deinit

pub fn deinit(self: *ScrollAreaWidget) void {
    defer if (dvui.widgetIsAllocated(self)) dvui.widgetFree(self);
    defer self.* = undefined;

    if (self.scroll) |*s| {
        dvui.dataSet(null, self.hbox.data().id, "_scroll_id", s.data().id);
        s.deinit();
    }

    if (self.hbar_grab) |hb| hb.draw();

    self.vbox.deinit();

    if (self.vbar_grab) |vb| vb.draw();

    dvui.dataSet(null, self.hbox.data().id, "_scroll_info", self.si.*);

    self.hbox.deinit();
}