zsh/Completion/User/_gv

#compdef gv gview

_xt_arguments \
  '(-nosafer)-safer' \
  '(-safer)-nosafer' \
  '(-noquiet)-quiet' \
  '(-quiet)-noquiet' \
  '(-nocenter)-center' \
  '(-center)-nocenter' \
  '(-noswap)-swap' \
  '(-swap)-noswap' \
  '(-noantialias)-antialias' \
  '(-antialias)-noantialias' \
  '(-nodsc)-dsc' \
  '(-dsc)-nodsc' \
  '(-noeof)-eof' \
  '(-eof)-noeof' \
  '(-nopixmap)-pixmap' \
  '(-pixmap)-nopixmap' \
  '(-nowatch)-watch' \
  '(-watch)-nowatch' \
  '(-noresize)-resize' \
  '(-resize)-noresize' \
  '(-grayscale -color)-monochrome' \
  '(-monochrome -color)-grayscale' \
  '(-grayscale -color)-monochrome' \
  '(-landscape -seascape -upsidedown)-portrait' \
  '(-portrait -seascape -upsidedown)-landscape' \
  '(-portrait -landscape -upsidedown)-seascape' \
  '(-portrait -landscape -seascape)-upsidedown' \
  -{h,help,v,spartan} \
  '-arguments:ghostscript arguments:' \
  '-page:label of first page:' \
  '-media:page size:(Letter Legal Statement Tabloid Ledger Folio Quarto 10x14 Executive A3 A4 A5 B4 B5)' \
  '-scale:scale entry:' \
  '-scalebase:scale base:' \
  '-ad:resource file:_files' \
  '-style:resource file:_files' \
  '*:file: _pspdf -z'