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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);
sendButton->setEnabled(false);
connect(messageLineEdit, &QLineEdit::textChanged,
this, &ChatMainWindow::textChangedSlot);
connect(sendButton, &QPushButton::clicked,
this, &ChatMainWindow::sendClickedSlot);
connect(actionChangeNickname, &QAction::triggered,
this, &ChatMainWindow::changeNickname);
connect(actionAboutQt, &QAction::triggered,
this, &ChatMainWindow::aboutQt);
connect(qApp, &QApplication::lastWindowClosed,
this, &ChatMainWindow::exiting);
// 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);
QDBusConnection::sessionBus().connect(QString(), QString(), "org.example.chat", "message", this, SLOT(messageSlot(QString,QString)));
connect(iface, &org::example::chat::action,
this, &ChatMainWindow::actionSlot);
if (!changeNickname(true))
QMetaObject::invokeMethod(qApp, &QApplication::quit, Qt::QueuedConnection);
}
void ChatMainWindow::rebuildHistory()
{
QString history = m_messages.join( QLatin1String("\n" ) );
chatHistory->setPlainText(history);
}
void ChatMainWindow::messageSlot(const QString &nickname, const QString &text)
{
QString msg( QLatin1String("<%1> %2") );
msg = msg.arg(nickname, text);
m_messages.append(msg);
if (m_messages.count() > 100)
m_messages.removeFirst();
rebuildHistory();
}
void ChatMainWindow::actionSlot(const QString &nickname, const QString &text)
{
QString msg( QLatin1String("* %1 %2") );
msg = msg.arg(nickname, text);
m_messages.append(msg);
if (m_messages.count() > 100)
m_messages.removeFirst();
rebuildHistory();
}
void ChatMainWindow::textChangedSlot(const QString &newText)
{
sendButton->setEnabled(!newText.isEmpty());
}
void ChatMainWindow::sendClickedSlot()
{
QDBusMessage msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
msg << m_nickname << messageLineEdit->text();
QDBusConnection::sessionBus().send(msg);
messageLineEdit->setText(QString());
}
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;
}
void ChatMainWindow::aboutQt()
{
QMessageBox::aboutQt(this);
}
void ChatMainWindow::exiting()
{
emit action(m_nickname, QLatin1String("leaves the chat"));
}
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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