2 * Copyright (C) 2009 Carl Hetherington <carl@carlh.net>
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 along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 #ifndef __gtk_ardour_port_matrix_body_h__
20 #define __gtk_ardour_port_matrix_body_h__
22 #include <gtkmm/eventbox.h>
23 #include "port_group.h"
24 #include "port_matrix_types.h"
27 class PortMatrixColumnLabels;
28 class PortMatrixRowLabels;
30 class PortMatrixComponent;
32 /** The main body of the port matrix. It is made up of three parts:
33 * column labels, grid and row labels, each drawn using cairo.
35 class PortMatrixBody : public Gtk::EventBox
38 PortMatrixBody (PortMatrix *);
43 uint32_t full_scroll_width ();
44 uint32_t alloc_scroll_width ();
45 uint32_t full_scroll_height ();
46 uint32_t alloc_scroll_height ();
48 uint32_t xoffset () const {
51 void set_xoffset (uint32_t);
52 uint32_t yoffset () const {
55 void set_yoffset (uint32_t);
57 void rebuild_and_draw_grid ();
59 void set_mouseover (PortMatrixNode const &);
60 void set_mouseover (std::list<PortMatrixNode> const &);
61 std::list<PortMatrixNode> mouseover () const {
65 void highlight_associated_channels (int, ARDOUR::BundleChannel);
66 void component_size_changed ();
67 std::pair<uint32_t, uint32_t> max_size () const;
69 uint32_t column_labels_border_x () const;
70 uint32_t column_labels_height () const;
72 sigc::signal<void> DimensionsChanged;
75 bool on_expose_event (GdkEventExpose *);
76 void on_size_request (Gtk::Requisition *);
77 void on_size_allocate (Gtk::Allocation &);
78 bool on_button_press_event (GdkEventButton *);
79 bool on_button_release_event (GdkEventButton *);
80 bool on_leave_notify_event (GdkEventCrossing *);
81 bool on_motion_notify_event (GdkEventMotion *);
84 void compute_rectangles ();
85 void rebuild_and_draw_column_labels ();
86 void rebuild_and_draw_row_labels ();
87 void update_bundles ();
88 void set_cairo_clip (cairo_t *, Gdk::Rectangle const &) const;
91 PortMatrixColumnLabels* _column_labels;
92 PortMatrixRowLabels* _row_labels;
93 PortMatrixGrid* _grid;
94 std::list<PortMatrixComponent*> _components;
96 uint32_t _alloc_width; ///< allocated width
97 uint32_t _alloc_height; ///< allocated height
100 uint32_t _column_labels_border_x;
101 uint32_t _column_labels_height;
103 std::list<PortMatrixNode> _mouseover;
104 bool _ignore_component_size_changed;
106 PBD::ScopedConnectionList _bundle_connections;