Re: [dwm] Java Saga Continues...

From: Anselm R. Garbe <>
Date: Thu, 21 Dec 2006 12:44:28 +0100

On Thu, Dec 21, 2006 at 12:41:03PM +0100, Anselm R. Garbe wrote:
> On Thu, Dec 21, 2006 at 12:15:42PM +0100, Sander van Dijk wrote:
> > On 12/21/06, Anselm R. Garbe <> wrote:
> > >I fear there is no simple solution unless Sun don't fixes the
> > >JDK properly. Introducing frames for each client would mean much
> > >more resource consumption of X, and the dwm codebase would get
> > >more complex - one would need to change nearly all
> > >resize-related stuff, manage() and unmanage(), besides extending
> > >Client struct with Client->fwin.
> >
> > Just a (probably silly) idea: would reparenting to the parent help? I
> > haven't read Sun's sources myself, but from what I understand these
> > java progs discard all configurenotify's and resizes if they are not
> > reparented (or rather, _until_ they are reparented). If one would
> > reparenting such a window to what already is its parent, this java
> > stuff might still react to the ReparentNotify this generates. For the
> > rest nothing would change, so dwm's codebase wouldn't need to change
> > any further. If this works, a nice "/* stupid hack to work around java
> > issue */" above the code would suffice I think.
> >
> > Note that I don't really have a clue about this stuff, so this might
> > all be nonsense; decided to share it anyway in case it isn't garbage
> > though :-)
> I checked this already a while ago, but no that won't help. In
> the Java Odyssey discussion I pointed to the Insets method, which
> performs an XQueryTree(3X11) to check the window hierarchy.
> We need a real parent window which is not the root window.
> One ugly trick which comes to my mind is, using a parent window
> for all, which is not the root window. This could be a solution,
> but I'm not sure about its impacts yet. Will investigate further
> during 23c3 into this issue.

Nah nah nah, when remembering how the insets were calculated,
that's not a solution... This stupid Java crap would determine a
window decoration of the rest screen space which is not covered
by a client window in such a situation.


 Anselm R. Garbe >< >< GPG key: 0D73F361
Received on Thu Dec 21 2006 - 12:44:28 UTC

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