Mailing List ecs-isp@2rosenthals.com Archived Message #1076

Fra: "Peter Moylan" <ecs-isp@2rosenthals.com> Full Headers
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Emne: Re: [eCS-ISP] VIO Font Size (Was: Re: Getting started with Let's Encrypt)
Dato: Tue, 10 Dec 2024 21:42:43 +1100
Til: eCS ISP Mailing List <ecs-isp@2rosenthals.com>

On 09/12/24 23:10, Alfredo Fernández Díaz wrote:
On 2024/12/09 01:36, Peter Moylan wrote:
On 09/12/24 00:20, Alfredo Fern�ndez D�az wrote:
On 2024/12/08 09:56, Peter Moylan wrote:
On 08/12/24 15:57, Steven Levine wrote:
In <list-11330729@2rosenthals.com>, on 12/08/24 at 02:11 PM,
"Peter Moylan" <ecs-isp@2rosenthals.com> said:

That made me rediscover a flaw in the design: changing the
font size changes it for all instances of the shell (and
also all instances of 4OS2) rather than for just one
application.

[...]

I should look into where the font size is saved to. It might
be saved in the extended attributes of the shell. If so, there
could be a way to add the relevant information to the extended
attributes of one program object, without affecting the global
command shell font.

It is saved in the USER INI file, as a two-byte character value
(first byte is VIO cell size cols, second is rows) of the
'Shield' application. The name of the key under which this value
is stored is language-dependent, and it starts with or at least
has a tilde (~) character in it. I just set it on a VM and it
seems to be '~Font Size...' in English ArcaOS.

That's the first time I've seen a key that ends with a sequence of dots.
Very strange.

Thanks. That means I can't change it for one program without
changing it for all command-line applications.

Well, OK, I guess I could write a wrapper script that temporarily
changed the setting. I'll give that some thought.

I wrote a crude REXX applet long ago that did that, more or less: it
 took a VIO size and an Object ID as parameters. It read the current
VIO size setting, adjusted it as per parameters, launched the object
as a new window so it used the size used as parameter, and then set
the VIO size back to the previous system default.

I have a less ambitious goal. I want the big window for just one
application, a VIO program called accounts.exe, and a smaller window for
everything else; so there's no need to pass parameters. I fiddled with
the idea today, and as usual I had to re-learn how to deal with 8-bit
bytes in Rexx. (Rexx is not the best language for that job.) I didn't
realise that updating the size worked for the next VIO window to be
opened, not the current one, so you have to have two windows open. Not a
fatal flaw, but a minor aesthetic one.

I seem to recall I had problems opening several VIO sessions with
different sizes concurrently or something similar -- I forget because
I stopped using it when I switched to bigger VIO sizes almost
universally. Then I lost it, and I never got round to rewriting it in
presentable fashion, but I am sure you can use the idea and improve
on that as necessary.

I can see that there are potential timing problems. I guess I'll have to
set the new size, launch my application, and then sleep for a while
before changing it back and exiting. I'll give that another try tomorrow.

--
Peter Moylan                  peter@pmoylan.org
http://www.pmoylan.org

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