3

I want to create a command alternative to \ref to distinguish links between 2 different colours (say, black and red).

In my code below I have simply use the answer here and replaced \href with \ref. It does not work but I don't know how to fix it.

\documentclass[10 pt,a4paper,oneside,openany, notitlepage]{article}
\usepackage[usenames,dvipsnames]{xcolor}
\usepackage{amsmath, amssymb, graphics}

\usepackage[colorlinks = true,
            linkcolor = black,
            urlcolor  = black,
            citecolor = black,
            anchorcolor = black]{hyperref}

\newcommand\MYref[3][red]{\ref{#2}{\color{#1}{#3}}}% %NEW COMMAND ALTERNATIVE TO REF


\begin{document}

\section{Title}
\label{blah}
\begin{equation}
\label{eq1}
A=B
\end{equation}

See Section \MYref{blah2}

See Equation \ref{eq1} or \MYref{eq1}

\newpage
\section{Title2}
\label{blah2}

\end{document}

What I want is the link (to an equation, section, subsection, figure, etc) displaying in red when I use \Myref and displaying in black when I use \ref.

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3
  • 1
    Your setup is confusing: You define \MYref as taking 3 arguments (one being optional) in the preamble, yet to invoke the macro with just 1 argument in the body of the document. Please clarify what you're trying to achieve.
    – Mico
    Commented Mar 1, 2017 at 15:21
  • 1
    As Mico says, what are you trying to do and why have you removed the color of the hyperlink? If you just want certain hyplerlinked references to be colored, then that can easily be done via local color redefinitions. But please explainwhat exactly you are trying to do
    – daleif
    Commented Mar 1, 2017 at 15:25
  • Your not using the 3rd argument actually and article does not know the openany option
    – user31729
    Commented Mar 1, 2017 at 15:38

1 Answer 1

Reset to default
2

Use the \hypersetup{linkcolor=red} command in a \begingroup...\endgroup pair within your \MYref pair.

I've used xparse to provide the 3rd. optional argument which is not given here at all in the examples. 

\documentclass[10 pt,a4paper,oneside, notitlepage]{article}
\usepackage[usenames,dvipsnames]{xcolor}
\usepackage{amsmath, amssymb, graphics}

\usepackage[colorlinks = true,
            linkcolor = black,
            urlcolor  = black,
            citecolor = black,
            anchorcolor = black]{hyperref}

\usepackage{xparse}

\NewDocumentCommand{\MYref}{O{red}mo}{%
  \begingroup
  \hypersetup{linkcolor=#1}%
  \ref{#2}%
  \IfValueT{#3}{%
    \color{#1}{#3}%
  }%
  \endgroup
}% %NEW COMMAND ALTERNATIVE TO REF

\newcommand\MYreforig[3][red]{\begingroup\hypersetup{linkcolor=#1}\ref{#2}{\color{#1}{#3}}\endgroup}% %NEW COMMAND ALTERNATIVE TO REF


\begin{document}

\section{Title}
\label{blah}
\begin{equation}
\label{eq1}
A=B
\end{equation}

See Section \MYref{blah2}

See Equation \ref{eq1} or \MYref{eq1}

\newpage
\section{Title2}
\label{blah2}

\end{document}
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6
  • 1
    perhaps easier to just change the color, \colorlet{linkColor}{black} and set linkcolor = linkColor in the preamble. Then \colorlet{linkColor}{#1} in the macro instead of the \hypersetup (BTW shouldn't linkcolor=red be linkcolor=#1 in your code?)
    – daleif
    Commented Mar 1, 2017 at 15:55
  • @daleif: Yes, it should be #1 instead of red, that was too fast by me. The idea with \colorlet is very nice, in fact.
    – user31729
    Commented Mar 1, 2017 at 15:57
  • @ChristianHupfer the code above creates problem when used in footnotes and when used with figures
    – Star
    Commented Mar 1, 2017 at 16:09
  • @user3285148: Which problems? There are no footnotes or figures in your example file
    – user31729
    Commented Mar 1, 2017 at 16:11
  • Apologies, I have just seen the new \MYref which works perfectly also with footnotes and figures. \MYreforig when used inside a footnote does not put a space after the link (the same with figures). Thank you
    – Star
    Commented Mar 1, 2017 at 16:16

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