[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Michał Dybczak]

https://bugs.kde.org/show_bug.cgi?id=393755

--- Comment #6 from Michał Dybczak  ---
Created attachment 123527
  --> https://bugs.kde.org/attachment.cgi?id=123527=edit
touchpad options suddenly became active

Thanks for the info!

Whoa! I was away from the keyboard but didn't do anything and let the screen
dim out automatically. Then I went back, checked the touchpad options again and
they are active (not grayed out) now! Only the last ones, right-click and
middle-click are inactive but they look different as well. more text appeared.
I literally didn't do anything substantial, browsed the web, filled some office
documents, this kind of stuff. The system wasn't rebooted, suspended or alike.

This is strange... but it looks like it's all right now. Go figure...

Thanks for your help. If you are curious about the change, compare the previous
screenshot with the one I'm providing right now.

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[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=393755

--- Comment #5 from Nate Graham  ---
Those options in the KCM are grayed out because Libinput is telling us that
your touchpad doesn't support them. If your touchpad actually does, this could
be a bug in Libinput, or it could be a bug in the touchpad's kernel driver. I
would recommend filing a bug on Libinput
(https://gitlab.freedesktop.org/libinput/libinput/issues) as the friendly
maintainer will be able to direct you elsewhere if it's a deeper issue.

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[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Michał Dybczak]

https://bugs.kde.org/show_bug.cgi?id=393755

--- Comment #4 from Michał Dybczak  ---
Created attachment 123523
  --> https://bugs.kde.org/attachment.cgi?id=123523=edit
touchpad grayed out options in Plasma 5.17

This was so long ago and so much has changed that I already forgot about it.

Current touchpad settings look completely different and still have grayed out
corresponding options:

- tap to click
- tap to drag
- tap to drag lock
- double finger tap: right click/middle click
- right-click:
- middle-click

So either my touchpad is not supporting it (which is unlikely, this is high-end
hardware, alienware laptop) or my config is not updated and doesn't contain
needed lines to make those options work.

I'm sending my touchpad settings screenshot. Nate, could you look at it and
confirm that this is a different matter or maybe part of the original issue?
I'm not sure what to think of myself and if I should submit a new bug or maybe
there is some fix on my side.

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[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Nate Graham]

https://bugs.kde.org/show_bug.cgi?id=393755

Nate Graham  changed:

   What|Removed |Added

 Status|REPORTED|RESOLVED
 Resolution|--- |DUPLICATE
 CC||n...@kde.org

--- Comment #3 from Nate Graham  ---
This is implemented in the Libinput touchpad KCM, which is available on X11 as
of Plasma 5.17!

*** This bug has been marked as a duplicate of bug 387153 ***

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[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Tim Richardson]

https://bugs.kde.org/show_bug.cgi?id=393755

Tim Richardson  changed:

   What|Removed |Added

 CC||t...@growthpath.com.au

--- Comment #2 from Tim Richardson  ---
I see this too, kde neon latest. 
3 finger touch does a paste. Which for makes knotes on my desktop. 
I wanted to use 3 finger swipe to change desktops, but most of the time I get
the swipe and a paste with a new knote.

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[systemsettings] [Bug 393755] No corresponding option in conf for GUI's pad "Mouse click emulation"

[Michał Dybczak]

https://bugs.kde.org/show_bug.cgi?id=393755

--- Comment #1 from Michał Dybczak  ---
To add some info, libinput documentation is here:

https://www.systutorials.com/docs/linux/man/4-libinput/

Middle click emulation that I want to turn off is described:

Option "MiddleEmulation" "bool"
Enables middle button emulation. When enabled, pressing the left and right
buttons simultaneously produces a middle mouse button click.

What is suspicious, you can't press left and right when using pad so this
option may be only for mouse and that would explain why 

Option "MiddleEmulation" "False"

is not working in /etc/X11/xorg.conf.d/30-touchpad.conf

This would also imply, that at the moment there is no correct libinput option
for that GUI options.

Can someone more knowledgeable look into it?

Another course of action could be: filing a bug to libinput to add such option
so it could be finally linked with Plasma's pad settings GUI and its config.
What do you think? We can't have such nice options be indefinitely grayed
out...

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