Gtkmm2ext::UI::instance()->set_tip (*b, _("Click to invert currently selected recording channels"));
capture_controls->pack_start (*b);
capture_mask_controls.push_back (b);
b->signal_clicked().connect (sigc::mem_fun (*this, &MidiChannelSelectorWindow::invert_capture_mask));
Gtkmm2ext::UI::instance()->set_tip (*b, _("Click to invert currently selected recording channels"));
capture_controls->pack_start (*b);
capture_mask_controls.push_back (b);
b->signal_clicked().connect (sigc::mem_fun (*this, &MidiChannelSelectorWindow::invert_capture_mask));