| 1 | /*********************************************************** |
| 2 | |
| 3 | Copyright 1987, 1988, 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 | |
| 26 | Copyright 1987, 1988 by Digital Equipment Corporation, Maynard, Massachusetts. |
| 27 | |
| 28 | All Rights Reserved |
| 29 | |
| 30 | Permission to use, copy, modify, and distribute this software and its |
| 31 | documentation for any purpose and without fee is hereby granted, |
| 32 | provided that the above copyright notice appear in all copies and that |
| 33 | both that copyright notice and this permission notice appear in |
| 34 | supporting documentation, and that the name of Digital not be |
| 35 | used in advertising or publicity pertaining to distribution of the |
| 36 | software without specific, written prior permission. |
| 37 | |
| 38 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
| 39 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
| 40 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
| 41 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
| 42 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
| 43 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
| 44 | SOFTWARE. |
| 45 | |
| 46 | ******************************************************************/ |
| 47 | |
| 48 | /**************************************************************** |
| 49 | * |
| 50 | * Callbacks |
| 51 | * |
| 52 | ****************************************************************/ |
| 53 | |
| 54 | typedef XrmResource **CallbackTable; |
| 55 | |
| 56 | #define _XtCBCalling 1 |
| 57 | #define _XtCBFreeAfterCalling 2 |
| 58 | |
| 59 | _XFUNCPROTOBEGIN |
| 60 | |
| 61 | typedef struct internalCallbackRec { |
| 62 | unsigned short count; |
| 63 | char is_padded; /* contains NULL padding for external form */ |
| 64 | char call_state; /* combination of _XtCB{FreeAfter}Calling */ |
| 65 | #if __STDC_VERSION__ >= 199901L |
| 66 | /* When compiling with C99 or newer, use a flexible member to ensure |
| 67 | * padding and alignment for sizeof(). */ |
| 68 | XtCallbackRec callbacks[]; |
| 69 | #elif defined(LONG64) |
| 70 | unsigned int align_pad; /* padding to align callback list */ |
| 71 | #endif |
| 72 | /* XtCallbackList */ |
| 73 | } InternalCallbackRec, *InternalCallbackList; |
| 74 | |
| 75 | typedef Boolean (*_XtConditionProc)( |
| 76 | XtPointer /* data */ |
| 77 | ); |
| 78 | |
| 79 | extern void _XtAddCallback( |
| 80 | InternalCallbackList* /* callbacks */, |
| 81 | XtCallbackProc /* callback */, |
| 82 | XtPointer /* closure */ |
| 83 | ); |
| 84 | |
| 85 | extern void _XtAddCallbackOnce( |
| 86 | InternalCallbackList* /* callbacks */, |
| 87 | XtCallbackProc /* callback */, |
| 88 | XtPointer /* closure */ |
| 89 | ); |
| 90 | |
| 91 | extern InternalCallbackList _XtCompileCallbackList( |
| 92 | XtCallbackList /* xtcallbacks */ |
| 93 | ); |
| 94 | |
| 95 | extern XtCallbackList _XtGetCallbackList( |
| 96 | InternalCallbackList* /* callbacks */ |
| 97 | ); |
| 98 | |
| 99 | extern void _XtRemoveAllCallbacks( |
| 100 | InternalCallbackList* /* callbacks */ |
| 101 | ); |
| 102 | |
| 103 | extern void _XtRemoveCallback( |
| 104 | InternalCallbackList* /* callbacks */, |
| 105 | XtCallbackProc /* callback */, |
| 106 | XtPointer /* closure */ |
| 107 | ); |
| 108 | |
| 109 | extern void _XtPeekCallback( |
| 110 | Widget /* widget */, |
| 111 | XtCallbackList /* callbacks */, |
| 112 | XtCallbackProc * /* callback */, |
| 113 | XtPointer * /* closure */ |
| 114 | ); |
| 115 | |
| 116 | extern void _XtCallConditionalCallbackList( |
| 117 | Widget /* widget */, |
| 118 | XtCallbackList /* callbacks */, |
| 119 | XtPointer /* call_data */, |
| 120 | _XtConditionProc /* cond_proc */ |
| 121 | ); |
| 122 | |
| 123 | _XFUNCPROTOEND |