1 files changed, 123 insertions, 0 deletions
diff --git a/examples/sql/drilldown/imageitem.cpp b/examples/sql/drilldown/imageitem.cpp
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+++ b/examples/sql/drilldown/imageitem.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "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."
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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]
+
+