[Octave-bug-tracker] [bug #42285] linkprop doesn't always work with axes limits

[Pantxo Diribarne]

Follow-up Comment #6, bug #42285 (project octave):

What about adding an argument to addlistener? This argument could be a list of
handles of objects that are necessary for the listener function to work. 
Then addlistener could feed the deletfcn callback list of those objects with
the appropriate dellistener function. Not sure my explanation is clear so here
is an example in which changing the linewidth of the axes would change the
linewidth of its line children:


ax = axes ();
li = line (1:10, 1:10);
update_width = @(h, dummy, hline) set (hline, "linewidth", get (h,
"linewidth"));
addlistener (ax, "linewidth", address@hidden, li}, li) ## note the fourth
argument
   

The fourth argument simply adds "dellistener (ax, "linewidth", address@hidden,
li})" to li's deletefcn callback list.

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