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#!/usr/local/bin/perl -w
use Tk;
use strict;
my $TOP = MainWindow->new;
my @menubuttons;
foreach (qw/right/) {
my $pos = ucfirst;
my $menubutton = $TOP->Menubutton(qw/-underline 0 -relief raised/,
-text => $pos, -direction => $_);
push @menubuttons, $menubutton;
my $menu = $menubutton->menu(qw/-type menubar -tearoff 0/);
$menubutton->configure(-menu => $menu);
$menubutton->command(-label => "$pos menu: first item", -command =>
sub {print "You selected the first item from the $pos menu.\n"});
$menubutton->command(-label => "$pos menu: second item", -command =>
sub {print "You selected the second item from the $pos menu.\n"});
}
$menubuttons[0]->grid(qw/-row 0 -column 1 -sticky n/);
MainLoop;
__END__
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The same problem can be reproduced with original Tk8.4 and Tk8.5:
menubutton .mb -text test
pack .mb
menu .mb.menu -type menubar
.mb configure -menu .mb.menu
$ wish8.4 /tmp/menubug.tk
Tk_MoveToplevelWindow called with non-toplevel window
zsh: 32762 abort (core dumped) wish8.4 /tmp/menubug.tk
It is reported as
https://sourceforge.net/tracker2/?func=detail&aid=2160206&group_id=12997&atid=112997
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