[texhax] minipage conditional

[Vafa Khalighi]

Ok. putting it anywhere inside \@iiiminipage, make it work.

On Tue, Jun 21, 2011 at 7:26 PM, Vafa Khalighi <vafa018 at gmail.com> wrote:

> Thanks but that makes no change either. It still returns "false".
>
>
> On Tue, Jun 21, 2011 at 6:53 PM, Uwe Lueck <uwe.lueck at web.de> wrote:
>
>> "Vafa Khalighi" <vafa018 at gmail.com> wrote 21.06.2011 09:49:42:
>> > The minipage environment accepts b, t, and few others as the position of
>> the minipage.
>> > I want \test macro return "true" if it is used inside minipage with b
>> position
>> > and otherwise return "false". I do not know if there is a better way but
>> this is what I did:
>> >
>> >
>> > \documentclass{article}
>> > \makeatletter
>> > \newif\if at test
>> > \long\def\@iiiparbox#1#2[#3]#4#5{%
>> >   \leavevmode
>> >   \@pboxswfalse
>> >   \setlength\@tempdima{#4}%
>> >   \@begin at tempboxa\vbox{\hsize\@tempdima\@parboxrestore#5\@@par}%
>> >     \ifx\relax#2\else
>> >       \setlength\@tempdimb{#2}%
>> >       \edef\@parboxto{to\the\@tempdimb}%
>> >     \fi
>> >     \if#1b\@testtrue\vbox%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% this is
>> where I made \if at test true
>> >     \else\if #1t\vtop
>> >     \else\ifmmode\vcenter
>> >     \else\@pboxswtrue $\vcenter
>> >     \fi\fi\fi
>> >     \@parboxto{\let\hss\vss\let\unhbox\unvbox
>> >        \csname bm@#3\endcsname}%
>> >     \if at pboxsw \m at th$\fi
>> >   \@end at tempboxa}
>> > \def\test{\if at test true\else false\fi}
>> > \makeatother
>> > \begin{document}
>> > \begin{minipage}[b]{0.5\textwidth}
>> > \test
>> > \end{minipage}
>> > \end{document}
>> >
>> > But it returns "false". Why is this?
>>
>> Probably because you issue \@testtrue *after* the content of the box
>> -- #5 -- is evaluated.
>>
>> > how can I fix it? Is it a better way for doing what I want to do?
>>
>> I would remove your \@testtrue and add \if#1b\@testtrue\fi
>> right to the left of #5 (in the replacement text).
>>
>> HTH -- Uwe.
>>
>
>
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