=begin colorchooser.rb - Gtk::ColorChooserWidget sample script. Copyright (c) 2015 Ruby-GNOME2 Project Team This program is licenced under the same licence as Ruby-GNOME2. =end require "gtk3" color_selection = Gtk::ColorChooserWidget.new color_selection.use_alpha = true color_selection.signal_connect "color-activated" do |widget, color| p color.to_s end window = Gtk::Window.new window.border_width = 10 window.add(color_selection) window.show_all window.signal_connect("destroy") {Gtk.main_quit} Gtk.main