codebrainz commented on this pull request.

@@ -149,7 +153,11 @@ namespace MultiTerm

context_menu.new_window_activate.connect(on_new_window_activate); context_menu.move_to_location_activate.connect(on_move_to_location); } +#if MULTITERM_GTK3 + context_menu.popup_at_pointer(event);

This requires GTK+ 3.22 but I think the build system only checks for GTK+ >= 3.0, so if someone built it with any version of GTK+ between 3.0 and 3.22, it would cause a build error.