Ciao samiel,
quello che posso fare io è riportarti il codice che mi era stato passato da Enrico. Per le classi standard è questo:
`\usepackage{tocloft}
\renewcommand{\cftchapfillnum}[1]{\nobreak\hspace{1.5em}\textbf{#1}\cftparfillskip\par}
\renewcommand{\cftsecfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftsubsecfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftsubsubsecfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftfigfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cfttabfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}`
Per la classe memoir, invece, è il seguente:
`\renewcommand{\cftchapterfillnum}[1]{\nobreak\hspace{1.5em}\textbf{#1}\cftparfillskip\par}
\renewcommand{\cftsectionfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftsubsectionfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftsubsubsectionfillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cftfigurefillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}
\renewcommand{\cfttablefillnum}[1]{\nobreak\hspace{1.5em}#1\cftparfillskip\par}`
Ciao e buona serata,
Marco.