Bug: Opening any menu in Epyrus by right-clicking also triggers a menu action in it

[Kris_88]

FireFox takes ('clicks') the context menu item under the mouse (if applicable) when the right mouse button is released after opening the menu on press.
As a result, I frequently accidentally navigate 'back' instead of opening the menu (visibly) at all, since I must slightly move the mouse down and to the right before releasing.

https://superuser.com/questions/1644079 ... mb-release
https://support.mozilla.org/en-US/questions/1180792
https://forums.opera.com/topic/50820/co ... -selecting

[Moonchild]

In about:config:

ui.context_menus.after_mouseup

defaults to false (i.e. not after mouse-up, don't wait for it, open on mouse-down). Changing it to true fixes the issue, since the menu isn't open for mouse-up to select anything.

I still think it's weird that RMB-up acts like LMB-down if it is open, though. Within the same 'click' too.

This is probably a concession towards touch screens. tap-and-hold to spawn the menu, keep the finger down to select the entry, then release to "click"