As far as I can tell, this is a bug in Tk :) Run one of these and type Ctrl+[
perl -MTk -le " tkinit->Text->pack->focus; MainLoop; "
perl -MTk -le ' tkinit->Text->pack->focus; MainLoop; '
or type Ctrl+] and you'll get esc(\033) and gs(\035) respectively
This is a bug
$ perl -MTk -le " print for Tk->VERSION, $^V "
804.0295
v5.12.2
$ perl -MTk -le " print for Tk->VERSION, $] "
804.028
5.008009
Ctrl+g results in bel(\a)
This isn't supposed to happen :)
Checking the Tk bug cue i find Bug #47173 for Tk: "Modifier" key releases don't track key presses correctly
perl/Tk is built upon Tcl/Tk 8.5.7
Tcl/Tk 8.6 doesn't have this problem
#!/usr/bin/perl --
use strict;
use warnings;
use Tcl::pTk;
my $int = new Tcl::pTk;
$int->Eval(<<'EOS');
# pure-tcl code to create widgets (e.g. generated by some GUI builder)
text .e
## http://wiki.tcl.tk/1626#tk_version
.e insert end "tcl_version $tcl_version\n"
.e insert end "tcl_patchLevel $tcl_patchLevel\n"
.e insert end "tk_version $tk_version\n"
.e insert end "tk_patchLevel $tk_patchLevel\n"
.e insert end "tk_library $tk_library\n"
pack .e
EOS
my $e = $int->widget('.e'); # get .e entry into play
$e->insert( "end", "
Tcl::pTk $Tcl::pTk::VERSION
Tcl $Tcl::VERSION
\$^V $^V
\$] $]
");
$int->MainLoop;
__END__
tcl_version 8.6
tcl_patchLevel 8.6b1.2
tk_version 8.6
tk_patchLevel 8.6b1.2
tk_library C:/Tcl8.6/lib/tk8.6
Tcl::pTk 0.85
Tcl 1.02
$^V v5.12.2
$] 5.012002
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