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/Question.lua

@@ -0,0 +1,27 @@
+local class = require('opus.class')
+local UI    = require('opus.ui')
+
+UI.Question = class(UI.MiniSlideOut)
+UI.Question.defaults = {
+    UIElement = 'Question',
+    accelerators = {
+        y = 'question_yes',
+        n = 'question_no',
+    }
+}
+function UI.Question:postInit()
+    local x = self.label and #self.label + 3 or 1
+
+    self.yes_button = UI.Button {
+        x = x,
+        text = 'Yes',
+        backgroundColor = 'primary',
+        event = 'question_yes',
+    }
+    self.no_button = UI.Button {
+        x = x + 5,
+        text = 'No',
+        backgroundColor = 'primary',
+        event = 'question_no',
+    }
+end