88 lines
3.1 KiB
C
88 lines
3.1 KiB
C
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/***********************************************************
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Copyright 1987, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the name of Digital not be
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used in advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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SOFTWARE.
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******************************************************************/
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#ifndef CALLBACK_H
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#define CALLBACK_H
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#include <X11/X.h> /* for GContext, Mask */
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#include <X11/Xdefs.h> /* for Bool */
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#include <X11/Xproto.h>
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#include <X11/Xfuncproto.h>
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/*
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* callback manager stuff
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*/
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#ifndef _XTYPEDEF_CALLBACKLISTPTR
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typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */
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#define _XTYPEDEF_CALLBACKLISTPTR
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#endif
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typedef void (*CallbackProcPtr) (
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CallbackListPtr *, pointer, pointer);
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extern _X_EXPORT Bool AddCallback(
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CallbackListPtr * /*pcbl*/,
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CallbackProcPtr /*callback*/,
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pointer /*data*/);
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extern _X_EXPORT Bool DeleteCallback(
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CallbackListPtr * /*pcbl*/,
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CallbackProcPtr /*callback*/,
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pointer /*data*/);
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extern _X_EXPORT void CallCallbacks(
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CallbackListPtr * /*pcbl*/,
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pointer /*call_data*/);
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extern _X_EXPORT void DeleteCallbackList(
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CallbackListPtr * /*pcbl*/);
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extern _X_EXPORT void InitCallbackManager(void);
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#endif /* CALLBACK_H */
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