video_editing.py 文件源码

def execute(self, context):
        selection = sorted(bpy.context.selected_sequences, key=attrgetter('frame_final_start'))
        time_move = selection[0].frame_final_start - bpy.context.scene.frame_current
        selection = reversed(selection)

        empty_channel = find_empty_channel()

        for s in selection:
            if s.type in SequenceTypes.VIDEO or s.type in SequenceTypes.IMAGE or s.type in SequenceTypes.SOUND:
                s.frame_start -= time_move
        return {'FINISHED'}