ExtendedTextSelectionOverlay class Null safety

An object that manages a pair of text selection handles.

The selection handles are displayed in the Overlay that most closely encloses the given BuildContext.

Constructors

ExtendedTextSelectionOverlay({required TextEditingValue value, required BuildContext context, Widget? debugRequiredFor, required LayerLink toolbarLayerLink, required LayerLink startHandleLayerLink, required LayerLink endHandleLayerLink, required ExtendedTextSelectionRenderObject renderObject, TextSelectionControls? selectionControls, bool handlesVisible = false, TextSelectionDelegate? selectionDelegate, DragStartBehavior dragStartBehavior = DragStartBehavior.start, VoidCallback? onSelectionHandleTapped, ClipboardStatusNotifier? clipboardStatus})
Creates an object that manages overly entries for selection handles. [...]

Properties

clipboardStatus ClipboardStatusNotifier?
Maintains the status of the clipboard for determining if its contents can be pasted or not. [...]
final
context BuildContext
The context in which the selection handles should appear. [...]
final
debugRequiredFor Widget?
Debugging information for explaining why the Overlay is required.
final
dragStartBehavior DragStartBehavior
Determines the way that drag start behavior is handled. [...]
final
The objects supplied to the CompositedTransformTarget that wraps the location of end selection handle.
final
handlesAreVisible bool
Whether the handles are currently visible.
read-only
handlesVisible bool
Whether selection handles are visible. [...]
read / write
hashCode int
The hash code for this object. [...]
read-only, inherited
onSelectionHandleTapped VoidCallback?
A callback that's invoked when a selection handle is tapped. [...]
final
renderObject ExtendedTextSelectionRenderObject
The editable line in which the selected text is being displayed.
final
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
selectionControls TextSelectionControls?
Builds text selection handles and toolbar.
final
selectionDelegate TextSelectionDelegate?
The delegate for manipulating the current selection in the owning text field.
final
The objects supplied to the CompositedTransformTarget that wraps the location of start selection handle.
final
toolbarIsVisible bool
Whether the toolbar is currently visible.
read-only
The object supplied to the CompositedTransformTarget that wraps the text field.
final
value TextEditingValue
Retrieve current value.
@visibleForTesting, read-only

Methods

dispose() → void
Final cleanup.
hide() → void
Hides the entire overlay including the toolbar and the handles.
hideHandles() → void
Destroys the handles by removing them from overlay.
hideToolbar() → void
Hides the toolbar part of the overlay. [...]
noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
inherited
showHandles() → void
Builds the handles by inserting them into the context's overlay.
showToolbar() → void
Shows the toolbar by inserting it into the context's overlay.
toString() String
A string representation of this object. [...]
inherited
update(TextEditingValue newValue) → void
Updates the overlay after the selection has changed. [...]
updateForScroll() → void
Causes the overlay to update its rendering. [...]

Operators

operator ==(Object other) bool
The equality operator. [...]
inherited

Constants

fadeDuration → const Duration
Controls the fade-in and fade-out animations for the toolbar and handles.
Duration(milliseconds: 150)