Mercurial > hg > svcore
view base/Command.h @ 1886:f803d3c33f76 tip
Switch off copious debug in soft synth driving
author | Chris Cannam |
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date | Fri, 14 Aug 2020 10:44:44 +0100 |
parents | 498ed1e86f92 |
children |
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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_COMMAND_H #define SV_COMMAND_H #include <QObject> #include <QString> #include <vector> #include <functional> #include "Debug.h" class Command { public: virtual ~Command() { } virtual void execute() = 0; virtual void unexecute() = 0; virtual QString getName() const = 0; }; /** * GenericCommand is a Command that can be constructed directly using * lambdas, without having to create a subclass. Best for commands * invoked only in a single place, and where little state is involved. */ class GenericCommand : public Command { public: GenericCommand(QString name, std::function<void()> execute, std::function<void()> unexecute) : m_name(name), m_execute(execute), m_unexecute(unexecute), m_onDelete([] {}) { } GenericCommand(QString name, std::function<void()> execute, std::function<void()> unexecute, std::function<void()> onDelete) : m_name(name), m_execute(execute), m_unexecute(unexecute), m_onDelete(onDelete) { } virtual ~GenericCommand() { m_onDelete(); } QString getName() const override { return m_name; } void execute() override { m_execute(); } void unexecute() override { m_unexecute(); } private: QString m_name; std::function<void()> m_execute; std::function<void()> m_unexecute; std::function<void()> m_onDelete; }; class MacroCommand : public Command { public: MacroCommand(QString name); virtual ~MacroCommand(); virtual void addCommand(Command *command); virtual void deleteCommand(Command *command); virtual bool haveCommands() const; void execute() override; void unexecute() override; QString getName() const override; virtual void setName(QString name); protected: QString m_name; std::vector<Command *> m_commands; }; /** * BundleCommand is a MacroCommand whose name includes a note of how * many commands it contains. It is a QObject with Q_OBJECT macro so * that it can do plural-sensitive translations. */ class BundleCommand : public QObject, public MacroCommand { Q_OBJECT public: BundleCommand(QString name); virtual ~BundleCommand(); QString getName() const override; }; #endif