1 files changed, 124 insertions, 0 deletions
diff --git a/examples/sql/drilldown/imageitem.cpp b/examples/sql/drilldown/imageitem.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "imageitem.h"
+
+//! [0]
+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();
+}
+//! [0]
+
+//! [1]
+void ImageItem::hoverEnterEvent(QGraphicsSceneHoverEvent * /*event*/)
+{
+    timeLine.setDirection(QTimeLine::Forward);
+
+    if (z != 1.0) {
+        z = 1.0;
+        updateItemPosition();
+    }
+
+    if (timeLine.state() == QTimeLine::NotRunning)
+        timeLine.start();
+}
+//! [1]
+
+//! [2]
+void ImageItem::hoverLeaveEvent(QGraphicsSceneHoverEvent * /*event*/)
+{
+    timeLine.setDirection(QTimeLine::Backward);
+    if (z != 0.0)
+        z = 0.0;
+
+    if (timeLine.state() == QTimeLine::NotRunning)
+        timeLine.start();
+}
+//! [2]
+
+//! [3]
+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());
+}
+//! [3]
+
+//! [4]
+void ImageItem::adjust()
+{
+    QMatrix matrix;
+    matrix.scale(150/ boundingRect().width(), 120/ boundingRect().height());
+    setMatrix(matrix);
+}
+//! [4]
+
+//! [5]
+int ImageItem::id()
+{
+    return recordId;
+}
+//! [5]
+
+//! [6]
+void ImageItem::updateItemPosition()
+{
+    setZValue(z);
+}
+//! [6]
+
+