midi_region_canvas_item.h

// SPDX-FileCopyrightText: © 2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <vector>
 
#include <QColor>
#include <QPointer>
#include <QtCanvasPainter/qcanvaspainteritem.h>
 
namespace zrythm::structure::arrangement
{
class MidiRegion;
}
 
namespace zrythm::gui::qquick
{
 
class MidiRegionCanvasRenderer;
 
class MidiRegionCanvasItem : public QCanvasPainterItem
{
  Q_OBJECT
  QML_NAMED_ELEMENT (MidiRegionCanvas)
 
  Q_PROPERTY (QObject * region READ region WRITE setRegion NOTIFY regionChanged)
  Q_PROPERTY (
    QColor noteColor READ noteColor WRITE setNoteColor NOTIFY noteColorChanged)
 
public:
  explicit MidiRegionCanvasItem (QQuickItem * parent = nullptr);
 
  QCanvasPainterItemRenderer * createItemRenderer () const override;
 
  QObject * region () const { return region_; }
  void      setRegion (QObject * region);
  QColor    noteColor () const { return note_color_; }
  void      setNoteColor (const QColor &color);
 
  structure::arrangement::MidiRegion * midiRegion () const
  {
    return midi_region_;
  }
 
Q_SIGNALS:
  void regionChanged ();
  void noteColorChanged ();
 
private:
  QObject *                                    region_ = nullptr;
  QPointer<structure::arrangement::MidiRegion> midi_region_;
  QColor                                       note_color_;
  std::vector<QMetaObject::Connection>         region_connections_;
};
 
} // namespace zrythm::gui::qquick