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Diffstat (limited to 'tests/manual/gestures/graphicsview/gestures.cpp')
-rw-r--r-- | tests/manual/gestures/graphicsview/gestures.cpp | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/tests/manual/gestures/graphicsview/gestures.cpp b/tests/manual/gestures/graphicsview/gestures.cpp new file mode 100644 index 0000000000..f286b128ca --- /dev/null +++ b/tests/manual/gestures/graphicsview/gestures.cpp @@ -0,0 +1,131 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "gestures.h" + +#include <QTouchEvent> + +Qt::GestureType ThreeFingerSlideGesture::Type = Qt::CustomGesture; + +QGesture *ThreeFingerSlideGestureRecognizer::create(QObject *) +{ + return new ThreeFingerSlideGesture; +} + +QGestureRecognizer::Result ThreeFingerSlideGestureRecognizer::recognize(QGesture *state, QObject *, QEvent *event) +{ + ThreeFingerSlideGesture *d = static_cast<ThreeFingerSlideGesture *>(state); + QGestureRecognizer::Result result; + switch (event->type()) { + case QEvent::TouchBegin: + result = QGestureRecognizer::MayBeGesture; + case QEvent::TouchEnd: + if (d->gestureFired) + result = QGestureRecognizer::FinishGesture; + else + result = QGestureRecognizer::CancelGesture; + case QEvent::TouchUpdate: + if (d->state() != Qt::NoGesture) { + QTouchEvent *ev = static_cast<QTouchEvent*>(event); + if (ev->touchPoints().size() == 3) { + d->gestureFired = true; + result = QGestureRecognizer::TriggerGesture; + } else { + result = QGestureRecognizer::MayBeGesture; + for (int i = 0; i < ev->touchPoints().size(); ++i) { + const QTouchEvent::TouchPoint &pt = ev->touchPoints().at(i); + const int distance = (pt.pos().toPoint() - pt.startPos().toPoint()).manhattanLength(); + if (distance > 20) { + result = QGestureRecognizer::CancelGesture; + } + } + } + } else { + result = QGestureRecognizer::CancelGesture; + } + + break; + case QEvent::MouseButtonPress: + case QEvent::MouseButtonRelease: + case QEvent::MouseMove: + if (d->state() != Qt::NoGesture) + result = QGestureRecognizer::Ignore; + else + result = QGestureRecognizer::CancelGesture; + break; + default: + result = QGestureRecognizer::Ignore; + break; + } + return result; +} + +void ThreeFingerSlideGestureRecognizer::reset(QGesture *state) +{ + static_cast<ThreeFingerSlideGesture *>(state)->gestureFired = false; + QGestureRecognizer::reset(state); +} + + +QGesture *RotateGestureRecognizer::create(QObject *) +{ + return new QGesture; +} + +QGestureRecognizer::Result RotateGestureRecognizer::recognize(QGesture *, QObject *, QEvent *event) +{ + switch (event->type()) { + case QEvent::TouchBegin: + case QEvent::TouchEnd: + case QEvent::TouchUpdate: + break; + default: + break; + } + return QGestureRecognizer::Ignore; +} + +void RotateGestureRecognizer::reset(QGesture *state) +{ + QGestureRecognizer::reset(state); +} + +#include "moc_gestures.cpp" |