ucwmac.tex

   1 % The UCW Macro Collection (a successor of mjmac.tex)
   2 % Written by Martin Mares <mj@ucw.cz> in 2010--2018 and placed into public domain
   3 % -------------------------------------------------------------------------------
   4
   5 %%% Prolog %%%
   6
   7 % We'll use internal macros of plain TeX
   8 \catcode`@=11
   9
  10 \ifx\eTeXversion\undefined
  11 \errmessage{ucwmac requires the e-TeX engine or its successor}
  12 \fi
  13
  14 %%% PDF output detection %%%
  15
  16 \newif\ifpdf
  17 \pdffalse
  18
  19 \ifx\pdfoutput\undefined
  20 \else\ifnum\pdfoutput>0
  21         \pdftrue
  22         \pdfpkresolution=600    % Provide a reasonable default
  23 \fi\fi
  24
  25 %%% Page size and margins %%%
  26
  27 % If you modify these registers, call \setuppage afterwards
  28 \ifx\luatexversion\undefined
  29         % In LuaTeX, \pagewidth and \pageheight are primitive
  30         \newdimen\pagewidth
  31         \newdimen\pageheight
  32 \fi
  33 \newdimen\leftmargin
  34 \newdimen\rightmargin
  35 \newdimen\topmargin
  36 \newdimen\bottommargin
  37 \newdimen\evenpageshift
  38
  39 \def\setuppage{%
  40         \hsize=\pagewidth
  41         \advance\hsize by -\leftmargin
  42         \advance\hsize by -\rightmargin
  43         \vsize=\pageheight
  44         \advance\vsize by -\topmargin
  45         \advance\vsize by -\bottommargin
  46         \hoffset=\leftmargin
  47         \advance\hoffset by -1truein
  48         \voffset=\topmargin
  49         \advance\voffset by -1truein
  50         \ifpdf
  51                 \pdfhorigin=1truein
  52                 \pdfvorigin=1truein
  53                 \ifx\luatexversion\undefined
  54                         \pdfpagewidth=\pagewidth
  55                         \pdfpageheight=\pageheight
  56                 \fi
  57         \fi
  58 }
  59
  60 % Set multiple margins to the same value
  61 \def\sethmargins#1{\leftmargin=#1\relax\rightmargin=#1\relax\evenpageshift=0pt\relax}
  62 \def\setvmargins#1{\topmargin=#1\relax\bottommargin=#1\relax}
  63 \def\setmargins#1{\sethmargins{#1}\setvmargins{#1}}
  64
  65 % Define inner/outer margin instead of left/right
  66 \def\setinneroutermargin#1#2{\leftmargin#1\relax\rightmargin#2\relax\evenpageshift=\rightmargin\advance\evenpageshift by -\leftmargin}
  67
  68 % Use a predefined paper format, calls \setuppage automagically
  69 \def\setpaper#1{%
  70         \expandafter\let\expandafter\currentpaper\csname paper-#1\endcsname
  71         \ifx\currentpaper\relax
  72                 \errmessage{Undefined paper format #1}
  73         \fi
  74         \currentpaper
  75 }
  76
  77 % Switch to landscape orientation, calls \setuppage automagically
  78 \def\landscape{%
  79         \dimen0=\pageheight
  80         \pageheight=\pagewidth
  81         \pagewidth=\dimen0
  82         \setuppage
  83 }
  84
  85 % Common paper sizes
  86 \def\defpaper#1#2#3{\expandafter\def\csname paper-#1\endcsname{\pagewidth=#2\pageheight=#3\setuppage}}
  87 \defpaper{a3}{297truemm}{420truemm}
  88 \defpaper{a4}{210truemm}{297truemm}
  89 \defpaper{a5}{148truemm}{210truemm}
  90 \defpaper{letter}{8.5truein}{11truein}
  91 \defpaper{legal}{8.5truein}{14truein}
  92
  93 % Default page parameters
  94 \setmargins{1truein}
  95 \setpaper{a4}
  96
  97 %%% Placing material at specified coordinates %%%
  98
  99 % Set all dimensions of a given box register to zero
 100 \def\smashbox#1{\ht#1=0pt \dp#1=0pt \wd#1=0pt}
 101 \long\def\smashedhbox#1{{\setbox0=\hbox{#1}\smashbox0\box0}}
 102 \long\def\smashedvbox#1{{\setbox0=\vbox{#1}\smashbox0\box0}}
 103
 104 % Variants of \llap and \rlap working equally on both sides and/or vertically
 105 \def\hlap#1{\hbox to 0pt{\hss #1\hss}}
 106 \def\vlap#1{\vbox to 0pt{\vss #1\vss}}
 107 \def\clap#1{\vlap{\hlap{#1}}}
 108
 109 % \placeat{right}{down}{hmaterial} places <hmaterial>, so that its
 110 % reference point lies at the given position wrt. the current ref point
 111 \long\def\placeat#1#2#3{\smashedhbox{\hskip #1\lower #2\hbox{#3}}}
 112
 113 % Like \vbox, but with reference point in the upper left corner
 114 \long\def\vhang#1{\vtop{\hrule height 0pt\relax #1}}
 115
 116 % Like \vhang, but respecting interline skips
 117 \long\def\vhanglines#1{\vtop{\hbox to 0pt{}#1}}
 118
 119 % Crosshair with reference point in its center
 120 \def\crosshair#1{\clap{\vrule height 0.2pt width #1}\clap{\vrule height #1 width 0.2pt}}
 121
 122 %%% Output routine %%%
 123
 124 \newbox\pageunderlays
 125 \newbox\pageoverlays
 126 \newbox\commonunderlays
 127 \newbox\commonoverlays
 128
 129 % In addition to the normal page contents, you can define page overlays
 130 % and underlays, which are zero-size vboxes positioned absolutely in the
 131 % front / in the back of the normal material. Also, there are global
 132 % versions of both which are not reset after every page.
 133 \def\addlay#1#2{\setbox#1=\vbox{\ifvbox#1\box#1\fi\nointerlineskip\smashedvbox{#2}}}
 134 \def\pageunderlay{\addlay\pageunderlays}
 135 \def\pageoverlay{\addlay\pageoverlays}
 136 \def\commonunderlay{\addlay\commonoverlays}
 137 \def\commonoverlay{\addlay\commonoverlays}
 138
 139 % Our variation on \plainoutput, which manages inner/outer margins and overlays
 140 \output{\ucwoutput}
 141 \newdimen\pagebodydepth
 142 \def\ucwoutput{\wigglepage\shipout\vbox{%
 143         \makeheadline
 144         \ifvbox\commonunderlays\copy\commonunderlays\nointerlineskip\fi
 145         \ifvbox\pageunderlays\box\pageunderlays\nointerlineskip\fi
 146         \pagebody
 147         \pagebodydepth=\prevdepth
 148         \nointerlineskip
 149         \ifvbox\commonoverlays\vbox to 0pt{\vskip -\vsize\copy\commonoverlays\vss}\nointerlineskip\fi
 150         \ifvbox\pageoverlays\vbox to 0pt{\vskip -\vsize\box\pageoverlays\vss}\nointerlineskip\fi
 151         \prevdepth=\pagebodydepth
 152         \makefootline
 153 }\advancepageno
 154 \ifnum\outputpenalty>-\@MM \else\dosupereject\fi}
 155
 156 \def\wigglepage{\ifodd\pageno\else\advance\hoffset by \evenpageshift\fi}
 157
 158 % Make it easier to redefine footline font (also, fix it so that OFS won't change it unless asked)
 159 \let\footfont=\tenrm
 160 \footline={\hss\footfont\folio\hss}
 161
 162 %%% Itemization %%%
 163
 164 % Default dimensions of itemized lists
 165 \newdimen\itemindent            \itemindent=0.5in
 166 \newdimen\itemnarrow            \itemnarrow=0.5in                       % make lines narrower by this amount
 167 \newskip\itemmarkerskip         \itemmarkerskip=0.4em                   % between marker and the item
 168 \newskip\preitemizeskip         \preitemizeskip=3pt plus 2pt minus 1pt  % before the list
 169 \newskip\postitemizeskip        \postitemizeskip=3pt plus 2pt minus 1pt % after the list
 170 \newskip\interitemskip          \interitemskip=2pt plus 1pt minus 0.5pt % between two items
 171
 172 % Analogues for nested lists
 173 \newdimen\nesteditemindent      \nesteditemindent=0.25in
 174 \newdimen\nesteditemnarrow      \nesteditemnarrow=0.25in
 175 \newskip\prenesteditemizeskip   \prenesteditemizeskip=0pt
 176 \newskip\postnesteditemizeskip  \postnesteditemizeskip=0pt
 177
 178 \newif\ifitems\itemsfalse
 179 \newbox\itembox
 180 \newcount\itemcount
 181
 182 \def\preitemize{
 183         \ifitems
 184                 \vskip\prenesteditemizeskip
 185                 \advance\leftskip by \nesteditemindent
 186                 \advance\rightskip by \nesteditemnarrow
 187         \else
 188                 \vskip\preitemizeskip
 189                 \advance\leftskip by \itemindent
 190                 \advance\rightskip by \itemnarrow
 191         \fi
 192         \parskip=\interitemskip
 193 }
 194
 195 \def\postitemize{
 196         \ifitems
 197                 \vskip\postnesteditemizeskip
 198         \else
 199                 \vskip\postitemizeskip
 200         \fi
 201 }
 202
 203 \def\inititemize{\begingroup\preitemize\itemstrue\parindent=0pt}
 204
 205 \def\itemize#1{\inititemize\setbox\itembox\llap{#1\hskip\itemmarkerskip}%
 206 \let\:=\singleitem}
 207
 208 \def\singleitem{\par\leavevmode\copy\itembox\ignorespaces}
 209
 210 \def\endlist{\par\endgroup\postitemize}
 211
 212 \def\ibull{\raise0.2ex\hbox{$\bullet$}} % Signs frequently used for \itemize
 213 \def\idot{\raise0.2ex\hbox{$\cdot$}}
 214 \def\istar{\raise0.2ex\hbox{$\ast$}}
 215
 216 \def\numlist#1{\inititemize\itemcount=0\let\:=\numbereditem
 217 \let\itemnumbering=#1}
 218
 219 \def\numbereditem{\par\leavevmode\advance\itemcount by 1
 220 \llap{\itemnumbering\hskip\itemmarkerskip}\ignorespaces}
 221
 222 \def\nnorm{\the\itemcount}
 223 \def\ndotted{\nnorm.}
 224 \def\nparen{\nnorm)}
 225 \def\nparenp{(\nnorm)}
 226 \def\nroman{\romannumeral\itemcount}
 227 \def\nromanp{\nroman)}
 228 \def\nalpha{\count@=96\advance\count@ by\itemcount\char\count@)}
 229 \def\nAlpha{\count@=64\advance\count@ by\itemcount\char\count@)}
 230 \def\ngreek{$\ifcase\itemcount\or\alpha\or\beta\or\gamma\or\delta\or\epsilon\or
 231 \zeta\or\eta\or\theta\or\iota\or\kappa\or\lambda\or\mu\or\nu\or\xi\or\pi\or\rho
 232 \or\sigma\or\tau\or\upsilon\or\phi\or\chi\or\psi\or\omega\fi$)}
 233
 234 %%% Miscellanea %%%
 235
 236 % {\I italic} with automatic italic correction
 237 \def\I{\it\aftergroup\/}
 238
 239 % A breakable dash, to be repeated on the next line
 240 \def\={\discretionary{-}{-}{-}}
 241
 242 % Non-breakable identifiers
 243 \def\<#1>{\leavevmode\hbox{\I #1}}
 244
 245 % A handy shortcut
 246 \let\>=\noindent
 247
 248 % Variants of \centerline, \leftline and \rightline, which are compatible with
 249 % verbatim environments and other catcode hacks
 250 \def\cline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\hss\bgroup\aftergroup\hss\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
 251 \def\lline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\bgroup\aftergroup\hss\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
 252 \def\rline{\bgroup\def\linet@mp{\aftergroup\box\aftergroup0\aftergroup\egroup\hss\bgroup\aftergroup\egroup}\afterassignment\linet@mp\setbox0\hbox to \hsize}
 253
 254 %%% Epilog %%%
 255
 256 % Let's hide all internal macros
 257 \catcode`@=12