Thanks Jamey and Yann Droneaud > > I think [email protected] is the preferred place for this kind of > question, but that's OK. [Wing] I will move to [email protected] next time :)
> > On Fri, Feb 26, 2010 at 12:45 AM, Zhang, Xing Z <[email protected]> > wrote: > > From Xlib manual, Chapter 10.4 “Event Processing Overview”, event mask > > for SelectionRequest is “N.A” as well as other selection events. If I > > want to listen a SelectionRequest event by XWindowEvent, what value I > > should specify in parameter event_mask? NoEventMask? > > As far as I can tell from reading WinEvent.c and evtomask.c in > libX11/src/, you can't get selection events with XWindowEvent. > > I've been on a quiet crusade to convince people to quit writing X > clients that process events out-of-order anyway. :-) XNextEvent and > XPending are OK, but I believe the other event functions should never > have been in Xlib. [Wing] It is clear now. This also makes me understand why WM (e.g MatchBox) uses XNextEvent to process events. > > And naturally I think you should be using XCB rather than Xlib for new > code, which would mean you'd have to look at events in-order. :-) [Wing] Thank you for pointing out this. I didn't know there is a replacement of Xlib before. > > > ICCCM said “Clients attempting to acquire a selection must set the > > time value of the SetSelectionOwner request to the timestamp of the > > event triggering the acquisition attempt, not to CurrentTime”. In my > > simple code, there is no event happen before SetSelectionOwner, how > > can I get the timestamp? I didn’t see a function used to require > > timestamp in Xlib, so I have to trigger an event just for getting > > timestamp? > > That's my understanding, yes. I'm not an X protocol expert though. > You're already reading Metacity source, which is probably as good of an > example as anything. > > Jamey _______________________________________________ xorg-devel mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-devel
