[gnome-2048] Connect to ::category-request signal

[Juan R. Garcia Blanco <juanrgar src gnome org>]

commit 838cd16a2972aa89acb3542cad9da5ccf7fbe56a
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Tue Mar 3 21:54:46 2015 +0100

    Connect to ::category-request signal
    
        * src/application.vala: Connect to Context::category-request
        signal.

 src/application.vala |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/src/application.vala b/src/application.vala
index 5597231..d528497 100644
--- a/src/application.vala
+++ b/src/application.vala
@@ -326,6 +326,15 @@ public class Application : Gtk.Application
     _grid4_cat = new Scores.Category ("grid4", "Grid 4 x 4");
     _grid5_cat = new Scores.Category ("grid5", "Grid 5 x 5");
 
+    _scores_ctx.category_request.connect ( (s, key) => {
+      if (key == "grid4")
+        return _grid4_cat;
+      else if (key == "grid5")
+        return _grid5_cat;
+      else
+        return null;
+    });
+
     if (!_scores_ctx.has_scores ())
       ((SimpleAction) lookup_action ("scores")).set_enabled (false);
   }