summaryrefslogtreecommitdiffstats
path: root/macosx/tkMacOSXKeyEvent.c
blob: 09cdf94826df11a05cb61ea35f8b03ef5063fd63 (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
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
/*
 * tkMacOSXKeyEvent.c --
 *
 *	This file implements functions that decode & handle keyboard events on
 *	MacOS X.
 *
 * Copyright 2001-2009, Apple Inc.
 * Copyright (c) 2006-2009 Daniel A. Steffen <das@users.sourceforge.net>
 * Copyright (c) 2012 Adrian Robert.
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tkMacOSXPrivate.h"
#include "tkMacOSXEvent.h"

/*
#ifdef TK_MAC_DEBUG
#define TK_MAC_DEBUG_KEYBOARD
#endif
*/
#define NS_KEYLOG 0


static Tk_Window grabWinPtr = NULL;
				/* Current grab window, NULL if no grab. */
static Tk_Window keyboardGrabWinPtr = NULL;
				/* Current keyboard grab window. */
static NSModalSession modalSession = NULL;

static BOOL processingCompose = NO;
static BOOL finishedCompose = NO;

static int caret_x = 0, caret_y = 0, caret_height = 0;

static void setupXEvent(XEvent *xEvent, NSWindow *w, unsigned int state);
static unsigned isFunctionKey(unsigned int code);


#pragma mark TKApplication(TKKeyEvent)

@implementation TKApplication(TKKeyEvent)

- (NSEvent *) tkProcessKeyEvent: (NSEvent *) theEvent
{
#ifdef TK_MAC_DEBUG_EVENTS
    TKLog(@"-[%@(%p) %s] %@", [self class], self, _cmd, theEvent);
#endif
    NSWindow*	    w;
    NSEventType	    type = [theEvent type];
    NSUInteger	    modifiers, len = 0;
    BOOL	    repeat = NO;
    unsigned short  keyCode;
    NSString	    *characters = nil, *charactersIgnoringModifiers = nil;
    static NSUInteger savedModifiers = 0;
    static NSMutableArray *nsEvArray;

    if (nsEvArray == nil)
      {
        nsEvArray = [[NSMutableArray alloc] initWithCapacity: 1];
        processingCompose = NO;
      }

    switch (type) {
    case NSKeyUp:
      if (finishedCompose)
        {
          // if we were composing, swallow the last release since we already sent
          finishedCompose = NO;
          return theEvent;
        }
    case NSKeyDown:
	repeat = [theEvent isARepeat];
	characters = [theEvent characters];
	charactersIgnoringModifiers = [theEvent charactersIgnoringModifiers];
        len = [charactersIgnoringModifiers length];
    case NSFlagsChanged:
	modifiers = [theEvent modifierFlags];
	keyCode = [theEvent keyCode];
	//	w = [self windowWithWindowNumber:[theEvent windowNumber]];
	w = [theEvent window];
#if defined(TK_MAC_DEBUG_EVENTS) || NS_KEYLOG == 1
	NSLog(@"-[%@(%p) %s] r=%d mods=%u '%@' '%@' code=%u c=%d %@ %d", [self class], self, _cmd, repeat, modifiers, characters, charactersIgnoringModifiers, keyCode,([charactersIgnoringModifiers length] == 0) ? 0 : [charactersIgnoringModifiers characterAtIndex: 0], w, type);
#endif
	break;

    default:
	return theEvent; /* Unrecognized key event. */
    }

    /* Create an Xevent to add to the Tk queue. */
    if (!processingCompose) {
        unsigned int state = 0;

        if (modifiers & NSAlphaShiftKeyMask) {
          state |= LockMask;
        }
        if (modifiers & NSShiftKeyMask) {
          state |= ShiftMask;
        }
        if (modifiers & NSControlKeyMask) {
          state |= ControlMask;
        }
        if (modifiers & NSCommandKeyMask) {
          state |= Mod1Mask;		/* command key */
        }
        if (modifiers & NSAlternateKeyMask) {
          state |= Mod2Mask;		/* option key */
        }
        if (modifiers & NSNumericPadKeyMask) {
          state |= Mod3Mask;
        }
        if (modifiers & NSFunctionKeyMask) {
          state |= Mod4Mask;
        }

        /*
         * The focus must be in the FrontWindow on the Macintosh. We then query Tk
         * to determine the exact Tk window that owns the focus.
         */

        TkWindow *winPtr = TkMacOSXGetTkWindow(w);
        Tk_Window tkwin = (Tk_Window) winPtr;

        if (!tkwin) {
          TkMacOSXDbgMsg("tkwin == NULL");
          return theEvent;
        }
        tkwin = (Tk_Window) winPtr->dispPtr->focusPtr;
        if (!tkwin) {
          TkMacOSXDbgMsg("tkwin == NULL");
          return theEvent;  /* Give up. No window for this event. */
        }

        /*
         * If it's a function key, or we have modifiers other than Shift or Alt,
         * pass it straight to Tk.  Otherwise we'll send for input processing.
         */
        int code = (len == 0) ?
          0 : [charactersIgnoringModifiers characterAtIndex: 0];
        if (type != NSKeyDown || isFunctionKey(code)
            || (len > 0 && state & (ControlMask | Mod1Mask | Mod3Mask | Mod4Mask))) {

            XEvent xEvent;
            setupXEvent(&xEvent, w, state);

            if (type == NSFlagsChanged) {
              if (savedModifiers > modifiers) {
                xEvent.xany.type = KeyRelease;
              } else {
                xEvent.xany.type = KeyPress;
              }

              /*
               * Use special '-1' to signify a special keycode to our platform
               * specific code in tkMacOSXKeyboard.c. This is rather like what
               * happens on Windows.
               */

              xEvent.xany.send_event = -1;

              /*
               * Set keycode (which was zero) to the changed modifier
               */

              xEvent.xkey.keycode = (modifiers ^ savedModifiers);
            } else {
              if (type == NSKeyUp || repeat) {
                xEvent.xany.type = KeyRelease;
              } else {
                xEvent.xany.type = KeyPress;
              }

              /* For command key, take input manager's word so things
                 like dvorak / qwerty layout work. */
              if ((modifiers & NSCommandKeyMask) == NSCommandKeyMask
                  && (modifiers & NSAlternateKeyMask) != NSAlternateKeyMask
                  && len > 0 && !isFunctionKey(code)) {
                // head off keycode-based translation in tkMacOSXKeyboard.c
                xEvent.xkey.nbytes = [characters length]; //len
              }

              if ([characters length] > 0) {
                xEvent.xkey.keycode =
                  (keyCode << 16) | (UInt16) [characters characterAtIndex:0];
                if (![characters getCString:xEvent.xkey.trans_chars
                                  maxLength:XMaxTransChars encoding:NSUTF8StringEncoding]) {
                  /* prevent SF bug 2907388 (crash on some composite chars) */
                  //PENDING: we might not need this anymore
                  TkMacOSXDbgMsg("characters too long");
                  return theEvent;
                }
              }

              if (repeat) {
                Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
                xEvent.xany.type = KeyPress;
                xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
              }
            }
            Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
            savedModifiers = modifiers;
            return theEvent;
          }  /* if send straight to TK */

      }  /* if not processing compose */

    if (type == NSKeyDown) {
        if (NS_KEYLOG)
          fprintf (stderr, "keyDown: %s compose sequence.\n",
                   processingCompose == YES ? "Continue" : "Begin");
        processingCompose = YES;
        [nsEvArray addObject: theEvent];
        [[w contentView] interpretKeyEvents: nsEvArray];
        [nsEvArray removeObject: theEvent];
      }

    savedModifiers = modifiers;

    return theEvent;
}
@end



@implementation TKContentView(TKKeyEvent)
/* <NSTextInput> implementation (called through interpretKeyEvents:]). */

/* <NSTextInput>: called when done composing;
   NOTE: also called when we delete over working text, followed immed.
         by doCommandBySelector: deleteBackward: */
- (void)insertText: (id)aString
{
  int i, len = [(NSString *)aString length];
  XEvent xEvent;
  TkWindow *winPtr = TkMacOSXGetTkWindow([self window]);
  Tk_Window tkwin = (Tk_Window) winPtr;

  if (NS_KEYLOG)
    NSLog (@"insertText '%@'\tlen = %d", aString, len);
  processingCompose = NO;
  finishedCompose = YES;

  /* first, clear any working text */
  if (privateWorkingText != nil)
    [self deleteWorkingText];

  /* now insert the string as keystrokes */
  setupXEvent(&xEvent, [self window], 0);
  xEvent.xany.type = KeyPress;

  for (i =0; i<len; i++)
    {
      xEvent.xkey.keycode = (UInt16) [aString characterAtIndex: i];
      [[aString substringWithRange: NSMakeRange(i,1)]
        getCString: xEvent.xkey.trans_chars
         maxLength: XMaxTransChars encoding: NSUTF8StringEncoding];
      xEvent.xkey.nbytes = strlen(xEvent.xkey.trans_chars);
      xEvent.xany.type = KeyPress;
      Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);

      xEvent.xany.type = KeyRelease;
      xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
      Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
      xEvent.xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
    }
}


/* <NSTextInput>: inserts display of composing characters */
- (void)setMarkedText: (id)aString selectedRange: (NSRange)selRange
{
  NSString *str = [aString respondsToSelector: @selector (string)] ?
    [aString string] : aString;
  if (NS_KEYLOG)
    NSLog (@"setMarkedText '%@' len =%lu range %lu from %lu", str,
	   (unsigned long) [str length], (unsigned long) selRange.length,
	   (unsigned long) selRange.location);

  if (privateWorkingText != nil)
    [self deleteWorkingText];
  if ([str length] == 0)
    return;

  processingCompose = YES;
  privateWorkingText = [str copy];

  //PENDING: insert workingText underlined
}


/* delete display of composing characters [not in <NSTextInput>] */
- (void)deleteWorkingText
{
  if (privateWorkingText == nil)
    return;
  if (NS_KEYLOG)
    NSLog(@"deleteWorkingText len = %lu\n",
	    (unsigned long)[privateWorkingText length]);
  [privateWorkingText release];
  privateWorkingText = nil;
  processingCompose = NO;

  //PENDING: delete working text
}


- (BOOL)hasMarkedText
{
  return privateWorkingText != nil;
}


- (NSRange)markedRange
{
  NSRange rng = privateWorkingText != nil
    ? NSMakeRange (0, [privateWorkingText length]) : NSMakeRange (NSNotFound, 0);
  if (NS_KEYLOG)
    NSLog (@"markedRange request");
  return rng;
}


- (void)unmarkText
{
  if (NS_KEYLOG)
    NSLog (@"unmark (accept) text");
  [self deleteWorkingText];
  processingCompose = NO;
}


/* used to position char selection windows, etc. */
- (NSRect)firstRectForCharacterRange: (NSRange)theRange
{
  NSRect rect;
  NSPoint pt;

  pt.x = caret_x;
  pt.y = caret_y;

  pt = [self convertPoint: pt toView: nil];
  pt = [[self window] convertBaseToScreen: pt];
  pt.y -= caret_height;

  rect.origin = pt;
  rect.size.width = caret_height;
  rect.size.height = caret_height;
  return rect;
}


- (NSInteger)conversationIdentifier
{
  return (NSInteger)self;
}


- (void)doCommandBySelector: (SEL)aSelector
{
  if (NS_KEYLOG)
    NSLog (@"doCommandBySelector: %@", NSStringFromSelector (aSelector));
  processingCompose = NO;
  if (aSelector == @selector (deleteBackward:))
    {
      /* happens when user backspaces over an ongoing composition:
         throw a 'delete' into the event queue */
      XEvent xEvent;
      setupXEvent(&xEvent, [self window], 0);
      xEvent.xany.type = KeyPress;
      xEvent.xkey.nbytes = 1;
      xEvent.xkey.keycode = (0x33 << 16) | 0x7F;
      xEvent.xkey.trans_chars[0] = 0x7F;
      xEvent.xkey.trans_chars[1] = 0x0;
      Tk_QueueWindowEvent(&xEvent, TCL_QUEUE_TAIL);
    }
}


- (NSArray *)validAttributesForMarkedText
{
  static NSArray *arr = nil;
  if (arr == nil) arr = [NSArray new];
 /* [[NSArray arrayWithObject: NSUnderlineStyleAttributeName] retain]; */
  return arr;
}


- (NSRange)selectedRange
{
  if (NS_KEYLOG)
    NSLog (@"selectedRange request");
  return NSMakeRange (NSNotFound, 0);
}


- (NSUInteger)characterIndexForPoint: (NSPoint)thePoint
{
  if (NS_KEYLOG)
    NSLog (@"characterIndexForPoint request");
  return 0;
}


- (NSAttributedString *)attributedSubstringFromRange: (NSRange)theRange
{
  static NSAttributedString *str = nil;
  if (str == nil) str = [NSAttributedString new];
  if (NS_KEYLOG)
    NSLog (@"attributedSubstringFromRange request");
  return str;
}
/* End <NSTextInput> impl. */
@end



/*
 *  Set up basic fields in xevent for keyboard input.
 */
static void
setupXEvent(XEvent *xEvent, NSWindow *w, unsigned int state)
{
    TkWindow *winPtr = TkMacOSXGetTkWindow(w);
    Tk_Window tkwin = (Tk_Window) winPtr;

    memset(xEvent, 0, sizeof(XEvent));
    xEvent->xany.serial = LastKnownRequestProcessed(Tk_Display(tkwin));
    xEvent->xany.send_event = false;
    xEvent->xany.display = Tk_Display(tkwin);
    xEvent->xany.window = Tk_WindowId(tkwin);

    xEvent->xkey.root = XRootWindow(Tk_Display(tkwin), 0);
    xEvent->xkey.subwindow = None;
    xEvent->xkey.time = TkpGetMS();
    xEvent->xkey.state = state;
    xEvent->xkey.same_screen = true;
    xEvent->xkey.trans_chars[0] = 0;
    xEvent->xkey.nbytes = 0;
}

#pragma mark -

/*
 *----------------------------------------------------------------------
 *
 * XGrabKeyboard --
 *
 *	Simulates a keyboard grab by setting the focus.
 *
 * Results:
 *	Always returns GrabSuccess.
 *
 * Side effects:
 *	Sets the keyboard focus to the specified window.
 *
 *----------------------------------------------------------------------
 */

int
XGrabKeyboard(
    Display* display,
    Window grab_window,
    Bool owner_events,
    int pointer_mode,
    int keyboard_mode,
    Time time)
{
    keyboardGrabWinPtr = Tk_IdToWindow(display, grab_window);
    if (keyboardGrabWinPtr && grabWinPtr) {
	NSWindow *w = TkMacOSXDrawableWindow(grab_window);
	MacDrawable *macWin = (MacDrawable *) grab_window;

	if (w && macWin->toplevel->winPtr == (TkWindow*) grabWinPtr) {
	    if (modalSession) {
		Tcl_Panic("XGrabKeyboard: already grabbed");
	    }
	    modalSession = [NSApp beginModalSessionForWindow:[w retain]];
	}
    }
    return GrabSuccess;
}

/*
 *----------------------------------------------------------------------
 *
 * XUngrabKeyboard --
 *
 *	Releases the simulated keyboard grab.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Sets the keyboard focus back to the value before the grab.
 *
 *----------------------------------------------------------------------
 */

void
XUngrabKeyboard(
    Display* display,
    Time time)
{
    if (modalSession) {
	NSWindow *w = keyboardGrabWinPtr ? TkMacOSXDrawableWindow(
		((TkWindow *) keyboardGrabWinPtr)->window) : nil;
	[NSApp endModalSession:modalSession];
	[w release];
	modalSession = NULL;
    }
    keyboardGrabWinPtr = NULL;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMacOSXGetCapture --
 *
 * Results:
 *	Returns the current grab window
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

Tk_Window
TkMacOSXGetCapture(void)
{
    return grabWinPtr;
}

/*
 *----------------------------------------------------------------------
 *
 * TkMacOSXGetModalSession --
 *
 * Results:
 *	Returns the current modal session
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

MODULE_SCOPE NSModalSession
TkMacOSXGetModalSession(void)
{
    return modalSession;
}

/*
 *----------------------------------------------------------------------
 *
 * TkpSetCapture --
 *
 *	This function captures the mouse so that all future events will be
 *	reported to this window, even if the mouse is outside the window. If
 *	the specified window is NULL, then the mouse is released.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Sets the capture flag and captures the mouse.
 *
 *----------------------------------------------------------------------
 */

void
TkpSetCapture(
    TkWindow *winPtr)		/* Capture window, or NULL. */
{
    while (winPtr && !Tk_IsTopLevel(winPtr)) {
	winPtr = winPtr->parentPtr;
    }
    grabWinPtr = (Tk_Window) winPtr;
}

/*
 *----------------------------------------------------------------------
 *
 * Tk_SetCaretPos --
 *
 *	This enables correct placement of the XIM caret. This is called by
 *	widgets to indicate their cursor placement, and the caret location is
 *	used by TkpGetString to place the XIM caret.
 *
 * Results:
 *	None
 *
 * Side effects:
 *	None
 *
 *----------------------------------------------------------------------
 */

void
Tk_SetCaretPos(
    Tk_Window tkwin,
    int x,
    int y,
    int height)
 {
    TkCaret *caretPtr = &(((TkWindow *) tkwin)->dispPtr->caret);

    /*
     * Prevent processing anything if the values haven't changed. Windows only
     * has one display, so we can do this with statics.
     */

    if ((caretPtr->winPtr == ((TkWindow *) tkwin))
	    && (caretPtr->x == x) && (caretPtr->y == y)) {
	return;
    }

    caretPtr->winPtr = ((TkWindow *) tkwin);
    caretPtr->x = x;
    caretPtr->y = y;
    caretPtr->height = height;

    /*
     * As in Windows, adjust to the toplevel to get the coords right.
     */

    while (!Tk_IsTopLevel(tkwin)) {
	x += Tk_X(tkwin);
	y += Tk_Y(tkwin);
	tkwin = Tk_Parent(tkwin);
	if (tkwin == NULL) {
	    return;
	}
    }

    /* But adjust for fact that NS uses flipped view. */
    y = Tk_Height(tkwin) - y;

    caret_x = x;
    caret_y = y;
    caret_height = height;
}


static unsigned convert_ns_to_X_keysym[] =
{
  NSHomeFunctionKey,            0x50,
  NSLeftArrowFunctionKey,       0x51,
  NSUpArrowFunctionKey,         0x52,
  NSRightArrowFunctionKey,      0x53,
  NSDownArrowFunctionKey,       0x54,
  NSPageUpFunctionKey,          0x55,
  NSPageDownFunctionKey,        0x56,
  NSEndFunctionKey,             0x57,
  NSBeginFunctionKey,           0x58,
  NSSelectFunctionKey,          0x60,
  NSPrintFunctionKey,           0x61,
  NSExecuteFunctionKey,         0x62,
  NSInsertFunctionKey,          0x63,
  NSUndoFunctionKey,            0x65,
  NSRedoFunctionKey,            0x66,
  NSMenuFunctionKey,            0x67,
  NSFindFunctionKey,            0x68,
  NSHelpFunctionKey,            0x6A,
  NSBreakFunctionKey,           0x6B,

  NSF1FunctionKey,              0xBE,
  NSF2FunctionKey,              0xBF,
  NSF3FunctionKey,              0xC0,
  NSF4FunctionKey,              0xC1,
  NSF5FunctionKey,              0xC2,
  NSF6FunctionKey,              0xC3,
  NSF7FunctionKey,              0xC4,
  NSF8FunctionKey,              0xC5,
  NSF9FunctionKey,              0xC6,
  NSF10FunctionKey,             0xC7,
  NSF11FunctionKey,             0xC8,
  NSF12FunctionKey,             0xC9,
  NSF13FunctionKey,             0xCA,
  NSF14FunctionKey,             0xCB,
  NSF15FunctionKey,             0xCC,
  NSF16FunctionKey,             0xCD,
  NSF17FunctionKey,             0xCE,
  NSF18FunctionKey,             0xCF,
  NSF19FunctionKey,             0xD0,
  NSF20FunctionKey,             0xD1,
  NSF21FunctionKey,             0xD2,
  NSF22FunctionKey,             0xD3,
  NSF23FunctionKey,             0xD4,
  NSF24FunctionKey,             0xD5,

  NSBackspaceCharacter,         0x08,  /* 8: Not on some KBs. */
  NSDeleteCharacter,            0xFF,  /* 127: Big 'delete' key upper right. */
  NSDeleteFunctionKey,          0x9F,  /* 63272: Del forw key off main array. */

  NSTabCharacter,		0x09,
  0x19,				0x09,  /* left tab->regular since pass shift */
  NSCarriageReturnCharacter,	0x0D,
  NSNewlineCharacter,		0x0D,
  NSEnterCharacter,		0x8D,

  0x1B,				0x1B   /* escape */
};


static unsigned isFunctionKey(unsigned code)
{
    const unsigned last_keysym = (sizeof (convert_ns_to_X_keysym)
                                / sizeof (convert_ns_to_X_keysym[0]));
  unsigned keysym;
  for (keysym = 0; keysym < last_keysym; keysym += 2)
    if (code == convert_ns_to_X_keysym[keysym])
      return 0xFF00 | convert_ns_to_X_keysym[keysym+1];
  return 0;
 }

/*
 * Local Variables:
 * mode: objc
 * c-basic-offset: 4
 * fill-column: 79
 * coding: utf-8
 * End:
 */