Qt 5.6 | Qt Widgets | Sub-Attaq | graphicsscene.h Example File

Qt 5.6.2 Reference Documentation

# graphicsscene.h Example File

animation/sub-attaq/graphicsscene.h

      /****************************************************************************
      **
      ** Copyright (C) 2015 The Qt Company Ltd.
      ** Contact: http://www.qt.io/licensing/
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      ** This file is part of the QtCore module of the Qt Toolkit.
      **
      ** $QT_BEGIN_LICENSE:LGPL21$
      ** Commercial License Usage
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      ** Alternatively, this file may be used under the terms of the GNU Lesser
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      #ifndef __GRAPHICSSCENE__H__
      #define __GRAPHICSSCENE__H__

      //Qt
      #include <QtWidgets/QGraphicsScene>
      #include <QtCore/QSet>
      #include <QtCore/QState>

      class Boat;
      class SubMarine;
      class Torpedo;
      class Bomb;
      class PixmapItem;
      class ProgressItem;
      class TextInformationItem;
      class QAction;

      class GraphicsScene : public QGraphicsScene
      {
      Q_OBJECT
      public:
          enum Mode {
              Big = 0,
              Small
          };

          struct SubmarineDescription {
              int type;
              int points;
              QString name;
          };

          struct LevelDescription {
              int id;
              QString name;
              QList<QPair<int,int> > submarines;
          };

          GraphicsScene(int x, int y, int width, int height, Mode mode = Big);
          qreal sealLevel() const;
          void setupScene(QAction *newAction, QAction *quitAction);
          void addItem(Bomb *bomb);
          void addItem(Torpedo *torpedo);
          void addItem(SubMarine *submarine);
          void addItem(QGraphicsItem *item);
          void clearScene();

      signals:
          void subMarineDestroyed(int);
          void allSubMarineDestroyed(int);

      private slots:
          void onBombExecutionFinished();
          void onTorpedoExecutionFinished();
          void onSubMarineExecutionFinished();

      private:
          Mode mode;
          ProgressItem *progressItem;
          TextInformationItem *textInformationItem;
          Boat *boat;
          QSet<SubMarine *> submarines;
          QSet<Bomb *> bombs;
          QSet<Torpedo *> torpedos;
          QVector<SubmarineDescription> submarinesData;
          QHash<int, LevelDescription> levelsData;

          friend class PauseState;
          friend class PlayState;
          friend class LevelState;
          friend class LostState;
          friend class WinState;
          friend class WinTransition;
          friend class UpdateScoreTransition;
      };

      #endif //__GRAPHICSSCENE__H__