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sync code with last improvements from OpenBSD

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'\" t
.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
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.TH XkbFreeCompatMap __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
.SH NAME
XkbFreeCompatMap \- Free an entire compatibility map or selected portions of one
.SH SYNOPSIS
.HP
.B void XkbFreeCompatMap
.BI "(\^XkbDescPtr " "xkb" "\^,"
.BI "unsigned int " "which" "\^,"
.BI "Bool " "free_map" "\^);"
.if n .ti +5n
.if t .ti +.5i
.SH ARGUMENTS
.TP
.I \- xkb
Xkb description in which to free compatibility map
.TP
.I \- which
mask of compatibility map components to free
.TP
.I \- free_map
True => free XkbCompatMap structure itself
.SH DESCRIPTION
.LP
.I which
specifies the compatibility map components to be freed (see XkbGetCompatMap).
.I which
is an inclusive OR of the bits shown in Table 1.
.TS
c s s
l l l.
Table 1 Compatibility Map Component Masks
_
Mask Value Affecting
_
XkbSymInterpMask (1<<0) Symbol interpretations
XkbGroupCompatMask (1<<1) Group maps
XkbAllCompatMask (0x3) All compatibility map components
.TE
.I free_map
indicates whether the XkbCompatMap structure itself should be freed. If
.I free_map
is True,
.I which
is ignored, all non-NULL compatibility map components are freed, and the
.I compat
field in the XkbDescRec referenced by
.I xkb
is set to NULL.
.SH STRUCTURES
.LP
.nf
typedef struct _XkbCompatMapRec {
XkbSymInterpretPtr sym_interpret; /\&* symbol based key semantics*/
XkbModsRec groups[XkbNumKbdGroups]; /\&* group => modifier map */
unsigned short num_si; /\&* # structures used in sym_interpret */
unsigned short size_si; /\&* # structures allocated in sym_interpret */
} XkbCompatMapRec, *XkbCompatMapPtr;
.fi
The complete description of an Xkb keyboard is given by an XkbDescRec. The component
structures in the XkbDescRec represent the major Xkb components outlined in Figure 1.1.
.nf
typedef struct {
struct _XDisplay * display; /\&* connection to X server */
unsigned short flags; /\&* private to Xkb, do not modify */
unsigned short device_spec; /\&* device of interest */
KeyCode min_key_code; /\&* minimum keycode for device */
KeyCode max_key_code; /\&* maximum keycode for device */
XkbControlsPtr ctrls; /\&* controls */
XkbServerMapPtr server; /\&* server keymap */
XkbClientMapPtr map; /\&* client keymap */
XkbIndicatorPtr indicators; /\&* indicator map */
XkbNamesPtr names; /\&* names for all components */
XkbCompatMapPtr compat; /\&* compatibility map */
XkbGeometryPtr geom; /\&* physical geometry of keyboard */
} XkbDescRec, *XkbDescPtr;
.fi
The
.I display
field points to an X display structure. The
.I flags field is private to the library: modifying
.I flags
may yield unpredictable results. The
.I device_spec
field specifies the device identifier of the keyboard input device, or
XkbUseCoreKeyboard, which specifies the core keyboard device. The
.I min_key_code
and
.I max_key_code
fields specify the least and greatest keycode that can be returned by the keyboard.
The other fields specify structure components of the keyboard description and are
described in detail in other sections of this document. Table 2 identifies the
subsequent sections of this document that discuss the individual components of the
XkbDescRec.
.TS
c s
l l
l l.
Table 2 XkbDescRec Component References
_
XkbDescRec Field For more info
_
ctrls Chapter 10
server Chapter 16
map Chapter 15
indicators Chapter 8
names Chapter 18
compat Chapter 17
geom Chapter 13
.TE
Each structure component has a corresponding mask bit that is used in function calls to
indicate that the structure should be manipulated in some manner, such as allocating it
or freeing it. These masks and their relationships to the fields in the XkbDescRec are
shown in Table 3.
.TS
c s s
l l l
l l l.
Table 3 Mask Bits for XkbDescRec
_
Mask Bit XkbDescRec Field Value
_
XkbControlsMask ctrls (1L<<0)
XkbServerMapMask server (1L<<1)
XkbIClientMapMask map (1L<<2)
XkbIndicatorMapMask indicators (1L<<3)
XkbNamesMask names (1L<<4)
XkbCompatMapMask compat (1L<<5)
XkbGeometryMask geom (1L<<6)
XkbAllComponentsMask All Fields (0x7f)
.TE
.SH "SEE ALSO"
.BR XkbGetCompatMap (__libmansuffix__)