Qt Generic Multiline Text Edit Dialog Boilerplate

multilinetextdialog.cpp

#include "multilinetextdialog.h"
#include <QVBoxLayout>
#include <QDialogButtonBox>
#include <QPushButton>

MultilineTextDialog::MultilineTextDialog(QWidget *parent) : QDialog(parent)
{
    // allocate widgets
    heading = new QLabel;
    textEdit = new QTextEdit(this);
    auto buttonBox = new QDialogButtonBox(QDialogButtonBox::Reset | QDialogButtonBox::Save | QDialogButtonBox::Cancel);

    // allocate layouts
    QVBoxLayout* mainLayout = new QVBoxLayout;

    // attach
    mainLayout->addWidget(heading);
    mainLayout->addWidget(textEdit);
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);

    // connect signals / slots
    connect(buttonBox->button(QDialogButtonBox::Reset), &QPushButton::clicked, [this] {
       textEdit->clear();
    });
    connect(buttonBox, &QDialogButtonBox::accepted, this,  &QDialog::accept);
    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
}

QTextEdit *MultilineTextDialog::getTextEdit() const
{
    return textEdit;
}

void MultilineTextDialog::setText(const QString &text)
{
    textEdit->setText(text);
}

QString MultilineTextDialog::getText() const
{
    return textEdit->toPlainText();
}

void MultilineTextDialog::setHeading(const QString& text) {
    heading->setText(text);
    QFont font(this->font());
    font.setBold(true);
    font.setPointSize(font.pointSize() + 2);
    heading->setFont(font);
    heading->setAlignment(Qt::AlignCenter);
}

multilinetextdialog.h

#ifndef MULTILINETEXTDIALOG_H
#define MULTILINETEXTDIALOG_H

#include <QDialog>
#include <QTextEdit>
#include <QLabel>

class MultilineTextDialog : public QDialog
{
public:
    MultilineTextDialog(QWidget* parent = 0);

    QTextEdit *getTextEdit() const;
    QString getText() const;
    void setText(const QString& text);
    void setHeading(const QString &heading);

private:
    QTextEdit* textEdit;
    QLabel* heading;
};

#endif // MULTILINETEXTDIALOG_H