Zoom breaks UIFigureWindowKeyPress in App Designer

Question

Zel Hurewitz 2024-7-17，23:31

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2138267-zoom-breaks-uifigurewindowkeypress-in-app-designer

移动：Walter Roberson 2024-7-18，17:38

app2.mlapp

Using zoom icon in the UIAxis or the zoom() function in the startup function in App Designer seems to be stopping me from also being able to use keyboard callback.

function startupFcn(app)

zoom(app.UIAxes,'on')

end

The callback function below no longer works as desired (printing out each key to the command window).

function UIFigureWindowKeyPress(app, event)

key = event.Key;

disp(key)

end

This seems to be a similar problem to this question. Probably the UIFigure is no longer highlighted. I attached a basic app which shows this problem. Does anyone know how to fix or get around this?

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Answer 1

Ayush Modi 2024-7-18，6:04

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2138267-zoom-breaks-uifigurewindowkeypress-in-app-designer#answer_1487631

移动：Walter Roberson 2024-7-18，17:38

Hi Zel,

When the zoom mode is enabled(using zoom icon or by zoom function), the control stays with the function.

The UIFigureWindowKeyPress event is not triggered with zoom mode enabled because MATLAB supports only 1 function at a time. Once, the zoom mode is disabled, you can see the callback function triggered on keyPress.

If possible, disable the zoom mode from the toolbar and try to trigger the callback again with key press.

As a workaround, you can see how to trigger two or more callbacks concurrently here -

https://www.mathworks.com/matlabcentral/answers/33674-executing-two-callbacks-concurrently