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livetrax/gtk2_ardour/port_matrix_grid.h

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/*
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 __gtk_ardour_port_matrix_grid_h__
#define __gtk_ardour_port_matrix_grid_h__
#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>
#include "ardour/types.h"
#include "port_matrix_component.h"
#include "port_matrix_types.h"
#include "port_group.h"
class PortMatrix;
class PortMatrixBody;
namespace ARDOUR {
class Bundle;
}
/** The grid part of the port matrix */
class PortMatrixGrid : public PortMatrixComponent
{
public:
PortMatrixGrid (PortMatrix *, PortMatrixBody *);
void button_press (double, double, int, uint32_t);
void button_release (double, double, int, uint32_t);
void motion (double, double);
double component_to_parent_x (double x) const;
double parent_to_component_x (double x) const;
double component_to_parent_y (double y) const;
double parent_to_component_y (double y) const;
void mouseover_changed (PortMatrixNode const &);
void draw_extra (cairo_t *);
private:
void compute_dimensions ();
void render (cairo_t *);
void render_group_pair (cairo_t *, boost::shared_ptr<const PortGroup>, boost::shared_ptr<const PortGroup>, uint32_t, uint32_t);
PortMatrixNode position_to_node (uint32_t, uint32_t) const;
void queue_draw_for (PortMatrixNode const &);
void draw_association_indicator (cairo_t *, uint32_t, uint32_t, double p = 1);
void draw_empty_square (cairo_t *, uint32_t, uint32_t);
void draw_unknown_indicator (cairo_t *, uint32_t, uint32_t);
std::list<PortMatrixNode> nodes_on_line (int, int, int, int) const;
PortMatrixNode::State get_association (PortMatrixNode) const;
void set_association (PortMatrixNode, bool);
bool toggle_state (PortMatrixNode::State) const;
bool _dragging;
bool _moved;
int _drag_start_x;
int _drag_start_y;
int _drag_x;
int _drag_y;
};
#endif