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"
27 #include "port_matrix_types.h"
31 /** The main body of the port matrix. It is made up of three parts:
32 * column labels, grid and row labels, each drawn using cairo.
33 * This class handles the arrangement of these parts.
35 class PortMatrixBody : public Gtk::EventBox
43 PortMatrixBody (PortMatrix *, Arrangement);
45 /** @return ports to offer for columns */
46 PortGroupList const & column_ports () {
50 /** @return ports to offer for rows */
51 PortGroupList const & row_ports () {
55 void setup (PortGroupList const &, PortGroupList const &);
57 uint32_t full_scroll_width ();
58 uint32_t alloc_scroll_width ();
59 uint32_t full_scroll_height ();
60 uint32_t alloc_scroll_height ();
62 uint32_t xoffset () const {
65 void set_xoffset (uint32_t);
66 uint32_t yoffset () const {
69 void set_yoffset (uint32_t);
71 void rebuild_and_draw_grid ();
73 void set_mouseover (PortMatrixNode const &);
74 PortMatrixNode mouseover () const {
79 bool on_expose_event (GdkEventExpose *);
80 void on_size_request (Gtk::Requisition *);
81 void on_size_allocate (Gtk::Allocation &);
82 bool on_button_press_event (GdkEventButton *);
83 bool on_enter_notify_event (GdkEventCrossing *);
84 bool on_motion_notify_event (GdkEventMotion *);
87 void compute_rectangles ();
88 void rebuild_and_draw_column_labels ();
89 void rebuild_and_draw_row_labels ();
90 void update_bundles ();
92 PortMatrix* _port_matrix;
93 PortMatrixColumnLabels _column_labels;
94 PortMatrixRowLabels _row_labels;
97 Arrangement _arrangement;
98 uint32_t _alloc_width; ///< allocated width
99 uint32_t _alloc_height; ///< allocated height
100 Gdk::Rectangle _column_labels_rect;
101 Gdk::Rectangle _row_labels_rect;
102 Gdk::Rectangle _grid_rect;
105 bool _pointer_inside;
107 /// bundles to offer for columns
108 PortGroupList _column_ports;
109 /// bundles to offer for rows
110 PortGroupList _row_ports;
112 PortMatrixNode _mouseover;
114 std::list<sigc::connection> _bundle_connections;