def initialize
super('Card planning sheet')
vbox = Gtk::VBox.new(false, 8)
vbox.border_width = 8
add(vbox)
vbox.pack_start(Gtk::Label.new("Jonathan's Holiday Card Planning Sheet"),
false, false, 0)
sw = Gtk::ScrolledWindow.new(nil, nil)
sw.shadow_type = Gtk::SHADOW_ETCHED_IN
sw.set_policy(Gtk::POLICY_AUTOMATIC,
Gtk::POLICY_AUTOMATIC)
vbox.pack_start(sw, true, true, 0)
model = create_model
treeview = Gtk::TreeView.new(model)
treeview.rules_hint = true
treeview.selection.mode = Gtk::SELECTION_MULTIPLE
add_columns(treeview)
sw.add(treeview)
treeview.signal_connect('realize') do
treeview.expand_all
end
set_default_size(650, 400)
end