Am 20.07.22 um 09:06 schrieb Henning Hraban Ramm via ntg-context:
Hi,
how do I access the current chapter number and the number of chapters
(including appendixes; after the first run)?
I’d like to setup a chapter color like
\definecolor[ChapterColor][
s=1,v=1,
h=360*\namedstructurevariable{chapter}{number}/\numberofchapters,
]
and use it for a thumb index...
(I can’t access the wiki ATM; downforeveryoneorjustme.com says it would
be just me.)
Ok, I can access the wiki via Tor and found
\somenamedheadnumber{chapter}{current}
\somenamedheadnumber{chapter}{last}
or
\someheadnumber[chapter][current]
\someheadnumber[chapter][last]
What’s the difference?
And even if I use \definecolor within a setup, I get the same color for
every chapter – how and where must I delay expansion?
\usemodule[visual]
\startsetups[MyChapterSetup]
\definecolor[MyChapterColor][h={360*\somenamedheadnumber{chapter}{current}/\somenamedheadnumber{chapter}{last}},s=1,v=1]
\definecolor[fakerulecolor][MyChapterColor]
\setuphead[chapter][color=MyChapterColor]
\stopsetups
\unexpanded\def\MyChapter#1{
\setup{MyChapterSetup}
\color[MyChapterColor]{#1}
}
\setuphead[chapter][page=no,textcommand=\MyChapter]
\starttext
\dorecurse{20}{
\chapter{\fakewords{1}{5}}
\fakewords{10}{50}
}
\stoptext
Hraban
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