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view base/PlayParameterRepository.h @ 1841:627a7d7ada45
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author | Chris Cannam |
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date | Tue, 14 Apr 2020 10:12:07 +0100 |
parents | 77543124651b |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006 Chris Cannam. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef SV_PLAY_PARAMETER_REPOSITORY_H #define SV_PLAY_PARAMETER_REPOSITORY_H #include "PlayParameters.h" #include "Command.h" class Playable; #include <map> #include <memory> #include <QObject> #include <QString> class PlayParameterRepository : public QObject { Q_OBJECT public: static PlayParameterRepository *getInstance(); virtual ~PlayParameterRepository(); /** * Register a playable. The id can be anything you like, so long * as it is unique among playables. */ void addPlayable(int id, const Playable *); /** * Unregister a playable. This must happen before a playable is * deleted. */ void removePlayable(int id); /** * Copy the play parameters from one playable to another. */ void copyParameters(int fromId, int toId); /** * Retrieve the play parameters for a playable. */ std::shared_ptr<PlayParameters> getPlayParameters(int id); void clear(); class EditCommand : public Command { public: EditCommand(std::shared_ptr<PlayParameters> params); void setPlayMuted(bool); void setPlayAudible(bool); void setPlayPan(float); void setPlayGain(float); void setPlayClipId(QString); void execute() override; void unexecute() override; QString getName() const override; protected: std::shared_ptr<PlayParameters> m_params; PlayParameters m_from; PlayParameters m_to; }; signals: void playParametersChanged(int playableId); void playClipIdChanged(int playableId, QString); protected slots: void playParametersChanged(); void playClipIdChanged(QString); protected: typedef std::map<int, std::shared_ptr<PlayParameters>> PlayableParameterMap; PlayableParameterMap m_playParameters; static PlayParameterRepository *m_instance; }; #endif