2 files changed, 15 insertions, 1 deletions
diff --git a/src/ktreeview.cpp b/src/ktreeview.cpp
index 687bfe1e3..cb7560b20 100644
--- a/src/ktreeview.cpp
+++ b/src/ktreeview.cpp
@@ -36,7 +36,7 @@ KTreeView::KTreeViewPrivate::KTreeViewPrivate(KTreeView *parent) :
 {
     startScrollTimer = new QTimer(this);
     startScrollTimer->setSingleShot(true);
-    startScrollTimer->setInterval(50);
+    startScrollTimer->setInterval(300);
     connect(startScrollTimer, SIGNAL(timeout()),
             this, SLOT(startScrolling()));
 
@@ -156,5 +156,18 @@ void KTreeView::setSelectionModel(QItemSelectionModel *selectionModel)
             d->startScrollTimer, SLOT(start()));
 }
 
+void KTreeView::scrollTo(const QModelIndex& index, ScrollHint hint)
+{
+    if (d->autoHorizontalScroll) {
+        // assure that the value of the horizontal scrollbar stays on its current value,
+        // KTreeView will adjust the value manually
+        const int value = horizontalScrollBar()->value();
+        QTreeView::scrollTo(index, hint);
+        horizontalScrollBar()->setValue(value);
+    } else {
+        QTreeView::scrollTo(index, hint);
+    }
+}
+
 #include "ktreeview.moc"
 #include "ktreeview_p.moc"
diff --git a/src/ktreeview.h b/src/ktreeview.h
index 4a6262621..0e9841fb3 100644
--- a/src/ktreeview.h
+++ b/src/ktreeview.h
@@ -35,6 +35,7 @@ public:
     bool autoHorizontalScroll() const;
 
     virtual void setSelectionModel(QItemSelectionModel *selectionModel);
+    virtual void scrollTo(const QModelIndex& index, ScrollHint hint = EnsureVisible);
 
 private:
     class KTreeViewPrivate;