CustomLayout

open class CustomLayout : LayoutManager, CustomLayoutProtocol

GtkCustomLayout uses closures for size negotiation.

A GtkCustomLayoutuses closures matching to the old GtkWidget virtual functions for size negotiation, as a convenience API to ease the porting towards the corresponding `GtkLayoutManager virtual functions.

The CustomLayout type acts as a reference-counted owner of an underlying GtkCustomLayout instance. It provides the methods that can operate on this data type through CustomLayoutProtocol conformance. Use CustomLayout as a strong reference or owner of a GtkCustomLayout instance.

  • Designated initialiser from the underlying `C` data type.
    

    This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    public init(_ op: UnsafeMutablePointer<GtkCustomLayout>)

    Parameters

    op

    pointer to the underlying object

  • Designated initialiser from a constant pointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    public init(_ op: UnsafePointer<GtkCustomLayout>)

    Parameters

    op

    pointer to the underlying object

  • Optional initialiser from a non-mutating gpointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    override public init!(gpointer op: gpointer?)

    Parameters

    op

    gpointer to the underlying object

  • Optional initialiser from a non-mutating gconstpointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    override public init!(gconstpointer op: gconstpointer?)

    Parameters

    op

    pointer to the underlying object

  • Optional initialiser from a constant pointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    public init!(_ op: UnsafePointer<GtkCustomLayout>?)

    Parameters

    op

    pointer to the underlying object

  • Optional initialiser from the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    public init!(_ op: UnsafeMutablePointer<GtkCustomLayout>?)

    Parameters

    op

    pointer to the underlying object

  • Designated initialiser from the underlying C data type. Will retain GtkCustomLayout. i.e., ownership is transferred to the CustomLayout instance.

    Declaration

    Swift

    @inlinable
    public init(retaining op: UnsafeMutablePointer<GtkCustomLayout>)

    Parameters

    op

    pointer to the underlying object

  • Reference intialiser for a related type that implements CustomLayoutProtocol Will retain GtkCustomLayout.

    Declaration

    Swift

    @inlinable
    public init<T>(customLayout other: T) where T : CustomLayoutProtocol

    Parameters

    other

    an instance of a related type that implements CustomLayoutProtocol

  • Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init<T>(cPointer p: UnsafeMutablePointer<T>)

    Parameters

    cPointer

    pointer to the underlying object

  • Unsafe typed, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init<T>(retainingCPointer cPointer: UnsafeMutablePointer<T>)

    Parameters

    cPointer

    pointer to the underlying object

  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init(raw p: UnsafeRawPointer)

    Parameters

    p

    raw pointer to the underlying object

  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init(retainingRaw raw: UnsafeRawPointer)
  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    public required init(raw p: UnsafeMutableRawPointer)

    Parameters

    p

    mutable raw pointer to the underlying object

  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    required public init(retainingRaw raw: UnsafeMutableRawPointer)

    Parameters

    raw

    mutable raw pointer to the underlying object

  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init(opaquePointer p: OpaquePointer)

    Parameters

    p

    opaque pointer to the underlying object

  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to CustomLayoutProtocol.

    Declaration

    Swift

    @inlinable
    override public init(retainingOpaquePointer p: OpaquePointer)

    Parameters

    p

    opaque pointer to the underlying object

  • Creates a new legacy layout manager.

    Legacy layout managers map to the old GtkWidget size negotiation virtual functions, and are meant to be used during the transition from layout containers to layout manager delegates.

    Declaration

    Swift

    @inlinable
    public init(requestMode: GtkCustomRequestModeFunc? = nil, measure: GtkCustomMeasureFunc?, allocate: GtkCustomAllocateFunc?)