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ConstraintGuideRef Structure Reference
ConstraintGuideRef
public struct ConstraintGuideRef : ConstraintGuideProtocol, GWeakCapturingA GtkConstraintGuide is an invisible layout element in a
GtkConstraintLayout.
The GtkConstraintLayout treats guides like widgets. They
can be used as the source or target of a GtkConstraint.
Guides have a minimum, maximum and natural size. Depending on the constraints that are applied, they can act like a guideline that widgets can be aligned to, or like flexible space.
Unlike a GtkWidget, a GtkConstraintGuide will not be drawn.
The ConstraintGuideRef type acts as a lightweight Swift reference to an underlying GtkConstraintGuide instance.
It exposes methods that can operate on this data type through ConstraintGuideProtocol conformance.
Use ConstraintGuideRef only as an unowned reference to an existing GtkConstraintGuide instance.
-
Untyped pointer to the underlying `GtkConstraintGuide` instance.For type-safe access, use the generated, typed pointer
constraint_guide_ptrproperty instead.Declaration
Swift
public let ptr: UnsafeMutableRawPointer!
-
Designated initialiser from the underlying
Cdata typeDeclaration
Swift
@inlinable init(_ p: UnsafeMutablePointer<GtkConstraintGuide>) -
Designated initialiser from a constant pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init(_ p: UnsafePointer<GtkConstraintGuide>) -
Conditional initialiser from an optional pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init!(_ maybePointer: UnsafeMutablePointer<GtkConstraintGuide>?) -
Conditional initialiser from an optional, non-mutable pointer to the underlying
Cdata typeDeclaration
Swift
@inlinable init!(_ maybePointer: UnsafePointer<GtkConstraintGuide>?) -
Conditional initialiser from an optional
gpointerDeclaration
Swift
@inlinable init!(gpointer g: gpointer?) -
Conditional initialiser from an optional, non-mutable
gconstpointerDeclaration
Swift
@inlinable init!(gconstpointer g: gconstpointer?) -
Reference intialiser for a related type that implements
ConstraintGuideProtocolDeclaration
Swift
@inlinable init<T>(_ other: T) where T : ConstraintGuideProtocol -
This factory is syntactic sugar for setting weak pointers wrapped in
GWeak<T>Declaration
Swift
@inlinable static func unowned<T>(_ other: T) -> ConstraintGuideRef where T : ConstraintGuideProtocol -
Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
ConstraintGuideProtocol.Declaration
Swift
@inlinable init<T>(cPointer: UnsafeMutablePointer<T>) -
Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
ConstraintGuideProtocol.Declaration
Swift
@inlinable init<T>(constPointer: UnsafePointer<T>) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
ConstraintGuideProtocol.Declaration
Swift
@inlinable init(mutating raw: UnsafeRawPointer) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
ConstraintGuideProtocol.Declaration
Swift
@inlinable init(raw: UnsafeMutableRawPointer) -
Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to
ConstraintGuideProtocol.Declaration
Swift
@inlinable init(opaquePointer: OpaquePointer) -
Creates a new
GtkConstraintGuideobject.Declaration
Swift
@inlinable init()