While fixing a bug on Tryton’s GTK client (using GTK3) I noticed that while the CellRendererText focus-out handling do trigger the
remove-widget signal this is not the case for the CellRendererCombo (AFAICT from reading the source).
So I ended up emitting the signal myself so that the cleaning up that Tryton does also occurs for the ComboBox. But I wonder if this workaround is correct as I suspect that there’s probably a very good reason not to trigger this signal to begin with.
So I would be very happy if anybody can explain to me if it’s a good solution or if I did something horrible .