Re: FVWM: iconification bug?

From: Dominik Vogt <dominik.vogt_at_gmx.de>
Date: Wed, 12 May 1999 12:41:12 +0200

On Tue, May 11, 1999 at 10:47:30PM -0400, jason_at_sdf.lonestar.org wrote:
>
> Hi,
>
> I'm seeing some interesting iconification behavior in fvwm 2.2. I hope
> I can explain it clearly. (My apologies if this has already been
> reported.)
>
> Suppose I have a window on a given page. Now, I drag it toward the edge
> of the screen, so that more than 50% of its height or more than 50% of its
> width (or both) is unviewable. Now, I perform an Iconify on said window.
> Depending on where it's hanging off of the current page, the window
> iconifies onto another (adjacent) page, and in some cases iconifies into
> thin air!
>
> There are far too many cases to list, but I'll quickly go over my
> findings. I have a 7x7 desktop. I call the 6x6 middle pages of my
> desktop the 'internal' pages on my desktop. For any 'internal' page, I've
> found that if the window is hanging more than 50% of the way off of the
> _____ edge(s), then the window will iconify on the page _____ the current
> page:
>
> left : to the left of
> right : to the right of
> top : above
> bottom : below
> left and top : to the left of and above
> right and top : to the right of and above
> left and bottom : to the left of and below
> right and bottom : to the right of and below
>
> This is at least consistent. :-)
>
> For non-internal pages on my desktop, it's pretty much up for grabs where
> the icon goes upon iconification. In my investigation, I've found that
> symmetric cases do not necessarily lead to symmetric results -- for
> example, iconifying a window hanging off the left edge of any leftmost
> page will cause the icon to appear on the current page (good!), but
> iconifying a window hanging off the right edge of any rightmost page will
> result in the icon disappearing into thin air, only to be retrieved via
> the Window List (bad!). It's too much typing for me to list other cases,
> so I will only do that if I'm begged to. :-)

The only 'real' problem I see is the case where the window simply vanishes.
All other cases were intended by the person that wrote the code in the first
place. Anyway, this has been changed in the development sources. Now, whenever
at least a single pixel of the window is visible it will iconify on the
current page. That may not help with the vanishing window. I will check and
fix this problem.

> My guess is that this is sufficient information to track down the
> problem, and that it will hopefully have an easy fix that will take care
> of the more complicated examples that I am omitting. Or even better, it
> would be nice if this problem was spotted and fixed already. In that
> case, I apologize for the redundancy. :-) Please feel free to contact me
> if you need anything clarified.

Thanks for the excellent problem report. This is the quality that saves
us much time (which we can spend on new features).

Bye

Dominik ^_^

-- 
Dominik Vogt, Hewlett-Packard GmbH, Dept. BVS
Herrenberger Str.130, 71034 Boeblingen, Germany
phone: 07031/14-4596, fax: 07031/14-3883, dominik_vogt_at_hp.com
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Received on Wed May 12 1999 - 05:41:57 BST

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