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[Octave-bug-tracker] [bug #56658] SelectionType callback is executed wit


From: Rik
Subject: [Octave-bug-tracker] [bug #56658] SelectionType callback is executed with variable delay depending on where click occurs
Date: Mon, 22 Jul 2019 13:14:16 -0400 (EDT)
User-agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like Gecko

URL:
  <https://savannah.gnu.org/bugs/?56658>

                 Summary: SelectionType callback is executed with variable
delay depending on where click occurs
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Mon 22 Jul 2019 10:14:15 AM PDT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Other
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

I don't know if this is serious, or not, and thus whether it is worth fixing. 
But I notice a delay when executing the callback in the following code which
is dependent on where the mouse click occurs in the figure.

Code to reproduce:


close all
graphics_toolkit qt
demo sombrero
set (gcf, 'ButtonDownFcn', 'get(gcbf,''SelectionType''),fflush(stdout);')


Right-click (or double-click or middle-click) within the figure, but outside
the axes object and the sombrero plot.  The callback is executed immediately.

Right-click inside the axes object on top of the sombrero.  The callback is
executed after some delay.





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