David Reveman wrote:
On Thu, 2007-04-05 at 18:55 +0200, Bellegarde Cedric wrote:
One of the two last commit to move plugin make windows movements really
strange and cpu usage really intensive...
Strange in what way?
One of the changes that was made is that the server side window position
is now updated after each motion event. This shouldn't really affect
performance by itself but the application, some pager or some other
application might be doing something performance sensitive each time the
position changes.
I know that both gwd and kwd are doing a bunch of unnecessary work each
time the position changes and I'll fix that sometime soon.
There might always be applications that are doing a lot of unnecessary
work each time the window position changes so having support for only
updating the server-side position when we're finished moving a window is
useful and I'll add that back to the move plugin later in a more
appropriate way. The old way it was done was bad.
I have been looking at this a bit more (just at reproducing it) and I
have noticed some strange effects.
I do not think its a problem with the move plugin or the toolkits, it
seems related to the decorators.
If I reload compiz from a terminal and then shake that terminal the
movement is fluid and smooth. I notice that the kwd buttons go
missing as well. When I click to another window the decorator buttons
reappear and movement only updates when I pause the mouse
movement (ie. I see the horrible jerkyness).
I have seen the decorator lose buttons before so it looks like this
problem is actually a combination of a couple of changes, but
possibly related to that.
Does this sound reasonable?
Sorry, I forgot to copy the list on this one, I notice that killing
kwd fixes the problem, can anyone else see this?
- David
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