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Tasklist

FS#36427 - [lxdm] lxdm should set GDK_CORE_DEVICE_EVENTS

Attached to Project: Community Packages
Opened by Reed Lipman (rlipman) - Tuesday, 06 August 2013, 02:02 GMT
Last edited by Balló György (City-busz) - Sunday, 08 September 2013, 20:49 GMT
Task Type Bug Report
Category Packages
Status Closed
Assigned To Balló György (City-busz)
Daniel Wallace (gtmanfred)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Scrolling with the mouse wheel in gtk3 apps does not work when I use lxdm. When I set GDK_CORE_DEVICE_EVENTS=1, scrolling works.

https://bbs.archlinux.org/viewtopic.php?pid=1305652#p1305652

Other display managers such as lightdm have set this variable in the environment as a workaround.

https://bugs.launchpad.net/lightdm/+bug/1024482
https://bugs.archlinux.org/task/34289

A similar approach should work for ldxm.

Additional info:
* package version(s)
* config and/or log files etc.


Steps to reproduce:
1. Login with lxdm.
2. Open a gtk3 app such as gedit.
3. Try to scroll with the mouse wheel.
4. Scrolling doesn't do anything.
5. Run it with GDK_CORE_DEVICE_EVENTS set, such as `GDK_CORE_DEVICE_EVENTS=1 gedit &`
6. Scrolling now works properly.

To verify the fix:
1. Login with lxdm
2. Run gedit without setting any special variables
3. Scrolling should work
This task depends upon

Closed by  Balló György (City-busz)
Sunday, 08 September 2013, 20:49 GMT
Reason for closing:  Fixed
Additional comments about closing:  lxdm 0.4.1-24
Comment by Reed Lipman (rlipman) - Saturday, 17 August 2013, 02:01 GMT
  • Field changed: Percent Complete (100% → 0%)
Still not exactly right. The /var/lib/lxdm/.pam_environment produced by the PKGBUILD had the following contents, which was making it not work right:

GDK_CORE_DEVICE_EVENTS\t\t\tDEFAULT=1

Replacing the \t's with actual whitespace made it work properly.
Comment by Balló György (City-busz) - Friday, 06 September 2013, 05:47 GMT
Please test the version 0.4.1-24, it's in the [community-testing] repository.

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