[Lazarus] TListView.Selected.EditCaption; NOT work

[FreeMan]

svn fpc & lazarus yosemite qt
Added 3 columns, last column visible false

TListView.Checkboxes := true;
TListView.Selected.EditCaption;
...
in /opt/lazarus/lcl/include/customlistview.inc

procedure TCustomListView.ShowEditor;
......
   R := Item.DisplayRect(drLabel);
   if LCLIntf.IsRectEmpty(R) then  <--- Always return true
     exit;