Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!wuarchive!husc6!paperboy!osf.org!daniel
From: daniel@osf.org (Daniel Dardailler)
Newsgroups: comp.windows.x.motif
Subject: Re: Need Examples of Drawing Area Widget
Keywords: x motif widget drawing area
Message-ID: <12583@paperboy.OSF.ORG>
Date: 28 Aug 90 14:06:38 GMT
References: <11676@chaph.usc.edu>
Sender: news@OSF.ORG
Reply-To: daniel@osf.org (Daniel Dardailler)
Organization: Open Software Foundation
Lines: 44

Hi Daniel, this is a DrawingArea template:

#include <stdio.h>
#include <Xm/Xm.h>
#include <Xm/DrawingA.h>

static XtCallbackProc generic_callback(widget, tag, dacb)
Widget widget ;
XtPointer tag ;
XmDrawingAreaCallbackStruct * dacb ;
{
    switch (dacb->reason) {
    case XmCR_EXPOSE : printf("expose\n"); break ;
    case XmCR_INPUT :  printf("input\n"); break ;
    case XmCR_RESIZE : printf("resize\n"); break ;
    }
}

main(argc, argv) int argc; char **argv ;
{
    Widget      toplevel, draw ; 
    XtAppContext app_con;

    toplevel = XtAppInitialize(&app_con, "DrawTest", NULL, 0,
			       &argc, argv, NULL, NULL, 0);

    draw = XmCreateDrawingArea(toplevel, "draw", NULL, 0);
    XtManageChild(draw);

    XtAddCallback(draw,XmNexposeCallback,generic_callback,NULL);
    XtAddCallback(draw,XmNinputCallback, generic_callback,NULL);
    XtAddCallback(draw,XmNresizeCallback,generic_callback,NULL);

    XtRealizeWidget(toplevel);
    XtAppMainLoop(app_con);
}


        Daniel Dardailler          |          OSF/Motif Team  
     Open Software Foundation      |      Email : daniel@osf.org           
       11 Cambridge Center         |      Phone : (617) 621 8840    
       CAMBRIDGE, MA 02142         |      Fax   : (617) 621 0584
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