Add widget VPanel

lib/main.rb

@@ -9,6 +9,7 @@ require 'events'
 
 # Basic
 require 'widgets/text'
+require 'widgets/v_panel'
 
 require 'widgets/messenger'
 

lib/widgets/chat.rb

@@ -1,11 +1,9 @@
 # frozen_string_literal: true
 
 module Widgets
-  class Chat
+  class Chat < VPanel
-    attr_reader :focused
-
     def initialize(x, y, width, height)
-      @focused = false
+      super
 
       info_height    = 4
       message_height = 1
@@ -20,10 +18,8 @@ module Widgets
       @message = NewMessage.new x, y + message_top, width, message_height
     end
 
-    def render
+    def children
-      @info.render
+      [@info, @history, @message]
-      @history.render
-      @message.render
     end
 
     def trigger(event)

lib/widgets/peers.rb

@@ -1,19 +1,16 @@
 # frozen_string_literal: true
 
 module Widgets
-  class Peers
+  class Peers < VPanel
-    attr_reader :focused
-
     def initialize(x, y, width, height)
-      @focused = false
+      super
 
       @list   = List.new   x, y + 1, width, height - 1
       @search = Search.new x, y,     width, 1
     end
 
-    def render
+    def children
-      @list.render
+      [@list, @search]
-      @search.render
     end
 
     def trigger(event)

lib/widgets/v_panel.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Widgets
+  class VPanel
+    attr_reader :x, :y, :width, :height, :focused
+
+    def initialize(x, y, width, height)
+      @x = x
+      @y = y
+
+      @width  = width
+      @height = height
+
+      @focused = false
+    end
+
+    def render
+      children.each(&:render)
+    end
+
+    def children
+      raise NotImplementedError, "#{self.class}#children"
+    end
+  end
+end