(solved) Re: mouse scrolling activates back/forward in browser

Ronald Klop ronald-lists at klop.ws
Thu Apr 15 18:54:05 UTC 2021


On 4/15/21 9:53 AM, Ronald Klop wrote:
> Hi,
> 
> When I use the scrollwheel of the mouse my browser triggers 
> back/forward. What happens is this:
> If I scroll up (button 4) after scrolling down (button 5) it triggers 
> button 8 and 9.
> I see it generating a ButtonPress 8/9 if I go down and than up. And a 
> ButtonRelease 8/9 if I first go up and than down.
> 
> I have no config in /etc/X11. Xorg logs: https://www.klop.ws/Xorg.0.log
> 
> This happens on the trackpad of the laptop and with a bluetooth 
> connected mouse.
> What makes it a little more complex is that this is running FreeBSD 14 
> in VirtualBox on Windows 10 with. NB: It happened in Virtualbox 5 and 
> now in 6 also.
> 
> This started around a year ago. 
> https://lists.freebsd.org/pipermail/freebsd-ports/2020-March/117879.html 
> But didn't have time to look into it.
> 
> Any thoughts or similar experiences?
> 
> Regards,
> Ronald.


Some more googling found this: 
https://forums.freebsd.org/threads/mouse-wheel-strange-behavior-with-firefox.57494/

Just removed button 8 and 9.
xmodmap -e "pointer = 1 2 3 4 5 6 7 0 0 10 11 12"

Still don't understand the root cause of this, but this helps a lot.

Regards,
Ronald.


> 
> 
> Output of xev:
> 
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183573903, (25,45), root:(968,1279),
>     state 0x1000, button 5, same_screen YES
> 
> LeaveNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183573903, (25,45), root:(968,1279),
>     mode NotifyUngrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 0
> 
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183575432, (25,45), root:(968,1279),
>     state 0x0, button 5, same_screen YES
> 
> EnterNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183575432, (25,45), root:(968,1279),
>     mode NotifyGrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 4096
> 
> KeymapNotify event, serial 38, synthetic NO, window 0x0,
>     keys:  29  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
>            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
> 
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183575432, (25,45), root:(968,1279),
>     state 0x1000, button 5, same_screen YES
> 
> LeaveNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183575432, (25,45), root:(968,1279),
>     mode NotifyUngrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 0
> 
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183576483, (25,45), root:(968,1279),
>     state 0x0, button 4, same_screen YES
> 
> EnterNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183576483, (25,45), root:(968,1279),
>     mode NotifyGrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 2048
> 
> KeymapNotify event, serial 38, synthetic NO, window 0x0,
>     keys:  29  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
>            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
> 
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183576483, (25,45), root:(968,1279),
>     state 0x800, button 4, same_screen YES
> 
> LeaveNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183576483, (25,45), root:(968,1279),
>     mode NotifyUngrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 0
> 
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x3200002, time 183576483, (25,45), root:(968,1279),
>     state 0x0, button 8, same_screen YES
> 
> EnterNotify event, serial 38, synthetic NO, window 0x3200001,
>     root 0x51d, subw 0x0, time 183576483, (25,45), root:(968,1279),
>     mode NotifyGrab, detail NotifyInferior, same_screen YES,
>     focus YES, state 0
> 
> KeymapNotify event, serial 38, synthetic NO, window 0x0,
>     keys:  29  0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
>            0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0
> 
> 
> 
> $ xev | grep -i button # for a shorter list
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 8, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 9, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 4, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x800, button 4, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 8, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 9, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
> ButtonPress event, serial 38, synthetic NO, window 0x3200001,
>     state 0x0, button 5, same_screen YES
> ButtonRelease event, serial 38, synthetic NO, window 0x3200001,
>     state 0x1000, button 5, same_screen YES
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