Re: FVWM: A problem with EdgeResistance, EdgeScroll (fvwn 2.1.45)

From: Mark Crocker <mcrocker_at_micron.com>
Date: Fri, 18 Dec 1998 11:46:18 -0700 (MST)

On Fri, 18 Dec 1998 08:32:31 -0500, Dan Espen <dane_at_mk.bellcore.com> wrote:

> Dominik Vogt <dominik.vogt_at_planet-interkom.de> writes:
>> On Thu, Dec 17, 1998 at 09:42:35AM -0700, Mark Crocker wrote: I
>> have a similar problem (see bug report message id 65) with edge
>> scroll. On my system, the edge scroll does work, but only going up
>> or to the left. Since my setup automatically starts in the upper
>> left "page", it appears that edge scroll doesn't work at all, but
>> when in a page that has another page above or to the left of it, I
>> can edgescroll in that direction. Moving windows across page
>> boundaries also works in only two of the four directions. Please
>> try all directions to see if you are able to use some, but not all
>> directions like I can.
>>
>> Well, Dan and I tried to reproduce it but cannot. Nothing will be
>> done on this subject anymore unless you post at least your
>> EdgeSrcoll and EdgeResistance lines.

> Given that I can't reproduce this, I can only come up with theories,
> not fixes.

> In 2.1.x we changed the pan frame thickness from 2 to 1.

> Edgescrolling works because fvwm2 creates these invisible windows
> around the edges of the screen. When the mouse moves into one of
> these invisible windows and stays there for the "EdgeResistance"
> time period, a scroll takes place.

> Perhaps some X Servers aren't happy with 1 pixel wide windows.

> Mark, could you try changing PAN_FRAME_THICKNESS from 1 back to 2 in
> fvwm.h, re-compile and retest?

Wow you nailed it! Thank-you very much. It would've taken me aeons
to find that one.

It looks like my cursor arrow doesn't get all the way to the edge
before it's motion is limited. Perhaps this is an X Server bug.

One amazing thing was that I didn't have to exit X to test it out.
Much to my surprise restart fvwm was able to load the newly updated
executable.

> As I remember, the change from 2 to 1 was for FvwmTaskbar?

-----------------------------------------------------------------------------
           Mark Crocker (Micron Technology Inc., Product Engineer)
  Business: | mcrocker_at_micron.com | (208) 368-3525
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Received on Fri Dec 18 1998 - 12:46:48 GMT

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