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我的系统中只有上,下,左,右,Esc, Enter六个按键,没有鼠标。现在我需要打开QFileDialog,设置焦点到文件列表中,然后用按键来选择需要打开的文件。我不知道如何设置焦点到QFileDialog 中的文件列表框中,希望得到帮助,谢谢!
用 setFocus 把鍵盤焦點設到你的 file dialog 上?