Add events again

lib/events.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+module Events
+  module Window
+    class Left;  end
+    class Right; end
+  end
+
+  module Text
+    class Left;      end
+    class Right;     end
+    class Up;        end
+    class Down;      end
+    class Home;      end
+    class End;       end
+    class Backspace; end
+    class Delete;    end
+
+    class Putc
+      attr_reader :char
+
+      def initialize(char)
+        raise TypeError,     "expected char to be a #{String}" unless char.is_a? String
+        raise ArgumentError, 'expected char to have length 1'  unless char.length == 1
+
+        @char = char.frozen? ? char : char.dup.freeze
+      end
+    end
+  end
+end

lib/screen.rb

@@ -3,6 +3,7 @@
 require 'curses'
 
 # Additional classes
+require 'events'
 require 'style'
 
 # Basic