From 0b68bbbdb0b71d306d80195ac1560c2747942097 Mon Sep 17 00:00:00 2001
From: Andrey Sidorov <sidorares@yandex.ru>
Date: Fri, 8 Jun 2012 14:59:35 +1000
Subject: [PATCH] initial support to add event parsers from extension

---
 lib/x11/xcore.js | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/lib/x11/xcore.js b/lib/x11/xcore.js
index c3f9225..40468f6 100644
--- a/lib/x11/xcore.js
+++ b/lib/x11/xcore.js
@@ -24,9 +24,10 @@ function XClient(stream, displayNum, screenNum)
     EventEmitter.call(this);
     this.stream = stream;
 
+    // TODO: this is probably not used
     this.core_requests = {};
     this.ext_requests = {};
-
+    
     this.displayNum = displayNum;
     this.screenNum = screenNum;
     this.authHost = os.hostname();
@@ -37,7 +38,7 @@ function XClient(stream, displayNum, screenNum)
     // read requests set by calls to .unpack and .unpackTo
     //stream.pipe(pack_stream);
    
-     // pack_stream write requests are buffered and
+    // pack_stream write requests are buffered and
     // flushed to stream as result of call to .flush
     // TODO: listen for drain event and flush automatically 
     //pack_stream.pipe(stream);
@@ -68,7 +69,8 @@ function XClient(stream, displayNum, screenNum)
     this.replies = {};
     this.atoms = stdatoms;
     this.event_consumers = {}; // maps window id to eventemitter TODO: bad name
-   
+    this.eventParsers = {};   
+
     this.importRequestsFromTemplates(this, coreRequests);
     
     this.startHandshake();
@@ -164,6 +166,12 @@ XClient.prototype.unpackEvent = function(type, seq, extra, code, raw)
     event.type = type;
     event.seq = seq;
 
+    var extUnpacker = this.eventParsers[type];
+    if (extUnpacker)
+    {
+        return extUnpacker(type, seq, extra, code, raw);
+    }
+
     if (type == 2 || type == 3 || type == 4 || type == 5 || type == 6) { // motion event
         var values = raw.unpack('LLLssssSC');
         //event.raw = values;