{key-value} is about packages and macros using the key=value syntax for named parameters instead of numbered parameters.

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3
votes
1answer
235 views

Font size as a key-value pair using pgfkeys does not work

I want to define a new environment whose contents can be typeset using a specific font family and size optionally specified as key-value pairs. For handling the key-value pairs I am using pgfkeys. Why ...
8
votes
3answers
1k views

How to write a class that accepts an optional key-value pair?

a user-defined class: \ProvidesClass{preview}[2012/12/15 v 0.01 class for creating a tight PSTricks diagram] \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}} \ProcessOptions\relax ...
5
votes
1answer
204 views

How do I use \ifcommandkey , or how do I check if a key was given?

I'm trying to create a keycommand with optional arguments, but I can't get it to work. I looked at Comparing an argument to a string when argument is a result of a command with etoolbox and although ...
53
votes
4answers
3k views

How to create a command with key values?

I am trying to create a command that the user can enter keys for values. How can I create one, for example: \myparbox[width=50,height=10,color=blue, align=left -10px]{}
8
votes
3answers
230 views

How to use named variables with one environment

Just after there is one code which has been proposed to me in this site. Instead of using \begin{MyFrame}[1.5cm][2pt][1.3cm][blue][2][8ex], I would like to use something more friendly like ...
11
votes
1answer
1k views

Use \setkeys{Gin} to set default scale value doesn’t work

I’d like to make all my graphic a little smaller and tried to set the scale-value of \includegraphics globally with \setkeys{Gin} but while changing width works fine scale has no effect. ...
4
votes
2answers
416 views

Pass several comma separated TikZ options to a single keyval key

I'm still improving my answer to Need help creating a 3D cube from a 2D set of nodes in TikZ. One of the options should be to emphasize the edges of the cuboid. This would mean e.g. \draw[red, very ...
7
votes
1answer
469 views

How to access the value of a biblatex package option/key

Is it possible to access a value which is given as a bibliography option. For example if I have \usepackage[somekey=foobar]{biblatex} can I get the value (foobar) of somekey as a macro like ...
45
votes
17answers
3k views

A big list of every keyval package

I lose track of all the different keyval packages. Can we maintain a list here? (Community wiki, one package per answer with a brief description of scope. I've started things off but need help ...
7
votes
2answers
2k views

How to control enumitem's description list via leftmargin and labelwidth keys

I am trying to learn how to use enumitem's keys to adjust a description list. In this case, I would like to have my list items and description text both left aligned, but the description text should ...
1
vote
2answers
137 views

What are the advantages and disadvantages between these coding styles?

Some people use the following style setting { a=1 ,b=2 ,c=3 } and the other ones use the style below setting { a=1, b=2, c=3 } I use the latter style but I wonder ...
3
votes
1answer
139 views

LaTeX3: problem with .generate_coices:n after l3kernel update

I'd like to report an issue I encountered with the l3keys sub-package of l3kernel (Hope it is ok to be done here). The test code at the end produces the error ! Undefined control sequence. ...
0
votes
1answer
1k views

Help! How to get the PDF-File? Error & Warnings lead to no pdf-file

I have a big problem. I am writing my phd thesis and started to use latex recently. I developed some basic skills that helped out me most time. But at the moment I dont know how to solve the problem. ...
6
votes
2answers
1k views

TikZ: Track the bounding rectangle of created nodes (Storing values?)

In the main part of the tikzpicture I'd like to simply create blocks. So I need somewhere in theirs' style definition to perform tracking of their common bounding rectangle. I've tried to access ...
7
votes
1answer
931 views

Building keyval arguments using a macro.

I try to create the arguments for a package which uses keyval, with macro, but this does not work: Here is the demo code: \documentclass{minimal} \usepackage{listings} \lstset{language=Pascal} ...
15
votes
3answers
3k views

A package template using xkeyval?

I would like to write a package offering a number of commands. The package should accept options, and some of these options should be available as command options. Usage should be as follows: ... ...
30
votes
1answer
3k views

How can I make a package that accepts an optional argument?

I am writing a package that has a bunch of values that are going to be the same most of the time, but that I might want to change in select cases. I want to do this by giving this package an optional ...
2
votes
2answers
127 views

How to assign a key of a package a key value of another package?

Scenario 1 Actually I can do like this: In mylistings.sty, I define \def\tabsize{3} \RequirePackage{listings} \lstset{tabsize=\tabsize} and in mytable.sty, I define \RequirePackage{mylistings} ...