[gnome-2048] Set pre-defined minimum size for game window

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

commit 4eb74329c96e6da28c36574f1f5808d67fe47dff
Author: Juan R. García Blanco <juanrgar gmail com>
Date:   Sun Feb 15 22:02:20 2015 +0100

    Set pre-defined minimum size for game window
    
    Window default size is restored on application start-up and therefore it
    cannot be used as minimum size;
    
    See https://bugzilla.gnome.org/show_bug.cgi?id=744560

 src/application.vala |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/src/application.vala b/src/application.vala
index 0e51d85..9410e5d 100644
--- a/src/application.vala
+++ b/src/application.vala
@@ -33,6 +33,9 @@ public class Application : Gtk.Application
   private int _window_height;
   private bool _window_maximized;
 
+  private int WINDOW_MINIMUM_SIZE_HEIGHT = 600;
+  private int WINDOW_MINIMUM_SIZE_WIDTH = 600;
+
   private Game _game;
 
   private const GLib.ActionEntry[] action_entries =
@@ -159,8 +162,8 @@ public class Application : Gtk.Application
     _window.window_state_event.connect (window_state_event_cb);
 
     Gdk.Geometry geom = Gdk.Geometry ();
-    geom.min_height = _window.default_height;
-    geom.min_width = _window.default_width;
+    geom.min_height = WINDOW_MINIMUM_SIZE_HEIGHT;
+    geom.min_width = WINDOW_MINIMUM_SIZE_WIDTH;
     _window.set_geometry_hints (_window, geom, Gdk.WindowHints.MIN_SIZE);
 
     _window.show_all ();