+ Gtk::Button* b = Gtk::manage (new Gtk::Button (_("Select All")));
+ b->signal_clicked().connect (
+ sigc::bind (
+ sigc::mem_fun (*this, &ExportTimespanSelector::set_selection_state_of_all_timespans), true
+ )
+ );
+ option_hbox.pack_start (*b, false, false, 6);
+
+ b = Gtk::manage (new Gtk::Button (_("Deselect All")));
+ b->signal_clicked().connect (
+ sigc::bind (
+ sigc::mem_fun (*this, &ExportTimespanSelector::set_selection_state_of_all_timespans), false
+ )
+ );
+ option_hbox.pack_start (*b, false, false, 6);
+