#!/usr/bin/env ruby =begin combobox.rb - Ruby/GTK sample script. Copyright (c) 2004-2015 Ruby-GNOME2 Project Team This program is licenced under the same licence as Ruby-GNOME2. =end require "gtk3" unless Gtk::Version.or_later?(3, 10, 7) puts "This sample requires GTK+ 3.10.7 or later" exit end window = Gtk::Window.new("Gtk::ComboBox sample") window.signal_connect("destroy") {Gtk.main_quit} # # Text only # combo1 = Gtk::ComboBoxText.new ["foo", "bar", "fuga", "hoge"].each do |val| combo1.append_text(val) end combo1.active = 1 combo1.signal_connect("changed") do p "combo1: #{combo1.active}, #{combo1.active_iter[0]}" end # # Icon and text # model = Gtk::ListStore.new(Gdk::Pixbuf, String) [[Gtk::Stock::QUIT, "quit"], [Gtk::Stock::CANCEL, "cancel"], [Gtk::Stock::OK, "ok"]].each do |stock, name| iter = model.append iter[0] = window.render_icon_pixbuf(stock, Gtk::IconSize::MENU) iter[1] = name end combo2 = Gtk::ComboBox.new(:model => model) # column 1 renderer = Gtk::CellRendererPixbuf.new combo2.pack_start(renderer, false) combo2.add_attribute(renderer, "pixbuf", 0) # column 2 renderer = Gtk::CellRendererText.new combo2.pack_start(renderer, true) combo2.add_attribute(renderer, "text", 1) combo2.active = 2 combo2.signal_connect("changed") do p "combo2: #{combo2.active}, #{combo2.active_iter[1]}" end # # Gtk::ComboBoxEntry # combo3 = Gtk::ComboBoxText.new(:entry => true) ["foo", "bar", "fuga", "hoge"].each do |val| combo3.append_text(val) end combo3.active = 1 combo3.signal_connect("changed") do if combo3.active_iter p "combo3: #{combo3.active}, #{combo3.active_iter[0]}" end end # Show main window vbox = Gtk::Box.new(:vertical) vbox.add(combo1) vbox.add(combo2) vbox.add(combo3) window.add(vbox) window.show_all Gtk.main