public void _openContextMenu()
{
setState(() => {
_childHidden = true;
});
_route = new _ContextMenuRoute(
actions: widget.actions,
barrierLabel: "Dismiss",
filter: ImageFilter.blur(
sigmaX: 5.0f,
sigmaY: 5.0f
),
contextMenuLocation: _contextMenuLocation,
previousChildRect: _decoyChildEndRect,
builder: (BuildContext _context, Animation <float> animation) => {
if (widget.previewBuilder == null)
{
return(widget.child);
}
return(widget.previewBuilder(_context, animation, widget.child));
}
);
Navigator.of(context, rootNavigator: true).push(_route);
_route.animation.addStatusListener(_routeAnimationStatusListener);
}
public void _routeAnimationStatusListener(AnimationStatus status)
{
if (status != AnimationStatus.dismissed)
{
return;
}
setState(() => {
_childHidden = false;
});
_route.animation.removeStatusListener(_routeAnimationStatusListener);
_route = null;
}