# NOTE: Derived from ..\blib\lib\Tk\Scrollbar.pm. # Changes made here will be lost when autosplit is run again. # See AutoSplit.pm. package Tk::Scrollbar; #line 317 "..\blib\lib\Tk\Scrollbar.pm (autosplit into ..\blib\lib\auto\Tk\Scrollbar\ScrlByUnits.al)" # tkScrlByUnits -- # This procedure tells the scrollbar's associated widget to scroll up # or down by a given number of units. It notifies the associated widget # in different ways for old and new command syntaxes. # # Arguments: # w - The scrollbar widget. # orient - Which kinds of scrollbars this applies to: "h" for # horizontal, "v" for vertical, "hv" for both. # amount - How many units to scroll: typically 1 or -1. sub ScrlByUnits {my $w = shift; my $orient = shift; my $amount = shift; my $cmd = $w->cget('-command'); return unless (defined $cmd); return if (index($orient,substr($w->cget('-orient'),0,1)) < 0); my @info = $w->get; if (@info == 2) { $cmd->Call('scroll',$amount,'units'); } else { $cmd->Call($info[2]+$amount); } } # end of Tk::Scrollbar::ScrlByUnits 1;