The article notes that you can use MouseKeys on Windows. MouseKeys is great, but only works if your keyboard has a numeric keypad.
Since I've used ThinkPads for many years, I wrote a program some time ago I called JKLmouse. It gives similar functionality to MouseKeys, but works on ThinkPad and other laptop keyboards that don't have a numeric pad.
It does help to have actual mouse buttons like on a ThinkPad. If you have laptop where the only way to do a mouse click is by pressing on the touchpad it won't work so well, because just the act of pressing the touchpad is likely to move the mouse pointer slightly.
JKLmouse and the TrackPoint work together nicely. You can use the TrackPoint for larger mouse motions and then use the keyboard for precise positioning, all seamlessly.
There is an installer, but for programmers I suggest instead installing AutoHotkey separately, and then download and configure JKLmouse.ahk to run at startup. If I do say so myself, I think it's a good example of some well-written AutoHotkey code. Maybe it will give you some ideas of other things you can do with AutoHotkey.
Since I've used ThinkPads for many years, I wrote a program some time ago I called JKLmouse. It gives similar functionality to MouseKeys, but works on ThinkPad and other laptop keyboards that don't have a numeric pad.
It does help to have actual mouse buttons like on a ThinkPad. If you have laptop where the only way to do a mouse click is by pressing on the touchpad it won't work so well, because just the act of pressing the touchpad is likely to move the mouse pointer slightly.
JKLmouse and the TrackPoint work together nicely. You can use the TrackPoint for larger mouse motions and then use the keyboard for precise positioning, all seamlessly.
There is an installer, but for programmers I suggest instead installing AutoHotkey separately, and then download and configure JKLmouse.ahk to run at startup. If I do say so myself, I think it's a good example of some well-written AutoHotkey code. Maybe it will give you some ideas of other things you can do with AutoHotkey.
https://www.jklmouse.com/