I’ve spent the entire weekend trying to get a keyboard in the AUv3 for naming presets, and discovered the following points:
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There doesn’t seem to be any method by which an editable label or TextEditor can trigger a keyboard in a sandboxed AUv3.
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None of the alert boxes work… (Not surprising, considering they are top-level windows, and not owned by the AUv3 view.
Those two things are not surprising. What is surprising is this: if I create a normal AlertWindow, and add a text editor box to it, it will spawn a keyboard in an AUv3. You can’t see the alert, but you can see the keyboard, edit the value, and hit return to get the value.
So my question is thus: why can an AlertWindow spawn a keyboard yet not be visible, yet a visible text label or text editor not spawn a keyboard?