+ @commandLine.on 'keydown', (e) =>
+ if history.length is 0 then return
+
+ switch e.keyCode
+ when 38 # up
+ unless historyPos <= 0
+ historyPos--
+ @commandLine.setText history[historyPos]
+
+ when 40 # down
+ if historyPos >= history.length-1
+ historyPos = history.length
+ @commandLine.setText cur
+ else
+ historyPos++
+ @commandLine.setText history[historyPos]
+
+ else
+ if historyPos >= history.length
+ cur = @commandLine.getText()