From 698568bc567743a833a6a20489566c9b2b213190 Mon Sep 17 00:00:00 2001
From: Joel Holdsworth <joel@airwebreathe.org.uk>
Date: Sun, 16 Aug 2015 09:22:08 -0600
Subject: [PATCH] Header: Use list_by_type in on_ungroup

---
 pv/view/header.cpp | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/pv/view/header.cpp b/pv/view/header.cpp
index 60d64b2..be4cebc 100644
--- a/pv/view/header.cpp
+++ b/pv/view/header.cpp
@@ -198,15 +198,14 @@ void Header::on_ungroup()
 	bool restart;
 	do {
 		restart = false;
-		for (const shared_ptr<TraceTreeItem> r : view_) {
-			const shared_ptr<TraceGroup> tg =
-				dynamic_pointer_cast<TraceGroup>(r);
-			if (tg && tg->selected()) {
+		const vector< shared_ptr<TraceGroup> > groups(
+			view_.list_by_type<TraceGroup>());
+		for (const shared_ptr<TraceGroup> tg : groups)
+			if (tg->selected()) {
 				tg->ungroup();
 				restart = true;
 				break;
 			}
-		}
 	} while (restart);
 }
 
-- 
2.30.2