# File gtk/sample/testgtk/progressbar.rb, line 37
  def initialize
    super("Gtk::ProgressBar")
    set_border_width(10)

    vbox1 = Gtk::VBox.new(false, 5)
    vbox1.border_width = 10
    vbox.add(vbox1)

    frame = Gtk::Frame.new("Progress")
    vbox1.add(frame)

    vbox2 = Gtk::VBox.new(false, 5)
    frame.add(vbox2)

    align = Gtk::Alignment.new(0.5, 0.5, 0, 0)
    vbox2.pack_start(align, FALSE, FALSE, 5)

    @pbar = Gtk::ProgressBar.new
    align.add(@pbar)
    @timer = Gtk.timeout_add(100){progress_timeout}

    align = Gtk::Alignment.new(0.5, 0.5, 0, 0)
    vbox2.pack_start(align, false, false, 5);

    hbox = Gtk::HBox.new(false, 5)
    align.add(hbox)
    label = Gtk::Label.new("Label updated by user :")
    hbox.add(label)
    @label = Gtk::Label.new("")
    hbox.add(@label)

    frame = Gtk::Frame.new("Options")
    vbox1.add(frame)

    vbox2 = Gtk::VBox.new(false, 5)
    frame.add(vbox2)

    tab = Gtk::Table.new(3, 2, false)
    vbox2.add(tab)

    label = Gtk::Label.new("Orientation :");
    tab.attach(label, 0, 1, 0, 1,
               Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
               5, 5)
    label.set_alignment(0, 0.5)

    @omenu1 = build_option_menu(
        [ OptionMenuItem.new("Left-Right", proc { |w| toggle_orientation(w) }),
          OptionMenuItem.new("Right-Left", proc { |w| toggle_orientation(w) }),
          OptionMenuItem.new("Bottom-Top", proc { |w| toggle_orientation(w) }),
          OptionMenuItem.new("Top-Bottom", proc { |w| toggle_orientation(w) })
        ], 0)
    hbox = Gtk::HBox.new(false, 0)
    tab.attach(hbox, 1, 2, 0, 1,
                Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
                5, 5);
    hbox.add(@omenu1)
       
    check = Gtk::CheckButton.new("Show text")
    check.signal_connect("clicked") do |w| toggle_show_text(w) end
    tab.attach(check, 0, 1, 1, 2,
                Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
                5, 5)

    hbox = Gtk::HBox.new(false, 0)
    tab.attach(hbox, 1, 2, 1, 2,
               Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
               5, 5)

    label = Gtk::Label.new("Text align :")
    tab.attach(label, 0, 1, 2, 3,
                Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
                5, 5)
    label.set_alignment(0, 0.5)

    hbox = Gtk::HBox.new(false, 0)
    tab.attach(hbox, 1, 2, 2, 3,
                Gtk::EXPAND | Gtk::FILL, Gtk::EXPAND | Gtk::FILL,
                5, 5)

    label = Gtk::Label.new("x :")
    hbox.pack_start(label, false, true, 5)
      
    adj = Gtk::Adjustment.new(0.5, 0, 1, 0.1, 0.1, 0)
    @x_align_spin = Gtk::SpinButton.new(adj, 0, 1)
    adj.signal_connect("value_changed"){adjust_align}
    hbox.pack_start(@x_align_spin, false, true, 0)
    @x_align_spin.sensitive = false

    label = Gtk::Label.new("y :")
    hbox.pack_start(label, false, true, 5)

    adj = Gtk::Adjustment.new(0.5, 0, 1, 0.1, 0.1, 0)
    @y_align_spin = Gtk::SpinButton.new(adj, 0, 1)
    adj.signal_connect("value_changed"){adjust_align}
    hbox.pack_start(@y_align_spin, false, true, 0)
    @y_align_spin.sensitive = false

    button = Gtk::Button.new("close")
    button.signal_connect("clicked"){
      Gtk::timeout_remove(@timer)
      destroy
    }
    button.can_default = true
    self.action_area.add(button)
    button.grab_default
  end