PostCreation();