From 0afc37e96bc3ba524246d2432bfe4877cd4b7f68 Mon Sep 17 00:00:00 2001
From: Fabian Jakobs <fabian.jakobs@web.de>
Date: Thu, 20 Sep 2012 12:54:00 +0200
Subject: [PATCH] Cmd-K clears the terminal

---
 static/term.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/static/term.js b/static/term.js
index b4f7ee74..f803048c 100644
--- a/static/term.js
+++ b/static/term.js
@@ -914,6 +914,18 @@ Terminal.prototype.refreshBlink = function() {
   this._blink = setInterval(this._blinker, 500);
 };
 
+Terminal.prototype.clear = function() {
+  this.lines.splice(0, this.ybase + this.y);
+  this.lines.splice(1, this.lines.length-1);
+  while (this.lines.length < this.rows) {
+    this.lines.push(this.blankLine());
+  }
+  this.y = 0;
+  this.ybase = 0;
+  this.ydisp = 0;
+  this.refresh(0, this.rows - 1);
+}
+
 Terminal.prototype.scroll = function() {
   var row;
 
@@ -2049,6 +2061,12 @@ Terminal.prototype.keyDown = function(ev) {
         key = '\x1b[6~';
       }
       break;
+    // CTRL-K
+    case 75:
+      if ((!isMac && ev.ctrlKey) || (isMac && ev.metaKey)) {
+        this.clear();
+        return cancel(ev);
+      }
     // F1
     case 112:
       key = '\x1bOP';