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Gio::SimplePermission Class Reference

A Permission that doesn't change value. More...

`#include <giomm/simplepermission.h>`

Inheritance diagram for Gio::SimplePermission:
[legend]

## Public Member Functions

| SimplePermission (SimplePermission&& src) noexcept
SimplePermission& | operator= (SimplePermission&& src) noexcept
virtual | ~SimplePermission () noexcept
GSimplePermission* | gobj ()
| Provides access to the underlying C GObject. More...
const GSimplePermission* | gobj () const
| Provides access to the underlying C GObject. More...
GSimplePermission* | gobj_copy ()
| Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More...
Public Member Functions inherited from Gio::Permission
| Permission (Permission&& src) noexcept
Permission& | operator= (Permission&& src) noexcept
virtual | ~Permission () noexcept
GPermission* | gobj ()
| Provides access to the underlying C GObject. More...
const GPermission* | gobj () const
| Provides access to the underlying C GObject. More...
GPermission* | gobj_copy ()
| Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs. More...
bool | acquire (const Glib::RefPtr< Cancellable >& cancellable)
| Attempts to acquire the permission represented by permission. More...
bool | acquire ()
| A acquire() convenience overload. More...
void | acquire_async (const SlotAsyncReady& slot, const Glib::RefPtr< Cancellable >& cancellable)
| Attempts to acquire the permission represented by permission. More...
void | acquire_async (const SlotAsyncReady& slot)
| A acquire_async() convenience overload. More...
bool | acquire_finish (const Glib::RefPtr< AsyncResult >& result)
| Collects the result of attempting to acquire the permission represented by permission. More...
bool | release (const Glib::RefPtr< Cancellable >& cancellable)
| Attempts to release the permission represented by permission. More...
bool | release ()
| A release() convenience overload. More...
void | release_async (const SlotAsyncReady& slot, const Glib::RefPtr< Cancellable >& cancellable)
| Attempts to release the permission represented by permission. More...
void | release_async (const SlotAsyncReady& slot)
| A release_async() convenience overload. More...
bool | release_finish (const Glib::RefPtr< AsyncResult >& result)
| Collects the result of attempting to release the permission represented by permission. More...
bool | get_allowed () const
| Gets the value of the 'allowed' property. More...
bool | get_can_acquire () const
| Gets the value of the 'can-acquire' property. More...
bool | get_can_release () const
| Gets the value of the 'can-release' property. More...
Glib::PropertyProxy_ReadOnly< bool > | property_allowed () const
| `true` if the caller currently has permission to perform the action that permission represents the permission to perform. More...
Glib::PropertyProxy_ReadOnly< bool > | property_can_acquire () const
| `true` if it is generally possible to acquire the permission by calling g_permission_acquire(). More...
Glib::PropertyProxy_ReadOnly< bool > | property_can_release () const
| `true` if it is generally possible to release the permission by calling g_permission_release(). More...
Public Member Functions inherited from Glib::Object
| Object (const Object&)=delete
Object& | operator= (const Object&)=delete
| Object (Object&& src) noexcept
Object& | operator= (Object&& src) noexcept
void* | get_data (const QueryQuark& key)
void | set_data (const Quark& key, void* data)
void | set_data (const Quark& key, void* data, DestroyNotify notify)
void | remove_data (const QueryQuark& quark)
void* | steal_data (const QueryQuark& quark)
Public Member Functions inherited from Glib::ObjectBase
| ObjectBase (const ObjectBase&)=delete
ObjectBase& | operator= (const ObjectBase&)=delete
void | set_property_value (const Glib::ustring& property_name, const Glib::ValueBase& value)
| You probably want to use a specific property_*() accessor method instead. More...
void | get_property_value (const Glib::ustring& property_name, Glib::ValueBase& value) const
| You probably want to use a specific property_*() accessor method instead. More...
template<class PropertyType >
void | set_property (const Glib::ustring& property_name, const PropertyType& value)
| You probably want to use a specific property_*() accessor method instead. More...
template<class PropertyType >
void | get_property (const Glib::ustring& property_name, PropertyType& value) const
| You probably want to use a specific property_*() accessor method instead. More...
void | connect_property_changed (const Glib::ustring& property_name, const sigc::slot< void >& slot)
| You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. More...
sigc::connection | connect_property_changed_with_return (const Glib::ustring& property_name, const sigc::slot< void >& slot)
| You can use the signal_changed() signal of the property proxy instead, but this is necessary when using the reduced API. More...
void | freeze_notify ()
| Increases the freeze count on object. More...
void | thaw_notify ()
| Reverts the effect of a previous call to freeze_notify(). More...
virtual void | reference () const
| Increment the reference count for this object. More...
virtual void | unreference () const
| Decrement the reference count for this object. More...
GObject* | gobj ()
| Provides access to the underlying C GObject. More...
const GObject* | gobj () const
| Provides access to the underlying C GObject. More...
GObject* | gobj_copy () const
| Give a ref-ed copy to someone. Use for direct struct access. More...
Public Member Functions inherited from sigc::trackable
| trackable () noexcept
| trackable (const trackable &src) noexcept
| trackable (trackable &&src)
| ~trackable ()
void | add_destroy_notify_callback (void *data, func_destroy_notify func) const
void | notify_callbacks ()
trackable & | operator= (const trackable &src)
trackable & | operator= (trackable &&src)
void | remove_destroy_notify_callback (void *data) const

## Static Public Member Functions

static GType | get_type ()
| Get the GType for this class, for use with the underlying GObject type system. More...
static Glib::RefPtr< SimplePermission > | create (bool allowed)
Static Public Member Functions inherited from Gio::Permission
static GType | get_type ()
| Get the GType for this class, for use with the underlying GObject type system. More...

## Protected Member Functions

| SimplePermission (bool allowed)
Protected Member Functions inherited from Gio::Permission
| Permission ()
virtual bool | acquire_vfunc (const Glib::RefPtr< Cancellable >& cancellable)
virtual void | acquire_async_vfunc (const SlotAsyncReady& slot, const Glib::RefPtr< Cancellable >& cancellable)
virtual bool | acquire_finish_vfunc (const Glib::RefPtr< AsyncResult >& result)
virtual bool | release_vfunc (const Glib::RefPtr< Cancellable >& cancellable)
virtual void | release_async_vfunc (const SlotAsyncReady& slot, const Glib::RefPtr< Cancellable >& cancellable)
virtual bool | release_finish_vfunc (const Glib::RefPtr< AsyncResult >& result)
void | impl_update (bool allowed, bool can_acquire, bool can_release)
| This function is called by the Permission implementation to update the properties of the permission. More...
Protected Member Functions inherited from Glib::Object
| Object ()
| Object (const Glib::ConstructParams& construct_params)
| Object (GObject* castitem)
virtual | ~Object () noexcept
Protected Member Functions inherited from Glib::ObjectBase
| ObjectBase ()
| This default constructor is called implicitly from the constructor of user-derived classes, even if, for instance, Gtk::Button calls a different ObjectBase constructor. More...
| ObjectBase (const char* custom_type_name)
| A derived constructor always overrides this choice. More...
| ObjectBase (const std::type_info& custom_type_info)
| This constructor is a special feature to allow creation of derived types on the fly, without having to use g_object_new() manually. More...
| ObjectBase (ObjectBase&& src) noexcept
ObjectBase& | operator= (ObjectBase&& src) noexcept
virtual | ~ObjectBase () noexcept=0
void | initialize (GObject* castitem)
void | initialize_move (GObject* castitem, Glib::ObjectBase* previous_wrapper)

## Related Functions

(Note that these are not member functions.)
Glib::RefPtr< Gio::SimplePermission > | wrap (GSimplePermission* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...
Related Functions inherited from Gio::Permission
Glib::RefPtr< Gio::Permission > | wrap (GPermission* object, bool take_copy=false)
| A Glib::wrap() method for this object. More...
Related Functions inherited from Glib::Object
Glib::RefPtr< Glib::Object > | wrap (GObject* object, bool take_copy=false)

## Additional Inherited Members

Public Types inherited from Glib::Object
typedef void(* | DestroyNotify) (gpointer data)
Public Types inherited from sigc::trackable
typedef internal::func_destroy_notify | func_destroy_notify

## Detailed Description

A Permission that doesn't change value.

SimplePermission is a trivial implementation of Permission that represents a permission that is either always or never allowed. The value is given at construction and doesn't change.

Calling Permission::acquire() or Permission::release() will result in errors.

## Constructor & Destructor Documentation

Gio::SimplePermission::SimplePermission | ( | SimplePermission&& | src | ) |

noexcept

virtual Gio::SimplePermission::~SimplePermission | ( |  | ) |

virtual noexcept

Gio::SimplePermission::SimplePermission | ( | bool | allowed | ) |

explicit protected

## Member Function Documentation

static Glib::RefPtr<SimplePermission> Gio::SimplePermission::create | ( | bool | allowed | ) |

static

static GType Gio::SimplePermission::get_type | ( |  | ) |

static

Get the GType for this class, for use with the underlying GObject type system.

GSimplePermission* Gio::SimplePermission::gobj | ( |  | ) |

inline

Provides access to the underlying C GObject.

const GSimplePermission* Gio::SimplePermission::gobj | ( |  | ) | const

inline

Provides access to the underlying C GObject.

GSimplePermission* Gio::SimplePermission::gobj_copy | ( |  | ) |

Provides access to the underlying C instance. The caller is responsible for unrefing it. Use when directly setting fields in structs.

SimplePermission& Gio::SimplePermission::operator= | ( | SimplePermission&& | src | ) |

noexcept

## Friends And Related Function Documentation

Glib::RefPtr< Gio::SimplePermission > wrap | ( | GSimplePermission * | object,
|  | bool | take_copy = `false`
| ) |  |

related

A Glib::wrap() method for this object.

Parameters

  object | The C instance.
  take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref.

Returns
  A C++ instance that wraps this C instance.