[Xcb] xcb and xlib events

[Vincent Torri]

On Thu, 21 Jul 2005, Jamey Sharp wrote:

> On Mon, 2005-07-11 at 10:22 +0200, Vincent Torri wrote:
> > Hello,
>
> Hi Vincent!
>
> > In ecore event loop, when i use xlib port, for a program, I have this
> > sequence of events during the event loop :
> >
> > 8 ProperNotify events
> > 2 Expose events
> > 1 ProperNotify event
> > etc...
> >
> > But when I use the xcb port, I get the sequence of events:
> >
> > 8 ProperNotify events
> >
> > So, is it normal ? Do you think it could be a bug in xcb ?
>
> It could mean XCB is just a little faster than Xlib. ;-)

hehe

> The real question is whether those Expose events, etc., show up if you
> run the loop again a little while later. If you never, ever get them,
> and your XCB-using code makes pretty much the same sequence of requests
> as the Xlib-using code, then I suppose it could be an XCB bug.

well, i can add a sleep(1); (sleep of 1s) between the first and second
event. Is it sufficient ?

>
> You can tell by using either xscope or ethereal to watch the responses
> coming back from the X server. That may tell you that those Expose
> events aren't actually being sent to your XCB-based code. Then you might
> ask why not...

I've never used them. I'll look at them.

Btw, Desktopcon was good ? have you met raster and discussed with him a
bit ?

Vincent