Add module Helpers

lib/helpers.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+module Helpers
+  refine String do
+    def etc(max_length, etc: '...')
+      return self if length <= max_length
+      return '' unless max_length.positive?
+      orig_length = max_length - etc.length
+      return etc[0...max_length] if orig_length <= 0
+      "#{self[0...orig_length]}#{etc}"
+    end
+
+    def ljustetc(required_length, padstr: ' ', etc: '...')
+      ljust(required_length, padstr).etc(required_length, etc: etc)
+    end
+  end
+end

lib/main.rb

@@ -6,6 +6,7 @@ require 'thread'
 
 require 'faker'
 
+require 'helpers'
 require 'screen'
 
 class Main

lib/widgets/chat/info.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 module Widgets
+  using Helpers
+
   class Chat < VPanel
     class Info < Base
       PUBLIC_KEY_LABEL = 'Public key: '
@@ -43,12 +45,7 @@ module Widgets
       def draw_public_key
         setpos 0, 1
         addstr PUBLIC_KEY_LABEL
-        if PUBLIC_KEY_LABEL.length + props[:public_key].length > props[:width]
-          width = props[:width] - PUBLIC_KEY_LABEL.length
-          addstr "#{props[:public_key][0...(width - 3)]}..."
-        else
-          addstr props[:public_key]
-        end
+        addstr props[:public_key].ljustetc props[:width] - PUBLIC_KEY_LABEL.length
       end
     end
   end