CurvePaletteBaseEvents.hpp

#pragma once
#include "CurvePoint.hpp"
 
#include <score/statemachine/StateMachineUtils.hpp>
#include <score/tools/Clamp.hpp>
 
class QGraphicsItem;
namespace Curve
{
class SegmentModel;
namespace Element
{
struct Nothing_tag
{
  static constexpr const int value = 0;
};
struct Point_tag
{
  static constexpr const int value = 1;
};
struct Segment_tag
{
  static constexpr const int value = 2;
};
}
 
template <typename Element_T, typename Modifier_T>
struct CurveEvent : public score::PositionedEvent<Curve::Point>
{
  static constexpr const int user_type = Element_T::value + Modifier_T::value;
  CurveEvent(const Curve::Point& pt, const QGraphicsItem* theItem)
      : score::PositionedEvent<Curve::Point>{pt, QEvent::Type(QEvent::User + user_type)}
      , item{theItem}
  {
  }
 
  const QGraphicsItem* const item{};
};
 
using ClickOnNothing_Event
    = CurveEvent<Element::Nothing_tag, score::Modifier::Click_tag>;
using ClickOnPoint_Event = CurveEvent<Element::Point_tag, score::Modifier::Click_tag>;
using ClickOnSegment_Event
    = CurveEvent<Element::Segment_tag, score::Modifier::Click_tag>;
 
using MoveOnNothing_Event = CurveEvent<Element::Nothing_tag, score::Modifier::Move_tag>;
using MoveOnPoint_Event = CurveEvent<Element::Point_tag, score::Modifier::Move_tag>;
using MoveOnSegment_Event = CurveEvent<Element::Segment_tag, score::Modifier::Move_tag>;
 
using ReleaseOnNothing_Event
    = CurveEvent<Element::Nothing_tag, score::Modifier::Release_tag>;
using ReleaseOnPoint_Event
    = CurveEvent<Element::Point_tag, score::Modifier::Release_tag>;
using ReleaseOnSegment_Event
    = CurveEvent<Element::Segment_tag, score::Modifier::Release_tag>;
}