X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fmidi_streamview.cc;h=9e8014d4722002b5248f688390d16380aebf7cae;hb=24d5f1a6249b08a8b21854ecf001be7e07e5bf23;hp=301e9ddcb401f51eb959ccc6f9008eed3d0bff89;hpb=cf52d6e4b40111eb04b244ec054055a4ec15dbe0;p=ardour.git

diff --git a/gtk2_ardour/midi_streamview.cc b/gtk2_ardour/midi_streamview.cc
index 301e9ddcb4..9e8014d472 100644
--- a/gtk2_ardour/midi_streamview.cc
+++ b/gtk2_ardour/midi_streamview.cc
@@ -33,6 +33,7 @@
 #include "ardour/region_factory.h"
 #include "ardour/session.h"
 #include "ardour/smf_source.h"
+#include "ardour/evoral_types_convert.h"
 
 #include "gui_thread.h"
 #include "midi_region_view.h"
@@ -242,6 +243,18 @@ MidiStreamView::update_data_note_range(uint8_t min, uint8_t max)
 	return dirty;
 }
 
+void
+MidiStreamView::set_layer_display (LayerDisplay d)
+{
+
+//revert this change for now.  Although stacked view is weirdly implemented wrt the "scroomer", it is still necessary to manage layered midi regions.
+//	if (d != Overlaid) {
+//		return;
+//	}
+
+	StreamView::set_layer_display (d);
+}
+
 void
 MidiStreamView::redisplay_track ()
 {
@@ -346,7 +359,7 @@ MidiStreamView::draw_note_lines()
 		double h = y - prev_y;
 		double mid = y + (h/2.0);
 
-		if (height > 1.0) { // XXX ? should that not be h >= 1 ?
+		if (mid >= 0 && h > 1.0) {
 			_note_lines->add (mid, h, color);
 		}