Bug 395465 - Monoprice 22HD pen pressure evdev
Summary: Monoprice 22HD pen pressure evdev
Status: RESOLVED LATER
Alias: None
Product: krita
Classification: Applications
Component: Tablets (tablet issues are only very rarely bugs in Krita!) (show other bugs)
Version: 4.0.4
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: Krita Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2018-06-15 23:24 UTC by Edisto
Modified: 2018-06-18 20:50 UTC (History)
1 user (show)

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Description Edisto 2018-06-15 23:24:25 UTC
Having issues between pen pressure in Blender/gimp and Krita at the same time. In order to get my Blender/gimp to work I had to add a section within xorg.conf in the etc/x11 directory:

Section "InputClass"
       Identifier "evdev tablet catchall"
       MatchIsTablet "on"
       MatchDevicePath "/dev/input/event*"
       Driver "evdev"
EndSection

Without the xorg.conf the sensitivity for Krita works fine, however now I have to restart each time removing or adding the xorg.conf for each program. Do the  evdev drivers currently not work in Krita 4.0 or is there some other issue?
Comment 1 Halla Rempt 2018-06-16 07:54:45 UTC
If you don't have to do any special configuration for krita to work, I would say it's not a bug in Krita if it doesn't work when you have to add special configuration. 

In any case, we don't have the hardware to test, and to be honest, we don't have the time to test all kinds of configurations with all kinds of hardware. I don't think we can do anything about this from within Krita.

If you want to investigate, you'll first have to make a tablet log (see the faq) and then try to hack around in the x11 tablet support file.
Comment 2 Edisto 2018-06-18 20:50:20 UTC
I'm relatively new to using Linux as my main OS. It took me sometime to understand the relation to an app, tablet driver, and protocol. Currently only libinput works for Krita, while Blender/gimp only use evdev and wacom. 

I found an old post where you guys were working with evdev and monoprice, bosto, parblo, etc.. The post looks pretty old so I'd only assume maybe something in the kernel changing caused the problem. 

I found an easier way to switch between libinput and evdev without restarting, which is just rename the xorg.conf and reboot the gdm. I guess that will have to do =D. 

I know you guys are busy for the summer but I was just wondering if there was a workaround to get the evdev to work, but apparently not :D. Thanks boud.