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# tictactoedialog.cpp Example File
designer/taskmenuextension/tictactoedialog.cpp

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        ** This file is part of the documentation of the Qt Toolkit.
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        #include <QtGui>
        #include <QtDesigner/QDesignerFormWindowInterface>
        #include <QtDesigner/QDesignerFormWindowCursorInterface>

        #include "tictactoedialog.h"
        #include "tictactoe.h"

        TicTacToeDialog::TicTacToeDialog(TicTacToe *tic, QWidget *parent)
            : QDialog(parent)
        {
            ticTacToe = tic;
            editor = new TicTacToe;
            editor->setState(ticTacToe->state());

            cancelButton = new QPushButton(tr("Cancel"));
            connect(cancelButton, SIGNAL(clicked()), this, SLOT(reject()));

            okButton = new QPushButton(tr("OK"));
            connect(okButton, SIGNAL(clicked()), this, SLOT(saveState()));

            resetButton = new QPushButton(tr("Reset"));
            connect(resetButton, SIGNAL(clicked()), this, SLOT(resetState()));

            buttonLayout = new QHBoxLayout;
            buttonLayout->addWidget(resetButton);
            buttonLayout->addStretch();
            buttonLayout->addWidget(okButton);
            buttonLayout->addWidget(cancelButton);

            mainLayout = new QVBoxLayout;
            mainLayout->addWidget(editor);
            mainLayout->addLayout(buttonLayout);

            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();
        }