From e6afc02942ffd4e3738c5a0ac28a14bbbe345ba8 Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Fri, 5 Apr 2013 15:49:21 +0000
Subject: [PATCH] IE doesn't default to giving focus to the puzzle canvas on a
 mouse click, so manually implement that behaviour. (Without it, it's quite
 hard to focus the canvas at all in IE.)

[originally from svn r9806]
---
 emccpre.js | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/emccpre.js b/emccpre.js
index 430aae4..38d7815 100644
--- a/emccpre.js
+++ b/emccpre.js
@@ -233,6 +233,12 @@ function initPuzzle() {
             command(2);
     };
 
+    // In IE, the canvas doesn't automatically gain focus on a mouse
+    // click, so make sure it does
+    onscreen_canvas.addEventListener("mousedown", function(event) {
+        onscreen_canvas.focus();
+    });
+
     // In our dialog boxes, Return and Escape should be like pressing
     // OK and Cancel respectively
     document.addEventListener("keydown", function(event) {