1 files changed, 38 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/auto/Tk/Scrollbar/StartDrag.al b/Master/tlpkg/tlperl/lib/auto/Tk/Scrollbar/StartDrag.al
new file mode 100644
index 00000000000..32edbfdef24
--- /dev/null
+++ b/Master/tlpkg/tlperl/lib/auto/Tk/Scrollbar/StartDrag.al
@@ -0,0 +1,38 @@
+# 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 232 "..\blib\lib\Tk\Scrollbar.pm (autosplit into ..\blib\lib\auto\Tk\Scrollbar\StartDrag.al)"
+# tkScrollStartDrag --
+# This procedure is called to initiate a drag of the slider.  It just
+# remembers the starting position of the slider.
+#
+# Arguments:
+# w -		The scrollbar widget.
+# x, y -	The mouse position at the start of the drag operation.
+
+sub StartDrag
+{
+ my($w,$x,$y) = @_;
+ return unless (defined ($w->cget('-command')));
+ $pressX = $x;
+ $pressY = $y;
+ @initValues = $w->get;
+ my $iv0 = $initValues[0];
+ if (@initValues == 2)
+  {
+   $initPos = $iv0;
+  }
+ elsif ($iv0 == 0)
+  {
+   $initPos = 0;
+  }
+ else
+  {
+   $initPos = $initValues[2]/$initValues[0];
+  }
+}
+
+# end of Tk::Scrollbar::StartDrag
+1;