looks great instead of using a popup menu for your commands consider using a drop down list with autocomplete -- and fuzzy matching like sublimetext Ctrl+P..

looks great instead of using a popup menu for your commands consider using a drop down list with autocomplete -- and fuzzy matching like sublimetext Ctrl+P.. to see a demo of this goto http://www.sublimetext.com/ http://www.sublimetext.com/ and see slide #4 at the top of the page