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投影機中帶有authoryear-comp的超鏈接

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投影機中帶有authoryear-comp的超鏈接

考慮以下 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}

由於我希望引文中的超連結包含作者姓名而不僅僅是年份，因此我在以 開頭的行之後使用\hypersetup此程式碼回答。但是，透過這樣做，我收到錯誤：Undefined control sequence。

問題可能出在這部分程式碼：

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

當我刪除它時，錯誤消失了，但我沒有得到超連結作者和年份的預期結果。

答案1

如果您將程式碼中有問題的部分替換為

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

您將獲得可點擊的作者姓名和年份。只有之間的空格和括號仍然不可點選。這是否足夠可點擊？

在此輸入影像描述

\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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