[gtk+] Call gtk_widget_set_has_window for missing windowed widgets

[Timm Bäder <baedert src gnome org>]

commit c944bf73305ae900f7e944e54f390f624ba9d05f
Author: Timm Bäder <mail baedert org>
Date:   Sat Nov 12 08:39:35 2016 +0100

    Call gtk_widget_set_has_window for missing windowed widgets

 gtk/gtkdrawingarea.c   |    1 +
 gtk/gtklayout.c        |    2 ++
 gtk/gtktoolitemgroup.c |    1 +
 3 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkdrawingarea.c b/gtk/gtkdrawingarea.c
index 786cded..d9f3353 100644
--- a/gtk/gtkdrawingarea.c
+++ b/gtk/gtkdrawingarea.c
@@ -140,6 +140,7 @@ gtk_drawing_area_class_init (GtkDrawingAreaClass *class)
 static void
 gtk_drawing_area_init (GtkDrawingArea *darea)
 {
+  gtk_widget_set_has_window (GTK_WIDGET (darea), TRUE);
 }
 
 /**
diff --git a/gtk/gtklayout.c b/gtk/gtklayout.c
index fc87e25..28b72d0 100644
--- a/gtk/gtklayout.c
+++ b/gtk/gtklayout.c
@@ -747,6 +747,8 @@ gtk_layout_init (GtkLayout *layout)
 {
   GtkLayoutPrivate *priv;
 
+  gtk_widget_set_has_window (GTK_WIDGET (layout), TRUE);
+
   layout->priv = gtk_layout_get_instance_private (layout);
   priv = layout->priv;
 
diff --git a/gtk/gtktoolitemgroup.c b/gtk/gtktoolitemgroup.c
index b732897..ffdcd9a 100644
--- a/gtk/gtktoolitemgroup.c
+++ b/gtk/gtktoolitemgroup.c
@@ -393,6 +393,7 @@ gtk_tool_item_group_init (GtkToolItemGroup *group)
   GtkCssNode *widget_node;
 
   gtk_widget_set_redraw_on_allocate (GTK_WIDGET (group), FALSE);
+  gtk_widget_set_has_window (GTK_WIDGET (group), TRUE);
 
   group->priv = priv = gtk_tool_item_group_get_instance_private (group);