From 60a261ead9d8ee9718da31f376449dcdbb456489 2014-05-15 13:35:59
From: watercrossing <ingolf.becker@googlemail.com>
Date: 2014-05-15 13:35:59
Subject: [PATCH] add page-up and page-down functionality to the autocomplete dropdown

---

diff --git a/IPython/html/static/notebook/js/completer.js b/IPython/html/static/notebook/js/completer.js
index ecac3bd..fda33d8 100644
--- a/IPython/html/static/notebook/js/completer.js
+++ b/IPython/html/static/notebook/js/completer.js
@@ -351,6 +351,18 @@ var IPython = (function (IPython) {
             }
             index = Math.min(Math.max(index, 0), options.length-1);
             this.sel[0].selectedIndex = index;
+        } else if (code == keycodes.pageup || code == keycodes.pagedown) {
+            CodeMirror.e_stop(event);
+
+            var options = this.sel.find('option');
+            var index = this.sel[0].selectedIndex;
+            if (code == keycodes.pageup) {
+                index -= 10; // As 10 is the hard coded size of the drop down menu
+            } else {
+                index += 10;
+            }
+            index = Math.min(Math.max(index, 0), options.length-1);
+            this.sel[0].selectedIndex = index;
         } else if (code == keycodes.left || code == keycodes.right) {
             this.close();
         }