view release on metacpan or  search on metacpan

devel/lasso-entry.pl  view on Meta::CPAN

       return 1; # don't propagate
     } elsif ($event->keyval == Gtk2::Gdk->keyval_from_name('e')) {
       print "$progname: end\n";
       $lasso->end;
       return 1; # don't propagate
     } elsif ($event->keyval == Gtk2::Gdk->keyval_from_name('r')) {
       print "$progname: redraw\n";
       $entry->queue_draw;
       return 1; # don't propagate
     }
     return 0; # propagate
   });
$entry->add_events(['button-press-mask']);
$entry->signal_connect (button_press_event =>
                       sub {
                         my ($entry, $event, $userdata) = @_;
                         print "$progname: start button\n";
                         $lasso->start ($event);
                       });

$lasso->signal_connect (moved =>
                        sub {
                          print "$progname: moved ", join(' ',@_), "\n";
                        });
$lasso->signal_connect (aborted =>
                        sub {
                          print "$progname: aborted ", join(' ',@_), "\n";
                        });
$lasso->signal_connect (ended =>
                        sub {
                          print "$progname: ended ", join(' ',@_), "\n";
                        });

{
  my $button = Gtk2::Button->new_with_label ('Start');
  $button->signal_connect (clicked => sub { $lasso->start; });
  $vbox->pack_start ($button, 0, 0, 0);
}
{
  my $button = Gtk2::Button->new_with_label ('End');
  $button->signal_connect (clicked => sub { $lasso->end; });
  $vbox->pack_start ($button, 0, 0, 0);
}
{
  my $button = Gtk2::Button->new_with_label ('Abort');
  $button->signal_connect (clicked => sub { $lasso->abort; });
  $vbox->pack_start ($button, 0, 0, 0);
}
{
  my $button = Gtk2::Button->new_with_label ('Swap');
  $button->signal_connect (clicked => sub { $lasso->swap_corners; });
  $vbox->pack_start ($button, 0, 0, 0);
}
{
  my $button = Gtk2::Button->new_with_label ('Redraw');
  $button->signal_connect (clicked => sub { $entry->queue_draw; });
  $vbox->pack_start ($button, 0, 0, 0);
}

{
  my $combobox = Gtk2::ComboBox->new_text;
  $vbox->pack_start ($combobox, 0,0,0);
  $combobox->append_text ('invisible');
  $combobox->append_text ('undef');
  $combobox->append_text ('boat');
  $combobox->append_text ('umbrella');
  $combobox->append_text ('cross');
  $combobox->set_active (0);

  $combobox->signal_connect
    (changed => sub {
       my $type = $combobox->get_active_text;
       if ($type eq 'undef') { $type = undef; }
       $lasso->set (cursor => $type);
     });
}

$vbox->pack_start (Gtk2::Label->new(<<'HERE'),0,0,0);
Drag button 1 for lasso
Press: S - start lasso.
   E - end.
   R - redraw Entry.
HERE

$entry->grab_focus;
$toplevel->show_all;
Gtk2->main;
exit 0;