File: //usr/local/rvm/src/ruby-2.3.8/ext/tk/sample/tkextlib/iwidgets/sample/buttonbox.rb
#!/usr/bin/env ruby
# frozen_string_literal: false
require 'tk'
require 'tkextlib/iwidgets'
# sample 1
p bb1 = Tk::Iwidgets::Buttonbox.new
p bb1.add('Yes', :text=>'Yes', :command=>proc{puts 'Yes'})
p bb1.add('No', :text=>'No', :command=>proc{puts 'No'})
p bb1.add('Maybe', :text=>'Maybe', :command=>proc{puts 'Maybe'})
bb1.default('Yes')
bb1.pack(:expand=>true, :fill=>:both, :pady=>5)
print "\n"
# sample 2
p bb2 = Tk::Iwidgets::Buttonbox.new
p btn1 = bb2.add(:text=>'Yes', :command=>proc{puts 'Yes'})
p btn2 = bb2.add(:text=>'No', :command=>proc{puts 'No'})
p btn3 = bb2.add(:text=>'Maybe', :command=>proc{puts 'Maybe'})
bb2.default(btn1)
bb2.pack(:expand=>true, :fill=>:both, :pady=>5)
Tk.mainloop