feat Create Menu::Stack

1 files changed, 19 insertions, 1 deletions

diff --git a/lib/menu.rb b/lib/menu.rb
index a3f1533..11c8715 100644
--- a/lib/menu.rb
+++ b/lib/menu.rb
@@ -1,4 +1,4 @@
-# Copyright 2021 Frederico de Oliveira Linhares
+# Copyright 2022 Frederico de Oliveira Linhares
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -14,6 +14,24 @@
 
 module CandyGear
   class Menu
+    class Stack
+      def initialize(menu)
+        @stack = [];
+        @stack << menu;
+      end
+
+      def current_menu() = @stack[-1];
+
+      def push(menu) = @stack << menu;
+
+      def pop()
+        @stack.pop() if @stack.size > 1;
+      end
+
+      def draw() = @stack.each {_1.draw();}
+      def size() = @stack.size;
+    end
+
     class BorderlessView
       attr_reader(:texture, :font, :text_color, :bg_color, :sprites);