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devel / comp.unix.programmer / Re: Xlib screen saver APIs

SubjectAuthor
* Xlib screen saver APIsMuttley
`* Xlib screen saver APIsLew Pitcher
 `* Xlib screen saver APIsMuttley
  `* Xlib screen saver APIsLew Pitcher
   `* Xlib screen saver APIsMuttley
    `* Xlib screen saver APIsSpiros Bousbouras
     `* Xlib screen saver APIsMuttley
      `* Xlib screen saver APIsPo Lu
       +* Xlib screen saver APIsKaz Kylheku
       |+* Xlib screen saver APIsScott Lurndal
       ||`- Xlib screen saver APIsPo Lu
       |`- Xlib screen saver APIsPo Lu
       `* Xlib screen saver APIsMuttley
        `* Xlib screen saver APIsLew Pitcher
         `* Xlib screen saver APIsKalevi Kolttonen
          `* Xlib screen saver APIsvallor
           `* Xlib screen saver APIsKalevi Kolttonen
            +* Xlib screen saver APIsMuttley
            |+- Xlib screen saver APIsMuttley
            |+* Xlib screen saver APIsAlastair Hogge
            ||+* Xlib screen saver APIsMuttley
            |||`- Xlib screen saver APIsAlastair Hogge
            ||`- Xlib screen saver APIsScott Lurndal
            |+- Xlib screen saver APIsAlastair Hogge
            |`- Xlib screen saver APIsAlastair Hogge
            `* Xlib screen saver APIsvallor
             `* Xlib screen saver APIsScott Lurndal
              `- Xlib screen saver APIsvallor

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Re: Xlib screen saver APIs

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From: Mutt...@dastardlyhq.com
Newsgroups: comp.unix.programmer
Subject: Re: Xlib screen saver APIs
Date: Mon, 31 Jul 2023 09:08:42 -0000 (UTC)
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 by: Mutt...@dastardlyhq.com - Mon, 31 Jul 2023 09:08 UTC

On Sat, 29 Jul 2023 16:42:14 -0000 (UTC)
Lew Pitcher <lew.pitcher@digitalfreehold.ca> wrote:
>Hi, Muttley
>> But I'm not sure it does. I've been reading this:
>>
>> https://www.x.org/releases/X11R7.7/doc/scrnsaverproto/saver.html
>
>OK, so I'm a beginner at X11/Xlib progamming myself, so I don't
>have all (or even most) of the answers. What I can tell you is
>that you use the Xss(3) extensions in an X11 client program that
>runs in the background and intercepts and processes screensaver
>events. It runs as a stand-alone process, and is not integrated
>into the X11 server.
>
>So, the screensaver client will have to draw on something called
>a "Drawable" (which can be a "Window" or a "Pixmap") which it
>tells the Xss(3) extension should be used as the screensaver
>image. It's up the the client to establish this Drawable, and
>to actually draw the image. This you can do with the usual
>XLib calls. The client does this drawing (or stops drawing)
>when it receives a ScreenSaverNotify event in it's event loop.

Thanks. I do wish a lot of Xlib documentation was less vague. Programming
is a precise activity, there's no reason for the documentation to not be
precise too.

Re: Xlib screen saver APIs

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From: spi...@gmail.com (Spiros Bousbouras)
Newsgroups: comp.unix.programmer,comp.windows.x
Subject: Re: Xlib screen saver APIs
Date: Wed, 2 Aug 2023 11:04:19 -0000 (UTC)
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 by: Spiros Bousbouras - Wed, 2 Aug 2023 11:04 UTC

On Mon, 31 Jul 2023 09:08:42 -0000 (UTC)
Muttley@dastardlyhq.com wrote:
> On Sat, 29 Jul 2023 16:42:14 -0000 (UTC)
> Lew Pitcher <lew.pitcher@digitalfreehold.ca> wrote:
> >Hi, Muttley
> >> But I'm not sure it does. I've been reading this:
> >>
> >> https://www.x.org/releases/X11R7.7/doc/scrnsaverproto/saver.html
[...]
> Thanks. I do wish a lot of Xlib documentation was less vague. Programming
> is a precise activity, there's no reason for the documentation to not be
> precise too.

I just wanted to add that there exists also comp.windows.x for such
questions. I don't know if there exist people who read that group and
not comp.unix.programmer .

Re: Xlib screen saver APIs

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From: Mutt...@dastardlyhq.com
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Subject: Re: Xlib screen saver APIs
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 by: Mutt...@dastardlyhq.com - Wed, 2 Aug 2023 15:50 UTC

On Wed, 2 Aug 2023 11:04:19 -0000 (UTC)
Spiros Bousbouras <spibou@gmail.com> wrote:
>On Mon, 31 Jul 2023 09:08:42 -0000 (UTC)
>Muttley@dastardlyhq.com wrote:
>> On Sat, 29 Jul 2023 16:42:14 -0000 (UTC)
>> Lew Pitcher <lew.pitcher@digitalfreehold.ca> wrote:
>> >Hi, Muttley
>> >> But I'm not sure it does. I've been reading this:
>> >>
>> >> https://www.x.org/releases/X11R7.7/doc/scrnsaverproto/saver.html
>[...]
>> Thanks. I do wish a lot of Xlib documentation was less vague. Programming
>> is a precise activity, there's no reason for the documentation to not be
>> precise too.
>
>I just wanted to add that there exists also comp.windows.x for such
>questions. I don't know if there exist people who read that group and
>not comp.unix.programmer .

Cheers. Looks more admin than dev but something to remember for next time.

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