[polari] entryArea: Disconnect 'key-press-event' signal

[Florian Müllner <fmuellner src gnome org>]

commit dd4b2b7a32c7eafade014cc86c7fa8aa3acdc160
Author: Florian Müllner <fmuellner gnome org>
Date:   Tue Mar 25 20:15:08 2014 +0100

    entryArea: Disconnect 'key-press-event' signal

 src/entryArea.js |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/src/entryArea.js b/src/entryArea.js
index db92216..ea02e45 100644
--- a/src/entryArea.js
+++ b/src/entryArea.js
@@ -45,9 +45,9 @@ const EntryArea = new Lang.Class({
         this.widget.connect('notify::sensitive', Lang.bind(this, this._onSensitiveChanged));
         this.widget.connect('realize', Lang.bind(this,
             function() {
-                let toplevel = this.widget.get_toplevel();
-                toplevel.connect('key-press-event',
-                                       Lang.bind(this, this._onKeyPressEvent));
+                this._toplevel = this.widget.get_toplevel();
+                this._keyPressId = this._toplevel.connect('key-press-event',
+                                                          Lang.bind(this, this._onKeyPressEvent));
             }));
 
         this._nickEntry = new Gtk.Entry();
@@ -201,5 +201,8 @@ const EntryArea = new Lang.Class({
         if (this._channelChangedId)
             this._room.disconnect(this._channelChangedId);
         this._channelChangedId = 0;
+        if (this._keyPressId)
+            this._toplevel.disconnect(this._keyPressId);
+        this._keyPressId = 0;
     }
 });