Mercurial > octave
annotate scripts/plot/findobj.m @ 14868:5d3a684236b0
maint: Use Octave coding conventions for cuddling parentheses in scripts directory
* lin2mu.m, loadaudio.m, wavread.m, accumarray.m, bicubic.m, celldisp.m,
colon.m, cplxpair.m, dblquad.m, divergence.m, genvarname.m, gradient.m,
int2str.m, interp1.m, interp1q.m, interp2.m, interpn.m, loadobj.m, nthargout.m,
__isequal__.m, __splinen__.m, quadgk.m, quadl.m, quadv.m, rat.m, rot90.m,
rotdim.m, saveobj.m, subsindex.m, triplequad.m, delaunay3.m, griddata.m,
inpolygon.m, tsearchn.m, voronoi.m, get_first_help_sentence.m, which.m,
gray2ind.m, pink.m, dlmwrite.m, strread.m, textread.m, textscan.m, housh.m,
ishermitian.m, issymmetric.m, krylov.m, logm.m, null.m, rref.m,
compare_versions.m, copyfile.m, dump_prefs.m, edit.m, fileparts.m,
getappdata.m, isappdata.m, movefile.m, orderfields.m, parseparams.m,
__xzip__.m, rmappdata.m, setappdata.m, swapbytes.m, unpack.m, ver.m, fminbnd.m,
fminunc.m, fsolve.m, glpk.m, lsqnonneg.m, qp.m, sqp.m, configure_make.m,
copy_files.m, describe.m, get_description.m, get_forge_pkg.m, install.m,
installed_packages.m, is_architecture_dependent.m, load_package_dirs.m,
print_package_description.m, rebuild.m, repackage.m, save_order.m, shell.m,
allchild.m, ancestor.m, area.m, axes.m, axis.m, clabel.m, close.m, colorbar.m,
comet.m, comet3.m, contour.m, cylinder.m, ezmesh.m, ezsurf.m, findobj.m,
fplot.m, hist.m, isocolors.m, isonormals.m, isosurface.m, isprop.m, legend.m,
mesh.m, meshz.m, pareto.m, pcolor.m, peaks.m, plot3.m, plotmatrix.m, plotyy.m,
polar.m, print.m, __add_datasource__.m, __add_default_menu__.m,
__axes_limits__.m, __bar__.m, __clabel__.m, __contour__.m, __errcomm__.m,
__errplot__.m, __ezplot__.m, __file_filter__.m, __fltk_print__.m,
__ghostscript__.m, __gnuplot_print__.m, __go_draw_axes__.m,
__go_draw_figure__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m,
__pie__.m, __plt__.m, __print_parse_opts__.m, __quiver__.m, __scatter__.m,
__stem__.m, __tight_eps_bbox__.m, __uigetdir_fltk__.m, __uigetfile_fltk__.m,
__uiputfile_fltk__.m, quiver.m, quiver3.m, rectangle.m, refreshdata.m,
ribbon.m, scatter.m, semilogy.m, shading.m, slice.m, subplot.m, surface.m,
surfl.m, surfnorm.m, text.m, uigetfile.m, uiputfile.m, whitebg.m, deconv.m,
mkpp.m, pchip.m, polyaffine.m, polyder.m, polygcd.m, polyout.m, polyval.m,
ppint.m, ppjumps.m, ppval.m, residue.m, roots.m, spline.m, splinefit.m,
addpref.m, getpref.m, setpref.m, ismember.m, setxor.m, arch_fit.m, arch_rnd.m,
arch_test.m, autoreg_matrix.m, diffpara.m, fftconv.m, filter2.m, hanning.m,
hurst.m, periodogram.m, triangle_sw.m, sinc.m, spectral_xdf.m, spencer.m,
stft.m, synthesis.m, unwrap.m, yulewalker.m, bicgstab.m, gmres.m, pcg.m, pcr.m,
__sprand_impl__.m, speye.m, spfun.m, sprandn.m, spstats.m, svds.m,
treelayout.m, treeplot.m, bessel.m, factor.m, legendre.m, perms.m, primes.m,
magic.m, toeplitz.m, corr.m, cov.m, mean.m, median.m, mode.m, qqplot.m,
quantile.m, ranks.m, zscore.m, logistic_regression_likelihood.m,
bartlett_test.m, chisquare_test_homogeneity.m, chisquare_test_independence.m,
kolmogorov_smirnov_test.m, run_test.m, u_test.m, wilcoxon_test.m, z_test.m,
z_test_2.m, bin2dec.m, dec2base.m, mat2str.m, strcat.m, strchr.m, strjust.m,
strtok.m, substr.m, untabify.m, assert.m, demo.m, example.m, fail.m, speed.m,
test.m, now.m: Use Octave coding conventions for cuddling parentheses in
scripts directory.
| author | Rik <octave@nomad.inbox5.com> |
|---|---|
| date | Tue, 17 Jul 2012 07:08:39 -0700 |
| parents | 86854d032a37 |
| children | 092d0a685546 |
| rev | line source |
|---|---|
|
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1 ## Copyright (C) 2007-2012 Ben Abbott |
| 6935 | 2 ## |
| 7016 | 3 ## This file is part of Octave. |
| 6935 | 4 ## |
| 7016 | 5 ## Octave is free software; you can redistribute it and/or modify it |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 6935 | 14 ## |
| 15 ## You should have received a copy of the GNU General Public License | |
| 7016 | 16 ## along with Octave; see the file COPYING. If not, see |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 6935 | 18 |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {@var{h} =} findobj () |
| 8507 | 21 ## @deftypefnx {Function File} {@var{h} =} findobj (@var{prop_name}, @var{prop_value}) |
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22 ## @deftypefnx {Function File} {@var{h} =} findobj ("-property", @var{prop_name}) |
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23 ## @deftypefnx {Function File} {@var{h} =} findobj ("-regexp", @var{prop_name}, @var{pattern}) |
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24 ## @deftypefnx {Function File} {@var{h} =} findobj ("flat", @dots{}) |
| 6935 | 25 ## @deftypefnx {Function File} {@var{h} =} findobj (@var{h}, @dots{}) |
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26 ## @deftypefnx {Function File} {@var{h} =} findobj (@var{h}, "-depth", @var{d}, @dots{}) |
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27 ## Find graphics object with specified property values. The simplest form is |
| 6935 | 28 ## |
| 29 ## @example | |
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30 ## findobj (@var{prop_name}, @var{prop_value}) |
| 6935 | 31 ## @end example |
| 32 ## | |
| 33 ## @noindent | |
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34 ## which returns all of the handles to the objects with the name |
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35 ## @var{prop_name} and the name @var{prop_value}. The search can be limited |
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36 ## to a particular object or set of objects and their descendants by |
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37 ## passing a handle or set of handles @var{h} as the first argument to |
| 6935 | 38 ## @code{findobj}. |
| 39 ## | |
| 40 ## The depth of hierarchy of objects to which to search to can be limited | |
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41 ## with the "-depth" argument. To limit the number depth of the hierarchy |
| 6935 | 42 ## to search to @var{d} generations of children, and example is |
| 43 ## | |
| 44 ## @example | |
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45 ## findobj (@var{h}, "-depth", @var{d}, @var{prop_name}, @var{prop_value}) |
| 6935 | 46 ## @end example |
| 47 ## | |
| 48 ## Specifying a depth @var{d} of 0, limits the search to the set of object | |
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49 ## passed in @var{h}. A depth @var{d} of 0 is equivalent to the "-flat" |
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50 ## argument. |
| 6935 | 51 ## |
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52 ## A specified logical operator may be applied to the pairs of @var{prop_name} |
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53 ## and @var{prop_value}. The supported logical operators are "-and", "-or", |
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54 ## "-xor", "-not". |
| 6935 | 55 ## |
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56 ## The objects may also be matched by comparing a regular expression to the |
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57 ## property values, where property values that match @code{regexp |
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58 ## (@var{prop_value}, @var{pattern})} are returned. Finally, objects may be |
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59 ## matched by property name only, using the "-property" option. |
| 6935 | 60 ## @seealso{get, set} |
| 61 ## @end deftypefn | |
| 62 | |
| 7017 | 63 ## Author: Ben Abbott <bpabbott@mac.com> |
| 64 | |
| 6935 | 65 function h = findobj (varargin) |
| 66 | |
| 67 depth = NaN; | |
| 68 if (nargin == 0) | |
| 69 handles = 0; | |
| 70 n1 = 0; | |
| 71 else | |
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72 if (! isempty (varargin{1})) |
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73 if (ishandle (varargin{1}(1))) |
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74 handles = varargin{1}; |
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75 n1 = 2; |
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76 else |
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77 handles = 0; |
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78 n1 = 1; |
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79 endif |
| 6935 | 80 else |
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81 ## Return [](0x1) for compatibility. |
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82 h = zeros (0, 1); |
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83 return; |
| 7151 | 84 endif |
| 6935 | 85 if (n1 <= nargin) |
| 86 if (ischar (varargin{n1})) | |
| 10549 | 87 if (strcmpi (varargin{n1}, "flat")) |
| 88 depth = 0; | |
| 89 n1 = n1 + 1; | |
| 90 elseif (strcmpi (varargin{n1}, "-depth")) | |
| 91 depth = varargin{n1+1}; | |
| 92 n1 = n1 + 2; | |
| 93 endif | |
| 6935 | 94 else |
| 10549 | 95 error ("findobj: properties and options must be strings"); |
| 6935 | 96 endif |
| 97 endif | |
| 98 endif | |
| 99 | |
| 100 if (n1 <= nargin && nargin > 0) | |
| 101 args = varargin(n1 : nargin); | |
| 102 else | |
| 103 args = {}; | |
| 104 endif | |
| 105 | |
| 106 regularexpression = []; | |
| 107 property = []; | |
| 108 logicaloperator = {}; | |
| 109 pname = {}; | |
| 110 pvalue = {}; | |
| 111 np = 1; | |
| 112 na = 1; | |
| 113 | |
| 114 while (na <= numel (args)) | |
| 115 regularexpression(np) = 0; | |
| 116 property(np) = 0; | |
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117 logicaloperator{np} = "and"; |
| 7208 | 118 if (ischar (args{na})) |
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119 if (strcmpi (args{na}, "-regexp")) |
| 10549 | 120 if (na + 2 <= numel (args)) |
| 121 regularexpression(np) = 1; | |
| 122 na = na + 1; | |
| 123 pname{np} = args{na}; | |
| 124 na = na + 1; | |
| 125 pvalue{np} = args{na}; | |
| 126 na = na + 1; | |
| 127 np = np + 1; | |
| 128 else | |
| 129 error ("findobj: inconsistent number of arguments"); | |
| 130 endif | |
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131 elseif (strcmpi (args{na}, "-property")) |
| 10549 | 132 if (na + 1 <= numel (args)) |
| 133 na = na + 1; | |
| 134 property(np) = 1; | |
| 135 pname{np} = args{na}; | |
| 136 na = na + 1; | |
| 137 pvalue{np} = []; | |
| 138 np = np + 1; | |
| 139 else | |
| 140 error ("findobj: inconsistent number of arguments"); | |
| 141 endif | |
| 8506 | 142 elseif (! strcmp (args{na}(1), "-")) |
| 10549 | 143 ## Parameter/value pairs. |
| 144 if (na + 1 <= numel (args)) | |
| 145 pname{np} = args{na}; | |
| 146 na = na + 1; | |
| 147 pvalue{np} = args{na}; | |
| 148 na = na + 1; | |
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149 if (na <= numel (args)) |
| 10549 | 150 if (ischar (args{na})) |
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151 if (strcmpi (args{na}, "-and")) |
| 10549 | 152 logicaloperator{np} = "and"; |
| 153 na = na+1; | |
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154 elseif (strcmpi (args{na}, "-or")) |
| 10549 | 155 logicaloperator{np} = "or"; |
| 156 na = na+1; | |
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157 elseif (strcmpi (args{na}, "-xor")) |
| 10549 | 158 logicaloperator{np} = "xor"; |
| 159 na = na+1; | |
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160 elseif (strcmpi (args{na}, "-not")) |
| 10549 | 161 logicaloperator{np} = "not"; |
| 162 na = na+1; | |
| 163 endif | |
| 164 else | |
| 165 error ("findobj: properties and options must be strings"); | |
| 166 endif | |
| 167 else | |
| 168 logicaloperator{np} = "and"; | |
| 169 endif | |
| 170 np = np + 1; | |
| 171 else | |
| 172 error ("findobj: inconsistent number of arguments"); | |
| 173 endif | |
| 6935 | 174 else |
| 10549 | 175 ## This is sloppy ... but works like Matlab. |
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176 if (strcmpi (args{na}, "-not")) |
| 10549 | 177 h = []; |
| 178 return | |
| 179 endif | |
| 180 na = na + 1; | |
| 6935 | 181 endif |
| 182 else | |
| 183 error ("findobj: properties and options must be strings"); | |
| 184 endif | |
| 185 endwhile | |
| 186 | |
| 187 numpairs = np - 1; | |
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188 |
| 8506 | 189 ## Load all objects which qualify for being searched. |
| 6935 | 190 idepth = 0; |
| 191 h = handles; | |
| 192 while (numel (handles) && ! (idepth >= depth)) | |
| 193 children = []; | |
| 194 for n = 1 : numel (handles) | |
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195 children = union (children, get (handles(n), "children")); |
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196 endfor |
| 6935 | 197 handles = children; |
| 198 h = union (h, children); | |
| 199 idepth = idepth + 1; | |
| 200 endwhile | |
| 201 | |
| 202 keepers = ones (size (h)); | |
| 203 if (numpairs > 0) | |
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204 for nh = 1 : numel (h) |
| 6935 | 205 p = get (h (nh)); |
| 206 for np = 1 : numpairs | |
| 10549 | 207 fields = fieldnames (p); |
| 208 fieldindex = find (strcmpi (fields, pname{np}), 1); | |
| 209 if (numel (fieldindex)) | |
| 6935 | 210 pname{np} = fields{fieldindex}; |
| 211 if (property(np)) | |
| 212 match = 1; | |
| 213 else | |
| 214 if (regularexpression(np)) | |
| 10549 | 215 match = regexp (p.(pname{np}), pvalue{np}); |
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216 if (isempty (match)) |
| 6935 | 217 match = 0; |
| 7151 | 218 endif |
| 6935 | 219 elseif (numel (p.(pname{np})) == numel (pvalue{np})) |
| 10549 | 220 if (ischar (pvalue{np})) |
| 221 match = strcmpi (pvalue{np}, p.(pname{np})); | |
| 222 else | |
| 223 match = (pvalue{np} == p.(pname{np})); | |
| 224 endif | |
| 6935 | 225 else |
| 10549 | 226 match = 0; |
| 6935 | 227 endif |
| 228 match = all (match); | |
| 229 endif | |
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230 if (strcmpi (logicaloperator{np}, "not")) |
| 6935 | 231 keepers(nh) = ! keepers(nh) & ! match; |
| 232 else | |
| 233 keepers(nh) = feval (logicaloperator{np}, keepers(nh), match); | |
| 234 endif | |
| 10549 | 235 else |
| 236 keepers(nh) = 0; | |
| 237 endif | |
| 6935 | 238 endfor |
| 239 endfor | |
| 240 endif | |
| 241 | |
| 242 h = h (keepers != 0); | |
| 243 h = reshape (h, [numel(h), 1]); | |
| 244 endfunction | |
| 13096 | 245 |
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246 |
| 13096 | 247 %!test |
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248 %! hf = figure ("visible", "off"); |
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249 %! unwind_protect |
| 13096 | 250 %! l = line; |
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251 %! obj = findobj (hf, "type", "line"); |
| 13096 | 252 %! assert (l, obj); |
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253 %! assert (gca, findobj (hf, "type", "axes")); |
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254 %! assert (hf, findobj (hf, "type", "figure")); |
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255 %! assert (isempty (findobj (hf, "type", "xyzxyz"))); |
| 13096 | 256 %! unwind_protect_cleanup |
| 257 %! close (hf); | |
| 258 %! end_unwind_protect | |
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259 |