From 9f1b50cc3e953473240949abf083e0124fcae2af Mon Sep 17 00:00:00 2001
From: Carl Hetherington <carl@carlh.net>
Date: Wed, 31 Aug 2011 19:26:25 +0000
Subject: [PATCH] Fix thinko with dragging one of >1 tabs in the same route
 group (#4301).

git-svn-id: svn://localhost/ardour2/branches/3.0@10044 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/group_tabs.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/gtk2_ardour/group_tabs.cc b/gtk2_ardour/group_tabs.cc
index 2e35d84809..4f194235e2 100644
--- a/gtk2_ardour/group_tabs.cc
+++ b/gtk2_ardour/group_tabs.cc
@@ -205,8 +205,9 @@ GroupTabs::on_button_release_event (GdkEventButton* ev)
 				for (RouteList::iterator i = r->begin(); i != r->end(); ++i) {
 
 					if (find (routes.begin(), routes.end(), *i) == routes.end()) {
-						/* this route is not on the list of those that should be in _dragging's group */
-						if ((*i)->route_group() == _dragging->group) {
+						/* this route is not contained in the tab we are dragging ... */
+						if ((*i)->route_group() != _dragging->group) {
+							/* and it's not in the dragged tab's group either */
 							_dragging->group->remove (*i);
 						}
 					} else {