be15856f61
Change copyrights and license headers from Nokia to Digia Change-Id: If1cc974286d29fd01ec6c19dd4719a67f4c3f00e Reviewed-by: Lars Knoll <lars.knoll@digia.com> Reviewed-by: Sergio Ahumada <sergio.ahumada@digia.com>
132 lines
4.6 KiB
C++
132 lines
4.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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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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** $QT_BEGIN_LICENSE:LGPL$
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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 Digia. For licensing terms and
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** conditions see http://qt.digia.com/licensing. For further information
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** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL 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 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Digia gives you certain additional
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** rights. These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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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 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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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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