set_activatable
Description:
Sets this to be activatable.
If a row is activatable, double-clicking on the row, using the Return key or calling
activate will activate the row. Activating instructs the containing columnview to emit the [signal@Gtk.ColumnView:
GtkColumnViewRow:activate] signal.
By default, row are activatable.
Parameters:
| this |
a `GtkColumnViewRow` |
| activatable |
if the row should be activatable |