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annotate scripts/plot/guihandles.m @ 17475:fd01c78caa0b

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Added tag ss-3-7-7 for changeset cc13924a4266
author John W. Eaton <jwe@octave.org>
date Mon, 23 Sep 2013 13:31:11 -0400
parents 1c89599167a6
children edd15fceff14
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2012 Michael Goffioul
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {@var{hdata} =} guihandles (@var{handle})
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21 ## @deftypefnx {Function File} {@var{hdata} =} guihandles
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22 ##
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23 ## @seealso{guidata, getappdata, setappdata}
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24 ## @end deftypefn
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25
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26 ## Author: goffioul
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27
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28 function hdata = guihandles (varargin)
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29
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30 hdata = [];
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31
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32 if (nargin == 0 || nargin == 1)
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33 if (nargin == 1)
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34 h = varargin{1};
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35 if (ishandle (h))
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36 h = ancestor (h, "figure");
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37 if (isempty (h))
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38 error ("no ancestor figure found");
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39 endif
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40 else
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41 error ("invalid object handle");
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42 endif
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43 else
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44 h = gcf ();
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45 endif
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46 hdata = __make_guihandles_struct__ (h, hdata);
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47 else
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48 print_usage ();
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49 endif
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50
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51 endfunction
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52
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53 function hdata = __make_guihandles_struct__ (h, hdata)
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54
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55 tag = get (h, "tag");
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56 if (! isempty (tag))
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57 if (isfield (hdata, tag))
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58 hdata.(tag) = [hdata.(tag), h];
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59 else
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60 try
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61 hdata.(tag) = h;
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62 catch
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63 end_try_catch
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64 endif
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65 endif
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66
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67 kids = allchild (h);
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68 for i = 1 : length (kids)
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69 hdata = __make_guihandles_struct__ (kids(i), hdata);
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70 endfor
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71
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72 endfunction
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73