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# tetrixwindow.cpp Example File
widgets/tetrix/tetrixwindow.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
        ** License version 2.0 as published by the Free Software Foundation
        ** and appearing in the file LICENSE.GPL included in the packaging of
        ** this file.  Please review the following information to ensure GNU
        ** General Public Licensing requirements will be met:
        ** http://www.trolltech.com/products/qt/opensource.html
        **
        ** If you are unsure which license is appropriate for your use, please
        ** review the following information:
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        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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        ****************************************************************************/

        #include <QtGui>

        #include "tetrixboard.h"
        #include "tetrixwindow.h"

        TetrixWindow::TetrixWindow()
        {
            board = new TetrixBoard;

            nextPieceLabel = new QLabel;
            nextPieceLabel->setFrameStyle(QFrame::Box | QFrame::Raised);
            nextPieceLabel->setAlignment(Qt::AlignCenter);
            board->setNextPieceLabel(nextPieceLabel);

            scoreLcd = new QLCDNumber(5);
            scoreLcd->setSegmentStyle(QLCDNumber::Filled);
            levelLcd = new QLCDNumber(2);
            levelLcd->setSegmentStyle(QLCDNumber::Filled);
            linesLcd = new QLCDNumber(5);
            linesLcd->setSegmentStyle(QLCDNumber::Filled);

            startButton = new QPushButton(tr("&Start"));
            startButton->setFocusPolicy(Qt::NoFocus);
            quitButton = new QPushButton(tr("&Quit"));
            quitButton->setFocusPolicy(Qt::NoFocus);
            pauseButton = new QPushButton(tr("&Pause"));
            pauseButton->setFocusPolicy(Qt::NoFocus);

            connect(startButton, SIGNAL(clicked()), board, SLOT(start()));
            connect(quitButton , SIGNAL(clicked()), qApp, SLOT(quit()));
            connect(pauseButton, SIGNAL(clicked()), board, SLOT(pause()));
            connect(board, SIGNAL(scoreChanged(int)), scoreLcd, SLOT(display(int)));
            connect(board, SIGNAL(levelChanged(int)), levelLcd, SLOT(display(int)));
            connect(board, SIGNAL(linesRemovedChanged(int)),
                    linesLcd, SLOT(display(int)));

            QGridLayout *layout = new QGridLayout;
            layout->addWidget(createLabel(tr("NEXT")), 0, 0);
            layout->addWidget(nextPieceLabel, 1, 0);
            layout->addWidget(createLabel(tr("LEVEL")), 2, 0);
            layout->addWidget(levelLcd, 3, 0);
            layout->addWidget(startButton, 4, 0);
            layout->addWidget(board, 0, 1, 6, 1);
            layout->addWidget(createLabel(tr("SCORE")), 0, 2);
            layout->addWidget(scoreLcd, 1, 2);
            layout->addWidget(createLabel(tr("LINES REMOVED")), 2, 2);
            layout->addWidget(linesLcd, 3, 2);
            layout->addWidget(quitButton, 4, 2);
            layout->addWidget(pauseButton, 5, 2);
            setLayout(layout);

            setWindowTitle(tr("Tetrix"));
            resize(550, 370);
        }

        QLabel *TetrixWindow::createLabel(const QString &text)
        {
            QLabel *lbl = new QLabel(text);
            lbl->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
            return lbl;
        }