ce17ca7791
It is replaced by setAcceptHoverEvents (note the lack of s), even though the original name made more sense -- "set (if this item) accepts hover events". Change-Id: Ia6137c0e37b0a5932836f1d08fb8fa436f736eed Reviewed-by: Lars Knoll <lars.knoll@nokia.com>
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "imageitem.h"
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//! [0]
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ImageItem::ImageItem(int id, const QPixmap &pixmap, QGraphicsItem *parent,
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QGraphicsScene *scene)
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: QGraphicsPixmapItem(pixmap, parent, scene)
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{
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recordId = id;
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setAcceptHoverEvents(true);
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timeLine.setDuration(150);
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timeLine.setFrameRange(0, 150);
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connect(&timeLine, SIGNAL(frameChanged(int)), this, SLOT(setFrame(int)));
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connect(&timeLine, SIGNAL(finished()), this, SLOT(updateItemPosition()));
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adjust();
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}
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//! [0]
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//! [1]
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void ImageItem::hoverEnterEvent(QGraphicsSceneHoverEvent * /*event*/)
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{
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timeLine.setDirection(QTimeLine::Forward);
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if (z != 1.0) {
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z = 1.0;
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updateItemPosition();
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}
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if (timeLine.state() == QTimeLine::NotRunning)
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timeLine.start();
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}
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//! [1]
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//! [2]
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void ImageItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * /*event*/)
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{
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timeLine.setDirection(QTimeLine::Backward);
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if (z != 0.0)
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z = 0.0;
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if (timeLine.state() == QTimeLine::NotRunning)
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timeLine.start();
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}
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//! [2]
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//! [3]
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void ImageItem::setFrame(int frame)
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{
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adjust();
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QPointF center = boundingRect().center();
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setTransform(QTransform::fromTranslate(center.x(), center.y()), true);
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setTransform(QTransform::fromScale(1 + frame / 330.0, 1 + frame / 330.0), true);
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setTransform(QTransform::fromTranslate(-center.x(), -center.y()), true);
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}
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//! [3]
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//! [4]
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void ImageItem::adjust()
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{
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QMatrix matrix;
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matrix.scale(150/ boundingRect().width(), 120/ boundingRect().height());
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setMatrix(matrix);
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}
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//! [4]
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//! [5]
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int ImageItem::id()
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{
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return recordId;
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}
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//! [5]
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//! [6]
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void ImageItem::updateItemPosition()
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{
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setZValue(z);
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}
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//! [6]
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