public override Widget build(BuildContext context)
{
D.assert(Overlay.of(context, debugRequiredFor: widget) != null);
ThemeData theme = Theme.of(context);
TooltipThemeData tooltipTheme = TooltipTheme.of(context);
TextStyle defaultTextStyle;
BoxDecoration defaultDecoration;
if (theme.brightness == Brightness.dark)
{
defaultTextStyle = theme.textTheme.bodyText2.copyWith(
color: Colors.black
);
defaultDecoration = new BoxDecoration(
color: Colors.white.withOpacity(0.9f),
borderRadius: BorderRadius.all(Radius.circular(4))
);
}
else
{
defaultTextStyle = theme.textTheme.bodyText2.copyWith(
color: Colors.white
);
defaultDecoration = new BoxDecoration(
color: Colors.grey[700].withOpacity(0.9f),
borderRadius: BorderRadius.all(Radius.circular(4))
);
}
height = widget.height ?? tooltipTheme?.height ?? _defaultTooltipHeight;
padding = widget.padding ?? tooltipTheme?.padding ?? _defaultPadding;
margin = widget.margin ?? tooltipTheme?.margin ?? _defaultMargin;
verticalOffset = widget.verticalOffset ?? tooltipTheme?.verticalOffset ?? _defaultVerticalOffset;
preferBelow = widget.preferBelow ?? tooltipTheme?.preferBelow ?? _defaultPreferBelow;
excludeFromSemantics = widget.excludeFromSemantics ?? tooltipTheme?.excludeFromSemantics ?? _defaultExcludeFromSemantics;
decoration = widget.decoration ?? tooltipTheme?.decoration ?? defaultDecoration;
textStyle = widget.textStyle ?? tooltipTheme?.textStyle ?? defaultTextStyle;
waitDuration = widget.waitDuration ?? tooltipTheme?.waitDuration ?? _defaultWaitDuration;
showDuration = widget.showDuration ?? tooltipTheme?.showDuration ?? _defaultShowDuration;
Widget result = new GestureDetector(
behavior: HitTestBehavior.opaque,
onLongPress: _handleLongPress,
child: widget.child
);
if (_mouseIsConnected)
{
result = new MouseRegion(
onEnter: (PointerEnterEvent _event) => _showTooltip(),
onExit: (PointerExitEvent _event) => _hideTooltip(),
child: result
);
}
return(result);
}
public override Widget wrap(BuildContext context, Widget child)
{
TooltipTheme ancestorTheme = context.findAncestorWidgetOfExactType <TooltipTheme>();
return(ReferenceEquals(this, ancestorTheme) ? child : new TooltipTheme(data: data, child: child));
}
public static TooltipThemeData of(BuildContext context)
{
TooltipTheme tooltipTheme = context.dependOnInheritedWidgetOfExactType <TooltipTheme>();
return(tooltipTheme?.data ?? Theme.of(context).tooltipTheme);
}
