+push @{$hook{showmenu}}, sub {
+ SLsmg_gotorc($set{height}+2, 1);
+ SLsmg_erase_eol;
+ my $nr = -1;
+ for (grep exists $menu[0][$_], $menu[0][0]+1..$menu[0][0]+$set{menushow}) {
+ $nr++;
+ next unless defined $menu[0][$_];
+ my $sub = (my $s = $menu[0][$_]) =~ s/>[\w ]+$//;
+ SLsmg_gotorc($set{height}+2, $set{width}/$set{menushow}*$nr);
+ SLsmg_write_string($_);
+ SLsmg_reverse_video; # reverse
+ SLsmg_write_string($s);
+ SLsmg_normal_video;
+ SLsmg_write_string('>') if $sub; # indicate submenu
+ } # display menu txts
+}; # showmenu
+
+$action{more} = [-1, sub {
+ $menu[0][0] += $set{menushow};
+ $menu[0][0] = 0 if $menu[0][0] > @{$menu[0]};
+ $_->() for @{$hook{showmenu}};
+}]; # tab
+
+unshift @{$hook{precmd}}, sub {
+ exists $falias{$_} or return; # handle function key
+ if ($falias{$_}==0) {
+ shift @menu if @menu>1; # remove current submenu
+ redraw(menu=>1);
+ return 1;
+ } # escape (go to parent)
+ $_ = $menu[0][$falias{$_}] and return; # execute found menu item instead
+ error("no such menu entry");
+ return 1;
+}; # precmd
+
+push @{$hook{showall}}, sub {