/* * Motif * * Copyright (c) 1987-2012, The Open Group. All rights reserved. * * These libraries and programs are free software; you can * redistribute them and/or modify them under the terms of the GNU * Lesser General Public License as published by the Free Software * Foundation; either version 2 of the License, or (at your option) * any later version. * * These libraries and programs are distributed in the hope that * they will be useful, but WITHOUT ANY WARRANTY; without even the * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU Lesser General Public License for more * details. * * You should have received a copy of the GNU Lesser General Public * License along with these librararies and programs; if not, write * to the Free Software Foundation, Inc., 51 Franklin Street, Fifth * Floor, Boston, MA 02110-1301 USA */ /* * HISTORY */ /* $XConsortium: CallbackI.h /main/8 1995/07/14 10:13:23 drk $ */ /* (c) Copyright 1989, 1990 DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS. */ /* (c) Copyright 1987, 1988, 1989, 1990, 1991, 1992 HEWLETT-PACKARD COMPANY */ /* (c) Copyright 1988 MASSACHUSETTS INSTITUTE OF TECHNOLOGY */ /* (c) Copyright 1988 MICROSOFT CORPORATION */ #ifndef _XmCallbackI_h #define _XmCallbackI_h #include "XmI.h" #ifdef __cplusplus extern "C" { #endif #define _XtCBCalling 1 #define _XtCBFreeAfterCalling 2 /* The internal callback list is a little header followed by an array of * XtCallbackRec structs. Declaring the first element of the array with * the header allows the compiler to take care of any alignment required. */ typedef struct internalCallbackRec { unsigned short count; char is_padded; /* contains NULL padding for external form */ char call_state; /* combination of _XtCB{FreeAfter}Calling */ XtCallbackRec callbacks; /* first XtCallback record declared here */ } InternalCallbackRec, *InternalCallbackList; /******** Private Function Declarations ********/ extern void _XmAddCallback(InternalCallbackList *callbacks, XtCallbackProc callback, XtPointer closure); extern void _XmRemoveCallback(InternalCallbackList *callbacks, XtCallbackProc callback, XtPointer closure); extern void _XmCallCallbackList(Widget widget, XtCallbackList callbacks, XtPointer call_data); extern void _XmRemoveAllCallbacks(InternalCallbackList *callbacks); /******** End Private Function Declarations ********/ #ifdef __cplusplus } /* Close scope of 'extern "C"' declaration which encloses file. */ #endif #endif /* _XmCallbackI_h */ /* DON'T ADD STUFF AFTER THIS #endif */