mirror of https://gitee.com/openkylin/libxres.git
138 lines
4.0 KiB
Groff
138 lines
4.0 KiB
Groff
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.\"
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.\" Copyright (C) 1994-2003 The XFree86 Project, Inc. All Rights Reserved.
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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
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.\" included 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,
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.\" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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.\" IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES
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.\" OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the XFree86 Project
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.\" shall not be used in advertising or otherwise to promote the sale, use
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.\" or other dealings in this Software without prior written authorization
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.\" from the XFree86 Project.
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.\"
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.TH XRes __libmansuffix__ __vendorversion__
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.SH NAME
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XRes \- X-Resource extension client library
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.SH SYNOPSIS
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.B #include <X11/extensions/XRes.h>
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.PP
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.nf
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.ta .5i 2i
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typedef struct {
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XID resource_base;
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XID resource_mask;
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} XResClient;
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typedef struct {
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Atom resource_type;
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unsigned int count;
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} XResType;
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.fi
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.HP
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Bool XResQueryExtension(Display *\fIdpy\fP,
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int *\fIevent_base_return\fP, int *\fIerror_base_return\fP\^);
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.HP
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Status XResQueryVersion(Display *\fIdpy\fP, int *\fImajor_version_return\fP,
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int *\fIminor_version_return\fP\^);
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.HP
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Status XResQueryClients(Display *\fIdpy\fP, int *\fInum_clients\fP,
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XResClient **\fIclients\fP\^);
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.HP
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Status XResQueryClientResources(Display *\fIdpy\fP, XID \fIxid\fP,
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int *\fInum_types\fP, XResType **\fItypes\fP\^);
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.HP
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Status XResQueryClientPixmapBytes(Display *\fIdpy\fP, XID \fIxid\fP,
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unsigned long *\fIbytes\fP\^);
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.PP
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.SH DESCRIPTION
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.B X-Resource
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is an extension that allows a client to query the X
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server about its usage of various resources. It should not be confused
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with the X resource database access functions.
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.PP
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.B XResQueryExtension
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returns
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.B True
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if the
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.I XRes
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extension is available on the given display.
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A client must call
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.B XResQueryExtension
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before calling any other XRes function in order
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to negotiate a compatible protocol version; otherwise the client will
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get undefined behavior (XRes may or may not work).
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.PP
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.B XResQueryVersion
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returns
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.B True
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if the request succeeded; the values of the major and minor protocol
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versions supported by the server are returned in
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.I major_version_return
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and
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.I minor_version_return .
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.PP
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.PP
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.B XResQueryClients
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fills a list of clients of the given display. For each client it
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returns in the
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.I XResClient
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structure a mask and a base value of the resources used by these
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clients.
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Returns
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.B True
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on success or
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.B False
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on failure.
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.PP
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.B XResQueryClientResources
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fills a list of
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XResType
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structures, indicating for each resource type allocated by the client its
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name (as an Atom) and the number of resources of this type allocated.
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Returns
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.B True
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on success or
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.B False
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on failure.
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.PP
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.B XResQueryClientPixmapBytes
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gives, for resources of type
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.I PIXMAP
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the total number of bytes allocated in the X server by the given
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client.
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Returns
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.B True
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on success or
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.B False
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on failure.
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.SH "ERRORS"
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.B XResQueryClientResources
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and
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.B XResQueryClientPixmapBytes
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will return
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.I BadValue
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if passed an illegal client identifier.
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.SH "SEE ALSO"
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X(__miscmansuffix__)
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.SH AUTHOR
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Mark Vojkovich, originally for The XFree86 Project Inc.
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.SH STABILITY
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This API is considered as experimental. The XRes library major
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revision may be incremented whenever incompatible changes are done to
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the API without notice. Use with care.
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