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Beamer 标题在节点内 - 换行符

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Beamer 标题在节点内 - 换行符

我正在创建自己的beamer主题，我构思的标题页的方式需要将标题放在节点内tikzpicture，形式如下：

    \node [anchor=center] (title) at ($(box)+(0,.25)$) {%
    \color{white}
        {\usebeamerfont{title}\inserttitle}
        };

它运行完美，直到我需要插入长标题并且需要换行......

如果我做：

\title[academic background \& research experience]
  {Academic background \& \\ Research experience}

我收到错误：

 ! LaTeX Error: Something's wrong--perhaps a missing \item.

如果我这么做：

\usepackage{pbox}
\title[academic background \& research experience]
  {\pbox{20cm}{Academic background \& \\ Research experience}}

我收到警告：

 Package hyperref Warning: Token not allowed in a PDF string (PDFDocEncoding):
 (hyperref) removing `\pbox '

有人知道这里发生了什么事吗？

编辑：请在下面找到 MWE（我在文件中有相关的行.sty，但将它们添加到里面\mode<presentation>{}也可以）

\documentclass[ignorenonframetext]{beamer}


\mode<presentation> {
    \usetheme{Berkeley}
    \usecolortheme{albatross}

    %PACKAGES, LIBRARIES AND ENVIRONMENTS HERE 
    \usepackage{tikz}
    \usetikzlibrary{calc} 

    \title[academic background \& research experience]{Academic background \& Research experience}

    \author{Name Surname}
    \date[\today]{\today}

    \setbeamertemplate{title page}{

    \begin{tikzpicture}[remember picture,overlay, every node/.style={inner sep=0,outer sep=0}]
        \node [rectangle, fill=gray, anchor=north east, minimum width=.86\paperwidth, minimum height=3cm] (box) at (current page.north east){};


        \node [anchor=center] (title) at ($(box)+(0,.25)$) {%
        \color{white}
            {\usebeamerfont{title}\inserttitle}
            };

            \ifx\insertauthor\@empty
        \else
        \node [anchor=west] (author) at ($(title.south west)-(0,.5)$) {%
        \color{white}
            {\usebeamerfont{author}\insertauthor}
            };
            \fi

            \ifx\insertdate\@empty
        \else
        \node [anchor=west] (date) at ($(title.south west)-(-.2,2)$) {%
        \color{blue}
            {\usebeamerfont{date}\insertdate}
            };
            \fi
    \end{tikzpicture}
    }
}


\begin{document}


\begin{frame}[plain]
%\frametitle{SCB Departmental WIP - July 2013}
\titlepage % Print the title page as the first slide
\end{frame}


\end{document}

答案1

只需将align=<value>钥匙交给title节点和/或使用text width=<length>，这样就可以允许换行。

这是一个将您的代码片段补充为完整示例的小例子：

\documentclass{beamer}
\usepackage{tikz}
\usetikzlibrary{calc}

\setbeamertemplate{title page}{%
\begin{tikzpicture}
 \node[text width=\textwidth,fill=cyan,minimum height=2cm] at (current page.center) (box) {};
 \node[anchor=center,align=center,text width=\linewidth,font=\color{white}\usebeamerfont{title}] (title) at ($(box)+(0,.25)$) 
   {\inserttitle};
\end{tikzpicture}%
}

\title[academic background \& research experience]{Academic background \& \\ Research experience}

\begin{document}

\begin{frame}
\maketitle
\end{frame}

\end{document}

在此处输入图片描述

Aldo，修改节点内容的字体最好使用font键来修改节点内容的字体（如我的示例所示），而不是直接在节点内容中进行修改（如您的代码所示）。

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