+ setAttribute(Qt::WA_NoSystemBackground, true);
+ setFocusPolicy(Qt::ClickFocus);
+ setMouseTracking(true);
+}
+
+void MarginWidget::show_popup(const shared_ptr<ViewItem> &item)
+{
+ pv::widgets::Popup *const p = item->create_popup(this);
+ if (p)
+ p->show();
+}
+
+void MarginWidget::leaveEvent(QEvent*)
+{
+ mouse_point_ = QPoint(-1, -1);
+ update();
+}
+
+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());