- add_automation_event (ev, trackview.editor().pixel_to_sample (x) - _region->position() + _region->start(), y);
+ /* guard points only if primary modifier is used */
+ bool with_guard_points = Gtkmm2ext::Keyboard::modifier_state_equals (ev->button.state, Gtkmm2ext::Keyboard::PrimaryModifier);
+ add_automation_event (ev, trackview.editor().pixel_to_sample (x) - _region->position() + _region->start(), y, with_guard_points);