connect(listView, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotItemEdited(QTreeWidgetItem *, int)));
connect(listView, SIGNAL(showProperties(DocClipBase *)), this, SIGNAL(showClipProperties(DocClipBase *)));
connect(listView, SIGNAL(itemChanged(QTreeWidgetItem *, int)), this, SLOT(slotItemEdited(QTreeWidgetItem *, int)));
connect(listView, SIGNAL(showProperties(DocClipBase *)), this, SIGNAL(showClipProperties(DocClipBase *)));