[gtk/drag-icon: 5/7] container: Be more careful with roots

[Matthias Clasen <matthiasc src gnome org>]

commit 538efd0cc6aaace3e48fe0e3acd838ba36d372f5
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 30 00:26:39 2019 -0500

    container: Be more careful with roots
    
    We were warning if we hit non-container
    roots. Instead, call suitable naive api.

 gtk/gtkcontainer.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkcontainer.c b/gtk/gtkcontainer.c
index bbc6968bdf..f3813f2b9d 100644
--- a/gtk/gtkcontainer.c
+++ b/gtk/gtkcontainer.c
@@ -36,7 +36,8 @@
 #include "gtkstylecontextprivate.h"
 #include "gtktypebuiltins.h"
 #include "gtkwidgetprivate.h"
-//#include "gtkwindowprivate.h"
+#include "gtknative.h"
+#include "gtkroot.h"
 
 #include "a11y/gtkcontaineraccessibleprivate.h"
 
@@ -376,8 +377,10 @@ gtk_container_idle_sizer (GdkFrameClock *clock,
     {
       if (GTK_IS_WINDOW (container))
         gtk_window_check_resize (GTK_WINDOW (container));
+      else if (GTK_IS_ROOT (container))
+        gtk_native_check_resize (GTK_NATIVE (container));
       else
-        g_warning ("gtk_container_idle_sizer() called on a non-window");
+        g_warning ("gtk_container_idle_sizer() called on a non-native non-window");
     }
 
   if (!gtk_container_needs_idle_sizer (container))