## Documentation

Table of Contents
Class Inheritance Tree
Widget Screenshots
Package groups

## Index

Package: Socket

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# Description

    package Gtk.Socket is

Note that this package is currently not supported under Win32 systems.

Together with Gtk_Plug, Gtk_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 Gtk_Socket widget and, passes the XID of that widget's window to the other process, which then creates a Gtk_Plug window with that XID.

Any widgets contained in the Gtk_Plug then will appear inside the first applications window.

The XID of the socket's window is obtained by using the XWindow function provided in this package. Before using this macro, the socket must have been realized, and for hence, have been added to its parent.

Note that if you pass the XID 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 examining the plug_window field of the Gtk_Socket structure. If this field is non-NULL, then the plug has been succesfully created inside of the socket.

When GtkAda 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.

A socket can also be used to swallow arbitrary pre-existing top-level windows using Steal, though the integration when this is done will not be as close as between a Gtk_Plug and a Gtk_Socket. All you need in that case is the X11 window identifier for the external process.

Note that it is recommended that the external window be first hidden before being swallowed, so that Gtk.Socket works with most window managers. If you start with visible windows, some window managers will not be able to correctly merge the two windows (Enlightenment for instance).

Binding from C File version 2.8.17

# Classes

### Gtk_Socket_Record

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    type Gtk_Socket_Record is new
         Gtk.Container.Gtk_Container_Record with private;

#### Ancestors:

Gtk.Container.Gtk_Container_Record
Gtk.Widget.Gtk_Widget_Record
Glib.Object.GObject_Record

#### Primitive operations:

Add_Id

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Get_Id

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Get_Plug_Window

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Glib.Object.Deallocate

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(Inherited)
Glib.Object.Get_Type

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Glib.Object.Notify

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(Inherited)
Glib.Object.Ref

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(Inherited)
Glib.Object.Ref_Sink

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(Inherited)
Glib.Object.Unref

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(Inherited)
Gtk.Container.Add

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(Inherited)
Gtk.Container.Check_Resize

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Gtk.Container.Child_Get_Property

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Gtk.Container.Child_Set_Property

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Gtk.Container.Child_Type

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Gtk.Container.Forall

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Gtk.Container.Foreach

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Gtk.Container.Get_Border_Width

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Gtk.Container.Get_Children

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Gtk.Container.Get_Focus_Chain

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Gtk.Container.Get_Focus_Child

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Gtk.Container.Get_Focus_Hadjustment

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Gtk.Container.Get_Focus_Vadjustment

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Gtk.Container.Get_Resize_Mode

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Gtk.Container.Propagate_Expose

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Gtk.Container.Remove

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Gtk.Container.Resize_Children

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Gtk.Container.Set_Border_Width

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Gtk.Container.Set_Focus_Chain

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Gtk.Container.Set_Focus_Child

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Gtk.Container.Set_Focus_Hadjustment

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Gtk.Container.Set_Focus_Vadjustment

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Gtk.Container.Set_Reallocate_Redraws

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Gtk.Container.Set_Resize_Mode

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Gtk.Container.Unset_Focus_Chain

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Gtk.Widget.Activate

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Gtk.Widget.Add_Accelerator

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Gtk.Widget.Add_Events

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Gtk.Widget.Add_Mnemonic_Label

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Gtk.Widget.Can_Activate_Accel

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Gtk.Widget.Child_Notify

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Gtk.Widget.Class_Path

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Gtk.Widget.Class_Path_Reversed

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Gtk.Widget.Create_Pango_Context

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Gtk.Widget.Create_Pango_Layout

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Gtk.Widget.Destroy

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Gtk.Widget.Draw

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Gtk.Widget.Ensure_Style

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Gtk.Widget.Error_Bell

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Gtk.Widget.Flag_Is_Set

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Gtk.Widget.Flags

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Gtk.Widget.Freeze_Child_Notify

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Gtk.Widget.Get_Allocation_Height

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Gtk.Widget.Get_Allocation_Width

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Gtk.Widget.Get_Allocation_X

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Gtk.Widget.Get_Allocation_Y

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Gtk.Widget.Get_Ancestor

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Gtk.Widget.Get_Child_Requisition

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Gtk.Widget.Get_Child_Visible

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Gtk.Widget.Get_Colormap

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Gtk.Widget.Get_Composite_Name

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Gtk.Widget.Get_Direction

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Gtk.Widget.Get_Events

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Gtk.Widget.Get_Extension_Events

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Gtk.Widget.Get_Has_Tooltip

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Gtk.Widget.Get_Name

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Gtk.Widget.Get_No_Show_All

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Gtk.Widget.Get_Pango_Context

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Gtk.Widget.Get_Parent

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Gtk.Widget.Get_Parent_Window

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Gtk.Widget.Get_Pointer

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Gtk.Widget.Get_Root_Window

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Gtk.Widget.Get_Size_Request

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Gtk.Widget.Get_Snapshot

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Gtk.Widget.Get_State

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Gtk.Widget.Get_Style

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Gtk.Widget.Get_Tooltip_Markup

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Gtk.Widget.Get_Tooltip_Text

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Gtk.Widget.Get_Tooltip_Window

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Gtk.Widget.Get_Toplevel

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Gtk.Widget.Get_Visual

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Gtk.Widget.Get_Window

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Gtk.Widget.Grab_Default

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Gtk.Widget.Grab_Focus

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Gtk.Widget.Has_Screen

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Gtk.Widget.Hide

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Gtk.Widget.Hide_All

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Gtk.Widget.Input_Shape_Combine_Mask

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Gtk.Widget.Intersect

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Gtk.Widget.Is_Ancestor

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Gtk.Widget.Is_Composited

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Gtk.Widget.Is_Focus

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Gtk.Widget.Keynav_Failed

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Gtk.Widget.List_Mnemonic_Labels

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Gtk.Widget.Map

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Gtk.Widget.Mnemonic_Activate

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Gtk.Widget.Modify_Base

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Gtk.Widget.Modify_Bg

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Gtk.Widget.Modify_Cursor

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Gtk.Widget.Modify_Fg

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Gtk.Widget.Modify_Font

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Gtk.Widget.Modify_Text

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Gtk.Widget.Path

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Gtk.Widget.Path_Reversed

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(Inherited)
Gtk.Widget.Queue_Clear

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Gtk.Widget.Queue_Clear_Area

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Gtk.Widget.Queue_Draw

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Gtk.Widget.Queue_Draw_Area

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Gtk.Widget.Queue_Resize

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Gtk.Widget.Queue_Resize_No_Redraw

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(Inherited)
Gtk.Widget.Realize

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(Inherited)
Gtk.Widget.Region_Intersect

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Gtk.Widget.Remove_Accelerator

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Gtk.Widget.Remove_Mnemonic_Label

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Gtk.Widget.Render_Icon

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Gtk.Widget.Reparent

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Gtk.Widget.Reset_Rc_Styles

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Gtk.Widget.Reset_Shapes

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Gtk.Widget.Restore_Default_Style

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Gtk.Widget.Send_Expose

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Gtk.Widget.Set_Accel_Path

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Gtk.Widget.Set_App_Paintable

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Gtk.Widget.Set_Child_Visible

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Gtk.Widget.Set_Colormap

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Gtk.Widget.Set_Composite_Name

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Gtk.Widget.Set_Direction

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Gtk.Widget.Set_Double_Buffered

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Gtk.Widget.Set_Events

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Gtk.Widget.Set_Extension_Events

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Gtk.Widget.Set_Flags

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Gtk.Widget.Set_Has_Tooltip

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Gtk.Widget.Set_Name

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(Inherited)
Gtk.Widget.Set_No_Show_All

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Gtk.Widget.Set_Parent

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Gtk.Widget.Set_Parent_Window

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Gtk.Widget.Set_Redraw_On_Allocate

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Gtk.Widget.Set_Scroll_Adjustments

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Gtk.Widget.Set_Sensitive

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Gtk.Widget.Set_Size_Request

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Gtk.Widget.Set_State

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Gtk.Widget.Set_Style

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Gtk.Widget.Set_Tooltip_Markup

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Gtk.Widget.Set_Tooltip_Text

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(Inherited)
Gtk.Widget.Set_Tooltip_Window

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(Inherited)
Gtk.Widget.Set_UPosition

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Gtk.Widget.Set_USize

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Gtk.Widget.Set_Window

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(Inherited)
Gtk.Widget.Shape_Combine_Mask

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(Inherited)
Gtk.Widget.Show

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(Inherited)
Gtk.Widget.Show_All

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(Inherited)
Gtk.Widget.Show_Now

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(Inherited)
Gtk.Widget.Size_Allocate

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(Inherited)
Gtk.Widget.Size_Request

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(Inherited)
Gtk.Widget.Style_Get_Property

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(Inherited)
Gtk.Widget.Thaw_Child_Notify

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(Inherited)
Gtk.Widget.Trigger_Tooltip_Query

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(Inherited)
Gtk.Widget.Unmap

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(Inherited)
Gtk.Widget.Unrealize

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Gtk.Widget.Unset_Flags

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(Inherited)
Steal

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# Types

### Gtk_Socket

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    type Gtk_Socket is access all Gtk_Socket_Record'Class;

# Constants & Global variables

### Signal_Plug_Added

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(Glib.Signal_Name)

    Signal_Plug_Added   : constant Glib.Signal_Name := "plug_added";

### Signal_Plug_Removed

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(Glib.Signal_Name)

    Signal_Plug_Removed : constant Glib.Signal_Name := "plug_removed";

# Subprograms & Entries

### Gtk_New

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    procedure Gtk_New (Widget: out Gtk_Socket);

Create a new empty GtkSocket.

### Initialize

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    procedure Initialize (Widget: access Gtk_Socket_Record'Class);

Internal initialization function. See the section "Creating your own widgets" in the documentation.

### Get_Type

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    function Get_Type return Glib.GType;

Return the internal value associated with a Gtk_Socket.

### Add_Id

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    procedure Add_Id (Socket: access Gtk_Socket_Record;Id: Guint32);

Add an XEMBED client, such as a Gtk_Plug, to the Gtk_Socket. The client may be in the same process or in a different process. To embed a Gtk_Plug in a Gtk_Socket, you can either create the Gtk_Plug with Gtk_New (0), call Gtk.Plug.Get_Id to get the window ID of the plug, and then pass that to the Gtk.Socket.Add_Id, or you can call Gtk.Socket.Get_Id to get the window ID for the socket, and call Gtk.Plug.Gtk_New passing in that ID. Id: the XID of a client participating in the XEMBED protocol. The Gtk_Socket must have already be added into a toplevel window before you can make this call.

### Get_Id

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    function Get_Id (Socket: access Gtk_Socket_Record) return Guint32;

Get the window ID of a Gtk_Socket widget, which can then be used to create a client embedded inside the socket, for instance with Gtk.Socket.Gtk_New (Id). The Gtk_Socket must have already been added into a toplevel window before you can make this call.

### Get_Plug_Window

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    function Get_Plug_Window (Socket: access Gtk_Socket_Record) return Gdk.Window.Gdk_Window;

Return the id of the embedded window.

### Steal

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    procedure Steal (Socket: access Gtk_Socket_Record;Wid: Guint32);

Steal Reparent a pre-existing toplevel window into a Gtk_Socket. This is meant to embed clients that do not know about embedding into a Gtk_Socket, however doing so is inherently unreliable, and using this function is not recommended. The Gtk_Socket must have already be added into a toplevel window before you can make this call. Wid is the XID of an existing toplevel window.