[Octave-bug-tracker] [bug #39234] Special treatment of {x, y, z}data listeners for hggroups

[Ben Abbott]

Update of bug #39234 (project octave):

             Assigned to:                    None => bpabbott               
                 Summary: listener triggered before set(...) completes =>
Special treatment of {x,y,z}data listeners for hggroups

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Follow-up Comment #2:

opps, another error.  My inference regarding "PostSet" is likely wrong.  The
code below runs in Matlabl without eror.


N = 10;
xdata = 0:N;
ydata = rand (1, numel (xdata));
figure (1)
clf ()
h = stem (xdata, ydata);
set (h, 'xdata', 0:(2*N))
xdata_kids = get (get (h, 'children'), 'xdata');
xdata_kids{1}
xdata_kids{2}


and returns


ans =

  Columns 1 through 18

     0     0   NaN     1     1   NaN     2     2   NaN     3     3   NaN     4
    4   NaN     5     5   NaN

  Columns 19 through 33

     6     6   NaN     7     7   NaN     8     8   NaN     9     9   NaN    10
   10   NaN

ans =

     0     1     2     3     4     5     6     7     8     9    10


>From this I infer that the fix should be made in __stem__.m::update_data()

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