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.\" Copyright (c) 1993, 1994 X Consortium
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.\"
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2006-11-25 11:01:46 -07:00
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute, sublicense,
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.\" and/or sell copies of the Software, and to permit persons to whom the
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.\" Software furnished to do so, subject to the following conditions:
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.\"
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2006-11-25 11:01:46 -07:00
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.\" The above copyright notice and this permission notice shall be included in
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.\" all copies or substantial portions of the Software.
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.\"
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2006-11-25 11:01:46 -07:00
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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.\" IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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.\" FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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.\" THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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.\" WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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.\" OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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.\" SOFTWARE.
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.\"
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.\" Except as contained in this notice, the name of the X Consortium shall not
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.\" be used in advertising or otherwise to promote the sale, use or other
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.\" dealing in this Software without prior written authorization from the
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.\" X Consortium.
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.\"
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.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 XtSet-Values XtVa-Set-Values XtSet-Subvalues XtVa-Set-Subvalues XtGet-Values XtVa-Get-Values XtGet-Subvalues XtVa-Get-Subvalues constraint-Widget-Class 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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.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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.de De
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.fi
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.de FD
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.KS
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.de FN
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.de IN \" send an index entry to the stderr
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.de C{
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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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.de C}
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.DE
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.R
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.de NT
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.ds NO Note
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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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.TB
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.ce
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\\*(NO
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.if '\\$1'C' .ce 99
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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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.el .sp 10p
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..
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.ny0
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.TH XtSetValues __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
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.SH NAME
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XtSetValues, XtVaSetValues, XtSetSubvalues, XtVaSetSubvalues, XtGetValues, XtVaGetValues, XtGetSubvalues, XtVaGetSubvalues \- obtain and set widget resources
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.SH SYNTAX
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.HP
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void XtSetValues(Widget \fIw\fP, ArgList \fIargs\fP, Cardinal \fInum_args\fP);
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.HP
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void XtVaSetValues(Widget \fIw\fP, ...\^);
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.HP
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void XtSetSubvalues(XtPointer \fIbase\fP, XtResourceList \fIresources\fP,
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Cardinal \fInum_resources\fP, ArgList \fIargs\fP, Cardinal \fInum_args\fP);
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.HP
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void XtVaSetSubvalues(XtPointer \fIbase\fP, XtResourceList \fIresources\fP,
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Cardinal \fInum_resources\fP, ...\^);
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.HP
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void XtGetValues(Widget \fIw\fP, ArgList \fIargs\fP, Cardinal \fInum_args\fP);
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.HP
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void XtVaGetValues(Widget \fIw\fP, ...\^);
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.HP
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void XtGetSubvalues(XtPointer \fIbase\fP, XtResourceList \fIresources\fP,
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Cardinal \fInum_resources\fP, ArgList \fIargs\fP, Cardinal \fInum_args\fP);
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.HP
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void XtVaGetSubvalues(XtPointer \fIbase\fP, XtResourceList \fIresources\fP,
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Cardinal \fInum_resources\fP, ...\^);
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.SH ARGUMENTS
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.ds Al of name/address pairs that contain the resource name \
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and either the address into which the resource value is to be stored \
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or their new values
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.IP \fIargs\fP 1i
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Specifies the argument list \*(Al.
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.ds Ba retrieved or written
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.IP \fIbase\fP 1i
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Specifies the base address of the subpart data structure where the resources
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should be \*(Ba.
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.IP \fInum_args\fP 1i
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Specifies the number of arguments in the argument list.
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.IP \fIresources\fP 1i
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Specifies the nonwidget resource list or values.
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.IP \fInum_resources\fP 1i
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Specifies the number of resources in the resource list.
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.IP \fIw\fP 1i
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Specifies the widget.
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.IP \fI...\fP 1i
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Specifies the variable argument list \*(Al.
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.SH DESCRIPTION
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The
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.ZN XtSetValues
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function starts with the resources specified for the
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.ZN Core
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widget fields and proceeds down the subclass chain to the widget.
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At each stage,
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it writes the new value (if specified by one of the arguments) or the existing
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value (if no new value is specified) to a new widget data record.
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.ZN XtSetValues
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then calls the set_values procedures for the widget in superclass-to-subclass
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order.
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.IN "hook"
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If the widget has any non-NULL set_values_hook fields,
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these are called immediately after the
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corresponding set_values procedure.
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This procedure permits subclasses to set nonwidget data for
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.ZN XtSetValues .
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.LP
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If the widget's parent is a subclass of
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.ZN constraintWidgetClass ,
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.ZN XtSetValues
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also updates the widget's constraints.
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It starts with the constraint resources specified for
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.ZN constraintWidgetClass
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and proceeds down the subclass chain to the parent's class.
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At each stage,
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it writes the new value or the existing value to a new constraint record.
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It then calls the constraint set_values procedures from
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.ZN constraintWidgetClass
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down to the parent's class.
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The constraint set_values procedures are called with widget arguments,
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as for all set_values procedures, not just the constraint record arguments,
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so that they can make adjustments to the desired values based
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on full information about the widget.
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.LP
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.ZN XtSetValues
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determines if a geometry request is needed by comparing the current widget to
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the new widget.
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If any geometry changes are required,
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it makes the request, and the geometry manager returns
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.ZN XtGeometryYes ,
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.ZN XtGeometryAlmost ,
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or
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.ZN XtGeometryNo .
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If
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.ZN XtGeometryYes ,
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.ZN XtSetValues
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calls the widget's resize procedure.
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If
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.ZN XtGeometryNo ,
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.ZN XtSetValues
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resets the geometry fields to their original values.
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If
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.ZN XtGeometryAlmost ,
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.ZN XtSetValues
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calls the set_values_almost procedure,
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which determines what should be done and writes new values for the
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geometry fields into the new widget.
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.ZN XtSetValues
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then repeats this process,
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deciding once more whether the geometry manager should be called.
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.LP
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Finally, if any of the set_values procedures returned
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.ZN True ,
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.ZN XtSetValues
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causes the widget's expose procedure to be invoked by calling the Xlib
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.ZN XClearArea
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function on the widget's window.
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.LP
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The
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.ZN XtSetSubvalues
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function stores resources into the structure identified by base.
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.LP
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The
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.ZN XtGetValues
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function starts with the resources specified for the core widget fields
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and proceeds down the subclass chain to the widget.
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The value field of a passed argument list should contain the
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address into which to store the corresponding resource value.
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It is the caller's responsibility
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to allocate and deallocate this storage according to the size of the
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resource representation type used within the widget.
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.LP
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If the widget's parent is a subclass of
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.ZN constraintWidgetClass ,
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.ZN XtGetValues
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then fetches the values for any constraint resources requested.
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It starts with the constraint resources specified for
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.ZN constraintWidgetClass
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and proceeds down to the subclass chain to the parent's constraint resources.
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If the argument list contains a resource name that is not found in any of the
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resource lists searched,
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the value at the corresponding address is not modified.
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.IN "hook"
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Finally, if the get_values_hook procedures are non-NULL,
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they are called in superclass-to-subclass order after
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all the resource values have been fetched by
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.ZN XtGetValues .
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This permits a subclass to provide nonwidget resource data to
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.ZN XtGetValues .
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.LP
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The
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.ZN XtGetSubvalues
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function obtains resource values from the structure identified by base.
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.SH "SEE ALSO"
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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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