7ab
#include <Xm/Xm.h>
#include <Xm/Form.h>
#include <Xm/Text.h>
#include <Xm/PushB.h>
#include <stdlib.h>
#include <string.h>


void ButtonCB(Widget w, XtPointer client_data,
	XmPushButtonCallbackStruct *cbs)
{
    printf("Don't push me!\n");
}


int main(int argc, char **argv)
{
    Widget top, form, text, button;
    XtAppContext app;
    Arg args[20];
    int n;
    char mbs[256];
    wchar_t *wcs;
    int len;

    XtSetLanguageProc(NULL, NULL, NULL);

    top = XtVaAppInitialize(&app, "UtfTest", NULL, 0,
	    &argc, argv, NULL, NULL);
    
    form = XtVaCreateManagedWidget("form",
	    xmFormWidgetClass, top,
	    XmNmarginWidth, 2,
	    XmNmarginHeight, 2,
	    NULL);
    
    button = XtVaCreateManagedWidget("button",
	    xmPushButtonWidgetClass, form,
	    XmNleftAttachment, XmATTACH_FORM,
	    XmNleftOffset, 20,
	    XmNbottomAttachment, XmATTACH_FORM,
	    XmNbottomOffset, 8,
	    NULL);
    
    n = 0;
    XtSetArg(args[n], XmNwidth, 640); n++;
    XtSetArg(args[n], XmNheight, 480); n++;
    XtSetArg(args[n], XmNeditMode, XmMULTI_LINE_EDIT); n++;
    XtSetArg(args[n], XmNwordWrap, True); n++;
    XtSetArg(args[n], XmNtopAttachment, XmATTACH_FORM); n++;
    XtSetArg(args[n], XmNleftAttachment, XmATTACH_FORM); n++;
    XtSetArg(args[n], XmNrightAttachment, XmATTACH_FORM); n++;
    XtSetArg(args[n], XmNbottomAttachment, XmATTACH_WIDGET); n++;
    XtSetArg(args[n], XmNbottomWidget, button); n++;
    XtSetArg(args[n], XmNbottomOffset, 10); n++;
    text = XmCreateScrolledText(form, "text", args, n);
    XtManageChild(text);

    XtAddCallback(button, XmNactivateCallback,
	    (XtCallbackProc)ButtonCB, (XtPointer)text);

    XtRealizeWidget(top);

    strcpy(mbs, "Lågőþ");
    len = mbstowcs(NULL, mbs, 0) + 1;
    wcs = (wchar_t*)malloc(len * sizeof(wchar_t));
    mbstowcs(wcs, mbs, len);
    XmTextInsertWcs(text, 0, wcs);

    XtAppMainLoop(app);
}
.

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