[poppler] [qt4] Question on the use of the FormFieldChoice class

[Adam Reichold]

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Hello,

Upon making use of the form support in qt4 frontend, I stumbled upon
the following question: If a FormFieldChoice of ChoiceType ComboBox is
editable, the user can type in any desired value which should then
probably be added to the available choices. But how can I add a custom
choice as there is no FormFieldChoice::setChoices?

Thanks for any advice. Best regards, Adam.
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