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Old 12-29-2017, 11:54 AM   #1
Registered: Jul 2006
Distribution: slackware
Posts: 82

Rep: Reputation: 2
loosing middle mouse button in TigerVnc

i experience a strange problem with the middle mouse button in tigervnc 1.7.0, on Slackware Linux 14.2.

once in a while VNC simply looses functionality for this middle mouse button, out of the blue - i can't explain why. this can happen in VNC server sessions that run on a physical machine or on a virtual OS (VPS). i don't see any connection with the VNC clients and host platforms in use.

but then it can also happen - like these days - that i restart on a physical machine numerous times a VNC session without ever gaining back this middle mouse button - while it runs perfectly on fresh VNC restarts on a VPS. it's completely erratic. needless to say that on every platform (i have several) i use the very same home directory with identical startup files - xinitrc, xstartup, and so on - here my xstartup file :

sh $HOME/.xinitrc

i need to add on that once this middle mouse button gets lost i have to restart the VNC session which seems - sometimes at least - to cure this problem...

any input is greatly appreciated, thanks ! bye, pisti
Old 01-06-2018, 09:34 AM   #2
Registered: Jul 2006
Distribution: slackware
Posts: 82

Original Poster
Rep: Reputation: 2
problem solved : Pierre, the maintainer of TigerVNC, suggested to run this here:
xmodmap -e 'pointer = 1 2 3 4 5 6 7 8'
my ~/.xinitrc file features something similar but when the server, client and the local screen are out of sync in terms of my three Kensington trackball key settings that's when the middle mouse button gets lost :
xmodmap -e 'pointer = 1 8 3 4 5 0 0 2'
so, in sum, i just rerun the '1234...' command in the VNC screen --- and all set we are


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