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diff --git a/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp b/examples/widgets/graphicsview/embeddeddialogs/customproxy.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the demonstration applications of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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 1.1, 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "customproxy.h"
+
+#include <QtWidgets>
+
+CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
+ : QGraphicsProxyWidget(parent, wFlags), popupShown(false), currentPopup(0)
+{
+ timeLine = new QTimeLine(250, this);
+ connect(timeLine, SIGNAL(valueChanged(qreal)),
+ this, SLOT(updateStep(qreal)));
+ connect(timeLine, SIGNAL(stateChanged(QTimeLine::State)),
+ this, SLOT(stateChanged(QTimeLine::State)));
+}
+
+QRectF CustomProxy::boundingRect() const
+{
+ return QGraphicsProxyWidget::boundingRect().adjusted(0, 0, 10, 10);
+}
+
+void CustomProxy::paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option,
+ QWidget *widget)
+{
+ const QColor color(0, 0, 0, 64);
+
+ QRectF r = windowFrameRect();
+ QRectF right(r.right(), r.top() + 10, 10, r.height() - 10);
+ QRectF bottom(r.left() + 10, r.bottom(), r.width(), 10);
+ bool intersectsRight = right.intersects(option->exposedRect);
+ bool intersectsBottom = bottom.intersects(option->exposedRect);
+ if (intersectsRight && intersectsBottom) {
+ QPainterPath path;
+ path.addRect(right);
+ path.addRect(bottom);
+ painter->setPen(Qt::NoPen);
+ painter->setBrush(color);
+ painter->drawPath(path);
+ } else if (intersectsBottom) {
+ painter->fillRect(bottom, color);
+ } else if (intersectsRight) {
+ painter->fillRect(right, color);
+ }
+
+ QGraphicsProxyWidget::paintWindowFrame(painter, option, widget);
+}
+
+void CustomProxy::hoverEnterEvent(QGraphicsSceneHoverEvent *event)
+{
+ QGraphicsProxyWidget::hoverEnterEvent(event);
+ scene()->setActiveWindow(this);
+ if (timeLine->currentValue() != 1)
+ zoomIn();
+}
+
+void CustomProxy::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
+{
+ QGraphicsProxyWidget::hoverLeaveEvent(event);
+ if (!popupShown && (timeLine->direction() != QTimeLine::Backward || timeLine->currentValue() != 0))
+ zoomOut();
+}
+
+bool CustomProxy::sceneEventFilter(QGraphicsItem *watched, QEvent *event)
+{
+ if (watched->isWindow() && (event->type() == QEvent::UngrabMouse || event->type() == QEvent::GrabMouse)) {
+ popupShown = watched->isVisible();
+ if (!popupShown && !isUnderMouse())
+ zoomOut();
+ }
+ return QGraphicsProxyWidget::sceneEventFilter(watched, event);
+}
+
+QVariant CustomProxy::itemChange(GraphicsItemChange change, const QVariant &value)
+{
+ if (change == ItemChildAddedChange || change == ItemChildRemovedChange) {
+ if (change == ItemChildAddedChange) {
+ currentPopup = qvariant_cast<QGraphicsItem *>(value);
+ currentPopup->setCacheMode(ItemCoordinateCache);
+ if (scene())
+ currentPopup->installSceneEventFilter(this);
+ } else if (scene()) {
+ currentPopup->removeSceneEventFilter(this);
+ currentPopup = 0;
+ }
+ } else if (currentPopup && change == ItemSceneHasChanged) {
+ currentPopup->installSceneEventFilter(this);
+ }
+ return QGraphicsProxyWidget::itemChange(change, value);
+}
+
+void CustomProxy::updateStep(qreal step)
+{
+ QRectF r = boundingRect();
+ setTransform(QTransform()
+ .translate(r.width() / 2, r.height() / 2)
+ .rotate(step * 30, Qt::XAxis)
+ .rotate(step * 10, Qt::YAxis)
+ .rotate(step * 5, Qt::ZAxis)
+ .scale(1 + 1.5 * step, 1 + 1.5 * step)
+ .translate(-r.width() / 2, -r.height() / 2));
+}
+
+void CustomProxy::stateChanged(QTimeLine::State state)
+{
+ if (state == QTimeLine::Running) {
+ if (timeLine->direction() == QTimeLine::Forward)
+ setCacheMode(ItemCoordinateCache);
+ } else if (state == QTimeLine::NotRunning) {
+ if (timeLine->direction() == QTimeLine::Backward)
+ setCacheMode(DeviceCoordinateCache);
+ }
+}
+
+void CustomProxy::zoomIn()
+{
+ if (timeLine->direction() != QTimeLine::Forward)
+ timeLine->setDirection(QTimeLine::Forward);
+ if (timeLine->state() == QTimeLine::NotRunning)
+ timeLine->start();
+}
+
+void CustomProxy::zoomOut()
+{
+ if (timeLine->direction() != QTimeLine::Backward)
+ timeLine->setDirection(QTimeLine::Backward);
+ if (timeLine->state() == QTimeLine::NotRunning)
+ timeLine->start();
+}