timeline_widget.py 文件源码

def _add_track(self, track, y_pos):
        scene_rect = self.sceneRect()
        rect = QtCore.QRectF(0, 0, scene_rect.width() * 10, TRACK_HEIGHT)
        new_track = TrackWidget(track, rect)
        self.addItem(new_track)
        new_track.setPos(scene_rect.x(), y_pos)