deptree.sty

\ProvidesPackage{deptree}[2019/10/04, v1.10 simple dependency trees]
\NeedsTeXFormat{LaTeX2e}[2016/02/01]

\RequirePackage{ifthen}
\RequirePackage{tikz}
\usetikzlibrary{arrows,positioning,calc}

\def\@deprelcolor{black} % line
\def\@depreltextcolor{black} % text
\def\@deprellabelcolor{gray} % frame
\def\@mwtlabelcolor{black!7} % frame
\def\@deprelbgcolor{black!5}
\def\@depreltextfont{\footnotesize} 
\def\@wordfont{}
\def\@wordcolor{black}
\def\@bottomwordfont{\small} 
\def\@posfont{} 
\def\@mwtfont{\scriptsize} 
% define styles for arrows, words and dep labels
\tikzstyle{dottedline} = [draw, dashed, color=gray]
\tikzstyle{line} = [draw, very thick, color=\@deprelcolor, -latex']
\tikzstyle{wort} = [rectangle, %draw=blue, fill=blue!60,
                    inner sep=1pt,
                    color=\@wordcolor,
                    font=\@wordfont,
		    align=center, %% needed to make \\ work
                    %    text width=5em,
                    text centered%, rounded corners%, minimum height=\minheight
]

\tikzstyle{bottomwort} = [rectangle, %draw=blue, %fill=blue!60,
		    align=center, %% needed to make \\ work
                    anchor=south,
                    font=\@bottomwordfont,
                    %text centered,% rounded corners,
                    text depth=.25ex
                    %minimum height=4ex
]

% label with background color on the dependency line
\tikzstyle{deplabel} = [rectangle,line width=0.2pt,
                        draw=\@deprellabelcolor,
                        text=\@depreltextcolor,
                        fill=\@deprelbgcolor, %violet!10,
                        inner sep=2pt,
                        %inner sep=0pt,
		        align=center, %% needed to make \\ work
                        font=\@depreltextfont,
                        % text width=5em,
                        text centered,
                        rounded corners %, minimum  height=\minheight
]

% if background color is empty, we do not draw neither fill nor border
% printed next to the dependency line
\tikzstyle{deplabel2} = [rectangle,line width=0.2pt, above,
                        text=\@depreltextcolor,
                        inner sep=2pt,
                        %inner sep=0pt,
		        align=center, %% needed to make \\ work
                        font=\@depreltextfont,
                        % text width=5em,
                        text centered,
                        rounded corners %, minimum  height=\minheight
]

\tikzstyle{wg} = [%fill=yellow,
                  draw=black,
                  rounded corners]

\tikzstyle{wglabel} = [draw=black,
                       font=\@mwtfont,
                       fill=\@mwtlabelcolor,
                       rounded corners]




\def\setdeprelcolor#1{\def\@deprelcolor{#1}}
\def\setdeprellabelcolor#1{\def\@deprellabelcolor{#1}}
\def\setdepreltextcolor#1{\def\@depreltextcolor{#1}}
\def\setdeprelbgcolor#1{\def\@deprelbgcolor{#1}}
\def\setdepreltextfont#1{\def\@depreltextfont{#1}}
\def\setwordfont#1{\def\@wordfont{#1}}
\def\setwordcolor#1{\def\@wordcolor{#1}}
\def\setbottomwordfont#1{\def\@bottomwordfont{#1}}
\def\setposfont#1{\def\@posfont{#1}}
\def\setmwtfont#1{\def\@mwtfont{#1}}
\def\setmwtlabelcolor#1{\def\@mwtlabelcolor{#1}}

\def\@bottom{0}
\def\setbottom#1{\def\@bottom{#1}}

%         x_pos form,pos
\def\root#1#2#3{
  \def\@@pos{#3}%
  \ifx\@@pos\@empty%
    \node [wort] (#1) at(#1,0) {#2};
  \else
    \node [wort] (#1) at(#1,0) {#2\\\@posfont #3};
  \fi
  \ifthenelse{\NOT 0 =\@bottom}{
    \node [bottomwort] (bottom_#1) at(#1,-\@bottom)  {#2};
    \path [dottedline] (#1) -- (bottom_#1);
  }{}
}

%        headpos,xpos,ypos,form,pos,label
\def\dep#1#2#3#4#5#6{
 \depX{#1}{#2}{#3}{#4}{#5}{#6}{0}
}

% add some horizontal space to xpos
%        headpos,xpos,ypos,form,pos,label, addtoxpos
\def\depX#1#2#3#4#5#6#7{
  \def\@@pos{#5}%
  \ifx\@@pos\@empty%
	  \node [wort] (#2) at(#2.#7,-#3)  {#4}; 
  \else
	  \node [wort] (#2) at(#2.#7,-#3)  {#4\\\@posfont #5}; 
  \fi
  
  \ifx\@deprelbgcolor\@empty
	\path [line] (#1) -> node [deplabel2,sloped,midway] {#6} (#2);
  \else
	\path [line] (#1) -> node [deplabel,sloped,midway] {#6} (#2);
  \fi
  \ifthenelse{\NOT 0 =\@bottom}{
    \node [bottomwort] (bottom_#2) at(#2.#7,-\@bottom)  {#4}; 
    \path [dottedline] (#2) -- (bottom_#2);
  }{}
}

% first,last,form
\def\mwt#1#2#3{
 \ifthenelse{\NOT 0 =\@bottom}{
    %\draw[draw=black,rounded corners] (#1-.4, -\@bottom.1) rectangle ++(#2-#1+1, .5);
    \draw[wg] ($(bottom_#1.north west) + (0, 0)$) rectangle ($(bottom_#2.south east) + (0, 0)$);
    %\node[bottomwort] (b#1) at ($(bottom_#1.south)$)  {???}; % how to access label of existing node?

    \node[wglabel]  (#1#2) at ($(bottom_#1.south) + (.5*#2-.5*#1, 0)$) {#3};
 }{}
}


%         xposdelta,headid,id,text,label
%\def\depl#1#2#3#4#5{
%  \node [wort, below left=1 and #1 of #2] (#3)  {#4}; 
%  \path [line] (#2) -> node [sloped,midway,above] {#5} (#3);
%}
%\def\depr#1#2#3#4#5{
%  \node [wort, below right=1 and #1 of #2] (#3)  {#4}; 
%  \path [line] (#2) -> node [sloped,midway,above] {#5} (#3);
%}