179 lines
5.2 KiB
Groff
179 lines
5.2 KiB
Groff
'\" t
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.\" Copyright (c) 1999 - Sun Microsystems, Inc.
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.\" All rights reserved.
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, and/or sell copies of the Software, and to permit persons
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.\" to whom the Software is furnished to do so, provided that the above
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.\" copyright notice(s) and this permission notice appear in all copies of
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.\" the Software and that both the above copyright notice(s) and this
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.\" permission notice appear in supporting documentation.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
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.\" OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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.\" HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL
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.\" INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING
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.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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.\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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.\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of a copyright holder
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.\" shall not be used in advertising or otherwise to promote the sale, use
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.\" or other dealings in this Software without prior written authorization
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.\" of the copyright holder.
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.\"
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.TH XkbAllocClientMap __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbAllocClientMap \- Allocate and initialize an empty client map description
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record
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.SH SYNOPSIS
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.B Status XkbAllocClientMap
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(
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.I xkb,
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.I which,
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.I type_count
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)
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.br
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XkbDescPtr \fIxkb\fP\^;
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.br
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unsigned int \fIwhich\fP\^;
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.br
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unsigned int \fItype_count\fP\^;
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.TP
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.I \- xkb
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keyboard description in which to allocate client map
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.TP
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.I \- which
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mask selecting map components to allocate
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.TP
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.I \- type_count
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value of num_types field in map to be allocated
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.SH DESCRIPTION
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.LP
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Calling
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.I XkbGetMap
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should be sufficient for most applications to get client and server maps. As a
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result, most applications do not need to directly allocate client and server
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maps.
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If you change the number of key types or construct map components without
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loading the necessary components from the X server, do not allocate any map
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components directly using
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.I malloc
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or
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.I Xmalloc.
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Instead, use the Xkb allocators,
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.I XkbAllocClientMap,
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and
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.I XkbAllocServerMap.
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Similarly, use the Xkb destructors,
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.I XkbFreeClientMap,
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and
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.I XkbFreeServerMap
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instead of
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.I free
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or
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.I Xfree.
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.I XkbAllocClientMap
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allocates and initializes an empty client map in the
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.I map
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field of the keyboard description specified by
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.I xkb.
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The
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.I which
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parameter specifies the particular components of the client map structure to
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allocate and is a mask composed by a bitwise inclusive OR of one or more of the
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masks shown in Table 1.
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.bp
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.TS
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c s
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l l
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l lw(4i).
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Table 1 XkbAllocClientMap Masks
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_
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Mask Effect
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_
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XkbKeyTypesMask T{
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The type_count field specifies the number of entries to preallocate for the
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types field of the client map. If the type_count field is less than
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XkbNumRequiredTypes returns BadValue.
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T}
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.sp
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XkbKeySymsMask T{
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The min_key_code and max_key_code fields of the xkb parameter are used to
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allocate the syms and key_sym_map fields of the client map. The fields are
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allocated to contain the maximum number of entries necessary for max_key_code -
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min_key_code + 1 keys.
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T}
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.sp
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XkbModifierMapMask T{
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The min_key_code and max_key_code fields of the xkb parameter are used to
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allocate the modmap field of the client map. The field is allocated to contain
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the maximum number of entries necessary for max_key_code - min_key_code + 1
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keys.
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T}
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.TE
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NOTE: The
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.I min_key_code
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and
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.I max_key_code
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fields of the
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.I xkb
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parameter must be legal values if the XkbKeySymsMask or XkbModifierMapMask masks
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are set in the
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.I which
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parameter. If they are not valid,
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.I XkbAllocClientMap
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returns BadValue.
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If the client map of the keyboard description is not NULL, and any fields are
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already allocated in the client map,
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.I XkbAllocClientMap
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does not overwrite the existing values; it simply ignores that part of the
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request. The only exception is the
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.I types
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array. If
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.I type_count
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is greater than the current
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.I num_types
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field of the client map,
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.I XkbAllocClientMap
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resizes the
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.I types
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array and resets the
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.I num_types
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field accordingly.
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If
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.I XkbAllocClientMap
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is successful, it returns Success. Otherwise, it can return either BadMatch,
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BadAlloc, or BadValue errors.
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.SH DIAGNOSTICS
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.TP 15
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.B BadAlloc
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Unable to allocate storage
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.TP 15
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.B BadMatch
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A compatible version of Xkb was not available in the server or an argument has
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correct type and range, but is otherwise invalid
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.TP 15
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.B BadValue
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An argument is out of range
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.SH "SEE ALSO"
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.BR XkbAllocClientMap (__libmansuffix__),
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.BR XkbAllocServerMap (__libmansuffix__),
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.BR XkbFreeClientMap, (__libmansuffix__),
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.BR XkbFreeServerMap (__libmansuffix__),
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.BR XkbGetMap (__libmansuffix__)
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