summaryrefslogtreecommitdiff
path: root/include/X11/TranslateI.h
blob: 6cc3099cf68221ed2077b5e7e60a99c057cff150 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
/* $Xorg: TranslateI.h,v 1.4 2001/02/09 02:03:59 xorgcvs Exp $ */

/***********************************************************

Copyright 1987, 1988, 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, 1988 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.

******************************************************************/
/* $XFree86: xc/lib/Xt/TranslateI.h,v 1.3 2001/12/14 19:56:32 dawes Exp $ */

/* 
 * TranslateI.h - Header file private to translation management
 * 
 * Author:	Gabe Beged-Dov, HP
 *
 * Former Author:	Charles Haynes
 * 		Digital Equipment Corporation
 * 		Western Research Laboratory
 * Date:	Sat Aug 29 1987
 */

/*#define REFCNT_TRANSLATIONS*/
#define CACHE_TRANSLATIONS

#define TM_NO_MATCH (-2)

#define _XtRStateTablePair "_XtStateTablePair"

typedef unsigned char TMByteCard;
typedef unsigned short TMShortCard;
typedef unsigned long TMLongCard;
typedef short TMShortInt;

typedef struct _TMTypeMatchRec *TMTypeMatch;
typedef struct _TMModifierMatchRec *TMModifierMatch;
typedef struct _TMEventRec *TMEventPtr;

typedef Boolean (*MatchProc)(TMTypeMatch typeMatch,
			     TMModifierMatch modMatch,
			     TMEventPtr eventSeq);

typedef struct _ModToKeysymTable {
    Modifiers mask;
    int count;
    int idx;
} ModToKeysymTable;

typedef struct _LateBindings {
    unsigned int knot:1;
    unsigned int pair:1;
    unsigned short ref_count;	/* garbage collection */
    KeySym keysym;
} LateBindings, *LateBindingsPtr;

typedef short ModifierMask;

typedef struct _ActionsRec *ActionPtr;
typedef struct _ActionsRec {
    int idx;			/* index into quarkTable to find proc */
    String *params;		/* pointer to array of params */
    Cardinal num_params;	/* number of params */
    ActionPtr next;		/* next action to perform */
} ActionRec;

typedef struct _XtStateRec *StatePtr;
typedef struct _XtStateRec {
    unsigned int	isCycleStart:1;
    unsigned int	isCycleEnd:1;
    TMShortCard		typeIndex;
    TMShortCard		modIndex;
    ActionPtr		actions;	/* rhs list of actions to perform */
    StatePtr 		nextLevel;
}StateRec;


#define XtTableReplace	0
#define XtTableAugment	1
#define XtTableOverride	2
#define XtTableUnmerge  3

typedef unsigned int _XtTranslateOp;

/*
 * New Definitions
 */
typedef struct _TMModifierMatchRec{
    TMLongCard	 modifiers;
    TMLongCard	 modifierMask;
    LateBindingsPtr lateModifiers;
    Boolean	 standard;
}TMModifierMatchRec;

typedef struct _TMTypeMatchRec{
    TMLongCard	 eventType;
    TMLongCard	 eventCode;
    TMLongCard	 eventCodeMask;
    MatchProc	 matchEvent;
}TMTypeMatchRec;

typedef struct _TMBranchHeadRec {
    unsigned int	isSimple:1;
    unsigned int	hasActions:1;
    unsigned int	hasCycles:1;
    unsigned int	more:13;
    TMShortCard		typeIndex;
    TMShortCard		modIndex;
}TMBranchHeadRec, *TMBranchHead;

/* NOTE: elements of this structure must match those of
 * TMComplexStateTreeRec and TMParseStateTreeRec.
 */
typedef struct _TMSimpleStateTreeRec{
    unsigned int	isSimple:1;
    unsigned int	isAccelerator:1;
    unsigned int	mappingNotifyInterest:1;
    unsigned int	refCount:13;
    TMShortCard		numBranchHeads;
    TMShortCard		numQuarks;   /* # of entries in quarkTbl */
    TMShortCard		unused;	     /* to ensure same alignment */
    TMBranchHeadRec	*branchHeadTbl;
    XrmQuark		*quarkTbl;  /* table of quarkified rhs*/
}TMSimpleStateTreeRec, *TMSimpleStateTree;

/* NOTE: elements of this structure must match those of
 * TMSimpleStateTreeRec and TMParseStateTreeRec.
 */
typedef struct _TMComplexStateTreeRec{
    unsigned int	isSimple:1;
    unsigned int	isAccelerator:1;
    unsigned int	mappingNotifyInterest:1;
    unsigned int	refCount:13;
    TMShortCard		numBranchHeads;
    TMShortCard		numQuarks;   /* # of entries in quarkTbl */
    TMShortCard		numComplexBranchHeads;
    TMBranchHeadRec	*branchHeadTbl;
    XrmQuark		*quarkTbl;  /* table of quarkified rhs*/
    StatePtr		*complexBranchHeadTbl;
}TMComplexStateTreeRec, *TMComplexStateTree;

/* NOTE: elements of this structure must match those of
 * TMSimpleStateTreeRec and TMComplexStateTreeRec.
 */
typedef struct _TMParseStateTreeRec{
    unsigned int	isSimple:1;
    unsigned int	isAccelerator:1;
    unsigned int	mappingNotifyInterest:1;
    unsigned int	isStackQuarks:1;
    unsigned int	isStackBranchHeads:1;
    unsigned int	isStackComplexBranchHeads:1;
    unsigned int	unused:10; /* to ensure correct alignment */
    TMShortCard		numBranchHeads;
    TMShortCard		numQuarks;   /* # of entries in quarkTbl */
    TMShortCard		numComplexBranchHeads;
    TMBranchHeadRec	*branchHeadTbl;
    XrmQuark		*quarkTbl;  /* table of quarkified rhs*/
    StatePtr		*complexBranchHeadTbl;
    TMShortCard		branchHeadTblSize;
    TMShortCard		quarkTblSize; /*total size of quarkTbl */
    TMShortCard		complexBranchHeadTblSize;
    StatePtr		head;
}TMParseStateTreeRec, *TMParseStateTree;

typedef union _TMStateTreeRec{
    TMSimpleStateTreeRec	simple;
    TMParseStateTreeRec		parse;
    TMComplexStateTreeRec	complex;
}*TMStateTree, **TMStateTreePtr, **TMStateTreeList;

typedef struct _TMSimpleBindProcsRec {
    XtActionProc	*procs;
}TMSimpleBindProcsRec, *TMSimpleBindProcs;

typedef struct _TMComplexBindProcsRec {
    Widget	 	widget;		/*widgetID to pass to action Proc*/
    XtTranslations	aXlations;
    XtActionProc	*procs;
}TMComplexBindProcsRec, *TMComplexBindProcs;

typedef struct _TMSimpleBindDataRec {
    unsigned int		isComplex:1;	/* must be first */
    TMSimpleBindProcsRec	bindTbl[1];	/* variable length */
}TMSimpleBindDataRec, *TMSimpleBindData;

typedef struct _TMComplexBindDataRec {
    unsigned int		isComplex:1;	/* must be first */
    struct _ATranslationData	*accel_context;	/* for GetValues */
    TMComplexBindProcsRec	bindTbl[1]; 	/* variable length */
}TMComplexBindDataRec, *TMComplexBindData;

typedef union _TMBindDataRec{
    TMSimpleBindDataRec		simple;
    TMComplexBindDataRec	complex;
}*TMBindData;

typedef struct _TranslationData{
    unsigned char		hasBindings;	/* must be first */
    unsigned char		operation; /*replace,augment,override*/
    TMShortCard			numStateTrees;
    struct _TranslationData    	*composers[2];
    EventMask			eventMask;
    TMStateTree			stateTreeTbl[1]; /* variable length */
}TranslationData;

/*
 * ATranslations is returned by GetValues for translations that contain
 * accelerators.  The TM can differentiate between this and TranslationData
 * (that don't have a bindTbl) by looking at the first field (hasBindings)
 * of either structure.  All ATranslationData structures associated with a
 * widget are chained off the BindData record of the widget.
 */
typedef struct _ATranslationData{
    unsigned char		hasBindings;	/* must be first */
    unsigned char		operation;
    struct _TranslationData	*xlations;  /* actual translations */
    struct _ATranslationData	*next;      /* chain the contexts together */
    TMComplexBindProcsRec	bindTbl[1]; /* accelerator bindings */
}ATranslationData, *ATranslations;

typedef struct _TMConvertRec {
    XtTranslations	old; /* table to merge into */
    XtTranslations	new; /* table to merge from */
} TMConvertRec;

#define _XtEventTimerEventType ((TMLongCard)~0L)
#define KeysymModMask		(1L<<27) /* private to TM */
#define AnyButtonMask		(1L<<28) /* private to TM */

typedef struct _EventRec {
    TMLongCard modifiers;
    TMLongCard modifierMask;
    LateBindingsPtr lateModifiers;
    TMLongCard eventType;
    TMLongCard eventCode;
    TMLongCard eventCodeMask;
    MatchProc matchEvent;
    Boolean standard;
} Event;

typedef struct _EventSeqRec *EventSeqPtr;
typedef struct _EventSeqRec {
    Event event;	/* X event description */
    StatePtr state;	/* private to state table builder */
    EventSeqPtr next;	/* next event on line */
    ActionPtr actions;	/* r.h.s.   list of actions to perform */
} EventSeqRec;

typedef EventSeqRec EventRec;
typedef EventSeqPtr EventPtr;

typedef struct _TMEventRec {
    XEvent *xev;
    Event event;
}TMEventRec;

typedef struct _ActionHookRec {
    struct _ActionHookRec* next; /* must remain first */
    XtAppContext app;
    XtActionHookProc proc;
    XtPointer closure;
} ActionHookRec, *ActionHook;

/* choose a number between 2 and 8 */
#define TMKEYCACHELOG2 6
#define TMKEYCACHESIZE (1<<TMKEYCACHELOG2)

typedef struct _KeyCacheRec {
    unsigned char modifiers_return[256]; /* constant per KeyCode, key proc */
    KeyCode keycode[TMKEYCACHESIZE];
    unsigned char modifiers[TMKEYCACHESIZE];
    KeySym keysym[TMKEYCACHESIZE];
} TMKeyCache;

typedef struct _TMKeyContextRec {
    XEvent *event;
    unsigned long serial;
    KeySym keysym;
    Modifiers modifiers;
    TMKeyCache keycache;  /* keep this last, to keep offsets to others small */
} TMKeyContextRec, *TMKeyContext;

typedef struct _TMGlobalRec{
    TMTypeMatchRec 		**typeMatchSegmentTbl;
    TMShortCard			numTypeMatches;
    TMShortCard			numTypeMatchSegments;
    TMShortCard			typeMatchSegmentTblSize;
    TMModifierMatchRec 		**modMatchSegmentTbl;
    TMShortCard			numModMatches;
    TMShortCard			numModMatchSegments;
    TMShortCard			modMatchSegmentTblSize;
    Boolean			newMatchSemantics;
#ifdef TRACE_TM
    XtTranslations		*tmTbl;
    TMShortCard			numTms;
    TMShortCard			tmTblSize;
    struct _TMBindCacheRec	**bindCacheTbl;
    TMShortCard			numBindCache;
    TMShortCard			bindCacheTblSize;
    TMShortCard			numLateBindings;
    TMShortCard			numBranchHeads;
    TMShortCard			numComplexStates;
    TMShortCard			numComplexActions;
#endif /* TRACE_TM */
}TMGlobalRec;

_XFUNCPROTOBEGIN

extern TMGlobalRec _XtGlobalTM;

#define TM_MOD_SEGMENT_SIZE 	16
#define TM_TYPE_SEGMENT_SIZE 	16

#define TMGetTypeMatch(idx) \
  ((TMTypeMatch) \
   &((_XtGlobalTM.typeMatchSegmentTbl[((idx) >> 4)])[(idx) & 15]))
#define TMGetModifierMatch(idx) \
  ((TMModifierMatch) \
   &((_XtGlobalTM.modMatchSegmentTbl[(idx) >> 4])[(idx) & 15]))

/* Useful Access Macros */
#define TMNewMatchSemantics() (_XtGlobalTM.newMatchSemantics)
#define TMBranchMore(branch) (branch->more)
#define TMComplexBranchHead(tree, br) \
  (((TMComplexStateTree)tree)->complexBranchHeadTbl[TMBranchMore(br)])

#define TMGetComplexBindEntry(bindData, idx) \
  ((TMComplexBindProcs)&(((TMComplexBindData)bindData)->bindTbl[idx]))

#define TMGetSimpleBindEntry(bindData, idx) \
  ((TMSimpleBindProcs)&(((TMSimpleBindData)bindData)->bindTbl[idx]))


#define _InitializeKeysymTables(dpy, pd) \
    if (pd->keysyms == NULL) \
        _XtBuildKeysymTables(dpy, pd)

/*
 * Internal Functions
 */

extern void _XtPopup(
    Widget      /* widget */,
    XtGrabKind  /* grab_kind */,
    _XtBoolean	/* spring_loaded */
);

extern String _XtPrintXlations(
    Widget		/* w */,
    XtTranslations 	/* xlations */,
    Widget		/* accelWidget */,
    _XtBoolean		/* includeRHS */
);

extern void _XtRegisterGrabs(
    Widget	/* widget */
);

extern XtPointer _XtInitializeActionData(
    struct _XtActionsRec *	/* actions */,
    Cardinal 			/* count */,
    _XtBoolean			/* inPlace */
);

extern void _XtAddEventSeqToStateTree(
    EventSeqPtr		/* eventSeq */,
    TMParseStateTree	/* stateTree */
);

extern Boolean _XtMatchUsingStandardMods(
    TMTypeMatch		/* typeMatch */,
    TMModifierMatch	/* modMatch */,
    TMEventPtr		/* eventSeq */
);

extern Boolean _XtMatchUsingDontCareMods(
    TMTypeMatch		/* typeMatch */,
    TMModifierMatch	/* modMatch */,
    TMEventPtr		/* eventSeq */
);

extern Boolean _XtRegularMatch(
    TMTypeMatch		/* typeMatch */,
    TMModifierMatch	/* modMatch */,
    TMEventPtr		/* eventSeq */
);

extern Boolean _XtMatchAtom(
    TMTypeMatch		/* typeMatch */,
    TMModifierMatch	/* modMatch */,
    TMEventPtr		/* eventSeq */
);

extern void _XtTranslateEvent(
    Widget		/* widget */,
    XEvent*		/* event */
);

#include "CallbackI.h"
#include "EventI.h"
#include "HookObjI.h"
#include "PassivGraI.h"
#include "ThreadsI.h"
#include "InitialI.h"
#include "ResourceI.h"
#include "StringDefs.h"

extern void _XtBuildKeysymTables(Display *dpy, XtPerDisplay pd);

#ifndef NO_MIT_HACKS
extern void  _XtDisplayTranslations(
    Widget		/* widget */,
    XEvent*		/* event */,
    String*		/* params */,
    Cardinal*		/* num_params */
);

extern void  _XtDisplayAccelerators(
    Widget		/* widget */,
    XEvent*		/* event */,
    String*		/* params */,
    Cardinal*		/* num_params */
);

extern void _XtDisplayInstalledAccelerators(
    Widget		/* widget */,
    XEvent*		/* event */,
    String*		/* params */,
    Cardinal*		/* num_params */
);
#endif /* ifndef NO_MIT_HACKS */

extern void _XtPopupInitialize(
    XtAppContext	/* app_context */
);

extern void _XtBindActions(
    Widget	/* widget */,
    XtTM 	/* tm_rec */
);

extern Boolean _XtComputeLateBindings(
    Display*		/* dpy */,
    LateBindingsPtr	/* lateModifiers */,
    Modifiers*		/* computed */,
    Modifiers*		/* computedMask */
);

extern XtTranslations _XtCreateXlations(
    TMStateTree *	/* stateTrees */,
    TMShortCard		/* numStateTrees */,
    XtTranslations 	/* first */,
    XtTranslations	/* second */
);

extern Boolean _XtCvtMergeTranslations(
    Display*	/* dpy */,
    XrmValuePtr	/* args */,
    Cardinal*	/* num_args */,
    XrmValuePtr	/* from */,
    XrmValuePtr	/* to */,
    XtPointer*	/* closure_ret */
);

void _XtRemoveStateTreeByIndex(
    XtTranslations	/* xlations */,
    TMShortCard	/* i */);

void _XtFreeTranslations(
    XtAppContext	/* app */,
    XrmValuePtr		/* toVal */,
    XtPointer		/* closure */,
    XrmValuePtr		/* args */,
    Cardinal*		/* num_args */
);

extern TMShortCard _XtGetModifierIndex(
    Event*	/* event */
);

extern TMShortCard _XtGetQuarkIndex(
    TMParseStateTree	/* stateTreePtr */,
    XrmQuark		/* quark */
);

extern XtTranslations _XtGetTranslationValue(
    Widget		/* widget */
);

extern TMShortCard _XtGetTypeIndex(
    Event*	/* event */
);

extern void _XtGrabInitialize(
    XtAppContext	/* app */
);

extern void _XtInstallTranslations(
    Widget		/* widget */
);

extern void _XtRemoveTranslations(
    Widget		/* widget */
);

extern void _XtDestroyTMData(
    Widget		/* widget */
);

extern void _XtMergeTranslations(
    Widget		/* widget */,
    XtTranslations	/* newXlations */,
    _XtTranslateOp	/* operation */
);

extern void _XtActionInitialize(
    XtAppContext	/* app */
);

extern TMStateTree _XtParseTreeToStateTree(
    TMParseStateTree 	/* parseTree */
);

extern String _XtPrintActions(
    ActionRec*	/* actions */,
    XrmQuark*	/* quarkTbl */
);

extern String _XtPrintState(
    TMStateTree	/* stateTree */,
    TMBranchHead /* branchHead */);

extern String _XtPrintEventSeq(
    EventSeqPtr	/* eventSeq */,
    Display*	/* dpy */
);

typedef Boolean (*_XtTraversalProc)(
    StatePtr	/* state */,
    XtPointer	/* data */
);

extern void _XtTraverseStateTree(
    TMStateTree		/* tree */,
    _XtTraversalProc	/* func */,
    XtPointer		/* data */
);

extern void _XtTranslateInitialize(
    void
);

extern void _XtAddTMConverters(
    ConverterTable	/* table */
);

extern void _XtUnbindActions(
    Widget		/* widget */,
    XtTranslations	/* xlations */,
    TMBindData		/* bindData */
);

extern void _XtUnmergeTranslations(
    Widget		/* widget */,
    XtTranslations 	/* xlations */
);

/* TMKey.c */
extern void _XtAllocTMContext(XtPerDisplay pd);

_XFUNCPROTOEND