/*
Copyright (c) 2005 X.Org Foundation L.L.C.

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
/*
* $Header: /usr4/cvs/vsw5/src/libXtaw/Sme.c,v 8.0 1998/12/23 23:25:56 mar Rel $
*
* Copyright (c) Applied Testing and Technology, Inc. 1993, 1994, 1995
* All Rights Reserved.
*
* Project: VSW5
*
* File: vsw5/src/lib/libXtaw/Sme.c
*
* Description:
*	Subset of libXaw need for VSW5.  Use if implementation does not
*	support Athena.
*
* Modifications:
* $Log: Sme.c,v $
* Revision 8.0  1998/12/23 23:25:56  mar
* Branch point for Release 5.0.2
*
* Revision 7.0  1998/10/30 22:44:10  mar
* Branch point for Release 5.0.2b1
*
* Revision 6.0  1998/03/02 05:18:14  tbr
* Branch point for Release 5.0.1
*
* Revision 5.0  1998/01/26 03:14:46  tbr
* Branch point for Release 5.0.1b1
*
* Revision 4.0  1995/12/15 08:46:09  tbr
* Branch point for Release 5.0.0
*
* Revision 3.1  1995/12/15  00:44:12  andy
* Prepare for GA Release
*
*/
/*
 * 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 
 *          kit@expo.lcs.mit.edu
 */

#include <stdio.h>
#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>

#include <X11/Xaw/XawInit.h>
#include <X11/Xaw/SmeP.h>
#include <X11/Xaw/Cardinals.h>

#define offset(field) XtOffsetOf(SmeRec, sme.field)
static XtResource resources[] = {
  {XtNcallback, XtCCallback, XtRCallback, sizeof(XtPointer),
     offset(callbacks), XtRCallback, (XtPointer)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);
}
