检测特定NSCollectionView中的鼠标单击

Question

我正在寻找一个在NSCollectionView中检测鼠标点击的答案。所以当NSCollectionView中有一个点击时，我可以让它做一些事情。

由于

Answer 1

子类data = sorted(data, key=lambda x: x["timestamp"], reverse=True) used_keys, cleaned_data = [ ], [ ] for item in data: if not item['key'] in used_keys: # if a key that we encounter in the list isn't used yet, # add its corresponding item to cleaned_data and add it to # used_keys so we know not to use it again. cleaned_data.append(item) used_keys.append(item['key']) 并实施NSCollectionView