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diff --git a/examples/widgets/widgets/icons/iconpreviewarea.cpp b/examples/widgets/widgets/icons/iconpreviewarea.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the examples 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 "iconpreviewarea.h"
-
-#include <QGridLayout>
-#include <QLabel>
-
-//! [0]
-IconPreviewArea::IconPreviewArea(QWidget *parent)
- : QWidget(parent)
-{
- QGridLayout *mainLayout = new QGridLayout(this);
-
- for (int row = 0; row < NumStates; ++row) {
- stateLabels[row] = createHeaderLabel(IconPreviewArea::iconStateNames().at(row));
- mainLayout->addWidget(stateLabels[row], row + 1, 0);
- }
- Q_ASSERT(NumStates == 2);
-
- for (int column = 0; column < NumModes; ++column) {
- modeLabels[column] = createHeaderLabel(IconPreviewArea::iconModeNames().at(column));
- mainLayout->addWidget(modeLabels[column], 0, column + 1);
- }
- Q_ASSERT(NumModes == 4);
-
- for (int column = 0; column < NumModes; ++column) {
- for (int row = 0; row < NumStates; ++row) {
- pixmapLabels[column][row] = createPixmapLabel();
- mainLayout->addWidget(pixmapLabels[column][row], row + 1, column + 1);
- }
- }
-}
-//! [0]
-
-//! [42]
-QList<QIcon::Mode> IconPreviewArea::iconModes()
-{
- static const QList<QIcon::Mode> result = { QIcon::Normal, QIcon::Active, QIcon::Disabled,
- QIcon::Selected };
- return result;
-}
-
-QList<QIcon::State> IconPreviewArea::iconStates()
-{
- static const QList<QIcon::State> result = { QIcon::Off, QIcon::On };
- return result;
-}
-
-QStringList IconPreviewArea::iconModeNames()
-{
- static const QStringList result = {tr("Normal"), tr("Active"), tr("Disabled"), tr("Selected")};
- return result;
-}
-
-QStringList IconPreviewArea::iconStateNames()
-{
- static const QStringList result = {tr("Off"), tr("On")};
- return result;
-}
-//! [42]
-
-//! [1]
-void IconPreviewArea::setIcon(const QIcon &icon)
-{
- this->icon = icon;
- updatePixmapLabels();
-}
-//! [1]
-
-//! [2]
-void IconPreviewArea::setSize(const QSize &size)
-{
- if (size != this->size) {
- this->size = size;
- updatePixmapLabels();
- }
-}
-//! [2]
-
-//! [3]
-QLabel *IconPreviewArea::createHeaderLabel(const QString &text)
-{
- QLabel *label = new QLabel(tr("<b>%1</b>").arg(text));
- label->setAlignment(Qt::AlignCenter);
- return label;
-}
-//! [3]
-
-//! [4]
-QLabel *IconPreviewArea::createPixmapLabel()
-{
- QLabel *label = new QLabel;
- label->setEnabled(false);
- label->setAlignment(Qt::AlignCenter);
- label->setFrameShape(QFrame::Box);
- label->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
- label->setBackgroundRole(QPalette::Base);
- label->setAutoFillBackground(true);
- label->setMinimumSize(132, 132);
- return label;
-}
-//! [4]
-
-//! [5]
-void IconPreviewArea::updatePixmapLabels()
-{
- QWindow *window = nullptr;
- if (const QWidget *nativeParent = nativeParentWidget())
- window = nativeParent->windowHandle();
- for (int column = 0; column < NumModes; ++column) {
- for (int row = 0; row < NumStates; ++row) {
- const QPixmap pixmap =
- icon.pixmap(window, size, IconPreviewArea::iconModes().at(column),
- IconPreviewArea::iconStates().at(row));
- QLabel *pixmapLabel = pixmapLabels[column][row];
- pixmapLabel->setPixmap(pixmap);
- pixmapLabel->setEnabled(!pixmap.isNull());
- QString toolTip;
- if (!pixmap.isNull()) {
- const QSize actualSize = icon.actualSize(size);
- toolTip =
- tr("Size: %1x%2\nActual size: %3x%4\nDevice pixel ratio: %5")
- .arg(size.width()).arg(size.height())
- .arg(actualSize.width()).arg(actualSize.height())
- .arg(pixmap.devicePixelRatio());
- }
- pixmapLabel->setToolTip(toolTip);
- }
- }
-}
-//! [5]