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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_body_h__
#define __gtk_ardour_port_matrix_body_h__
#include "port_matrix_column_labels.h"
#include "port_matrix_row_labels.h"
#include "port_matrix_grid.h"
#include "port_group.h"
#include "port_matrix_types.h"
class PortMatrix;
/** The main body of the port matrix. It is made up of three parts:
* column labels, grid and row labels, each drawn using cairo.
* This class handles the arrangement of these parts.
*/
class PortMatrixBody : public Gtk::EventBox
{
public:
enum Arrangement {
TOP_AND_RIGHT,
BOTTOM_AND_LEFT
};
PortMatrixBody (PortMatrix *, Arrangement);
/** @return ports to offer for columns */
PortGroupList const & column_ports () {
return _column_ports;
}
/** @return ports to offer for rows */
PortGroupList const & row_ports () {
return _row_ports;
}
void setup (PortGroupList const &, PortGroupList const &);
uint32_t full_scroll_width ();
uint32_t alloc_scroll_width ();
uint32_t full_scroll_height ();
uint32_t alloc_scroll_height ();
uint32_t xoffset () const {
return _xoffset;
}
void set_xoffset (uint32_t);
uint32_t yoffset () const {
return _yoffset;
}
void set_yoffset (uint32_t);
void rebuild_and_draw_grid ();
void set_mouseover (PortMatrixNode const &);
PortMatrixNode mouseover () const {
return _mouseover;
}
protected:
bool on_expose_event (GdkEventExpose *);
void on_size_request (Gtk::Requisition *);
void on_size_allocate (Gtk::Allocation &);
bool on_button_press_event (GdkEventButton *);
bool on_enter_notify_event (GdkEventCrossing *);
bool on_motion_notify_event (GdkEventMotion *);
private:
void compute_rectangles ();
void rebuild_and_draw_column_labels ();
void rebuild_and_draw_row_labels ();
void update_bundles ();
PortMatrix* _port_matrix;
PortMatrixColumnLabels _column_labels;
PortMatrixRowLabels _row_labels;
PortMatrixGrid _grid;
Arrangement _arrangement;
uint32_t _alloc_width; ///< allocated width
uint32_t _alloc_height; ///< allocated height
Gdk::Rectangle _column_labels_rect;
Gdk::Rectangle _row_labels_rect;
Gdk::Rectangle _grid_rect;
uint32_t _xoffset;
uint32_t _yoffset;
bool _pointer_inside;
/// bundles to offer for columns
PortGroupList _column_ports;
/// bundles to offer for rows
PortGroupList _row_ports;
PortMatrixNode _mouseover;
std::list<sigc::connection> _bundle_connections;
};
#endif
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