On Jan 19, 2015, at 16:03, Mark Rizun <mrizun@gmail.com> wrote:Just tried, nope it doesn't work :)2015-01-19 15:51 GMT+01:00 Johan Fabry <jfabry@dcc.uchile.cl>:I���m not sure that this is what you need, but have you tried changing the read selection block? ( TextModel>>readSelectionBlock: aBlock ) I would imagine that that is the block that is called when a selection is changed.On Jan 19, 2015, at 15:20, Mark Rizun <mrizun@gmail.com> wrote:Ok, I see. That's not good, but thanks.However, TextModel has selection as instance variable, so maybe I could implement event that I need?