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X11R7.4 - man page for xkbaddgeomrow (x11r4 section 3)

XkbAddGeomRow(3)			  XKB FUNCTIONS 			 XkbAddGeomRow(3)

       XkbAddGeomRow - Add a row to a section

       XkbRowPtr XkbAddGeomRow ( section, sz_keys )
	     XkbSectionPtr section;
	     int sz_keys;

       - section
	      section to be updated

       - sz_keys
	      number of keys to be reserved

       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_*  unless 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 elements.

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

       One of the components of a keyboard geometry section is one or more rows of keys.   XkbAd-
       dGeomRow  adds one row to the specified section.  The newly created row contains space for
       the number of keys specified in sz_keys.  They are allocated  and  zeroed,  but	otherwise
       uninitialized.	XkbAddGeomRow returns NULL if any of the parameters is empty or if it was
       not able to allocate space for the row. To allocate space for an arbitrary number of  rows
       to a section, use the XkbAllocGeomRows function.

       typedef struct _XkbRow {
	       short	       top;
	       short	       left;
	       unsigned short  num_keys;
	       unsigned short  sz_keys;
	       int	       vertical;
	       XkbKeyPtr       keys;
	       XkbBoundsRec    bounds;
       } XkbRowRec, *XkbRowPtr;


X Version 11				   libX11 1.2.1 			 XkbAddGeomRow(3)

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