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'\" t
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.\" Copyright 1999 Oracle and/or its affiliates. All rights reserved.
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2010-05-18 13:37:28 -06:00
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.\"
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2007-09-30 04:11:57 -06:00
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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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2007-09-30 04:11:57 -06:00
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.\"
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.TH XkbAllocDeviceInfo __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbAllocDeviceInfo \- Obtain an XkbDeviceInfoRec structure
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.SH SYNOPSIS
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.HP
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.B XkbDeviceInfoPtr XkbAllocDeviceInfo
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.BI "(\^unsigned int " "device_spec" "\^,"
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.BI "unsigned int " "n_buttons" "\^,"
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.BI "unsigned int " "sz_leds" "\^);"
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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 \- device_spec
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device ID with which structure will be used
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.TP
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.I \- n_buttons
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number of button actions to allocate space for
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.TP
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.I \- sz_leds
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number of LED feedbacks to allocate space for
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.SH DESCRIPTION
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.LP
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.I XkbAllocDeviceInfo
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allocates space for an XkbDeviceInfoRec structure and initializes that structure's
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.I device_spec
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field with the device ID specified by
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.I device_spec.
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If
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.I n_buttons
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is nonzero,
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.I n_buttons
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XkbActions are linked into the XkbDeviceInfoRec structure and initialized to zero. If
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.I sz_leds
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is nonzero,
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.I sz_leds
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XkbDeviceLedInfoRec structures are also allocated and linked into the XkbDeviceInfoRec structure. If
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you request XkbDeviceLedInfoRec structures be allocated using this request, you must initialize them
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explicitly.
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To obtain an XkbDeviceLedInfoRec structure, use
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.I XkbAllocDeviceLedInfo.
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.SH STRUCTURES
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.LP
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Information about X Input Extension devices is transferred between a client program and the Xkb
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extension in an XkbDeviceInfoRec structure:
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.nf
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typedef struct {
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char * name; /\(** name for device */
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Atom type; /\(** name for class of devices */
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unsigned short device_spec; /\(** device of interest */
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Bool has_own_state; /\(** True=>this device has its own state */
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unsigned short supported; /\(** bits indicating supported capabilities */
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unsigned short unsupported; /\(** bits indicating unsupported capabilities */
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unsigned short num_btns; /\(** number of entries in btn_acts */
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XkbAction * btn_acts; /\(** button actions */
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unsigned short sz_leds; /\(** total number of entries in LEDs vector */
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unsigned short num_leds; /\(** number of valid entries in LEDs vector */
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unsigned short dflt_kbd_fb; /\(** input extension ID of default (core kbd) indicator */
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unsigned short dflt_led_fb; /\(** input extension ID of default indicator feedback */
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XkbDeviceLedInfoPtr leds; /\(** LED descriptions */
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} XkbDeviceInfoRec, *XkbDeviceInfoPtr;
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typedef struct {
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unsigned short led_class; /\(** class for this LED device*/
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unsigned short led_id; /\(** ID for this LED device */
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unsigned int phys_indicators; /\(** bits for which LEDs physically present */
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unsigned int maps_present; /\(** bits for which LEDs have maps in maps */
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unsigned int names_present; /\(** bits for which LEDs are in names */
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unsigned int state; /\(** 1 bit => corresponding LED is on */
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Atom names[XkbNumIndicators]; /\(** names for LEDs */
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XkbIndicatorMapRec maps; /\(** indicator maps for each LED */
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} XkbDeviceLedInfoRec, *XkbDeviceLedInfoPtr;
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.fi
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.SH "SEE ALSO"
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.BR XkbAllocDeviceLedInfo (__libmansuffix__)
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