From: Soeren Apel <redacted>
Date: Sun, 3 Apr 2016 19:15:00 +0000 (+0200)
Subject: View: Remove empty trace groups in signals_changed()
X-Git-Tag: pulseview-0.4.0~321
X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=commitdiff_plain;h=bc72e51ffa24d47a382b118bfe63df154dac9cf1

View: Remove empty trace groups in signals_changed()
---

diff --git a/pv/view/view.cpp b/pv/view/view.cpp
index b7ee331f..758e7118 100644
--- a/pv/view/view.cpp
+++ b/pv/view/view.cpp
@@ -1083,6 +1083,11 @@ void View::signals_changed()
 		owner->remove_child_item(trace);
 	}
 
+	// Remove any empty trace groups
+	for (shared_ptr<TraceGroup> group : list_by_type<TraceGroup>())
+		if (group->child_items().size() == 0)
+			remove_child_item(group);
+
 	// Add and position the pending top levels items
 	for (auto item : new_top_level_items) {
 		// Position the item after the last item or at the top if there is none