ActivityIndicator.h++

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#ifndef __libquark_gui_ActivityIndicator_hxx
#define __libquark_gui_ActivityIndicator_hxx

#include <QColor>
#include <QPaintEvent>
#include <QResizeEvent>
#include <QTimer>
#include <QWidget>

#include <quark/Quark.h++>

namespace quark {
namespace gui {

class LIBQUARK_API ActivityIndicator : public QWidget
{
  Q_OBJECT;

  public:

  explicit ActivityIndicator(QWidget *parent = NULL);

  virtual ~ActivityIndicator();

  public slots:

  void setColor(const QColor &color);

  void setActive(bool busy);

  void start();

  void stop();

  protected:

  virtual void paintEvent(QPaintEvent *event);
  virtual void resizeEvent(QResizeEvent *event);

  private slots:

  void animate();

  private:

  QTimer _timer;
  QColor _color;
  int _position;
  int _barWidth;
  int _barHalfWidth;
  int _barLength;
  int _radius;
  int _cornerRadius;
  int _x0;
  int _y0;
};

} // namespace gui
} // namespace quark

#endif // __libquark_gui_ActivityIndicator_hxx