2e0f7117b6
QEventPoint instead of TouchPoint: we have source compatibility for that, but we can use the new type to avoid the deprecation warnings. Some position accessors have been renamed too. Change-Id: I5bfe5bc853931127a883d2bd61fab122495fd427 Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>
119 lines
3.8 KiB
C++
119 lines
3.8 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 test suite of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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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 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 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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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-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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#include "gestures.h"
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#include <QTouchEvent>
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Qt::GestureType ThreeFingerSlideGesture::Type = Qt::CustomGesture;
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QGesture *ThreeFingerSlideGestureRecognizer::create(QObject *)
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{
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return new ThreeFingerSlideGesture;
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}
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QGestureRecognizer::Result ThreeFingerSlideGestureRecognizer::recognize(QGesture *state, QObject *, QEvent *event)
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{
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ThreeFingerSlideGesture *d = static_cast<ThreeFingerSlideGesture *>(state);
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QGestureRecognizer::Result result;
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switch (event->type()) {
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case QEvent::TouchBegin:
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result = QGestureRecognizer::MayBeGesture;
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break;
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case QEvent::TouchEnd:
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if (d->gestureFired)
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result = QGestureRecognizer::FinishGesture;
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else
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result = QGestureRecognizer::CancelGesture;
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break;
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case QEvent::TouchUpdate:
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if (d->state() != Qt::NoGesture) {
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QTouchEvent *ev = static_cast<QTouchEvent*>(event);
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if (ev->points().size() == 3) {
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d->gestureFired = true;
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result = QGestureRecognizer::TriggerGesture;
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} else {
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result = QGestureRecognizer::MayBeGesture;
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for (const QEventPoint &pt : ev->points()) {
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const int distance = (pt.globalPosition().toPoint() - pt.globalPressPosition().toPoint()).manhattanLength();
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if (distance > 20)
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result = QGestureRecognizer::CancelGesture;
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}
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}
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} else {
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result = QGestureRecognizer::CancelGesture;
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}
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break;
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case QEvent::MouseButtonPress:
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case QEvent::MouseButtonRelease:
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case QEvent::MouseMove:
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if (d->state() != Qt::NoGesture)
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result = QGestureRecognizer::Ignore;
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else
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result = QGestureRecognizer::CancelGesture;
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break;
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default:
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result = QGestureRecognizer::Ignore;
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break;
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}
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return result;
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}
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void ThreeFingerSlideGestureRecognizer::reset(QGesture *state)
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{
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static_cast<ThreeFingerSlideGesture *>(state)->gestureFired = false;
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QGestureRecognizer::reset(state);
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}
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QGesture *RotateGestureRecognizer::create(QObject *)
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{
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return new QGesture;
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}
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QGestureRecognizer::Result RotateGestureRecognizer::recognize(QGesture *, QObject *, QEvent *event)
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{
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switch (event->type()) {
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case QEvent::TouchBegin:
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case QEvent::TouchEnd:
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case QEvent::TouchUpdate:
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break;
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default:
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break;
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}
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return QGestureRecognizer::Ignore;
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}
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void RotateGestureRecognizer::reset(QGesture *state)
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{
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QGestureRecognizer::reset(state);
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}
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#include "moc_gestures.cpp"
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