examples/graphicsview/padnavigator/splashitem.cpp
changeset 30 5dc02b23752f
parent 18 2f34d5167611
--- a/examples/graphicsview/padnavigator/splashitem.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/examples/graphicsview/padnavigator/splashitem.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -6,35 +6,34 @@
 **
 ** This file is part of the examples 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.
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
 **
-** 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.
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+**   * Redistributions of source code must retain the above copyright
+**     notice, this list of conditions and the following disclaimer.
+**   * Redistributions in binary form must reproduce the above copyright
+**     notice, this list of conditions and the following disclaimer in
+**     the documentation and/or other materials provided with the
+**     distribution.
+**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+**     the names of its contributors may be used to endorse or promote
+**     products derived from this software without specific prior written
+**     permission.
 **
-**
-**
-**
-**
-**
-**
-**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/
@@ -43,31 +42,36 @@
 
 #include <QtGui/QtGui>
 
+//! [0]
 SplashItem::SplashItem(QGraphicsItem *parent)
-    : QGraphicsWidget(parent)
+    : QGraphicsObject(parent)
 {
-    opacity = 1.0;
-
-    
-    timeLine = new QTimeLine(350);
-    timeLine->setCurveShape(QTimeLine::EaseInCurve);
-    connect(timeLine, SIGNAL(valueChanged(qreal)), this, SLOT(setValue(qreal)));
-
     text = tr("Welcome to the Pad Navigator Example. You can use the"
               " keyboard arrows to navigate the icons, and press enter"
-              " to activate an item. Please press any key to continue.");
-    resize(400, 175);
+              " to activate an item. Press any key to begin.");
+    setCacheMode(DeviceCoordinateCache);
 }
+//! [0]
 
-void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
+//! [1]
+QRectF SplashItem::boundingRect() const
 {
-    painter->setOpacity(opacity);
+    return QRectF(0, 0, 400, 175);
+}
+//! [1]
+
+//! [2]
+void SplashItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
+                       QWidget *widget)
+{
+    Q_UNUSED(option);
+    Q_UNUSED(widget);
     painter->setPen(QPen(Qt::black, 2));
     painter->setBrush(QColor(245, 245, 255, 220));
-    painter->setClipRect(rect());
+    painter->setClipRect(boundingRect());
     painter->drawRoundRect(3, -100 + 3, 400 - 6, 250 - 6);
 
-    QRectF textRect = rect().adjusted(10, 10, -10, -10);
+    QRectF textRect = boundingRect().adjusted(10, 10, -10, -10);
     int flags = Qt::AlignTop | Qt::AlignLeft | Qt::TextWordWrap;
 
     QFont font;
@@ -76,17 +80,4 @@
     painter->setFont(font);
     painter->drawText(textRect, flags, text);
 }
-
-void SplashItem::keyPressEvent(QKeyEvent * /* event */)
-{
-    if (timeLine->state() == QTimeLine::NotRunning)
-        timeLine->start();
-}
-
-void SplashItem::setValue(qreal value)
-{
-    opacity = 1 - value;
-    setPos(x(), scene()->sceneRect().top() - rect().height() * value);
-    if (value == 1)
-        hide();
-}
+//! [2]