I am very new to Grails I want to get info about each function just hovering the mouse as I did in java/android via Windows->Preferences->Java->Editor->hover.
I am using Groovy/Grails Tool Suite Version: 3.6.4.RELEASE
From what I can gather playing with settings on my local GGTS 3.6.3, the same settings location that you've given:
Windows -> Preferences -> Java -> Editor -> Hover
Appear to apply to my .groovy files as well. I have the following enabled:
Pressed key modifier while hovering left blank