label_box = Gtk::HBox.new(false, 0)
label = Gtk::Label.new('Page1')
label_box.pack_start(label, false, false, 0)
btn = Gtk::Button.new
btn.relief = Gtk::RELIEF_NONE
btn.focus_on_click = false
style = btn.modifier_style
style.xthickness = 0
style.ythickness = 0
btn.modify_style(style)
btn.set_tooltip_text("Close page1")
wim,him = Gtk::IconSize.lookup(Gtk::IconSize::MENU)
btn.set_size_request(wim+2,him+2)
btn.signal_connect('clicked') do
$notebook.remove_page($notebook.children.index(treeview))
store.clear
label_box.destroy
treeview.destroy
end
image = Gtk::Image.new(Gtk::Stock::CLOSE, Gtk::IconSize::MENU)
btn.add(image)
align = Gtk::Alignment.new(1.0, 0.0, 0.0, 0.0)
align.add(btn)
label_box.pack_start(align, false, false, 0)
label_box.spacing = 3
label_box.show_all
page = $notebook.append_page(treeview, label_box)
treeview.show_all
$notebook.page = $notebook.n_pages-1