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From: | David Bateman |
Subject: | Re: [changeset] - improve clf() compatibility |
Date: | Wed, 22 Oct 2008 16:26:07 +0100 |
User-agent: | Mozilla-Thunderbird 2.0.0.16 (X11/20080724) |
John W. Eaton wrote:
In fact the problem is that "newplot" calls __go_axis__init__ which reinitializes the axis but keeps the listeners. Deleting the axis does correctly delete the listener functions. From that point there are two choices, make __go_axis_init__ (ca, "replace") search all of the axis properties for listeners are remove them.. Or alternatively, delete by hand the callbacks elsewhere.. It probably makes sense to do both..On 22-Oct-2008, David Bateman wrote:| 2) The correct solution is to have a means of removing callback | functions in the deletefcn of plotyy. So we need a dellistener function | that corresponds to the existing addlistener function.. I'm working on a | patch along these lines.The Matlab docs indicate that calling delete on the handle returned by addlistener should delete the object remove the listener function. It looks like Matlab creates a "handle class object" to represent the listener function. I know, we don't have "handle class objects". Maybe we need to fake something for now, but it seems we should at least use the same interface if possible instead of introducing a new dellistener function. jwe
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