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%     pas-motscroises.sty  1.02   encodage : UTF8               %
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%           Créé par Stéphane PASQUET 		              		%
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% Informations générales
\NeedsTeXFormat{LaTeX2e}[1999/01/01]
\ProvidesPackage{pas-crosswords}[2011/04/11]

% Chargement des packages nécessaires
\RequirePackage{xkeyval}[2005/11/25]
\@ifpackageloaded{xstring}{}{\RequirePackage{xstring}}
\@ifpackageloaded{tikz}{}{\RequirePackage{tikz}}
\@ifpackageloaded{multido}{}{\RequirePackage{multido}}
\@ifpackageloaded{fp}{}{\RequirePackage{fp}}


% Définitions diverses
\newcommand{\cRM}[1]{\MakeUppercase{\tiny\romannumeral #1}}
\tikzstyle{blackcasestyle}=[fill=black]
\tikzstyle{gridstyle}=[draw=black]
\tikzstyle{numberstyle}=[text=black]
\tikzstyle{wordstyle}=[text=black]

% Environnement "crossgrid"

\define@cmdkey [PAS] {grille} {h}{}
\define@cmdkey [PAS] {grille} {v}{}
\define@cmdkey [PAS] {grille} {pas}{}
\presetkeys    [PAS] {grille} {h=1, v=1, pas=.5}{}

\newenvironment*{crossgrid}[1][]
{
	\setkeys[PAS]{grille}{#1}
	\begin{scope}
		\draw[step=\cmdPAS@grille@pas,gridstyle] (0,0) grid +(\cmdPAS@grille@h*\cmdPAS@grille@pas,\cmdPAS@grille@v*\cmdPAS@grille@pas);
		\foreach \x in {1,...,\cmdPAS@grille@h}
		{
			\node[numberstyle] at (\x*\cmdPAS@grille@pas-.5*\cmdPAS@grille@pas,\cmdPAS@grille@v*\cmdPAS@grille@pas+0.25) {\tiny\x};
		}
		\pgfmathparse{\cmdPAS@grille@v*\cmdPAS@grille@pas}
		\foreach \y in {1,2,...,\cmdPAS@grille@v}
		{
			\node[left,numberstyle] at (0,\pgfmathresult-\y*\cmdPAS@grille@pas+.5*\cmdPAS@grille@pas) {\cRM{\y}};
		}
}
{
	\end{scope}
}


% Commande "blackcase"

\newcommand*{\blackcase}[2]
{
	\fill[blackcasestyle] (#1*\cmdPAS@grille@pas,\pgfmathresult-#2*\cmdPAS@grille@pas) rectangle +(-\cmdPAS@grille@pas,\cmdPAS@grille@pas);
}

% Commande "blackcases"

\newcommand*{\blackcases}[1]
{
	\foreach \x/\y in {#1}
	{
		\blackcase{\x}{\y}
	}
}

% Commande \word

\define@boolkey[PAS] {mot} {h}[true]{} 
\define@boolkey[PAS] {mot} {v}[true]{} 
\presetkeys    [PAS] {mot} {h=false,v=false}{}

\newcommand*{\word}[4][]
{
	\setkeys[PAS]{mot}{#1}
	\pgfmathparse{\cmdPAS@grille@pas/2+\cmdPAS@grille@pas*(#2-1)}\let\debutX\pgfmathresult
	\pgfmathparse{\cmdPAS@grille@v*\cmdPAS@grille@pas-#3*\cmdPAS@grille@pas+\cmdPAS@grille@pas/2}\let\debutY\pgfmathresult
	\StrLen{#4}[\n]
	\ifPAS@mot@h
		\foreach \i in {1,...,\n}
		{
			\pgfmathparse{\debutX+(\i-1)*\cmdPAS@grille@pas}\let\posX\pgfmathresult
			\node[wordstyle] at (\posX,\debutY) {\StrChar{#4}{\i}};
		}
	\fi
	\ifPAS@mot@v
		\foreach \i in {1,...,\n}
		{
			\pgfmathparse{\debutY-(\i-1)*\cmdPAS@grille@pas}\let\posY\pgfmathresult
			\node[wordstyle] at (\debutX,\posY) {\StrChar{#4}{\i}};
		}
	\fi
}

% Commande "words"

\define@boolkey[PAS] {mots} {h}[true]{} 
\define@boolkey[PAS] {mots} {v}[true]{} 
\presetkeys    [PAS] {mots} {h=false,v=false}{}

\newcommand*{\words}[2][]
{
	\setkeys[PAS]{mots}{#1}
	\foreach \x/\y/\m in {#2}
	{
		\ifPAS@mots@h
			\word[h]{\x}{\y}{\m}
		\fi
		\ifPAS@mots@v
			\word[v]{\x}{\y}{\m}
		\fi
		
	}
}

% Commande \gridcross

\newcommand*{\gridcross}[1]
{
	\begin{scope}
		\coordinate (case1_0) at (0,0);
		\newcounter{L}
		\setcounter{L}{1}
		\foreach \ligne in {#1}
		{
			\StrLen{\ligne}[\n]
			\multido{\i=1+1}{\n}
			{
				\ifnum\i<2
					\tikzstyle{position}=[below,minimum width=.7cm,minimum height=.7cm,outer sep=0pt,wordstyle]
					\def\namecase{case1_\theL}
					\FPsub{\pr}{\theL}{1}
					\FPclip{\p}{\pr}
					\def\pos{case1_\p.south}
				\else
					\tikzstyle{position}=[right,minimum width=.7cm,minimum height=.7cm,outer sep=0pt,wordstyle]
					\def\namecase{case}
					\ifnum\i<3
						\def\pos{case1_\theL.east}
					\else
						\def\pos{case.east}
					\fi
				\fi
				\StrChar{\ligne}{\i}[\caractere]
				\IfStrEq{\caractere}{*}
				{\node[draw,position,blackcasestyle] (\namecase) at (\pos) {};}
				{\node[draw,position] (\namecase) at (\pos) {\caractere};}
				\ifnum\theL<2
					\node[above,outer sep=2pt,numberstyle] at (\namecase.north) {\i};
				\fi
			}
			\node[left,numberstyle] at (case1_\theL.west) {\cRM{\theL}};
			\stepcounter{L}
		}
	\end{scope}
}

% Commande % \def{h/v}{<texte>}

\def\symbsep{--}
\def\symbnext{}
\newcounter{cntdef}

\newcommand*\newlist{\setcounter{cntdef}{0}}

\newlist

\newcommand*\printDef[3][] % #1 = <s> pour indiquer une séparation de définitions au même niveau, #2 = <h|v>, #3 = Texte 
{%
	\IfSubStr{#2}{v}{\def\num{\thecntdef}}{\def\num{\MakeUppercase{\romannumeral\thecntdef}}}
	\IfSubStr{#1}{s}{\symbsep\hspace*{1em}#3}{\addtocounter{cntdef}{1}\ifnum\thecntdef=1\else\symbnext\fi\textbf{\num}\hspace*{1em}#3}
}

\endinput