Re: FVWM: FvwmIconBox scrollbars broken since 2.4.8

From: Dominik Vogt <fvwm_at_fvwm.org>
Date: Wed, 13 Nov 2002 14:54:55 +0100

On Wed, Nov 13, 2002 at 01:48:16PM +0100, Harald van Pee wrote:
> On Wednesday 13 November 2002 12:43, Dominik Vogt wrote:
> > On Tue, Nov 12, 2002 at 05:25:33PM +0100, Harald van Pee wrote:
> > > Hi,
> > >
> > > I use FvwmIconBox. With 2.2.x everything is o.k.,
> > > with 2.4.3 also,
> > >
> > > but at least since 2.4.8 and still with 2.4.13
> > > the scrollbars are not redrawn if an other windows covers it.
> > >
> > > I have made no changes at the configuration, only installed a new fvwm2
> > > version! I use XFree86 Version 4.1.
> > >
> > > Whats wrong?
> >
> > Can you provide a minimal config that shows the problem for you?
>
> Thats a good idea, and I have found the problem,
>
> its the line:
>
> Style "*" BackingStore

Does this line cause the problem or fix it?

> In general I don't need this Option because I use it in the X-Configuration
> (its necessary for some programs which I use [paw and root]). But for some
> graphics drivers its not enough and I need the option also in the .fvwm2rc
> file.
> I'm sure that it makes no differences for fvwm 2.2.4 w.r.t. FvwmIconBox, but I
> can't say if the problem is not seen in 2.4.3 because I'm start using this
> option a short while ago.
>
> Any idea whats going on? Or a general solution?

I am aware that there are some problems with backing store, but we
were never able to pin them down (and I still can't reproduce your
problem). We had numerous reports of window parts not getting
drawn, in various applications, but I could not pin down a single
one. It seems that under certain circumstances *some* X servers
do not always generate an Expose event when necessary. Thus,
applications do not redraw themselves when they should. I am
still missing a way to see that myself and to find out what fvwm
might be doing to expose this bug (I think it's an X bug).

Bye

Dominik ^_^ ^_^
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Received on Wed Nov 13 2002 - 07:55:20 GMT

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