From bdee73bc54327aaedda0a99427a98491aaa85753 Mon Sep 17 00:00:00 2001
From: Gokcehan <gokcehankara@gmail.com>
Date: Sat, 13 Aug 2016 21:26:36 +0300
Subject: [PATCH] add error message for unhandled keys

---
 ui.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ui.go b/ui.go
index 1f7202e..4d04375 100644
--- a/ui.go
+++ b/ui.go
@@ -365,6 +365,10 @@ func (ui *UI) getExpr() Expr {
 				case termbox.KeyEsc:
 					acc = nil
 					return r
+				default:
+					ui.message = fmt.Sprintf("unhandled key")
+					acc = nil
+					return r
 				}
 			}