Hi,
ext Henrik Hedberg wrote:
> There is a standard X event for that: XVisibilityEvent. The X server
> (and a window manager) can keep window contents cached (backing store)
> and decide not to send exposure events, but my interpretation is that if
> it is not sending visibility events it is broken (and it is currently as
> I showed in my earlier post).
This is not the case with Compositing enabled (Maemo 5).
Only compositing manager can know whether something is visible,
X cannot. I think there's an extra API provided for that in
Maemo 5.
- Eero
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