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/**
*
* $Id: ExtObjectP.h,v 1.4 2001/04/02 19:14:23 amai Exp $
*
* Copyright (C) 1995 Free Software Foundation, Inc.
* Copyright (C) 1995-2000 LessTif Development Team
*
* This file is part of the GNU LessTif Library.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
**/
#ifndef _XM_EXTOBJECTP_H
#define _XM_EXTOBJECTP_H
#include <Xm/XmP.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
XmCACHE_EXTENSION = 1,
XmDESKTOP_EXTENSION,
XmSHELL_EXTENSION,
XmPROTOCOL_EXTENSION,
XmDEFAULT_EXTENSION
};
#ifndef XmIsExtObject
#define XmIsExtObject(w) XtIsSubclass(w, xmExtObjectClass)
#endif
/*
* Class record constants
*/
typedef struct _XmExtRec *XmExtObject;
typedef struct _XmExtClassRec *XmExtObjectClass;
extern WidgetClass xmExtObjectClass;
#define XmNUM_ELEMENTS 4
/*
* As suggested by <gatgul@voicenet.com>, define this so that the structure
* XmExtCache has a size which is a multiple of the size of a pointer.
* Use a simpler definition than what he suggested though.
*/
#define XmNUM_BYTES (25 * sizeof(void *) - sizeof(Boolean))
/*
* Class Extension definitions
*/
typedef struct _XmExtClassPart {
XmSyntheticResource *syn_resources;
int num_syn_resources;
#ifdef MOTIF_DOES_THIS_SO_WE_WILL_TOO
XtResourceList ext_resources;
XtResourceList compiled_ext_resources;
Cardinal num_ext_resources;
Boolean use_sub_resources;
#endif /* notdef */
XtPointer extension;
} XmExtClassPart, *XmExtClassPartPtr;
typedef struct _XmExtClassRec {
ObjectClassPart object_class;
XmExtClassPart ext_class;
} XmExtClassRec;
typedef struct {
Widget logicalParent;
unsigned char extensionType;
} XmExtPart, *XmExtPartPtr;
extern XmExtClassRec xmExtClassRec;
typedef struct _XmExtRec {
ObjectPart object;
XmExtPart ext;
} XmExtRec;
typedef struct _XmExtCache {
char data[XmNUM_BYTES];
Boolean inuse;
} XmExtCache;
extern char *_XmExtObjAlloc(Cardinal size);
extern void _XmExtObjFree(XtPointer element);
extern void _XmBuildExtResources(WidgetClass c);
#ifdef __cplusplus
}
#endif
#endif /* _XM_EXTOBJECTP_H */
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