[cups] cupsUIResolver, cupsUIConstraints PPD extensions

[Helge Blischke]

Your proposal seems reasonable, as far as I can see.
The main difference to the standard UIConstraints (and  
NonUIConstraints) is that
the cups extension supplies an algorithmic means of resolving the  
conflicts by specifying
the *cupsUIResolver statements, whereas the Adobe constraints require  
a user interaction
to select non-conflicting options.

For a short description of how this works, see:
http://www.cups.org/documentation.php/doc-1.4/spec-ppd.html

Helge

Am 21.03.2014 um 16:57 schrieb Johan Bengtsson:

> On Thu, 20 Mar 2014, Helge Blischke wrote:
>
>> As for my knowledge on Windows, these PPD options have no effect on  
>> the
>> print dialog box in Windows.
>> But in case of unusual SAMBA configurations with respect to  
>> printing, these options
>> could have an effect on printing which cannot be controlled on the  
>> Windows side.
>
> OK.
>
> I wrote these (hopefully correct) constraints, does anyone know if  
> it is possible to achieve the same effect with standard (Adobe?)  
> UIConstraints or some other
> method?
>
> *% Specify that thick paper shouldn't be duplexed.
> *cupsUIConstraints itsthick: "*MediaType Thick2 *Duplex DuplexTumble"
> *cupsUIConstraints itsthick: "*Duplex DuplexTumble *MediaType Thick2"
> *cupsUIConstraints itsthick: "*MediaType Thick2 *Duplex  
> DuplexNoTumble"
> *cupsUIConstraints itsthick: "*Duplex DuplexNoTumble *MediaType  
> Thick2"
> *cupsUIConstraints itsthick: "*MediaType Thick3 *Duplex DuplexTumble"
> *cupsUIConstraints itsthick: "*Duplex DuplexTumble *MediaType Thick3"
> *cupsUIConstraints itsthick: "*MediaType Thick3 *Duplex  
> DuplexNoTumble"
> *cupsUIConstraints itsthick: "*Duplex DuplexNoTumble *MediaType  
> Thick3"
> *cupsUIResolver itsthick: "*Duplex None *OutputBin Standard"
>
> -Johan Bengtsson
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