diff options
| -rw-r--r-- | gtk2_ardour/midi_streamview.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/gtk2_ardour/midi_streamview.cc b/gtk2_ardour/midi_streamview.cc index c862a23e04..27bd465fe1 100644 --- a/gtk2_ardour/midi_streamview.cc +++ b/gtk2_ardour/midi_streamview.cc @@ -176,19 +176,28 @@ MidiStreamView::display_region(MidiRegionView* region_view, bool load_model) } region_view->enable_display (true); + region_view->set_height (child_height()); boost::shared_ptr<MidiSource> source(region_view->midi_region()->midi_source(0)); + if (!source) { + error << _("attempt to display MIDI region with no source") << endmsg; + return; + } if (load_model) { source->load_model(); } + if (!source->model()) { + error << _("attempt to display MIDI region with no model") << endmsg; + return; + } + _range_dirty = update_data_note_range( source->model()->lowest_note(), source->model()->highest_note()); // Display region contents - region_view->set_height (child_height()); region_view->display_model(source->model()); } |