fix crash when using automation buttons in empty pianoroll

2025-10-24 14:57:10 -06:00
parent 2fd39916a6
commit 14fe5ef999
1 changed files with 4 additions and 0 deletions
--- a/gtk2_ardour/pianoroll_midi_view.cc
+++ b/gtk2_ardour/pianoroll_midi_view.cc
@@ -376,6 +376,10 @@ PianorollMidiView::line_color_for (Evoral::Parameter const & param)
 PianorollMidiView::AutomationDisplayState*
 PianorollMidiView::find_or_create_automation_display_state (Evoral::Parameter const & param)
 {
+	if (!midi_region()) {
+		editing_context().make_a_region();
+	}
+
 	CueAutomationMap::iterator i = automation_map.find (param);

 	/* Step one: find the AutomationDisplayState object for this parameter,