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## Copyright (C) 2008-2013 Bill Denney
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, see
## <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{h} =} findall ()
## @deftypefnx {Function File} {@var{h} =} findall (@var{prop_name}, @var{prop_value}, @dots{})
## @deftypefnx {Function File} {@var{h} =} findall (@var{prop_name}, @var{prop_value}, "-@var{logical_op}", @var{prop_name}, @var{prop_value})
## @deftypefnx {Function File} {@var{h} =} findall ("-property", @var{prop_name})
## @deftypefnx {Function File} {@var{h} =} findall ("-regexp", @var{prop_name}, @var{pattern})
## @deftypefnx {Function File} {@var{h} =} findall (@var{hlist}, @dots{})
## @deftypefnx {Function File} {@var{h} =} findall (@var{hlist}, "flat", @dots{})
## @deftypefnx {Function File} {@var{h} =} findall (@var{hlist}, "-depth", @var{d}, @dots{})
## Find graphics object, including hidden ones, with specified property values.
##
## The return value @var{h} is a list of handles to the found graphic objects.
##
## @code{findall} performs the same search as @code{findobj}, but it
## includes hidden objects (HandleVisibility = @qcode{"off"}). For full
## documentation, @pxref{XREFfindobj,,findobj}.
## @seealso{findobj, allchild, get, set}
## @end deftypefn
## Author: Bill Denney <bill@denney.ws>
function h = findall (varargin)
unwind_protect
shh = get (0, "showhiddenhandles");
set (0, "showhiddenhandles", "on");
h = findobj (varargin{:});
unwind_protect_cleanup
set (0, "showhiddenhandles", shh);
end_unwind_protect
endfunction
%!testif HAVE_FLTK
%! toolkit = graphics_toolkit ("fltk");
%! hf = figure ("visible", "off");
%! unwind_protect
%! h = findall (hf);
%! all_handles(1) = {"figure"};
%! all_handles(2:12,1) = {"uimenu"};
%! assert (get (h, "type"), all_handles);
%! unwind_protect_cleanup
%! close (hf);
%! graphics_toolkit (toolkit);
%! end_unwind_protect
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