[gtk+] scalebutton: Apply a shape on the popover

[Carlos Garnacho <carlosg src gnome org>]

commit 6e88f1bcb000d78c62cc75d4f65362319a77fbcc
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Feb 4 20:46:06 2014 +0100

    scalebutton: Apply a shape on the popover
    
    This hideous hack is necessary so far because the main users of
    GtkScaleButton are also clutter users, so the GtkScaleButton popover
    will be very likely shaped against a clutter-enabled native window.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=723556

 gtk/gtkscalebutton.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkscalebutton.c b/gtk/gtkscalebutton.c
index e6de42e..d1bd058 100644
--- a/gtk/gtkscalebutton.c
+++ b/gtk/gtkscalebutton.c
@@ -57,6 +57,7 @@
 #include "gtktypebuiltins.h"
 #include "gtkintl.h"
 #include "a11y/gtkscalebuttonaccessible.h"
+#include "gtkpopoverprivate.h"
 
 /**
  * SECTION:gtkscalebutton
@@ -356,6 +357,9 @@ gtk_scale_button_init (GtkScaleButton *button)
   gtk_widget_init_template (GTK_WIDGET (button));
   gtk_popover_set_relative_to (GTK_POPOVER (priv->dock), GTK_WIDGET (button));
 
+  /* FIXME: to be removed when compositing over native windows is fixed */
+  _gtk_popover_set_apply_shape (GTK_POPOVER (priv->dock), TRUE);
+
   /* Need a local reference to the adjustment */
   g_object_ref (priv->adjustment);