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From: lynnes@ALEX.CSS.GOV (Christopher Lynnes)
Newsgroups: comp.windows.x.motif
Subject: Re: XmString type converter
Message-ID: <9101312334.AA05514@alex.CSS.GOV>
Date: 31 Jan 91 23:34:50 GMT
Sender: daemon@ucbvax.BERKELEY.EDU
Distribution: inet
Organization: The Internet
Lines: 56

>I have posted this question and have gotten no answer. Now I 
>want to post the question again and hope people outthere be 
>able to help me with this.
>
>This is a common problem with motif labelString. Resource manager
>can't handle multiple line label string specified in resource file
>
	You can add your own String->XmString converter.
Here is a crude solution:

#include <Xm/Xm.h>
#include <X11/Intrinsic.h>
#include <X11/Xresource.h>

void
CvtXmString(args, cnt, from, to)
        XrmValuePtr     *args;
        Cardinal        cnt;
        XrmValuePtr     from;
        XrmValuePtr     to;
{
        char    *s = from->addr;
        static XmString xms;

        if (s == NULL)
        {
                to->size = 0;
                to->addr = (caddr_t)NULL;
        }
        else
        {
                xms = XmStringCreateLtoR(s, XmSTRING_DEFAULT_CHARSET);
                to->size = sizeof(XmString);
                to->addr = (caddr_t)&xms;
        }
}

Then, add this converter function after initializing the toolkit, but 
before you create your widgets (except for the toplevel one), like so:

        XtAddConverter(XtRString, XmRXmString, CvtXmString, NULL, 0);

(You will need to include Xm.h and StringDefs.h here if you aren't already).

Then, a resource specification looking like:

	TestUil*main.labelString: This is a test\nThis is only a test

should do the trick (works for me).


Chris Lynnes                                ===== : = :::::
Teledyne Geotech                           ===== :: == :::::
Alexandria, Virginia                            ::: ===
(703) 739-7316                                  ::   ==
lynnes@seismo.CSS.GOV                           :     =