如何创建具有逐字环境的新 Beamer 环境？

发布于 2024-08-18 20:32:14 字数 997 浏览 4 评论 0原文

我正在创建一个 Beamer 演示文稿，其中包含大量 LaTeX 示例，并且必须在逐字环境中进行。我厌倦了打字，

\begin{example}
  \begin{verbatim}
  Verbatim Text
  \end{verbatim}
\end{example}

我希望创建一个新的命令或环境来为我速记此内容。我还需要它来处理块和定理，因为我也经常使用它们。但如果我能弄清楚示例，那么应该很容易转换为另一个示例。

我无法仅使用 \begin{verbatim} 创建新环境或命令，因为它会切断命令的其余部分。所以我改用 fancyvrb 包，并尝试了以下操作：

\DefineVerbatimEnvironment
{MyVerbatim}{Verbatim}{}

\newcommand{\makeexample}[1]{
    \begin{example}
        \begin{MyVerbatim}
        #1

        \end{MyVerbatim}
    \end{example}
}

\makeenvironment{VerbExample}{\begin{example}
    \begin{MyVerbatim}}{\end{MyVerbatim}\end{example}}

这给了我 \makeexample{Example Text} 命令和 \begin{VerbExample}...\end{VerbExample} 环境，但它们仍然会抛出错误编译。我尝试使用它们的框架看起来像这样（我在框架上有[脆弱]选项，所以不是那样）。

\begin{frame}[fragile]
    \frametitle{Why Doesn't Verbatim Work?}

    \makeexample{Verbatim Text}

    \begin{VerbExample}
        Verbatim Text
    \end{VerbExample}
\end{frame}

原文

I'm creating a Beamer presentation that has a lot of example LaTeX in it, which has to go in a verbatim environment. I'm getting tired of typing

\begin{example}
  \begin{verbatim}
  Verbatim Text
  \end{verbatim}
\end{example}

I wish to create a new command or environment that will shorthand this for me. I also need this for blocks and theorems, since I'm using those frequently as well. But if I can figure it out for examples, it should be easy to translate to another example.

I can't create a new environment or command using just \begin{verbatim}, since it cuts off the rest of the command. So I switched to using the fancyvrb package, and tried the following:

\DefineVerbatimEnvironment
{MyVerbatim}{Verbatim}{}

\newcommand{\makeexample}[1]{
    \begin{example}
        \begin{MyVerbatim}
        #1

        \end{MyVerbatim}
    \end{example}
}

\makeenvironment{VerbExample}{\begin{example}
    \begin{MyVerbatim}}{\end{MyVerbatim}\end{example}}

That gives me the \makeexample{Example Text} command, and the \begin{VerbExample}...\end{VerbExample} environment, but they both still throw errors on compile. The frame I'm trying to use them in looks like this (I've got the [fragile] option on the frame, so it's not that).

\begin{frame}[fragile]
    \frametitle{Why Doesn't Verbatim Work?}

    \makeexample{Verbatim Text}

    \begin{VerbExample}
        Verbatim Text
    \end{VerbExample}
\end{frame}

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岁月染过的梦 2024-08-25 20:32:14

环境定义：

\newenvironment{VerbExample}
{\example\semiverbatim}
{\endsemiverbatim\endexample}

框架定义：

\begin{frame}[fragile]
\frametitle{Title}
\begin{VerbExample}
test test test $t$ $\\omega$
test test
\end{VerbExample}
\end{frame}

Verbatim 不能进入 \newcommand 内部。 Semiverbatim 由 Beamer 定义并且可以很好地配合使用。三个字符 \ { } 必须转义为 \\ \{ <代码>\}。

来源：Beamer 用户指南，第 119-120 页
http://www.ctan.org/ tex-archive/macros/latex/contrib/beamer/doc/beameruserguide.pdf

Environment definition:

\newenvironment{VerbExample}
{\example\semiverbatim}
{\endsemiverbatim\endexample}

Frame definition:

\begin{frame}[fragile]
\frametitle{Title}
\begin{VerbExample}
test test test $t$ $\\omega$
test test
\end{VerbExample}
\end{frame}

Verbatim cannot go inside \newcommand. Semiverbatim is defined by Beamer and works well with it. The three characters \ { } must be escaped as \\ \{ \}.

Source: Beamer user guide, pp. 119-120
http://www.ctan.org/tex-archive/macros/latex/contrib/beamer/doc/beameruserguide.pdf

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