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-rw-r--r--examples/dbus/chat/chat.cpp170
1 files changed, 44 insertions, 126 deletions
diff --git a/examples/dbus/chat/chat.cpp b/examples/dbus/chat/chat.cpp
index 7855457a82..cced911955 100644
--- a/examples/dbus/chat/chat.cpp
+++ b/examples/dbus/chat/chat.cpp
@@ -1,54 +1,8 @@
-/****************************************************************************
-**
-** 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."
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#include <QApplication>
+#include <QInputDialog>
#include <QMessageBox>
#include "chat.h"
@@ -56,105 +10,69 @@
#include "chat_interface.h"
ChatMainWindow::ChatMainWindow()
- : m_nickname(QLatin1String("nickname"))
{
setupUi(this);
- sendButton->setEnabled(false);
- connect(messageLineEdit, SIGNAL(textChanged(QString)),
- this, SLOT(textChangedSlot(QString)));
- connect(sendButton, SIGNAL(clicked(bool)), this, SLOT(sendClickedSlot()));
- connect(actionChangeNickname, SIGNAL(triggered(bool)), this, SLOT(changeNickname()));
- connect(actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(aboutQt()));
- connect(qApp, SIGNAL(lastWindowClosed()), this, SLOT(exiting()));
+ connect(messageLineEdit, &QLineEdit::textChanged, this,
+ [this](const QString &newText) { sendButton->setEnabled(!newText.isEmpty()); });
+ connect(sendButton, &QPushButton::clicked, this, [this]() {
+ emit message(m_nickname, messageLineEdit->text());
+ messageLineEdit->clear();
+ });
+ connect(actionChangeNickname, &QAction::triggered,
+ this, &ChatMainWindow::changeNickname);
+ connect(actionAboutQt, &QAction::triggered, this, [this]() { QMessageBox::aboutQt(this); });
+ connect(qApp, &QApplication::lastWindowClosed, this,
+ [this]() { emit action(m_nickname, tr("leaves the chat")); });
// add our D-Bus interface and connect to D-Bus
new ChatAdaptor(this);
- QDBusConnection::sessionBus().registerObject("/", this);
-
- org::example::chat *iface;
- iface = new org::example::chat(QString(), QString(), QDBusConnection::sessionBus(), this);
- //connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString)));
- QDBusConnection::sessionBus().connect(QString(), QString(), "org.example.chat", "message", this, SLOT(messageSlot(QString,QString)));
- connect(iface, SIGNAL(action(QString,QString)), this, SLOT(actionSlot(QString,QString)));
-
- NicknameDialog dialog;
- dialog.cancelButton->setVisible(false);
- dialog.exec();
- m_nickname = dialog.nickname->text().trimmed();
- emit action(m_nickname, QLatin1String("joins the chat"));
-}
-ChatMainWindow::~ChatMainWindow()
-{
-}
+ auto connection = QDBusConnection::sessionBus();
+ connection.registerObject("/", this);
-void ChatMainWindow::rebuildHistory()
-{
- QString history = m_messages.join( QLatin1String("\n" ) );
- chatHistory->setPlainText(history);
-}
+ using org::example::chat;
-void ChatMainWindow::messageSlot(const QString &nickname, const QString &text)
-{
- QString msg( QLatin1String("<%1> %2") );
- msg = msg.arg(nickname, text);
- m_messages.append(msg);
+ auto *iface = new chat({}, {}, connection, this);
+ connect(iface, &chat::message, this, [this](const QString &nickname, const QString &text) {
+ displayMessage(tr("<%1> %2").arg(nickname, text));
+ });
+ connect(iface, &chat::action, this, [this](const QString &nickname, const QString &text) {
+ displayMessage(tr("* %1 %2").arg(nickname, text));
+ });
- if (m_messages.count() > 100)
- m_messages.removeFirst();
- rebuildHistory();
+ if (!changeNickname(true))
+ QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
}
-void ChatMainWindow::actionSlot(const QString &nickname, const QString &text)
+void ChatMainWindow::displayMessage(const QString &message)
{
- QString msg( QLatin1String("* %1 %2") );
- msg = msg.arg(nickname, text);
- m_messages.append(msg);
+ m_messages.append(message);
if (m_messages.count() > 100)
m_messages.removeFirst();
- rebuildHistory();
-}
-
-void ChatMainWindow::textChangedSlot(const QString &newText)
-{
- sendButton->setEnabled(!newText.isEmpty());
-}
-void ChatMainWindow::sendClickedSlot()
-{
- //emit message(m_nickname, messageLineEdit->text());
- QDBusMessage msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
- msg << m_nickname << messageLineEdit->text();
- QDBusConnection::sessionBus().send(msg);
- messageLineEdit->setText(QString());
+ auto history = m_messages.join(QLatin1String("\n"));
+ chatHistory->setPlainText(history);
}
-void ChatMainWindow::changeNickname()
+bool ChatMainWindow::changeNickname(bool initial)
{
- NicknameDialog dialog(this);
- if (dialog.exec() == QDialog::Accepted) {
- QString old = m_nickname;
- m_nickname = dialog.nickname->text().trimmed();
- emit action(old, QString("is now known as %1").arg(m_nickname));
+ auto newNickname = QInputDialog::getText(this, tr("Set nickname"), tr("New nickname:"));
+ newNickname = newNickname.trimmed();
+
+ if (!newNickname.isEmpty()) {
+ auto old = m_nickname;
+ m_nickname = newNickname;
+
+ if (initial)
+ emit action(m_nickname, tr("joins the chat"));
+ else
+ emit action(old, tr("is now known as %1").arg(m_nickname));
+ return true;
}
-}
-
-void ChatMainWindow::aboutQt()
-{
- QMessageBox::aboutQt(this);
-}
-
-void ChatMainWindow::exiting()
-{
- emit action(m_nickname, QLatin1String("leaves the chat"));
-}
-NicknameDialog::NicknameDialog(QWidget *parent)
- : QDialog(parent)
-{
- setupUi(this);
+ return false;
}
int main(int argc, char **argv)
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 04:34:05 +0000