[Octave-bug-tracker] [bug #45364] waitbar function doesnt implement the CreateCancelBtn option

[Amro]

URL:
  <http://savannah.gnu.org/bugs/?45364>

                 Summary: waitbar function doesnt implement the
CreateCancelBtn option
                 Project: GNU Octave
            Submitted by: amro_octave
            Submitted on: Sat 20 Jun 2015 12:17:57 PM EEST
                Category: GUI
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 4.0.0
        Operating System: Any

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Details:

Octave doesn't support creating a waitbar
<http://www.mathworks.com/help/matlab/ref/waitbar.html> with a cancel button.

Example that works in MATLAB (tested in latest R2015a):


h = waitbar(0, 'test', 'CreateCancelBtn','setappdata(h,''cancel'',1)');
setappdata(h,'cancel',0)

for i=1:10
    if getappdata(h,'cancel'), break; end
    waitbar(i/10,h);
    pause(0.5);
end

delete(h)


Octave throws an error on the first line:


error: set: unknown figure property CreateCancelBtn
error: called from
    figure at line 86 column 7
    waitbar at line 112 column 8






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