1 files changed, 52 insertions, 0 deletions
diff --git a/dbaccess/source/ui/control/ScrollHelper.cxx b/dbaccess/source/ui/control/ScrollHelper.cxx
new file mode 100644
index 000000000..a9fcacca9
--- /dev/null
+++ b/dbaccess/source/ui/control/ScrollHelper.cxx
@@ -0,0 +1,52 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <ScrollHelper.hxx>
+
+#define LISTBOX_SCROLLING_AREA  12
+namespace dbaui
+{
+
+    OScrollHelper::OScrollHelper()
+    {
+    }
+    OScrollHelper::~OScrollHelper()
+    {
+
+    }
+    void OScrollHelper::scroll(const Point& _rPoint, const Size& _rOutputSize)
+    {
+        // Scrolling Areas
+        tools::Rectangle aScrollArea( Point(0, _rOutputSize.Height() - LISTBOX_SCROLLING_AREA),
+                                     Size(_rOutputSize.Width(), LISTBOX_SCROLLING_AREA) );
+
+        // if pointer in bottom area begin scroll
+        if( aScrollArea.IsInside(_rPoint) )
+            m_aUpScroll.Call(nullptr);
+        else
+        {
+            aScrollArea.SetPos(Point(0,0));
+            // if pointer in top area begin scroll
+            if( aScrollArea.IsInside(_rPoint) )
+                m_aDownScroll.Call(nullptr);
+        }
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */