livetrax/gtk2_ardour/port_matrix_labels.h

/*
    Copyright (C) 2002-2009 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 __port_matrix_labels_h__
#define __port_matrix_labels_h__

#include "port_matrix_component.h"

namespace ARDOUR {
	class BundleChannel;
}

class PortMatrixLabels : public PortMatrixComponent
{
public:
	PortMatrixLabels (PortMatrix* m, PortMatrixBody* b) : PortMatrixComponent (m, b) {}
	virtual ~PortMatrixLabels () {}

	void draw_extra (cairo_t *);

	void clear_channel_highlights ();
	void add_channel_highlight (ARDOUR::BundleChannel const &);

private:
	virtual void render_channel_name (cairo_t *, Gdk::Color, double, double, ARDOUR::BundleChannel const &) = 0;
	virtual void render_bundle_name (cairo_t *, Gdk::Color, double, double, boost::shared_ptr<ARDOUR::Bundle>) = 0;
	virtual double channel_x (ARDOUR::BundleChannel const &) const = 0;
	virtual double channel_y (ARDOUR::BundleChannel const &) const = 0;
	virtual void queue_draw_for (ARDOUR::BundleChannel const &) = 0;

	std::vector<ARDOUR::BundleChannel> _channel_highlights;
};

#endif