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.TH XkbCopyKeyTypes 3 "libX11 1.6.7" "X Version 11" "XKB FUNCTIONS"
.SH NAME
XkbCopyKeyTypes \- Copy more than one XkbKeyTypeRec structure
.SH SYNOPSIS
.HP
.B Status XkbCopyKeyTypes
.BI "(\^XkbKeyTypePtr " "from" "\^,"
.BI "XkbKeyTypePtr " "into" "\^,"
.BI "int " "num_types" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- from
pointer to array of XkbKeyTypeRecs to copy
.TP
.I \- into
pointer to array of XkbKeyTypeRecs to change
.TP
.I \- num_types
number of types to copy
.SH DESCRIPTION
.LP
.I XkbCopyKeyTypes 
copies 
.I num_types 
XkbKeyTypeRec structures from the array specified by 
.I from 
into the array specified by 
.I into. 
It is intended for copying between, rather than within, keyboard descriptions, 
so it 
doesn't check for overlaps. The same rules that apply to the 
.I from 
and 
.I into 
parameters in 
.I XkbCopyKeyType 
apply to each entry of the 
.I from 
and 
.I into 
arrays of 
.I XkbCopyKeyTypes. 
If any allocation errors occur while copying 
.I from 
to 
.I into, XkbCopyKeyTypes 
returns BadAlloc. Otherwise, 
.I XkbCopyKeyTypes 
copies 
.I from 
to 
.I into 
and returns Success.
.SH "RETURN VALUES"
.TP 15
Success
The XkbCopyKeyTypes function returns Success when there are no allocation 
errors.
.SH STRUCTURES
.LP
Key types are used to determine the shift level of a key given the current state 
of the 
keyboard. The set of all possible key types for the Xkb keyboard description are 
held in 
the
.I types 
field of the client map, whose total size is stored in 
.I size_types, 
and whose total number of valid entries is stored in 
.I num_types. 
Key types are defined using the following structure:
.nf

typedef struct {                   /\(** Key Type */
    XkbModsRec        mods;        /\(** modifiers used to compute shift level */
    unsigned char     num_levels;  /\(** total # shift levels, do not modify 
directly */
    unsigned char     map_count;   /\(** # entries in map, preserve (if non-NULL) 
*/
    XkbKTMapEntryPtr  map;         /\(** vector of modifiers for each shift level 
*/
    XkbModsPtr        preserve;    /\(** mods to preserve for corresponding map 
entry */
    Atom              name;        /\(** name of key type */
    Atom *            level_names; /\(** array of names of each shift level */
} XkbKeyTypeRec, *XkbKeyTypePtr;
.fi
.SH DIAGNOSTICS
.TP 15
.B BadAlloc
Unable to allocate storage
.SH "SEE ALSO"
.BR XkbCopyKeyType (3)