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From: Stuart Morrow <morrow.stuart@gmail.com>
Date: Sat, 14 Aug 2021 16:03:40 +0100
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X-Bullshit: agile self-healing hypervisor 
Subject: Re: [9front] PATCH: click-to-focus in fgui
Reply-To: 9front@9front.org
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On 14/08/2021, qwx <qwx@sciops.net> wrote:
> Personally, I welcome any experiments.

I don't want to be the one to kick off one of "these" threads, but...
what if that mouse clipping notion could be generalised to rectangles
OUTSIDE of the window as well as inside, for instance the entire
screen, so that

1. lens(1) has a way to tell rio that it needs to do what it needs to do
2. a program can warp the mouse in riostart instead of in profile
which is where I currently do it.

Number 1 would solve what is basically a design flaw.  (Plus, you have
access to more information in riostart than in profile  - e.g. can
calculate the barycentre of all windows ...I wouldn't use this.)

As long as we're accepting that programs can do this, then why not
further say that the window manager can (by the same mechanism) ask to
see that the mouse goes outside of the entire SCREEN (as in, negative
coordinates if it's above or to the left of the screen)?

Then you could do the thing Windows 7 does where if the current window
is partly off-screen, you can bring it back by pushing against the
edge. Useless, except that it would give you a way to do PaperWM with
just the mouse.

I was never really pro-that patch before because I thought it didn't
actually do anything for you.