spanviews.py 文件源码

def on_pick(self, event):
        # Filter any non-Polygons (axvspan:s) or non-visible
        artist = event.artist
        if not isinstance(artist, Polygon) or not artist.get_visible():
            return
        item = self.span2item.get(artist, None)
        if not item:
            logging.error('item for artist unexpectedly not found')
            return
        marking = self.span2marking[artist]
        self.sig_span_picked.emit(item, marking, event)