+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "header.h"
+#include "view.h"
+
+#include "../../signal.h"
+#include "../../sigsession.h"
+
+#include <assert.h>
+
+#include <boost/foreach.hpp>
+
+#include <QPainter>
+#include <QRect>
+
+using namespace boost;
+using namespace std;
+
+namespace pv {
+namespace view {
+
+Header::Header(View &parent) :
+ QWidget(&parent),
+ _view(parent)
+{
+}
+
+void Header::paintEvent(QPaintEvent *event)
+{
+ const int w = width();
+ const vector< shared_ptr<Signal> > &sigs =
+ _view.session().get_signals();
+
+ QPainter painter(this);
+ painter.setRenderHint(QPainter::Antialiasing);
+
+ int offset = -_view.v_offset();
+ BOOST_FOREACH(const shared_ptr<Signal> s, sigs)
+ {
+ assert(s);
+
+ const QRect label_rect(0, offset, w, View::SignalHeight);
+ s->paint_label(painter, label_rect);
+
+ offset += View::SignalHeight;
+ }
+
+ painter.end();
+}
+
+} // namespace view
+} // namespace pv