canvas overhaul

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