Of course, to do this mapping you have to know which button event is being produced by each button (or ring) on the trackball. So this means in the example command I gave above, I assigned function 8, "Back", to button 2, and function 9, "Forward" to button 8. So the first parameter after the equal sign assigns to button 1, the second to button 2 and so on. The position of the items in the command specify the button to assign a function to. Scroll up (or down, depending on how you interpret "natural scrolling"). The numbers given in the xmodmap command specify the mouse button functions, as follows: Don't read this unless you are interested in a very geeky explanation of the xmodmap command mentioned above. I have already started using it in preference to the Logitech M570 trackball I have had on my desk for the past few years. I have had a lot of trackballs over the years, and this is one of the best that I have seen. The bottom line is that I really like this new trackball. Since then I have seen it go below 110.- in a few places, so there is hope, even if you live in Switzerland. It finally hit CHF 119.- two weeks ago and I ordered one. I kept checking for it periodically, and watched the price here go slowly down. I immediately searched for it in Switzerland, and finally found it - with a price of about CHF 215 (that's more than $200)! Yikes! I've been living in Switzerland for a long time, and I know there is a substantial markup here, but that is just completely ridiculous. I first saw this trackball on the Kensington web site sometime last summer. Alas, no such luck.įinally, a few words about the price. The Kensington web page also lists Chrome OS under Compatibility, so I was hopeful that there might be a Linux-compatible version of this utility.
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