Displaying dialog from activate-callback

Hi,

This is on Mac. I have an interface with an activation-callback that under certain conditions should show a warning dialog. I just noticed that if I activate the interface by clicking on it, the dialog shows up. But if I use the keyboard to circulate through the application windows, the dialog is never displayed! Instead, I get the following message in the terminal:

2020-04-26 12:13:57.811 lispworks-7-1-0-amd64-darwin[87035:7324967] -[NSApplication runModalForWindow:] may not be invoked inside of transaction begin/commit pair, or inside of transaction commit (usually this means it was invoked inside of a view's -drawRect: method.) The modal dialog has been suppressed to avoid deadlock. (
	0   AppKit                              0x00007fff33b3a947 -[NSApplication runModalForWindow:] + 187
	1   ???                                 0x000000400004feba 0x0 + 274878234298
)

The same thing happens when showing the interface using capi:show-interface and capi:raise-interface.

For me the most confusing part of this is that the behaviour is different when activation is done with the mouse. Any ideas or suggestions?

Thanks
Erik



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