Re: Applications and layers

[Billy Biggs <vektor dumbterm net>]

  Since my first post I've educated myself on the two specs.  So
let me ask specifically about _NET_WM_STATE_ABOVE and BELOW, is
this something my application should support on startup or as a
specific 'mode', or is it something that a window manager should
be setting?

  How should I describe these modes to the user?  "above" and
"below" don't make intuitive sense to me.

  Thanks,
  -Billy

Lubos Lunak (l lunak suse cz):

> On Monday 09 of June 2003 13:27, Billy Biggs wrote:
> >   I've had a user request for more explicit layer modes in my
> > application, and I'd like some comments from this list:
> >
> >  
> > http://sourceforge.net/tracker/index.php?func=detail&aid=744951&group_id=64
> >301&atid=506987
> >
> >   I'm curious about the intended application behavior for setting
> > _WIN_LAYER and also _NET_WM_STATE_ABOVE/STATE_BELOW.
> >
> >   My thought is that I should not allow these as options to the user,
> > but rather use them as tools for implementing specific features.  This
> > user seems to want to have enough command line and run time options to
> > roll their own application modes.  Is this the role of the application,
> > or the window manager?  Is it intended that every application have some
> > -layer option to indicate which layer they should start on?
> >
> >   Also, is _NET_WM_STATE_ABOVE the same as the "ONTOP" layer?  In KWin,
> > I set always-on-top from a menu in the title bar, and that seems more
> > appropriate to me.  I could see this also for below.  If that's true,
> > then I could remember the layer across sessions and I think that would
> > be safe, and that might be a good practical use of the _WIN_LAYER hint.
> >
> >   Finally, I've been doing some running-on-the-root-window code, and I'm
> > wondering how this relates to WIN_LAYER_DESKTOP.  Should I be setting my
> > window to that layer if I'm 'running on the root'?  Also, KDE has its
> > own window for the desktop, will using WIN_LAYER_DESKTOP make sure I'm
> > above that, or could my window get stuck behind that?  Maybe this is
> > worthy of another thread.
> 
>  Only the _NET_* things are from this spec. WIN_LAYER_DESKTOP etc. are(?) from 
> GNOME. So you're mixing two specs together.
> 
> -- 
> Lubos Lunak
> KDE developer
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