| 1 | /***********************************************************
|
|---|
| 2 |
|
|---|
| 3 | Copyright 1987, 1998 The Open Group
|
|---|
| 4 |
|
|---|
| 5 | Permission to use, copy, modify, distribute, and sell this software and its
|
|---|
| 6 | documentation for any purpose is hereby granted without fee, provided that
|
|---|
| 7 | the above copyright notice appear in all copies and that both that
|
|---|
| 8 | copyright notice and this permission notice appear in supporting
|
|---|
| 9 | documentation.
|
|---|
| 10 |
|
|---|
| 11 | The above copyright notice and this permission notice shall be included in
|
|---|
| 12 | all copies or substantial portions of the Software.
|
|---|
| 13 |
|
|---|
| 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|---|
| 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|---|
| 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|---|
| 17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
|
|---|
| 18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|---|
| 19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|---|
| 20 |
|
|---|
| 21 | Except as contained in this notice, the name of The Open Group shall not be
|
|---|
| 22 | used in advertising or otherwise to promote the sale, use or other dealings
|
|---|
| 23 | in this Software without prior written authorization from The Open Group.
|
|---|
| 24 |
|
|---|
| 25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
|
|---|
| 26 |
|
|---|
| 27 | All Rights Reserved
|
|---|
| 28 |
|
|---|
| 29 | Permission to use, copy, modify, and distribute this software and its
|
|---|
| 30 | documentation for any purpose and without fee is hereby granted,
|
|---|
| 31 | provided that the above copyright notice appear in all copies and that
|
|---|
| 32 | both that copyright notice and this permission notice appear in
|
|---|
| 33 | supporting documentation, and that the name of Digital not be
|
|---|
| 34 | used in advertising or publicity pertaining to distribution of the
|
|---|
| 35 | software without specific, written prior permission.
|
|---|
| 36 |
|
|---|
| 37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
|
|---|
| 38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
|
|---|
| 39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
|
|---|
| 40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
|---|
| 41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
|
|---|
| 42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|---|
| 43 | SOFTWARE.
|
|---|
| 44 |
|
|---|
| 45 | ******************************************************************/
|
|---|
| 46 |
|
|---|
| 47 | #ifndef CALLBACK_H
|
|---|
| 48 | #define CALLBACK_H
|
|---|
| 49 |
|
|---|
| 50 | #include <X11/X.h> /* for GContext, Mask */
|
|---|
| 51 | #include <X11/Xdefs.h> /* for Bool */
|
|---|
| 52 | #include <X11/Xproto.h>
|
|---|
| 53 | #include <X11/Xfuncproto.h>
|
|---|
| 54 |
|
|---|
| 55 | /*
|
|---|
| 56 | * callback manager stuff
|
|---|
| 57 | */
|
|---|
| 58 |
|
|---|
| 59 | #ifndef _XTYPEDEF_CALLBACKLISTPTR
|
|---|
| 60 | typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */
|
|---|
| 61 |
|
|---|
| 62 | #define _XTYPEDEF_CALLBACKLISTPTR
|
|---|
| 63 | #endif
|
|---|
| 64 |
|
|---|
| 65 | typedef void (*CallbackProcPtr) (CallbackListPtr *, void *, void *);
|
|---|
| 66 |
|
|---|
| 67 | extern _X_EXPORT Bool AddCallback(CallbackListPtr *pcbl,
|
|---|
| 68 | CallbackProcPtr callback,
|
|---|
| 69 | void *data);
|
|---|
| 70 |
|
|---|
| 71 | extern _X_EXPORT Bool DeleteCallback(CallbackListPtr *pcbl,
|
|---|
| 72 | CallbackProcPtr callback,
|
|---|
| 73 | void *data);
|
|---|
| 74 |
|
|---|
| 75 | extern _X_EXPORT void _CallCallbacks(CallbackListPtr *pcbl,
|
|---|
| 76 | void *call_data);
|
|---|
| 77 |
|
|---|
| 78 | static inline void
|
|---|
| 79 | CallCallbacks(CallbackListPtr *pcbl, void *call_data)
|
|---|
| 80 | {
|
|---|
| 81 | if (!pcbl || !*pcbl)
|
|---|
| 82 | return;
|
|---|
| 83 | _CallCallbacks(pcbl, call_data);
|
|---|
| 84 | }
|
|---|
| 85 |
|
|---|
| 86 | extern _X_EXPORT void DeleteCallbackList(CallbackListPtr *pcbl);
|
|---|
| 87 |
|
|---|
| 88 | extern _X_EXPORT void InitCallbackManager(void);
|
|---|
| 89 | extern _X_EXPORT void DeleteCallbackManager(void);
|
|---|
| 90 |
|
|---|
| 91 | #endif /* CALLBACK_H */
|
|---|
