Struct gtk::Socket

#[repr(transparent)]
pub struct Socket { /* private fields */ }

Available on gdk_backend="x11" only.

Together with Plug, Socket provides the ability to embed widgets from one process into another process in a fashion that is transparent to the user. One process creates a Socket widget and passes that widget’s window ID to the other process, which then creates a Plug with that window ID. Any widgets contained in the Plug then will appear inside the first application’s window.

The socket’s window ID is obtained by using GtkSocketExt::id(). Before using this function, the socket must have been realized, and for hence, have been added to its parent.

Obtaining the window ID of a socket.

⚠️ The following code is in C ⚠️

GtkWidget *socket = gtk_socket_new ();
gtk_widget_show (socket);
gtk_container_add (GTK_CONTAINER (parent), socket);

// The following call is only necessary if one of
// the ancestors of the socket is not yet visible.
gtk_widget_realize (socket);
g_print ("The ID of the sockets window is %#x\n",
         gtk_socket_get_id (socket));

Note that if you pass the window ID of the socket to another process that will create a plug in the socket, you must make sure that the socket widget is not destroyed until that plug is created. Violating this rule will cause unpredictable consequences, the most likely consequence being that the plug will appear as a separate toplevel window. You can check if the plug has been created by using GtkSocketExt::plug_window(). If it returns a non-None value, then the plug has been successfully created inside of the socket.

When GTK+ is notified that the embedded window has been destroyed, then it will destroy the socket as well. You should always, therefore, be prepared for your sockets to be destroyed at any time when the main event loop is running. To prevent this from happening, you can connect to the signal::Socket::plug-removed signal.

The communication between a Socket and a Plug follows the XEmbed Protocol. This protocol has also been implemented in other toolkits, e.g. Qt, allowing the same level of integration when embedding a Qt widget in GTK or vice versa.

The Plug and Socket widgets are only available when GTK+ is compiled for the X11 platform and GDK_WINDOWING_X11 is defined. They can only be used on a GdkX11Display. To use Plug and Socket, you need to include the gtk/gtkx.h header.

Implements

GtkSocketExt, ContainerExt, WidgetExt, glib::ObjectExt, BuildableExt, ContainerExtManual, WidgetExtManual, BuildableExtManual

Implementations

impl Socket

pub const NONE: Option<&'static Socket> = None

pub fn new() -> Socket

Create a new empty Socket.

Returns

the new Socket.

pub fn builder() -> SocketBuilder

Creates a new builder-pattern struct instance to construct Socket objects.

This method returns an instance of SocketBuilder which can be used to create Socket objects.

Trait Implementations

impl Clone for Socket

fn clone(&self) -> Self

Returns a copy of the value.

const fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Socket

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Socket

fn default() -> Self

Returns the “default value” for a type.

impl Display for Socket

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for Socket

fn hash<H>(&self, state: &mut H)where
    H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)where
    H: Hasher,

Feeds a slice of this type into the given Hasher.

impl<T: SocketImpl> IsSubclassable<T> for Socket

fn class_init(class: &mut Class<Self>)

Override the virtual methods of this class for the given subclass and do other class initialization.

fn instance_init(instance: &mut InitializingObject<T>)

Instance specific initialization.

impl Ord for Socket

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

const fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

const fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

const fn clamp(self, min: Self, max: Self) -> Selfwhere
    Self: PartialOrd<Self>,

Restrict a value to a certain interval.

impl ParentClassIs for Socket

type Parent = Container

impl<OT: ObjectType> PartialEq<OT> for Socket

fn eq(&self, other: &OT) -> bool

This method tests for self and other values to be equal, and is used by ==.

const fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<OT: ObjectType> PartialOrd<OT> for Socket

fn partial_cmp(&self, other: &OT) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

const fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

const fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

const fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

const fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl StaticType for Socket

fn static_type() -> Type

Returns the type identifier of Self.

impl Eq for Socket

impl IsA<Buildable> for Socket

impl IsA<Container> for Socket

impl IsA<Widget> for Socket