From ee76ccad197074bac96df9fd58467581b2980e5a Mon Sep 17 00:00:00 2001
From: Robert Krahn <robert.krahn@gmail.com>
Date: Sun, 26 May 2013 18:52:57 -0700
Subject: [PATCH] emacs: add contents of copy/cut editor events to killring

---
 lib/ace/keyboard/emacs.js | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/ace/keyboard/emacs.js b/lib/ace/keyboard/emacs.js
index 136ec81b..88e877e7 100644
--- a/lib/ace/keyboard/emacs.js
+++ b/lib/ace/keyboard/emacs.js
@@ -112,6 +112,8 @@ exports.handler.attach = function(editor) {
     editor.commands.addCommands(commands);
     exports.handler.platform = editor.commands.platform;
     editor.$emacsModeHandler = this;
+    editor.addEventListener('copy', this.onCopy);
+    editor.addEventListener('paste', this.onPaste);
 };
 
 exports.handler.detach = function(editor) {
@@ -122,6 +124,8 @@ exports.handler.detach = function(editor) {
     editor.removeEventListener("changeSession", $kbSessionChange);
     editor.unsetStyle("emacs-mode");
     editor.commands.removeCommands(commands);
+    editor.removeEventListener('copy', this.onCopy);
+    editor.removeEventListener('paste', this.onPaste);
 };
 
 var $kbSessionChange = function(e) {
@@ -157,6 +161,13 @@ combinations.forEach(function(c) {
     eMods[hashId] = c.toLowerCase() + "-";
 });
 
+exports.handler.onCopy = function(e, editor) {
+    if (editor.$handlesEmacsOnCopy) return;
+    editor.$handlesEmacsOnCopy = true;
+    exports.handler.commands.killRingSave.exec(editor);
+    delete editor.$handlesEmacsOnCopy;
+}
+
 exports.handler.bindKey = function(key, command) {
     if (!key)
         return;