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

diff --git a/gtk/gtkscalebutton.c b/gtk/gtkscalebutton.c
index e6de42ea955d5888c0db8dda4363a2982cf94736..d1bd058bf4127c4027eaaefe663b698eb14f1d9a 100644 (file)
--- 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);