qt5base-lts/examples/dbus/dbus-chat/chat.cpp
Jason McDonald 5635823e17 Remove "All rights reserved" line from license headers.
As in the past, to avoid rewriting various autotests that contain
line-number information, an extra blank line has been inserted at the
end of the license text to ensure that this commit does not change the
total number of lines in the license header.

Change-Id: I311e001373776812699d6efc045b5f742890c689
Reviewed-by: Rohan McGovern <rohan.mcgovern@nokia.com>
2012-01-30 03:54:59 +01:00

164 lines
5.5 KiB
C++

/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Nokia Corporation and its Subsidiary(-ies) 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 "chat.h"
#include <QtWidgets/QApplication>
#include <QtWidgets/QMessageBox>
#include "chat_adaptor.h"
#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()));
// add our D-Bus interface and connect to D-Bus
new ChatAdaptor(this);
QDBusConnection::sessionBus().registerObject("/", this);
com::trolltech::chat *iface;
iface = new com::trolltech::chat(QString(), QString(), QDBusConnection::sessionBus(), this);
//connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString)));
QDBusConnection::sessionBus().connect(QString(), QString(), "com.trolltech.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()
{
}
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()
{
//emit message(m_nickname, messageLineEdit->text());
QDBusMessage msg = QDBusMessage::createSignal("/", "com.trolltech.chat", "message");
msg << m_nickname << messageLineEdit->text();
QDBusConnection::sessionBus().send(msg);
messageLineEdit->setText(QString());
}
void ChatMainWindow::changeNickname()
{
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));
}
}
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);
}
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();
}