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50
51#include <QApplication>
52#include <QMessageBox>
53
54#include "chat.h"
55#include "chat_adaptor.h"
56#include "chat_interface.h"
57
58ChatMainWindow::ChatMainWindow()
59 : m_nickname(QLatin1String("nickname"))
60{
61 setupUi(this);
62 sendButton->setEnabled(false);
63
64 connect(messageLineEdit, SIGNAL(textChanged(QString)),
65 this, SLOT(textChangedSlot(QString)));
66 connect(sendButton, SIGNAL(clicked(bool)), this, SLOT(sendClickedSlot()));
67 connect(actionChangeNickname, SIGNAL(triggered(bool)), this, SLOT(changeNickname()));
68 connect(actionAboutQt, SIGNAL(triggered(bool)), this, SLOT(aboutQt()));
69 connect(qApp, SIGNAL(lastWindowClosed()), this, SLOT(exiting()));
70
71 // add our D-Bus interface and connect to D-Bus
72 new ChatAdaptor(this);
73 QDBusConnection::sessionBus().registerObject("/", this);
74
75 org::example::chat *iface;
76 iface = new org::example::chat(QString(), QString(), QDBusConnection::sessionBus(), this);
77 //connect(iface, SIGNAL(message(QString,QString)), this, SLOT(messageSlot(QString,QString)));
78 QDBusConnection::sessionBus().connect(QString(), QString(), "org.example.chat", "message", this, SLOT(messageSlot(QString,QString)));
79 connect(iface, SIGNAL(action(QString,QString)), this, SLOT(actionSlot(QString,QString)));
80
81 NicknameDialog dialog;
82 dialog.cancelButton->setVisible(false);
83 dialog.exec();
84 m_nickname = dialog.nickname->text().trimmed();
85 emit action(m_nickname, QLatin1String("joins the chat"));
86}
87
88ChatMainWindow::~ChatMainWindow()
89{
90}
91
92void ChatMainWindow::rebuildHistory()
93{
94 QString history = m_messages.join( QLatin1String("\n" ) );
95 chatHistory->setPlainText(history);
96}
97
98void ChatMainWindow::messageSlot(const QString &nickname, const QString &text)
99{
100 QString msg( QLatin1String("<%1> %2") );
101 msg = msg.arg(nickname, text);
102 m_messages.append(msg);
103
104 if (m_messages.count() > 100)
105 m_messages.removeFirst();
106 rebuildHistory();
107}
108
109void ChatMainWindow::actionSlot(const QString &nickname, const QString &text)
110{
111 QString msg( QLatin1String("* %1 %2") );
112 msg = msg.arg(nickname, text);
113 m_messages.append(msg);
114
115 if (m_messages.count() > 100)
116 m_messages.removeFirst();
117 rebuildHistory();
118}
119
120void ChatMainWindow::textChangedSlot(const QString &newText)
121{
122 sendButton->setEnabled(!newText.isEmpty());
123}
124
125void ChatMainWindow::sendClickedSlot()
126{
127 //emit message(m_nickname, messageLineEdit->text());
128 QDBusMessage msg = QDBusMessage::createSignal("/", "org.example.chat", "message");
129 msg << m_nickname << messageLineEdit->text();
130 QDBusConnection::sessionBus().send(msg);
131 messageLineEdit->setText(QString());
132}
133
134void ChatMainWindow::changeNickname()
135{
136 NicknameDialog dialog(this);
137 if (dialog.exec() == QDialog::Accepted) {
138 QString old = m_nickname;
139 m_nickname = dialog.nickname->text().trimmed();
140 emit action(old, QString("is now known as %1").arg(m_nickname));
141 }
142}
143
144void ChatMainWindow::aboutQt()
145{
146 QMessageBox::aboutQt(this);
147}
148
149void ChatMainWindow::exiting()
150{
151 emit action(m_nickname, QLatin1String("leaves the chat"));
152}
153
154NicknameDialog::NicknameDialog(QWidget *parent)
155 : QDialog(parent)
156{
157 setupUi(this);
158}
159
160int main(int argc, char **argv)
161{
162 QApplication app(argc, argv);
163
164 if (!QDBusConnection::sessionBus().isConnected()) {
165 qWarning("Cannot connect to the D-Bus session bus.\n"
166 "Please check your system settings and try again.\n");
167 return 1;
168 }
169
170 ChatMainWindow chat;
171 chat.show();
172 return app.exec();
173}
174