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diff --git a/tests/manual/diaglib/eventfilter.cpp b/tests/manual/diaglib/eventfilter.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL21$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia. For licensing terms and
+** conditions see http://qt.digia.com/licensing. For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file. Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights. These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "eventfilter.h"
+#include <QtGui/QMouseEvent>
+#include <QtCore/QDebug>
+#include <QtCore/QTextStream>
+
+namespace QtDiag {
+
+EventFilter::EventFilter(EventCategories eventCategories, QObject *p)
+    : QObject(p)
+{
+    init(eventCategories);
+}
+
+EventFilter::EventFilter(QObject *p)
+    : QObject(p)
+{
+    init(EventCategories(0xFFFFFFF));
+}
+
+void EventFilter::init(EventCategories eventCategories)
+{
+    if (eventCategories & MouseEvents) {
+        m_eventTypes << QEvent::MouseButtonPress << QEvent::MouseButtonRelease
+            << QEvent::MouseButtonDblClick << QEvent::NonClientAreaMouseButtonPress
+            << QEvent::NonClientAreaMouseButtonRelease
+            << QEvent::NonClientAreaMouseButtonDblClick
+            << QEvent::Enter << QEvent::Leave;
+    }
+    if (eventCategories & MouseMoveEvents)
+        m_eventTypes << QEvent::MouseMove << QEvent::NonClientAreaMouseMove;
+    if (eventCategories & TouchEvents) {
+        m_eventTypes << QEvent::TouchBegin << QEvent::TouchUpdate << QEvent::TouchEnd;
+#if QT_VERSION >= 0x050000
+        m_eventTypes << QEvent::TouchCancel;
+#endif
+    }
+    if (eventCategories & TabletEvents) {
+        m_eventTypes << QEvent::TabletEnterProximity << QEvent::TabletLeaveProximity
+            << QEvent::TabletMove << QEvent::TabletPress << QEvent::TabletRelease;
+    }
+    if (eventCategories & DragAndDropEvents) {
+        m_eventTypes << QEvent::DragEnter << QEvent::DragMove << QEvent::DragLeave
+            << QEvent::Drop << QEvent::DragResponse;
+    }
+    if (eventCategories & KeyEvents) {
+        m_eventTypes << QEvent::KeyPress << QEvent::KeyRelease << QEvent::ShortcutOverride
+            << QEvent::Shortcut;
+    }
+    if (eventCategories & GeometryEvents)
+        m_eventTypes << QEvent::Move << QEvent::Resize;
+    if (eventCategories & PaintEvents) {
+        m_eventTypes << QEvent::UpdateRequest << QEvent::Paint
+            << QEvent::Show << QEvent::Hide;
+#if QT_VERSION >= 0x050000
+        m_eventTypes << QEvent::Expose;
+#endif
+    }
+    if (eventCategories & TimerEvents)
+        m_eventTypes << QEvent::Timer << QEvent::ZeroTimerEvent;
+    if (eventCategories & ObjectEvents) {
+        m_eventTypes << QEvent::ChildAdded << QEvent::ChildPolished
+            << QEvent::ChildRemoved << QEvent::Create << QEvent::Destroy;
+    }
+}
+
+bool EventFilter::eventFilter(QObject *o, QEvent *e)
+{
+    static int n = 0;
+    if (m_eventTypes.contains(e->type())) {
+        QDebug debug = qDebug().nospace();
+        const QString on = o->objectName();
+        debug << '#' << n++ << ' ' << o->metaObject()->className();
+        if (!on.isEmpty())
+            debug << '/' << on;
+        debug << ' ' << e;
+    }
+    return false;
+}
+
+} // namespace QtDiag