187 lines
5.0 KiB
Groff
187 lines
5.0 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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.\" $XFree86: xc/doc/man/X11/XQTree.man,v 1.3 2001/02/09 03:47:46 tsi 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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.ft 1
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.\".if \\n(VS<=39 .vs \\n(VSp
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.de De
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.ce 0
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.de FD
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.KS
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.\" choose appropriate monospace font
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.\" the imagen conditional, 480,
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.\" heavy for your eyes...
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.\"
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.ie "\\*(.T"480" .ft L
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.el .ie "\\*(.T"300" .ft L
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.el .ie "\\*(.T"202" .ft PO
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.el .ie "\\*(.T"aps" .ft CW
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.de C}
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.ie t \\$1\fB\^\\$2\^\fR\\$3
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.de NT
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.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
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.if \\n(.$ .if !'\\$1'C' .ds NO \\$1
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.R
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..
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. \" Note End -- doug kraft 3/85
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.de NE
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..
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.ny0
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.TH XQueryTree __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XQueryTree \- query window tree information
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.SH SYNTAX
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.HP
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Status XQueryTree\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^, Window
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*\fIroot_return\fP\^, Window *\fIparent_return\fP\^, Window
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**\fIchildren_return\fP\^, unsigned int *\fInchildren_return\fP\^);
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.SH ARGUMENTS
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.IP \fIchildren_return\fP 1i
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Returns the list of children.
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fInchildren_return\fP 1i
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Returns the number of children.
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.IP \fIparent_return\fP 1i
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Returns the parent window.
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.IP \fIroot_return\fP 1i
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Returns the root window.
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.ds Wi whose list of children, root, parent, and number of children \
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you want to obtain
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.IP \fIw\fP 1i
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Specifies the window \*(Wi.
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.SH DESCRIPTION
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The
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.ZN XQueryTree
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function returns the root ID, the parent window ID,
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a pointer to the list of children windows
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(NULL when there are no children),
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and the number of children in the list for the specified window.
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The children are listed in current stacking order, from bottom-most
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(first) to top-most (last).
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.ZN XQueryTree
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returns zero if it fails and nonzero if it succeeds.
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To free a non-NULL children list when it is no longer needed, use
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.ZN XFree .
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.SH BUGS
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This really should return a screen *, not a root window ID.
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.SH "SEE ALSO"
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XFree(3X11),
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XGetWindowAttributes(3X11),
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XQueryPointer(3X11)
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.br
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\fI\*(xL\fP
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