Namespace GIRepository

Obtain the index of the user data argument. This is only valid for arguments which are callbacks.

Obtains the index of the #GDestroyNotify argument. This is only valid for arguments which are callbacks.

Obtain the direction of the argument. Check #GIDirection for possible direction values.

Obtain the ownership transfer for this argument. #GITransfer contains a list of possible values.

Obtain the scope type for this argument. The scope type explains how a callback is going to be invoked, most importantly when the resources required to invoke it can be freed. #GIScopeType contains a list of possible values.

Obtain the type information for info.

Obtain if the argument is a pointer to a struct or object that will receive an output of a function. The default assumption for %GI_DIRECTION_OUT arguments which have allocation is that the callee allocates; if this is %TRUE, then the caller must allocate.

Obtain if the argument is optional. For 'out' arguments this means that you can pass %NULL in order to ignore the result.

Obtain if the argument is a return value. It can either be a parameter or a return value.

Obtain if an argument is only useful in C.

Obtain information about a the type of given argument info; this function is a variant of g_arg_info_get_type() designed for stack allocation.

Obtain if the type of the argument includes the possibility of %NULL. For 'in' values this means that %NULL is a valid value. For 'out' values, this means that %NULL may be returned.

TODO

Obtain information about a particular argument of this callable.

See whether the caller owns the return value of this callable. #GITransfer contains a list of possible transfer values.

Obtains the ownership transfer for the instance argument. #GITransfer contains a list of possible transfer values.

Obtain the number of arguments (both IN and OUT) for this callable.

Retrieve an arbitrary attribute associated with the return value.

Obtain the return type of a callable item as a #GITypeInfo.

TODO

Determines if the callable info is a method. For #GIVFuncInfos, #GICallbackInfos, and #GISignalInfos, this is always true. Otherwise, this looks at the %GI_FUNCTION_IS_METHOD flag on the #GIFunctionInfo.

Iterate over all attributes associated with the return value. The iterator structure is typically stack allocated, and must have its first member initialized to %NULL.

Obtain information about a particular argument of this callable; this function is a variant of g_callable_info_get_arg() designed for stack allocation.

Obtain information about a return value of callable; this function is a variant of g_callable_info_get_return_type() designed for stack allocation.

See if a callable could return %NULL.

See if a callable's return value is only useful in C.

Obtain the type of the constant as a #GITypeInfo.

Obtain the string form of the quark for the error domain associated with this enum, if any.

Obtain an enum type method at index n.

Obtain the number of methods that this enum type has.

Obtain the number of values this enumeration contains.

Obtain the tag of the type used for the enum in the C ABI. This will will be a signed or unsigned integral type.

Obtain a value for this enumeration.

Obtain the flags for this #GIFieldInfo. See #GIFieldInfoFlags for possible flag values.

Obtain the offset in bytes of the field member, this is relative to the beginning of the struct or union.

Obtain the size in bits of the field member, this is how much space you need to allocate to store the field.

Obtain the type of a field as a #GITypeInfo.

Obtain the #GIFunctionInfoFlags for the info.

Obtain the property associated with this #GIFunctionInfo. Only #GIFunctionInfo with the flag %GI_FUNCTION_IS_GETTER or %GI_FUNCTION_IS_SETTER have a property set. For other cases, %NULL will be returned.

Obtain the symbol of the function. The symbol is the name of the exported function, suitable to be used as an argument to g_module_symbol().

Obtain the virtual function associated with this #GIFunctionInfo. Only #GIFunctionInfo with the flag %GI_FUNCTION_WRAPS_VFUNC has a virtual function set. For other cases, %NULL will be returned.

Returns the major version number of the girepository library. (e.g. in version 1.58.2 this is 1.)

Returns the micro version number of the girepository library. (e.g. in version 1.58.2 this is 2.)

Returns the minor version number of the girepository library. (e.g. in version 1.58.2 this is 58.)

TODO

Obtain a string representation of type

Obtain a method of the interface type given a name. %NULL will be returned if there's no method available with that name.

TODO

Locate a virtual function slot with name name. See the documentation for g_object_info_find_vfunc() for more information on virtuals.

Obtain an interface type constant at index n.

Returns the layout C structure associated with this #GInterface.

Obtain an interface type method at index n.

Obtain the number of constants that this interface type has.

Obtain the number of methods that this interface type has.

Obtain the number of prerequisites for this interface type. A prerequisites is another interface that needs to be implemented for interface, similar to an base class for GObjects.

Obtain the number of properties that this interface type has.

Obtain the number of signals that this interface type has.

Obtain the number of virtual functions that this interface type has.

Obtain an interface type prerequisites index n.

Obtain an interface type property at index n.

Obtain an interface type signal at index n.

Obtain an interface type virtual function at index n.

TODO

Obtain a method of the object type given a name. %NULL will be returned if there's no method available with that name.

Obtain a method of the object given a name, searching both the object info and any interfaces it implements. %NULL will be returned if there's no method available with that name.

TODO

Locate a virtual function slot with name name. Note that the namespace for virtuals is distinct from that of methods; there may or may not be a concrete method associated for a virtual. If there is one, it may be retrieved using g_vfunc_info_get_invoker(), otherwise %NULL will be returned. See the documentation for g_vfunc_info_get_invoker() for more information on invoking virtuals.

Locate a virtual function slot with name name, searching both the object info and any interfaces it implements. Note that the namespace for virtuals is distinct from that of methods; there may or may not be a concrete method associated for a virtual. If there is one, it may be retrieved using g_vfunc_info_get_invoker(), otherwise %NULL will be returned.

Obtain if the object type is an abstract type, eg if it cannot be instantiated

Every #GObject has two structures; an instance structure and a class structure. This function returns the metadata for the class structure.

Obtain an object type constant at index n.

Obtain an object type field at index n.

Checks whether the object type is a final type, i.e. if it cannot be derived

Obtain if the object type is of a fundamental type which is not G_TYPE_OBJECT. This is mostly for supporting GstMiniObject.

Obtain the symbol name of the function that should be called to convert an object instance pointer of this object type to a GValue. I's mainly used fundamental types. The type signature for the symbol is %GIObjectInfoGetValueFunction, to fetch the function pointer see g_object_info_get_get_value_function().

Obtain an object type interface at index n.

Obtain an object type method at index n.

Obtain the number of constants that this object type has.

Obtain the number of fields that this object type has.

Obtain the number of interfaces that this object type has.

Obtain the number of methods that this object type has.

Obtain the number of properties that this object type has.

Obtain the number of signals that this object type has.

Obtain the number of virtual functions that this object type has.

Obtain the parent of the object type.

Obtain an object type property at index n.

Obtain the symbol name of the function that should be called to ref this object type. It's mainly used fundamental types. The type signature for the symbol is %GIObjectInfoRefFunction, to fetch the function pointer see g_object_info_get_ref_function().

Obtain the symbol name of the function that should be called to convert set a GValue giving an object instance pointer of this object type. I's mainly used fundamental types. The type signature for the symbol is %GIObjectInfoSetValueFunction, to fetch the function pointer see g_object_info_get_set_value_function().

Obtain an object type signal at index n.

Obtain the function which when called will return the GType function for which this object type is registered.

Obtain the name of the objects class/type.

Obtain the symbol name of the function that should be called to unref this object type. It's mainly used fundamental types. The type signature for the symbol is %GIObjectInfoUnrefFunction, to fetch the function pointer see g_object_info_get_unref_function().

Obtain an object type virtual function at index n.

Obtain the flags for this property info. See #GParamFlags for more information about possible flag values.

Obtains the getter function associated with this #GIPropertyInfo.

Obtain the ownership transfer for this property. See #GITransfer for more information about transfer values.

Obtains the setter function associated with this #GIPropertyInfo.

Obtain the type information for the property info.

Obtain the #GType for this registered type or G_TYPE_NONE which a special meaning. It means that either there is no type information associated with this info or that the shared library which provides the type_init function for this info cannot be called.

Obtain the type init function for info. The type init function is the function which will register the GType within the GObject type system. Usually this is not called by langauge bindings or applications, use g_registered_type_info_get_g_type() directly instead.

Obtain the type name of the struct within the GObject type system. This type can be passed to g_type_name() to get a #GType.

Obtain the class closure for this signal if one is set. The class closure is a virtual function on the type that the signal belongs to. If the signal lacks a closure %NULL will be returned.

Obtain the flags for this signal info. See #GSignalFlags for more information about possible flag values.

Obtain if the returning true in the signal handler will stop the emission of the signal.

Obtain the type information for field named name.

Obtain the type information for method named name.

Obtain the required alignment of the structure.

Obtain the type information for field with specified index.

Obtain the type information for method with specified index.

Obtain the number of fields this structure has.

Obtain the number of methods this structure has.

Obtain the total size of the structure.

TODO

Return true if this structure represents the "class structure" for some #GObject or #GInterface. This function is mainly useful to hide this kind of structure from generated public APIs.

GLib data structures, such as #GList, #GSList, and #GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as %GPOINTER_TO_INT.

Obtain the fixed array size of the type. The type tag must be a #GI_TYPE_TAG_ARRAY or -1 will be returned.

Obtain the position of the argument which gives the array length of the type. The type tag must be a #GI_TYPE_TAG_ARRAY or -1 will be returned.

Obtain the array type for this type. See #GIArrayType for a list of possible values. If the type tag of this type is not array, -1 will be returned.

For types which have #GI_TYPE_TAG_INTERFACE such as GObjects and boxed values, this function returns full information about the referenced type. You can then inspect the type of the returned #GIBaseInfo to further query whether it is a concrete GObject, a GInterface, a structure, etc. using g_base_info_get_type().

Obtain the parameter type n.

Obtain the type tag corresponding to the underlying storage type in C for the type. See #GITypeTag for a list of type tags.

Obtain the type tag for the type. See #GITypeTag for a list of type tags.

GLib data structures, such as #GList, #GSList, and #GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as %GPOINTER_TO_INT.

Obtain if the type is passed as a reference.

Obtain if the last element of the array is %NULL. The type tag must be a #GI_TYPE_TAG_ARRAY or %FALSE will be returned.

GLib data structures, such as #GList, #GSList, and #GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as %GPOINTER_TO_INT.

GLib data structures, such as #GList, #GSList, and #GHashTable, all store data pointers. In the case where the list or hash table is storing single types rather than structs, these data pointers may have values stuffed into them via macros such as %GPOINTER_TO_INT.

Obtain a string representation of type

Obtain the type information for method named name.

Obtain the required alignment of the union.

Obtain discriminator value assigned for n-th union field, i.e. n-th union field is the active one if discriminator contains this constant.

Returns offset of the discriminator field in the structure.

Obtain the type information of the union discriminator.

Obtain the type information for field with specified index.

Obtain the type information for method with specified index.

Obtain the number of fields this union has.

Obtain the number of methods this union has.

Obtain the total size of the union.

Return true if this union contains discriminator field.

Obtain the enumeration value of the #GIValueInfo.

This method will look up where inside the type struct of implementor_gtype is the implementation for info.

Obtain the flags for this virtual function info. See #GIVFuncInfoFlags for more information about possible flag values.

If this virtual function has an associated invoker method, this method will return it. An invoker method is a C entry point.

Obtain the offset of the function pointer in the class struct. The value 0xFFFF indicates that the struct offset is unknown.

Obtain the signal for the virtual function if one is set. The signal comes from the object or interface to which this virtual function belongs.