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在 beamer 中使用 authoryear-comp 进行超链接

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在 beamer 中使用 authoryear-comp 进行超链接

考虑以下 MWE：

\documentclass{beamer}

\usepackage{xpatch}
\usepackage{lmodern}

\usepackage[style=authoryear-comp,backend=biber]{biblatex}
\addbibresource{biblatex-examples.bib}

\hypersetup{colorlinks=true}

% Combine label and labelyear links
\xpatchbibmacro{cite}
{\usebibmacro{cite:label}%
\setunit{\addspace}%
\usebibmacro{cite:labelyear+extrayear}}
{\printtext[bibhyperref]{%
    \DeclareFieldAlias{bibhyperref}{default}%
    \usebibmacro{cite:label}%
    \setunit{\addspace}%
    \usebibmacro{cite:labelyear+extrayear}}}{}{}

% Include labelname in labelyear link
\xpatchbibmacro{cite}
{\printnames{labelname}%
\setunit{\nameyeardelim}%
\usebibmacro{cite:labelyear+extrayear}}
{\printtext[bibhyperref]{%
    \DeclareFieldAlias{bibhyperref}{default}%
    \printnames{labelname}%
    \setunit{\nameyeardelim}%
    \usebibmacro{cite:labelyear+extrayear}}}{}{}

% Access hyperref's citation link start/end commands
\makeatletter
\protected\def\blx@imc@biblinkstart{%
\@ifnextchar[%]
    {\blx@biblinkstart}
    {\blx@biblinkstart[\abx@field@entrykey]}}
\def\blx@biblinkstart[#1]{%
\blx@sfsave\hyper@natlinkstart{\the\c@refsection @#1}\blx@sfrest}
\protected\def\blx@imc@biblinkend{%
\blx@sfsave\hyper@natlinkend\blx@sfrest}
\blx@regimcs{\biblinkstart \biblinkend}
\makeatother

\newbool{cbx:link}

% Include parentheses around labelyear in \textcite only in
% single citations without pre- and postnotes
\def\iflinkparens{%
\ifboolexpr{ test {\ifnumequal{\value{multicitetotal}}{0}} and
            test {\ifnumequal{\value{citetotal}}{1}} and
            test {\iffieldundef{prenote}} and
            test {\iffieldundef{postnote}} }}

\xpatchbibmacro{textcite}
{\printnames{labelname}}
{\iflinkparens
    {\DeclareFieldAlias{bibhyperref}{default}%
    \global\booltrue{cbx:link}\biblinkstart%
    \printnames{labelname}}
    {\printtext[bibhyperref]{\printnames{labelname}}}}{}{}

\xpatchbibmacro{textcite}
{\usebibmacro{cite:label}}
{\iflinkparens
    {\DeclareFieldAlias{bibhyperref}{default}%
    \global\booltrue{cbx:link}\biblinkstart%
    \usebibmacro{cite:label}}
    {\usebibmacro{cite:label}}}{}{}

\xpretobibmacro{textcite:postnote}
{\ifbool{cbx:link}% patch 2.7+
    {\ifbool{cbx:parens}
        {\bibcloseparen\global\boolfalse{cbx:parens}}
        {}%
        \biblinkend\global\boolfalse{cbx:link}}
        {}}
{}
{\xpatchbibmacro{textcite}% patch earlier releases
    {\setunit{%
        \ifbool{cbx:parens}
        {\bibcloseparen\global\boolfalse{cbx:parens}}
        {}%
        \multicitedelim}}
    {\ifbool{cbx:link}
        {\ifbool{cbx:parens}
        {\bibcloseparen\global\boolfalse{cbx:parens}}
        {}%
        \biblinkend\global\boolfalse{cbx:link}}
        {}%
    \setunit{%
        \ifbool{cbx:parens}
        {\bibcloseparen\global\boolfalse{cbx:parens}}
        {}%
        \multicitedelim}}
    {}{}}

\begin{document}
\begin{frame}
  \textcite{knuth:ct:e}
\end{frame}
\begin{frame}
  \frametitle{Bibliography}
  \printbibliography
\end{frame}
\end{document}

因为我希望引用中的超链接包含作者姓名而不仅仅是年份，所以我在以 开头的行之后使用了\hypersetup以下代码回答。但是这样做我得到了错误：Undefined control sequence。

问题可能出在这部分代码：

\xpatchbibmacro{textcite}
    {\printnames{labelname}}
    {\iflinkparens
        {\DeclareFieldAlias{bibhyperref}{default}%
        \global\booltrue{cbx:link}\biblinkstart%
        \printnames{labelname}}
        {\printtext[bibhyperref]{\printnames{labelname}}}}{}{}

当我删除它时，错误消失了，但我没有得到超链接作者和年份的期望结果。

答案1

如果你将代码中有问题的部分替换为

\xpatchbibmacro{textcite}
{\printnames{labelname}}
{\printtext[bibhyperref]{\printnames{labelname}}}{}{}

您将获得可点击的作者姓名和年份。只有括号之间的空格仍然不可点击。这是否足够可点击？

在此处输入图片描述

\documentclass{beamer}

\usepackage{xpatch}
\usepackage{lmodern}

\usepackage[style=authoryear-comp,backend=biber]{biblatex}
\addbibresource{biblatex-examples.bib}

\hypersetup{colorlinks=true}

% Combine label and labelyear links
\xpatchbibmacro{cite}
{\usebibmacro{cite:label}%
    \setunit{\addspace}%
    \usebibmacro{cite:labelyear+extrayear}}
{\printtext[bibhyperref]{%
        \DeclareFieldAlias{bibhyperref}{default}%
        \usebibmacro{cite:label}%
        \setunit{\addspace}%
        \usebibmacro{cite:labelyear+extrayear}}}{}{}

% Include labelname in labelyear link
\xpatchbibmacro{cite}
{\printnames{labelname}%
    \setunit{\nameyeardelim}%
    \usebibmacro{cite:labelyear+extrayear}}
{\printtext[bibhyperref]{%
        \DeclareFieldAlias{bibhyperref}{default}%
        \printnames{labelname}%
        \setunit{\nameyeardelim}%
        \usebibmacro{cite:labelyear+extrayear}}}{}{}

% Access hyperref's citation link start/end commands
\makeatletter
\protected\def\blx@imc@biblinkstart{%
    \@ifnextchar[%]
    {\blx@biblinkstart}
    {\blx@biblinkstart[\abx@field@entrykey]}}
\def\blx@biblinkstart[#1]{%
    \blx@sfsave\hyper@natlinkstart{\the\c@refsection @#1}\blx@sfrest}
\protected\def\blx@imc@biblinkend{%
    \blx@sfsave\hyper@natlinkend\blx@sfrest}
\blx@regimcs{\biblinkstart \biblinkend}
\makeatother

\newbool{cbx:link}

% Include parentheses around labelyear in \textcite only in
% single citations without pre- and postnotes
\def\iflinkparens{%
    \ifboolexpr{ test {\ifnumequal{\value{multicitetotal}}{0}} and
        test {\ifnumequal{\value{citetotal}}{1}} and
        test {\iffieldundef{prenote}} and
        test {\iffieldundef{postnote}} }}

%\xpatchbibmacro{textcite}
%{\printnames{labelname}}
%{\iflinkparens
%   {\DeclareFieldAlias{bibhyperref}{default}%
%       \global\booltrue{cbx:link}\biblinkstart%
%       \printnames{labelname}}
%   {\printtext[bibhyperref]{\printnames{labelname}}}}{}{}

\xpatchbibmacro{textcite}
{\printnames{labelname}}
{\printtext[bibhyperref]{\printnames{labelname}}}{}{}

\xpatchbibmacro{textcite}
{\usebibmacro{cite:label}}
{\iflinkparens
    {\DeclareFieldAlias{bibhyperref}{default}%
        \global\booltrue{cbx:link}\biblinkstart%
        \usebibmacro{cite:label}}
    {\usebibmacro{cite:label}}}{}{}

\xpretobibmacro{textcite:postnote}
{\ifbool{cbx:link}% patch 2.7+
    {\ifbool{cbx:parens}
        {\bibcloseparen\global\boolfalse{cbx:parens}}
        {}%
        \biblinkend\global\boolfalse{cbx:link}}
    {}}
{}
{\xpatchbibmacro{textcite}% patch earlier releases
    {\setunit{%
            \ifbool{cbx:parens}
            {\bibcloseparen\global\boolfalse{cbx:parens}}
            {}%
            \multicitedelim}}
    {\ifbool{cbx:link}
        {\ifbool{cbx:parens}
            {\bibcloseparen\global\boolfalse{cbx:parens}}
            {}%
            \biblinkend\global\boolfalse{cbx:link}}
        {}%
        \setunit{%
            \ifbool{cbx:parens}
            {\bibcloseparen\global\boolfalse{cbx:parens}}
            {}%
            \multicitedelim}}
    {}{}}

\begin{document}
    \begin{frame}
        \textcite{knuth:ct:e}
    \end{frame}
    \begin{frame}
        \frametitle{Bibliography}
        \printbibliography
    \end{frame}
\end{document}

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