toggle method

void toggle(
  1. bool onHover
)

Implementation

void toggle(bool onHover) {
  setState(() {
    _onHover = onHover;
    if (_onHover && _overlayEntry == null) {
      //获取当前控件在屏幕上的坐标
      RenderBox renderBox = context.findRenderObject() as RenderBox;
      _showTooltip(renderBox: renderBox);
      return;
    }
    if (widget.fixedTip) {
      return;
    }
    close();
  });
}