Gtk.CellArea::apply-attributes

function callback(cell_area, model:Gtk.TreeModel, iter:Gtk.TreeIter, is_expander:Boolean, is_expanded:Boolean, ):void;

This signal is emitted whenever applying attributes to @area from model

Since 3.0

cell_area

instance of Gtk.CellArea that is emitting the signal

model

the Gtk.TreeModel to apply the attributes from

iter

the Gtk.TreeIter indicating which row to apply the attributes of

is_expander

whether the view shows children for this row

is_expanded

whether the view is currently showing the children of this row