* number of chapters
@ 2022-07-20 7:06 Henning Hraban Ramm via ntg-context
2022-07-20 7:40 ` Henning Hraban Ramm via ntg-context
0 siblings, 1 reply; 4+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2022-07-20 7:06 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Henning Hraban Ramm
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.)
Hraban
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: number of chapters
2022-07-20 7:06 number of chapters Henning Hraban Ramm via ntg-context
@ 2022-07-20 7:40 ` Henning Hraban Ramm via ntg-context
2022-07-20 7:47 ` Taco Hoekwater via ntg-context
0 siblings, 1 reply; 4+ messages in thread
From: Henning Hraban Ramm via ntg-context @ 2022-07-20 7:40 UTC (permalink / raw)
To: ntg-context; +Cc: Henning Hraban Ramm
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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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: number of chapters
2022-07-20 7:40 ` Henning Hraban Ramm via ntg-context
@ 2022-07-20 7:47 ` Taco Hoekwater via ntg-context
2022-07-20 8:02 ` Henning Hraban Ramm via ntg-context
0 siblings, 1 reply; 4+ messages in thread
From: Taco Hoekwater via ntg-context @ 2022-07-20 7:47 UTC (permalink / raw)
To: mailing list for ConTeXt users; +Cc: Taco Hoekwater
> On 20 Jul 2022, at 09:40, Henning Hraban Ramm via ntg-context <ntg-context@ntg.nl> wrote:
>
> 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}
These are expandable
>
> or
>
> \someheadnumber[chapter][current]
> \someheadnumber[chapter][last]
These are not
>
> 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[MyChapterColor][h={\the\numexpr 360*\somenamedheadnumber{chapter}{current}/\somenamedheadnumber{chapter}{last}\relax},s=1,v=1]
Best wishes,
Taco
—
Taco Hoekwater E: taco@bittext.nl
genderfluid (all pronouns)
___________________________________________________________________________________
If your question is of interest to others as well, please add an entry to the Wiki!
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wiki : https://contextgarden.net
___________________________________________________________________________________
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