1 files changed, 11 insertions, 10 deletions
diff --git a/src/kitemviews/kitemmodelbase.h b/src/kitemviews/kitemmodelbase.h
index 70f688390..c5b9a0ca5 100644
--- a/src/kitemviews/kitemmodelbase.h
+++ b/src/kitemviews/kitemmodelbase.h
@@ -25,6 +25,8 @@
 
 #include <libdolphin_export.h>
 
+#include <kitemviews/kitemrange.h>
+
 #include <QHash>
 #include <QObject>
 #include <QSet>
@@ -32,16 +34,6 @@
 
 class QMimeData;
 
-struct KItemRange
-{
-    KItemRange(int index = 0, int count = 0);
-    int index;
-    int count;
-
-    bool operator == (const KItemRange& other) const;
-};
-typedef QList<KItemRange> KItemRangeList;
-
 /**
  * @brief Base class for model implementations used by KItemListView and KItemListController.
  *
@@ -218,11 +210,20 @@ signals:
      * with the items 5 and 6 then the parameters look like this:
      * - itemRange: has the index 0 and a count of 7.
      * - movedToIndexes: Contains the seven values 5, 6, 2, 3, 4, 0, 1
+     *
+     * This signal implies that the groups might have changed. Therefore,
+     * gropusChanged() is not emitted if this signal is emitted.
      */
     void itemsMoved(const KItemRange& itemRange, const QList<int>& movedToIndexes);
 
     void itemsChanged(const KItemRangeList& itemRanges, const QSet<QByteArray>& roles);
 
+    /**
+     * Is emitted if the groups have changed, even though the order of the
+     * items has not been modified.
+     */
+    void groupsChanged();
+
     void groupedSortingChanged(bool current);
     void sortRoleChanged(const QByteArray& current, const QByteArray& previous);
     void sortOrderChanged(Qt::SortOrder current, Qt::SortOrder previous);