165 lines
5.4 KiB
Groff
165 lines
5.4 KiB
Groff
'\" t
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.\" Copyright 1999 Oracle and/or its affiliates. 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 "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software is furnished to do so, subject to the following conditions:
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.\"
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.\" The above copyright notice and this permission notice (including the next
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.\" paragraph) shall be included in all copies or substantial portions of the
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.\" Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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.\" LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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.\" FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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.\" DEALINGS IN THE SOFTWARE.
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.\"
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.TH XkbFreeCompatMap __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbFreeCompatMap \- Free an entire compatibility map or selected portions of one
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.SH SYNOPSIS
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.HP
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.B void XkbFreeCompatMap
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.BI "(\^XkbDescPtr " "xkb" "\^,"
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.BI "unsigned int " "which" "\^,"
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.BI "Bool " "free_map" "\^);"
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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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Xkb description in which to free compatibility map
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.TP
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.I \- which
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mask of compatibility map components to free
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.TP
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.I \- free_map
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True => free XkbCompatMap structure itself
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.SH DESCRIPTION
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.LP
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.I which
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specifies the compatibility map components to be freed (see XkbGetCompatMap).
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.I which
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is an inclusive OR of the bits shown in Table 1.
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.TS
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c s s
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l l l.
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Table 1 Compatibility Map Component Masks
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_
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Mask Value Affecting
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_
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XkbSymInterpMask (1<<0) Symbol interpretations
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XkbGroupCompatMask (1<<1) Group maps
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XkbAllCompatMask (0x3) All compatibility map components
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.TE
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.I free_map
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indicates whether the XkbCompatMap structure itself should be freed. If
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.I free_map
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is True,
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.I which
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is ignored, all non-NULL compatibility map components are freed, and the
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.I compat
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field in the XkbDescRec referenced by
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.I xkb
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is set to NULL.
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.SH STRUCTURES
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.LP
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.nf
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typedef struct _XkbCompatMapRec {
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XkbSymInterpretPtr sym_interpret; /\(** symbol based key semantics*/
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XkbModsRec groups[XkbNumKbdGroups]; /\(** group => modifier map */
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unsigned short num_si; /\(** # structures used in sym_interpret */
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unsigned short size_si; /\(** # structures allocated in sym_interpret */
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} XkbCompatMapRec, *XkbCompatMapPtr;
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.fi
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The complete description of an Xkb keyboard is given by an XkbDescRec. The component
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structures in the XkbDescRec represent the major Xkb components outlined in Figure 1.1.
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.nf
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typedef struct {
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struct _XDisplay * display; /\(** connection to X server */
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unsigned short flags; /\(** private to Xkb, do not modify */
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unsigned short device_spec; /\(** device of interest */
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KeyCode min_key_code; /\(** minimum keycode for device */
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KeyCode max_key_code; /\(** maximum keycode for device */
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XkbControlsPtr ctrls; /\(** controls */
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XkbServerMapPtr server; /\(** server keymap */
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XkbClientMapPtr map; /\(** client keymap */
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XkbIndicatorPtr indicators; /\(** indicator map */
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XkbNamesPtr names; /\(** names for all components */
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XkbCompatMapPtr compat; /\(** compatibility map */
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XkbGeometryPtr geom; /\(** physical geometry of keyboard */
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} XkbDescRec, *XkbDescPtr;
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.fi
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The
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.I display
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field points to an X display structure. The
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.I flags field is private to the library: modifying
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.I flags
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may yield unpredictable results. The
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.I device_spec
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field specifies the device identifier of the keyboard input device, or
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XkbUseCoreKeyboard, which specifies the core keyboard device. 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 specify the least and greatest keycode that can be returned by the keyboard.
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The other fields specify structure components of the keyboard description and are
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described in detail in other sections of this document. Table 2 identifies the
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subsequent sections of this document that discuss the individual components of the
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XkbDescRec.
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.TS
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c s
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l l
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l l.
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Table 2 XkbDescRec Component References
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_
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XkbDescRec Field For more info
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_
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ctrls Chapter 10
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server Chapter 16
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map Chapter 15
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indicators Chapter 8
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names Chapter 18
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compat Chapter 17
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geom Chapter 13
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.TE
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Each structure component has a corresponding mask bit that is used in function calls to
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indicate that the structure should be manipulated in some manner, such as allocating it
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or freeing it. These masks and their relationships to the fields in the XkbDescRec are
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shown in Table 3.
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.TS
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c s s
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l l l
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l l l.
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Table 3 Mask Bits for XkbDescRec
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_
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Mask Bit XkbDescRec Field Value
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_
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XkbControlsMask ctrls (1L<<0)
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XkbServerMapMask server (1L<<1)
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XkbIClientMapMask map (1L<<2)
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XkbIndicatorMapMask indicators (1L<<3)
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XkbNamesMask names (1L<<4)
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XkbCompatMapMask compat (1L<<5)
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XkbGeometryMask geom (1L<<6)
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XkbAllComponentsMask All Fields (0x7f)
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.TE
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.SH "SEE ALSO"
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.BR XkbGetCompatMap (__libmansuffix__)
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