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我想为 qtextedit 的符号名称添加一个完成器,它的行为看起来像一个完成器,但我怎样才能让它“浮动”在我的 qtextedit 之上?
我正在寻找的结果类似于 sublime 编辑器所做的。当你按下 ctrl+r 时,你会得到