DialogWindow closes immediately in VST2 on macOS about juce HOT 4 CLOSED

I would strongly suggest using a child component to display your dialog; popping up modal dialogs from within plug-ins is fraught with danger. For example, in your code above, if you close the host application while the dialog is open then you will have a memory leak.

from juce.

Thanks for the suggestion.

The code above is just a minimalistic reproduction of the problem, in reality I'm creating the ModalDialog in the constructor of my PluginEditor and that is managing it's livetime. If I do it slightly later, all is good. Also with VST3 and AU, all is dandy.

AFAIK the modal component manager takes care of closing all remaining modal dialogs at exit. Otherwise PopupMenus et.al. would have the same problem, as they also are modal components (see void ComboBox::showPopup(), PopupMenu::showMenuAsync(), ).

I think it's just an issue with the order stuff is done when a new VST2-Plugin Editor is created.

EDIT: the reason why I want to create a modal dialog is, that I have components that are larger than my main plugin editor.

from juce.

Popups are vulnerable to the same problem; the JUCE Demo was only fixed a few days ago (6547452 and e2dc460).

I'll see if we can improve the modal state handling when a VST editor is created, though if I recall correctly it's occasionally necessary to create an editor silently in the background to please some hosts.

from juce.

I re-designed my UI, so that I no longer have this issue. thx.

from juce.