Dear monks

Running the following simple Tk script on macOS (High Sierra), Perl 5.26.1 I get a "Segmentation fault 11". It must have to do with the loading of the png. Any idea? A bug?

use strict;
use warnings;
use Tk;
use Tk::PNG;
my $png_image_file = 'annotate.png';
my $mw = Tk::MainWindow->new();
my $pic = $mw->Photo(-file => $png_image_file);
my $btn = $mw->Button(
-text => "Button mit PNG-Datei als Bild",
-compound => 'top',
-image => $pic,
);
$btn->pack(-padx => 10, -pady => 10,);
$mw->MainLoop();
exit(0);

[download]

On top of this, I have a strange behavior of Tk entry widgets. If I change the layout of my keyboard, this change does NOT affect the Tk widgets! All other applications accepts the input of the new keyboard layout (I change it from Russian - my standard - to English or others) but Perl Tk seems not to see this. How can this be?

PS: Perl Tk looks really bad on macOS (compared for example to Windows)... really '90s!

In reply to Perl Tk macOS segmentation fault 11 by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.