f776595cc1
From Qt 5.7 -> tools & applications are lisenced under GPL v3 with some exceptions, see http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/ Updated license headers to use new GPL-EXCEPT header instead of LGPL21 one (in those files which will be under GPL 3 with exceptions) Change-Id: I42a473ddc97101492a60b9287d90979d9eb35ae1 Reviewed-by: Thiago Macieira <thiago.macieira@intel.com> Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
119 lines
3.9 KiB
C++
119 lines
3.9 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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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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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->touchPoints().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 (int i = 0; i < ev->touchPoints().size(); ++i) {
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const QTouchEvent::TouchPoint &pt = ev->touchPoints().at(i);
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const int distance = (pt.pos().toPoint() - pt.startPos().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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}
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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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