/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:LGPL$ ** No Commercial Usage ** This file contains pre-release code and may not be distributed. ** You may use this file in accordance with the terms and conditions ** contained in the Technology Preview License Agreement accompanying ** this package. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser ** General Public License version 2.1 as published by the Free Software ** Foundation and appearing in the file LICENSE.LGPL included in the ** packaging of this file. Please review the following information to ** ensure the GNU Lesser General Public License version 2.1 requirements ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. ** ** In addition, as a special exception, Nokia gives you certain additional ** rights. These rights are described in the Nokia Qt LGPL Exception ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. ** ** If you have questions regarding the use of this file, please contact ** Nokia at qt-info@nokia.com. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #include "chat.h" #include #include #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(); }