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diff --git a/examples/widgets/tutorials/addressbook/part2/addressbook.cpp b/examples/widgets/tutorials/addressbook/part2/addressbook.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 <QtWidgets>
-#include "addressbook.h"
-
-AddressBook::AddressBook(QWidget *parent)
- : QWidget(parent)
-{
- QLabel *nameLabel = new QLabel(tr("Name:"));
- nameLine = new QLineEdit;
-//! [setting readonly 1]
- nameLine->setReadOnly(true);
-//! [setting readonly 1]
- QLabel *addressLabel = new QLabel(tr("Address:"));
- addressText = new QTextEdit;
-//! [setting readonly 2]
- addressText->setReadOnly(true);
-//! [setting readonly 2]
-
-//! [pushbutton declaration]
- addButton = new QPushButton(tr("&Add"));
- addButton->show();
- submitButton = new QPushButton(tr("&Submit"));
- submitButton->hide();
- cancelButton = new QPushButton(tr("&Cancel"));
- cancelButton->hide();
-//! [pushbutton declaration]
-//! [connecting signals and slots]
- connect(addButton, &QPushButton::clicked,
- this, &AddressBook::addContact);
- connect(submitButton, &QPushButton::clicked,
- this, &AddressBook::submitContact);
- connect(cancelButton, &QPushButton::clicked,
- this, &AddressBook::cancel);
-//! [connecting signals and slots]
-//! [vertical layout]
- QVBoxLayout *buttonLayout1 = new QVBoxLayout;
- buttonLayout1->addWidget(addButton, Qt::AlignTop);
- buttonLayout1->addWidget(submitButton);
- buttonLayout1->addWidget(cancelButton);
- buttonLayout1->addStretch();
-//! [vertical layout]
-//! [grid layout]
- QGridLayout *mainLayout = new QGridLayout;
- mainLayout->addWidget(nameLabel, 0, 0);
- mainLayout->addWidget(nameLine, 0, 1);
- mainLayout->addWidget(addressLabel, 1, 0, Qt::AlignTop);
- mainLayout->addWidget(addressText, 1, 1);
- mainLayout->addLayout(buttonLayout1, 1, 2);
-//! [grid layout]
- setLayout(mainLayout);
- setWindowTitle(tr("Simple Address Book"));
-}
-//! [addContact]
-void AddressBook::addContact()
-{
- oldName = nameLine->text();
- oldAddress = addressText->toPlainText();
-
- nameLine->clear();
- addressText->clear();
-
- nameLine->setReadOnly(false);
- nameLine->setFocus(Qt::OtherFocusReason);
- addressText->setReadOnly(false);
-
- addButton->setEnabled(false);
- submitButton->show();
- cancelButton->show();
-}
-//! [addContact]
-
-//! [submitContact part1]
-void AddressBook::submitContact()
-{
- QString name = nameLine->text();
- QString address = addressText->toPlainText();
-
- if (name.isEmpty() || address.isEmpty()) {
- QMessageBox::information(this, tr("Empty Field"),
- tr("Please enter a name and address."));
- return;
- }
-//! [submitContact part1]
-//! [submitContact part2]
- if (!contacts.contains(name)) {
- contacts.insert(name, address);
- QMessageBox::information(this, tr("Add Successful"),
- tr("\"%1\" has been added to your address book.").arg(name));
- } else {
- QMessageBox::information(this, tr("Add Unsuccessful"),
- tr("Sorry, \"%1\" is already in your address book.").arg(name));
- return;
- }
-//! [submitContact part2]
-//! [submitContact part3]
- if (contacts.isEmpty()) {
- nameLine->clear();
- addressText->clear();
- }
-
- nameLine->setReadOnly(true);
- addressText->setReadOnly(true);
- addButton->setEnabled(true);
- submitButton->hide();
- cancelButton->hide();
-}
-//! [submitContact part3]
-//! [cancel]
-void AddressBook::cancel()
-{
- nameLine->setText(oldName);
- nameLine->setReadOnly(true);
-
- addressText->setText(oldAddress);
- addressText->setReadOnly(true);
-
- addButton->setEnabled(true);
- submitButton->hide();
- cancelButton->hide();
-}
-//! [cancel]