XmProcessTraversal man page on Ultrix

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XmProcessTraversal(3X)		   OSF/Motif		XmProcessTraversal(3X)

NAME
       XmProcessTraversal   -  A  function  that  determines  which  component
       receives keyboard events when a widget has the focus

SYNOPSIS
       #include <Xm/Xm.h>

       Boolean XmProcessTraversal (widget, direction)	   Widget	  wid‐
       get;	 XmTraversalDirectiondirection;

DESCRIPTION
       XmProcessTraversal  determines  which component of a hierarchy receives
       keyboard events when the hierarchy that contains the given  widget  has
       keyboard	 focus.	  Using	 XmProcessTraversal  to	 traverse to MenuBars,
       Pulldown MenuPanes, or Popup MenuPanes is not supported.	 Specifies the
       widget  ID of the widget whose hierarchy is to be traversed.  The hier‐
       archy is only traversed up to the top of the shell.  If that shell does
       not  currently  have  the  focus, any changes to the element with focus
       within that shell will not occur until the next time the shell recieves
       focus.  Specifies the direction of traversal

       The  direction parameter can have the following values, which cause the
       routine to take the corresponding actions: XmTRAVERSE_CURRENT—Finds the
       hierarchy  and the tab group that contain widget.  If this tab group is
       not the active tab group, makes it the active tab group.	 If widget  is
       an  item	 in the active tab group, makes it the active item.  If widget
       is the active tab group, makes the first traversable item  in  the  tab
       group  the  active item.	 XmTRAVERSE_DOWN—Finds the hierarchy that con‐
       tains widget.  Finds the active item in the active tab group and	 makes
       the  item  below it the active item.  If there is no item below, wraps.
       XmTRAVERSE_HOME—Finds the hierarchy that contains  widget.   Finds  the
       active  item  in	 the  active tab group and makes the first traversable
       item in the tab group the active item.  XmTRAVERSE_LEFT—Finds the hier‐
       archy  that  contains  widget.  Finds the active item in the active tab
       group and makes the item to the left the active item.  If there	is  no
       item to the left, wraps.	 XmTRAVERSE_NEXT—Finds the hierarchy that con‐
       tains widget.  Finds the active item in the active tab group and	 makes
       the   next   item   in	child	order	the   active   item.	XmTRA‐
       VERSE_NEXT_TAB_GROUP—Finds the hierarchy that contains  widget.	 Finds
       the  active  tab group (if any) and makes the next tab group the active
       tab group in the hierarchy.  XmTRAVERSE_PREV—Finds the  hierarchy  that
       contains	 widget.   Finds  the  active item in the active tab group and
       makes the previous  item	 in  child  order  the	active	item.	XmTRA‐
       VERSE_PREV_TAB_GROUP—Finds  the	hierarchy that contains widget.	 Finds
       the active tab group (if any) and makes	the  previous  tab  group  the
       active  tab group in the hierarchy.  XmTRAVERSE_RIGHT—Finds the hierar‐
       chy that contains widget.  Finds the active  item  in  the  active  tab
       group  and makes the item to the right the active item.	If there is no
       item to the right, wraps.  XmTRAVERSE_UP—Finds the hierarchy that  con‐
       tains  widget.  Finds the active item in the active tab group and makes
       the item above it the active item.  If there is no item above, wraps.

   CAUTIONS
       XmProcessTraversal will not allow traversal to a widget in a  different
       shell.	XmProcessTraversal  will  only allow traversal to widgets that
       are currently mapped.  You cannot call XmProcessTraversal from inside a
       focusCallback routine (or you will get a segmentation fault).

RETURN VALUE
       Returns	True  if the setting succeeded.	 Returns False if the keyboard
       focus policy is not XmEXPLICIT, if there are no traversable  items,  or
       if the call to the routine has invalid parameters.

RELATED INFORMATION
       XmGetVisibility(3X) and XmIsTraversable(3X).

							XmProcessTraversal(3X)
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