public FocusAttachment attach(BuildContext context, FocusOnKeyCallback onKey = null)
{
_context = context;
_onKey = onKey ?? _onKey;
_attachment = new FocusAttachment(this);
return(_attachment);
}
public FocusNode(
string debugLabel = "",
FocusOnKeyCallback onKey = null,
bool skipTraversal = false,
bool canRequestFocus = true
)
{
_skipTraversal = skipTraversal;
_canRequestFocus = canRequestFocus;
_onKey = onKey;
this.debugLabel = debugLabel;
}
public FocusScopeNode(
string debugLabel = null,
FocusOnKeyCallback onKey = null,
bool skipTraversal = false,
bool canRequestFocus = true
) : base(
debugLabel: debugLabel,
onKey: onKey,
canRequestFocus: canRequestFocus,
skipTraversal: skipTraversal
)
{
}
public FocusScope(
Key key = null,
FocusScopeNode node = null,
Widget child = null,
bool autofocus = false,
ValueChanged <bool> onFocusChange = null,
bool?canRequestFocus = null,
bool?skipTraversal = null,
FocusOnKeyCallback onKey = null,
string debugLabel = null
) : base(
key: key,
child: child,
focusNode: node,
autofocus: autofocus,
onFocusChange: onFocusChange,
canRequestFocus: canRequestFocus,
skipTraversal: skipTraversal,
onKey: onKey,
debugLabel: debugLabel)
{
D.assert(child != null);
}
public Focus(
Key key = null,
Widget child = null,
FocusNode focusNode = null,
bool autofocus = false,
ValueChanged <bool> onFocusChange = null,
FocusOnKeyCallback onKey = null,
string debugLabel = null,
bool?canRequestFocus = null,
bool?skipTraversal = null,
bool includeSemantics = true
) : base(key: key)
{
D.assert(child != null);
this.child = child;
this.focusNode = focusNode;
this.autofocus = autofocus;
this.onFocusChange = onFocusChange;
this.onKey = onKey;
this.debugLabel = debugLabel;
this.canRequestFocus = canRequestFocus;
this.skipTraversal = skipTraversal;
this.includeSemantics = includeSemantics;
}