One idea is to hook the widget to the "leave-notify-event", which will
be triggered when the mouse leaves the widget.

On Tue, Feb 12, 2019 at 8:32 AM Mike Martin via gtk-app-devel-list
<> wrote:
> Is this possible?
> I have a (for example) a grid which contains
> Various action widgets
> And a Treeview based on a liststore
> Is there any way to make sure that the changes made to a cell in the
> liststore are "committed" if I click on one of the other widgets
> I cant find anything to do this and if I leave the cell without pressing
> enter or clicking on another cell, all changes are lost
> thanks
> Mike
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