gtk2_ardour/selectable.h

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/*
 * Copyright (C) 2006-2016 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#pragma once
#include <list>
 
#include <sigc++/signal.h>
 
#include "temporal/timeline.h"
 
class Selection;
 
class Selectable : public virtual sigc::trackable
{
public:
        Selectable() {
                _selected = false;
        }
 
        virtual ~Selectable() {}
 
        virtual void set_selected (bool yn) {
                if (yn != _selected) {
                        _selected = yn;
                }
        }
 
        virtual bool selected() const {
                return _selected;
        }
 
protected:
        bool _selected;
};
 
class SelectableOwner
{
  public:
        SelectableOwner() {}
        virtual ~SelectableOwner() {}
 
        void get_selectables (Temporal::timepos_t const & start, Temporal::timepos_t  const & end, double x, double y, std::list<Selectable*>& sl, bool within = false) {
                _get_selectables (start, end, x, y, sl, within);
        }
 
        virtual void _get_selectables (Temporal::timepos_t const &, Temporal::timepos_t  const &, double, double, std::list<Selectable*>&, bool within) = 0;
        virtual void get_inverted_selectables (Selection&, std::list<Selectable *>& results) = 0;
};