sample/misc/tooltips.rb in gtk3-3.3.0 vs sample/misc/tooltips.rb in gtk3-3.3.1

@@ -171,12 +171,11 @@
                Rectangle.new(200, 170, 1.0, 0.0, 0.0, "Red thing"),
                Rectangle.new(100, 50, 0.8, 0.8, 0.0, "Yellow thing") ]
 drawingarea = Gtk::DrawingArea.new
 drawingarea.set_size_request(320, 240)
 drawingarea.has_tooltip = true
-drawingarea.signal_connect('draw') {
-  cr = drawingarea.window.create_cairo_context
+drawingarea.signal_connect('draw') do |_widget, cr|
   cr.rectangle(0, 0, drawingarea.allocation.width, drawingarea.allocation.height)
   cr.set_source_rgb(1.0, 1.0, 1.0)
   cr.fill
   rectangles.each { |r|
     cr.rectangle(r.x, r.y, 50, 50)
@@ -184,10 +183,10 @@
     cr.stroke
     cr.rectangle(r.x, r.y, 50, 50)
     cr.set_source_rgba(r.r, r.g, r.b, 0.5)
     cr.fill
   }
-}
+end
 drawingarea.signal_connect('query-tooltip') { |widget, x, y, keyboard_tip, tooltip|
   drawingarea_query_tooltip(keyboard_tip, x, y, tooltip, rectangles)
 }
 box.pack_start(drawingarea, :expand => false, :fill => false, :padding => 2)