Function mouse_over

js/src/Mark.ts:522–537

()

  }

  mouse_over() {
    if (this.model.get('enable_hover')) {
      const el = d3.select(d3GetEvent().target);
      if (this.is_hover_element(el)) {
        const data: any = el.data()[0];
        //make tooltip visible
        const hovered_data = this.model.get_data_dict(data, data.index);
        this.trigger('update_tooltip', hovered_data);
        this.show_tooltip();
        this.send({
          event: 'hover',
          point: hovered_data,
        });
      }
    }
  }

  mouse_out() {
    if (this.model.get('enable_hover')) {