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-rw-r--r--tests/manual/gestures/pinch/pinchwidget.cpp118
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diff --git a/tests/manual/gestures/pinch/pinchwidget.cpp b/tests/manual/gestures/pinch/pinchwidget.cpp
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--- a/tests/manual/gestures/pinch/pinchwidget.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2009 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 "pinchwidget.h"
-
-#include <QPainter>
-#include <QImage>
-#include <QPixmap>
-#include <QPanGesture>
-#include <QPinchGesture>
-#include <QPushButton>
-
-PinchWidget::PinchWidget(const QImage &image, QWidget *parent)
- : QWidget(parent)
-{
- setMinimumSize(100,100);
- this->image = image;
- pan = new QPanGesture(this);
- connect(pan, SIGNAL(triggered()), this, SLOT(onPanTriggered()));
- connect(pan, SIGNAL(finished()), this, SLOT(onPanFinished()));
- pinch = new QPinchGesture(this);
- connect(pinch, SIGNAL(triggered()), this, SLOT(onPinchTriggered()));
- connect(pinch, SIGNAL(finished()), this, SLOT(onPinchFinished()));
-}
-
-QSize PinchWidget::sizeHint() const
-{
- return image.size()*1.5;
-}
-
-void PinchWidget::paintEvent(QPaintEvent *)
-{
- QPainter p(this);
- QTransform t = worldTransform * currentPanTransform * currentPinchTransform;
- p.setTransform(t);
- QPoint center = QPoint(width()/2, height()/2);
- QPoint size = QPoint(image.width()/2, image.height()/2);
- p.translate(center - size);
- p.drawImage(QPoint(0,0), image);
-}
-
-void PinchWidget::acceptTouchEvents()
-{
- setAttribute(Qt::WA_AcceptTouchEvents);
- if (QWidget *w = qobject_cast<QPushButton*>(sender()))
- w->setEnabled(false);
-}
-
-void PinchWidget::onPanTriggered()
-{
- currentPanTransform = QTransform()
- .translate(pan->totalOffset().width(),
- pan->totalOffset().height());
- update();
-}
-
-void PinchWidget::onPanFinished()
-{
- worldTransform *= currentPanTransform;
- currentPanTransform.reset();
- update();
-}
-
-void PinchWidget::onPinchTriggered()
-{
- QPoint transformCenter = worldTransform.map(QPoint(width()/2, height()/2));
- currentPinchTransform = QTransform()
- .translate(transformCenter.x(), transformCenter.y())
- .scale(pinch->totalScaleFactor(), pinch->totalScaleFactor())
- .rotate(pinch->totalRotationAngle())
- .translate(-transformCenter.x(), -transformCenter.y());
- update();
-}
-
-void PinchWidget::onPinchFinished()
-{
- worldTransform *= currentPinchTransform;
- currentPinchTransform.reset();
- update();
-}