...

The question isn't very clear

Its hard to advise what to do without short a runnable program

#!/usr/bin/perl --
## 
## 
## perltidy -olq  -csc -csci=3 -cscl="sub : BEGIN END if " -otr -opr -
+ce -nibc -i=4 -pt=0   "-nsak=*"
#!/usr/bin/perl --
use strict;
use warnings;
use Tk;
use Time::HiRes qw/ usleep /;

Main( @ARGV );
exit( 0 );

sub Main {
    GoTk( 4 );
    GoTk( 8 );
} ## end sub Main

sub GoTk {
    my( $many ) = @_;
    my $mw = tkinit;
    my @bbs;
    for my $one ( 1 .. $many ) {
        push @bbs,
          $mw->Button( -text, $one, -command, [ \&bbs_exclusive, ], )-
+>pack;
    }
    $bbs[ rand @bbs ]->focus;

    $mw->$_ for qw/ withdraw deiconify raise focusForce update /;
    $mw->MainLoop;
} ## end sub GoTk

sub bbs_exclusive {
    my $ev       = $Tk::event;
    my $bClicked = $Tk::widget;
    my @bbs      = grep { $_->isa( 'Tk::Button' ) } $bClicked->parent-
+>children;
    $_->configure( -state => 'disabled' ) for @bbs;
    for( 1 .. 10 ) {
        for my $bb ( @bbs ) {
            my $t = $bb->cget( -text );
            $t .= ' #';
            $bb->configure( -text, $t );
            $bb->update;
        }
        usleep 100 * 1000;    # sleep for 100*1 millisecond
    }

    for my $bb ( @bbs ) {
        my $t = $bb->cget( -text );
        $t =~ s{(?:\Q #\E)*$}{};
        $bb->configure( -text,  $t );
        $bb->configure( -state, 'normal' );
    }
} ## end sub bbs_exclusive
__END__
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