How to caught signal from the popup list of a GtkEntryCompletion

I have an application with a GtkEntry. As a feature of the program, I use key-press-event signals on this entry for GDK_KEY_Up, GDK_KEY_Down, GDK_KEY_Return and GDK_KEY_KP_Enter. But the I also would like to disable these homemade functions when the GtkEntryCompletion shows completion popup

Re: Scrolling to a GtkListBoxRow after adding it to a GtkListBox

On Sun, Apr 15, 2018 at 1:05 PM, "Matthew A. Postiff" wrote: Is the issue that the widget is not yet drawn, so it size/location coords are not settled yet? I originally thought so, but when it occurred it looked like it was actually be correctly getting scrolled to