diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/auto/Tk/Listbox/BeginExtend.al')
-rw-r--r-- | Master/tlpkg/tlperl/lib/auto/Tk/Listbox/BeginExtend.al | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/BeginExtend.al b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/BeginExtend.al new file mode 100644 index 00000000000..afd8f0e9fda --- /dev/null +++ b/Master/tlpkg/tlperl/lib/auto/Tk/Listbox/BeginExtend.al @@ -0,0 +1,34 @@ +# 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 620 "..\blib\lib\Tk\Listbox.pm (autosplit into ..\blib\lib\auto\Tk\Listbox\BeginExtend.al)" +# BeginExtend -- +# +# This procedure is typically invoked on shift-button-1 presses. It +# begins the process of extending a selection in the listbox. Its +# exact behavior depends on the selection mode currently in effect +# for the listbox; see the Motif documentation for details. +# +# Arguments: +# w - The listbox widget. +# el - The element for the selection operation (typically the +# one under the pointer). Must be in numerical form. +sub BeginExtend +{ + my $w = shift; + my $el = shift; + if ($w->cget('-selectmode') eq 'extended' && $w->selectionIncludes('anchor')) + { + $w->Motion($el) + } + else + { + # No selection yet; simulate the begin-select operation. + $w->BeginSelect($el); + } +} + +# end of Tk::Listbox::BeginExtend +1; |