def startDrag(self, supportedActions):
# We reimplement this to visualize a tooltip instead of entire rows while dragging.
rows = self.selectionModel().selectedRows()
data = self.model().mimeData(rows)
label = QLabel(
str(len(rows)) + " items" if len(rows) > 1 else "1 item")
# Use QPalette.ColorRole?
label.setStyleSheet(
"font-weight: bold; color : white; background-color : black; border: 1px solid grey"
)
pixmap = label.grab()
pixmap.rect().adjust(10, 10, 0, 0)
drag = QDrag(self)
drag.setPixmap(pixmap)
# drag.setDragCursor(pixmap, Qt.CopyAction)
drag.setMimeData(data)
drag.setHotSpot(pixmap.rect().center())
drag.exec_(Qt.CopyAction)