InfiniteScroller.hpp

#pragma once
#include <QPointF>
#include <QRectF>
 
#include <score_lib_base_export.h>
 
class QGraphicsItem;
class QGraphicsSceneMouseEvent;
 
namespace score
{
 
struct SCORE_LIB_BASE_EXPORT InfiniteScroller
{
  static QRectF currentGeometry;
  static double origValue;
  static double currentSpeed;
  static double currentDelta;
 
  static void start(QGraphicsItem& self, double orig);
  static void move_free(QGraphicsSceneMouseEvent* event);
  static double move(QGraphicsSceneMouseEvent* event);
  static void stop(QGraphicsItem& self, QGraphicsSceneMouseEvent* event);
 
  static void abort(QGraphicsItem& self);
 
  static QPointF relativeMotion(QGraphicsSceneMouseEvent* event);
 
  static bool holdsPointer();
 
  static void cancel();
};
}