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livetrax/gtk2_ardour/panner_interface.h

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/*
Copyright (C) 2011 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 __gtk_ardour_panner_interface_h__
#define __gtk_ardour_panner_interface_h__
#include <boost/shared_ptr.hpp>
#include <gtkmm/drawingarea.h>
#include <gtkmm/label.h>
#include "pbd/destructible.h"
namespace ARDOUR {
class Panner;
}
class PannerEditor;
/** Parent class for some panner UI classes that contains some common code */
class PannerInterface : public Gtk::DrawingArea, public PBD::Destructible
{
public:
PannerInterface (boost::shared_ptr<ARDOUR::Panner>);
virtual ~PannerInterface ();
boost::shared_ptr<ARDOUR::Panner> panner () {
return _panner;
}
void edit ();
protected:
virtual void set_drag_data () = 0;
void show_drag_data_window ();
void hide_drag_data_window ();
void value_change ();
bool on_enter_notify_event (GdkEventCrossing *);
bool on_leave_notify_event (GdkEventCrossing *);
bool on_key_release_event (GdkEventKey *);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
boost::shared_ptr<ARDOUR::Panner> _panner;
Gtk::Window* _drag_data_window;
Gtk::Label* _drag_data_label;
bool _dragging;
private:
bool drag_data_timeout ();
sigc::connection _drag_data_timeout;
virtual PannerEditor* editor () = 0;
PannerEditor* _editor;
};
#endif