Hyprland/src/helpers/Subsurface.hpp

#pragma once

#include "../defines.hpp"
#include <vector>
#include "WLSurface.hpp"

class CWindow;

class CSubsurface {
  public:
    // root dummy nodes
    CSubsurface(CWindow* pOwner);

    // real nodes
    CSubsurface(wlr_subsurface* pSubsurface, CWindow* pOwner);

    ~CSubsurface();

    Vector2D coordsRelativeToParent();
    Vector2D coordsGlobal();

    void     onCommit();
    void     onDestroy();
    void     onNewSubsurface(wlr_subsurface* pSubsurface);
    void     onMap();
    void     onUnmap();

    void     recheckDamageForSubsurfaces();

  private:
    DYNLISTENER(destroySubsurface);
    DYNLISTENER(commitSubsurface);
    DYNLISTENER(newSubsurface);
    DYNLISTENER(mapSubsurface);
    DYNLISTENER(unmapSubsurface);

    wlr_subsurface* m_pSubsurface = nullptr;
    CWLSurface      m_sWLSurface;
    Vector2D        m_vLastSize = {};

    // if nullptr, means it's a dummy node
    CSubsurface*                              m_pParent = nullptr;

    CWindow*                                  m_pWindowParent = nullptr;

    std::vector<std::unique_ptr<CSubsurface>> m_vChildren;

    void                                      initSignals();
    void                                      initExistingSubsurfaces();
    void                                      checkSiblingDamage();
};