File indexing completed on 2024-04-14 04:02:25

 /*
     This file is part of the KDE games lskat program
     SPDX-FileCopyrightText: 2006 Martin Heni <kde@heni-online.de>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef LSKAT_GAMEVIEW_H
 #define LSKAT_GAMEVIEW_H
 
 // Qt includes
 #include <QElapsedTimer>
 #include <QGraphicsScene>
 #include <QGraphicsSceneMouseEvent>
 #include <QGraphicsTextItem>
 #include <QGraphicsView>
 #include <QList>
 #include <QPoint>
 #include <QResizeEvent>
 #include <QSize>
 #include <QWidget>
 
 // Forward declaration
 class ThemeManager;
 
 /**
  * The view object which shows the graphics in a
  * Qt graphics view.
  */
 class GameView : public QGraphicsView
 {
     Q_OBJECT
 
 public:
     /**
      * Constructor for the canvas view.
      * @param size The canvas fixed size
      * @param advancePeriod The canvas advance period
      * @param scene The graphics scene
      * @param theme The theme manager
      * @param parent The parent window
      */
     GameView(const QSize &size, int advancePeriod, QGraphicsScene *scene, ThemeManager *theme, QWidget *parent = nullptr);
 
     /**
      * Destructor.
      */
     ~GameView() override;
 
 protected:
     /**
      * React to mouse clicks.
      * @param event The mouse event
      */
     void mouseReleaseEvent(QMouseEvent *event) override;
 
 public Q_SLOTS:
     /**
      * The update and advance for the canvas.
      * This is called by a timer at regular intervals.
      */
     void updateAndAdvance();
 
     /**
      * Rescale the theme (update theme SVG graphics).
      */
     void rescaleTheme();
 
 Q_SIGNALS:
     /**
      * Emit the signal on mouse clicks.
      * @param point The mouse coordinate.
      */
     void signalLeftMousePress(QPoint point);
 
 protected:
     /**
      * Will be called by the Qt View when its contents are resized.
      * We adapt the canvas then.
      * @param e The resize event
      */
     void resizeEvent(QResizeEvent *e) override;
 
     /**
      * Paint function for the widget, temporary fix while we wait for QGV 4.3
      * @param event The paint event
      */
     void paintEvent(QPaintEvent *event) override;
 
     /**
      * Overwritten Qt function.
      */
     void drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], const QStyleOptionGraphicsItem options[]) override;
 
 private:
     // Theme manager
     ThemeManager *mTheme;
     // Theme queue
     QList<int> mThemeQueue;
     // Theme offset queue
     QList<QPoint> mThemeOffset;
     // Active input offset
     QPoint mInputOffset;
     // Theme queue delay time [ms]
     QElapsedTimer mTimeStart;
     // Debug frame rate sprite
     QGraphicsTextItem *mFrameSprite;
     // Time between updates
     int mDisplayUpdateTime;
     // Average update times
     QList<int> mDrawTimes;
 };
 
 #endif // LSKAT_GAMEVIEW_H