1 files changed, 0 insertions, 68 deletions
diff --git a/ext/tk/sample/optobj_sample.rb b/ext/tk/sample/optobj_sample.rb
deleted file mode 100644
index 5e4806f8fb..0000000000
--- a/ext/tk/sample/optobj_sample.rb
+++ /dev/null
@@ -1,68 +0,0 @@
-#!/usr/bin/env ruby
-# frozen_string_literal: false
-#
-#  sample script of Tk::OptionObj
-#
-require "tk"
-
-optobj = Tk::OptionObj.new('foreground'=>'red', 'background'=>'black')
-
-f = TkFrame.new.pack(:side=>:left, :anchor=>:n, :padx=>5, :pady=>30)
-
-b1 = TkButton.new(f, :text=>'AAA').pack(:fill=>:x)
-b2 = TkButton.new(f, :text=>'BBB').pack(:fill=>:x)
-b3 = TkButton.new(f, :text=>'CCC').pack(:fill=>:x)
-
-optobj.assign( b1,
-              [ b2, 'configure',
-                { 'foreground'=>'background',
-                  'background'=>'foreground' } ],
-              [ b3, nil,
-                { 'foreground'=>'background',
-                  'activeforeground'=>nil,
-                  'background'=>['foreground', 'activeforeground'] } ] )
-
-optobj.update('activeforeground'=>'yellow')
-
-TkButton.new(f){
-  configure( optobj.assign(self) + {:text=>'DDD'} )
-  pack(:fill=>:x)
-}
-
-TkButton.new(f){
-  configure( optobj.assign([self, nil,
-                             {'foreground'=>'activeforeground',
-                              'background'=>'foreground',
-                              'activeforeground'=>'background'}]) \
-             + {:text=>'EEE', :relief=>:groove, :borderwidth=>5} )
-  pack(:fill=>:x)
-}
-
-optobj.notify  # To apply the convert_key ( 3rd element of widget info
-               # (that is, {'foreground'=>'activeforeground', ,,, } )
-               # of the 'EEE' button
-
-TkButton.new(f, :text=>'toggle',
-             :command=>proc{
-               fg = optobj['foreground']
-               bg = optobj['background']
-               optobj.configure('foreground'=>bg, 'background'=>fg)
-             }).pack(:fill=>:x, :pady=>10)
-
-TkButton.new(f, :text=>'exit',
-                :command=>proc{exit}).pack(:fill=>:x, :pady=>10)
-
-TkFrame.new{|f|
-  pack(:side=>:right, :expand=>true, :fill=>:both)
-  TkLabel.new(f, :text=>'source::').pack(:anchor=>:w)
-  TkFrame.new(f){|ff|
-    TkText.new(ff){
-      yscrollbar(TkScrollbar.new(ff){pack(:fill=>:y, :side=>:right)})
-      insert('end', File.read(__FILE__))
-      pack(:side=>:left, :expand=>true, :fill=>:both)
-    }
-    pack(:expand=>true, :fill=>:both)
-  }
-}
-
-Tk.mainloop