How to change radio button group selection including the blue highlight circle

Question

Matthias Fath 2024-3-21

0
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https://ww2.mathworks.cn/matlabcentral/answers/2097376-how-to-change-radio-button-group-selection-including-the-blue-highlight-circle

回答： Matthias Fath 2024-3-21

Hi all,

i am using App Designer to build an app including a radio button group. I want to be able to change the selection by mouse click (works fine) but also by using the arrow keys. When using the mouse to change from left to right radio button it looks like this:

I also have created a KeyPressFcn that works mainly fine. But when i change the button groups selection by code with the KeyPressFcn, only the black dot moves, but not the blue highlight circle:

Hereby it doesn't matter if i use

app.rightbutton.Value = true;

or

app.buttongroup.SelectedObject = app.rightbutton

Any idea how to get the blue circle to move as well when using code to change the selction or how to disable it completely?

Regards,

Matthias

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Taylor 2024-3-21

I'm having trouble reproducing this behavior. I'm only able to get UIFigureKeyPress to trigger when I select outside of the radio button group which removes the blue circle altogether. Would you mind attaching your app or a watered down version of it?

Matthias Fath 2024-3-21

编辑：Matthias Fath 2024-3-21

blue_highlight_circle.mlapp

Hi Taylor,

thanks for your response. I attached a simple version of the problem. In my original app and in the simplified version i had to define a KeyPressFcn and a WindowKeyPressFcn as well. If only the KeyPressFcn is defined, i cannot use the arrows when a radio button is selected by mouseclick (when it also gets the blue circle). I guess this is part of the problem.

Regards,

Matthias

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