Is it possible to have auto dim inactive monitor and option hotkey to exclude some monitors?

For example, if I have 3 monitors. 1 playing movie (with temp no dim mode) while the other main screen running works. 3rd screen not required but can be dimmed if the mouse is not active on the 3rd screen.

So I won't have a full brightness of screen blaring at my view.

I think Synergy has this function, it dims the monitor when your mouse is on another screen.

Have a look at this post, it may help you: http://www.displayfusion.com/Discussions/View/highlight-active-window/?ID=4137e449-69ff-4f1c-80c2-01e126e56ba7

Yes with event fire when active window changes and heck dim or fully sleep monitors that do not host active window then becomes relatively easy! Any ETA on the API changes? I'm super anxious to test them!