On 12/31/19 3:11 PM, Hal Kierstead wrote:
>
>> On Dec 31, 2019, at 12:52 PM, Paul A. Rubin <[email protected]> wrote:
>>
>> On 12/31/19 11:26 AM, Hal Kierstead wrote:
>>> All -
>>>
>>> I would like to display some text and math, and have a tag that I can
>>> reference, something like in the attached files that I generated with LyX.
>>> My efforts seem clumsy, and I was wondering if any one had a better idea.
>>>
>>> Thanks,
>>>
>>> Hal
>>>
>> Since you are using enumitem, with one tweak to the preamble (to get rid of
>> a default colon) you can use the "Labeling" environment (the "List" tool bar
>> button, one right of the button to insert itemized lists). The margins of
>> the inset are not identical to what you have, but it might suffice. I've
>> attached a hacked version of your file.
>>
>> Paul
>>
>> <DisplayedText.lyx>--
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> Thanks, Paul. I had thought of this, and I should be able to adjust the left
> and right edges of the text to get what I want, but I could not figure out
> how to do it with enumitem.
>
> I think my desired construct is one that others might find useful. For
> instance I see it in textbooks.
Certainly the best way to do this is to define some environment with a
label, etc. and appropriate sorts of margins. I'm attaching a module I
wrote to do something similar. The right margin can be adjusted by
redefining \rightmargin within the list.
For enumitem, there's a very nice explanation of list parameters in the
docs, here:
http://ctan.math.utah.edu/ctan/tex-archive/macros/latex/contrib/enumitem/enumitem.pdf
See p. 3. You can just do things like:
\begin{description}[rightmargin = 1em]
\item ....
\end{description}
in LaTeX, of course. In LyX, you do Insert> Itemize Options on the first
item, and put "rightmargin = ..." into that inset. For one-off uses,
this would be fine.
To define a new list type, we can use enumitem like this:
\newlist{mydesc}{description}{1}
\setlist{mydesc}{rightmargin=1em}
This would act exactly like the regular description environment, but
with a right margin of 1em. You can add other modifiers to the setlist
command as you wish (e.g., font=\sffamily\bfseries to set the label font
to bold sans serif). And now we can do this in local layout, or in a module:
Style MyDesc
CopyStyle description
LatexName mydesc
Premable
\newlist{mydesc}{description}{1}
\setlist{mydesc}{rightmargin=1em}
EndPreamble
End
Riki
#\DeclareLyXModule{Formula}
#DescriptionBegin
#An environment for numbered formulas.
#DescriptionEnd
Format 64
Counter formula
Within chapter
End
Counter thesis
Within chapter
End
Style Formula
Margin First_Dynamic
LatexType Item_Environment
LatexName Formula
NextNoIndent 1
LabelSep xxxxxx
LeftMargin MMM
ParSkip 0.4
ItemSep 0.2
TopSep 0.7
BottomSep 0.7
ParSep 0.3
Align Block
AlignPossible Block, Left
LabelType Static
LabelCounter formula
LabelString "(\arabic{formula})"
LabelFont
Shape Up
Series Bold
EndFont
Preamble
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Formula module
%
\usepackage{calc}
%\usepackage{ifthen}
\newcounter{formula}
\def\@rh@item{\refstepcounter{formula}\olditem}
\def\@rh@opt@item[#1]{\protected@edef\@currentlabel{#1}\olditem[#1]}
\newenvironment{Formula}%
{\begin{list}{\theformula}{%
\setlength{\labelwidth}{\leftmargin - \labelsep}%
\let\olditem=\item%
\renewcommand{\item}{\@ifnextchar[\@rh@opt@item\@rh@item}%
\renewcommand{\makelabel}[1]{(##1)\hfil}}%
}{\end{list}}
\@ifpackageloaded{refstyle}{%
\newref{for}{%
refcmd = {(\ref{#1})},
rngtxt = \RSrngtxt,
lsttwotxt = \RSlsttwotxt,
lsttxt = \RSlsttxt}}
{}
\@ifpackageloaded{prettyref}{%
\newrefformat{For}{(\ref{#1})}
\newrefformat{for}{(\ref{#1})}}
{}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
EndPreamble
RefPrefix for
End
Style Formula_Restate
DependsOn Formula
CopyStyle Formula
LabelType Static
LabelCounter ""
LabelString "(REF)"
Preamble
EndPreamble
# Unfortunately, this becomes the argument to the enviroment,
# not to the item.
# Argument 1
# AutoInsert 1
# LabelString "Label"
# EndArgument
End
Style Thesis
Margin First_Dynamic
LatexType Item_Environment
LatexName Thesis
NextNoIndent 1
LabelSep xxxxxx
LeftMargin MMM
ParSkip 0.4
ItemSep 0.2
TopSep 0.7
BottomSep 0.7
ParSep 0.3
Align Block
AlignPossible Block, Left
LabelType Static
LabelCounter thesis
LabelString "Thesis \arabic{thesis}"
LabelFont
Shape Up
Series Bold
EndFont
Preamble
\usepackage{calc}
%\usepackage{ifthen}
\newcounter{thesis}
\def\@rht@item{\refstepcounter{thesis}\olditem}
\def\@rht@opt@item[#1]{\protected@edef\@currentlabel{#1}\olditem[#1]}
\newenvironment{Thesis}%
{\begin{list}{\thethesis}{%
\setlength{\labelwidth}{\leftmargin - \labelsep}%
\let\olditem=\item%
\renewcommand{\item}{\@ifnextchar[\@rht@opt@item\@rht@item}%
\renewcommand{\makelabel}[1]{\textbf{Thesis ##1}\hfil}}%
}{\end{list}}
\@ifpackageloaded{refstyle}
{%
\newref{ths}{%
refcmd = {Thesis \ref{#1}},
rngtxt = \RSrngtxt,
lsttwotxt = \RSlsttwotxt,
lsttxt = \RSlsttxt}}
{}
\@ifpackageloaded{prettyref}{%
\newrefformat{ths}{Thesis \ref{#1}}}
{}
EndPreamble
RefPrefix ths
End
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