dummy widget and widget system

samples/bin/library/scripts/emmy/components/widget.lua

@@ -0,0 +1,25 @@
+---@class widget
+local widget = {
+    ---@type boolean
+    enabled = true,
+
+    ---@type boolean
+    disabled = false,
+
+    ---@type v2f
+    size = v2f.zero(),
+
+    ---@type v2f
+    pivot = v2f.unit() * 0.5
+}
+
+---@overload fun(self: widget)
+---@param self widget
+function widget.enable(self) end
+
+---@overload fun(self: widget)
+---@param self widget
+function widget.disable(self) end
+
+---@type widget
+_G.widget = _G.widget or widget

samples/bin/library/scripts/emmy/high/gobject.lua

@@ -52,7 +52,10 @@ local gobject = {
     sprite_renderer = nil,
 
     ---@type touchable
-    touchable = nil
+    touchable = nil,
+
+    ---@type widget
+    widget = nil
 }
 
 ---@param self gobject