Public bug reported:
Horizontal scrolling with the middle trackpoint button on Thinkpad X260 does
not work as expected.
I noticed the problem in nedit, where holding the middle button while dragging
the cursor over the text to be copied is a fast way of copying text. But the
cursor does not move, so this feature does not work. In chromium, scrolling
works with the cursor in place, but this is not the same functionality as with
a real mouse, which is what is supposed to be emulated. This all worked
perfectly in Ubuntu 10.10 (what I have been using until now).
The difference between scrolling with the middle button of a real mouse and the
broken emulation
is that with a real mouse, xev sees a ButtonPress event (button 2) followed by
MotionNotify events, followed by a ButtonRelease event, whereas with the
trackpoint it sees a series of ButtonPress and ButtonRelease events (buttons
4,5,6,7) with no MotionNotify events. Completely different behavior from what
an application is expecting. Since this worked in a previous release, is
there some
work-around?
** Affects: xserver-xorg-input-evdev (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1597984
Title:
horizontal scrolling with middle trackpoint button broken
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