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List:       kde-bugs-dist
Subject:    Bug#9394: KDE2 session manager does not restart legacy apps (e.g emacs)
From:       Matthias Ettrich <ettrich () trolltech ! com>
Date:       2001-03-07 11:52:19
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On Wednesday 07 March 2001 02:07, you wrote:
> Matthias Ettrich wrote:
> > I don't indent to support the WM_SAVE_YOURSELF protocol again. It's
> > really obsolete and its implications are not that easy. I'd rather add a
> > hack to restart emacs as emacs.
>
> I had to do it to understand your reservations.

:)

>
> The attached patch saves the correct information
> into the kwin config file.   KWin is then able to
> restart these programs on startup.  Of course it not
> able to recognize the window when it appears on the desktop,
> and not readily able to apply the proper geometry,
> iconification, etc.
>
> But everything works decently when using
> the ``Store Settings'' option in the window
> operations menu!
>
> I believe that this ``Store Settings'' capability
> makes the patch useful. Let me attempt to overcome your
> reservations with four arguments:
>
> - Compact: only one file (workspace.cpp) is affected in two places.
> - Fast: it processes all eligible windows simultaneously.
> - Safe: there is a strict timeout: it cannot hang.
> - Isolated: everything is done by opening an auxilliary connection
>         to the X server. It does not mess with QT's settings.
>

But isn't the whole point of this to make session management work with emacs 
and friends?

We need to figure out a way to identify those windows when they startup 
again. Most certainly WM_COMMAND won't work here. But what about the class 
hint?

Matthias

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