From 912b3798485fa6e897dd7bf43a8d7c07268359a2 Mon Sep 17 00:00:00 2001
From: nightwing <amirjanyan@gmail.com>
Date: Wed, 8 May 2013 19:04:55 +0400
Subject: [PATCH] add support for meta key modifier on windows

---
 lib/ace/lib/event.js | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/ace/lib/event.js b/lib/ace/lib/event.js
index 9f47d281..f80c2042 100644
--- a/lib/ace/lib/event.js
+++ b/lib/ace/lib/event.js
@@ -244,6 +244,9 @@ function normalizeCommandKeys(callback, e, keyCode) {
         keyCode = 0;
     }
 
+    if (!useragent.isMac && pressedKeys[91] || pressedKeys[92])
+        hashId |= 8;
+
     if (hashId & 8 && (keyCode == 91 || keyCode == 93)) {
         keyCode = 0;
     }
@@ -257,6 +260,7 @@ function normalizeCommandKeys(callback, e, keyCode) {
     return callback(e, hashId, keyCode);
 }
 
+var pressedKeys = Object.create(null);
 exports.addCommandKeyListener = function(el, callback) {
     var addListener = exports.addListener;
     if (useragent.isOldGecko || (useragent.isOpera && !("KeyboardEvent" in window))) {
@@ -277,6 +281,7 @@ exports.addCommandKeyListener = function(el, callback) {
         var lastDefaultPrevented = null;
 
         addListener(el, "keydown", function(e) {
+            pressedKeys[e.keyCode] = true;
             var result = normalizeCommandKeys(callback, e, e.keyCode);
             lastDefaultPrevented = e.defaultPrevented;
             return result;
@@ -288,6 +293,14 @@ exports.addCommandKeyListener = function(el, callback) {
                 lastDefaultPrevented = null;
             }
         });
+
+        addListener(el, "keyup", function(e) {
+            pressedKeys[e.keyCode] = null;
+        });
+
+        addListener(el, "focus", function(e) {
+            pressedKeys = Object.create(null);
+        });
     }
 };