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'\" t
.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
.\"
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.\"
.\" The above copyright notice and this permission notice (including the next
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.\"
.TH XkbSAPtrDfltValue __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbSAPtrDfltValue \- Returns the valueXXX field of act converted to a signed int
.SH SYNOPSIS
.HP
.B int XkbSAPtrDfltValue
.BI "(\^XkbAction " "act" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- act
action from which to extract group
.SH DESCRIPTION
.LP
Actions associated with the XkbPtrDfltAction structure change the mk_dflt_btn
attribute of the MouseKeys control.
If the MouseKeys control is not enabled, KeyPress and KeyRelease events are
treated as though the action is XkbSA_NoAction. Otherwise, this action changes
the
.I mk_dflt_btn
attribute of the MouseKeys control.
The
.I type
field of the XkbPtrDfltAction structure should always be XkbSA_SetPtrDflt.
The
.I flags
field is composed of the bitwise inclusive OR of the values shown in Table 1
(currently there is only one value defined).
.TS
c s
l l
l lw(4i).
Table 1 Pointer Default Flags
_
Flag Meaning
_
XkbSA_DfltBtnAbsolute T{
If set, the value field represents an absolute pointer button. Otherwise, the
value field represents the amount to be added to the current default button.
T}
.TE
The
.I affect
field specifies what changes as a result of this action. The only valid value
for the
.I affect
field is XkbSA_AffectDfltBtn.
The
.I valueXXX
field is a signed character that represents the new button value for the
.I mk_dflt_btn
attribute of the MouseKeys control. If XkbSA_DfltBtnAbsolute is set in
.I flags, valueXXX
specifies the button to be used; otherwise,
.I valueXXX
specifies the amount to be added to the current default button. In either case,
illegal button choices are wrapped back around into range. Xkb provides macros,
to convert between the integer and signed character values in XkbPtrDfltAction
structures.
.I XkbSAPtrDfltValue
returns the
.I valueXXX
field of
.I act
converted to a signed int.
.SH STRUCTURES
.LP
.nf
typedef struct _XkbPtrDfltAction {
unsigned char type; /\&* XkbSA_SetPtrDflt */
unsigned char flags; /\&* controls the pointer button number */
unsigned char affect; /\&* XkbSA_AffectDfltBtn */
char valueXXX; /\&* new default button member */
} XkbPtrDfltAction;
.fi
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