/usr/lib/perl5/Tk/Menu/Item.pm is in perl-tk 1:804.031-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 | package Tk::Menu::Item;
require Tk::Menu;
use Carp;
use strict;
use vars qw($VERSION);
$VERSION = '4.005'; # $Id: //depot/Tkutf8/Tk/Menu/Item.pm#4 $
sub PreInit
{
# Dummy (virtual) method
my ($class,$menu,$minfo) = @_;
}
sub new
{
my ($class,$menu,%minfo) = @_;
my $kind = $class->kind;
my $name = $minfo{'-label'};
if (defined $kind)
{
my $invoke = delete $minfo{'-invoke'};
if (defined $name)
{
# Use ~ in name/label to set -underline
if (defined($minfo{-label}) && !defined($minfo{-underline}))
{
my $cleanlabel = $minfo{-label};
my $underline = ($cleanlabel =~ s/^(.*)~/$1/) ? length($1): undef;
if (defined($underline) && ($underline >= 0))
{
$minfo{-underline} = $underline;
$name = $cleanlabel if ($minfo{-label} eq $name);
$minfo{-label} = $cleanlabel;
}
}
}
else
{
$name = $minfo{'-bitmap'} || $minfo{'-image'};
croak('No -label') unless defined($name);
$minfo{'-label'} = $name;
}
$class->PreInit($menu,\%minfo);
$menu->add($kind,%minfo);
$menu->invoke('last') if ($invoke);
}
else
{
$menu->add('separator');
}
return bless [$menu,$name],$class;
}
sub configure
{
my $obj = shift;
my ($menu,$name) = @$obj;
my %args = @_;
$obj->[1] = $args{'-label'} if exists $args{'-label'};
$menu->entryconfigure($name,@_);
}
sub cget
{
my $obj = shift;
my ($menu,$name) = @$obj;
$menu->entrycget($name,@_);
}
sub parentMenu
{
my $obj = shift;
return $obj->[0];
}
# Default "kind" is a command
sub kind { return 'command' }
# Now the derived packages
package Tk::Menu::Separator;
use base qw(Tk::Menu::Item);
Construct Tk::Menu 'Separator';
sub kind { return undef }
package Tk::Menu::Button;
use base qw(Tk::Menu::Item);
Construct Tk::Menu 'Button';
Construct Tk::Menu 'Command';
#package Tk::Menu::Command;
#use base qw(Tk::Menu::Button);
#Construct Tk::Menu 'Command';
package Tk::Menu::Cascade;
use base qw(Tk::Menu::Item);
Construct Tk::Menu 'Cascade';
sub kind { return 'cascade' }
use Carp;
sub PreInit
{
my ($class,$menu,$minfo) = @_;
my $tearoff = delete $minfo->{-tearoff};
my $items = delete $minfo->{-menuitems};
my $widgetvar = delete $minfo->{-menuvar};
my $command = delete $minfo->{-postcommand};
my $name = delete $minfo->{'Name'};
$name = $minfo->{'-label'} unless defined $name;
my @args = ();
push(@args, '-tearoff' => $tearoff) if (defined $tearoff);
push(@args, '-menuitems' => $items) if (defined $items);
push(@args, '-postcommand' => $command) if (defined $command);
my $submenu = $minfo->{'-menu'};
unless (defined $submenu)
{
$minfo->{'-menu'} = $submenu = $menu->Menu(Name => $name, @args);
}
$$widgetvar = $submenu if (defined($widgetvar) && ref($widgetvar));
}
sub menu
{
my ($self,%args) = @_;
my $w = $self->parentMenu;
my $menu = $self->cget('-menu');
if (!defined $menu)
{
require Tk::Menu;
$w->ColorOptions(\%args);
my $name = $self->cget('-label');
warn "Had to (re-)reate menu for $name";
$menu = $w->Menu(Name => $name, %args);
$self->configure('-menu'=>$menu);
}
else
{
$menu->configure(%args) if %args;
}
return $menu;
}
# Some convenience methods
sub separator { shift->menu->Separator(@_); }
sub command { shift->menu->Command(@_); }
sub cascade { shift->menu->Cascade(@_); }
sub checkbutton { shift->menu->Checkbutton(@_); }
sub radiobutton { shift->menu->Radiobutton(@_); }
sub pack
{
my $w = shift;
if ($^W)
{
require Carp;
Carp::carp("Cannot 'pack' $w - done automatically")
}
}
package Tk::Menu::Checkbutton;
use base qw(Tk::Menu::Item);
Construct Tk::Menu 'Checkbutton';
sub kind { return 'checkbutton' }
package Tk::Menu::Radiobutton;
use base qw(Tk::Menu::Item);
Construct Tk::Menu 'Radiobutton';
sub kind { return 'radiobutton' }
package Tk::Menu::Item;
1;
__END__
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