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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) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the demonstration applications of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:BSD$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** BSD License Usage
-** Alternatively, 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 The Qt Company Ltd 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 "customproxy.h"
-
-#include <QGraphicsScene>
-#include <QPainter>
-#include <QStyleOptionGraphicsItem>
-
-CustomProxy::CustomProxy(QGraphicsItem *parent, Qt::WindowFlags wFlags)
- : QGraphicsProxyWidget(parent, wFlags), timeLine(new QTimeLine(250, this))
-{
- connect(timeLine, &QTimeLine::valueChanged,
- this, &CustomProxy::updateStep);
- connect(timeLine, &QTimeLine::stateChanged,
- this, &CustomProxy::stateChanged);
-}
-
-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 (qFuzzyCompare(timeLine->currentValue(), 1))
- zoomIn();
-}
-
-void CustomProxy::hoverLeaveEvent(QGraphicsSceneHoverEvent *event)
-{
- QGraphicsProxyWidget::hoverLeaveEvent(event);
- if (!popupShown
- && (timeLine->direction() != QTimeLine::Backward || qFuzzyIsNull(timeLine->currentValue()))) {
- 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 = nullptr;
- }
- } 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();
-}