Hi,
In my application, there is a callback which may take a long time to
finish.
Is it possible to return from the callback when user really need? For
example,
code as following, can I press the button 'cancel' to stop the counting?
Is there any document about thread in Gtk2?
use Gtk2 '-init';
use Glib qw(TRUE FALSE);
my $window = Gtk2::Window->new('toplevel');
$window->signal_connect('delete_event' => sub { Gtk2->main_quit; });
my $hbox= Gtk2::HBox->new(FALSE, 0);
my $but;
$but = Gtk2::Button->new('start');
$but->signal_connect(
'clicked' => sub {
my $i = 0;
while ($i < 10) {
sleep( 1 );
$i++;
print "I'm working\n";
}
return FALSE;
}
);
$hbox->pack_start($but, TRUE, TRUE, 5);
$but = Gtk2::Button->new('Cancel');
$but->signal_connect(
'clicked' => sub {
die "Stop it\n";
}
);
$hbox->pack_start($but, TRUE, TRUE, 5);
$window->add($hbox);
$window->show_all();
Gtk2->main;
--
Best regards,
Ye Wenbin
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