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 XtRealizeWidget __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
 NAME
XtRealizeWidget, XtIsRealized, XtUnrealizeWidget - realize and unrealize widgets

 SYNTAX
#include <X11/Intrinsic.h>


void XtRealizeWidget(Widget w);


Boolean XtIsRealized(Widget w);


void XtUnrealizeWidget(Widget w);

 ARGUMENTS
 w 1i
Specifies the widget.

 DESCRIPTION
If the widget is already realized,
 XtRealizeWidget simply returns.
Otherwise, it performs the following:

 \(bu 5
Binds all action names in the widget's
translation table to procedures (see Section 10.1.2).

 \(bu 5
Makes a post-order traversal of the widget tree rooted
at the specified widget and calls the change_managed procedure
of each composite widget that has one or more managed children.

 \(bu 5
Constructs an
 XSetWindowAttributes structure filled in with information derived from the
 Core widget fields and calls the realize procedure for the widget,
which adds any widget-specific attributes and creates the X window.

 \(bu 5
If the widget is
not a subclass of
 compositeWidgetClass ,  XtRealizeWidget returns; otherwise, it continues and performs the following:



 - 5
Descends recursively to each of the widget's
managed children and calls the realize procedures.
Primitive widgets that instantiate children are responsible for realizing
those children themselves.

 - 5
Maps all of the managed children windows that have mapped_when_managed
 True . (If a widget is managed but mapped_when_managed is
 False , the widget is allocated visual space but is not displayed.
Some people seem to like this to indicate certain states.)




If the widget is a top-level shell widget (that is, it has no parent), and
mapped_when_managed is
 True ,  XtRealizeWidget maps the widget window.


The
 XtIsRealized function returns
 True if the widget has been realized,
that is, if the widget has a nonzero X window ID.


Some widget procedures (for example, set_values) might wish to
operate differently
after the widget has been realized.


The
 XtUnrealizeWidget function destroys the windows of an existing widget and all of its
children (recursively down the widget tree).
To recreate the windows at a later time,
call
 XtRealizeWidget again.
If the widget was managed,
it will be unmanaged automatically before its window is freed.

 "SEE ALSO"
XtManageChildren(__libmansuffix__)


\*(xT


\*(xL