[gtkmm-documentation] EventBox example: Make it possible to clip the label

[Kjell Ahlstedt <kjellahl src gnome org>]

commit 896737793d76a07945bb309c9fe901fd584b9221
Author: Kjell Ahlstedt <kjell ahlstedt bredband net>
Date:   Fri Nov 22 10:21:15 2013 +0100

    EventBox example: Make it possible to clip the label
    
    * examples/book/eventbox/examplewindow.cc: Allow ellipsizing the label.
    Perhaps the only way to clip a label in gtk+ 3.

 examples/book/eventbox/examplewindow.cc |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/examples/book/eventbox/examplewindow.cc b/examples/book/eventbox/examplewindow.cc
index b5f001e..6ff0270 100644
--- a/examples/book/eventbox/examplewindow.cc
+++ b/examples/book/eventbox/examplewindow.cc
@@ -29,7 +29,9 @@ ExampleWindow::ExampleWindow()
   m_EventBox.add(m_Label);
 
   //Clip the label short:
+  set_default_size(110, 20);
   m_Label.set_size_request(110, 20);
+  m_Label.set_ellipsize(Pango::ELLIPSIZE_END);
 
   //And bind an action to it:
   m_EventBox.set_events(Gdk::BUTTON_PRESS_MASK);