Need input hotplug to solve mouse latency (sweep-selection precision) in Ubuntu
1. find a desktop background which has lots of detail (this is not strictly necessary but it helps *a lot* to understand this problem).
2. set this desktop background on both a windows machine and a linux machine
3. decide on two points (call them A and B) near the middle of the screen, a couple of centrimeters a part
on each machine, do these steps:
3. move the mouse cursor to point A
4. very fast now; press the left mouse button and move the mouse to point B
on the windows machine you will have a selection ranging from point A all the way over to point B
on the linux machine you will have a selection ranging from a point between A and B all the way over to point B
clearly, there is some kind of latency issue for the mouse down event on the linux machine. it takes a few milli (or maybe nano) seconds for the linux machine to process the mouse down and for this reason the mouse cursor is moved a little bit before linux receives the mouse down event and starts the actual selection.
this problem also affects actions such as resizing windows really fast. as long as you are very slow (e.g for old people) the mouse works just great in linux.
|Changed in xorg:|
|milestone:||later → intrepid-alpha-5|
|Bryce Harrington (bryce) wrote : Re: [Bug 144277] Re: Need input hotplug to solve mouse latency (sweep-selection precision) in Ubuntu||#18|