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.
34 class PortMatrixBody : public Gtk::EventBox
37 PortMatrixBody (PortMatrix *);
41 uint32_t full_scroll_width ();
42 uint32_t alloc_scroll_width ();
43 uint32_t full_scroll_height ();
44 uint32_t alloc_scroll_height ();
46 uint32_t xoffset () const {
49 void set_xoffset (uint32_t);
50 uint32_t yoffset () const {
53 void set_yoffset (uint32_t);
55 void rebuild_and_draw_grid ();
57 void set_mouseover (PortMatrixNode const &);
58 PortMatrixNode mouseover () const {
62 void highlight_associated_channels (int, uint32_t);
65 bool on_expose_event (GdkEventExpose *);
66 void on_size_request (Gtk::Requisition *);
67 void on_size_allocate (Gtk::Allocation &);
68 bool on_button_press_event (GdkEventButton *);
69 bool on_button_release_event (GdkEventButton *);
70 bool on_leave_notify_event (GdkEventCrossing *);
71 bool on_motion_notify_event (GdkEventMotion *);
74 void compute_rectangles ();
75 void rebuild_and_draw_column_labels ();
76 void rebuild_and_draw_row_labels ();
77 void update_bundles ();
78 void set_cairo_clip (cairo_t *, Gdk::Rectangle const &) const;
81 PortMatrixColumnLabels _column_labels;
82 PortMatrixRowLabels _row_labels;
85 uint32_t _alloc_width; ///< allocated width
86 uint32_t _alloc_height; ///< allocated height
87 Gdk::Rectangle _column_labels_rect;
88 Gdk::Rectangle _row_labels_rect;
89 Gdk::Rectangle _grid_rect;
93 PortMatrixNode _mouseover;
94 bool _mouse_over_grid;
96 std::list<sigc::connection> _bundle_connections;