91 lines
3.5 KiB
C
91 lines
3.5 KiB
C
/***********************************************************
|
|
|
|
Copyright 1987, 1998 The Open Group
|
|
|
|
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.
|
|
|
|
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
|
|
OPEN GROUP 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.
|
|
|
|
Except as contained in this notice, the name of The Open Group shall not be
|
|
used in advertising or otherwise to promote the sale, use or other dealings
|
|
in this Software without prior written authorization from The Open Group.
|
|
|
|
Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
|
|
|
|
All Rights Reserved
|
|
|
|
Permission to use, copy, modify, and distribute this software and its
|
|
documentation for any purpose and without fee is hereby granted,
|
|
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 Digital not be
|
|
used in advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
|
|
DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|
DIGITAL 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.
|
|
|
|
******************************************************************/
|
|
|
|
#ifndef CALLBACK_H
|
|
#define CALLBACK_H
|
|
|
|
#include <X11/X.h> /* for GContext, Mask */
|
|
#include <X11/Xdefs.h> /* for Bool */
|
|
#include <X11/Xproto.h>
|
|
#include <X11/Xfuncproto.h>
|
|
|
|
/*
|
|
* callback manager stuff
|
|
*/
|
|
|
|
#ifndef _XTYPEDEF_CALLBACKLISTPTR
|
|
typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */
|
|
|
|
#define _XTYPEDEF_CALLBACKLISTPTR
|
|
#endif
|
|
|
|
typedef void (*CallbackProcPtr) (CallbackListPtr *, pointer, pointer);
|
|
|
|
extern _X_EXPORT Bool AddCallback(CallbackListPtr * /*pcbl */ ,
|
|
CallbackProcPtr /*callback */ ,
|
|
pointer /*data */ );
|
|
|
|
extern _X_EXPORT Bool DeleteCallback(CallbackListPtr * /*pcbl */ ,
|
|
CallbackProcPtr /*callback */ ,
|
|
pointer /*data */ );
|
|
|
|
extern _X_EXPORT void _CallCallbacks(CallbackListPtr * /*pcbl */ ,
|
|
pointer /*call_data */ );
|
|
|
|
static inline void
|
|
CallCallbacks(CallbackListPtr *pcbl, pointer call_data)
|
|
{
|
|
if (!pcbl || !*pcbl)
|
|
return;
|
|
_CallCallbacks(pcbl, call_data);
|
|
}
|
|
|
|
extern _X_EXPORT void DeleteCallbackList(CallbackListPtr * /*pcbl */ );
|
|
|
|
extern _X_EXPORT void InitCallbackManager(void);
|
|
|
|
#endif /* CALLBACK_H */
|