Click and hold button 1 over a channel name in the port matrix highlights
[ardour.git] / gtk2_ardour / port_matrix_labels.cc
1 /*
2     Copyright (C) 2002-2009 Paul Davis 
3
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.
8
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.
13
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.
17
18 */
19
20 #include "ardour/bundle.h"
21 #include "port_matrix_labels.h"
22
23 void
24 PortMatrixLabels::draw_extra (cairo_t* cr)
25 {
26         for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
27                 
28                 render_channel_name (
29                         cr,
30                         highlighted_channel_colour(),
31                         component_to_parent_x (channel_x (*i)),
32                         component_to_parent_y (channel_y (*i)),
33                         *i
34                         );
35         }
36 }
37
38 void
39 PortMatrixLabels::clear_channel_highlights ()
40 {
41         for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
42
43                 queue_draw_for (*i);
44         }
45
46         _channel_highlights.clear ();
47 }
48
49 void
50 PortMatrixLabels::add_channel_highlight (ARDOUR::BundleChannel const & bc)
51 {
52         _channel_highlights.push_back (bc);
53         queue_draw_for (bc);
54 }
55