From a1179904c022d6ccd22ebd00a4db2618a9d9ca34 Mon Sep 17 00:00:00 2001
From: mitchell <70453897+667e-11@users.noreply.github.com>
Date: Thu, 17 Mar 2011 17:41:02 -0400
Subject: Performance and speed improvements.

---
 core/keys.lua | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'core/keys.lua')

diff --git a/core/keys.lua b/core/keys.lua
index 5a60b3ee..b693d523 100644
--- a/core/keys.lua
+++ b/core/keys.lua
@@ -129,7 +129,6 @@ local ALT = 'a'..ADD
 -- Optimize for speed.
 local string = _G.string
 local string_char = string.char
-local string_format = string.format
 local xpcall = _G.xpcall
 local next = _G.next
 local type = _G.type
@@ -168,7 +167,7 @@ local keychain = {}
 
 -- Clears the current key sequence.
 local function clear_key_sequence()
-  keychain = {}
+  if #keychain > 0 then keychain = {} end
   gui.statusbar_text = ''
 end
 
@@ -234,7 +233,7 @@ local function keypress(code, shift, control, alt)
   control = control and CTRL or ''
   shift = shift and SHIFT or ''
   alt = alt and ALT or ''
-  local key_seq = string_format('%s%s%s%s', control, shift, alt, key)
+  local key_seq = control..shift..alt..key
 
   if #keychain > 0 and key_seq == keys.clear_sequence then
     clear_key_sequence()
-- 
cgit v1.2.3