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'\" t
.\" Copyright (c) 1999, Oracle and/or its affiliates.
.\"
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.\" Software is furnished to do so, subject to the following conditions:
.\"
.\" The above copyright notice and this permission notice (including the next
.\" paragraph) shall be included in all copies or substantial portions of the
.\" Software.
.\"
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\"
.TH XkbAllocControls __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbAllocControls \- Allocates an XkbControlsRec structure in the XkbDescRec
.SH SYNOPSIS
.HP
.B Status XkbAllocControls
.BI "(\^XkbDescPtr " "xkb" "\^,"
.BI "unsigned int " "which" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I xkb
Xkb description in which to allocate ctrls rec
.TP
.I which
mask of components of ctrls to allocate
.SH DESCRIPTION
.LP
The need to allocate an XkbControlsRec structure seldom arises; Xkb creates one
when an application calls
.I XkbGetControls
or a related function. For those situations where there is not an XkbControlsRec
structure allocated in the XkbDescRec, allocate one by calling
.I XkbAllocControls.
.I XkbAllocControls
allocates the
.I ctrls
field of the
.I xkb
parameter, initializes all fields to zero, and returns Success. If the
.I ctrls
field is not NULL,
.I XkbAllocControls
simply returns Success. If
.I xkb
is NULL,
.I XkbAllocControls
reports a BadMatch error. If the
.I ctrls
field could not be allocated, it reports a BadAlloc error.
The
.I which
mask specifies the individual fields of the
.I ctrls
structure to be allocated and can contain any of the valid masks defined in
Table 1.
(SHOULD THIS COMMENT BE LEFT IN????)
Because none of the currently existing controls have any structures associated
with them, which is currently of little practical value in this call.
Table 1 shows the actual values for the individual mask bits used to select
controls for
modification and to enable and disable the control. Note that the same mask bit
is used to
specify general modifications to the parameters used to configure the control
(which), and to
enable and disable the control (enabled_ctrls). The anomalies in the table (no
"ok" in column)
are for controls that have no configurable attributes; and for controls that are
not boolean
controls and therefore cannot be enabled or disabled.
.TS
c s s s
l l l l
l l l l
l l l l.
Table 1 Controls Mask Bits
_
Mask Bit which or enabled Value
changed_ctrls _ctrls
_
XkbRepeatKeysMask ok ok (1L<<0)
XkbSlowKeysMask ok ok (1L<<1)
XkbBounceKeysMask ok ok (1L<<2)
XkbStickyKeysMask ok ok (1L<<3)
XkbMouseKeysMask ok ok (1L<<4)
XkbMouseKeysAccelMask ok ok (1L<<5)
XkbAccessXKeysMask ok ok (1L<<6)
XkbAccessXTimeoutMask ok ok (1L<<7)
XkbAccessXFeedbackMask ok ok (1L<<8)
XkbAudibleBellMask ok (1L<<9)
XkbOverlay1Mask ok (1L<<10)
XkbOverlay2Mask ok (1L<<11)
XkbIgnoreGroupLockMask ok (1L<<12)
XkbGroupsWrapMask ok (1L<<27)
XkbInternalModsMask ok (1L<<28)
XkbIgnoreLockModsMask ok (1L<<29)
XkbPerKeyRepeatMask ok (1L<<30)
XkbControlsEnabledMask ok (1L<<31)
XkbAccessXOptionsMask ok ok (XkbStickyKeysMask |
XkbAccessXFeedbackMask)
XkbAllBooleanCtrlsMask ok (0x00001FFF)
XkbAllControlsMask ok (0xF8001FFF)
.TE
.nh
.SH "RETURN VALUES"
.TP 15
SUCCESS
allocates the ctrls field of the xkb parameter, initializes all fields to zero
.sp
.in 20
the ctrls field is not NULL
.SH DIAGNOSTICS
.TP 15
.B BadAlloc
Unable to allocate storage
.TP 15
.B BadMatch
A compatible version of Xkb was not available in the server or an argument has
correct type and range, but is otherwise invalid
.SH "SEE ALSO"
.BR XkbGetControls (__libmansuffix__)
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