267 lines
6.6 KiB
Plaintext
267 lines
6.6 KiB
Plaintext
.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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.nf
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.ny0
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.TH XParseGeometry 3X11 "Release 5" "X Version 11" "XLIB FUNCTIONS"
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.SH NAME
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XParseGeometry, XWMGeometry \- parse window geometry
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.SH SYNTAX
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.\" $Header: XParseGeom.f,v 1.1 88/02/26 10:01:42 mento Exp $
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int XParseGeometry\^(\^\fIparsestring\fP\^, \fIx_return\fP\^, \fIy_return\fP\^, \fIwidth_return\fP\^, \fIheight_return\fP\^)
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.br
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char *\fIparsestring\fP\^;
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.br
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int *\fIx_return\fP\^, *\fIy_return\fP\^;
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.br
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unsigned int *\fIwidth_return\fP\^, *\fIheight_return\fP\^;
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.LP
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int XWMGeometry\^(\^\fIdisplay\fP, \fIscreen\fP, \fIuser_geom\fP, \
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\fIdef_geom\fP, \fIbwidth\fP, \fIhints\fP, \fIx_return\fP, \fIy_return\fP,
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.br
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\fIwidth_return\fP, \fIheight_return\fP, \fIgravity_return\fP\^)
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.br
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Display *\fIdisplay\fP\^;
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.br
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int \fIscreen\fP\^;
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.br
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char *\fIuser_geom\fP\^;
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.br
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char *\fIdef_geom\fP\^;
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.br
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unsigned int \fIbwidth\fP\^;
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.br
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XSizeHints *\fIhints\fP\^;
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.br
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int *\fIx_return\fP, *\fIy_return\fP\^;
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.br
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int *\fIwidth_return\fP\^;
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.br
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int *\fIheight_return\fP\^;
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.br
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int *\fIgravity_return\fP\^;
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.SH ARGUMENTS
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.\" $Header: posdef.a,v 1.1 88/02/26 10:30:34 mento Exp $
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.IP \fIposition\fP 1i
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.br
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.ns
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.IP \fIdefault_position\fP 1i
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Specify the geometry specifications.
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.\" $Header: display.a,v 1.1 88/02/26 10:26:29 mento Exp $
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.IP \fIdisplay\fP 1i
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Specifies the connection to the X server.
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.\" $Header: fwdht.a,v 1.1 88/02/26 10:27:34 mento Exp $
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.IP \fIfheight\fP 1i
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.br
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.ns
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.IP \fIfwidth\fP 1i
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Specify the font height and width in pixels (increment size).
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.\" $Header: parsestring.a,v 1.1 88/02/26 10:30:19 mento Exp $
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.IP \fIparsestring\fP 1i
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Specifies the string you want to parse.
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.IP \fIscreen\fP 1i
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Specifies the screen.
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.\" $Header: widtheight2.a,v 1.1 88/02/26 10:32:28 mento Exp $
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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 width and height determined.
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.\" $Header: xyadder.a,v 1.1 88/02/26 10:33:00 mento Exp $
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.IP \fIxadder\fP 1i
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.br
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.ns
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.IP \fIyadder\fP 1i
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Specify additional interior padding needed in the window.
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.\" $Header: xy_ret.a,v 1.3 88/05/20 05:05:44 mento Exp $
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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 offsets.
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.\" $Header: bwidth.a,v 1.1 88/02/26 10:05:23 mento Exp $
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.IP \fIbwidth\fP 1i
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Specifies the border width.
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.IP \fIhints\fP 1i
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Specifies the size hints for the window in its normal state.
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.IP \fIdef_geom\fP 1i
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Specifies the application's default geometry or NULL.
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.IP \fIgravity_return\fP 1i
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Returns the window gravity.
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.IP \fIuser_geom\fP 1i
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Specifies the user-specified geometry or NULL.
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.SH DESCRIPTION
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.\" $Header: XParseGeom.d,v 1.3 88/08/20 10:15:39 mento Exp $
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By convention,
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X applications use a standard string to indicate window size and placement.
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.ZN XParseGeometry
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makes it easier to conform to this standard because it allows you
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to parse the standard window geometry.
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Specifically, this function lets you parse strings of the form:
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.LP
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.Ds
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[=][<\fIwidth\fP>{xX}<\fIheight\fP>][{+-}<\fIxoffset\fP>{+-}<\fIyoffset\fP>]
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.De
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.LP
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The fields map into the arguments associated with this function.
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(Items enclosed in <\^> are integers, items in [\^] are optional, and
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items enclosed in {\^} indicate ``choose one of.''
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Note that the brackets should not appear in the actual string.)
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If the string is not in the Host Portable Character Encoding
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the result is implementation dependent.
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.LP
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The
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.ZN XParseGeometry
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function returns a bitmask that indicates which of the four values (width,
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height, xoffset, and yoffset) were actually found in the string
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and whether the x and y values are negative.
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By convention, \-0 is not equal to +0, because the user needs to
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be able to say ``position the window relative to the right or bottom edge.''
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For each value found, the corresponding argument is updated.
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For each value not found, the argument is left unchanged.
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The bits are represented by
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.ZN XValue ,
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.ZN YValue ,
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.ZN WidthValue ,
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.ZN HeightValue ,
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.ZN XNegative ,
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or
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.ZN YNegative
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and are defined in
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.Pn < X11/Xutil.h >.
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They will be set whenever one of the values is defined
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or one of the signs is set.
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.LP
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If the function returns either the
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.ZN XValue
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or
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.ZN YValue
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flag,
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you should place the window at the requested position.
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.LP
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The
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.ZN XWMGeometry
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function combines any geometry information (given in the format used by
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.ZN XParseGeometry )
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specified by the user and by the calling program with size hints
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(usually the ones to be stored in WM_NORMAL_HINTS) and returns the position,
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size, and gravity
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.Pn ( NorthWestGravity ,
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.ZN NorthEastGravity ,
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.ZN SouthEastGravity ,
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or
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.ZN SouthWestGravity )
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that describe the window.
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If the base size is not set in the
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.ZN XSizeHints
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structure,
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the minimum size is used if set.
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Otherwise, a base size of zero is assumed.
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If no minimum size is set in the hints structure,
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the base size is used.
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A mask (in the form returned by
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.ZN XParseGeometry )
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that describes which values came from the user specification
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and whether or not the position coordinates are relative
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to the right and bottom edges is returned.
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Note that these coordinates will have already been accounted for
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in the x_return and y_return values.
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.LP
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Note that invalid geometry specifications can cause a width or height
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of zero to be returned.
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The caller may pass the address of the hints win_gravity field
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as gravity_return to update the hints directly.
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.SH "SEE ALSO"
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XSetWMProperties(3X11)
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.br
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\fI\*(xL\fP
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