diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/auto/Tk/Listbox/UpDown.al')
-rw-r--r-- | Master/tlpkg/tlperl/lib/auto/Tk/Listbox/UpDown.al | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/UpDown.al b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/UpDown.al new file mode 100644 index 00000000000..7ffbfebf4e1 --- /dev/null +++ b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/UpDown.al @@ -0,0 +1,41 @@ +# 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 716 "..\blib\lib\Tk\Listbox.pm (autosplit into ..\blib\lib\auto\Tk\Listbox\UpDown.al)" +# UpDown -- +# +# Moves the location cursor (active element) up or down by one element, +# and changes the selection if we're in browse or extended selection +# mode. +# +# Arguments: +# w - The listbox widget. +# amount - +1 to move down one item, -1 to move back one item. +sub UpDown +{ + my $w = shift; + my $amount = shift; + $w->activate($w->index('active')+$amount); + $w->see('active'); + my $mode = $w->cget('-selectmode'); + if ($mode eq 'browse') + { + $w->selectionClear(0,'end'); + $w->selectionSet('active'); + $w->eventGenerate("<<ListboxSelect>>"); + } + elsif ($mode eq 'extended') + { + $w->selectionClear(0,'end'); + $w->selectionSet('active'); + $w->selectionAnchor('active'); + $Prev = $w->index('active'); + @Selection = (); + $w->eventGenerate("<<ListboxSelect>>"); + } +} + +# end of Tk::Listbox::UpDown +1; |