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authormarha <marha@users.sourceforge.net>2009-11-05 18:03:37 +0000
committermarha <marha@users.sourceforge.net>2009-11-05 18:03:37 +0000
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+.\" $Xorg: XtSetArg.man,v 1.3 2000/08/17 19:42:02 cpqbld Exp $
+.\"
+.\" Copyright 1993 X Consortium
+.\"
+.\" Permission is hereby granted, free of charge, to any person obtaining
+.\" a copy of this software and associated documentation files (the
+.\" "Software"), to deal in the Software without restriction, including
+.\" without limitation the rights to use, copy, modify, merge, publish,
+.\" distribute, sublicense, and/or sell copies of the Software, and to
+.\" permit persons to whom the Software is furnished to do so, subject to
+.\" the following conditions:
+.\"
+.\" The above copyright notice and this permission notice shall be
+.\" included in all copies or substantial portions of the Software.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+.\" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+.\" IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
+.\" OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+.\" ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+.\" OTHER DEALINGS IN THE SOFTWARE.
+.\"
+.\" Except as contained in this notice, the name of the X Consortium shall
+.\" not be used in advertising or otherwise to promote the sale, use or
+.\" other dealings in this Software without prior written authorization
+.\" from the X Consortium.
+.\"
+.\" $XFree86: xc/doc/man/Xt/XtSetArg.man,v 1.3 2001/02/09 03:47:52 tsi Exp $
+.\"
+.ds tk X Toolkit
+.ds xT X Toolkit Intrinsics \- C Language Interface
+.ds xI Intrinsics
+.ds xW X Toolkit Athena Widgets \- C Language Interface
+.ds xL Xlib \- C Language X Interface
+.ds xC Inter-Client Communication Conventions Manual
+.ds Rn 3
+.ds Vn 2.2
+.hw XtSet-Arg XtMerge-Arg-Lists wid-get
+.na
+.de Ds
+.nf
+.\\$1D \\$2 \\$1
+.ft 1
+.ps \\n(PS
+.\".if \\n(VS>=40 .vs \\n(VSu
+.\".if \\n(VS<=39 .vs \\n(VSp
+..
+.de De
+.ce 0
+.if \\n(BD .DF
+.nr BD 0
+.in \\n(OIu
+.if \\n(TM .ls 2
+.sp \\n(DDu
+.fi
+..
+.de FD
+.LP
+.KS
+.TA .5i 3i
+.ta .5i 3i
+.nf
+..
+.de FN
+.fi
+.KE
+.LP
+..
+.de IN \" send an index entry to the stderr
+..
+.de C{
+.KS
+.nf
+.D
+.\"
+.\" choose appropriate monospace font
+.\" the imagen conditional, 480,
+.\" may be changed to L if LB is too
+.\" heavy for your eyes...
+.\"
+.ie "\\*(.T"480" .ft L
+.el .ie "\\*(.T"300" .ft L
+.el .ie "\\*(.T"202" .ft PO
+.el .ie "\\*(.T"aps" .ft CW
+.el .ft R
+.ps \\n(PS
+.ie \\n(VS>40 .vs \\n(VSu
+.el .vs \\n(VSp
+..
+.de C}
+.DE
+.R
+..
+.de Pn
+.ie t \\$1\fB\^\\$2\^\fR\\$3
+.el \\$1\fI\^\\$2\^\fP\\$3
+..
+.de ZN
+.ie t \fB\^\\$1\^\fR\\$2
+.el \fI\^\\$1\^\fP\\$2
+..
+.de NT
+.ne 7
+.ds NO Note
+.if \\n(.$>$1 .if !'\\$2'C' .ds NO \\$2
+.if \\n(.$ .if !'\\$1'C' .ds NO \\$1
+.ie n .sp
+.el .sp 10p
+.TB
+.ce
+\\*(NO
+.ie n .sp
+.el .sp 5p
+.if '\\$1'C' .ce 99
+.if '\\$2'C' .ce 99
+.in +5n
+.ll -5n
+.R
+..
+. \" Note End -- doug kraft 3/85
+.de NE
+.ce 0
+.in -5n
+.ll +5n
+.ie n .sp
+.el .sp 10p
+..
+.ny0
+.TH XtSetArg __libmansuffix__ __xorgversion__ "XT FUNCTIONS"
+.SH NAME
+XtSetArg, XtMergeArgLists \- set and merge ArgLists
+.SH SYNTAX
+.HP
+int XtSetArg(Arg \fIarg\fP, String \fIname\fP, XtArgVal \fIvalue\fP);
+.HP
+ArgList XtMergeArgLists(ArgList \fIargs1\fP, Cardinal \fInum_args1\fP, ArgList
+\fIargs2\fP, Cardinal \fInum_args2\fP);
+.SH ARGUMENTS
+.IP \fIarg\fP 1i
+Specifies the name-value pair to set.
+.IP \fIargs1\fP 1i
+Specifies the first
+.ZN ArgList .
+.IP \fIargs2\fP 1i
+Specifies the second
+.ZN ArgList .
+.IP \fInum_args1\fP 1i
+Specifies the number of arguments in the first argument list.
+.IP \fInum_args2\fP 1i
+Specifies the number of arguments in the second argument list.
+.IP \fIname\fP 1i
+Specifies the name of the resource.
+.IP \fIvalue\fP 1i
+Specifies the value of the resource if it will fit in an
+.ZN XtArgVal
+or the address.
+.SH DESCRIPTION
+The
+.ZN XtSetArg
+function is usually used in a highly stylized manner to
+minimize the probability of making a mistake; for example:
+.LP
+.Ds
+.TA .5i 3i
+.ta .5i 3i
+Arg args[20];
+int n;
+
+n = 0;
+XtSetArg(args[n], XtNheight, 100); n++;
+XtSetArg(args[n], XtNwidth, 200); n++;
+XtSetValues(widget, args, n);
+.De
+.LP
+Alternatively, an application can statically declare the argument list
+and use
+.ZN XtNumber :
+.LP
+.Ds
+.TA .5i 3i
+.ta .5i 3i
+static Args args[] = {
+ {XtNheight, (XtArgVal) 100},
+ {XtNwidth, (XtArgVal) 200},
+};
+XtSetValues(Widget, args, XtNumber(args));
+.De
+.LP
+Note that you should not use auto-increment or auto-decrement
+within the first argument to
+.ZN XtSetArg .
+.ZN XtSetArg
+can be implemented as a macro that dereferences the first argument twice.
+.LP
+The
+.ZN XtMergeArgLists
+function allocates enough storage to hold the combined
+.ZN ArgList
+structures and copies them into it.
+Note that it does not check for duplicate entries.
+When it is no longer needed,
+free the returned storage by using
+.ZN XtFree .
+.SH "SEE ALSO"
+XtOffset(3Xt)
+.br
+\fI\*(xT\fP
+.br
+\fI\*(xL\fP