2 Copyright (C) 2002-2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk_ardour_port_matrix_body_h__
21 #define __gtk_ardour_port_matrix_body_h__
23 #include "port_matrix_column_labels.h"
24 #include "port_matrix_row_labels.h"
25 #include "port_matrix_grid.h"
26 #include "port_group.h"
30 /** The main body of the port matrix. It is made up of three parts:
31 * column labels, grid and row labels, each drawn using cairo.
32 * This class handles the arrangement of these parts.
34 class PortMatrixBody : public Gtk::EventBox
42 PortMatrixBody (PortMatrix *, Arrangement);
44 /** @return ports to offer for columns */
45 PortGroupList const & column_ports () {
49 /** @return ports to offer for rows */
50 PortGroupList const & row_ports () {
54 void setup (PortGroupList const &, PortGroupList const &);
56 uint32_t full_scroll_width ();
57 uint32_t alloc_scroll_width ();
58 uint32_t full_scroll_height ();
59 uint32_t alloc_scroll_height ();
61 void set_xoffset (uint32_t);
62 void set_yoffset (uint32_t);
64 void rebuild_and_draw_grid ();
67 bool on_expose_event (GdkEventExpose *);
68 void on_size_request (Gtk::Requisition *);
69 void on_size_allocate (Gtk::Allocation &);
70 bool on_button_press_event (GdkEventButton *);
73 void compute_rectangles ();
74 void rebuild_and_draw_column_labels ();
75 void rebuild_and_draw_row_labels ();
77 PortMatrix* _port_matrix;
78 PortMatrixColumnLabels _column_labels;
79 PortMatrixRowLabels _row_labels;
82 Arrangement _arrangement;
83 uint32_t _alloc_width; ///< allocated width
84 uint32_t _alloc_height; ///< allocated height
85 Gdk::Rectangle _column_labels_rect;
86 Gdk::Rectangle _row_labels_rect;
87 Gdk::Rectangle _grid_rect;
91 /// bundles to offer for columns
92 PortGroupList _column_ports;
93 /// bundles to offer for rows
94 PortGroupList _row_ports;
96 std::list<sigc::connection> _bundle_connections;