Create chatroom and message classes to display messages

client/src/ui/mainwindow.cpp

@@ -5,15 +5,16 @@ MainWindow::MainWindow(QWidget *parent)
     : QMainWindow(parent), ui(new Ui::MainWindow) {
   ui->setupUi(this);
 
-  connect(ui->sendButton, &QPushButton::clicked, this,
-          []() { qDebug() << "Button clicked"; });
+  connect(ui->sendButton, &QPushButton::clicked, this, [this]() {
+    auto msg = ui->inputText->toPlainText();
+    receiveMsg(msg);
+  });
 }
 
 MainWindow::~MainWindow() { delete ui; }
 
 void MainWindow::receiveMsg(QString &msg) {
-  auto messages = ui->outputText->text();
-  messages.append("\n");
-  messages.append(msg);
-  ui->outputText->setText(messages);
+  Message message(0, QDateTime::currentDateTime(), msg);
+  m_chatroom.addMessage(message);
+  ui->outputText->setText(m_chatroom.getMessagesString());
 }