require 'gtk' window = Gtk::Window::new(Gtk::WINDOW_TOPLEVEL) window.set_title("list") window.border_width(0) box1 = Gtk::VBox::new(FALSE, 0) window.add(box1) box1.show box2 = Gtk::VBox::new(FALSE, 10) box2.border_width(10) box1.pack_start(box2, TRUE, TRUE, 0) box2.show scrolled_win = Gtk::ScrolledWindow::new() scrolled_win.set_policy(Gtk::POLICY_AUTOMATIC,Gtk::POLICY_AUTOMATIC) box2.pack_start(scrolled_win, TRUE, TRUE, 0) scrolled_win.show list = Gtk::List::new() list.set_selection_mode(Gtk::SELECTION_MULTIPLE) list.set_selection_mode(Gtk::SELECTION_BROWSE) scrolled_win.add(list) list.show for i in [ "hello", "world", "blah", "foo", "bar", "argh", "spencer", "is a", "wussy", "programmer", ] list_item = Gtk::ListItem::new(i) list.add(list_item) list_item.show end button = Gtk::Button::new("add") button.set_flags(Gtk::CAN_FOCUS); i = 1 button.signal_connect("clicked") do list_item = Gtk::ListItem::new(format("added item %d", i)) list.add(list_item) list_item.show i += 1 end box2.pack_start(button, FALSE, TRUE, 0) button.show button = Gtk::Button::new("remove") button.set_flags(Gtk::CAN_FOCUS); button.signal_connect("clicked") do tmp_list = list.selection list.remove_items(tmp_list) for i in tmp_list i.destroy end end box2.pack_start(button, FALSE, TRUE, 0) button.show separator = Gtk::HSeparator::new() box1.pack_start(separator, FALSE, TRUE, 0) separator.show box2 = Gtk::VBox::new(FALSE, 10) box2.border_width(10) box1.pack_start(box2, FALSE, TRUE, 0) box2.show button = Gtk::Button::new("close") button.signal_connect("clicked") do window.destroy exit end box2.pack_start(button, TRUE, TRUE, 0) button.set_flags(Gtk::CAN_DEFAULT); button.grab_default button.show window.show Gtk::main()