96 lines
3.2 KiB
C++
96 lines
3.2 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGESTURERECOGNIZER_H
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#define QGESTURERECOGNIZER_H
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#include <QtWidgets/qtwidgetsglobal.h>
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#include <QtCore/qnamespace.h>
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#ifndef QT_NO_GESTURES
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QT_BEGIN_NAMESPACE
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class QObject;
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class QEvent;
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class QGesture;
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class Q_WIDGETS_EXPORT QGestureRecognizer
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{
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public:
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enum ResultFlag
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{
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Ignore = 0x0001,
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MayBeGesture = 0x0002,
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TriggerGesture = 0x0004,
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FinishGesture = 0x0008,
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CancelGesture = 0x0010,
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ResultState_Mask = 0x00ff,
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ConsumeEventHint = 0x0100,
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// StoreEventHint = 0x0200,
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// ReplayStoredEventsHint = 0x0400,
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// DiscardStoredEventsHint = 0x0800,
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ResultHint_Mask = 0xff00
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};
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Q_DECLARE_FLAGS(Result, ResultFlag)
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QGestureRecognizer();
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virtual ~QGestureRecognizer();
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virtual QGesture *create(QObject *target);
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virtual Result recognize(QGesture *state, QObject *watched,
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QEvent *event) = 0;
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virtual void reset(QGesture *state);
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static Qt::GestureType registerRecognizer(QGestureRecognizer *recognizer);
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static void unregisterRecognizer(Qt::GestureType type);
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(QGestureRecognizer::Result)
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QT_END_NAMESPACE
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#endif // QT_NO_GESTURES
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#endif // QGESTURERECOGNIZER_H
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