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26 lines
628 B
Perl
26 lines
628 B
Perl
#!/usr/local/bin/perl -w
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use Tk;
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use strict;
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my $str = "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789";
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my $mw = MainWindow->new;
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my $lframe = $mw->Frame->pack(-fill => 'both', -side => 'left', -expand => 1);
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my $entry = $mw->Entry(
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-textvariable => \$str,
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-width => 12,
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-font => "{Comic Sans MS} 72",
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-relief => 'raised',
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-highlightthickness => 0,
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)->pack(-expand => 1, -fill => 'x', -side => 'left');
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my $repeat_id = $mw->repeat(300, \&shift_banner);
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MainLoop;
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sub shift_banner {
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my $newstr = substr($str, 1) . substr($str, 0, 1);
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$str = $newstr;
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} |