previewer: Destroy window on quit to use same exit path

When the Quit button was clicked, the main loop was being quit
immediately without destroying the window. This makes sure the window is
destroyed like when it's deleted so the same cleanup code is exercised.

1 files changed, 2 insertions, 1 deletions

diff --git a/test/previewer.c b/test/previewer.c
index 3690357..a18c83c 100644
--- a/test/previewer.c
+++ b/test/previewer.c
@@ -152,7 +152,8 @@ main(int argc, char *argv[])
         gtk_container_add(GTK_CONTAINER(window), box);
         button = gtk_button_new_with_label("Quit");
         gtk_box_pack_end(GTK_BOX(box), button, FALSE, FALSE, 0);
-        g_signal_connect(button, "clicked", G_CALLBACK(gtk_main_quit), NULL);
+        g_signal_connect_swapped(button, "clicked",
+                                 G_CALLBACK(gtk_widget_destroy), window);
 
         /* create a socket to embed the viewer in */
         socket = gtk_socket_new();