[gtk+] stack: Build stored render node with custom Snapshot object

[Benjamin Otte <otte src gnome org>]

commit 4668e6dc63490e992f0159358c76060a4e6f10bc
Author: Benjamin Otte <otte redhat com>
Date:   Thu Jan 12 22:49:53 2017 +0100

    stack: Build stored render node with custom Snapshot object
    
    This is in preparation for API changes in GtkSnapshot.

 gtk/gtkstack.c |   12 +++++++++---
 1 files changed, 9 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index b1448f2..0e4e463 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -2093,11 +2093,17 @@ gtk_stack_render (GtkCssGadget *gadget,
           if (priv->last_visible_node == NULL &&
               priv->last_visible_child != NULL)
             {
+              GtkSnapshot last_visible_snapshot;
+
               gtk_widget_get_allocation (priv->last_visible_child->widget,
                                          &priv->last_visible_surface_allocation);
-              gtk_snapshot_push (snapshot, FALSE, "StackCaptureLastVisibleChild");
-              gtk_widget_snapshot (priv->last_visible_child->widget, snapshot);
-              priv->last_visible_node = gtk_snapshot_pop (snapshot);
+              gtk_snapshot_init (&last_visible_snapshot,
+                                 gtk_snapshot_get_renderer (snapshot),
+                                 snapshot->record_names,
+                                 NULL,
+                                 "StackCaptureLastVisibleChild");
+              gtk_widget_snapshot (priv->last_visible_child->widget, &last_visible_snapshot);
+              priv->last_visible_node = gtk_snapshot_finish (&last_visible_snapshot);
             }
 
           gtk_snapshot_push_clip (snapshot,