+ view_(parent),
+ dragging_(false)
+{
+ 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*)