[Powerdevil] [Bug 348529] When screen is locked, turn off screen at some point

[Chris]

https://bugs.kde.org/show_bug.cgi?id=348529

--- Comment #43 from Chris <inkbottle007 at gmail.com> ---
(In reply to Aleix Pol from comment #42)
> I'm sorry, I was just pointed to this MR and am not sure what the problem
> exactly is. 
> 
> Shouldn't the default mechanisms from PowerDevil kick in here and eventually
> dpms=off the screen?
> 
> One thing that the new changes offer is that the script can be switched to
> use "kscreen-doctor --dpms off" instead of messing with the powerdevil
> profiles.
> 
> Also you can press Esc to dim the screen, although I understand this isn't
> exactly what we're after here.

I think the point is to have two different "screen energy saving" timers, one
for the plain idle session, and the other for when the screen is locked. I
think every device but kde/plasma has this feature nowadays:
https://learn.microsoft.com/en-us/troubleshoot/windows-client/shell-experience/monitor-powers-off-when-pc-locked,
also android, gnome iiuc; the Phosh timer in this circumstance is so short that
unlocking the screen is challenging...

I think the script above does just that, it did prove useful, but I'm not sure
it's robust at all. And it's a lot of tinkering.
(https://bugs.kde.org/show_bug.cgi?id=348529#c33)

The new command "kscreen-doctor --dpms off" is awesome for wayland users, but I
think it's more about the timer, just as expressed with the new name: "turn
screen off at some point".

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