view base/Command.h @ 363:0e30c8ec15a0

* Add wave file model method for reading more than one channel at once,
  avoiding ludicrously expensive backward seeks and double-reads when
  playing multi-channel files or using them as inputs to feature extraction
  plugins

/* -*- 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 _COMMAND_H_
#define _COMMAND_H_

#include <QString>
#include <vector>

class Command
{
public:
    virtual ~Command() { }

    virtual void execute() = 0;
    virtual void unexecute() = 0;
    virtual QString getName() const = 0;
};

class MacroCommand : public Command
{
public:
    MacroCommand(QString name);
    virtual ~MacroCommand();

    virtual void addCommand(Command *command);
    virtual void deleteCommand(Command *command);
    virtual bool haveCommands() const;

    virtual void execute();
    virtual void unexecute();

    virtual QString getName() const;
    virtual void setName(QString name);

protected:
    QString m_name;
    std::vector<Command *> m_commands;
};

#endif