/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the examples of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef TETRIXBOARD_H+
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#define TETRIXBOARD_H+
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+
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#include <QTimer>+
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#include <QFrame>+
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#include <QPointer>+
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+
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QT_BEGIN_NAMESPACE+
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class QLabel;+
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QT_END_NAMESPACE+
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+
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class TetrixBoard : public QFrame+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(QObject* timer READ getTimer)+
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    Q_PROPERTY(QWidget* nextPieceLabel WRITE setNextPieceLabel)+
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+
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public:+
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    TetrixBoard(QWidget *parent = 0);+
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+
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    void setNextPieceLabel(QWidget *label);+
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    void setBoardWidth(int width);+
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    void setBoardHeight(int height);+
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    QSize minimumSizeHint() const;+
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+
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    QObject *getTimer();+
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+
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signals:+
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    void scoreChanged(int score);+
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    void levelChanged(int level);+
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    void linesRemovedChanged(int numLines);+
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+
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#if !defined(Q_MOC_RUN)+
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private: // can only be emitted by TetrixBoard+
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#endif+
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    void keyPressed(int key);+
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    void paintRequested(QPainter *painter);+
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    void paintNextPieceRequested(QPainter *painter);+
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+
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protected:+
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    void paintEvent(QPaintEvent *event);+
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    void keyPressEvent(QKeyEvent *event);+
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+
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protected slots:+
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    void showNextPiece(int width, int height);+
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    void drawPauseScreen(QPainter *painter);+
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    void drawSquare(QPainter *painter, int x, int y, int shape);+
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    void update();+
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+
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private:+
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    enum { BoardWidth = 10, BoardHeight = 22 };+
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+
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    int squareWidth() { return contentsRect().width() / BoardWidth; }+
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    int squareHeight() { return contentsRect().height() / BoardHeight; }+
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+
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    QTimer *timer;+
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    QPointer<QLabel> nextPieceLabel;+
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    QImage image;+
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};+
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+
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#endif+
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