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XkbAddGeomOverlayKey(3)		 XKB FUNCTIONS	       XkbAddGeomOverlayKey(3)

       XkbAddGeomOverlayKey - Add a key	to an existing overlay row

       XkbOverlayKeyPtr	XkbAddGeomOverlayKey (XkbOverlayPtr overlay, XkbRowPtr
	      row, char	*under);

       - overlay
	      overlay to be updated

       - row  row in overlay to	be updated

       - under
	      primary name of the key to be considered

       Xkb provides functions to add a single new  element  to	the  top-level
       keyboard	 geometry. In each case	the num_ * fields of the corresponding
       structure is incremented	by 1. These functions do not change  sz_*  un-
       less  there  is no more room in the array. Some of these	functions fill
       in the values of	the element's structure	from the arguments. For	 other
       functions,  you must explicitly write code to fill the structure's ele-

       The top-level geometry description includes a list of geometry  proper-
       ties.   A  geometry  property  associates  an  arbitrary	string with an
       equally arbitrary name. Programs	that display images of	keyboards  can
       use  geometry properties	as hints, but they are not interpreted by Xkb.
       No other	geometry structures refer to geometry properties.

       XkbAddGeomOverlayKey adds one key to the	row in the overlay.  If	 there
       is  no key named	under in the row of the	underlying section, XkbAddGeo-
       mOverlayKey returns NULL.

	   typedef struct _XkbOverlayKey {
	       XkbKeyNameRec	       over;	  /* name of this overlay key */
	       XkbKeyNameRec	       under;	  /* name of the key under this	overlay	key */
	   } XkbOverlayKeyRec,*XkbOverlayKeyPtr;

X Version 11			 libX11	1.6.12	       XkbAddGeomOverlayKey(3)


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