CairoPacker draws outside of its widget allocation

This fixes fixes TimeInfoBox packing when the InfoBox position changes.

1 files changed, 11 insertions, 9 deletions

diff --git a/libs/gtkmm2ext/gtkmm2ext/cairo_packer.h b/libs/gtkmm2ext/gtkmm2ext/cairo_packer.h
index 74f61308a7..9a7cbcb700 100644
--- a/libs/gtkmm2ext/gtkmm2ext/cairo_packer.h
+++ b/libs/gtkmm2ext/gtkmm2ext/cairo_packer.h
@@ -7,38 +7,40 @@
 
 class LIBGTKMM2EXT_API CairoPacker
 {
-  public:
+public:
 	CairoPacker () {}
 	virtual ~CairoPacker () {}
 
-        virtual Gdk::Color get_bg () const = 0;
+	virtual Gdk::Color get_bg () const = 0;
 
-  protected:
+protected:
 	virtual void draw_background (Gtk::Widget&, GdkEventExpose*);
 };
 
 class LIBGTKMM2EXT_API CairoHPacker : public CairoPacker, public Gtk::HBox
 {
-  public:
+public:
 	CairoHPacker ();
 	~CairoHPacker() {}
 
-        Gdk::Color get_bg () const;
+	Gdk::Color get_bg () const;
 
 	bool on_expose_event (GdkEventExpose*);
-        void on_realize ();
+	void on_realize ();
+	void on_size_allocate (Gtk::Allocation& alloc);
 };
 
 class LIBGTKMM2EXT_API CairoVPacker : public CairoPacker, public Gtk::VBox
 {
-  public:
+public:
 	CairoVPacker ();
 	~CairoVPacker () {}
 
-        Gdk::Color get_bg () const;
+	Gdk::Color get_bg () const;
 
 	bool on_expose_event (GdkEventExpose*);
-        void on_realize ();
+	void on_realize ();
+	void on_size_allocate (Gtk::Allocation& alloc);
 };
 
 #endif /* __gtkmm2ext_cairo_packer_h__ */