timeline_widget.py 文件源码

def __init__(self, marker, *args, **kwargs):
        self.item = marker

        poly = QtGui.QPolygonF()
        poly.append(QtCore.QPointF(0.5 * MARKER_SIZE, -0.5 * MARKER_SIZE))
        poly.append(QtCore.QPointF(0.5 * MARKER_SIZE, 0.5 * MARKER_SIZE))
        poly.append(QtCore.QPointF(0, MARKER_SIZE))
        poly.append(QtCore.QPointF(-0.5 * MARKER_SIZE, 0.5 * MARKER_SIZE))
        poly.append(QtCore.QPointF(-0.5 * MARKER_SIZE, -0.5 * MARKER_SIZE))
        super(Marker, self).__init__(poly, *args, **kwargs)

        self.setFlags(QtGui.QGraphicsItem.ItemIsSelectable)
        self.setBrush(QtGui.QBrush(QtGui.QColor(121, 212, 177, 255)))