WindowKeyPressFcn blocked when a uiprogressdlg is active - any workarounds?

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Will Grant
Will Grant 2021-2-9
编辑： Will Grant 2021-2-9
I have a WindowKeyPressFcn on a uifigure and I would like it to continue to respond to key presses when a uiprogressdlg is active.
It appears that the uiprogressdlg blocks events going to the figure.
But uiprogressdlg does not appear to have any ability to add any key/button handlers directly to it. Only the ability to add the 'cancelable' button, which does not actually fire a callback when pressed.
I already tried inspecting the hidden properties of the uiprogressdlg object via struct(), and I can find handles back to the parent figure, but nothing that appears to be a control or object for the uiprogressdlg where I could add event handlers.
Are there any workarounds to this?

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