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// 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"
#include "chat_adaptor.h"
#include "chat_interface.h"
ChatMainWindow::ChatMainWindow()
{
setupUi(this);
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);
auto connection = QDBusConnection::sessionBus();
connection.registerObject("/", this);
using org::example::chat;
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 (!changeNickname(true))
QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
}
void ChatMainWindow::displayMessage(const QString &message)
{
m_messages.append(message);
if (m_messages.count() > 100)
m_messages.removeFirst();
auto history = m_messages.join(QLatin1String("\n"));
chatHistory->setPlainText(history);
}
bool ChatMainWindow::changeNickname(bool initial)
{
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;
}
return false;
}
int main(int argc, char **argv)
{
QApplication app(argc, argv);
if (!QDBusConnection::sessionBus().isConnected()) {
qWarning("Cannot connect to the D-Bus session bus.\n"
"Please check your system settings and try again.\n");
return 1;
}
ChatMainWindow chat;
chat.show();
return app.exec();
}
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