demos/qtdemo/itemcircleanimation.h

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  41
  42 #ifndef ITEM_CIRCLE_ANIMATION_H
  43 #define ITEM_CIRCLE_ANIMATION_H
  44
  45 #include <QtCore>
  46 #include <QObject>
  47 #include <QtGui>
  48 #include <QTimeLine>
  49 #include <QList>
  50 #include "demoitem.h"
  51 #include "letteritem.h"
  52 #include "guideline.h"
  53 #include "guidecircle.h"
  54
  55 typedef QList<LetterItem *> LetterList;
  56 class TickerEffect;
  57
  58 class ItemCircleAnimation : public QObject, public DemoItem
  59 {
  60 public:
  61     ItemCircleAnimation(QGraphicsScene *scene = 0, QGraphicsItem *parent = 0);
  62     virtual ~ItemCircleAnimation();
  63
  64     // overidden methods:
  65     QRectF boundingRect() const;
  66     void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget * = 0);
  67     void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
  68     void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
  69     void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
  70     void mousePressEvent(QGraphicsSceneMouseEvent *event);
  71     void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
  72     void wheelEvent(QGraphicsSceneWheelEvent *event);
  73     void animationStarted(int id = 0);
  74     void animationStopped(int id = 0);
  75     void prepare();
  76     void tick();
  77     void switchToNextEffect();
  78     void useGuideQt();
  79     void useGuideTt();
  80     void pause(bool on);
  81
  82     bool tickOnPaint;
  83     bool paused;
  84     bool doIntroTransitions;
  85
  86 private:
  87     void setupLetters();
  88     void createLetter(char c);
  89     void setupGuides();
  90     void useGuide(Guide *guide, int firstLetter, int lastLetter);
  91     void swapModel();
  92     void setTickerScale(float s);
  93
  94     int showCount;
  95     float scale;
  96     QPointF mouseMoveLastPosition;
  97     int letterCount;
  98     LetterList *letterList;
  99     Guide *qtGuide1;
 100     Guide *qtGuide2;
 101     Guide *qtGuide3;
 102     Guide *currGuide;
 103     TickerEffect *effect;
 104     QTime tickTimer;
 105 };
 106
 107 #endif // ITEM_CIRCLE_ANIMATION_H
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