Chapter 16. Providing Online Help
Most applications provide their users with online help. Some help is short, such as tooltips, status tips, and “What’s This?” help. Qt supports all of these. Other help can be much more extensive, involving many pages of text. For this kind of help, you can use
QTextBrowser as a simple online help browser, or you can invoke Qt Assistant or another HTML browser from your application.
Tooltips, Status Tips, and “What’s This?” Help
A tooltip is a small piece of text that appears when the mouse hovers over a widget for a certain period of time. Tooltips are presented with black text on a ...