Mercurial > octave-nkf
view scripts/gui/guidata.m @ 20584:eb9e2d187ed2
maint: Use Octave coding conventions in scripts/ode/private dir.
* AbsRel_Norm.m, fuzzy_compare.m, hermite_quartic_interpolation.m,
integrate_adaptive.m, integrate_const.m, integrate_n_steps.m, kahan.m,
ode_struct_value_check.m, odepkg_event_handle.m, odepkg_structure_check.m,
runge_kutta_45_dorpri.m, starting_stepsize.m:
Wrap long lines to < 80 chars.
Use double quotes rather than single quotes where possible.
Use ';' at end of keywords "return;" and "break;"
Use '##" for stand-alone comments and '#' for end-of-line comments.
Use two spaces after period before starting new sentence.
Use '!' instead of '~' for logical negation.
Use specific form of end (endif, endfor, etc.).
Don't use line continuation marker '...' unless necessary.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 04 Oct 2015 22:18:54 -0700 |
parents | 9fc020886ae9 |
children |
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## Copyright (C) 2012-2015 Michael Goffioul ## ## 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{data} =} guidata (@var{h}) ## @deftypefnx {Function File} {} guidata (@var{h}, @var{data}) ## Query or set user-custom GUI data. ## ## The GUI data is stored in the figure handle @var{h}. If @var{h} is not a ## figure handle then it's parent figure will be used for storage. ## ## @var{data} must be a single object which means it is usually preferable ## for it to be a data container such as a cell array or struct so that ## additional data items can be added easily. ## ## @seealso{getappdata, setappdata, get, set, getpref, setpref} ## @end deftypefn ## Author: goffioul function dataout = guidata (h, data) if (nargin < 1 || nargin > 2) print_usage (); endif if (! ishandle (h)) error ("guidata: H must be a valid object handle"); endif h = ancestor (h, "figure"); if (isempty (h)) error ("guidata: no ancestor figure of H found"); endif if (nargin == 1) dataout = get (h, "__guidata__"); else set (h, "__guidata__", data); if (nargout == 1) dataout = data; endif endif endfunction ## Test input validation %!error guidata () %!error guidata (1,2,3) %!error <H must be a valid object handle> guidata ({1}) %!error <no ancestor figure of H found> guidata (0)