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# Copyright (c) 1995-2003 Nick Ing-Simmons. All rights reserved.
# This program is free software; you can redistribute it and/or
# modify it under the same terms as Perl itself.
package Tk::Clipboard;
use strict;
use vars qw($VERSION);
$VERSION = sprintf '4.%03d', q$Revision: #8 $ =~ /\D(\d+)\s*$/;
use AutoLoader qw(AUTOLOAD);
use Tk qw(catch);
sub clipEvents
{
return qw[Copy Cut Paste];
}
sub ClassInit
{
my ($class,$mw) = @_;
foreach my $op ($class->clipEvents)
{
$mw->Tk::bind($class,"<<$op>>","clipboard$op");
}
return $class;
}
sub clipboardSet
{
my $w = shift;
$w->clipboardClear;
$w->clipboardAppend(@_);
}
sub clipboardCopy
{
my $w = shift;
my $val = $w->getSelected;
if (defined $val)
{
$w->clipboardSet('--',$val);
}
return $val;
}
sub clipboardCut
{
my $w = shift;
my $val = $w->clipboardCopy;
if (defined $val)
{
$w->deleteSelected;
}
return $val;
}
sub clipboardGet
{
my $w = shift;
$w->SelectionGet('-selection','CLIPBOARD',@_);
}
sub clipboardPaste
{
my $w = shift;
local $@;
catch
{
## Different from Tcl/Tk version:
# if ($w->windowingsystem eq 'x11')
# {
# catch
# {
# $w->deleteSelected;
# };
# }
$w->insert("insert", $w->clipboardGet);
$w->SeeInsert if $w->can('SeeInsert');
};
}
sub clipboardOperations
{
my @class = ();
my $mw = shift;
if (ref $mw)
{
$mw = $mw->DelegateFor('bind');
}
else
{
push(@class,$mw);
$mw = shift;
}
while (@_)
{
my $op = shift;
$mw->Tk::bind(@class,"<<$op>>","clipboard$op");
}
}
# These methods work for Entry and Text
# and can be overridden where they don't work
sub deleteSelected
{
my $w = shift;
catch { $w->delete('sel.first','sel.last') };
}
1;
__END__
sub getSelected
{
my $w = shift;
my $val = Tk::catch { $w->get('sel.first','sel.last') };
return $val;
}
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