[Octave-bug-tracker] [bug #60153] uicontrol pushbutton has different behavior for 'Value' field from Matlab

[Markus Mützel]

Update of bug #60153 (project octave):

                Category:         Octave Function => GUI                    
                 Release:                   6.2.0 => dev                    

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Follow-up Comment #2:

I ran the test case from comment #1 in Matlab R2020b.
The callback seems to execute on the release of the mouse button.

The button gets a blue-ish hue when it is selected. Even after releasing the
mouse button, the pushbutton keeps that color until I click somewhere else (in
the same figure or a different program).
However, I see the following in the command line while the button is still
blue-ish:

>> global h_b
>> get(h_b, 'Value')

ans =

  4×1 cell array

    {[0]}
    {[0]}
    {[0]}
    {[0]}


So the color change doesn't relate to the "Value" property.

It looks like Matlab executes the callback on the ButtonRelease event but
(just) before the "Value" property is updated.

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