273 lines
7.6 KiB
Groff
273 lines
7.6 KiB
Groff
.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1994, 1996 X Consortium
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining
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.\" a copy of this software and associated documentation files (the
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.\" "Software"), to deal in the Software without restriction, including
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.\" without limitation the rights to use, copy, modify, merge, publish,
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.\" distribute, sublicense, and/or sell copies of the Software, and to
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.\" permit persons to whom the Software is furnished to do so, subject to
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.\" the following conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be included
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.\" in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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.\" OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall
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.\" not be used in advertising or otherwise to promote the sale, use or
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.\" other dealings in this Software without prior written authorization
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.\" from the X Consortium.
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.\"
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.\" Copyright \(co 1985, 1986, 1987, 1988, 1989, 1990, 1991 by
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.\" Digital Equipment Corporation
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.\"
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.\" Portions Copyright \(co 1990, 1991 by
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.\" Tektronix, Inc.
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.\"
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.\" Permission to use, copy, modify and distribute this documentation for
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.\" any purpose and without fee is hereby granted, provided that the above
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.\" copyright notice appears in all copies and that both that copyright notice
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.\" and this permission notice appear in all copies, and that the names of
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.\" Digital and Tektronix not be used in in advertising or publicity pertaining
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.\" to this documentation without specific, written prior permission.
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.\" Digital and Tektronix makes no representations about the suitability
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.\" of this documentation for any purpose.
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.\" It is provided ``as is'' without express or implied warranty.
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.\"
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.\" $XFree86: xc/doc/man/X11/XLookKsym.man,v 1.4 2003/02/15 17:48:39 dawes Exp $
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.\"
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xW Athena X Widgets \- C Language X Toolkit Interface
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.ds xL Xlib \- C Language X Interface
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.ds xC Inter-Client Communication Conventions Manual
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.na
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.de Ds
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.nf
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.\\$1D \\$2 \\$1
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.ny0
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.TH XLookupKeysym __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XLookupKeysym, XRefreshKeyboardMapping, XLookupString, XRebindKeysym \- handle keyboard input events in Latin-1
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.SH SYNTAX
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.HP
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KeySym XLookupKeysym(\^XKeyEvent *\fIkey_event\fP\^, int \fIindex\fP\^);
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.HP
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int XRefreshKeyboardMapping(\^XMappingEvent *\fIevent_map\fP\^);
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.HP
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int XLookupString(\^XKeyEvent *\fIevent_struct\fP\^, char
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*\fIbuffer_return\fP\^, int \fIbytes_buffer\fP\^, KeySym
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*\fIkeysym_return\fP\^, XComposeStatus *\fIstatus_in_out\fP\^);
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.HP
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int XRebindKeysym(\^Display *\fIdisplay\fP\^, KeySym \fIkeysym\fP\^, KeySym
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\fIlist\fP\^[\^]\^, int \fImod_count\fP\^, unsigned char *\fIstring\fP\^, int
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\fInum_bytes\fP\^);
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.SH ARGUMENTS
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.IP \fIbuffer_return\fP 1i
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Returns the translated characters.
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.IP \fIbytes_buffer\fP 1i
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Specifies the length of the buffer.
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No more than bytes_buffer of translation are returned.
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.IP \fInum_bytes\fP 1i
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Specifies the number of bytes in the string argument.
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIevent_map\fP 1i
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Specifies the mapping event that is to be used.
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.IP \fIevent_struct\fP 1i
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Specifies the key event structure to be used.
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You can pass
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.ZN XKeyPressedEvent
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or
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.ZN XKeyReleasedEvent .
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.IP \fIindex\fP 1i
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Specifies the index into the KeySyms list for the event's KeyCode.
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.IP \fIkey_event\fP 1i
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Specifies the
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.ZN KeyPress
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or
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.ZN KeyRelease
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event.
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.IP \fIkeysym\fP 1i
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Specifies the KeySym that is to be \*(Fn.
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.IP \fIkeysym_return\fP 1i
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Returns the KeySym computed from the event if this argument is not NULL.
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.IP \fIlist\fP 1i
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Specifies the KeySyms to be used as modifiers.
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.IP \fImod_count\fP 1i
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Specifies the number of modifiers in the modifier list.
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.IP \fIstatus_in_out\fP 1i
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Specifies or returns the
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.ZN XComposeStatus
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structure or NULL.
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.IP \fIstring\fP 1i
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Specifies the string that is copied and will be returned by
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.ZN XLookupString .
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.SH DESCRIPTION
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The
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.ZN XLookupKeysym
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function uses a given keyboard event and the index you specified to return
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the KeySym from the list that corresponds to the KeyCode member in the
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.ZN XKeyPressedEvent
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or
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.ZN XKeyReleasedEvent
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structure.
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If no KeySym is defined for the KeyCode of the event,
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.ZN XLookupKeysym
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returns
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.ZN NoSymbol .
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.LP
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The
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.ZN XRefreshKeyboardMapping
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function refreshes the stored modifier and keymap information.
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You usually call this function when a
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.ZN MappingNotify
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event with a request member of
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.ZN MappingKeyboard
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or
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.ZN MappingModifier
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occurs.
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The result is to update Xlib's knowledge of the keyboard.
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.LP
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The
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.ZN XLookupString
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function translates a key event to a KeySym and a string.
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The KeySym is obtained by using the standard interpretation of the
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.ZN Shift ,
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.ZN Lock ,
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group, and numlock modifiers as defined in the X Protocol specification.
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If the KeySym has been rebound (see
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.ZN XRebindKeysym ),
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the bound string will be stored in the buffer.
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Otherwise, the KeySym is mapped, if possible, to an ISO Latin-1 character
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or (if the Control modifier is on) to an ASCII control character,
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and that character is stored in the buffer.
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.ZN XLookupString
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returns the number of characters that are stored in the buffer.
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.LP
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If present (non-NULL),
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the
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.ZN XComposeStatus
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structure records the state,
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which is private to Xlib,
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that needs preservation across calls to
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.ZN XLookupString
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to implement compose processing.
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The creation of
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.ZN XComposeStatus
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structures is implementation-dependent;
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a portable program must pass NULL for this argument.
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.LP
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The
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.ZN XRebindKeysym
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function can be used to rebind the meaning of a KeySym for the client.
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It does not redefine any key in the X server but merely
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provides an easy way for long strings to be attached to keys.
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.ZN XLookupString
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returns this string when the appropriate set of
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modifier keys are pressed and when the KeySym would have been used for
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the translation.
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No text conversions are performed;
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the client is responsible for supplying appropriately encoded strings.
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Note that you can rebind a KeySym that may not exist.
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.SH "SEE ALSO"
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XButtonEvent(3X11),
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XMapEvent(3X11),
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XStringToKeysym(3X11)
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.br
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\fI\*(xL\fP
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