I am trying to create a Popup menu, which allows the user to select multiple items at once. The proble, with the JUCE Popup menu: it closes down, as soon as you select an item. But I want to create a Popup menu, which stays open after you selected one item and allows you to select additional items. Something like this:
Maybe some of you have done something similar? And can give hints on how to best implement such a feature?