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              : 
      23              : #ifndef MU_ENGRAVING_KEYLIST_H
      24              : #define MU_ENGRAVING_KEYLIST_H
      25              : 
      26              : #include <map>
      27              : 
      28              : #include "global/allocator.h"
      29              : #include "key.h"
      30              : 
      31              : namespace mu::engraving {
      32              : //---------------------------------------------------------
      33              : //   KeyList
      34              : //    this list is instantiated for every staff
      35              : //    to keep track of key signature changes
      36              : //---------------------------------------------------------
      37              : 
      38              : class KeyList : public std::map<const int, KeySigEvent>
      39              : {
      40              :     OBJECT_ALLOCATOR(engraving, KeyList)
      41              : public:
      42         4290 :     KeyList() {}
      43              :     KeySigEvent key(int tick) const;
      44              :     KeySigEvent prevKey(int tick) const;
      45              :     void setKey(int tick, KeySigEvent);
      46              :     int nextKeyTick(int tick) const;
      47              :     int currentKeyTick(int tick) const;
      48              : };
      49              : }
      50              : 
      51              : #endif