XkbAddGeomKey (3)
Leading comments
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NAME
XkbAddGeomKey - Add one key at the end of an existing row of keysSYNOPSIS
-
XkbKeyPtr XkbAddGeomKey
(XkbRowPtr row);
ARGUMENTS
- - row
-
- row to be updated
DESCRIPTION
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
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.
Keys are grouped into rows.
XkbAddGeomKey
adds one key to the end of the specified
row.
The key is allocated and zeroed.
XkbAddGeomKey
returns NULL if
row
is empty or if it was not able to allocate space for the key. To allocate space for an arbitrary
number of keys to a row, use
XkbAllocGeomKeys.
STRUCTURES
typedef struct _XkbKey { /* key in a row */ XkbKeyNameRec name; /* key name */ short gap; /* gap in mm/10 from previous key in row */ unsigned char shape_ndx; /* index of shape for key */ unsigned char color_ndx; /* index of color for key body */ } XkbKeyRec, *XkbKeyPtr;