Mouse settings problem - I can't change mouse sensitivity or acceleration.

[motocyklista]

Dear LXDE Developers,

I am user of Lubuntu 18.04.5 and I have problem with mouse sensitivity. I can do changes in GUI but after do it I can't see any difference. My mouse is still too fast. In default settings my mouse are too fast and I want to make it slower but this is not working in LXDE environment. On GNOME environment on Ubuntu 18.04 or 20.04 I don't have this problem. This is problem on each mouse. I tried a lot of model of mouses but this not help. Bug still exist. Can you fix it? I know that this bug is for lxinput program but I can't see option to create topic on "Issues" section because it not exists. I am new on github so I don't know if it is possible to create this section so it is why I created topic on "libfm".

I have also question to LXDE. This still use GTK2? I found on some websites that GTK2 is dead now because GTK4 is available and GTK2 was dropped. Is this true? If yes this means that LXDE is not safe anymore? Maybe some people from LXDE can answer me? Second question to the project is who is the leader of the project (I did research and I think that this is @LStranger) and how much coders work on LXDE project? I contacted with some members mentioned here and they told me that they are not working in LXDE project so maybe you should update that list? This is link: https://github.com/orgs/lxde/people

I will be apreciate for answer and help. I hope that @LStranger will answer me.

P.S. I can see that Fedora 34 Spin have LXDE. This run with Wayland or X.ORG? If wayland is run this is experimental way? How it is work? I can see that Lubuntu 20.04 don't use LXDE so I must migrate to Debian or Fedora? LXDE packages for Ubuntu 20.04 are maintained by someone from LXDE project? It will be updated? Of course LXDE packages from Lubuntu 18.04 will be not updated? I can see that now they are not supported.

[motocyklista]

@LStranger I hope that you will answer. I also suggest you to make "Discussion" section here on lxde github profile. This is better than create topic in "Issues" section. A lot of people mentioned in lxde profile is not active because they are now working with lxqt project. Maybe you should also improve this?

[LStranger]

Thank you for the attention to LXDE issues.
Changing the mouse sensitivity used to work with LXInput tool.
If it does not work anymore, a bug report should be open.
Bugs tracker is still on sourceforge site since github has no tracker but kind of discussion list for issues where bugs can be easily lost due to missing features which each real bug tracker has: priorities and filters.
Please, create an issue there, using a tag 'lxinput'.
In regards of your question about GTK2 - LXDE currently supports GTK2 and GTK3. The GTK4 has some work in progress but no real plans for it yet as it is appears to be still in alpha state.

As for Ubuntu - it has LXDE support still. The fact that Lubuntu has LXQt as default DE (it used to have LXDE as default up to 18.04) does not mean it does not have it, LXDE can be installed the same way as any other non-default DE.
Generally speaking, for updates in already released versions of Ubuntu, you should ask Ubuntu people for that. It is upstream discussion here, not downstream.

[motocyklista]

@LStranger thank you for your answer. I don't know why LXDE still support GTK2 if is it now outdated. On GTK website I can see that support for this release is ended and will be not released any improvements or security updates. Can you tell me why GTK2 is still supporting by LXDE Team?

I will create new issue case on github but now it is not possible. LXinput doesn't work anymore. This bug should be in each user. I don't have account on sourceforge so I can't report this there. I can't create issue on github on this section --> https://github.com/lxde/lxinput

Can you create Issues section on lxiput on github?

Of course this is upstream but on Ubuntu website I can see that probably maintainer of the package is from LXDE team so it is why I asked you --> http://changelogs.ubuntu.com/changelogs/pool/universe/l/lxde-metapackages/lxde-metapackages_10/changelog

You said that LXDE have GTK2 and GTK3 support. Is it option to enable only GTK3 support and remove GTK2 from the system?

P.S. LXinput doesn't work but I found solution to change mouse sensitivity but I musted use terminal to do this.

This article was helpful --> https://www.dell.com/support/kbdoc/pl-pl/000150104/precision-xps-ubuntu-general-touchpad-mouse-issue-fix?lang=en

Instruction:

1. Open a Terminal

2. Run this command to edit the file where you can change mouse sensitivity and press enter:
   sudo gedit /usr/share/X11/xorg.conf.d/*libinput.conf

3.Edit this section. Like you can see I added option "AccelSpeed" and value "-0.2". We can change value from -1 to 1. -1 is lower sensitivity and 1 is the highest possible sensitivity. It is work perfectly on LXDE environment. I found this due to LXQt project because they had similar issue and they fixed this. You should implement on lxinput (GUI) option and remove current solution to this one. We can change mouse sensitivity only with configuration on libinput.

Section "InputClass"
Identifier "libinput pointer catchall"
MatchIsPointer "on"
MatchDevicePath "/dev/input/event*"
Option "AccelSpeed" "-0.2"
Driver "libinput"
EndSection

I hope that this is help and now you can fix it.