Cell class final
A single cell in a terminal Buffer.
A cell contains one grapheme, a UvStyle, an optional Link, and its display width. This Dart port keeps the public mutable API but also caches a packed metadata signature so equality and hashing stay fast for the common case of plain single-rune cells.
Constructors
Properties
- asciiCodeUnit → int?
-
Returns the printable ASCII code unit for this cell, if it has one.
no setter
- content ↔ String
-
The grapheme content stored in this cell.
getter/setter pair
- contentFingerprint → int
-
A compact identity for just the cell content, excluding width/style/link.
no setter
- diffOption ↔ CellDiffOption
-
getter/setter pair
- drawable ↔ Object?
-
getter/setter pair
- hashCode → int
-
The hash code for this object.
no setteroverride
- isEmpty → bool
-
Whether this cell represents a plain space with no attributes.
no setter
- isZero → bool
-
Whether this cell has no content, style, link, or drawable.
no setter
- link ↔ Link
-
The canonicalized hyperlink metadata for this cell.
getter/setter pair
- linkId → int?
-
The pooled link id for this cell, if any.
no setter
- outputWidth → int
-
Width used by terminal diff traversal and cursor accounting.
no setter
- packed → PackedCell
-
Returns a fixed-layout packed cell tuple for fast comparisons.
no setter
- pooledContentId → int?
-
The pooled complex grapheme id for this cell, if any.
no setter
- renderFingerprint → int
-
A compact identity for full rendered output at one cell slot.
no setter
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- style ↔ UvStyle
-
The canonicalized style for this cell.
getter/setter pair
- styleId → int
-
The pre-computed style identifier for this cell, used by the renderer
for fast style comparison without going through UvStyle.==.
no setter
- width ↔ int
-
The display width of this cell in terminal columns.
getter/setter pair
Methods
-
clone(
) → Cell - Returns a copy of this cell.
-
cloneEmpty(
) → Cell - Returns a blank space cell with the same style/link/drawable metadata.
-
copyEmptyFrom(
Cell other) → void -
Copies just the style/link/drawable payload from
otherand clears the content to a plain space cell. -
copyFrom(
Cell other) → void -
Copies the full cell payload from
otherinto this instance. -
dispose(
) → void - Releases any pooled grapheme content owned by this cell.
-
empty(
) → void - Sets this cell to a space with width 1.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
resetToEmptyCell(
) → void - Resets this cell to a canonical empty space cell.
-
resetToZeroCell(
) → void - Resets this cell to a canonical zero-width placeholder cell.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
override
Static Methods
-
ascii(
int codeUnit) → Cell - Creates a one-cell printable ASCII cell without width/grapheme scanning.
-
asciiStyled(
int codeUnit, {UvStyle style = const UvStyle(), Link link = const Link()}) → Cell - Creates a styled one-cell printable ASCII cell without setter churn.
-
emptyCell(
) → Cell - Creates a space cell with width 1.
-
newCell(
WidthMethod method, String grapheme) → Cell - Creates a new cell from a grapheme, computing its display width.
-
zeroCell(
) → Cell - Creates an empty placeholder cell with zero width and no attributes.