tetrixwindow.cpp Example File | Qt Widgets 5.6

Qt 5.6 | Qt Widgets | Tetrix Example | tetrixwindow.cpp Example File

Qt 5.6.2 Reference Documentation

# tetrixwindow.cpp Example File

widgets/tetrix/tetrixwindow.cpp

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
      **
      ** This file is part of the examples of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:BSD$
      ** You may use this file under the terms of the BSD license as follows:
      **
      ** "Redistribution and use in source and binary forms, with or without
      ** modification, are permitted provided that the following conditions are
      ** met:
      **   * Redistributions of source code must retain the above copyright
      **     notice, this list of conditions and the following disclaimer.
      **   * Redistributions in binary form must reproduce the above copyright
      **     notice, this list of conditions and the following disclaimer in
      **     the documentation and/or other materials provided with the
      **     distribution.
      **   * Neither the name of The Qt Company Ltd nor the names of its
      **     contributors may be used to endorse or promote products derived
      **     from this software without specific prior written permission.
      **
      **
      ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
      ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
      ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
      ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
      ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
      ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
      ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
      ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
      **
      ** $QT_END_LICENSE$
      **
      ****************************************************************************/

      #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, 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;
      }