[cups] Issuing PS query via CUPS API

[Jacob Marble]

Roger, thanks Michael.

Jacob

On Wed, Aug 26, 2015 at 1:39 PM, Michael Sweet <msweet at apple.com> wrote:

> Jacob,
>
> Don't try to do configuration from your print dialog.  The DefaultXxx
> keyword should already be set for the installable option...
>
>
> > On Aug 26, 2015, at 4:20 PM, Jacob Marble <jacobmarble at google.com>
> wrote:
> >
> > I'm writing a print dialog, which should hide InstallableOptions that are
> > not installed.
> >
> > In cases where a query keyword appears (*?LargeCapacityTray in the
> example
> > below) can I safely ignore it, assuming that the default keyword
> > (*DefaultLargeCapacity) is the result of the query?
> >
> > If not, should I expect to execute the query via the CUPS/IPP/HTTP API? I
> > looked into this, but it seems that is a function of a backend filter,
> not
> > the function of a client.
> >
> > If it matters, I'm using CUPS 2.0 on OS X 10.10.5, but trying to support
> > back to CUPS 1.5.
> >
> > Thanks,
> >
> > Jacob
> >
> > *OpenUI *LargeCapacityTray/Large Capacity Tray: PickOne
> > *DefaultLargeCapacityTray: NotInstalled
> > *LargeCapacityTray NotInstalled/Not Installed: ""
> > *LargeCapacityTray Installed/Installed: ""
> > *?LargeCapacityTray: "
> > save
> > mark
> > (NotInstalled)
> > userdict /86f6369627 known {
> > userdict /86f6369627 get
> > /perifdict get /inslot get dup type /arraytype eq {
> >   {
> > dup 6 eq {(Installed) exit} if
> > pop
> >   } forall
> > }{pop} ifelse
> > }if
> > = flush
> > cleartomark
> > restore
> > "
> > *End
> > *CloseUI: *LargeCapacityTray
> > _______________________________________________
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>
> _________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>
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