tictactoedialog.cpp Example File
taskmenuextension/tictactoedialog.cpp 
          
            
            
#include "tictactoe.h"
#include "tictactoedialog.h"
#include <QtDesigner/QDesignerFormWindowInterface>
#include <QtDesigner/QDesignerFormWindowCursorInterface>
#include <QDialogButtonBox>
#include <QPushButton>
#include <QVBoxLayout>
#include <QVariant>
TicTacToeDialog::TicTacToeDialog(TicTacToe *tic, QWidget *parent)
    : QDialog(parent)
    , editor(new TicTacToe)
    , ticTacToe(tic)
    , buttonBox(new QDialogButtonBox(QDialogButtonBox::Ok
                                     | QDialogButtonBox::Cancel
                                     | QDialogButtonBox::Reset))
{
    editor->setState(ticTacToe->state());
    connect(buttonBox->button(QDialogButtonBox::Reset), &QAbstractButton::clicked,
            this, &TicTacToeDialog::resetState);
    connect(buttonBox, &QDialogButtonBox::accepted, this, &TicTacToeDialog::saveState);
    connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::reject);
    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(editor);
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);
    setWindowTitle(tr("Edit State"));
}
QSize TicTacToeDialog::sizeHint() const
{
    return QSize(250, 250);
}
void TicTacToeDialog::resetState()
{
    editor->clearBoard();
}
void TicTacToeDialog::saveState()
{
    if (QDesignerFormWindowInterface *formWindow
            = QDesignerFormWindowInterface::findFormWindow(ticTacToe)) {
        formWindow->cursor()->setProperty("state", editor->state());
    }
    accept();
}