>>800
ドラッグで最前面は、説明に
Bring TE window to the top when anything is dragged from another application
と書いてある
https://tablacus.github.io/wiki/addons/dragtop.html

長押しについては、
Enable “long press” as a mouse gesture, which is common in touch screen devices
https://tablacus.github.io/wiki/addons/longpress.html