Gtk.IconView.prototype.set_activate_on_single_click

function set_activate_on_single_click(single:Boolean):void {
    // Gjs wrapper for gtk_icon_view_set_activate_on_single_click()
}

Causes the Gtk.item-activated signal to be emitted on a single click instead of a double click.

Since 3.8

single

true to emit item-activated on a single click