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/FlatButton.lua

@@ -0,0 +1,16 @@
+local class = require('opus.class')
+local UI    = require('opus.ui')
+
+UI.FlatButton = class(UI.Button)
+UI.FlatButton.defaults = {
+	UIElement = 'FlatButton',
+	textColor = 'black',
+	textFocusColor = 'white',
+	noPadding = true,
+}
+function UI.FlatButton:setParent()
+	self.backgroundColor = self.parent:getProperty('backgroundColor')
+	self.backgroundFocusColor = self.backgroundColor
+
+	UI.Button.setParent(self)
+end