--- /dev/null
+/*
+ * This file is part of the PulseView project.
+ *
+ * Copyright (C) 2013 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <QMenu>
+#include <QMouseEvent>
+
+#include "view.hpp"
+
+#include "marginwidget.hpp"
+
+#include <pv/widgets/popup.hpp>
+
+using std::shared_ptr;
+
+namespace pv {
+namespace views {
+namespace trace {
+
+MarginWidget::MarginWidget(View &parent) :
+ ViewWidget(parent)
+{
+ setAttribute(Qt::WA_NoSystemBackground, true);
+}
+
+void MarginWidget::item_clicked(const shared_ptr<ViewItem> &item)
+{
+ if (item && item->enabled())
+ show_popup(item);
+}
+
+void MarginWidget::show_popup(const shared_ptr<ViewItem> &item)
+{
+ pv::widgets::Popup *const p = item->create_popup(this);
+ if (p)
+ p->show();
+}
+
+void MarginWidget::contextMenuEvent(QContextMenuEvent *event)
+{
+ const shared_ptr<ViewItem> r = get_mouse_over_item(mouse_point_);
+ if (!r)
+ return;
+
+ QMenu *menu = r->create_context_menu(this);
+ if (menu)
+ menu->exec(event->globalPos());
+}
+
+void MarginWidget::keyPressEvent(QKeyEvent *event)
+{
+ assert(event);
+
+ if (event->key() == Qt::Key_Delete) {
+ const auto items = this->items();
+ for (auto &i : items)
+ if (i->selected())
+ i->delete_pressed();
+ }
+}
+
+} // namespace trace
+} // namespace views
+} // namespace pv