* layout parameter testing
@ 2008-11-13 19:52 Alan STONE
2008-11-13 20:48 ` Wolfgang Schuster
0 siblings, 1 reply; 7+ messages in thread
From: Alan STONE @ 2008-11-13 19:52 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Hi,
With \definelayout[myLayout][...], how do you test whether one of its
parameters has a certain value, is greater than 0, etc... ?
--
Best,
Alan
* TeX engine = LuaTeX
* ConTeXt minimals ver: 2008.56.06 19:11 MKIV fmt: 2008.11.10 int:
english/english
* Ubuntu 8.04 Hardy Heron
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^ permalink raw reply [flat|nested] 7+ messages in thread
* Re: layout parameter testing
2008-11-13 19:52 layout parameter testing Alan STONE
@ 2008-11-13 20:48 ` Wolfgang Schuster
2008-11-14 9:40 ` Alan STONE
2008-11-14 14:06 ` Alan STONE
0 siblings, 2 replies; 7+ messages in thread
From: Wolfgang Schuster @ 2008-11-13 20:48 UTC (permalink / raw)
To: mailing list for ConTeXt users
Am 13.11.2008 um 20:52 schrieb Alan STONE:
> Hi,
>
> With \definelayout[myLayout][...], how do you test whether one of
> its parameters has a certain value, is greater than 0, etc... ?
\definelayout
[mylayout]
[backspace=3cm,
width=12cm]
\starttext
\doifdimensionelse{\namedlayoutparameter{mylayout}{width}} % width
could be 'fit'
{\ifdim\namedlayoutparameter{mylayout}{width}<10cm
...
\else
...
\fi}
{\processaction
[\namedlayoutparameter{mylayout}{width}]
[fit=>...,
unknown=>...]}
\stoptext
Wolfgang
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^ permalink raw reply [flat|nested] 7+ messages in thread* Re: layout parameter testing
2008-11-13 20:48 ` Wolfgang Schuster
@ 2008-11-14 9:40 ` Alan STONE
2008-11-14 14:06 ` Alan STONE
1 sibling, 0 replies; 7+ messages in thread
From: Alan STONE @ 2008-11-14 9:40 UTC (permalink / raw)
To: mailing list for ConTeXt users
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On Thu, Nov 13, 2008 at 9:48 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:
>
> Am 13.11.2008 um 20:52 schrieb Alan STONE:
>
> > Hi,
> >
> > With \definelayout[myLayout][...], how do you test whether one of
> > its parameters has a certain value, is greater than 0, etc... ?
>
> \definelayout
> [mylayout]
> [backspace=3cm,
> width=12cm]
>
> \starttext
>
> \doifdimensionelse{\namedlayoutparameter{mylayout}{width}} % width
> could be 'fit'
> {\ifdim\namedlayoutparameter{mylayout}{width}<10cm
> ...
> \else
> ...
> \fi}
> {\processaction
> [\namedlayoutparameter{mylayout}{width}]
> [fit=>...,
> unknown=>...]}
>
> \stoptext
>
> Wolfgang
>
Whoopie... way cool! Thanks Wolfgang.
Seems there are "a few" system macros hiding in the source code.
--
Best,
Alan
* TeX engine = LuaTeX
* ConTeXt minimals ver: 2008.56.06 19:11 MKIV fmt: 2008.11.10 int:
english/english
* Ubuntu 8.04 Hardy Heron
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: layout parameter testing
2008-11-13 20:48 ` Wolfgang Schuster
2008-11-14 9:40 ` Alan STONE
@ 2008-11-14 14:06 ` Alan STONE
2008-11-14 14:33 ` Wolfgang Schuster
1 sibling, 1 reply; 7+ messages in thread
From: Alan STONE @ 2008-11-14 14:06 UTC (permalink / raw)
To: mailing list for ConTeXt users
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On Thu, Nov 13, 2008 at 9:48 PM, Wolfgang Schuster <
schuster.wolfgang@googlemail.com> wrote:
>
> Am 13.11.2008 um 20:52 schrieb Alan STONE:
>
> > Hi,
> >
> > With \definelayout[myLayout][...], how do you test whether one of
> > its parameters has a certain value, is greater than 0, etc... ?
>
> \definelayout
> [mylayout]
> [backspace=3cm,
> width=12cm]
>
> \starttext
>
> \doifdimensionelse{\namedlayoutparameter{mylayout}{width}} % width
> could be 'fit'
> {\ifdim\namedlayoutparameter{mylayout}{width}<10cm
> ...
> \else
> ...
> \fi}
> {\processaction
> [\namedlayoutparameter{mylayout}{width}]
> [fit=>...,
> unknown=>...]}
Re: http://wiki.contextgarden.net/System_Macros/Action_Processing
What is 'fit' ?
\stoptext
>
> Wolfgang
>
Alan
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: layout parameter testing
2008-11-14 14:06 ` Alan STONE
@ 2008-11-14 14:33 ` Wolfgang Schuster
2008-11-16 14:15 ` Alan STONE
0 siblings, 1 reply; 7+ messages in thread
From: Wolfgang Schuster @ 2008-11-14 14:33 UTC (permalink / raw)
To: mailing list for ConTeXt users
Am 14.11.2008 um 15:06 schrieb Alan STONE:
> On Thu, Nov 13, 2008 at 9:48 PM, Wolfgang Schuster <schuster.wolfgang@googlemail.com
> > wrote:
>
> Am 13.11.2008 um 20:52 schrieb Alan STONE:
>
> > Hi,
> >
> > With \definelayout[myLayout][...], how do you test whether one of
> > its parameters has a certain value, is greater than 0, etc... ?
>
> \definelayout
> [mylayout]
> [backspace=3cm,
> width=12cm]
>
> \starttext
>
> \doifdimensionelse{\namedlayoutparameter{mylayout}{width}} % width
> could be 'fit'
> {\ifdim\namedlayoutparameter{mylayout}{width}<10cm
> ...
> \else
> ...
> \fi}
> {\processaction
> [\namedlayoutparameter{mylayout}{width}]
> [fit=>...,
> unknown=>...]}
>
> \stoptext
>
> Re: http://wiki.contextgarden.net/System_Macros/Action_Processing
>
> What is 'fit' ?
You could set the the width of the textarea in
three different ways:
1) as absolute value,
2) as remaining space between backspace and cutspace
(useful in presentations) and
3) as remaining space between equal margins.
\definelayout[1][backspace=4cm,width=12cm]
\definelayout[2][backspace=5cm,cutspace=7cm,width=fit]
\definelayout[3][backspace=3cm,width=middle]
\showframe
\starttext
\dorecurse{3}
{\starttabulate
\NC backspace \EQ \PtToCm\backspace \NC\NR
\NC textwidth \EQ \PtToCm\textwidth \NC\NR
\NC cutspace \EQ \PtToCm\cutspace \NC\NR
\stoptabulate
\page}
\stoptext
Regards,
Wolfgang
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: layout parameter testing
2008-11-14 14:33 ` Wolfgang Schuster
@ 2008-11-16 14:15 ` Alan STONE
2008-11-16 14:42 ` Wolfgang Schuster
0 siblings, 1 reply; 7+ messages in thread
From: Alan STONE @ 2008-11-16 14:15 UTC (permalink / raw)
To: mailing list for ConTeXt users
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Hi,
It doesn't work with the width=fit and width=middle options...
%\definelayout[mylayout][backspace=4cm,width=11cm]
%\definelayout[mylayout][backspace=4cm,width=9cm]
\definelayout[mylayout][backspace=5cm,cutspace=7cm,width=fit]
%\definelayout[mylayout][backspace=3cm,width=middle]
\setuplayout[mylayout]
\starttext
\doifdimensionelse{\namedlayoutparameter{mylayout}{width}}
{\ifdim\namedlayoutparameter{mylayout}{width}>10cm
width > 10cm
\else
width < 10cm
\fi}
{\processaction
[\namedlayoutparameter{mylayout}{width}]
[fit=>fit,
middle=>middle,
unknown=>unknown width]}
\stoptext
----------------------------------------------------------
width=fit
->
! Missing number, treated as zero.
<to be read again>
f
\@@lymylayoutwidth ->f
it
\doifdimensionelse ...mensionelse \scratchdimen #1
pt\relax
l.11 ...se{\namedlayoutparameter{mylayout}{width}}
----------------------------------------------------------
width=middle
->
! Missing number, treated as zero.
<to be read again>
m
\@@lymylayoutwidth ->m
iddle
\doifdimensionelse ...mensionelse \scratchdimen #1
pt\relax
l.11 ...se{\namedlayoutparameter{mylayout}{width}}
----------------------------------------------------------
Best,
Alan
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___________________________________________________________________________________
^ permalink raw reply [flat|nested] 7+ messages in thread* Re: layout parameter testing
2008-11-16 14:15 ` Alan STONE
@ 2008-11-16 14:42 ` Wolfgang Schuster
0 siblings, 0 replies; 7+ messages in thread
From: Wolfgang Schuster @ 2008-11-16 14:42 UTC (permalink / raw)
To: mailing list for ConTeXt users
Am 16.11.2008 um 15:15 schrieb Alan STONE:
> Hi,
>
> It doesn't work with the width=fit and width=middle options...
>
> %\definelayout[mylayout][backspace=4cm,width=11cm]
> %\definelayout[mylayout][backspace=4cm,width=9cm]
> \definelayout[mylayout][backspace=5cm,cutspace=7cm,width=fit]
> %\definelayout[mylayout][backspace=3cm,width=middle]
>
> \setuplayout[mylayout]
>
> \starttext
> \doifdimensionelse{\namedlayoutparameter{mylayout}{width}}
> {\ifdim\namedlayoutparameter{mylayout}{width}>10cm
> width > 10cm
> \else
> width < 10cm
> \fi}
> {\processaction
> [\namedlayoutparameter{mylayout}{width}]
> [fit=>fit,
> middle=>middle,
> unknown=>unknown width]}
> \stoptext
>
I hadn't tested the above code and wrote it from mind but here
are two working solutions:
This version checks first if width is 'middle' or 'fit' if
the value is none of them it is treated as dimension.
\doifinsetelse{\namedlayoutparameter{mylayout}{width}}{middle,fit}
{\processaction
[\namedlayoutparameter{mylayout}{width}]
[ fit=>fit,
middle=>middle,
unknown=>unknown width]}
{\ifdim\namedlayoutparameter{mylayout}{width}>10cm
width > 10cm
\else
width < 10cm
\fi}
This version checks first if the value is a number and is this
is wrong looks for a keyword.
\doifnumberelse{\namedlayoutparameter{mylayout}{width}}
{\ifdim\namedlayoutparameter{mylayout}{width}>10cm
width > 10cm
\else
width < 10cm
\fi}
{\processaction
[\namedlayoutparameter{mylayout}{width}]
[ fit=>fit,
middle=>middle,
unknown=>unknown width]}
Regards,
Wolfgang
___________________________________________________________________________________
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maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
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___________________________________________________________________________________
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2008-11-13 19:52 layout parameter testing Alan STONE
2008-11-13 20:48 ` Wolfgang Schuster
2008-11-14 9:40 ` Alan STONE
2008-11-14 14:06 ` Alan STONE
2008-11-14 14:33 ` Wolfgang Schuster
2008-11-16 14:15 ` Alan STONE
2008-11-16 14:42 ` Wolfgang Schuster
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