[openbox] Making openbox to start new windows on parent desktop.

[Piotr Karbowski]

> IIUC, the question is: he starts an app while on desktop e.g., #4 and
> switches to desktop e.g., #2. In the mean time the app becomes active
> (it takes some time, like most modern GUI apps, unfortuantely). The
> app now opens its windows on the current desktop, #2. OP wants it to
> open its windows on the desktop where it was originally started.

Exactly!