#if ( !defined(lint) && !defined(SABER) )

static char Xrcsid[] = "$XConsortium: Sme.c,v 1.6 89/12/11 15:20:07 kit Exp $";

#endif 

/*

 * Copyright 1989 Massachusetts Institute of Technology

 *

 * Permission to use, copy, modify, distribute, and sell this software and its

 * documentation for any purpose is hereby granted without fee, provided that

 * the above copyright notice appear in all copies and that both that

 * copyright notice and this permission notice appear in supporting

 * documentation, and that the name of M.I.T. not be used in advertising or

 * publicity pertaining to distribution of the software without specific,

 * written prior permission.  M.I.T. makes no representations about the

 * suitability of this software for any purpose.  It is provided "as is"

 * without express or implied warranty.

 *

 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.

 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION

 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 

 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

 */

/*

 * Sme.c - Source code for the generic menu entry

 *

 * Date:    September 26, 1989

 *

 * By:      Chris D. Peterson

 *          MIT X Consortium 

 *          [email protected]

 */

#include <stdio.h>

#include <X11/IntrinsicP.h>

#include <X11/StringDefs.h>

#include <./Xaw3_1XawInit.h>

#include <./Xaw3_1SmeP.h>

#include <./Xaw3_1Cardinals.h>

#define offset(field) XtOffset(SmeObject, sme.field)

static XtResource resources[] = {

  {XtNcallback, XtCCallback, XtRCallback, sizeof(caddr_t),

     offset(callbacks), XtRCallback, (caddr_t)NULL},

};   

#undef offset

/*

 * Semi Public function definitions. 

 */

static void Unhighlight(), Highlight(), Notify(), ClassPartInitialize();

static void Initialize();

static XtGeometryResult QueryGeometry();

#define SUPERCLASS (&rectObjClassRec)

SmeClassRec smeClassRec = {

  {

    /* superclass         */    (WidgetClass) SUPERCLASS,

    /* class_name         */    "Sme",

    /* size               */    sizeof(SmeRec),

    /* class_initialize   */	XawInitializeWidgetSet,

    /* class_part_initialize*/	ClassPartInitialize,

    /* Class init'ed      */	FALSE,

    /* initialize         */    Initialize,

    /* initialize_hook    */	NULL,

    /* realize            */    NULL,

    /* actions            */    NULL,

    /* num_actions        */    ZERO,

    /* resources          */    resources,

    /* resource_count     */	XtNumber(resources),

    /* xrm_class          */    NULLQUARK,

    /* compress_motion    */    FALSE, 

    /* compress_exposure  */    FALSE,

    /* compress_enterleave*/ 	FALSE,

    /* visible_interest   */    FALSE,

    /* destroy            */    NULL,

    /* resize             */    NULL,

    /* expose             */    NULL,

    /* set_values         */    NULL,

    /* set_values_hook    */	NULL,

    /* set_values_almost  */	XtInheritSetValuesAlmost,  

    /* get_values_hook    */	NULL,			

    /* accept_focus       */    NULL,

    /* intrinsics version */	XtVersion,

    /* callback offsets   */    NULL,

    /* tm_table		  */    NULL,

    /* query_geometry	  */    QueryGeometry,

    /* display_accelerator*/    NULL,

    /* extension	  */    NULL

  },{

    /* Simple Menu Entry Fields */

    /* highlight */             Highlight,

    /* unhighlight */           Unhighlight,

    /* notify */		Notify,		

    /* extension */             NULL				

  }

};

WidgetClass smeObjectClass = (WidgetClass) &smeClassRec;

/************************************************************

 *

 * Semi-Public Functions.

 *

 ************************************************************/

/*	Function Name: ClassPartInitialize

 *	Description: handles inheritance of class functions.

 *	Arguments: class - the widget classs of this widget.

 *	Returns: none.

 */

static void

ClassPartInitialize(class)

WidgetClass class;

{

    SmeObjectClass m_ent, superC;

    m_ent = (SmeObjectClass) class;

    superC = (SmeObjectClass) m_ent->rect_class.superclass;

/* 

 * We don't need to check for null super since we'll get to TextSink

 * eventually.

 */

    if (m_ent->sme_class.highlight == XtInheritHighlight) 

	m_ent->sme_class.highlight = superC->sme_class.highlight;

    if (m_ent->sme_class.unhighlight == XtInheritUnhighlight)

	m_ent->sme_class.unhighlight = superC->sme_class.unhighlight;

    if (m_ent->sme_class.notify == XtInheritNotify) 

	m_ent->sme_class.notify = superC->sme_class.notify;

}

/*      Function Name: Initialize

 *      Description: Initializes the simple menu widget

 *      Arguments: request - the widget requested by the argument list.

 *                 new     - the new widget with both resource and non

 *                           resource values.

 *      Returns: none.

 * 

 * MENU ENTRIES CANNOT HAVE BORDERS.

 */

/* ARGSUSED */

static void

Initialize(request, new)

Widget request, new;

{

    SmeObject entry = (SmeObject) new;

    entry->rectangle.border_width = 0;

}

/*	Function Name: Highlight

 *	Description: The default highlight proceedure for menu entries.

 *	Arguments: w - the menu entry.

 *	Returns: none.

 */

/* ARGSUSED */

static void

Highlight(w)

Widget w;

{

/* This space intentionally left blank. */

}

/*	Function Name: Unhighlight

 *	Description: The default unhighlight proceedure for menu entries.

 *	Arguments: w - the menu entry.

 *	Returns: none.

 */

/* ARGSUSED */

static void

Unhighlight(w)

Widget w;

{

/* This space intentionally left blank. */

}

/*	Function Name: Notify

 *	Description: calls the callback proceedures for this entry.

 *	Arguments: w - the menu entry.

 *	Returns: none.

 */

static void

Notify(w) 

Widget w;

{

    XtCallCallbacks(w, XtNcallback, NULL);

}

/*	Function Name: QueryGeometry.

 *	Description: Returns the preferred geometry for this widget.

 *	Arguments: w - the menu entry object.

 *                 itended, return - the intended and return geometry info.

 *	Returns: A Geometry Result.

 *

 * See the Intrinsics manual for details on what this function is for.

 * 

 * I just return the height and a width of 1.

 */

static XtGeometryResult

QueryGeometry(w, intended, return_val) 

Widget w;

XtWidgetGeometry *intended, *return_val;

{

    SmeObject entry = (SmeObject) w;

    Dimension width;

    XtGeometryResult ret_val = XtGeometryYes;

    XtGeometryMask mode = intended->request_mode;

    width = 1;			/* we can be really small. */

    if ( ((mode & CWWidth) && (intended->width != width)) ||

	 !(mode & CWWidth) ) {

	return_val->request_mode |= CWWidth;

	return_val->width = width;

	mode = return_val->request_mode;

	if ( (mode & CWWidth) && (width == entry->rectangle.width) )

	    return(XtGeometryNo);

	return(XtGeometryAlmost);

    }

    return(ret_val);

}