Changeset 846 for trunk/examples/graphicsview/padnavigator/splashitem.cpp
- Timestamp:
- May 5, 2011, 5:36:53 AM (14 years ago)
- Location:
- trunk
- Files:
-
- 2 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk
- Property svn:mergeinfo changed
/branches/vendor/nokia/qt/4.7.2 (added) merged: 845 /branches/vendor/nokia/qt/current merged: 844 /branches/vendor/nokia/qt/4.6.3 removed
- Property svn:mergeinfo changed
-
trunk/examples/graphicsview/padnavigator/splashitem.cpp
r651 r846 1 1 /**************************************************************************** 2 2 ** 3 ** Copyright (C) 201 0Nokia Corporation and/or its subsidiary(-ies).3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). 4 4 ** All rights reserved. 5 5 ** Contact: Nokia Corporation (qt-info@nokia.com) … … 7 7 ** This file is part of the examples of the Qt Toolkit. 8 8 ** 9 ** $QT_BEGIN_LICENSE:LGPL$ 10 ** Commercial Usage 11 ** Licensees holding valid Qt Commercial licenses may use this file in 12 ** accordance with the Qt Commercial License Agreement provided with the 13 ** Software or, alternatively, in accordance with the terms contained in 14 ** a written agreement between you and Nokia. 9 ** $QT_BEGIN_LICENSE:BSD$ 10 ** You may use this file under the terms of the BSD license as follows: 15 11 ** 16 ** GNU Lesser General Public License Usage 17 ** Alternatively, this file may be used under the terms of the GNU Lesser 18 ** General Public License version 2.1 as published by the Free Software 19 ** Foundation and appearing in the file LICENSE.LGPL included in the 20 ** packaging of this file. Please review the following information to 21 ** ensure the GNU Lesser General Public License version 2.1 requirements 22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 12 ** "Redistribution and use in source and binary forms, with or without 13 ** modification, are permitted provided that the following conditions are 14 ** met: 15 ** * Redistributions of source code must retain the above copyright 16 ** notice, this list of conditions and the following disclaimer. 17 ** * Redistributions in binary form must reproduce the above copyright 18 ** notice, this list of conditions and the following disclaimer in 19 ** the documentation and/or other materials provided with the 20 ** distribution. 21 ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor 22 ** the names of its contributors may be used to endorse or promote 23 ** products derived from this software without specific prior written 24 ** permission. 23 25 ** 24 ** In addition, as a special exception, Nokia gives you certain additional 25 ** rights. These rights are described in the Nokia Qt LGPL Exception 26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 27 ** 28 ** GNU General Public License Usage 29 ** Alternatively, this file may be used under the terms of the GNU 30 ** General Public License version 3.0 as published by the Free Software 31 ** Foundation and appearing in the file LICENSE.GPL included in the 32 ** packaging of this file. Please review the following information to 33 ** ensure the GNU General Public License version 3.0 requirements will be 34 ** met: http://www.gnu.org/copyleft/gpl.html. 35 ** 36 ** If you have questions regarding the use of this file, please contact 37 ** Nokia at qt-info@nokia.com. 26 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 27 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 28 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 29 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 30 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 31 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 32 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 33 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 34 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 35 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 36 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." 38 37 ** $QT_END_LICENSE$ 39 38 ** … … 44 43 #include <QtGui/QtGui> 45 44 45 //! [0] 46 46 SplashItem::SplashItem(QGraphicsItem *parent) 47 : QGraphics Widget(parent)47 : QGraphicsObject(parent) 48 48 { 49 opacity = 1.0;50 51 52 timeLine = new QTimeLine(350);53 timeLine->setCurveShape(QTimeLine::EaseInCurve);54 connect(timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(setValue(qreal)));55 56 49 text = tr("Welcome to the Pad Navigator Example. You can use the" 57 50 " keyboard arrows to navigate the icons, and press enter" 58 " to activate an item. P lease press any key to continue.");59 resize(400, 175);51 " to activate an item. Press any key to begin."); 52 setCacheMode(DeviceCoordinateCache); 60 53 } 54 //! [0] 61 55 62 void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *) 56 //! [1] 57 QRectF SplashItem::boundingRect() const 63 58 { 64 painter->setOpacity(opacity); 59 return QRectF(0, 0, 400, 175); 60 } 61 //! [1] 62 63 //! [2] 64 void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, 65 QWidget *widget) 66 { 67 Q_UNUSED(option); 68 Q_UNUSED(widget); 65 69 painter->setPen(QPen(Qt::black, 2)); 66 70 painter->setBrush(QColor(245, 245, 255, 220)); 67 painter->setClipRect( rect());71 painter->setClipRect(boundingRect()); 68 72 painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6); 69 73 70 QRectF textRect = rect().adjusted(10, 10, -10, -10);74 QRectF textRect = boundingRect().adjusted(10, 10, -10, -10); 71 75 int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap; 72 76 … … 77 81 painter->drawText(textRect, flags, text); 78 82 } 79 80 void SplashItem::keyPressEvent(QKeyEvent * /* event */) 81 { 82 if (timeLine->state() == QTimeLine::NotRunning) 83 timeLine->start(); 84 } 85 86 void SplashItem::setValue(qreal value) 87 { 88 opacity = 1 - value; 89 setPos(x(), scene()->sceneRect().top() - rect().height() * value); 90 if (value == 1) 91 hide(); 92 } 83 //! [2]
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