[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #16 from Pander  ---
You can vote here to get it into Ubuntu Yakete
https://bugs.launchpad.net/ubuntu/+source/libinput/+bug/1587396

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

Peter Hutterer  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|ASSIGNED|RESOLVED

--- Comment #15 from Peter Hutterer  ---
commit 886b5a2cd8c785e48ddf5ceb4a902cd1f518d2a9
Author: Peter Hutterer 
Date:   Mon Apr 4 10:06:36 2016 +1000

touchpad: add a middle button software area

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474
Bug 94474 depends on bug 94755, which changed state.

Bug 94755 Summary: Middle button emulation on software buttons is unreliable
https://bugs.freedesktop.org/show_bug.cgi?id=94755

   What|Removed |Added

 Status|ASSIGNED|RESOLVED
 Resolution|--- |FIXED

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #14 from Peter Hutterer  ---
(In reply to Pander from comment #13)
> Does this mean the middle button can be added as in my example script so
> that it exists in between the left and right button?

sort-of, the middle button will be hard-coded and you don't need to enable it.
but it'll be in the middle, centered on the physical center of the touchpad (by
default, unless some touchpads have other markings on it which we'll handle on
a case-by-case basis). but yes, it'll be pretty much exactly like you request
in comment #0, with the exception that it'll be the new default without
configuration.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #13 from Pander  ---
Thanks.

Does this mean the middle button can be added as in my example script so that
it exists in between the left and right button?

The advantage is that you can use it with your thumb and using your index
finger you can make a selection or manipulate an object in another way by
sliding on the touchpad.

If it is going to be only an emulated on, where you have to touch both the left
and right button at the same time, this will be impractical for two reasons.
First the touch on the same time is not always synced by the users fingers,
posing a risk for unwanted other actions. Secondly, when two fingers need to be
used for touching two buttons on the same time, using the touchpad with a third
finger is not easy at all.

So in general to offer the user the choice, I would recommend these functions
regarding third mouse button pressed down for making selections:
- none at all
- software emulated by pressing left and right simultaneously
- software defined in between left and right button (my preference)

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

Peter Hutterer  changed:

   What|Removed |Added

 Depends on||94755

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

Peter Hutterer  changed:

   What|Removed |Added

 Status|NEEDINFO|ASSIGNED

--- Comment #11 from Peter Hutterer  ---
Thanks for the video, summary: this is a normal clickpad and the click
behaviour is as expected (and the same as on my laptops here).
https://wayland.freedesktop.org/libinput/doc/latest/clickpad_softbuttons.html

The important thing: rather than actually clicking with both fingers (which
isn't possible because there is only one physical button) you put both fingers
on the buttons, then trigger a click with either. As long as the two fingers
are in the left and right area, respectively, this should trigger a middle
click. I did notice that this is not as reliable as it should be, so this is
something we need to fix.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #9 from Peter Hutterer  ---
for the archives: Pander's actual device is one of the Asus Zenbook Prime
UX31A/UX21A/UX32V, see the gnome bug.

I looked at a few pictures, afacit the line is just a line drawn onto the
touchpad. there is nothing inherent about the line from a physical point and
the touchpad doesn't care where in relation to the line you touch.

testing this on my touchpad here with software buttons enabled: middle-button
emulation works on software buttons and it works for middle button dragging.
click with a finger in both the left and right area simultaneously, then use
either finger to move while keeping the other finger to hold the button down.
The middle button is not released until the click releases.

the same is true for clickfinger, click with three fingers to trigger a middle
button click, release two fingers and use the remaining finger to drag. The
middle button is not released until the click releases.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #10 from Pander  ---
"click with a finger in both the left and right area simultaneously, then use
either finger to move while keeping the other finger to hold the button down."
will not work. I will send you an email with a link to a movie where I
demonstrate this.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #8 from Pander  ---
OK, thanks. I it however possible to click down where the vertical line is on
the touchpad. Note this request is regarding a click-and-hold-and-move with one
finger in the button part and the other finger on the general pad part for
drawing a selection for e.g. opening multiple tabs in a browser at once.

Do you have enough information to go forward on this? If you want I can make a
small video, with the example script, on what is exactly intended and cannot be
done in another way.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #7 from Peter Hutterer  ---
the touchpad only has one physical button, but two triggers. so while you think
it's a rocker switch (and it may be, physically), all the touchpad does is send
a button left event. libinput then looks at your finger position and converts
that into a left or right button event, but libinput doesn't actually know
which side of the rocker was triggered.

so if you have both fingers on the touchpad in the button area and one finger
in each button area, you should get a middle button event when the software
buttons are enabled, regardless of whether you press on the left side or the
right side of the touchpad.

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #6 from Pander  ---
That is the thing, pressing them both at the same time is physically
impossible. IF you want, I can send you a video of how it works. Would that
help?

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #5 from Peter Hutterer  ---
ok, this isn't actually a rocker switch, this is a normal clickpad, maybe with
two toggles left and right, but still just one button, everything else is
software emulated.

so this means: we should have middle button emulation available here by
pressing both buttons at the same time when in software button mode, and by
pressing with three fingers when in clickfinger mode. Is this not working?

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #4 from Pander  ---
Select the device event number [0-10]: 5
# EVEMU 1.2
# Input device name: "ETPS/2 Elantech Touchpad"
# Input device ID: bus 0x11 vendor 0x02 product 0x0e version 
# Supported events:
#   Event type 0 (EV_SYN)
# Event code 0 (SYN_REPORT)
# Event code 1 (SYN_CONFIG)
# Event code 2 (SYN_MT_REPORT)
# Event code 3 (SYN_DROPPED)
# Event code 4 ((null))
# Event code 5 ((null))
# Event code 6 ((null))
# Event code 7 ((null))
# Event code 8 ((null))
# Event code 9 ((null))
# Event code 10 ((null))
# Event code 11 ((null))
# Event code 12 ((null))
# Event code 13 ((null))
# Event code 14 ((null))
#   Event type 1 (EV_KEY)
# Event code 272 (BTN_LEFT)
# Event code 325 (BTN_TOOL_FINGER)
# Event code 330 (BTN_TOUCH)
# Event code 333 (BTN_TOOL_DOUBLETAP)
# Event code 334 (BTN_TOOL_TRIPLETAP)
# Event code 335 (BTN_TOOL_QUADTAP)
#   Event type 3 (EV_ABS)
# Event code 0 (ABS_X)
#   Value921
#   Min0
#   Max 3260
#   Fuzz   0
#   Flat   0
#   Resolution 32
# Event code 1 (ABS_Y)
#   Value541
#   Min0
#   Max 2119
#   Fuzz   0
#   Flat   0
#   Resolution 32
# Event code 24 (ABS_PRESSURE)
#   Value  0
#   Min0
#   Max  255
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Event code 28 (ABS_TOOL_WIDTH)
#   Value  2
#   Min0
#   Max   15
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Event code 47 (ABS_MT_SLOT)
#   Value  0
#   Min0
#   Max4
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Event code 48 (ABS_MT_TOUCH_MAJOR)
#   Value  0
#   Min0
#   Max 2445
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Event code 53 (ABS_MT_POSITION_X)
#   Value  0
#   Min0
#   Max 3260
#   Fuzz   0
#   Flat   0
#   Resolution 32
# Event code 54 (ABS_MT_POSITION_Y)
#   Value  0
#   Min0
#   Max 2119
#   Fuzz   0
#   Flat   0
#   Resolution 32
# Event code 57 (ABS_MT_TRACKING_ID)
#   Value  0
#   Min0
#   Max65535
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Event code 58 (ABS_MT_PRESSURE)
#   Value  0
#   Min0
#   Max  255
#   Fuzz   0
#   Flat   0
#   Resolution 0
# Properties:
#   Property  type 0 (INPUT_PROP_POINTER)
#   Property  type 2 (INPUT_PROP_BUTTONPAD)
N: ETPS/2 Elantech Touchpad
I: 0011 0002 000e 
P: 05 00 00 00 00 00 00 00
B: 00 0b 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 01 00 00 00 00 00
B: 01 20 e4 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 01 00 00 00 00 00 00 00 00
B: 02 00 00 00 00 00 00 00 00
B: 03 03 00 00 11 00 80 61 06
B: 04 00 00 00 00 00 00 00 00
B: 05 00 00 00 00 00 00 00 00
B: 11 00 00 00 00 00 00 00 00
B: 12 00 00 00 00 00 00 00 00
B: 14 00 00 00 00 00 00 00 00
B: 15 00 00 00 00 00 00 00 00
B: 15 00 00 00 00 00 00 00 00
A: 00 0 3260 0 0 32
A: 01 0 2119 0 0 32
A: 18 0 255 0 0 0
A: 1c 0 15 0 0 0
A: 2f 0 4 0 0 0
A: 30 0 2445 0 0 0
A: 35 0 3260 0 0 32
A: 36 0 2119 0 0 32
A: 39 0 65535 0 0 0
A: 3a 0 255 0 0 0

#  Waiting for events  #


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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #3 from Pander  ---
Yes, it is just a black line in the middle. You can press it anywhere on the
complete touchpad, but the lower 1/6th over the full width of the touchpad is
that rocker switch. You can also press it down everywhere but not on both sides
on the same time.

$ sudo evemu-record
Available devices:
/dev/input/event0:Lid Switch
/dev/input/event1:Power Button
/dev/input/event2:Sleep Button
/dev/input/event3:AT Translated Set 2 keyboard
/dev/input/event4:Video Bus
/dev/input/event5:ETPS/2 Elantech Touchpad
/dev/input/event6:Asus WMI hotkeys
/dev/input/event7:HDA Intel PCH Mic
/dev/input/event8:HDA Intel PCH Headphone
/dev/input/event9:HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event10:USB2.0 HD UVC WebCam

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

Peter Hutterer  changed:

   What|Removed |Added

 Status|NEW |NEEDINFO
 CC||peter.hutte...@who-t.net

--- Comment #2 from Peter Hutterer  ---
what do you mean you can press it in the middle? the photos I can see are of
rather bad quality and it's hard to judge. is this a separate set of buttons or
is this just a black line on the touchpad surface? what does evemu-record say
when you press the middle of the button?

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

--- Comment #1 from Pander  ---
Thanks for creating this bug. Note that this particular rocker-style bottom
button can be pressed in the middle, hence the approach taken in
https://bugzilla.gnome.org/show_bug.cgi?id=707857

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[Wayland-bugs] [Bug 94474] Middle button support on Asus Zenbooks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=94474

Bug ID: 94474
   Summary: Middle button support on Asus Zenbooks
   Product: Wayland
   Version: unspecified
  Hardware: Other
OS: All
Status: NEW
  Severity: normal
  Priority: medium
 Component: libinput
  Assignee: wayland-bugs@lists.freedesktop.org
  Reporter: peter.hutte...@who-t.net
CC: pan...@users.sourceforge.net

Some of the Zenbooks have a rocker-style bottom button and it's impossible to
press both buttons at the same time for middle button emulation. We need some
other approach here, filing this bug on behalf of the reporter here:
https://bugzilla.gnome.org/show_bug.cgi?id=707857

Let's discuss first what should/could do to provide middle button emulation and
what Windows does. I'll need an evemu-describe of that device too.

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