tetrixwindow.cpp Example File | Qt Widgets 5.12.11

- Qt 5.12
- Qt Widgets
- Tetrix Example
- tetrixwindow.cpp Example File
- Qt 5.12.11 Reference Documentation

# tetrixwindow.cpp Example File

widgets/tetrix/tetrixwindow.cpp

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     #include <QtWidgets>

     #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, &QPushButton::clicked, board, &TetrixBoard::start);
         connect(quitButton , &QPushButton::clicked, qApp, &QApplication::quit);
         connect(pauseButton, &QPushButton::clicked, board, &TetrixBoard::pause);
     #if __cplusplus >= 201402L
         connect(board, &TetrixBoard::scoreChanged,
                 scoreLcd, qOverload<int>(&QLCDNumber::display));
         connect(board, &TetrixBoard::levelChanged,
                 levelLcd, qOverload<int>(&QLCDNumber::display));
         connect(board, &TetrixBoard::linesRemovedChanged,
                 linesLcd, qOverload<int>(&QLCDNumber::display));
     #else
         connect(board, &TetrixBoard::scoreChanged,
                 scoreLcd, QOverload<int>::of(&QLCDNumber::display));
         connect(board, &TetrixBoard::levelChanged,
                 levelLcd, QOverload<int>::of(&QLCDNumber::display));
         connect(board, &TetrixBoard::linesRemovedChanged,
                 linesLcd, QOverload<int>::of(&QLCDNumber::display));
     #endif

         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 *label = new QLabel(text);
         label->setAlignment(Qt::AlignHCenter | Qt::AlignBottom);
         return label;
     }