I m a QT programmer, 现在我需要使用户能够在我的节目中指定一个物体的名称。 有一项规则,即该名称只能包含几种特性,如果用户投入无效,我想像Windows那样,用方言表示错误(见所附图像)。 我已经实施了从QRegExpValidator衍生的子级,并在未能证实时能够成功地获取信号。 但是,我怎么能像这一样执行辩词? 没有人对此有任何想法?
事先见到:。
I m a QT programmer, 现在我需要使用户能够在我的节目中指定一个物体的名称。 有一项规则,即该名称只能包含几种特性,如果用户投入无效,我想像Windows那样,用方言表示错误(见所附图像)。 我已经实施了从QRegExpValidator衍生的子级,并在未能证实时能够成功地获取信号。 但是,我怎么能像这一样执行辩词? 没有人对此有任何想法?
事先见到:。
http://doc.qt.nokia.com/latest/qtooltip.html#showText-2”rel=“nofollow” QToolTip:showText()
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