Click and hold button 1 over a channel name in the port matrix highlights

connected channels.


git-svn-id: svn://localhost/ardour2/branches/3.0@4484 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 55 insertions, 0 deletions

diff --git a/gtk2_ardour/port_matrix_labels.cc b/gtk2_ardour/port_matrix_labels.cc
new file mode 100644
index 0000000000..3a50edb7c6
--- /dev/null
+++ b/gtk2_ardour/port_matrix_labels.cc
@@ -0,0 +1,55 @@
+/*
+    Copyright (C) 2002-2009 Paul Davis 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include "ardour/bundle.h"
+#include "port_matrix_labels.h"
+
+void
+PortMatrixLabels::draw_extra (cairo_t* cr)
+{
+	for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
+		
+		render_channel_name (
+			cr,
+			highlighted_channel_colour(),
+			component_to_parent_x (channel_x (*i)),
+			component_to_parent_y (channel_y (*i)),
+			*i
+			);
+	}
+}
+
+void
+PortMatrixLabels::clear_channel_highlights ()
+{
+	for (std::vector<ARDOUR::BundleChannel>::const_iterator i = _channel_highlights.begin(); i != _channel_highlights.end(); ++i) {
+
+		queue_draw_for (*i);
+	}
+
+	_channel_highlights.clear ();
+}
+
+void
+PortMatrixLabels::add_channel_highlight (ARDOUR::BundleChannel const & bc)
+{
+	_channel_highlights.push_back (bc);
+	queue_draw_for (bc);
+}
+