Various changes for simplification of focus event

code in wxGTK. It will also work for wxComboBox
    now, but not for GTK's other composite controls
    such as wxListBox and wxChoice.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11414 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/combobox.cpp

@@ -154,6 +154,8 @@ bool wxComboBox::Create( wxWindow *parent, wxWindowID id, const wxString& value,
     }
 
     m_parent->DoAddChild( this );
+    
+    m_focusWidget = GTK_COMBO(m_widget)->entry;
 
     PostCreation();