SelectionController class
Manages text selection state independently of scroll.
Holds selection start/end coordinates, a selecting flag, and provides methods for text extraction and highlighting. Used by both SelectableText (per-widget) and SelectionArea (cross-widget).
Constructors
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- hasSelection → bool
-
Whether a selection is currently active.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- selecting → bool
-
Whether a drag-selection is in progress.
no setter
- selectionEnd → ({int x, int y})?
-
The selection end point, or null.
no setter
- selectionStart → ({int x, int y})?
-
The selection start point, or null.
no setter
Methods
-
addListener(
void listener()) → void - Adds a listener that is called when the selection changes.
-
clearSelection(
) → void - Clears the selection and notifies listeners.
-
getSelectedText(
List< String> lines) → String -
Extracts the selected text from content
lines. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeListener(
void listener()) → void - Removes a previously added listener.
-
setSelection(
{required ({int x, int y}) start, required ({int x, int y}) end}) → void - Sets the selection and notifies listeners.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited