MATLAB: Update GUIDE GUI when radiobutton is selected

button groupcallbackguiguideradiobutton

I made a radiobutton group in my GUI made in GUIDE, but cannot find a callbackFcn for the radiobuttons in matlab automatically generated script, so I put the my radiobuttons code inside a function that is called by a listbox callback. Now is issue is, when I make a new selection in the radiobuttons group, my GUI only updates after I re-select what is selected earlier in the listbox.

How can I better incorporate the radiobutton code with my m-file in this case? I want my GUI to update whenever I make a new selection in the button groups… Thank you for reading, I really appreciate it!

Best Answer

chlor - in the GUI GUIDE editor, right-click on the radio button group to bring up its pop-up menu. Select *View Callbacks -> SelectionChangeFcn*. This will put that callback within your *.m file. This callback will fire whenever you select a radio button from within this group.

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MATLAB: Issue with GUI editbox callback

You need to save your variables (i.e. the strings from the editboxes) as fields of the structure handles. So correct your functions as the one below:

function subject_editbox_Callback(hObject, eventdata, handles)
input=get(hObject,'String');  
display(input)  
handles.sub=input;
guidata(hObject, handles);

Only then you can concatenate handles.sub with handles.displacement

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Or is it the order of operations? Does the _OpeningFcn get called before the _CreateFcn (for each control), or is it the other way around?

I think that the create functions get called before the opening function, and so the handles structure will be empty at that point. Note the general comment for the OpeningFcn

 % --- Executes just before untitled is made visible.

In fact, if you put breakpoints in the create functions and the opening function, then you should observe that the latter get called before the former.

Since you just want to update your controls with data that is initialized in the opening function, then just do so from there as

 % --- Executes just before ZenKinematics is made visible.
 function ZenKinematics_OpeningFcn(hObject, eventdata, handles, varargin)
 handles = guidata(hObject);
 % update with the angle names
 handles.anglenames = {'Knee','Ankle','Hip'};
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 guidata(hObject,handles);
 % update the controls
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 % uiwait(hObject);

And just remove the equivalent set from the graphpop1 create function and you should be good to go.

I commented out the uiwait in your above code as I don't think that it was in the correct place (before the call to guidata) and am not sure what it's intent is.

Best Answer

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MATLAB: Issue with GUI editbox callback

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