228 lines
6.8 KiB
Groff
228 lines
6.8 KiB
Groff
.\"
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.\" 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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.\"
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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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.ft 1
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.LP
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.KS
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.de IN \" send an index entry to the stderr
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.de C{
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.\"
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.ie "\\*(.T"480" .ft L
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.DE
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.ny0
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.TH XSupportsLocale __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XSupportsLocale, XSetLocaleModifiers \- determine locale support and configure locale modifiers
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.SH SYNTAX
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.HP
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Bool XSupportsLocale\^(void);
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.HP
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char *XSetLocaleModifiers\^(\^char *\fImodifier_list\fP\^);
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.SH ARGUMENTS
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.IP \fImodifier_list\fP 1i
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Specifies the modifiers.
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.SH DESCRIPTION
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The
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.ZN XSupportsLocale
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function returns
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.ZN True
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if Xlib functions are capable of operating under the current locale.
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If it returns
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.ZN False ,
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Xlib locale-dependent functions for which the
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.ZN XLocaleNotSupported
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return status is defined will return
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.ZN XLocaleNotSupported .
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Other Xlib locale-dependent routines will operate in the ``C'' locale.
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.LP
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The
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.ZN XSetLocaleModifiers
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function sets the X modifiers for the current locale setting.
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The modifier_list argument is a null-terminated string of the form
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``{@\^\fIcategory\fP\^=\^\fIvalue\fP\^}'', that is,
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having zero or more concatenated ``@\^\fIcategory\fP\^=\^\fIvalue\fP\^''
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entries, where \fIcategory\fP is a category name
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and \fIvalue\fP is the (possibly empty) setting for that category.
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The values are encoded in the current locale.
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Category names are restricted to the POSIX Portable Filename Character Set.
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.LP
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The local host X locale modifiers announcer (on POSIX-compliant systems,
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the XMODIFIERS environment variable) is appended to the modifier_list to
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provide default values on the local host.
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If a given category appears more than once in the list,
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the first setting in the list is used.
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If a given category is not included in the full modifier list,
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the category is set to an implementation-dependent default
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for the current locale.
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An empty value for a category explicitly specifies the
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implementation-dependent default.
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.LP
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If the function is successful, it returns a pointer to a string.
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The contents of the string are such that a subsequent call with that string
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(in the same locale) will restore the modifiers to the same settings.
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If modifier_list is a NULL pointer,
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.ZN XSetLocaleModifiers
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also returns a pointer to such a string,
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and the current locale modifiers are not changed.
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.LP
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If invalid values are given for one or more modifier categories supported by
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the locale, a NULL pointer is returned, and none of the
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current modifiers are changed.
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.LP
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At program startup,
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the modifiers that are in effect are unspecified until
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the first successful call to set them. Whenever the locale is changed, the
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modifiers that are in effect become unspecified until the next successful call
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to set them.
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Clients should always call
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.ZN XSetLocaleModifiers
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with a non-NULL modifier_list after setting the locale
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before they call any locale-dependent Xlib routine.
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.LP
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The only standard modifier category currently defined is ``im'',
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which identifies the desired input method.
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The values for input method are not standardized.
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A single locale may use multiple input methods,
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switching input method under user control.
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The modifier may specify the initial input method in effect
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or an ordered list of input methods.
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Multiple input methods may be specified in a single im value string
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in an implementation-dependent manner.
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.LP
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The returned modifiers string is owned by Xlib and should not be modified or
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freed by the client.
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It may be freed by Xlib after the current locale or modifiers are changed.
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Until freed, it will not be modified by Xlib.
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.SH "SEE ALSO"
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\fI\*(xL\fP
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