bindable_button.h

Go to the documentation of this file.

/*
    Copyright (C) 2004 Paul Davis

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __bindable_button_h__
#define __bindable_button_h__

#include <string>

#include "pbd/signals.h"

#include "gtkmm2ext/visibility.h"
#include "gtkmm2ext/stateful_button.h"
#include "gtkmm2ext/binding_proxy.h"

namespace PBD {
        class Controllable;
}

class LIBGTKMM2EXT_API BindableToggleButton : public Gtkmm2ext::StatefulToggleButton
{
   public:
        BindableToggleButton (const std::string &label)
                : Gtkmm2ext::StatefulToggleButton (label) {}
        BindableToggleButton () {}

        virtual ~BindableToggleButton() {}
        
        bool on_button_press_event (GdkEventButton *ev) {
                if (!binding_proxy.button_press_handler (ev)) {
                        StatefulToggleButton::on_button_press_event (ev);
                        return false;
                } else {
                        return true;
                }
        }
        
        boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
        void set_controllable (boost::shared_ptr<PBD::Controllable> c);
        void watch ();

  protected:
        void controllable_changed ();
        PBD::ScopedConnection watch_connection;

  private:
        BindingProxy binding_proxy;
};

class LIBGTKMM2EXT_API BindableButton : public Gtkmm2ext::StatefulButton
{
   public:
        BindableButton (boost::shared_ptr<PBD::Controllable> c) : binding_proxy (c) {}
        ~BindableButton() {}
        
        bool on_button_press_event (GdkEventButton *ev) {
                if (!binding_proxy.button_press_handler (ev)) {
                        StatefulButton::on_button_press_event (ev);
                        return false;
                } else {
                        return true;
                }
        }

        boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
        void set_controllable (boost::shared_ptr<PBD::Controllable> c) { binding_proxy.set_controllable (c); }

  private:
        BindingProxy binding_proxy;
};

#endif