[gnome-chess] Remove engine ready signal

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 573d46538ce0bf11504839e79e2fe0d2964d71b6
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Fri Dec 25 08:20:37 2020 -0600

    Remove engine ready signal
    
    All it does is queue an unneeded draw.

 engine/chess-engine-cecp.vala |  1 -
 engine/chess-engine-uci.vala  |  2 --
 engine/chess-engine.vala      | 15 ---------------
 src/gnome-chess.vala          | 10 ----------
 4 files changed, 28 deletions(-)
---
diff --git a/engine/chess-engine-cecp.vala b/engine/chess-engine-cecp.vala
index 4e9b5b0..203d00a 100644
--- a/engine/chess-engine-cecp.vala
+++ b/engine/chess-engine-cecp.vala
@@ -30,7 +30,6 @@ public class ChessEngineCECP : ChessEngine
         write_line ("random");
         foreach (var o in options)
             write_line (o);
-        ready = true;
     }
 
     public override void process_input (char[] data)
diff --git a/engine/chess-engine-uci.vala b/engine/chess-engine-uci.vala
index 89f5359..2782337 100644
--- a/engine/chess-engine-uci.vala
+++ b/engine/chess-engine-uci.vala
@@ -98,8 +98,6 @@ public class ChessEngineUCI : ChessEngine
                 case "readyok":
                     if (tokens.length != 1)
                         warning ("Unexpected arguments on readyok: %s", line);
-
-                    ready = true;
                     break;
 
                 case "bestmove":
diff --git a/engine/chess-engine.vala b/engine/chess-engine.vala
index 6b69895..170f609 100644
--- a/engine/chess-engine.vala
+++ b/engine/chess-engine.vala
@@ -29,7 +29,6 @@ public abstract class ChessEngine : Object
     protected virtual void process_input (char[] data) {}
 
     public signal void starting ();
-    public signal void ready_changed ();
     public signal void moved (string move);
     public signal void resigned ();
     public signal void stopped_unexpectedly ();
@@ -37,20 +36,6 @@ public abstract class ChessEngine : Object
     public signal void claim_draw ();
     public signal void offer_draw ();
 
-    private bool _ready = false;
-    public bool ready
-    {
-        protected set
-        {
-           _ready = value;
-           ready_changed ();
-        }
-        public get
-        {
-            return _ready;
-        }
-    }
-
     protected ChessEngine (string binary, string[] args, uint delay_seconds)
     {
         this.binary = binary;
diff --git a/src/gnome-chess.vala b/src/gnome-chess.vala
index f8dea9d..2b273a1 100644
--- a/src/gnome-chess.vala
+++ b/src/gnome-chess.vala
@@ -450,7 +450,6 @@ Copyright © 2015–2016 Sahil Sareen""";
         if (opponent_engine != null)
         {
             opponent_engine.stop ();
-            opponent_engine.ready_changed.disconnect (engine_ready_cb);
             opponent_engine.moved.disconnect (engine_move_cb);
             opponent_engine.resigned.disconnect (engine_resigned_cb);
             opponent_engine.stopped_unexpectedly.disconnect (engine_stopped_unexpectedly_cb);
@@ -486,7 +485,6 @@ Copyright © 2015–2016 Sahil Sareen""";
         }
         else
         {
-            opponent_engine.ready_changed.connect (engine_ready_cb);
             opponent_engine.moved.connect (engine_move_cb);
             opponent_engine.resigned.connect (engine_resigned_cb);
             opponent_engine.stopped_unexpectedly.connect (engine_stopped_unexpectedly_cb);
@@ -671,14 +669,6 @@ Copyright © 2015–2016 Sahil Sareen""";
         return engine;
     }
 
-    private void engine_ready_cb (ChessEngine engine)
-    {
-        if (opponent_engine.ready)
-        {
-            view.queue_draw ();
-        }
-    }
-
     private void do_engine_move (string move)
     {
         if (!opponent.move (move))