Small optimisation. Fix mouseover highlighting in the port matrix.
[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 #include "port_matrix.h"
23
24 void
25 PortMatrixLabels::draw_extra (cairo_t* cr)
26 {
27         for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
28                 if (_matrix->show_only_bundles()) {
29                         render_bundle_name (
30                                 cr,
31                                 highlighted_channel_colour(),
32                                 component_to_parent_x (channel_x (*i)),
33                                 component_to_parent_y (channel_y (*i)),
34                                 i->bundle
35                                 );
36                 } else {
37                         render_channel_name (
38                                 cr,
39                                 highlighted_channel_colour(),
40                                 component_to_parent_x (channel_x (*i)),
41                                 component_to_parent_y (channel_y (*i)),
42                                 *i
43                                 );
44                 }
45         }
46 }
47
48 void
49 PortMatrixLabels::clear_channel_highlights ()
50 {
51         for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
52                 queue_draw_for (*i);
53         }
54
55         _channel_highlights.clear ();
56 }
57
58 void
59 PortMatrixLabels::add_channel_highlight (ARDOUR::BundleChannel const & bc)
60 {
61         _channel_highlights.push_back (bc);
62         queue_draw_for (bc);
63 }
64