Emdek/otter — pull request #554 by beastie1 (2014-11-30 17:57:43+00:00)
Title: Add a 'Hide' button to the exit warning dialog

> What does Opera show when window is already hidden and user wants to quit?

It has the same behavior as Otter: it quits.

In the case of Otter, isn't that an issue? Does it not mean that **QCloseEvent** doesn't occur? By the way, this is also the case when quitting with **File > Exit**.