Line data    Source code

       1              : /*
       2              :  * SPDX-License-Identifier: GPL-3.0-only
       3              :  * MuseScore-Studio-CLA-applies
       4              :  *
       5              :  * MuseScore Studio
       6              :  * Music Composition & Notation
       7              :  *
       8              :  * Copyright (C) 2021 MuseScore Limited and others
       9              :  *
      10              :  * This program is free software: you can redistribute it and/or modify
      11              :  * it under the terms of the GNU General Public License version 3 as
      12              :  * published by the Free Software Foundation.
      13              :  *
      14              :  * This program is distributed in the hope that it will be useful,
      15              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      16              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      17              :  * GNU General Public License for more details.
      18              :  *
      19              :  * You should have received a copy of the GNU General Public License
      20              :  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
      21              :  */
      22              : #pragma once
      23              : 
      24              : #include "engravingobject.h"
      25              : 
      26              : namespace mu::engraving {
      27              : enum class Pid : short;
      28              : 
      29              : class RootItem;
      30              : class Score;
      31              : 
      32              : //! The parent an object has while it is not attached to anything. It is not part of
      33              : //! the score and nothing is laid out in it - it is not even an item; it only keeps
      34              : //! unattached objects reachable, and heads the accessibility tree they form.
      35              : class DummyParent : public EngravingObject
      36              : {
      37         4429 :     OBJECT_ALLOCATOR(engraving, DummyParent)
      38              : public:
      39              :     DummyParent(Score* score);
      40              :     ~DummyParent();
      41              : 
      42              :     void init();
      43              : 
      44           13 :     RootItem* rootItem() const { return m_root; }
      45              : 
      46            0 :     PropertyValue getProperty(Pid) const override { return PropertyValue(); }
      47            0 :     bool setProperty(Pid, const PropertyValue&) override { return false; }
      48              : 
      49              : private:
      50              :     RootItem* m_root = nullptr;
      51              : };
      52              : }