109 lines
2.8 KiB
C
109 lines
2.8 KiB
C
/**
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*
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* $Id: ExtObjectP.h,v 1.1 2004/08/28 19:23:25 dannybackx Exp $
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*
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* Copyright (C) 1995 Free Software Foundation, Inc.
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* Copyright (C) 1995-2000 LessTif Development Team
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*
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* This file is part of the GNU LessTif Library.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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**/
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#ifndef _XM_EXTOBJECTP_H
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#define _XM_EXTOBJECTP_H
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#include <Xm/XmP.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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XmCACHE_EXTENSION = 1,
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XmDESKTOP_EXTENSION,
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XmSHELL_EXTENSION,
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XmPROTOCOL_EXTENSION,
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XmDEFAULT_EXTENSION
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};
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#ifndef XmIsExtObject
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#define XmIsExtObject(w) XtIsSubclass(w, xmExtObjectClass)
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#endif
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/*
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* Class record constants
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*/
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typedef struct _XmExtRec *XmExtObject;
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typedef struct _XmExtClassRec *XmExtObjectClass;
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XMLIBEXPORT extern WidgetClass xmExtObjectClass;
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#define XmNUM_ELEMENTS 4
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/*
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* As suggested by <gatgul@voicenet.com>, define this so that the structure
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* XmExtCache has a size which is a multiple of the size of a pointer.
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* Use a simpler definition than what he suggested though.
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*/
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#define XmNUM_BYTES (25 * sizeof(void *) - sizeof(Boolean))
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/*
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* Class Extension definitions
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*/
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typedef struct _XmExtClassPart {
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XmSyntheticResource *syn_resources;
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int num_syn_resources;
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#ifdef MOTIF_DOES_THIS_SO_WE_WILL_TOO
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XtResourceList ext_resources;
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XtResourceList compiled_ext_resources;
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Cardinal num_ext_resources;
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Boolean use_sub_resources;
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#endif /* notdef */
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XtPointer extension;
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} XmExtClassPart, *XmExtClassPartPtr;
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typedef struct _XmExtClassRec {
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ObjectClassPart object_class;
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XmExtClassPart ext_class;
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} XmExtClassRec;
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typedef struct {
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Widget logicalParent;
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unsigned char extensionType;
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} XmExtPart, *XmExtPartPtr;
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XMLIBEXPORT extern XmExtClassRec xmExtClassRec;
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typedef struct _XmExtRec {
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ObjectPart object;
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XmExtPart ext;
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} XmExtRec;
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typedef struct _XmExtCache {
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char data[XmNUM_BYTES];
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Boolean inuse;
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} XmExtCache;
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XMLIBEXPORT extern char *_XmExtObjAlloc(Cardinal size);
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XMLIBEXPORT extern void _XmExtObjFree(XtPointer element);
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XMLIBEXPORT extern void _XmBuildExtResources(WidgetClass c);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _XM_EXTOBJECTP_H */
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