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#include <QMainWindow>
#include <QLineEdit>
#include <QTextBrowser>
#include <QStatusBar>
#include <QVBoxLayout>
#include <QHBoxLayout>
#include <QTextBrowser>
#include <QPushButton>
#include <QLabel>
#include <QGroupBox>
#include "MessageListener.h"
#include "MessageForm.h"
MessageForm::MessageForm(QWidget *parent)
: QMainWindow(parent)
{
listener = new MessageListener(this);
connect(listener, SIGNAL(receivedMessage(QString)), this, SLOT(receivedMessage(QString)));
connect(listener, SIGNAL(connected()), this, SLOT(connected()));
connect(listener, SIGNAL(disconnected()), this, SLOT(disconnected()));
connect(listener, SIGNAL(connectionFailed()), this, SLOT(connectionFailed()));
messageInput = new QLineEdit;
messageDisplay = new QTextBrowser;
statusInfo = new QLabel;
statusBar()->addWidget(statusInfo, 1);
connectServer = new QLineEdit;
QPushButton *connectButton = new QPushButton("&Connect");
QPushButton *sendButton = new QPushButton("&Send");
QLabel *connectLabel = new QLabel("Server");
connectLabel->setBuddy(connectServer);
connect(connectServer, SIGNAL(returnPressed()), connectButton, SIGNAL(clicked()));
connect(messageInput, SIGNAL(returnPressed()), sendButton, SIGNAL(clicked()));
connect(connectButton, SIGNAL(clicked()), this, SLOT(connectToServer()));
connect(sendButton, SIGNAL(clicked()), this, SLOT(sendMessage()));
QHBoxLayout *connectLayout = new QHBoxLayout;
connectLayout->addWidget(connectLabel);
connectLayout->addWidget(connectServer);
connectLayout->addWidget(connectButton);
QVBoxLayout *messageLayout = new QVBoxLayout;
QHBoxLayout *sendLayout = new QHBoxLayout;
sendLayout->addWidget(messageInput);
sendLayout->addWidget(sendButton);
messageLayout->addWidget(messageDisplay);
messageLayout->addLayout(sendLayout);
connectGroup = new QGroupBox("Connect to Server");
connectGroup->setLayout(connectLayout);
messageGroup = new QGroupBox("Network Chat");
messageGroup->setLayout(messageLayout);
QVBoxLayout *allLayout = new QVBoxLayout;
allLayout->addWidget(connectGroup);
allLayout->addWidget(messageGroup);
QWidget *centralWidget = new QWidget;
centralWidget->setLayout(allLayout);
setCentralWidget(centralWidget);
setWindowTitle("ZX2C4 Message Popper");
listenForConnection();
}
void MessageForm::appendMessage(QString sender, const QString &message)
{
static bool firstMessage = true;
messageDisplay->moveCursor(QTextCursor::End);
messageDisplay->insertHtml((firstMessage ? QString("") : "<br>") + "<b>" + sender + ": </b>" + message);
messageDisplay->moveCursor(QTextCursor::End);
firstMessage = false;
}
void MessageForm::receivedMessage(const QString text)
{
appendMessage(QString("Stranger"), text);
}
void MessageForm::connected()
{
messageGroup->setVisible(true);
connectGroup->setVisible(false);
messageInput->setFocus();
statusInfo->setText(QString("Connected to %1.").arg(listener->remoteHost()));
statusBar()->clearMessage();
}
void MessageForm::disconnected()
{
statusBar()->showMessage("Disconnected!", 2000);
listenForConnection();
}
void MessageForm::connectionFailed()
{
statusBar()->showMessage("Connection failed!", 2000);
connectGroup->setEnabled(true);
}
void MessageForm::sendMessage()
{
QString text = messageInput->text();
messageInput->clear();
listener->writeMessage(text);
appendMessage(QString("Me"), text);
}
void MessageForm::connectToServer()
{
connectGroup->setEnabled(false);
listener->connectToHost(connectServer->text());
statusBar()->showMessage("Connecting...");
}
void MessageForm::listenForConnection()
{
messageGroup->setVisible(false);
connectGroup->setVisible(true);
connectGroup->setEnabled(true);
if(listener->startListener())
statusInfo->setText("Listening for connection...");
else
statusInfo->setText("Listener failed to start.");
statusBar()->clearMessage();
}
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