static void vwlistcheck(GWindow gw, struct gmenuitem *mi, GEvent *UNUSED(e)) {
    FontView *fv = (FontView *) GDrawGetUserData(gw);
    int anychars = FVAnyCharSelected(fv);
    int i, base;
    BDFFont *bdf;
    char buffer[50];
    int pos;
    SplineFont *sf = fv->b.sf;
    SplineFont *master = sf->cidmaster ? sf->cidmaster : sf;
    EncMap *map = fv->b.map;
    OTLookup *otl;

    for ( i=0; vwlist[i].ti.text==NULL || strcmp((char *) vwlist[i].ti.text, _("Bitmap _Magnification..."))!=0; ++i );
    base = i+1;
    for ( i=base; vwlist[i].ti.text!=NULL; ++i ) {
	free( vwlist[i].ti.text);
	vwlist[i].ti.text = NULL;
    }

    vwlist[base-1].ti.disabled = true;
    if ( master->bitmaps!=NULL ) {
	for ( bdf = master->bitmaps, i=base;
		i<sizeof(vwlist)/sizeof(vwlist[0])-1 && bdf!=NULL;
		++i, bdf = bdf->next ) {
	    if ( BDFDepth(bdf)==1 )
		sprintf( buffer, _("%d pixel bitmap"), bdf->pixelsize );
	    else
		sprintf( buffer, _("%d@%d pixel bitmap"),
			bdf->pixelsize, BDFDepth(bdf) );
	    vwlist[i].ti.text = (unichar_t *) utf82u_copy(buffer);
	    vwlist[i].ti.checkable = true;
	    vwlist[i].ti.checked = bdf==fv->show;
	    vwlist[i].ti.userdata = bdf;
	    vwlist[i].invoke = FVMenuShowBitmap;
	    vwlist[i].ti.fg = vwlist[i].ti.bg = COLOR_DEFAULT;
	    if ( bdf==fv->show )
		vwlist[base-1].ti.disabled = false;
	}
    }
    GMenuItemArrayFree(mi->sub);
    mi->sub = GMenuItem2ArrayCopy(vwlist,NULL);

    for ( mi = mi->sub; mi->ti.text!=NULL || mi->ti.line ; ++mi ) {
	switch ( mi->mid ) {
	  case MID_Next: case MID_Prev:
	    mi->ti.disabled = anychars<0;
	  break;
	  case MID_NextDef:
	    pos = anychars+1;
	    if ( anychars<0 ) pos = map->enccount;
	    for ( ; pos<map->enccount &&
		    (map->map[pos]==-1 || !SCWorthOutputting(sf->glyphs[map->map[pos]]));
		    ++pos );
	    mi->ti.disabled = pos==map->enccount;
	  break;
	  case MID_PrevDef:
	    for ( pos = anychars-1; pos>=0 &&
		    (map->map[pos]==-1 || !SCWorthOutputting(sf->glyphs[map->map[pos]]));
		    --pos );
	    mi->ti.disabled = pos<0;
	  break;
	  case MID_DisplaySubs: { SplineFont *_sf = sf;
	    mi->ti.checked = fv->cur_subtable!=NULL;
	    if ( _sf->cidmaster ) _sf = _sf->cidmaster;
	    for ( otl=_sf->gsub_lookups; otl!=NULL; otl=otl->next )
		if ( otl->lookup_type == gsub_single && otl->subtables!=NULL )
	    break;
	    mi->ti.disabled = otl==NULL;
	  } break;
	  case MID_ShowHMetrics:
	  break;
	  case MID_ShowVMetrics:
	    mi->ti.disabled = !sf->hasvmetrics;
	  break;
	  case MID_32x8:
	    mi->ti.checked = (fv->rowcnt==8 && fv->colcnt==32);
	    mi->ti.disabled = fv->b.container!=NULL;
	  break;
	  case MID_16x4:
	    mi->ti.checked = (fv->rowcnt==4 && fv->colcnt==16);
	    mi->ti.disabled = fv->b.container!=NULL;
	  break;
	  case MID_8x2:
	    mi->ti.checked = (fv->rowcnt==2 && fv->colcnt==8);
	    mi->ti.disabled = fv->b.container!=NULL;
	  break;
	  case MID_24:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==24);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_36:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==36);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_48:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==48);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_72:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==72);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_96:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==96);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_128:
	    mi->ti.checked = (fv->show!=NULL && fv->show==fv->filled && fv->show->pixelsize==128);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_AntiAlias:
	    mi->ti.checked = (fv->show!=NULL && fv->show->clut!=NULL);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_FitToBbox:
	    mi->ti.checked = (fv->show!=NULL && fv->show->bbsized);
	    mi->ti.disabled = sf->onlybitmaps && fv->show!=fv->filled;
	  break;
	  case MID_Layers:
	    mi->ti.disabled = sf->layer_cnt<=2 || sf->multilayer;
	  break;
	}
    }
}