[four-in-a-row/gnome-3-14] Disallow multiple windows (nonsense behavior)

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 1ed471411f1e1faedf1da4e696ae44ba7c5aa198
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Sep 25 17:56:02 2014 -0500

    Disallow multiple windows (nonsense behavior)

 src/main.c |   25 ++++++++++++++-----------
 1 files changed, 14 insertions(+), 11 deletions(-)
---
diff --git a/src/main.c b/src/main.c
index b89608c..5f9fed2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1267,19 +1267,21 @@ create_app (void)
   g_simple_action_set_enabled (G_SIMPLE_ACTION (hint_action), FALSE);
   g_simple_action_set_enabled (G_SIMPLE_ACTION (undo_action), FALSE);
 
-  gtk_widget_show_all (window);
-
-  gfx_refresh_pixmaps ();
-  gfx_draw_all ();
-
-  scorebox_update ();          /* update visible player descriptions */
-  prompt_player ();
-
-  game_reset ();
   return TRUE;
 }
 
-
+static void
+activate (void)
+{
+  if (!gtk_widget_is_visible (window)) {
+    gtk_widget_show_all (window);
+    gfx_refresh_pixmaps ();
+    gfx_draw_all ();
+    scorebox_update ();                /* update visible player descriptions */
+    prompt_player ();
+    game_reset ();
+  }
+}
 
 int
 main (int argc, char *argv[])
@@ -1295,7 +1297,8 @@ main (int argc, char *argv[])
   textdomain (GETTEXT_PACKAGE);
 
   application = gtk_application_new ("org.gnome.four-in-a-row", 0);
-  g_signal_connect (application, "activate", G_CALLBACK (create_app), NULL);
+  g_signal_connect (application, "startup", G_CALLBACK (create_app), NULL);
+  g_signal_connect (application, "activate", G_CALLBACK (activate), NULL);
 
   context = g_option_context_new (NULL);
   g_option_context_add_group (context, gtk_get_option_group (TRUE));