LaTeX 半逐字和 fancyvrb

发布于 2024-08-04 00:50:31 字数 497 浏览 1 评论 0原文

我正在使用 beamer LaTex 包创建演示文稿。投影仪带有一个名为“semiverbatim”的环境，就像 “逐字”，但允许您在环境中放置命令。这在投影仪中非常有用，可以控制帧的叠加方式展开。例如：

\begin{frame}[fragile, shrink]
  \frametitle{Some Code Sample}
\begin{semiverbatim}
private String foobar() \{
    String s = "val"
    \alert<2->{s = null};}
    return s;
\}
\end{semiverbatim}
\end{frame}

这将导致第三行在第二阶段显示为红色帧过渡。

这一切都很好，然而，“半逐字”的环境，就像“逐字记录”环境一样，非常有限。我想使用 fancyvrb 包中的“Verbatim”环境。

无论如何，是否可以像“半逐字”一样使用“逐字” 用过的？

原文

I'm creating a presentation using the beamer LaTex package. Beamer
comes with an environment called "semiverbatim" which is like
"verbatim", but allows you to place commands inside the environment.
This is useful in beamer to control how the overlays of a frame
unfold. For example:

\begin{frame}[fragile, shrink]
  \frametitle{Some Code Sample}
\begin{semiverbatim}
private String foobar() \{
    String s = "val"
    \alert<2->{s = null};}
    return s;
\}
\end{semiverbatim}
\end{frame}

This will cause the third line to appear red in the second stage of
the frame transition.

This is all good and fine, however, the "semiverbatim" environment,
much like the "verbatim" environment, is pretty limited. I would like
to use the "Verbatim" environment from the fancyvrb package.

Is there anyway to use "Verbatim" in the same way "semiverbatim" is
used?

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捂风挽笑 2024-08-11 00:50:31

恐怕我运气不太好。我可以让 \alert 正常工作，但只有没有覆盖规范：

\documentclass{beamer}
\usepackage{fancyvrb}
\begin{document}
\begin{frame}[fragile]
\frametitle{Some Code Sample}
\begin{Verbatim}[commandchars={\\[]}]
private String foobar() {
    String s = "val"
    \alert[s = null];}
    return s;
}
\end{Verbatim}
\end{frame}
\end{document}

当您尝试 \alert<2-> 时，它会中断，并且更改 < 和 > 的 catcode 似乎没有帮助。

I'm not having much luck, I'm afraid. I can get the \alert to work okay, but only without an overlay specification:

\documentclass{beamer}
\usepackage{fancyvrb}
\begin{document}
\begin{frame}[fragile]
\frametitle{Some Code Sample}
\begin{Verbatim}[commandchars={\\[]}]
private String foobar() {
    String s = "val"
    \alert[s = null];}
    return s;
}
\end{Verbatim}
\end{frame}
\end{document}

When you try \alert<2-> it breaks, and changing catcodes of < and > doesn't seem to help.

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