2006-11-25 09:33:55 -07:00
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'\" t
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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/XGetWAttr.man,v 1.3 2003/04/28 22:17:55 herrb Exp $
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.\" $XdotOrg: lib/X11/man/XGetWindowAttributes.man,v 1.2 2004-04-23 18:42:09 eich 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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.\".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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.sp \\n(DDu
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.fi
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..
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.de FD
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.LP
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.KS
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.TA .5i 3i
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.nf
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..
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.de FN
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.fi
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.KE
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.LP
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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 C{
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.KS
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.nf
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.D
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.\"
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.\" choose appropriate monospace font
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.\" the imagen conditional, 480,
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.\" may be changed to L if LB is too
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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"aps" .ft CW
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.el .vs \\n(VSp
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..
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.de C}
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.DE
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.R
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.de Pn
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.el \\$1\fI\^\\$2\^\fP\\$3
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.de ZN
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.el \fI\^\\$1\^\fP\\$2
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..
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.de NT
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.ne 7
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.ds NO Note
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.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
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.ie n .sp
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.el .sp 10p
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.TB
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.ce
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\\*(NO
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.ie n .sp
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.ll -5n
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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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.ce 0
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.in -5n
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.ll +5n
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.ie n .sp
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.el .sp 10p
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..
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.ny0
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'\" t
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.TH XGetWindowAttributes __libmansuffix__ __xorgversion__ "XLIB FUNCTIONS"
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.SH NAME
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XGetWindowAttributes, XGetGeometry, XWindowAttributes \- get current window attribute or geometry and current window attributes structure
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.SH SYNTAX
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.HP
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Status XGetWindowAttributes\^(\^Display *\fIdisplay\fP\^, Window \fIw\fP\^,
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XWindowAttributes *\fIwindow_attributes_return\fP\^);
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.HP
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Status XGetGeometry\^(\^Display *\fIdisplay\fP\^, Drawable \fId\fP\^, Window
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*\fIroot_return\fP\^, int *\fIx_return\fP\^, int *\fIy_return\fP\^, unsigned
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int *\fIwidth_return\fP\^, unsigned int *\fIheight_return\fP\^, unsigned int
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*\fIborder_width_return\fP\^, unsigned int *\fIdepth_return\fP\^);
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.SH ARGUMENTS
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.IP \fIborder_width_return\fP 1i
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Returns the border width in pixels.
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.ds Dr , which can be a window or a pixmap
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.IP \fId\fP 1i
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Specifies the drawable\*(Dr.
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.IP \fIdepth_return\fP 1i
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Returns the depth of the drawable (bits per pixel for the object).
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.IP \fIroot_return\fP 1i
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Returns the root window.
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.ds Wi whose current attributes you want to obtain
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.IP \fIw\fP 1i
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Specifies the window \*(Wi.
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.IP \fIwidth_return\fP 1i
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.br
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.ns
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.IP \fIheight_return\fP 1i
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Return the drawable's dimensions (width and height).
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.IP \fIwindow_attributes_return\fP 1i
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Returns the specified window's attributes in the
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.ZN XWindowAttributes
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structure.
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.IP \fIx_return\fP 1i
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.br
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.ns
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.IP \fIy_return\fP 1i
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Return the x and y coordinates that define the location of the drawable.
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For a window,
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these coordinates specify the upper-left outer corner relative to
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its parent's origin.
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For pixmaps, these coordinates are always zero.
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.SH DESCRIPTION
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The
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.ZN XGetWindowAttributes
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function returns the current attributes for the specified window to an
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.ZN XWindowAttributes
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2006-12-16 09:39:39 -07:00
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structure. It returns a nonzero status on success; otherwise, it returns a
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zero status.
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2006-11-25 09:33:55 -07:00
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.LP
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.ZN XGetWindowAttributes
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can generate
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.ZN BadDrawable
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and
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.ZN BadWindow
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errors.
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.LP
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The
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.ZN XGetGeometry
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function returns the root window and the current geometry of the drawable.
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The geometry of the drawable includes the x and y coordinates, width and height,
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border width, and depth.
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These are described in the argument list.
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It is legal to pass to this function a window whose class is
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.ZN InputOnly .
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2006-12-16 09:39:39 -07:00
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It returns a nonzero status on success; otherwise, it returns a
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zero status.
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2006-11-25 09:33:55 -07:00
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.SH STRUCTURES
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The
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.ZN XWindowAttributes
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structure contains:
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.LP
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.Ds 0
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.TA .5i 3i
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.ta .5i 3i
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typedef struct {
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2008-06-11 14:55:41 -06:00
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int x, y; /\&* location of window */
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int width, height; /\&* width and height of window */
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int border_width; /\&* border width of window */
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int depth; /\&* depth of window */
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Visual *visual; /\&* the associated visual structure */
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Window root; /\&* root of screen containing window */
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int class; /\&* InputOutput, InputOnly*/
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int bit_gravity; /\&* one of the bit gravity values */
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int win_gravity; /\&* one of the window gravity values */
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int backing_store; /\&* NotUseful, WhenMapped, Always */
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unsigned long backing_planes; /\&* planes to be preserved if possible */
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unsigned long backing_pixel; /\&* value to be used when restoring planes */
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Bool save_under; /\&* boolean, should bits under be saved? */
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Colormap colormap; /\&* color map to be associated with window */
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Bool map_installed; /\&* boolean, is color map currently installed*/
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int map_state; /\&* IsUnmapped, IsUnviewable, IsViewable */
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long all_event_masks; /\&* set of events all people have interest in*/
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long your_event_mask; /\&* my event mask */
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long do_not_propagate_mask; /\&* set of events that should not propagate */
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Bool override_redirect; /\&* boolean value for override-redirect */
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Screen *screen; /\&* back pointer to correct screen */
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2006-11-25 09:33:55 -07:00
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} XWindowAttributes;
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.De
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.LP
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The x and y members are set to the upper-left outer
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corner relative to the parent window's origin.
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The width and height members are set to the inside size of the window,
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not including the border.
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The border_width member is set to the window's border width in pixels.
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The depth member is set to the depth of the window
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(that is, bits per pixel for the object).
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The visual member is a pointer to the screen's associated
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.ZN Visual
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structure.
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The root member is set to the root window of the screen containing the window.
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The class member is set to the window's class and can be either
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.ZN InputOutput
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or
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.ZN InputOnly .
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.LP
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The bit_gravity member is set to the window's bit gravity
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and can be one of the following:
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.LP
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.TS
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lw(1.5i) lw(1.5i).
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T{
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.ZN ForgetGravity
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T} T{
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.ZN EastGravity
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T}
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T{
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.ZN NorthWestGravity
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T} T{
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.ZN SouthWestGravity
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T}
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T{
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.ZN NorthGravity
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T} T{
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.ZN SouthGravity
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T}
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T{
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.ZN NorthEastGravity
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T} T{
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.ZN SouthEastGravity
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T}
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T{
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.ZN WestGravity
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T} T{
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.ZN StaticGravity
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T}
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.ZN CenterGravity
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.TE
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.LP
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The win_gravity member is set to the window's window gravity
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and can be one of the following:
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.LP
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.TS
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lw(1.5i) lw(1.5i).
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T{
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.ZN UnmapGravity
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T} T{
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.ZN EastGravity
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T}
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T{
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.ZN NorthWestGravity
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T} T{
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.ZN SouthWestGravity
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T}
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T{
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.ZN NorthGravity
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T} T{
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.ZN SouthGravity
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T}
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T{
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.ZN NorthEastGravity
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T} T{
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.ZN SouthEastGravity
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T}
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T{
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.ZN WestGravity
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T} T{
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.ZN StaticGravity
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T}
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.ZN CenterGravity
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.TE
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.LP
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For additional information on gravity,
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see section 3.3.
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.LP
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The backing_store member is set to indicate how the X server should maintain
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the contents of a window
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and can be
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.ZN WhenMapped ,
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.ZN Always ,
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or
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.ZN NotUseful .
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The backing_planes member is set to indicate (with bits set to 1) which bit
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planes of the window hold dynamic data that must be preserved in backing_stores
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and during save_unders.
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The backing_pixel member is set to indicate what values to use
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for planes not set in backing_planes.
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.LP
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The save_under member is set to
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.ZN True
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or
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.ZN False .
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The colormap member is set to the colormap for the specified window and can be
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a colormap ID or
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.ZN None .
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The map_installed member is set to indicate whether the colormap is
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currently installed and can be
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.ZN True
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or
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.ZN False .
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The map_state member is set to indicate the state of the window and can be
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.ZN IsUnmapped ,
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.ZN IsUnviewable ,
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or
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.ZN IsViewable .
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.ZN IsUnviewable
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is used if the window is mapped but some ancestor is unmapped.
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.LP
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The all_event_masks member is set to the bitwise inclusive OR of all event
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masks selected on the window by all clients.
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The your_event_mask member is set to the bitwise inclusive OR of all event
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masks selected by the querying client.
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The do_not_propagate_mask member is set to the bitwise inclusive OR of the
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set of events that should not propagate.
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.LP
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The override_redirect member is set to indicate whether this window overrides
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|
structure control facilities and can be
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.ZN True
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or
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.ZN False .
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Window manager clients should ignore the window if this member is
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.ZN True .
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.LP
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The screen member is set to a screen pointer that gives you a back pointer
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to the correct screen.
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This makes it easier to obtain the screen information without
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having to loop over the root window fields to see which field matches.
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.SH DIAGNOSTICS
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.TP 1i
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.ZN BadDrawable
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A value for a Drawable argument does not name a defined Window or Pixmap.
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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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|
|
XQueryPointer(3X11),
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|
XQueryTree(3X11)
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.br
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\fI\*(xL\fP
|
