From 6bb8da5564d8403882035d037d4938a266e85c97 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Thu, 21 Jan 2016 01:44:47 +0100
Subject: [PATCH] stack: Clip animation drawing

We use cairo_paint() when doing that and we don't want to overdraw the
content area.
---
 gtk/gtkstack.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index f7654090ee..2effc1f906 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -2148,6 +2148,12 @@ gtk_stack_render (GtkCssGadget *gadget,
               cairo_destroy (pattern_cr);
             }
 
+          cairo_rectangle (cr,
+                           0, 0,
+                           gtk_widget_get_allocated_width (widget),
+                           gtk_widget_get_allocated_height (widget));
+          cairo_clip (cr);
+
           switch (priv->active_transition_type)
             {
             case GTK_STACK_TRANSITION_TYPE_CROSSFADE: