diff options
Diffstat (limited to 'examples/corelib/ipc/localfortuneclient/client.cpp')
| -rw-r--r-- | examples/corelib/ipc/localfortuneclient/client.cpp | 80 |
1 files changed, 16 insertions, 64 deletions
diff --git a/examples/corelib/ipc/localfortuneclient/client.cpp b/examples/corelib/ipc/localfortuneclient/client.cpp index 1ab0c34d6c..b71409560b 100644 --- a/examples/corelib/ipc/localfortuneclient/client.cpp +++ b/examples/corelib/ipc/localfortuneclient/client.cpp @@ -1,61 +1,19 @@ -/**************************************************************************** -** -** 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 <QtNetwork> +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause #include "client.h" +#include <QDialogButtonBox> +#include <QGridLayout> +#include <QGuiApplication> +#include <QMessageBox> +#include <QTimer> + +using namespace Qt::StringLiterals; + Client::Client(QWidget *parent) : QDialog(parent), - hostLineEdit(new QLineEdit("fortune")), + hostLineEdit(new QLineEdit(u"fortune"_s)), getFortuneButton(new QPushButton(tr("Get Fortune"))), statusLabel(new QLabel(tr("This examples requires that you run the " "Local Fortune Server example as well."))), @@ -75,7 +33,7 @@ Client::Client(QWidget *parent) buttonBox->addButton(quitButton, QDialogButtonBox::RejectRole); in.setDevice(socket); - in.setVersion(QDataStream::Qt_5_10); + in.setVersion(QDataStream::Qt_6_0); connect(hostLineEdit, &QLineEdit::textChanged, this, &Client::enableGetFortuneButton); @@ -105,20 +63,14 @@ void Client::requestNewFortune() void Client::readFortune() { - if (blockSize == 0) { - // Relies on the fact that QDataStream serializes a quint32 into - // sizeof(quint32) bytes - if (socket->bytesAvailable() < (int)sizeof(quint32)) - return; - in >> blockSize; - } - - if (socket->bytesAvailable() < blockSize || in.atEnd()) - return; + in.startTransaction(); QString nextFortune; in >> nextFortune; + if (!in.commitTransaction()) + return; + if (nextFortune == currentFortune) { QTimer::singleShot(0, this, &Client::requestNewFortune); return; |