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/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** Contact: Qt Software Information ([email protected]) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** Commercial Usage ** Licensees holding valid Qt Commercial licenses may use this file in ** accordance with the Qt Commercial License Agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and Nokia. ** ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this ** package. ** ** GNU General Public License Usage ** Alternatively, this file may be used under the terms of the GNU ** General Public License version 3.0 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU General Public License version 3.0 requirements will be ** met: http://www.gnu.org/copyleft/gpl.html. ** ** If you are unsure which license is appropriate for your use, please ** contact the sales department at [email protected]. ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "imageitem.h" ImageItem::ImageItem(int id, const QPixmap &pixmap, QGraphicsItem *parent, QGraphicsScene *scene) : QGraphicsPixmapItem(pixmap, parent, scene) { recordId = id; setAcceptsHoverEvents(true); timeLine.setDuration(150); timeLine.setFrameRange(0, 150); connect(&timeLine, SIGNAL(frameChanged(int)), this, SLOT(setFrame(int))); connect(&timeLine, SIGNAL(finished()), this, SLOT(updateItemPosition())); adjust(); } void ImageItem::hoverEnterEvent(QGraphicsSceneHoverEvent * /*event*/) { timeLine.setDirection(QTimeLine::Forward); if (z != 1.0) { z = 1.0; updateItemPosition(); } if (timeLine.state() == QTimeLine::NotRunning) timeLine.start(); } void ImageItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * /*event*/) { timeLine.setDirection(QTimeLine::Backward); if (z != 0.0) z = 0.0; if (timeLine.state() == QTimeLine::NotRunning) timeLine.start(); } void ImageItem::setFrame(int frame) { adjust(); QPointF center = boundingRect().center(); translate(center.x(), center.y()); scale(1 + frame / 330.0, 1 + frame / 330.0); translate(-center.x(), -center.y()); } void ImageItem::adjust() { QMatrix matrix; matrix.scale(150/ boundingRect().width(), 120/ boundingRect().height()); setMatrix(matrix); } int ImageItem::id() { return recordId; } void ImageItem::updateItemPosition() { setZValue(z); }
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.5.1 |