[gtk+/wip/baedert/gtk-widget-destroy: 7/10] gtkswitch: Explicitly destroy toplevel

[Timm Bäder <baedert src gnome org>]

commit 76f1ec7c2a00faa2fd1b05ed287c349a6da84cbe
Author: Timm Bäder <mail baedert org>
Date:   Tue Sep 26 12:57:21 2017 +0200

    gtkswitch: Explicitly destroy toplevel

 tests/testswitch.c |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/tests/testswitch.c b/tests/testswitch.c
index 4c80d36..00f53fc 100644
--- a/tests/testswitch.c
+++ b/tests/testswitch.c
@@ -147,6 +147,16 @@ make_delayed_switch (gboolean is_on,
   return hbox;
 }
 
+static void
+destroy_and_quit (GtkWidget *widget,
+                  GdkEvent  *event,
+                  gpointer   user_data)
+{
+  g_message ("%s: %d", __FUNCTION__, G_OBJECT (widget)->ref_count);
+  gtk_window_destroy (GTK_WINDOW (widget));
+  gtk_main_quit ();
+}
+
 int main (int argc, char *argv[])
 {
   GtkWidget *window;
@@ -184,6 +194,7 @@ int main (int argc, char *argv[])
   gtk_container_add (GTK_CONTAINER (vbox), hbox);
   gtk_widget_show (hbox);
 
+  g_signal_connect (window, "delete-event", G_CALLBACK (destroy_and_quit), NULL);
   gtk_main ();
 
   return EXIT_SUCCESS;