dialog.cpp Example File

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#include "dialog.h"
#include "ui_dialog.h"

Dialog::Dialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::Dialog)
{
    ui->setupUi(this);
    connect(ui->send, &QPushButton::clicked, this, &Dialog::clicked);
}

void Dialog::displayMessage(const QString &message)
{
    ui->output->appendPlainText(message);
}

void Dialog::clicked()
{
    const QString text = ui->input->text();

    if (text.isEmpty())
        return;

    emit sendText(text);
    displayMessage(tr("Sent message: %1").arg(text));

    ui->input->clear();
}