diff options
| author | Robin Gareus <robin@gareus.org> | 2016-10-30 17:35:21 +0100 |
|---|---|---|
| committer | Robin Gareus <robin@gareus.org> | 2016-10-30 17:39:55 +0100 |
| commit | 9773cfa92645f8caf8aa524a5e7f45bb4d4d1b24 (patch) | |
| tree | 133e6016d1e29e91ab0a80a9dc1a1952397188e0 /gtk2_ardour/midi_time_axis.cc | |
| parent | 997b48baf72c87281ae4dc535c9b3994810d8e72 (diff) | |
Drop UpdateMidnam shared_ptr reference when the plugin is removed
Diffstat (limited to 'gtk2_ardour/midi_time_axis.cc')
| -rw-r--r-- | gtk2_ardour/midi_time_axis.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc index fb2cebcd7e..4e4b541977 100644 --- a/gtk2_ardour/midi_time_axis.cc +++ b/gtk2_ardour/midi_time_axis.cc @@ -427,6 +427,12 @@ MidiTimeAxisView::setup_midnam_patches () } void +MidiTimeAxisView::drop_instrument_ref () +{ + midnam_connection.drop_connections (); +} + +void MidiTimeAxisView::update_patch_selector () { typedef MIDI::Name::MidiPatchManager PatchManager; @@ -437,7 +443,10 @@ MidiTimeAxisView::update_patch_selector () boost::shared_ptr<Processor> the_instrument (_route->the_instrument()); boost::shared_ptr<PluginInsert> pi = boost::dynamic_pointer_cast<PluginInsert>(the_instrument); if (pi && pi->plugin ()->has_midnam ()) { - midnam_connection.disconnect (); + midnam_connection.drop_connections (); + the_instrument->DropReferences.connect (midnam_connection, invalidator (*this), + boost::bind (&MidiTimeAxisView::drop_instrument_ref, this), + gui_context()); pi->plugin()->UpdateMidnam.connect (midnam_connection, invalidator (*this), boost::bind (&Plugin::read_midnam, pi->plugin ()), gui_context()); |