If first option is disabled, start at next

Also, accept 'space' as confirmation

termbox_menu.go

@@ -15,7 +15,7 @@ type Menu struct {
 	disabledBg, disabledFg termbox.Attribute
 	isDone                 bool
 	bordered               bool
-	vimMode									bool
+	vimMode                bool
 }
 
 // CreateMenu Creates a menu with the specified attributes
@@ -252,7 +252,7 @@ func (i *Menu) DisableVimMode() *Menu {
 
 // HandleKeyPress handles the termbox event and returns whether it was consumed
 func (i *Menu) HandleKeyPress(event termbox.Event) bool {
-	if event.Key == termbox.KeyEnter {
+	if event.Key == termbox.KeyEnter || event.Key == termbox.KeySpace {
 		i.isDone = true
 		return true
 	}
@@ -310,6 +310,11 @@ func (i *Menu) Draw() {
 		}
 	}
 
+	// If the currently selected option is disabled, move to the next
+	if i.GetSelectedOption().IsDisabled() {
+		i.SelectNextOption()
+	}
+
 	// Print the options
 	if len(i.options) > 0 {
 		for idx := range i.options {