1 files changed, 10 insertions, 59 deletions

diff --git a/src/widgets/doc/snippets/reading-selections/window.cpp b/src/widgets/doc/snippets/reading-selections/window.cpp
index 08805fe4b3..fe1a79e331 100644
--- a/src/widgets/doc/snippets/reading-selections/window.cpp
+++ b/src/widgets/doc/snippets/reading-selections/window.cpp
@@ -1,52 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the documentation 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
 
 /*
   window.cpp
@@ -81,9 +34,9 @@ MainWindow::MainWindow(QWidget *parent)
     QAction *selectAllAction = actionMenu->addAction(tr("&Select All"));
     menuBar()->addMenu(actionMenu);
 
-    connect(fillAction, SIGNAL(triggered()), this, SLOT(fillSelection()));
-    connect(clearAction, SIGNAL(triggered()), this, SLOT(clearSelection()));
-    connect(selectAllAction, SIGNAL(triggered()), this, SLOT(selectAll()));
+    connect(fillAction, &QAction::triggered, this, &MainWindow::fillSelection);
+    connect(clearAction, &QAction::triggered, this, &MainWindow::clearSelection);
+    connect(selectAllAction, &QAction::triggered, this, &MainWindow::selectAll);
 
     selectionModel = table->selectionModel();
 
@@ -94,10 +47,9 @@ MainWindow::MainWindow(QWidget *parent)
 void MainWindow::fillSelection()
 {
 //! [0]
-    QModelIndexList indexes = selectionModel->selectedIndexes();
-    QModelIndex index;
+    const QModelIndexList indexes = selectionModel->selectedIndexes();
 
-    foreach(index, indexes) {
+    for (const QModelIndex &index : indexes) {
         QString text = QString("(%1,%2)").arg(index.row()).arg(index.column());
         model->setData(index, text);
     }
@@ -106,11 +58,10 @@ void MainWindow::fillSelection()
 
 void MainWindow::clearSelection()
 {
-    QModelIndexList indexes = selectionModel->selectedIndexes();
-    QModelIndex index;
+    const QModelIndexList indexes = selectionModel->selectedIndexes();
 
-    foreach(index, indexes)
-        model->setData(index, "");
+    for (const QModelIndex &index : indexes)
+        model->setData(index, QString());
 }
 
 void MainWindow::selectAll()