217 lines
6.4 KiB
Groff
217 lines
6.4 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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.\"
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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 CW
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.\".ps \\n(PS
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.\".if \\n(VS>=40 .vs \\n(VSu
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.\".if \\n(VS<=39 .vs \\n(VSp
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..
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.de De
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.ce 0
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.if \\n(BD .DF
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.nr BD 0
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.in \\n(OIu
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.if \\n(TM .ls 2
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.sp \\n(DDu
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.fi
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..
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.de IN \" send an index entry to the stderr
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..
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.de Pn
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.ie t \\$1\fB\^\\$2\^\fR\\$3
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.el \\$1\fI\^\\$2\^\fP\\$3
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..
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.de ZN
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.ie t \fB\^\\$1\^\fR\\$2
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.el \fI\^\\$1\^\fP\\$2
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.de hN
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.ie t <\fB\\$1\fR>\\$2
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..
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.ny0
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.TH XMapWindow __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XMapWindow, XMapRaised, XMapSubwindows \- map windows
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.SH SYNTAX
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.HP
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int XMapWindow\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^);
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.HP
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int XMapRaised\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^);
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.HP
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int XMapSubwindows\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^);
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.SH ARGUMENTS
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIw\fP 1i
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Specifies the window.
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.SH DESCRIPTION
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The
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.ZN XMapWindow
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function
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maps the window and all of its
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subwindows that have had map requests.
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Mapping a window that has an unmapped ancestor does not display the
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window but marks it as eligible for display when the ancestor becomes
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mapped.
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Such a window is called unviewable.
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When all its ancestors are mapped,
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the window becomes viewable
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and will be visible on the screen if it is not obscured by another window.
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This function has no effect if the window is already mapped.
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.LP
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If the override-redirect of the window is
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.ZN False
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and if some other client has selected
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.ZN SubstructureRedirectMask
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on the parent window, then the X server generates a
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.ZN MapRequest
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event, and the
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.ZN XMapWindow
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function does not map the window.
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Otherwise, the window is mapped, and the X server generates a
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.ZN MapNotify
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event.
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.LP
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If the window becomes viewable and no earlier contents for it are remembered,
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the X server tiles the window with its background.
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If the window's background is undefined,
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the existing screen contents are not
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altered, and the X server generates zero or more
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.ZN Expose
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events.
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If backing-store was maintained while the window was unmapped, no
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.ZN Expose
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events
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are generated.
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If backing-store will now be maintained,
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a full-window exposure is always generated.
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Otherwise, only visible regions may be reported.
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Similar tiling and exposure take place for any newly viewable inferiors.
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.LP
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.IN "XMapWindow"
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If the window is an
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.ZN InputOutput
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window,
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.ZN XMapWindow
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generates
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.ZN Expose
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events on each
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.ZN InputOutput
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window that it causes to be displayed.
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If the client maps and paints the window
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and if the client begins processing events,
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the window is painted twice.
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To avoid this,
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first ask for
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.ZN Expose
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events and then map the window,
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so the client processes input events as usual.
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The event list will include
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.ZN Expose
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for each
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window that has appeared on the screen.
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The client's normal response to
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an
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.ZN Expose
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event should be to repaint the window.
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This method usually leads to simpler programs and to proper interaction
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with window managers.
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.LP
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.ZN XMapWindow
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can generate a
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.ZN BadWindow
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error.
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.LP
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The
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.ZN XMapRaised
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function
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essentially is similar to
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.ZN XMapWindow
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in that it maps the window and all of its
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subwindows that have had map requests.
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However, it also raises the specified window to the top of the stack.
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.LP
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.ZN XMapRaised
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can generate a
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.ZN BadWindow
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error.
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.LP
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The
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.ZN XMapSubwindows
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.IN "XMapSubwindows"
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function maps all subwindows for a specified window in top-to-bottom stacking
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order.
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The X server generates
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.ZN Expose
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events on each newly displayed window.
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This may be much more efficient than mapping many windows
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one at a time because the server needs to perform much of the work
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only once, for all of the windows, rather than for each window.
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.LP
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.ZN XMapSubwindows
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can generate a
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.ZN BadWindow
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error.
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.SH DIAGNOSTICS
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.TP 1i
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.ZN BadWindow
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A value for a Window argument does not name a defined Window.
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.SH "SEE ALSO"
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XChangeWindowAttributes(__libmansuffix__),
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XConfigureWindow(__libmansuffix__),
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XCreateWindow(__libmansuffix__),
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XDestroyWindow(__libmansuffix__),
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XRaiseWindow(__libmansuffix__),
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XUnmapWindow(__libmansuffix__)
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.br
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\fI\*(xL\fP
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