XtVaSetValues man page on BSDOS

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XtSetValues(3Xt)	   XT FUNCTIONS		XtSetValues(3Xt)

NAME
       XtSetValues, XtVaSetValues, XtSetSubvalues, XtVaSet-
       Subvalues, XtGetValues, XtVaGetValues, XtGetSubvalues,
       XtVaGetSubvalues - obtain and set widget resources

SYNTAX
       void XtSetValues(w, args, num_args)
	     Widget w;
	     ArgList args;
	     Cardinal num_args;

       void XtVaSetValues(w, ...)
	     Widget w;

       void XtSetSubvalues(base, resources, num_resources, args,
       num_args)
	     XtPointer base;
	     XtResourceList resources;
	     Cardinal num_resources;
	     ArgList args;
	     Cardinal num_args;

       void XtVaSetSubvalues(base, resources, num_resources, ...)
	     XtPointer base;
	     XtResourceList resources;
	     Cardinal num_resources;

       void XtGetValues(w, args, num_args)
	     Widget w;
	     ArgList args;
	     Cardinal num_args;

       void XtVaGetValues(w, ...)
	     Widget w;

       void XtGetSubvalues(base, resources, num_resources, args,
       num_args)
	     XtPointer base;
	     XtResourceList resources;
	     Cardinal num_resources;
	     ArgList args;
	     Cardinal num_args;

       void XtVaGetSubvalues(base, resources, num_resources, ...)
	     XtPointer base;
	     XtResourceList resources;
	     Cardinal num_resources;

ARGUMENTS
       args	Specifies the argument list of name/address
		 pairs that contain the resource name and either
		 the address into which the resource value is to
		 be stored or their new values.

X Version 11		Release 6.4				1

XtSetValues(3Xt)	   XT FUNCTIONS		XtSetValues(3Xt)

       base	Specifies the base address of the subpart data
		 structure where the resources should be
		 retrieved or written.

       num_args Specifies the number of arguments in the argu-
		 ment list.

       resources Specifies the nonwidget resource list or values.

       num_resources
		 Specifies the number of resources in the
		 resource list.

       w	 Specifies the widget.

       ...	Specifes the variable argument list of
		 name/address pairs that contain the resource
		 name and either the address into which the
		 resource value is to be stored or their new val-
		 ues.

DESCRIPTION
       The XtSetValues function starts with the resources speci-
       fied for the Core widget fields and proceeds down the sub-
       class chain to the widget.  At each stage, it writes the
       new value (if specified by one of the arguments) or the
       existing value (if no new value is specified) to a new
       widget data record.  XtSetValues then calls the set_values
       procedures for the widget in superclass-to-subclass order.
       If the widget has any non-NULL set_values_hook fields,
       these are called immediately after the corresponding
       set_values procedure.  This procedure permits subclasses
       to set nonwidget data for XtSetValues.

       If the widget's parent is a subclass of
       constraintWidgetClass, XtSetValues also updates the wid-
       get's constraints.  It starts with the constraint
       resources specified for constraintWidgetClass and proceeds
       down the subclass chain to the parent's class.  At each
       stage, it writes the new value or the existing value to a
       new constraint record.  It then calls the constraint
       set_values procedures from constraintWidgetClass down to
       the parent's class.  The constraint set_values procedures
       are called with widget arguments, as for all set_values
       procedures, not just the constraint record arguments, so
       that they can make adjustments to the desired values based
       on full information about the widget.

       XtSetValues determines if a geometry request is needed by
       comparing the current widget to the new widget.	If any
       geometry changes are required, it makes the request, and
       the geometry manager returns XtGeometryYes,
       XtGeometryAlmost, or XtGeometryNo.  If XtGeometryYes,
       XtSetValues calls the widget's resize procedure. If

X Version 11		Release 6.4				2

XtSetValues(3Xt)	   XT FUNCTIONS		XtSetValues(3Xt)

       XtGeometryNo, XtSetValues resets the geometry fields to
       their original values.  If XtGeometryAlmost, XtSetValues
       calls the set_values_almost procedure, which determines
       what should be done and writes new values for the geometry
       fields into the new widget.  XtSetValues then repeats this
       process, deciding once more whether the geometry manager
       should be called.

       Finally, if any of the set_values procedures returned
       True, XtSetValues causes the widget's expose procedure to
       be invoked by calling the Xlib XClearArea function on the
       widget's window.

       The XtSetSubvalues function stores resources into the
       structure identified by base.

       The XtGetValues function starts with the resources speci-
       fied for the core widget fields and proceeds down the sub-
       class chain to the widget.  The value field of a passed
       argument list should contain the address into which to
       store the corresponding resource value.	It is the
       caller's responsibility to allocate and deallocate this
       storage according to the size of the resource representa-
       tion type used within the widget.

       If the widget's parent is a subclass of
       constraintWidgetClass, XtGetValues then fetches the values
       for any constraint resources requested.	It starts with
       the constraint resources specified for constraintWidget-
       Class and proceeds down to the subclass chain to the par-
       ent's constraint resources.  If the argument list contains
       a resource name that is not found in any of the resource
       lists searched, the value at the corresponding address is
       not modified.  Finally, if the get_values_hook procedures
       are non-NULL, they are called in superclass-to-subclass
       order after all the resource values have been fetched by
       XtGetValues.  This permits a subclass to provide nonwidget
       resource data to XtGetValues.

       The XtGetSubvalues function obtains resource values from
       the structure identified by base.

SEE ALSO
       X Toolkit Intrinsics - C Language Interface
       Xlib - C Language X Interface

X Version 11		Release 6.4				3

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