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Diffstat (limited to 'tests/manual/gestures/pinch/pinchwidget.cpp')
-rw-r--r-- | tests/manual/gestures/pinch/pinchwidget.cpp | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/tests/manual/gestures/pinch/pinchwidget.cpp b/tests/manual/gestures/pinch/pinchwidget.cpp deleted file mode 100644 index e93c8b5cc5..0000000000 --- a/tests/manual/gestures/pinch/pinchwidget.cpp +++ /dev/null @@ -1,118 +0,0 @@ -/**************************************************************************** -** -** 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(); -} |