# NOTE: Derived from ../blib/lib/Tk/Listbox.pm. # Changes made here will be lost when autosplit is run again. # See AutoSplit.pm. package Tk::Listbox; #line 386 "../blib/lib/Tk/Listbox.pm (autosplit into ../blib/lib/auto/Tk/Listbox/ExtendUpDown.al)" # ExtendUpDown -- # # Does nothing unless we're in extended selection mode; in this # case it moves the location cursor (active element) up or down by # one element, and extends the selection to that point. # # Arguments: # w - The listbox widget. # amount - +1 to move down one item, -1 to move back one item. sub ExtendUpDown { my $w = shift; my $amount = shift; if ($w->cget('-selectmode') ne 'extended') { return; } $w->activate($w->index('active')+$amount); $w->see('active'); $w->Motion($w->index('active')) } # end of Tk::Listbox::ExtendUpDown 1;