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Re: address@hidden: Re: privateColormap X resource]

From: Stefan Monnier
Subject: Re: address@hidden: Re: privateColormap X resource]
Date: Tue, 29 Oct 2002 09:26:29 -0500

> Can someone please try testing whether the privateColormap X resource
> works in Emacs?  Here is a suggestion for how to test that;
> I would not know how to fill in the details and really do it,
> but maybe some of you know.

This suggestion won't work because Emacs (rightly so from my point of
view) does not automatically switch to a private colormap when it
runs out of colors.  Instead it uses the closest color available,
such that the result is not quite right but is not psychedelic either.

But a long time ago Gerd said (while tracking down a
color-reference-count-overflow bug in XFree triggered by Emacs):

> In the course of cleaning up the color code a bit, I'm now setting the
> XtNcolormap resource of the shell widget.  I think the menu bar should
> inherit that colormap.  An easy way to check this if it does is to run
> Emacs with a private colormap.  Just add the resource
>   Emacs.privateColormap: true 

There's also Emacs.visualClass.


> ------- Start of forwarded message -------
> Envelope-to: address@hidden
> Delivery-date: Sun, 27 Oct 2002 07:42:31 -0500
> To: address@hidden
> Subject: Re: privateColormap X resource
> From: Dave Love <address@hidden>
> Date: 27 Oct 2002 12:42:21 +0000
> In-Reply-To: <address@hidden>
> X-Spam-Status: No, hits=-9.3 required=5.0
>             USER_AGENT
>       version=2.41
> X-Spam-Level: 
> You wrote: 
> >     I would run it in an 8-bit session, eat up the colourmap with Netrape
> >     or something, and then see if Emacs gets it own (with resulting
> >     psychedelics when you switch window focus).  There may be a better
> >     way.
> > 
> > Can you write a precise recipe for doing this?
> I don't think I can do much better.  I think it would be clear to
> people using 8-bit displays.
> ------- End of forwarded message -------
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