[Lazarus] "Defeating" a screen saver

Mark Morgan Lloyd markMLl.lazarus at telemetry.co.uk
Wed Sep 26 19:51:00 CEST 2012

Mark Morgan Lloyd wrote:
> Graeme Geldenhuys wrote:
>> On 2012-09-25 17:57, Mark Morgan Lloyd wrote:
>>> suggestion of looking at the VLC sources I see they use it which has to
>>> be a recommendation.
>> Interesting... I was wondering what they did. :)
>>> I'll see what I can work in, but particularly allowing that
>>> xdg-screensaver can take several seconds to run it's more suited to
>>> being run at the start and end of a program session than "on the fly"
>> Why not simply execute the command in a background thread. Your main 
>> thread then continues pulling in data or whatever it does.
> I've already got a thread moving data around, and I know that when 
> data's actively moving that the user isn't fiddling with keyboard or 
> mouse (odds are he's got his hands on a MIDI device). I can also assume 
> that he used the GUI shortly before data started arriving, so in 
> practice I can use a 30 secs foreground timer (which already looks for 
> and loads an updated backend .so) to fire an enable/disable command when 
> the rate of flow changes.

Needs a window ID. I think I can get that from a shell variable if 
there's a shell, but not if started directly from the desktop: anybody 
got any thoughts?

Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk

[Opinions above are the author's, not those of his employers or colleagues]

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