-void
-StereoPanner::set_tooltip ()
-{
- Gtkmm2ext::UI::instance()->set_tip (this,
- string_compose (_("0 -> set width to zero (mono)\n%1-uparrow -> set width to 100\n%1-downarrow -> set width to -100"),
-
- Keyboard::secondary_modifier_name()).c_str());
-}
-
-void
-StereoPanner::unset_tooltip ()
-{
- Gtkmm2ext::UI::instance()->set_tip (this, "");
-}
-