/*
© 2000 Compaq Computer Corporation

COMPAQ Registered in U.S. Patent and Trademark Office.

Confidential computer software.  Valid license from Compaq required for
possession, use or copying.  Consistent with FAR 12.211 and 12.212, Commercial
Computer Software, Computer Software Documentation, and Technical Data for
Commercial Items are licensed to the U.S. Government under vendor's standard
commercial license.
*/
/* 
 * (c) Copyright 1989, 1990, 1991, 1992 OPEN SOFTWARE FOUNDATION, INC. 
 * ALL RIGHTS RESERVED 
*/ 
/* 
 * Motif Release 1.2
*/ 
#ifdef REV_INFO
#ifndef lint
static char rcsid[] = "$RCSfile: hellomotif.c,v $ $Revision: 1.8 $ $Date: 92/03/13 15:36:41 $"
#endif
#endif
#include <stdio.h>


#include <Xm/Xm.h>          /* Motif Toolkit */
#include <Mrm/MrmPublic.h>   /* Mrm */

static MrmHierarchy	s_MrmHierarchy;		/* MRM database hierarch id */
static char		*vec[]={"hellomotif.uid"};
						/* MRM database file list   */
static MrmCode		class ;

static void helloworld_button_activate();

static MrmCount		regnum = 1 ;
static MrmRegisterArg	regvec[] = {
	{"helloworld_button_activate",(XtPointer)helloworld_button_activate}
	};

Display  	*display;
XtAppContext  	app_context;

/*
 *  Main program
 */
int main(argc, argv)
     int    argc;
     String argv[];
{
     /*
     *  Declare the variables to contain the two widget ids
     */
    Widget toplevel, helloworldmain;
    Arg arglist[1] ;
    int n;

    /*
     *  Initialize the MRM
     */


    MrmInitialize ();

    XtToolkitInitialize();

    app_context = XtCreateApplicationContext();

    display = XtOpenDisplay(app_context, NULL, argv[0], "helloworldclass",
                            NULL, 0, &argc, argv);
    if (display == NULL) {
        fprintf(stderr, "%s:  Can't open display\n", argv[0]);
        exit(1);
    }

    n = 0;
    XtSetArg(arglist[n], XmNallowShellResize, True);  n++;
    toplevel = XtAppCreateShell(argv[0], NULL, applicationShellWidgetClass,
                              display, arglist, n);

    /*
     *  Define the Mrm.hierarchy (only 1 file)
     */

    if (MrmOpenHierarchy (1,			    /* number of files	    */
			vec, 			    /* files     	    */
			NULL,			    /* os_ext_list (null)   */
			&s_MrmHierarchy)	    /* ptr to returned id   */
			!= MrmSUCCESS) {
	printf ("can't open hierarchy\n");
     }

    /*
     * 	Register our callback routines so that the resource manager can 
     * 	resolve them at widget-creation time.
     */

    if (MrmRegisterNames (regvec, regnum)
			!= MrmSUCCESS)
			    printf("can't register names\n");

    /*
     *  Call MRM to fetch and create the pushbutton and its container
     */

    if (MrmFetchWidget (s_MrmHierarchy,
			"helloworld_main",
			toplevel,
			&helloworldmain,
			&class)
			!= MrmSUCCESS)
			    printf("can't fetch interface\n");

    /*
     *  Make the toplevel widget "manage" the main window (or whatever the
     *  the uil defines as the topmost widget).  This will
     *  cause it to be "realized" when the toplevel widget is "realized"
     */

    XtManageChild(helloworldmain);
    
    /*
     *  Realize the toplevel widget.  This will cause the entire "managed"
     *  widget hierarchy to be displayed
     */

    XtRealizeWidget(toplevel);

    /*
     *  Loop and process events
     */

    XtAppMainLoop(app_context);

    /* UNREACHABLE */
    return (0);
}

static void helloworld_button_activate( widget, tag, callback_data )
	Widget	widget;
	char    *tag;
	XmAnyCallbackStruct *callback_data;
{
    Arg arglist[2];

    static int call_count = 0;


    call_count += 1 ;
    switch ( call_count )
        {
        case 1:
            XtSetArg( arglist[0], XmNlabelString,
                XmStringLtoRCreate("Goodbye\nWorld!",""));
            XtSetArg( arglist[1], XmNx, 11 );  
            XtSetValues( widget, arglist, 2 );
            break ;
        case 2:
            exit(1);
            break ;
        }
}