[gnome-chess/gnome-3-12] Do not unpause the game when the engine moves

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 92297dd81e3291409eb4022ce1cf17bc3248131c
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Mon Apr 14 13:05:37 2014 -0500

    Do not unpause the game when the engine moves
    
    Instead, wait until the player unpauses the game, and only then report
    the move.

 src/gnome-chess.vala |   28 ++++++++++++++++++++++++++--
 1 files changed, 26 insertions(+), 2 deletions(-)
---
diff --git a/src/gnome-chess.vala b/src/gnome-chess.vala
index f9bf268..93c0468 100644
--- a/src/gnome-chess.vala
+++ b/src/gnome-chess.vala
@@ -665,13 +665,37 @@ public class Application : Gtk.Application
             view.queue_draw ();
         }
     }
-    
-    private void engine_move_cb (ChessEngine engine, string move)
+
+    private void do_engine_move (string move)
     {
         if (!opponent.move (move))
             game.stop (ChessResult.BUG, ChessRule.BUG);
     }
 
+    private void engine_move_cb (ChessEngine engine, string move)
+    {
+        if (!game.is_paused)
+        {
+            do_engine_move (move);
+        }
+        else
+        {
+            Timeout.add_seconds (1, () => {
+                if (game.is_paused)
+                {
+                    /* Keep waiting */
+                    return true;
+                }
+                else
+                {
+                    do_engine_move (move);
+                    /* Disconnect from main loop */
+                    return false;
+                }
+            });
+        }
+    }
+
     private void engine_resigned_cb (ChessEngine engine)
     {
         opponent.resign ();