| 1 | # NOTE: Derived from ../blib/lib/Tk/Listbox.pm. |
| 2 | # Changes made here will be lost when autosplit is run again. |
| 3 | # See AutoSplit.pm. |
| 4 | package Tk::Listbox; |
| 5 | |
| 6 | #line 210 "../blib/lib/Tk/Listbox.pm (autosplit into ../blib/lib/auto/Tk/Listbox/Motion.al)" |
| 7 | # Motion -- |
| 8 | # |
| 9 | # This procedure is called to process mouse motion events while |
| 10 | # button 1 is down. It may move or extend the selection, depending |
| 11 | # on the listbox's selection mode. |
| 12 | # |
| 13 | # Arguments: |
| 14 | # w - The listbox widget. |
| 15 | # el - The element under the pointer (must be a number). |
| 16 | sub Motion |
| 17 | { |
| 18 | my $w = shift; |
| 19 | my $el = shift; |
| 20 | if (defined($Prev) && $el == $Prev) |
| 21 | { |
| 22 | return; |
| 23 | } |
| 24 | $anchor = $w->index('anchor'); |
| 25 | my $mode = $w->cget('-selectmode'); |
| 26 | if ($mode eq 'browse') |
| 27 | { |
| 28 | $w->selectionClear(0,'end'); |
| 29 | $w->selectionSet($el); |
| 30 | $Prev = $el; |
| 31 | } |
| 32 | elsif ($mode eq 'extended') |
| 33 | { |
| 34 | $i = $Prev; |
| 35 | if ($w->selectionIncludes('anchor')) |
| 36 | { |
| 37 | $w->selectionClear($i,$el); |
| 38 | $w->selectionSet('anchor',$el) |
| 39 | } |
| 40 | else |
| 41 | { |
| 42 | $w->selectionClear($i,$el); |
| 43 | $w->selectionClear('anchor',$el) |
| 44 | } |
| 45 | while ($i < $el && $i < $anchor) |
| 46 | { |
| 47 | if (Tk::lsearch(\@Selection,$i) >= 0) |
| 48 | { |
| 49 | $w->selectionSet($i) |
| 50 | } |
| 51 | $i += 1 |
| 52 | } |
| 53 | while ($i > $el && $i > $anchor) |
| 54 | { |
| 55 | if (Tk::lsearch(\@Selection,$i) >= 0) |
| 56 | { |
| 57 | $w->selectionSet($i) |
| 58 | } |
| 59 | $i += -1 |
| 60 | } |
| 61 | $Prev = $el |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | # end of Tk::Listbox::Motion |
| 66 | 1; |