[NTG-context] Foonotes in Captions ... again

[denis.maier at unibe.ch]

Hmmm, I probably was to quick. Does not really work in my real document...

I'll try to solve the issue now by integrating the notes into the caption. Let's see if the authors accept it.

Anyway, maybe that would be a nice topic for the monthly context chat?

> -----Ursprüngliche Nachricht-----
> Von: ntg-context <ntg-context-bounces at ntg.nl> Im Auftrag von Denis Maier
> via ntg-context
> Gesendet: Donnerstag, 16. Juni 2022 11:16
> An: mseven at telus.net; ntg-context at ntg.nl
> Cc: Maier, Denis Christian (UB) <denis.maier at unibe.ch>
> Betreff: Re: [NTG-context] Foonotes in Captions ... again
> 
> Thanks, Max! That's very neat, and it indeed works in my use case.
> 
> Can anyone see any drawbacks here?
> 
> Best,
> Denis
> 
> > -----Ursprüngliche Nachricht-----
> > Von: Max Chernoff <mseven at telus.net>
> > Gesendet: Donnerstag, 16. Juni 2022 01:32
> > An: ntg-context at ntg.nl
> > Cc: Maier, Denis Christian (UB) <denis.maier at unibe.ch>
> > Betreff: Re: [NTG-context] Foonotes in Captions ... again
> >
> > > What's the current state of affairs regarding footnotes in floats?
> > > Both
> > version in the example below don't quite work...
> > > (Ideally, the note should be on the page with the float and the
> > > caption, but the numbering should also be adjusted.)
> >
> > We can completely abuse a bunch of different ConTeXt features to
> > ensure that the footnote numbers are always in the page order.
> >
> >      % New Code
> >      \unprotect
> >
> >      \startluacode
> >          userdata.visual_order = 0
> >          userdata.input_order = 0
> >          userdata.save_data = job.passes.define("saved_footnotes")
> >          userdata.previous_data =
> > job.passes.getcollected("saved_footnotes")
> >
> >          interfaces.implement {
> >              name = "set_footnote_number",
> >              actions = function ()
> >                  userdata.input_order = userdata.input_order + 1
> >
> >                  local input_index = userdata.input_order
> >                  local page_index =
> > userdata.previous_data[input_index]
> >
> >                  if page_index then
> >                      structures.counters.set("footnote", 1, page_index - 1)
> >                  end
> >              end
> >          }
> >      \stopluacode
> >
> >      \def\save_footnote_data#1{%
> >          \latelua{
> >              userdata.visual_order = userdata.visual_order + 1
> >              userdata.save_data[#1] = userdata.visual_order
> >          }%
> >      }
> >
> >      \let\old_footnote=\footnote
> >
> >      \starttexdefinition protected footnote #1
> >          \begingroup
> >              \clf_set_footnote_number
> >
> >              \def\insert##1\bgroup##2\egroup{
> >                  \normalexpanded{
> >                      \noexpand\save_footnote_data
> >                      {\cldcontext{userdata.input_order}}
> >                  }
> >                  \normalinsert##1{##2}
> >              }
> >
> >              \old_footnote{#1}
> >          \endgroup
> >      \stoptexdefinition
> >
> >      \protect
> >
> >      % Original Example
> >
> >      \starttext
> >
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >
> >      \input ward
> >
> >      \startplacefigure[title={asdfasdf\footnote{test 1}}]
> >      \externalfigure[cow.pdf]
> >      \stopplacefigure
> >
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >
> >      \startplacefigure[title={asdfasdf\footnote{test 2}}]
> >      \externalfigure[cow.pdf][height=10cm]
> >      \stopplacefigure
> >
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >
> >
> >      \page
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >
> >      \input ward
> >
> >      \startplacefigure[title={asdfasdf\footnote{test 1}}]
> >      \externalfigure[cow.pdf]
> >      \stopplacefigure
> >
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >
> >      % (Can't use postponingnotes)
> >      % \startpostponingnotes
> >      \startplacefigure[title={asdfasdf\footnote{test 2}}]
> >      \externalfigure[cow.pdf][height=10cm]
> >      \stopplacefigure
> >      % \stoppostponingnotes
> >
> >      \footnote{asdf} \footnote{asdf} \footnote{asdf}
> >      \stoptext
> >
> > Here, we save a mapping between each footnote's index in the input and
> > its index in the output to the .tuc file. The code is definitely not
> > pretty, but works well enough for the sample file provided.
> >
> > -- Max
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