Function show_tooltip

js/src/Mark.ts:325–351

(mouse_events?)

  abstract compute_view_padding();

  show_tooltip(mouse_events?) {
    //this function displays the tooltip at the location of the mouse
    //event is the d3 event for the data.
    //mouse_events is a boolean to enable mouse_events or not.
    //If this property has never been set, it will default to false.
    if (this.tooltip_view) {
      if (
        mouse_events === undefined ||
        mouse_events === null ||
        !mouse_events
      ) {
        this.tooltip_div.style('pointer-events', 'none');
      } else {
        this.tooltip_div.style('pointer-events', 'all');
      }
      applyStyles(this.tooltip_div, this.model.get('tooltip_style')).style(
        'display',
        null
      );
      MessageLoop.sendMessage(
        getLuminoWidget(this.tooltip_view),
        Widget.Msg.AfterShow
      );
      this.parent.popper.enableEventListeners();
      this.move_tooltip();
    }
  }

  move_tooltip(mouse_events?) {
    if (this.tooltip_view) {