ui overhaul

sys/apis/ui/components/ActiveLayer.lua

@@ -0,0 +1,30 @@
+local class = require('class')
+local UI    = require('ui')
+
+UI.ActiveLayer = class(UI.Window)
+UI.ActiveLayer.defaults = {
+	UIElement = 'ActiveLayer',
+}
+function UI.ActiveLayer:setParent()
+	self:layout(self)
+	self.canvas = self:addLayer()
+
+	UI.Window.setParent(self)
+end
+
+function UI.ActiveLayer:enable(...)
+	self.canvas:raise()
+	self.canvas:setVisible(true)
+	UI.Window.enable(self, ...)
+	if self.parent.transitionHint then
+		self:addTransition(self.parent.transitionHint)
+	end
+	self:focusFirst()
+end
+
+function UI.ActiveLayer:disable()
+	if self.canvas then
+		self.canvas:setVisible(false)
+	end
+	UI.Window.disable(self)
+end