connect(m_view, &DolphinView::selectionChanged, this, &DolphinPart::slotSelectionChanged);
connect(m_view, &DolphinView::requestItemInfo, this, &DolphinPart::slotRequestItemInfo);
connect(m_view, &DolphinView::modeChanged, this, &DolphinPart::viewModeChanged); // relay signal
connect(m_view, &DolphinView::selectionChanged, this, &DolphinPart::slotSelectionChanged);
connect(m_view, &DolphinView::requestItemInfo, this, &DolphinPart::slotRequestItemInfo);
connect(m_view, &DolphinView::modeChanged, this, &DolphinPart::viewModeChanged); // relay signal