MATLAB: End Guide GUI with Enter Button

getkeyguidekeypressfcnMATLAB

Hello!

I have a simple GUIDE GUI that has four edit boxes to gather information, and a "Done" button at the bottom. I use uicontrol(handles.editbox1) to put the cursor at the top editbox, and the user can Tab down through the boxes and then to the Done button. At that point, the user can exit by clicking on the Done button, but it would be much cleaner to have them just press "Enter".

Is this properly done in the KeyPressFcn callback for handles.done_button? And do you just see if getkey == 13 in eventdata? I am not sure where this is documented!

Thanks!

Best Answer

Yes, keypressfcn is suitable for this. The eventdata will have a structure for which the field Key will contain 'return' in this case.

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MATLAB: Try to get Content of String of edit-box inside a KeyPressFcn without pressing return

No there is not. You will need to keep track of the characters yourself, or you will need to switch to a Java callback. The String property will not be updated until return is entered or another control gains focus.

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You can use drawnow to update your graphic elements:

function figure1_WindowKeyPressFcn(hObject, eventdata, handles)
key = get(gcf,'CurrentKey');
if (strcmp(key, 'return'))
    
        drawnow
        pushbutton1_Callback(hObject, eventdata, handles)
end

Best Answer

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