friendlier networking + adding tabs

sys/apis/ui.lua

@@ -2045,7 +2045,7 @@ function UI.MenuBar:init(args)
   end
 
   self:addButtons(self.buttons)
-  if self.showBackButton then
+  if self.showBackButton then  -- need to remove
     table.insert(self.children, UI.MenuItem({
       x = UI.term.width - 2,
       width = 3,
@@ -2086,7 +2086,9 @@ function UI.MenuBar:addButtons(buttons)
       end
     end
   end
-  self:initChildren()
+  if self.parent then
+    self:initChildren()
+  end
 end
 
 function UI.MenuBar:getActive(menuItem)
@@ -2129,6 +2131,13 @@ function UI.DropMenuItem:init(args)
   UI.Button.init(self, UI:getDefaults(UI.DropMenuItem, args))
 end
 
+function UI.DropMenuItem:eventHandler(event)
+  if event.type == 'button_activate' then
+    self.parent:hide()
+  end
+  return UI.Button.eventHandler(self, event)
+end
+
 --[[-- DropMenu --]]--
 UI.DropMenu = class(UI.MenuBar)
 UI.DropMenu.defaults = {
@@ -3028,6 +3037,10 @@ function UI.TextArea:setText(text)
   self:draw()
 end
 
+function UI.TextArea:focus()
+  -- allow keyboard scrolling
+end
+
 function UI.TextArea:draw()
   self:clear()
   self:setCursorPos(1, 1)