lib/highline/menu.rb in highline-2.0.1 vs lib/highline/menu.rb in highline-2.0.2

@@ -372,13 +372,14 @@
         map_items_by_index + map_items_by_name
       end
     end
 
     def map_items_by_index
-      if @index == :letter
-        l_index = "`"
-        all_items.map { l_index.succ!.dup }
+      if [:letter, :capital_letter].include?(@index)
+        # @ and ` are the previous ASCII characters to A and a respectively
+        prev_char = (@index == :capital_letter ? '@' : '`')
+        all_items.map { prev_char.succ!.dup }
       else
         (1..all_items.size).map(&:to_s)
       end
     end
 
@@ -434,11 +435,11 @@
       item = items.find { |i| i.name == selection }
       return item if item
 
       # 97 is the "a" letter at ascii table
       # Ex: For "a" it will return 0, and for "c" it will return 2
-      index = selection.ord - 97
+      index = selection.downcase.ord - 97
       items[index]
     end
 
     def value_for_selected_item(item, details)
       if item.action
@@ -515,11 +516,12 @@
 
     def mark_for_decoration(text, ix)
       case @index
       when :number
         ["#{ix + 1}#{@index_suffix}", text]
-      when :letter
-        ["#{('a'.ord + ix).chr}#{@index_suffix}", text]
+      when :letter, :capital_letter
+        first_letter = (@index == :capital_letter ? 'A' : 'a')
+        ["#{(first_letter.ord + ix).chr}#{@index_suffix}", text]
       when :none
         [text, ""]
       else
         ["#{index}#{@index_suffix}", text]
       end