diff options
Diffstat (limited to 'gtk2_ardour/panner2d.cc')
| -rw-r--r-- | gtk2_ardour/panner2d.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gtk2_ardour/panner2d.cc b/gtk2_ardour/panner2d.cc index c59523abe3..9de8123ea8 100644 --- a/gtk2_ardour/panner2d.cc +++ b/gtk2_ardour/panner2d.cc @@ -201,6 +201,14 @@ void Panner2d::handle_state_change () { panconnect.drop_connections(); + if (!panner_shell->panner()) { + /* we should really self-destruct the UI here + * -> * PannerUI::set_panner() -> delete + */ + queue_draw (); + return; + } + panner_shell->panner()->SignalPositionChanged.connect (panconnect, invalidator(*this), boost::bind (&Panner2d::handle_position_change, this), gui_context()); set<Evoral::Parameter> params = panner_shell->panner()->what_can_be_automated(); |