How can I implement a dialog like Windows when I input an invalid file name?

**quantity** · 19th October 2011, 10:52

Can you explain the detail? I've tried QToolTip like this: lineEdit->setToolTip(tr("Please input valid characters")); but it doesn't work

Originally Posted by nish

It think QToolTip will do the trick for you

**nish** · 19th October 2011, 13:08

show the tooltip when you get a signal from your QRegExpValidator using QToolTip::showText

Thread: How can I implement a dialog like Windows when I input an invalid file name?