LiveKeyFocusRingPainter class
The focus ring in the per-frame colour, corner fraction and width of theme.
- Inheritance
-
- Object
- Listenable
- CustomPainter
- KeyFocusRingPainter
- LiveKeyFocusRingPainter
- Available extensions
Constructors
Properties
- color → Color
-
Ring colour (≥ 3:1 against the background).
no setteroverride
- cornerFraction → double
-
The key's corner fraction (the ring follows the key's corners).
no setteroverride
- hashCode → int
-
The hash code for this object.
no setterinherited
- keyFaceDelegate → CustomPainter
-
Available on CustomPainter, provided by the LiveKeyFacePainterAccess extension
The renderer's painter behind a LiveKeyFacePainter (this painter otherwise).no setter - offset → double
-
Gap between the key edge and the ring.
finalinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- semanticsBuilder → SemanticsBuilderCallback?
-
Returns a function that builds semantic information for the picture drawn
by this painter.
no setterinherited
-
theme
→ ValueListenable<
CalcThemeData> -
The per-frame theme.
final
- width → double
-
Stroke width.
no setteroverride
Methods
-
addListener(
VoidCallback listener) → void -
Register a closure to be notified when it is time to repaint.
inherited
-
hitTest(
Offset position) → bool? -
Called whenever a hit test is being performed on an object that is using
this custom paint delegate.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
paint(
Canvas canvas, Size size) → void -
Called whenever the object needs to paint. The given Canvas has its
coordinate space configured such that the origin is at the top left of the
box. The area of the box is the size of the
sizeargument.inherited -
removeListener(
VoidCallback listener) → void -
Remove a previously registered closure from the list of closures that the
object notifies when it is time to repaint.
inherited
-
shouldRebuildSemantics(
covariant CustomPainter oldDelegate) → bool -
Called whenever a new instance of the custom painter delegate class is
provided to the RenderCustomPaint object, or any time that a new
CustomPaint object is created with a new instance of the custom painter
delegate class (which amounts to the same thing, because the latter is
implemented in terms of the former).
inherited
-
shouldRepaint(
covariant KeyFocusRingPainter oldDelegate) → bool -
Called whenever a new instance of the custom painter delegate class is
provided to the RenderCustomPaint object, or any time that a new
CustomPaint object is created with a new instance of the custom painter
delegate class (which amounts to the same thing, because the latter is
implemented in terms of the former).
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited