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    41 

    42 #include <QtGui>

    43 

    44 #include "tetrixboard.h"

    45 #include "tetrixwindow.h"

    46 

    47 //! [0]

    48 TetrixWindow::TetrixWindow()

    49 {

    50     board = new TetrixBoard;

    51 //! [0]

    52 

    53     nextPieceLabel = new QLabel;

    54     nextPieceLabel->setFrameStyle(QFrame::Box | QFrame::Raised);

    55     nextPieceLabel->setAlignment(Qt::AlignCenter);

    56     board->setNextPieceLabel(nextPieceLabel);

    57 

    58 //! [1]

    59     scoreLcd = new QLCDNumber(5);

    60     scoreLcd->setSegmentStyle(QLCDNumber::Filled);

    61 //! [1]

    62     levelLcd = new QLCDNumber(2);

    63     levelLcd->setSegmentStyle(QLCDNumber::Filled);

    64     linesLcd = new QLCDNumber(5);

    65     linesLcd->setSegmentStyle(QLCDNumber::Filled);

    66 

    67 //! [2]

    68     startButton = new QPushButton(tr("&Start"));

    69     startButton->setFocusPolicy(Qt::NoFocus);

    70     quitButton = new QPushButton(tr("&Quit"));

    71     quitButton->setFocusPolicy(Qt::NoFocus);

    72     pauseButton = new QPushButton(tr("&Pause"));

    73 //! [2] //! [3]

    74     pauseButton->setFocusPolicy(Qt::NoFocus);

    75 //! [3] //! [4]

    76 

    77     connect(startButton, SIGNAL(clicked()), board, SLOT(start()));

    78 //! [4] //! [5]

    79     connect(quitButton , SIGNAL(clicked()), qApp, SLOT(quit()));

    80     connect(pauseButton, SIGNAL(clicked()), board, SLOT(pause()));

    81     connect(board, SIGNAL(scoreChanged(int)), scoreLcd, SLOT(display(int)));

    82     connect(board, SIGNAL(levelChanged(int)), levelLcd, SLOT(display(int)));

    83     connect(board, SIGNAL(linesRemovedChanged(int)),

    84             linesLcd, SLOT(display(int)));

    85 //! [5]

    86 

    87 //! [6]

    88     QGridLayout *layout = new QGridLayout;

    89     layout->addWidget(createLabel(tr("NEXT")), 0, 0);

    90     layout->addWidget(nextPieceLabel, 1, 0);

    91     layout->addWidget(createLabel(tr("LEVEL")), 2, 0);

    92     layout->addWidget(levelLcd, 3, 0);

    93     layout->addWidget(startButton, 4, 0);

    94     layout->addWidget(board, 0, 1, 6, 1);

    95     layout->addWidget(createLabel(tr("SCORE")), 0, 2);

    96     layout->addWidget(scoreLcd, 1, 2);

    97     layout->addWidget(createLabel(tr("LINES REMOVED")), 2, 2);

    98     layout->addWidget(linesLcd, 3, 2);

    99     layout->addWidget(quitButton, 4, 2);

   100     layout->addWidget(pauseButton, 5, 2);

   101     setLayout(layout);

   102 

   103     setWindowTitle(tr("Tetrix"));

   104     resize(550, 370);

   105 }

   106 //! [6]

   107 

   108 //! [7]

   109 QLabel *TetrixWindow::createLabel(const QString &text)

   110 {

   111     QLabel *lbl = new QLabel(text);

   112     lbl->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);

   113     return lbl;

   114 }

   115 //! [7]

   116