XtNameToWidget(Xt) X Version 11 (Release 5) XtNameToWidget(Xt)
6 January 1993
Name
XtNameToWidget - translating strings to widgets or widgets to windows
Syntax
Widget XtNameToWidget(reference, names);
Widget reference;
String names;
Widget XtWindowToWidget(display, window)
Display *display;
Window window;
Arguments
display Specifies the display on which the window is defined.
names Specifies the fully qualified name of the desired widget.
reference Specifies the widget from which the search is to start.
window Specify the window for which you want the widget.
Description
The XtNameToWidget function looks for a widget whose name is the first
component in the specified names and that is a pop-up child of reference
(or a normal child if reference is a subclass of compositeWidgetClass).
It then uses that widget as the new reference and repeats the search
after deleting the first component from the specified names. If it can-
not find the specified widget, XtNameToWidget returns NULL.
Note that the names argument contains the name of a widget with respect
to the specified reference widget and can contain more than one widget
name (separated by periods) for widgets that are not direct children of
the specified reference widget.
If more than one child of the reference widget matches the name, XtName-
ToWidget can return any of the children. The Intrinsics do not require
that all children of a widget have unique names. If the specified names
contain more than one component and if more than one child matches the
first component, XtNameToWidget can return NULL if the single branch that
it follows does not contain the named widget. That is, XtNameToWidget
does not back up and follow other matching branches of the widget tree.
The XtWindowToWidget function translates the specified window and display
pointer into the appropriate widget instance.
See also
X Toolkit Intrinsics - C Language Interface
Xlib - C Language X Interface