106 lines
4.3 KiB
Groff
106 lines
4.3 KiB
Groff
.\" Copyright 1999 Sun Microsystems, Inc. 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 XkbSetDetectableAutoRepeat __libmansuffix__ __xorgversion__ "XKB FUNCTIONS"
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.SH NAME
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XkbSetDetectableAutoRepeat \- Sets DetectableAutoRepeat
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.SH SYNTAX
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.HP
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.B Bool XkbSetDetectableAutoRepeat
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.BI "(\^Display *" "display" "\^,"
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.BI "Bool " "detectable" "\^,"
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.BI "Bool *" "supported_rtrn" "\^);"
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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 \- display
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connection to X server
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.TP
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.I \- detectable
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True => set DetectableAutoRepeat
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.TP
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.I \- supported_rtrn
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backfilled True if DetectableAutoRepeat supported
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.SH DESCRIPTION
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.LP
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Auto-repeat is the generation of multiple key events by a keyboard when the user
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presses a key and holds it down. Keyboard hardware and device-dependent X server
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software often implement auto-repeat by generating multiple KeyPress events with
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no intervening KeyRelease event. The standard behavior of the X server is to
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generate a KeyRelease event for every KeyPress event. If the keyboard hardware
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and device-dependent software of the X server implement auto-repeat by
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generating multiple KeyPress events, the device-independent part of the X server
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by default synthetically generates a KeyRelease event after each KeyPress event.
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This provides predictable behavior for X clients, but does not allow those
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clients to detect the fact that a key is auto-repeating.
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Xkb allows clients to request
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.I detectable auto-repeat.
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If a client requests and the server supports DetectableAutoRepeat, Xkb generates
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KeyRelease events only when the key is physically released. If
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DetectableAutoRepeat is not supported or has not been requested, the server
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synthesizes a KeyRelease event for each repeating KeyPress event it generates.
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DetectableAutoRepeat, unlike other controls, is not contained in the
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XkbControlsRec structure, nor can it be enabled or disabled via the
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EnabledControls control. Instead, query and set DetectableAutoRepeat using
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.I XkbGetDetectableAutoRepeat
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and
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.I XkbSetDetectableAutoRepeat.
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DetectableAutoRepeat is a condition that applies to all keyboard devices for a
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client's connection to a given X server; it cannot be selectively set for some
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devices and not for others. For this reason, none of the Xkb library functions
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involving DetectableAutoRepeat involve a device specifier.
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This request affects all keyboard activity for the requesting client only; other
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clients still see the expected nondetectable auto-repeat behavior, unless they
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have requested otherwise.
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.I XkbSetDetectableAutoRepeat
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sends a request to the server to set DetectableAutoRepeat on for the current
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client if
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.I detectable
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is True, and off if
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.I detectable
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is False; it then waits for a reply. If
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.I supported_rtrn
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is not NULL,
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.I XkbSetDetectableAutoRepeat
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backfills
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.I supported_rtrn
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with True if the server supports DetectableAutoRepeat, and False if it does not.
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.I XkbSetDetectableAutoRepeat
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returns the current state of DetectableAutoRepeat for the requesting client:
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True if DetectableAutoRepeat is set, and False otherwise.
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.SH "RETURN VALUES"
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.TP 15
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True
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The
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.I XkbSetDetectableAutoRepeat
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function returns True if DetectableAutoRepeat is set.
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.TP 15
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False
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The
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.I XkbSetDetectableAutoRepeat
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function returns False if DetectableAutoRepeat is not set.
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