timeline_widget.py 文件源码

def __init__(self, composition, *args, **kwargs):
        super(CompositionWidget, self).__init__(*args, **kwargs)
        self.composition = composition

        self.setBackgroundBrush(QtGui.QBrush(QtGui.QColor(64, 78, 87, 255)))

        self._adjust_scene_size()
        self._add_time_slider()
        self._add_tracks()
        self._add_markers()