[Wayland-bugs] [Bug 98236] Middle mouse button hard to hit on dell touchpad

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98236

--- Comment #3 from Paul Johnson <pauljohn at ku.edu> ---
I was just about to start a new bug when I notice this one. I think I have same
problem. This is same Dell 5510 that you solved on this other bug. 
https://bugs.freedesktop.org/show_bug.cgi?id=97347.

There are 2 problems here. 1) no tactile middle button and 2) middle is now too
small and too far to the left.

Here's my experience. Touchpad is no very wide, too big. Dell draws that line
in the middle.  Like OP, I have trouble finding middle without a physical
button.  I put a small braille sticker on edge of hand rest so thumb can find
it. So I know where the middle is and can find it, even in the dark :)

But it is still difficult to find the middle button. 

Visualize bottom area, marker in middle

|-------------------------|-----------------------|

Libinput has the left, middle, and right button areas sectioned so that the
middle only takes space away from the left, but not right. It feels like this

|-------left-------|middle|---------right---------|

Right is too big, left is too far left, and middle too small. Left is hard to
reach. In order to hit the middle, it is necessary to be on left of center
line. But exactly so.  Middle is very small, can only hit if thumb lands just
left of the middle line.

I do not believe it was this way in libinput when we worked on it in relation
to bug 97347.  I recall that clicking on the braille dot at the middle would
cause a middle click.  Now definitely thumb must wander to left.

If I were allowed to choose, I would much rather have the division like this:

|-----------------left--|----middle-----|---right-|

I almost never need the right button and when I do need it, I don't need to
look to find because boundary of touchpad.

In libinput's current setting, the left button is very far from my right thumb.
The right thumb rests under the "n" key and I cannot reach the left button
without lifting my hand from the keyboard entirely.

Oh, hell. While looking for instructions about how to use tp_init_softbuttons,
I found out you made the middle too small on purpose:
https://lists.freedesktop.org/archives/wayland-devel/2016-July/030032.html

I wish you would let us decide for ourseleves.

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