From 61033814fde8d863336061b622b0ad011930dc18 Mon Sep 17 00:00:00 2001
From: Tannin <devnull@localhost>
Date: Mon, 29 Jun 2015 20:28:56 +0200
Subject: bugfix: aboutToChangeData and postDataChanged signals were not
 correctly set up when mod grouping was enabled

---
 src/modlistsortproxy.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/modlistsortproxy.cpp')

diff --git a/src/modlistsortproxy.cpp b/src/modlistsortproxy.cpp
index f646a079..efe60732 100644
--- a/src/modlistsortproxy.cpp
+++ b/src/modlistsortproxy.cpp
@@ -380,9 +380,12 @@ bool ModListSortProxy::dropMimeData(const QMimeData *data, Qt::DropAction action
 void ModListSortProxy::setSourceModel(QAbstractItemModel *sourceModel)
 {
   QSortFilterProxyModel::setSourceModel(sourceModel);
-
-  connect(sourceModel, SIGNAL(aboutToChangeData()), this, SLOT(aboutToChangeData()));
-  connect(sourceModel, SIGNAL(postDataChanged()), this, SLOT(postDataChanged()));
+  QtGroupingProxy *proxy = qobject_cast<QtGroupingProxy*>(sourceModel);
+  if (proxy != nullptr) {
+    sourceModel = proxy->sourceModel();
+  }
+  connect(sourceModel, SIGNAL(aboutToChangeData()), this, SLOT(aboutToChangeData()), Qt::UniqueConnection);
+  connect(sourceModel, SIGNAL(postDataChanged()), this, SLOT(postDataChanged()), Qt::UniqueConnection);
 }
 
 void ModListSortProxy::aboutToChangeData()
-- 
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