Ui enhancements 2.0 (#31)

* canvas overhaul

* minor tweaks

* list mode for overview

* bugfixes + tweaks for editor 2.0

* minor tweaks

* more editor work

* refactor + new transitions

* use layout() where appropriate and cleanup

* mouse triple click + textEntry scroll ind

* cleanup

* cleanup + theme editor

* color rework + cleanup

* changes for deprecated ui methods

* can now use named colors

sys/modules/opus/ui/components/Tab.lua

@@ -1,9 +1,16 @@
 local class = require('opus.class')
 local UI    = require('opus.ui')
 
-UI.Tab = class(UI.ActiveLayer)
+UI.Tab = class(UI.Window)
 UI.Tab.defaults = {
 	UIElement = 'Tab',
 	tabTitle = 'tab',
 	y = 2,
 }
+
+function UI.Tab:draw()
+	if not self.noFill then
+		self:fillArea(1, 1, self.width, self.height, string.rep('\127', self.width), colors.black, colors.gray)
+	end
+	self:drawChildren()
+end