[gtk/wip/matthiasc/popup2: 43/51] baby steps towards not being a toplevel

[Matthias Clasen <matthiasc src gnome org>]

commit 3ec20f21498d9d2118c2c91d181126a243ef8633
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 17 14:13:11 2019 -0400

    baby steps towards not being a toplevel
    
    Set a parent for the widget, and set a transient parent for
    the surface.

 gtk/gtkpopup.c | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/gtk/gtkpopup.c b/gtk/gtkpopup.c
index 73f9e548ca..14e14e3938 100644
--- a/gtk/gtkpopup.c
+++ b/gtk/gtkpopup.c
@@ -237,6 +237,7 @@ gtk_popup_realize (GtkWidget *widget)
                             0, 10);
 #else
   priv->surface = gdk_surface_new_toplevel (priv->display, 20, 20);
+  gdk_surface_set_transient_for (priv->surface, gtk_widget_get_surface (priv->relative_to));
 #endif
 
   gtk_widget_set_surface (widget, priv->surface);
@@ -565,6 +566,7 @@ gtk_popup_set_relative_to (GtkPopup  *popup,
   priv->relative_to = relative_to;
   g_signal_connect (priv->relative_to, "size-allocate", G_CALLBACK (size_changed), popup);
   priv->display = gtk_widget_get_display (relative_to);
+  gtk_widget_set_parent (GTK_WIDGET (popup), relative_to);
 }
 
 static void