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longtblr 標題隨著表格寬度的減小而縮小

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longtblr 標題隨著表格寬度的減小而縮小

我在使用“Redefine TblrTemplates”時發現了一些小問題。這個重新定義的範本用於將 longtblr 標題左對齊。

如果表格的標題夠長，我的格式要求它掛在下一行。如果表格寬度等於文字寬度，則表格標題將完美懸掛在下一行。當表格寬度不等於文字寬度時會出現問題。正如您所看到的，標題隨著表格寬度的減小而縮小。

我確實嘗試了帶有標題包的解決方案，

\captionsetup{width=1\textwidth}

但它不起作用，因為 longtblr 在它自己的環境中運行。

我做了一些研究並發現了一些答案這裡。該解決方案似乎解決了標題寬度的問題，但由於某種原因，標題不再懸掛。另外，這個答案這裡解決了標題懸掛的問題，但也縮小了標題。當我嘗試將這兩種方法結合起來時，我失敗了。

我的程式設計知識不足，無法修改 Tabularray 原始碼。為了實現掛在下一行並具有文字寬度的表格標題，我非常需要幫助。任何建議或答案表示讚賞。

\documentclass{article}
\usepackage{tabularray}
\usepackage[singlelinecheck=off]{caption}
    \captionsetup[table]{format=hang}

% Redefined TblrTemplates
\ExplSyntaxOn
\DefTblrTemplate{caption}{normal}{
    \hbox_set:Nn \l__tblr_caption_box{
        \UseTblrTemplate{caption-tag}{default}
        \UseTblrTemplate{caption-sep}{default}
        \UseTblrTemplate{caption-text}{default}
        }
    \dim_compare:nNnTF{\box_wd:N \l__tblr_caption_box}>{\hsize}{
        \UseTblrAlign{caption}
        \UseTblrIndent{caption}
        \hbox_set:Nn \l__tblr_caption_left_box{
            \UseTblrTemplate{caption-tag}{default}
            \UseTblrTemplate{caption-sep}{default}
            }
        \hangindent=\box_wd:N \l__tblr_caption_left_box
        \hangafter=1
        \UseTblrHang{caption}
        \leavevmode
        \hbox_unpack:N \l__tblr_caption_box
        \par
        }{
        \centering
        \makebox[\hsize][l]{\box_use:N \l__tblr_caption_box}
        \par
        }}
  
\DefTblrTemplate{capcont}{normal}{
    \hbox_set:Nn \l__tblr_caption_box{
        \UseTblrTemplate{caption-tag}{default}
        \UseTblrTemplate{caption-sep}{default}
        \UseTblrTemplate{caption-text}{default}
        \space
        \UseTblrTemplate{conthead-text}{default}
        }
    \dim_compare:nNnTF{\box_wd:N \l__tblr_caption_box}>{\hsize}{
        \UseTblrAlign{capcont}
        \UseTblrIndent{capcont}
        \hbox_set:Nn \l__tblr_caption_left_box{
            \UseTblrTemplate{caption-tag}{default}
            \UseTblrTemplate{caption-sep}{default}
            }
        \hangindent=\box_wd:N \l__tblr_caption_left_box
        \hangafter=1
        \UseTblrHang{capcont}
        \leavevmode
        \hbox_unpack:N \l__tblr_caption_box
        \par
        }{
        \centering
        \makebox[\hsize][l]{\box_use:N \l__tblr_caption_box}
        \par
        }}
  
\SetTblrTemplate{caption}{normal}
\SetTblrTemplate{capcont}{normal}
\ExplSyntaxOff

\begin{document}

\begin{table}[h]
    \caption{This is a normal table caption using a table environment. If the table's caption is long enough, the formatting requires it to hang on the next line}
    \centering
\begin{tblr}{
    width=0.5\linewidth,
    colspec={XXX},
    hlines, vlines
    }
Head & Head & Head \\
Head & Data & Data \\
\end{tblr}
\end{table}

\begin{longtblr}[
    caption={This is a long table that uses "Redefined TblrTemplates" suggested by @samcarter\_is\_at\_topanswers.xyz. The table caption was hanging perfectly on the next line with no problems}
    ]{
    colspec={XXX},
    hlines, vlines,
    rowhead=1
    }
Head & Head & Head \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
\end{longtblr}

\begin{longtblr}[
    caption={The problem occurred when the width of the table didn't equal the text width. As you can see, the caption shrunk as the table width decreased}
    ]{
    colspec={*3{X[2cm]}},
    hlines, vlines,
    rowhead=1
    }
Head & Head & Head \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
\end{longtblr}


\end{document}

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答案1

這是保持表格居中的解決方案。根據https://tex.stackexchange.com/a/630675/113546

\documentclass{article}
\usepackage{tabularray}
\usepackage[singlelinecheck=off]{caption}
    \captionsetup[table]{format=hang}

% Redefined TblrTemplates
\ExplSyntaxOn
\DefTblrTemplate{caption}{normal}{
\makebox[\hsize][c]{% see https://tex.stackexchange.com/a/630675/113546
  \parbox{\textwidth}{%
    \hbox_set:Nn \l__tblr_caption_box{
        \UseTblrTemplate{caption-tag}{default}
        \UseTblrTemplate{caption-sep}{default}
        \UseTblrTemplate{caption-text}{default}
        }
    \dim_compare:nNnTF{\box_wd:N \l__tblr_caption_box}>{\hsize}{
        \UseTblrAlign{caption}
        \UseTblrIndent{caption}
        \hbox_set:Nn \l__tblr_caption_left_box{
            \UseTblrTemplate{caption-tag}{default}
            \UseTblrTemplate{caption-sep}{default}
            }
        \hangindent=\box_wd:N \l__tblr_caption_left_box
        \hangafter=1
        \UseTblrHang{caption}
        \leavevmode
        \hbox_unpack:N \l__tblr_caption_box
        \par
        }{
        \centering
        \makebox[\hsize][l]{\box_use:N \l__tblr_caption_box}
        \par
        }}
    }
  }
  
\DefTblrTemplate{capcont}{normal}{
\makebox[\hsize][c]{% see https://tex.stackexchange.com/a/630675/113546
  \parbox{\textwidth}{%
    \hbox_set:Nn \l__tblr_caption_box{
        \UseTblrTemplate{caption-tag}{default}
        \UseTblrTemplate{caption-sep}{default}
        \UseTblrTemplate{caption-text}{default}
        \space
        \UseTblrTemplate{conthead-text}{default}
        }
    \dim_compare:nNnTF{\box_wd:N \l__tblr_caption_box}>{\hsize}{
        \UseTblrAlign{capcont}
        \UseTblrIndent{capcont}
        \hbox_set:Nn \l__tblr_caption_left_box{
            \UseTblrTemplate{caption-tag}{default}
            \UseTblrTemplate{caption-sep}{default}
            }
        \hangindent=\box_wd:N \l__tblr_caption_left_box
        \hangafter=1
        \UseTblrHang{capcont}
        \leavevmode
        \hbox_unpack:N \l__tblr_caption_box
        \par
        }{
        \centering
        \makebox[\hsize][l]{\box_use:N \l__tblr_caption_box}
        \par
        }}
    }
  }
  
\SetTblrTemplate{caption}{normal}
\SetTblrTemplate{capcont}{normal}
\ExplSyntaxOff

\begin{document}

\begin{table}[h]
    \caption{This is a normal table caption using a table environment. If the table's caption is long enough, the formatting requires it to hang on the next line}
    \centering
\begin{tblr}{
    width=0.5\linewidth,
    colspec={XXX},
    hlines, vlines
    }
Head & Head & Head \\
Head & Data & Data \\
\end{tblr}
\end{table}

\begin{longtblr}[
    caption={This is a long table that uses "Redefined TblrTemplates" suggested by @samcarter\_is\_at\_topanswers.xyz. The table caption was hanging perfectly on the next line with no problems}
    ]{
    colspec={XXX},
    hlines, vlines,
    rowhead=1
    }
Head & Head & Head \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
\end{longtblr}

\begin{longtblr}[
    caption={The problem occurred when the width of the table didn't equal the text width. As you can see, the caption shrunk as the table width decreased}
    ]{
    colspec={*3{X[2cm]}},
    hlines, vlines,
    rowhead=1
    }
Head & Head & Head \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
Head & Data & Data \\ Head & Data & Data \\
\end{longtblr}


\end{document}

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