Package org.gnome.gobject

Class CClosure

java.lang.Object

io.github.jwharm.javagi.base.ProxyInstance

org.gnome.gobject.CClosure

All Implemented Interfaces:

Proxy

@Generated("io.github.jwharm.JavaGI")
public class CClosure
extends ProxyInstance

A GCClosure is a specialization of GClosure for C function callbacks.

Constructor Summary

Constructors

Constructor	Description
CClosure()	Allocate a new CClosure.
CClosure(Arena arena)	Allocate a new CClosure.
CClosure(MemorySegment address)	Create a CClosure proxy instance for the provided memory address.
CClosure(Closure closure, MemorySegment callback)	Allocate a new CClosure with the fields set to the provided values.
CClosure(Closure closure, MemorySegment callback, Arena arena)	Allocate a new CClosure with the fields set to the provided values.

Method Summary

Modifier and Type	Method	Description
static MemoryLayout	getMemoryLayout()	The memory layout of the native struct.
static void	marshalBOOLEANBOXEDBOXED(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with handlers that take two boxed pointers as arguments and return a boolean.
static void	marshalBOOLEANFLAGS(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with handlers that take a flags type as an argument and return a boolean.
static void	marshalGeneric(Closure closure, Value returnGvalue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A generic marshaller function implemented via libffi.
static void	marshalSTRINGOBJECTPOINTER(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with handlers that take a GObject and a pointer and produce a string.
static void	marshalVOIDBOOLEAN(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single boolean argument.
static void	marshalVOIDBOXED(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single argument which is any boxed pointer type.
static void	marshalVOIDCHAR(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single character argument.
static void	marshalVOIDDOUBLE(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with one double-precision floating point argument.
static void	marshalVOIDENUM(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single argument with an enumerated type.
static void	marshalVOIDFLAGS(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single argument with a flags types.
static void	marshalVOIDFLOAT(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with one single-precision floating point argument.
static void	marshalVOIDINT(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single integer argument.
static void	marshalVOIDLONG(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with with a single long integer argument.
static void	marshalVOIDOBJECT(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single GObject argument.
static void	marshalVOIDPARAM(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single argument of type GParamSpec.
static void	marshalVOIDPOINTER(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single raw pointer argument type.
static void	marshalVOIDSTRING(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single string argument.
static void	marshalVOIDUCHAR(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single unsigned character argument.
static void	marshalVOIDUINT(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with with a single unsigned integer argument.
static void	marshalVOIDUINTPOINTER(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with an unsigned int and a pointer as arguments.
static void	marshalVOIDULONG(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single unsigned long integer argument.
static void	marshalVOIDVARIANT(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with a single GVariant argument.
static void	marshalVOIDVOID(Closure closure, Value returnValue, int nParamValues, Value paramValues, @Nullable MemorySegment invocationHint, @Nullable MemorySegment marshalData)	A GClosureMarshal function for use with signals with no arguments.
MemorySegment	readCallback()	Read the value of the field callback.
Closure	readClosure()	Read the value of the field closure.
void	writeCallback(MemorySegment callback)	Write a value in the field callback.
void	writeClosure(Closure closure)	Write a value in the field closure.

Methods inherited from class io.github.jwharm.javagi.base.ProxyInstance

equals, handle, hashCode

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CClosure

public CClosure(MemorySegment address)

Create a CClosure proxy instance for the provided memory address.

Parameters:

address - the memory address of the native object

CClosure

public CClosure(Arena arena)

Allocate a new CClosure.

Parameters:

arena - to control the memory allocation scope

CClosure

public CClosure()

Allocate a new CClosure. The memory is allocated with Arena.ofAuto().

CClosure

public CClosure(Closure closure,
 MemorySegment callback,
 Arena arena)

Allocate a new CClosure with the fields set to the provided values.

Parameters:

closure - value for the field closure

callback - value for the field callback

arena - to control the memory allocation scope

CClosure

public CClosure(Closure closure,
 MemorySegment callback)

Allocate a new CClosure with the fields set to the provided values. The memory is allocated with Arena.ofAuto().

Parameters:

closure - value for the field closure

callback - value for the field callback

Method Details

getMemoryLayout

public static MemoryLayout getMemoryLayout()

The memory layout of the native struct.

Returns:

the memory layout

readClosure

public Closure readClosure()

Read the value of the field closure.

Returns:

The value of the field closure

writeClosure

public void writeClosure(Closure closure)

Write a value in the field closure.

Parameters:

closure - The new value for the field closure

readCallback

public MemorySegment readCallback()

Read the value of the field callback.

Returns:

The value of the field callback

writeCallback

public void writeCallback(MemorySegment callback)

Write a value in the field callback.

Parameters:

callback - The new value for the field callback

marshalBOOLEANBOXEDBOXED

public static void marshalBOOLEANBOXEDBOXED(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with handlers that take two boxed pointers as arguments and return a boolean. If you have such a signal, you will probably also need to use an accumulator, such as g_signal_accumulator_true_handled().

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalBOOLEANFLAGS

public static void marshalBOOLEANFLAGS(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with handlers that take a flags type as an argument and return a boolean. If you have such a signal, you will probably also need to use an accumulator, such as g_signal_accumulator_true_handled().

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalSTRINGOBJECTPOINTER

public static void marshalSTRINGOBJECTPOINTER(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with handlers that take a GObject and a pointer and produce a string. It is highly unlikely that your signal handler fits this description.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDBOOLEAN

public static void marshalVOIDBOOLEAN(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single boolean argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDBOXED

public static void marshalVOIDBOXED(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single argument which is any boxed pointer type.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDCHAR

public static void marshalVOIDCHAR(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single character argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDDOUBLE

public static void marshalVOIDDOUBLE(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with one double-precision floating point argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDENUM

public static void marshalVOIDENUM(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single argument with an enumerated type.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDFLAGS

public static void marshalVOIDFLAGS(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single argument with a flags types.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDFLOAT

public static void marshalVOIDFLOAT(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with one single-precision floating point argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDINT

public static void marshalVOIDINT(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single integer argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDLONG

public static void marshalVOIDLONG(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with with a single long integer argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDOBJECT

public static void marshalVOIDOBJECT(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single GObject argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDPARAM

public static void marshalVOIDPARAM(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single argument of type GParamSpec.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDPOINTER

public static void marshalVOIDPOINTER(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single raw pointer argument type.

If it is possible, it is better to use one of the more specific functions such as g_cclosure_marshal_VOID__OBJECT() or g_cclosure_marshal_VOID__OBJECT().

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDSTRING

public static void marshalVOIDSTRING(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single string argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDUCHAR

public static void marshalVOIDUCHAR(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single unsigned character argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDUINT

public static void marshalVOIDUINT(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with with a single unsigned integer argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDUINTPOINTER

public static void marshalVOIDUINTPOINTER(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with an unsigned int and a pointer as arguments.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDULONG

public static void marshalVOIDULONG(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single unsigned long integer argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDVARIANT

public static void marshalVOIDVARIANT(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with a single GVariant argument.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalVOIDVOID

public static void marshalVOIDVOID(Closure closure,
 Value returnValue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A GClosureMarshal function for use with signals with no arguments.

Parameters:

closure - A GClosure.

returnValue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()

marshalGeneric

public static void marshalGeneric(Closure closure,
 Value returnGvalue,
 int nParamValues,
 Value paramValues,
 @Nullable
 @Nullable MemorySegment invocationHint,
 @Nullable
 @Nullable MemorySegment marshalData)

A generic marshaller function implemented via libffi.

Normally this function is not passed explicitly to g_signal_new(), but used automatically by GLib when specifying a null marshaller.

Parameters:

closure - A GClosure.

returnGvalue - A GValue to store the return value. May be null if the callback of closure doesn't return a value.

nParamValues - The length of the paramValues array.

paramValues - An array of GValues holding the arguments on which to invoke the callback of closure.

invocationHint - The invocation hint given as the last argument to g_closure_invoke().

marshalData - Additional data specified when registering the marshaller, see g_closure_set_marshal() and g_closure_set_meta_marshal()