Qt 4.3: tetrixboard.h Example File (script/tetrix/tetrixboard.h)

|  | Home · All Classes · Main Classes · Grouped Classes · Modules · Functions |

# tetrixboard.h Example File
script/tetrix/tetrixboard.h

     /****************************************************************************
     **
     ** Copyright (C) 2007-2008 Trolltech ASA. All rights reserved.
     **
     ** This file is part of the example classes of the Qt Toolkit.
     **
     ** This file may be used under the terms of the GNU General Public
     ** License versions 2.0 or 3.0 as published by the Free Software
     ** Foundation and appearing in the files LICENSE.GPL2 and LICENSE.GPL3
     ** included in the packaging of this file.  Alternatively you may (at
     ** your option) use any later version of the GNU General Public
     ** License if such license has been publicly approved by Trolltech ASA
     ** (or its successors, if any) and the KDE Free Qt Foundation. In
     ** addition, as a special exception, Trolltech gives you certain
     ** additional rights. These rights are described in the Trolltech GPL
     ** Exception version 1.1, which can be found at
     ** http://www.trolltech.com/products/qt/gplexception/ and in the file
     ** GPL_EXCEPTION.txt in this package.
     **
     ** Please review the following information to ensure GNU General
     ** Public Licensing requirements will be met:
     ** http://trolltech.com/products/qt/licenses/licensing/opensource/. If
     ** you are unsure which license is appropriate for your use, please
     ** review the following information:
     ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
     ** or contact the sales department at sales@trolltech.com.
     **
     ** In addition, as a special exception, Trolltech, as the sole
     ** copyright holder for Qt Designer, grants users of the Qt/Eclipse
     ** Integration plug-in the right for the Qt/Eclipse Integration to
     ** link to functionality provided by Qt Designer and its related
     ** libraries.
     **
     ** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
     ** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
     ** A PARTICULAR PURPOSE. Trolltech reserves all rights not expressly
     ** granted herein.
     **
     ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
     ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
     **
     ****************************************************************************/

     #ifndef TETRIXBOARD_H
     #define TETRIXBOARD_H

     #include <QTimer>
     #include <QFrame>
     #include <QPointer>

     class QLabel;

     class TetrixBoard : public QFrame
     {
         Q_OBJECT
         Q_PROPERTY(QObject* timer READ getTimer)
         Q_PROPERTY(QWidget* nextPieceLabel WRITE setNextPieceLabel)

     public:
         TetrixBoard(QWidget *parent = 0);

         void setNextPieceLabel(QWidget *label);
         void setBoardWidth(int width);
         void setBoardHeight(int height);
         QSize minimumSizeHint() const;

         QObject *getTimer();

     signals:
         void scoreChanged(int score);
         void levelChanged(int level);
         void linesRemovedChanged(int numLines);

     #if !defined(Q_MOC_RUN)
     private: // can only be emitted by TetrixBoard
     #endif
         void keyPressed(int key);
         void paintRequested(QPainter *painter);
         void paintNextPieceRequested(QPainter *painter);

     protected:
         void paintEvent(QPaintEvent *event);
         void keyPressEvent(QKeyEvent *event);

     protected slots:
         void showNextPiece(int width, int height);
         void drawPauseScreen(QPainter *painter);
         void drawSquare(QPainter *painter, int x, int y, int shape);

     private:
         enum { BoardWidth = 10, BoardHeight = 22 };

         int squareWidth() { return contentsRect().width() / BoardWidth; }
         int squareHeight() { return contentsRect().height() / BoardHeight; }

         QTimer *timer;
         QPointer<QLabel> nextPieceLabel;
     };

     #endif