[Octave-bug-tracker] [bug #44748] Mouse click callbacks of a 'listbox' uicontrol

[Guillaume]

URL:
  <http://savannah.gnu.org/bugs/?44748>

                 Summary: Mouse click callbacks of a 'listbox' uicontrol
                 Project: GNU Octave
            Submitted by: gyom
            Submitted on: Mon 06 Apr 2015 06:02:36 PM GMT
                Category: Plotting
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Matlab Compatibility
                  Status: None
             Assigned to: None
         Originator Name: Guillaume
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: GNU/Linux

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Details:


F = figure;
H = uicontrol(F,...
    'style','listbox',...
    'units','normalized',...
    'Position',[0.05 0.05 0.9 0.9],...
    'Callback','disp(''select'');',...
    'String',{'aaaaaa','bbbbbb','cccccc','dddddd'});
C = uicontextmenu('Parent',F);
set(H,'uicontextmenu',C);
uimenu('Label','Do something', 'Parent',C,'Callback','disp(''menu'')');


With this figure, MATLAB behaviour is:
* callback triggered only on key-up of left click, even if item already
selected.
  (in Octave, if an item is already selected, a click on it does not trigger
callback)
* nothing happens with middle click.
* right click dislays contextual menu but does not trigger callback nor change
the selected item.




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