demos/browser/chasewidget.h

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  41
  42 #ifndef CHASEWIDGET_H
  43 #define CHASEWIDGET_H
  44
  45 #include <QtGui/QWidget>
  46
  47 #include <QtCore/QSize>
  48 #include <QtGui/QColor>
  49 #include <QtGui/QPixmap>
  50
  51 QT_BEGIN_NAMESPACE
  52 class QHideEvent;
  53 class QShowEvent;
  54 class QPaintEvent;
  55 class QTimerEvent;
  56 QT_END_NAMESPACE
  57
  58 class ChaseWidget : public QWidget
  59 {
  60     Q_OBJECT
  61 public:
  62     ChaseWidget(QWidget *parent = 0, QPixmap pixmap = QPixmap(), bool pixmapEnabled = false);
  63
  64     void setAnimated(bool value);
  65     void setPixmapEnabled(bool enable);
  66     QSize sizeHint() const;
  67
  68 protected:
  69     void paintEvent(QPaintEvent *event);
  70     void timerEvent(QTimerEvent *event);
  71
  72 private:
  73     int segmentCount() const;
  74     QColor colorForSegment(int segment) const;
  75
  76     int m_segment;
  77     int m_delay;
  78     int m_step;
  79     int m_timerId;
  80     bool m_animated;
  81     QPixmap m_pixmap;
  82     bool m_pixmapEnabled;
  83 };
  84
  85 #endif