/****************************************************************************+
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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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** $QT_BEGIN_LICENSE:BSD$+
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** You may use this file under the terms of the BSD license as follows:+
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**+
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** "Redistribution and use in source and binary forms, with or without+
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** modification, are permitted provided that the following conditions are+
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** met:+
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**   * Redistributions of source code must retain the above copyright+
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**     notice, this list of conditions and the following disclaimer.+
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**   * Redistributions in binary form must reproduce the above copyright+
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**     notice, this list of conditions and the following disclaimer in+
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**     the documentation and/or other materials provided with the+
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**     distribution.+
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**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor+
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**     the names of its contributors may be used to endorse or promote+
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**     products derived from this software without specific prior written+
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**     permission.+
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**+
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS+
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT+
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR+
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT+
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,+
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT+
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,+
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY+
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT+
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE+
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."+
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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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#include <QLabel>+
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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 READ 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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    QLabel *nextPieceLabel() const;+
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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> nextPieceLbl;+
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    QImage image;+
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};+
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+
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#endif+
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