223 lines
4.7 KiB
Plaintext
223 lines
4.7 KiB
Plaintext
.ds tk X Toolkit
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.ds xT X Toolkit Intrinsics \- C Language Interface
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.ds xI Intrinsics
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.ds xW X Toolkit Athena Widgets \- C Language 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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.ds Rn 3
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.ds Vn 2.2
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.hw XtMake-Geometry-Request XtQuery-Geometry wid-get
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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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.ny0
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.TH XtMakeGeometryRequest 3Xt "Release 3" "X Version 11" "XT FUNCTIONS"
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.SH NAME
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XtMakeGeometryRequest, XtMakeResizeRequest \- make geometry manager request
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.SH SYNTAX
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XtGeometryResult XtMakeGeometryRequest(\fIw\fP, \fIrequest\fP, \
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\fIreply_return\fP)
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.br
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Widget \fIw\fP;
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.br
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XtWidgetGeometry *\fIrequest\fP;
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.br
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XtWidgetGeometry *\fIreply_return\fP;
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.LP
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XtGeometryResult XtMakeResizeRequest(\fIw\fP, \fIwidth\fP, \fIheight\fP, \
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\fIwidth_return\fP, \fIheight_return\fP)
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.br
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Widget \fIw\fP;
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.br
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Dimension \fIwidth\fP, \fIheight\fP;
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.br
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Dimension *\fIwidth_return\fP, *\fIheight_return\fP
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.SH ARGUMENTS
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.IP \fIreply_return\fP 1i
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Returns the allowed widget size or may be NULL
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if the requesting widget is not interested in handling
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.ZN XtGeometryAlmost .
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.IP \fIrequest\fP 1i
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Specifies the desired widget geometry (size, position, border width,
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and stacking order).
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.ds Wi that is making the request
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.IP \fIw\fP 1i
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Specifies the widget \*(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 allowed widget width and height.
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.SH DESCRIPTION
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Depending on the condition,
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.ZN XtMakeGeometryRequest
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performs the following:
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.IP \(bu 5
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If the widget is unmanaged or the widget's parent is not realized,
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it makes the changes and returns
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.ZN XtGeometryYes .
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.IP \(bu 5
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If the parent is not a subclass of
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.ZN compositeWidgetClass
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or the parent's geometry_manager is NULL,
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it issues an error.
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.IP \(bu 5
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If the widget's being_destroyed field is
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.ZN True ,
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it returns
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.ZN XtGeometryNo .
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.IP \(bu 5
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If the widget x, y, width, height and border_width fields are
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all equal to the requested values,
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it returns
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.ZN XtGeometryYes ;
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otherwise, it calls the parent's geometry_manager procedure
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with the given parameters.
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.IP \(bu 5
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If the parent's geometry manager returns
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.ZN XtGeometryYes
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and if
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.ZN XtCWQueryOnly
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is not set in the request_mode
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and if the widget is realized,
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.ZN XtMakeGeometryRequest
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calls the
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.ZN XConfigureWindow
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Xlib function to reconfigure the widget's window (set its size, location,
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and stacking order as appropriate).
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.IP \(bu 5
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If the geometry manager returns
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.ZN XtGeometryDone ,
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the change has been approved and actually has been done.
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In this case,
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.ZN XtMakeGeometryRequest
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does no configuring and returns
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.ZN XtGeometryYes .
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.ZN XtMakeGeometryRequest
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never returns
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.ZN XtGeometryDone .
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.LP
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Otherwise,
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.ZN XtMakeGeometryRequest
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returns the resulting value from the parent's geometry manager.
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.LP
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Children of primitive widgets are always unmanaged; thus,
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.ZN XtMakeGeometryRequest
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always returns
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.ZN XtGeometryYes
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when called by a child of a primitive widget.
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.LP
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The
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.ZN XtMakeResizeRequest
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function, a simple interface to
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.ZN XtMakeGeometryRequest ,
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creates a
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.ZN XtWidgetGeometry
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structure and specifies that width and height should change.
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The geometry manager is free to modify any of the other window attributes
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(position or stacking order) to satisfy the resize request.
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If the return value is
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.ZN XtGeometryAlmost ,
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width_return and height_return contain a compromise width and height.
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If these are acceptable,
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the widget should immediately make an
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.ZN XtMakeResizeRequest
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and request that the compromise width and height be applied.
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If the widget is not interested in
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.ZN XtGeometryAlmost
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replies,
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it can pass NULL for width_return and height_return.
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.SH "SEE ALSO"
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XtConfigureWidget(3Xt),
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XtQueryGeometery(3Xt)
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.br
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\fI\*(xT\fP
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.br
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\fI\*(xL\fP
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