summaryrefslogtreecommitdiffstats
path: root/src/gui/widgets/qmenu_mac.mm
blob: 56658b3718d558feb28fd45f139d43cd5f22d2dc (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
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qmenu.h"
#include "qhash.h"
#include <qdebug.h>
#include "qapplication.h"
#include <private/qt_mac_p.h>
#include "qregexp.h"
#include "qmainwindow.h"
#include "qdockwidget.h"
#include "qtoolbar.h"
#include "qevent.h"
#include "qstyle.h"
#include "qwidgetaction.h"
#include "qmacnativewidget_mac.h"

#include <private/qapplication_p.h>
#include <private/qcocoaapplication_mac_p.h>
#include <private/qmenu_p.h>
#include <private/qmenubar_p.h>
#include <private/qcocoamenuloader_mac_p.h>
#include <private/qcocoamenu_mac_p.h>
#include <private/qt_cocoa_helpers_mac_p.h>
#include <Cocoa/Cocoa.h>

QT_BEGIN_NAMESPACE

/*****************************************************************************
  QMenu debug facilities
 *****************************************************************************/

/*****************************************************************************
  QMenu globals
 *****************************************************************************/
bool qt_mac_no_menubar_merge = false;
bool qt_mac_quit_menu_item_enabled = true;
int qt_mac_menus_open_count = 0;

static OSMenuRef qt_mac_create_menu(QWidget *w);

#ifndef QT_MAC_USE_COCOA
static uint qt_mac_menu_static_cmd_id = 'QT00';
const UInt32 kMenuCreatorQt = 'cute';
enum {
    kMenuPropertyQAction = 'QAcT',
    kMenuPropertyQWidget = 'QWId',
    kMenuPropertyCausedQWidget = 'QCAU',
    kMenuPropertyMergeMenu = 'QApP',
    kMenuPropertyMergeList = 'QAmL',
    kMenuPropertyWidgetActionWidget = 'QWid',
    kMenuPropertyWidgetMenu = 'QWMe',

    kHICommandAboutQt = 'AOQT',
    kHICommandCustomMerge = 'AQt0'
};
#endif

static struct {
    QPointer<QMenuBar> qmenubar;
    bool modal;
} qt_mac_current_menubar = { 0, false };




/*****************************************************************************
  Externals
 *****************************************************************************/
extern OSViewRef qt_mac_hiview_for(const QWidget *w); //qwidget_mac.cpp
extern HIViewRef qt_mac_hiview_for(OSWindowRef w); //qwidget_mac.cpp
extern IconRef qt_mac_create_iconref(const QPixmap &px); //qpixmap_mac.cpp
extern QWidget * mac_keyboard_grabber; //qwidget_mac.cpp
extern bool qt_sendSpontaneousEvent(QObject*, QEvent*); //qapplication_xxx.cpp
RgnHandle qt_mac_get_rgn(); //qregion_mac.cpp
void qt_mac_dispose_rgn(RgnHandle r); //qregion_mac.cpp

/*****************************************************************************
  QMenu utility functions
 *****************************************************************************/
bool qt_mac_watchingAboutToShow(QMenu *menu)
{
    return menu && menu->receivers(SIGNAL(aboutToShow()));
}

static int qt_mac_CountMenuItems(OSMenuRef menu)
{
    if (menu) {
#ifndef QT_MAC_USE_COCOA
        int ret = 0;
        const int items = CountMenuItems(menu);
        for(int i = 0; i < items; i++) {
            MenuItemAttributes attr;
            if (GetMenuItemAttributes(menu, i+1, &attr) == noErr &&
               attr & kMenuItemAttrHidden)
                continue;
            ++ret;
        }
        return ret;
#else
        return [menu numberOfItems];
#endif
    }
    return 0;
}

static quint32 constructModifierMask(quint32 accel_key)
{
    quint32 ret = 0;
    const bool dontSwap = qApp->testAttribute(Qt::AA_MacDontSwapCtrlAndMeta);
#ifndef QT_MAC_USE_COCOA
    if ((accel_key & Qt::ALT) == Qt::ALT)
        ret |= kMenuOptionModifier;
    if ((accel_key & Qt::SHIFT) == Qt::SHIFT)
        ret |= kMenuShiftModifier;
    if (dontSwap) {
        if ((accel_key & Qt::META) != Qt::META)
            ret |= kMenuNoCommandModifier;
        if ((accel_key & Qt::CTRL) == Qt::CTRL)
            ret |= kMenuControlModifier;
    } else {
        if ((accel_key & Qt::CTRL) != Qt::CTRL)
            ret |= kMenuNoCommandModifier;
        if ((accel_key & Qt::META) == Qt::META)
            ret |= kMenuControlModifier;
    }
#else
    if ((accel_key & Qt::CTRL) == Qt::CTRL)
        ret |= (dontSwap ? NSControlKeyMask : NSCommandKeyMask);
    if ((accel_key & Qt::META) == Qt::META)
        ret |= (dontSwap ? NSCommandKeyMask : NSControlKeyMask);
    if ((accel_key & Qt::ALT) == Qt::ALT)
        ret |= NSAlternateKeyMask;
    if ((accel_key & Qt::SHIFT) == Qt::SHIFT)
        ret |= NSShiftKeyMask;
#endif
    return ret;
}

static void cancelAllMenuTracking()
{
#ifdef QT_MAC_USE_COCOA
    QMacCocoaAutoReleasePool pool;
    NSMenu *mainMenu = [NSApp mainMenu];
    [mainMenu cancelTracking];
    for (NSMenuItem *item in [mainMenu itemArray]) {
        if ([item submenu]) {
            [[item submenu] cancelTracking];
        }
    }
#else
    CancelMenuTracking(AcquireRootMenu(), true, 0);
#endif
}

static bool actualMenuItemVisibility(const QMenuBarPrivate::QMacMenuBarPrivate *mbp,
                                     const QMacMenuAction *action)
{
    bool visible = action->action->isVisible();
    if (visible && action->action->text() == QString(QChar(0x14)))
        return false;
    if (visible && action->action->menu() && !action->action->menu()->actions().isEmpty() &&
        !qt_mac_CountMenuItems(action->action->menu()->macMenu(mbp->apple_menu)) &&
        !qt_mac_watchingAboutToShow(action->action->menu())) {
        return false;
    }
    return visible;
}

#ifndef QT_MAC_USE_COCOA
bool qt_mac_activate_action(MenuRef menu, uint command, QAction::ActionEvent action_e, bool by_accel)
{
    //fire event
    QMacMenuAction *action = 0;
    if (GetMenuCommandProperty(menu, command, kMenuCreatorQt, kMenuPropertyQAction, sizeof(action), 0, &action) != noErr) {
        QMenuMergeList *list = 0;
        GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                            sizeof(list), 0, &list);
        if (!list && qt_mac_current_menubar.qmenubar && qt_mac_current_menubar.qmenubar->isNativeMenuBar()) {
            MenuRef apple_menu = qt_mac_current_menubar.qmenubar->d_func()->mac_menubar->apple_menu;
            GetMenuItemProperty(apple_menu, 0, kMenuCreatorQt, kMenuPropertyMergeList, sizeof(list), 0, &list);
            if (list)
                menu = apple_menu;
        }
        if (list) {
            for(int i = 0; i < list->size(); ++i) {
                QMenuMergeItem item = list->at(i);
                if (item.command == command && item.action) {
                    action = item.action;
                    break;
                }
            }
        }
        if (!action)
            return false;
    }

    if (action_e == QAction::Trigger && by_accel && action->ignore_accel) //no, not a real accel (ie tab)
        return false;

    // Unhighlight the highlighted menu item before triggering the action to
    // prevent items from staying highlighted while a modal dialog is shown.
    // This also fixed the problem that parentless modal dialogs leave
    // the menu item highlighted (since the menu bar is cleared for these types of dialogs).
    if (action_e == QAction::Trigger)
        HiliteMenu(0);

    action->action->activate(action_e);

    //now walk up firing for each "caused" widget (like in the platform independent menu)
    QWidget *caused = 0;
    if (action_e == QAction::Hover && GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget, sizeof(caused), 0, &caused) == noErr) {
        MenuRef caused_menu = 0;
        if (QMenu *qmenu2 = qobject_cast<QMenu*>(caused))
            caused_menu = qmenu2->macMenu();
        else if (QMenuBar *qmenubar2 = qobject_cast<QMenuBar*>(caused))
            caused_menu = qmenubar2->macMenu();
        else
            caused_menu = 0;
        while(caused_menu) {
            //fire
            QWidget *widget = 0;
            GetMenuItemProperty(caused_menu, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(widget), 0, &widget);
            if (QMenu *qmenu = qobject_cast<QMenu*>(widget)) {
                action->action->showStatusText(widget);
                emit qmenu->hovered(action->action);
            } else if (QMenuBar *qmenubar = qobject_cast<QMenuBar*>(widget)) {
                action->action->showStatusText(widget);
                emit qmenubar->hovered(action->action);
                break; //nothing more..
            }

            //walk up
            if (GetMenuItemProperty(caused_menu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget,
                                    sizeof(caused), 0, &caused) != noErr)
                break;
            if (QMenu *qmenu2 = qobject_cast<QMenu*>(caused))
                caused_menu = qmenu2->macMenu();
            else if (QMenuBar *qmenubar2 = qobject_cast<QMenuBar*>(caused))
                caused_menu = qmenubar2->macMenu();
            else
                caused_menu = 0;
        }
    }
    return true;
}

//lookup a QMacMenuAction in a menu
static int qt_mac_menu_find_action(MenuRef menu, MenuCommand cmd)
{
    MenuItemIndex ret_idx;
    MenuRef ret_menu;
    if (GetIndMenuItemWithCommandID(menu, cmd, 1, &ret_menu, &ret_idx) == noErr) {
        if (ret_menu == menu)
            return (int)ret_idx;
    }
    return -1;
}
static int qt_mac_menu_find_action(MenuRef menu, QMacMenuAction *action)
{
    return qt_mac_menu_find_action(menu, action->command);
}

typedef QMultiHash<OSMenuRef, EventHandlerRef> EventHandlerHash;
Q_GLOBAL_STATIC(EventHandlerHash, menu_eventHandlers_hash)

static EventTypeSpec widget_in_menu_events[] = {
    { kEventClassMenu, kEventMenuMeasureItemWidth },
    { kEventClassMenu, kEventMenuMeasureItemHeight },
    { kEventClassMenu, kEventMenuDrawItem },
    { kEventClassMenu, kEventMenuCalculateSize }
};

static OSStatus qt_mac_widget_in_menu_eventHandler(EventHandlerCallRef er, EventRef event, void *)
{
    UInt32 ekind = GetEventKind(event);
    UInt32 eclass = GetEventClass(event);
    OSStatus result = eventNotHandledErr;
    switch (eclass) {
    case kEventClassMenu:
        switch (ekind) {
        default:
            break;
        case kEventMenuMeasureItemWidth: {
            MenuItemIndex item;
            GetEventParameter(event, kEventParamMenuItemIndex, typeMenuItemIndex,
                              0, sizeof(item), 0, &item);
            OSMenuRef menu;
            GetEventParameter(event, kEventParamDirectObject, typeMenuRef, 0, sizeof(menu), 0, &menu);
            QWidget *widget;
            if (GetMenuItemProperty(menu, item, kMenuCreatorQt, kMenuPropertyWidgetActionWidget,
                                 sizeof(widget), 0, &widget) == noErr) {
                short width = short(widget->sizeHint().width());
                SetEventParameter(event, kEventParamMenuItemWidth, typeSInt16,
                                  sizeof(short), &width);
                result = noErr;
            }
            break; }
        case kEventMenuMeasureItemHeight: {
            MenuItemIndex item;
            GetEventParameter(event, kEventParamMenuItemIndex, typeMenuItemIndex,
                              0, sizeof(item), 0, &item);
            OSMenuRef menu;
            GetEventParameter(event, kEventParamDirectObject, typeMenuRef, 0, sizeof(menu), 0, &menu);
            QWidget *widget;
            if (GetMenuItemProperty(menu, item, kMenuCreatorQt, kMenuPropertyWidgetActionWidget,
                                     sizeof(widget), 0, &widget) == noErr && widget) {
                short height = short(widget->sizeHint().height());
                SetEventParameter(event, kEventParamMenuItemHeight, typeSInt16,
                                  sizeof(short), &height);
                result = noErr;
            }
            break; }
        case kEventMenuDrawItem:
            result = noErr;
            break;
        case kEventMenuCalculateSize: {
            result = CallNextEventHandler(er, event);
            if (result == noErr) {
                OSMenuRef menu;
                GetEventParameter(event, kEventParamDirectObject, typeMenuRef, 0, sizeof(menu), 0, &menu);
                HIViewRef content;
                HIMenuGetContentView(menu, kThemeMenuTypePullDown, &content);
                UInt16 count = CountMenuItems(menu);
                for (MenuItemIndex i = 1; i <= count; ++i) {
                    QWidget *widget;
                    if (GetMenuItemProperty(menu, i, kMenuCreatorQt, kMenuPropertyWidgetActionWidget,
                            sizeof(widget), 0, &widget) == noErr && widget) {
                        RgnHandle itemRgn = qt_mac_get_rgn();
                        GetControlRegion(content, i, itemRgn);

                        Rect bounds;
                        GetRegionBounds( itemRgn, &bounds );
                        qt_mac_dispose_rgn(itemRgn);
                        widget->setGeometry(bounds.left, bounds.top,
                                            bounds.right - bounds.left, bounds.bottom - bounds.top);
                    }
                }
            }
            break; }
        }
    }
    return result;
}

//handling of events for menurefs created by Qt..
static EventTypeSpec menu_events[] = {
    { kEventClassCommand, kEventCommandProcess },
    { kEventClassMenu, kEventMenuTargetItem },
    { kEventClassMenu, kEventMenuOpening },
    { kEventClassMenu, kEventMenuClosed }
};

// Special case for kEventMenuMatchKey, see qt_mac_create_menu below.
static EventTypeSpec menu_menu_events[] = {
    { kEventClassMenu, kEventMenuMatchKey }
};

OSStatus qt_mac_menu_event(EventHandlerCallRef er, EventRef event, void *)
{
    QScopedLoopLevelCounter loopLevelCounter(QApplicationPrivate::instance()->threadData);

    bool handled_event = true;
    UInt32 ekind = GetEventKind(event), eclass = GetEventClass(event);
    switch(eclass) {
    case kEventClassCommand:
        if (ekind == kEventCommandProcess) {
            UInt32 context;
            GetEventParameter(event, kEventParamMenuContext, typeUInt32,
                              0, sizeof(context), 0, &context);
            HICommand cmd;
            GetEventParameter(event, kEventParamDirectObject, typeHICommand,
                              0, sizeof(cmd), 0, &cmd);
            if (!mac_keyboard_grabber && (context & kMenuContextKeyMatching)) {
                QMacMenuAction *action = 0;
                if (GetMenuCommandProperty(cmd.menu.menuRef, cmd.commandID, kMenuCreatorQt,
                                          kMenuPropertyQAction, sizeof(action), 0, &action) == noErr) {
                    QWidget *widget = 0;
                    if (qApp->activePopupWidget())
                        widget = (qApp->activePopupWidget()->focusWidget() ?
                                  qApp->activePopupWidget()->focusWidget() : qApp->activePopupWidget());
                    else if (QApplicationPrivate::focus_widget)
                        widget = QApplicationPrivate::focus_widget;
                    if (widget) {
                        int key = action->action->shortcut();
                        QKeyEvent accel_ev(QEvent::ShortcutOverride, (key & (~Qt::KeyboardModifierMask)),
                                           Qt::KeyboardModifiers(key & Qt::KeyboardModifierMask));
                        accel_ev.ignore();
                        qt_sendSpontaneousEvent(widget, &accel_ev);
                        if (accel_ev.isAccepted()) {
                            handled_event = false;
                            break;
                        }
                    }
                }
            }
            handled_event = qt_mac_activate_action(cmd.menu.menuRef, cmd.commandID,
                                                   QAction::Trigger, context & kMenuContextKeyMatching);
        }
        break;
    case kEventClassMenu: {
        MenuRef menu;
        GetEventParameter(event, kEventParamDirectObject, typeMenuRef, NULL, sizeof(menu), NULL, &menu);
        if (ekind == kEventMenuMatchKey) {
            // Don't activate any actions if we are showing a native modal dialog,
            // the key events should go to the dialog in this case.
            if (QApplicationPrivate::native_modal_dialog_active)
                return menuItemNotFoundErr;

             handled_event = false;
        } else if (ekind == kEventMenuTargetItem) {
            MenuCommand command;
            GetEventParameter(event, kEventParamMenuCommand, typeMenuCommand,
                              0, sizeof(command), 0, &command);
            handled_event = qt_mac_activate_action(menu, command, QAction::Hover, false);
        } else if (ekind == kEventMenuOpening || ekind == kEventMenuClosed) {
            qt_mac_menus_open_count += (ekind == kEventMenuOpening) ? 1 : -1;
            MenuRef mr;
            GetEventParameter(event, kEventParamDirectObject, typeMenuRef,
                              0, sizeof(mr), 0, &mr);

            QWidget *widget = 0;
            if (GetMenuItemProperty(mr, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(widget), 0, &widget) == noErr) {
                if (QMenu *qmenu = qobject_cast<QMenu*>(widget)) {
                    handled_event = true;
                    if (ekind == kEventMenuOpening) {
                        emit qmenu->aboutToShow();

                        int merged = 0;
                        const QMenuPrivate::QMacMenuPrivate *mac_menu = qmenu->d_func()->mac_menu;
                        const int ActionItemsCount = mac_menu->actionItems.size();
                        for(int i = 0; i < ActionItemsCount; ++i) {
                            QMacMenuAction *action = mac_menu->actionItems.at(i);
                            if (action->action->isSeparator()) {
                                bool hide = false;
                                if(!action->action->isVisible()) {
                                    hide = true;
                                } else if (merged && merged == i) {
                                    hide = true;
                                } else {
                                    for(int l = i+1; l < mac_menu->actionItems.size(); ++l) {
                                        QMacMenuAction *action = mac_menu->actionItems.at(l);
                                        if (action->merged) {
                                            hide = true;
                                        } else if (action->action->isSeparator()) {
                                            if (hide)
                                                break;
                                        } else if (!action->merged) {
                                            hide = false;
                                            break;
                                        }
                                    }
                                }

                                const int index = qt_mac_menu_find_action(mr, action);
                                if (hide) {
                                    ++merged;
                                    ChangeMenuItemAttributes(mr, index, kMenuItemAttrHidden, 0);
                                } else {
                                    ChangeMenuItemAttributes(mr, index, 0, kMenuItemAttrHidden);
                                }
                            } else if (action->merged) {
                                ++merged;
                            }
                        }
                    } else {
                        emit qmenu->aboutToHide();
                    }
                }
            }
        } else {
            handled_event = false;
        }
        break; }
    default:
        handled_event = false;
        break;
    }
    if (!handled_event) //let the event go through
        return CallNextEventHandler(er, event);
    return noErr; //we eat the event
}
static EventHandlerRef mac_menu_event_handler = 0;
static EventHandlerUPP mac_menu_eventUPP = 0;
static void qt_mac_cleanup_menu_event()
{
    if (mac_menu_event_handler) {
        RemoveEventHandler(mac_menu_event_handler);
        mac_menu_event_handler = 0;
    }
    if (mac_menu_eventUPP) {
        DisposeEventHandlerUPP(mac_menu_eventUPP);
        mac_menu_eventUPP = 0;
    }
}
static inline void qt_mac_create_menu_event_handler()
{
    if (!mac_menu_event_handler) {
        mac_menu_eventUPP = NewEventHandlerUPP(qt_mac_menu_event);
        InstallEventHandler(GetApplicationEventTarget(), mac_menu_eventUPP,
                            GetEventTypeCount(menu_events), menu_events, 0,
                            &mac_menu_event_handler);
        qAddPostRoutine(qt_mac_cleanup_menu_event);
    }
}


//enabling of commands
static void qt_mac_command_set_enabled(MenuRef menu, UInt32 cmd, bool b)
{
    if (cmd == kHICommandQuit)
        qt_mac_quit_menu_item_enabled = b;

    if (b) {
        EnableMenuCommand(menu, cmd);
        if (MenuRef dock_menu = GetApplicationDockTileMenu())
            EnableMenuCommand(dock_menu, cmd);
    } else {
        DisableMenuCommand(menu, cmd);
        if (MenuRef dock_menu = GetApplicationDockTileMenu())
            DisableMenuCommand(dock_menu, cmd);
    }
}

static bool qt_mac_auto_apple_menu(MenuCommand cmd)
{
    return (cmd == kHICommandPreferences || cmd == kHICommandQuit);
}

static void qt_mac_get_accel(quint32 accel_key, quint32 *modif, quint32 *key) {
    if (modif) {
        *modif = constructModifierMask(accel_key);
    }

    accel_key &= ~(Qt::MODIFIER_MASK | Qt::UNICODE_ACCEL);
    if (key) {
        *key = 0;
        if (accel_key == Qt::Key_Return)
            *key = kMenuReturnGlyph;
        else if (accel_key == Qt::Key_Enter)
            *key = kMenuEnterGlyph;
        else if (accel_key == Qt::Key_Tab)
            *key = kMenuTabRightGlyph;
        else if (accel_key == Qt::Key_Backspace)
            *key = kMenuDeleteLeftGlyph;
        else if (accel_key == Qt::Key_Delete)
            *key = kMenuDeleteRightGlyph;
        else if (accel_key == Qt::Key_Escape)
            *key = kMenuEscapeGlyph;
        else if (accel_key == Qt::Key_PageUp)
            *key = kMenuPageUpGlyph;
        else if (accel_key == Qt::Key_PageDown)
            *key = kMenuPageDownGlyph;
        else if (accel_key == Qt::Key_Up)
            *key = kMenuUpArrowGlyph;
        else if (accel_key == Qt::Key_Down)
            *key = kMenuDownArrowGlyph;
        else if (accel_key == Qt::Key_Left)
            *key = kMenuLeftArrowGlyph;
        else if (accel_key == Qt::Key_Right)
            *key = kMenuRightArrowGlyph;
        else if (accel_key == Qt::Key_CapsLock)
            *key = kMenuCapsLockGlyph;
        else if (accel_key >= Qt::Key_F1 && accel_key <= Qt::Key_F15)
            *key = (accel_key - Qt::Key_F1) + kMenuF1Glyph;
        else if (accel_key == Qt::Key_Home)
            *key = kMenuNorthwestArrowGlyph;
        else if (accel_key == Qt::Key_End)
            *key = kMenuSoutheastArrowGlyph;
    }
}
#else // Cocoa
static inline void syncNSMenuItemVisiblity(NSMenuItem *menuItem, bool actionVisibility)
{
    [menuItem setHidden:NO];
    [menuItem setHidden:YES];
    [menuItem setHidden:!actionVisibility];
}

static inline void syncNSMenuItemEnabled(NSMenuItem *menuItem, bool enabled)
{
    [menuItem setEnabled:NO];
    [menuItem setEnabled:YES];
    [menuItem setEnabled:enabled];
}

static inline void syncMenuBarItemsVisiblity(const QMenuBarPrivate::QMacMenuBarPrivate *mac_menubar)
{
    const QList<QMacMenuAction *> &menubarActions = mac_menubar->actionItems;
    for (int i = 0; i < menubarActions.size(); ++i) {
        const QMacMenuAction *action = menubarActions.at(i);
        syncNSMenuItemVisiblity(action->menuItem, actualMenuItemVisibility(mac_menubar, action));
    }
}

static inline QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *getMenuLoader()
{
    return [NSApp QT_MANGLE_NAMESPACE(qt_qcocoamenuLoader)];
}

static NSMenuItem *createNSMenuItem(const QString &title)
{
    NSMenuItem *item = [[NSMenuItem alloc] 
                         initWithTitle:qt_mac_QStringToNSString(title)
                         action:@selector(qtDispatcherToQAction:) keyEquivalent:@""];
    [item setTarget:nil];
    return item;
}
#endif



// helper that recurses into a menu structure and en/dis-ables them
void qt_mac_set_modal_state_helper_recursive(OSMenuRef menu, OSMenuRef merge, bool on)
{
#ifndef QT_MAC_USE_COCOA
    for (int i = 0; i < CountMenuItems(menu); i++) {
        OSMenuRef submenu;
        GetMenuItemHierarchicalMenu(menu, i+1, &submenu);
        if (submenu != merge) {
            if (submenu)
                qt_mac_set_modal_state_helper_recursive(submenu, merge, on);
            if (on)
                DisableMenuItem(submenu, 0);
            else
                EnableMenuItem(submenu, 0);
        }
    }
#else
    bool modalWindowOnScreen = qApp->activeModalWidget() != 0;
    for (NSMenuItem *item in [menu itemArray]) {
        OSMenuRef submenu = [item submenu];
        if (submenu != merge) {
            if (submenu)
                qt_mac_set_modal_state_helper_recursive(submenu, merge, on);
            if (!on) {
                // The item should follow what the QAction has.
                if ([item tag]) {
                    QAction *action = reinterpret_cast<QAction *>([item tag]);
                    syncNSMenuItemEnabled(item, action->isEnabled());
                } else {
                    syncNSMenuItemEnabled(item, YES);
                }
                // We sneak in some extra code here to handle a menu problem:
                // If there is no window on screen, we cannot set 'nil' as
                // menu item target, because then cocoa will disable the item
                // (guess it assumes that there will be no first responder to
                // catch the trigger anyway?) OTOH, If we have a modal window,
                // then setting the menu loader as target will make cocoa not
                // deliver the trigger because the loader is then seen as modally
                // shaddowed). So either way there are shortcomings. Instead, we
                // decide the target as late as possible:
                [item setTarget:modalWindowOnScreen ? nil : getMenuLoader()];
            } else {
                syncNSMenuItemEnabled(item, NO);
            }
        }
    }
#endif
}

//toggling of modal state
static void qt_mac_set_modal_state(OSMenuRef menu, bool on)
{
#ifndef QT_MAC_USE_COCOA
    OSMenuRef merge = 0;
    GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyMergeMenu,
            sizeof(merge), 0, &merge);

    qt_mac_set_modal_state_helper_recursive(menu, merge, on);

    UInt32 commands[] = { kHICommandQuit, kHICommandPreferences, kHICommandAbout, kHICommandAboutQt, 0 };
    for(int c = 0; commands[c]; c++) {
        bool enabled = !on;
        if (enabled) {
            QMacMenuAction *action = 0;
            GetMenuCommandProperty(menu, commands[c], kMenuCreatorQt, kMenuPropertyQAction,
                    sizeof(action), 0, &action);
            if (!action && merge) {
                GetMenuCommandProperty(merge, commands[c], kMenuCreatorQt, kMenuPropertyQAction,
                        sizeof(action), 0, &action);
                if (!action) {
                    QMenuMergeList *list = 0;
                    GetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                            sizeof(list), 0, &list);
                    for(int i = 0; list && i < list->size(); ++i) {
                        QMenuMergeItem item = list->at(i);
                        if (item.command == commands[c] && item.action) {
                            action = item.action;
                            break;
                        }
                    }
                }
            }

            if (!action) {
                if (commands[c] != kHICommandQuit)
                    enabled = false;
            } else {
                enabled = action->action ? action->action->isEnabled() : 0;
            }
        }
        qt_mac_command_set_enabled(menu, commands[c], enabled);
    }
#else
    OSMenuRef merge = QMenuPrivate::mergeMenuHash.value(menu);
    qt_mac_set_modal_state_helper_recursive(menu, merge, on);
    // I'm ignoring the special items now, since they should get handled via a syncAction()
#endif
}

bool qt_mac_menubar_is_open()
{
    return qt_mac_menus_open_count > 0;
}

QMacMenuAction::~QMacMenuAction()
{
#ifdef QT_MAC_USE_COCOA
    [menu release];
    // Update the menu item if this action still owns it. For some items
    // (like 'Quit') ownership will be transferred between all menu bars...
    if (action && action.data() == reinterpret_cast<QAction *>([menuItem tag])) {
        QAction::MenuRole role = action->menuRole();
        // Check if the item is owned by Qt, and should be hidden to keep it from causing
        // problems. Do it for everything but the quit menu item since that should always
        // be visible.
        if (role > QAction::ApplicationSpecificRole && role < QAction::QuitRole) {
            [menuItem setHidden:YES];
        } else if (role == QAction::TextHeuristicRole
                   && menuItem != [getMenuLoader() quitMenuItem]) {
            [menuItem setHidden:YES];
        }
        [menuItem setTag:nil];
    }
    [menuItem release];
#endif
}

#ifndef QT_MAC_USE_COCOA
static MenuCommand qt_mac_menu_merge_action(MenuRef merge, QMacMenuAction *action)
#else
static NSMenuItem *qt_mac_menu_merge_action(OSMenuRef merge, QMacMenuAction *action)
#endif
{
    if (qt_mac_no_menubar_merge || action->action->menu() || action->action->isSeparator()
            || action->action->menuRole() == QAction::NoRole)
        return 0;

    QString t = qt_mac_removeMnemonics(action->action->text().toLower());
    int st = t.lastIndexOf(QLatin1Char('\t'));
    if (st != -1)
        t.remove(st, t.length()-st);
    t.replace(QRegExp(QString::fromLatin1("\\.*$")), QLatin1String("")); //no ellipses
    //now the fun part
#ifndef QT_MAC_USE_COCOA
    MenuCommand ret = 0;
#else
    NSMenuItem *ret = 0;
    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
#endif
    switch (action->action->menuRole()) {
    case QAction::NoRole:
        ret = 0;
        break;
    case QAction::ApplicationSpecificRole:
#ifndef QT_MAC_USE_COCOA
        {
            QMenuMergeList *list = 0;
            if (GetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                        sizeof(list), 0, &list) == noErr && list) {
                MenuCommand lastCustom = kHICommandCustomMerge;
                for(int i = 0; i < list->size(); ++i) {
                    QMenuMergeItem item = list->at(i);
                    if (item.command == lastCustom)
                        ++lastCustom;
                }
                ret = lastCustom;
            } else {
                // The list hasn't been created, so, must be the first one.
                ret = kHICommandCustomMerge;
            }
        }
#else
        ret = [loader appSpecificMenuItem];
#endif
        break;
    case QAction::AboutRole:
#ifndef QT_MAC_USE_COCOA
        ret = kHICommandAbout;
#else
        ret = [loader aboutMenuItem];
#endif
        break;
    case QAction::AboutQtRole:
#ifndef QT_MAC_USE_COCOA
        ret = kHICommandAboutQt;
#else
        ret = [loader aboutQtMenuItem];
#endif
        break;
    case QAction::QuitRole:
#ifndef QT_MAC_USE_COCOA
        ret = kHICommandQuit;
#else
        ret = [loader quitMenuItem];
#endif
        break;
    case QAction::PreferencesRole:
#ifndef QT_MAC_USE_COCOA
        ret = kHICommandPreferences;
#else
        ret = [loader preferencesMenuItem];
#endif
        break;
    case QAction::TextHeuristicRole: {
        QString aboutString = QMenuBar::tr("About").toLower();
        if (t.startsWith(aboutString) || t.endsWith(aboutString)) {
            if (t.indexOf(QRegExp(QString::fromLatin1("qt$"), Qt::CaseInsensitive)) == -1) {
#ifndef QT_MAC_USE_COCOA
                ret = kHICommandAbout;
#else
                ret = [loader aboutMenuItem];
#endif
            } else {
#ifndef QT_MAC_USE_COCOA
                ret = kHICommandAboutQt;
#else
                ret = [loader aboutQtMenuItem];
#endif
            }
        } else if (t.startsWith(QMenuBar::tr("Config").toLower())
                   || t.startsWith(QMenuBar::tr("Preference").toLower())
                   || t.startsWith(QMenuBar::tr("Options").toLower())
                   || t.startsWith(QMenuBar::tr("Setting").toLower())
                   || t.startsWith(QMenuBar::tr("Setup").toLower())) {
#ifndef QT_MAC_USE_COCOA
            ret = kHICommandPreferences;
#else
            ret = [loader preferencesMenuItem];
#endif
        } else if (t.startsWith(QMenuBar::tr("Quit").toLower())
                   || t.startsWith(QMenuBar::tr("Exit").toLower())) {
#ifndef QT_MAC_USE_COCOA
            ret = kHICommandQuit;
#else
            ret = [loader quitMenuItem];
#endif
        }
    }
        break;
    }

#ifndef QT_MAC_USE_COCOA
    QMenuMergeList *list = 0;
    if (GetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                           sizeof(list), 0, &list) == noErr && list) {
        for(int i = 0; i < list->size(); ++i) {
            QMenuMergeItem item = list->at(i);
            if (item.command == ret && item.action)
                return 0;
        }
    }

    QAction *cmd_action = 0;
    if (GetMenuCommandProperty(merge, ret, kMenuCreatorQt, kMenuPropertyQAction,
                              sizeof(cmd_action), 0, &cmd_action) == noErr && cmd_action)
        return 0; //already taken
#else
    if (QMenuMergeList *list = QMenuPrivate::mergeMenuItemsHash.value(merge)) {
        for(int i = 0; i < list->size(); ++i) {
            const QMenuMergeItem &item = list->at(i);
            if (item.menuItem == ret && item.action)
                return 0;
        }
    }

#endif
    return ret;
}

static QString qt_mac_menu_merge_text(QMacMenuAction *action)
{
    QString ret;
    extern QString qt_mac_applicationmenu_string(int type);
#ifdef QT_MAC_USE_COCOA
    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
#endif
    if (action->action->menuRole() == QAction::ApplicationSpecificRole)
        ret = action->action->text();
#ifndef QT_MAC_USE_COCOA
    else if (action->command == kHICommandAbout)
        ret = qt_mac_applicationmenu_string(6).arg(qAppName());
    else if (action->command == kHICommandAboutQt)
        ret = QMenuBar::tr("About Qt");
    else if (action->command == kHICommandPreferences)
        ret = qt_mac_applicationmenu_string(4);
    else if (action->command == kHICommandQuit)
        ret = qt_mac_applicationmenu_string(5).arg(qAppName());
#else
    else if (action->menuItem == [loader aboutMenuItem]) {
        ret = qt_mac_applicationmenu_string(6).arg(qAppName());
    } else if (action->menuItem == [loader aboutQtMenuItem]) {
        if (action->action->text() == QString("About Qt"))
            ret = QMenuBar::tr("About Qt");
        else
            ret = action->action->text();
    } else if (action->menuItem == [loader preferencesMenuItem]) {
        ret = qt_mac_applicationmenu_string(4);
    } else if (action->menuItem == [loader quitMenuItem]) {
        ret = qt_mac_applicationmenu_string(5).arg(qAppName());
    }
#endif
    return ret;
}

static QKeySequence qt_mac_menu_merge_accel(QMacMenuAction *action)
{
    QKeySequence ret;
#ifdef QT_MAC_USE_COCOA
    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
#endif
    if (action->action->menuRole() == QAction::ApplicationSpecificRole)
        ret = action->action->shortcut();
#ifndef QT_MAC_USE_COCOA
    else if (action->command == kHICommandPreferences)
        ret = QKeySequence(QKeySequence::Preferences);
    else if (action->command == kHICommandQuit)
        ret = QKeySequence(QKeySequence::Quit);
#else
    else if (action->menuItem == [loader preferencesMenuItem])
        ret = QKeySequence(QKeySequence::Preferences);
    else if (action->menuItem == [loader quitMenuItem])
        ret = QKeySequence(QKeySequence::Quit);
#endif
    return ret;
}

void Q_GUI_EXPORT qt_mac_set_menubar_icons(bool b)
{ QApplication::instance()->setAttribute(Qt::AA_DontShowIconsInMenus, !b); }
void Q_GUI_EXPORT qt_mac_set_native_menubar(bool b)
{  QApplication::instance()->setAttribute(Qt::AA_DontUseNativeMenuBar, !b); }
void Q_GUI_EXPORT qt_mac_set_menubar_merge(bool b) { qt_mac_no_menubar_merge = !b; }

/*****************************************************************************
  QMenu bindings
 *****************************************************************************/
QMenuPrivate::QMacMenuPrivate::QMacMenuPrivate() : menu(0)
{
}

QMenuPrivate::QMacMenuPrivate::~QMacMenuPrivate()
{
#ifndef QT_MAC_USE_COCOA
    for(QList<QMacMenuAction*>::Iterator it = actionItems.begin(); it != actionItems.end(); ++it) {
        QMacMenuAction *action = (*it);
        RemoveMenuCommandProperty(action->menu, action->command, kMenuCreatorQt, kMenuPropertyQAction);
        if (action->merged) {
            QMenuMergeList *list = 0;
            GetMenuItemProperty(action->menu, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                                sizeof(list), 0, &list);
            for(int i = 0; list && i < list->size(); ) {
                QMenuMergeItem item = list->at(i);
                if (item.action == action)
                    list->removeAt(i);
                else
                    ++i;
            }
        }
        delete action;
    }
    if (menu) {
        EventHandlerHash::iterator it = menu_eventHandlers_hash()->find(menu);
        while (it != menu_eventHandlers_hash()->end() && it.key() == menu) {
            RemoveEventHandler(it.value());
            ++it;
        }
        menu_eventHandlers_hash()->remove(menu);
        ReleaseMenu(menu);
    }
#else
    QMacCocoaAutoReleasePool pool;
    while (actionItems.size()) {
        QMacMenuAction *action = actionItems.takeFirst();
        if (QMenuMergeList *list = mergeMenuItemsHash.value(action->menu)) {
            int i = 0;
            while (i < list->size()) {
                const QMenuMergeItem &item = list->at(i);
                if (item.action == action)
                    list->removeAt(i);
                else
                    ++i;
            }
        }
        delete action;
    }
    mergeMenuHash.remove(menu);
    mergeMenuItemsHash.remove(menu);
    [menu release];
#endif
}

void
QMenuPrivate::QMacMenuPrivate::addAction(QAction *a, QMacMenuAction *before, QMenuPrivate *qmenu)
{
    QMacMenuAction *action = new QMacMenuAction;
    action->action = a;
    action->ignore_accel = 0;
    action->merged = 0;
    action->menu = 0;
#ifndef QT_MAC_USE_COCOA
    action->command = qt_mac_menu_static_cmd_id++;
#endif
    addAction(action, before, qmenu);
}

void
QMenuPrivate::QMacMenuPrivate::addAction(QMacMenuAction *action, QMacMenuAction *before, QMenuPrivate *qmenu)
{
#ifdef QT_MAC_USE_COCOA
    QMacCocoaAutoReleasePool pool;
    Q_UNUSED(qmenu);
#endif
    if (!action)
        return;
    int before_index = actionItems.indexOf(before);
    if (before_index < 0) {
        before = 0;
        before_index = actionItems.size();
    }
    actionItems.insert(before_index, action);

#ifndef QT_MAC_USE_COCOA
    int index = qt_mac_menu_find_action(menu, action);
#else
    [menu retain];
    [action->menu release];
#endif
    action->menu = menu;

    /* When the action is considered a mergable action it
       will stay that way, until removed.. */
    if (!qt_mac_no_menubar_merge) {
#ifndef QT_MAC_USE_COCOA
        MenuRef merge = 0;
        GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyMergeMenu,
                            sizeof(merge), 0, &merge);
#else
        OSMenuRef merge = QMenuPrivate::mergeMenuHash.value(menu);
#endif
        if (merge) {
#ifndef QT_MAC_USE_COCOA
            if (MenuCommand cmd = qt_mac_menu_merge_action(merge, action)) {
                action->merged = 1;
                action->menu = merge;
                action->command = cmd;
                if (qt_mac_auto_apple_menu(cmd))
                    index = 0; //no need

                QMenuMergeList *list = 0;
                if (GetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                                       sizeof(list), 0, &list) != noErr || !list) {
                    list = new QMenuMergeList;
                    SetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                                        sizeof(list), &list);
                }
                list->append(QMenuMergeItem(cmd, action));
            }
#else
            if (NSMenuItem *cmd = qt_mac_menu_merge_action(merge, action)) {
                action->merged = 1;
                [merge retain];
                [action->menu release];
                action->menu = merge;
                [cmd retain];
                [cmd setAction:@selector(qtDispatcherToQAction:)];
                [cmd setTarget:nil];
                [action->menuItem release];
                action->menuItem = cmd;
                QMenuMergeList *list = QMenuPrivate::mergeMenuItemsHash.value(merge);
                if (!list) {
                    list = new QMenuMergeList;
                    QMenuPrivate::mergeMenuItemsHash.insert(merge, list);
                }
                list->append(QMenuMergeItem(cmd, action));
            }
#endif
        }
    }

#ifdef QT_MAC_USE_COCOA
    NSMenuItem *newItem = action->menuItem;
#endif
    if (
#ifndef QT_MAC_USE_COCOA
        index == -1
#else
        newItem == 0
#endif
       ) {
#ifndef QT_MAC_USE_COCOA
        index = before_index;
        MenuItemAttributes attr = kMenuItemAttrAutoRepeat;
#else
        newItem = createNSMenuItem(action->action->text());
        action->menuItem = newItem;
#endif
        if (before) {
#ifndef QT_MAC_USE_COCOA
            InsertMenuItemTextWithCFString(action->menu, 0, qMax(before_index, 0), attr, action->command);
#else
            [menu insertItem:newItem atIndex:qMax(before_index, 0)];
#endif
        } else {
#ifndef QT_MAC_USE_COCOA
            // Append the menu item to the menu. If it is a kHICommandAbout or a kHICommandAboutQt append
            // a separator also (to get a separator above "Preferences"), but make sure that we don't
            // add separators between two "about" items.

            // Build a set of all commands that could possibly be before the separator.
            QSet<MenuCommand> mergedItems;
            mergedItems.insert(kHICommandAbout);
            mergedItems.insert(kHICommandAboutQt);
            mergedItems.insert(kHICommandCustomMerge);

            QMenuMergeList *list = 0;
            if (GetMenuItemProperty(action->menu, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                        sizeof(list), 0, &list) == noErr && list) {
                for (int i = 0; i < list->size(); ++i) {
                    MenuCommand command = list->at(i).command;
                    if (command > kHICommandCustomMerge) {
                        mergedItems.insert(command);
                    }
                }
            }

            const int itemCount = CountMenuItems(action->menu);
            MenuItemAttributes testattr;
            GetMenuItemAttributes(action->menu, itemCount , &testattr);
            if (mergedItems.contains(action->command)
                 && (testattr & kMenuItemAttrSeparator)) {
                InsertMenuItemTextWithCFString(action->menu, 0, qMax(itemCount - 1, 0), attr, action->command);
                index = itemCount;
            } else {
                MenuItemIndex tmpIndex;
                AppendMenuItemTextWithCFString(action->menu, 0, attr, action->command, &tmpIndex);
                index = tmpIndex;
                if (mergedItems.contains(action->command))
                    AppendMenuItemTextWithCFString(action->menu, 0, kMenuItemAttrSeparator, 0, &tmpIndex);
            }
#else
            [menu addItem:newItem];
#endif
        }

        QWidget *widget = qmenu ? qmenu->widgetItems.value(action->action) : 0;
        if (widget) {
#ifndef QT_MAC_USE_COCOA
            ChangeMenuAttributes(action->menu, kMenuAttrDoNotCacheImage, 0);
            attr = kMenuItemAttrCustomDraw;
            SetMenuItemProperty(action->menu, index, kMenuCreatorQt, kMenuPropertyWidgetActionWidget,
                                sizeof(QWidget *), &widget);
            HIViewRef content;
            HIMenuGetContentView(action->menu, kThemeMenuTypePullDown, &content);

            EventHandlerRef eventHandlerRef;
            InstallMenuEventHandler(action->menu, qt_mac_widget_in_menu_eventHandler,
                                    GetEventTypeCount(widget_in_menu_events),
                                    widget_in_menu_events, 0, &eventHandlerRef);
            menu_eventHandlers_hash()->insert(action->menu, eventHandlerRef);

            QWidget *menuWidget = 0;
            GetMenuItemProperty(action->menu, 0, kMenuCreatorQt, kMenuPropertyWidgetMenu,
                                sizeof(menuWidget), 0, &menuWidget);
            if(!menuWidget) {
                menuWidget = new QMacNativeWidget(content);
                SetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyWidgetMenu,
                                    sizeof(menuWidget), &menuWidget);
                menuWidget->show();
            }
            widget->setParent(menuWidget);
#else
            QMacNativeWidget *container = new QMacNativeWidget(0);
            container->resize(widget->sizeHint());
            widget->setAttribute(Qt::WA_LayoutUsesWidgetRect);
            widget->setParent(container);

            NSView *containerView = qt_mac_nativeview_for(container);
            [containerView setAutoresizesSubviews:YES];
            [containerView setAutoresizingMask:NSViewWidthSizable];
            [qt_mac_nativeview_for(widget) setAutoresizingMask:NSViewWidthSizable];

            [newItem setView:containerView];
            container->show();
#endif
            widget->show();
        }

    } else {
#ifndef QT_MAC_USE_COCOA
        qt_mac_command_set_enabled(action->menu, action->command, !QApplicationPrivate::modalState());
#else
        [newItem setEnabled:!QApplicationPrivate::modalState()];
#endif
    }
#ifndef QT_MAC_USE_COCOA
    SetMenuCommandProperty(action->menu, action->command, kMenuCreatorQt, kMenuPropertyQAction,
                           sizeof(action), &action);
#else
    [newItem setTag:long(static_cast<QAction *>(action->action))];
#endif
    syncAction(action);
}

// return an autoreleased string given a QKeySequence (currently only looks at the first one).
NSString *keySequenceToKeyEqivalent(const QKeySequence &accel)
{
    quint32 accel_key = (accel[0] & ~(Qt::MODIFIER_MASK | Qt::UNICODE_ACCEL));
    extern QChar qtKey2CocoaKey(Qt::Key key);
    QChar cocoa_key = qtKey2CocoaKey(Qt::Key(accel_key));
    if (cocoa_key.isNull())
        cocoa_key = QChar(accel_key).toLower().unicode();
    return [NSString stringWithCharacters:&cocoa_key.unicode() length:1];
}

// return the cocoa modifier mask for the QKeySequence (currently only looks at the first one).
NSUInteger keySequenceModifierMask(const QKeySequence &accel)
{
    return constructModifierMask(accel[0]);
}

void
QMenuPrivate::QMacMenuPrivate::syncAction(QMacMenuAction *action)
{
    if (!action)
        return;

#ifndef QT_MAC_USE_COCOA
    const int index = qt_mac_menu_find_action(action->menu, action);
    if (index == -1)
        return;
#else
    NSMenuItem *item = action->menuItem;
    if (!item)
        return;
#endif

#ifndef QT_MAC_USE_COCOA
    if (!action->action->isVisible()) {
        ChangeMenuItemAttributes(action->menu, index, kMenuItemAttrHidden, 0);
        return;
    }
    ChangeMenuItemAttributes(action->menu, index, 0, kMenuItemAttrHidden);
#else
    QMacCocoaAutoReleasePool pool;
    NSMenu *menu = [item menu];
    bool actionVisible = action->action->isVisible();
    [item setHidden:!actionVisible];
    if (!actionVisible)
        return;
#endif

#ifndef QT_MAC_USE_COCOA
    if (action->action->isSeparator()) {
        ChangeMenuItemAttributes(action->menu, index, kMenuItemAttrSeparator, 0);
        return;
    }
    ChangeMenuItemAttributes(action->menu, index, 0, kMenuItemAttrSeparator);
#else
    int itemIndex = [menu indexOfItem:item];
    Q_ASSERT(itemIndex != -1);
    if (action->action->isSeparator()) {
        action->menuItem = [NSMenuItem separatorItem];
        [action->menuItem retain];
        [menu insertItem: action->menuItem atIndex:itemIndex];
        [menu removeItem:item];
        [item release];
        item = action->menuItem;
        return;
    } else if ([item isSeparatorItem]) {
        // I'm no longer a separator...
        action->menuItem = createNSMenuItem(action->action->text());
        [menu insertItem:action->menuItem atIndex:itemIndex];
        [menu removeItem:item];
        [item release];
        item = action->menuItem;
    }
#endif

    //find text (and accel)
    action->ignore_accel = 0;
    QString text = action->action->text();
    QKeySequence accel = action->action->shortcut();
    {
        int st = text.lastIndexOf(QLatin1Char('\t'));
        if (st != -1) {
            action->ignore_accel = 1;
            accel = QKeySequence(text.right(text.length()-(st+1)));
            text.remove(st, text.length()-st);
        }
    }
    {
        QString cmd_text = qt_mac_menu_merge_text(action);
        if (!cmd_text.isEmpty()) {
            text = cmd_text;
            accel = qt_mac_menu_merge_accel(action);
        }
    }
    // Show multiple key sequences as part of the menu text.
    if (accel.count() > 1)
        text += QLatin1String(" (") + accel.toString(QKeySequence::NativeText) + QLatin1String(")");

    QString finalString = qt_mac_removeMnemonics(text);

#ifndef QT_MAC_USE_COCOA
    MenuItemDataRec data;
    memset(&data, '\0', sizeof(data));

    //Carbon text
    data.whichData |= kMenuItemDataCFString;
    QCFString cfstring(finalString);  // Hold the reference to the end of the function.
    data.cfText = cfstring;

    // Carbon enabled
    data.whichData |= kMenuItemDataEnabled;
    data.enabled = action->action->isEnabled();
    // Carbon icon
    data.whichData |= kMenuItemDataIconHandle;
    if (!action->action->icon().isNull()
            && action->action->isIconVisibleInMenu()) {
        data.iconType = kMenuIconRefType;
        data.iconHandle = (Handle)qt_mac_create_iconref(action->action->icon().pixmap(16, QIcon::Normal));
    } else {
        data.iconType = kMenuNoIcon;
    }
    if (action->action->font().resolve()) { // Carbon font
        if (action->action->font().bold())
            data.style |= bold;
        if (action->action->font().underline())
            data.style |= underline;
        if (action->action->font().italic())
            data.style |= italic;
        if (data.style)
            data.whichData |= kMenuItemDataStyle;
        data.whichData |= kMenuItemDataFontID;
        data.fontID = action->action->font().macFontID();
    }
#else
    // Cocoa Font and title
    if (action->action->font().resolve()) {
        const QFont &actionFont = action->action->font();
        NSFont *customMenuFont = [NSFont fontWithName:qt_mac_QStringToNSString(actionFont.family())
                                  size:actionFont.pointSize()];
        NSArray *keys = [NSArray arrayWithObjects:NSFontAttributeName, nil];
        NSArray *objects = [NSArray arrayWithObjects:customMenuFont, nil];
        NSDictionary *attributes = [NSDictionary dictionaryWithObjects:objects forKeys:keys];
        NSAttributedString *str = [[[NSAttributedString alloc] initWithString:qt_mac_QStringToNSString(finalString)
                                 attributes:attributes] autorelease];
       [item setAttributedTitle: str];
    } else {
        [item setTitle: qt_mac_QStringToNSString(finalString)];
    }

    if (action->action->menuRole() == QAction::AboutRole || action->action->menuRole() == QAction::QuitRole)
        [item setTitle:qt_mac_QStringToNSString(text)];
    else
        [item setTitle:qt_mac_QStringToNSString(qt_mac_removeMnemonics(text))];

    // Cocoa Enabled
    [item setEnabled: action->action->isEnabled()];

    // Cocoa icon
    NSImage *nsimage = 0;
    if (!action->action->icon().isNull() && action->action->isIconVisibleInMenu()) {
        nsimage = static_cast<NSImage *>(qt_mac_create_nsimage(action->action->icon().pixmap(16, QIcon::Normal)));
    }
    [item setImage:nsimage];
    [nsimage release];
#endif

    if (action->action->menu()) { //submenu
#ifndef QT_MAC_USE_COCOA
        data.whichData |= kMenuItemDataSubmenuHandle;
        data.submenuHandle = action->action->menu()->macMenu();
        QWidget *caused = 0;
        GetMenuItemProperty(action->menu, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(caused), 0, &caused);
        SetMenuItemProperty(data.submenuHandle, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget, sizeof(caused), &caused);
#else
        NSMenu *subMenu  = static_cast<NSMenu *>(action->action->menu()->macMenu());
        if ([subMenu supermenu] && [subMenu supermenu] != [item menu]) {
            // The menu is already a sub-menu of another one. Cocoa will throw an exception,
            // in such cases. For the time being, a new QMenu with same set of actions is the
            // only workaround.
            action->action->setEnabled(false);
        } else {
            [item setSubmenu:subMenu];
        }
#endif
    } else { //respect some other items
#ifndef QT_MAC_USE_COCOA
        //shortcuts (say we are setting them all so that we can also clear them).
        data.whichData |= kMenuItemDataCmdKey;
        data.whichData |= kMenuItemDataCmdKeyModifiers;
        data.whichData |= kMenuItemDataCmdKeyGlyph;
        if (accel.count() == 1) {
            qt_mac_get_accel(accel[0], (quint32*)&data.cmdKeyModifiers, (quint32*)&data.cmdKeyGlyph);
            if (data.cmdKeyGlyph == 0)
                data.cmdKey = (UniChar)accel[0];
        }
#else
        [item setSubmenu:0];
        // No key equivalent set for multiple key QKeySequence.
        if (accel.count() == 1) {
            [item setKeyEquivalent:keySequenceToKeyEqivalent(accel)];
            [item setKeyEquivalentModifierMask:keySequenceModifierMask(accel)];
        } else {
            [item setKeyEquivalent:@""];
            [item setKeyEquivalentModifierMask:NSCommandKeyMask];
        }
#endif
    }
#ifndef QT_MAC_USE_COCOA
    //mark glyph
    data.whichData |= kMenuItemDataMark;
    if (action->action->isChecked()) {
#if 0
        if (action->action->actionGroup() &&
           action->action->actionGroup()->isExclusive())
            data.mark = diamondMark;
        else
#endif
            data.mark = checkMark;
    } else {
        data.mark = noMark;
    }

    //actually set it
    SetMenuItemData(action->menu, action->command, true, &data);

    // Free up memory
    if (data.iconHandle)
        ReleaseIconRef(IconRef(data.iconHandle));
#else
    //mark glyph
    [item setState:action->action->isChecked() ?  NSOnState : NSOffState];
#endif
}

void
QMenuPrivate::QMacMenuPrivate::removeAction(QMacMenuAction *action)
{
    if (!action)
        return;
#ifndef QT_MAC_USE_COCOA
    if (action->command == kHICommandQuit || action->command == kHICommandPreferences)
        qt_mac_command_set_enabled(action->menu, action->command, false);
    else
        DeleteMenuItem(action->menu, qt_mac_menu_find_action(action->menu, action));
#else
    QMacCocoaAutoReleasePool pool;
    if (action->merged) {
        if (reinterpret_cast<QAction *>([action->menuItem tag]) == action->action) {
            QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
            [action->menuItem setEnabled:false];
            if (action->menuItem != [loader quitMenuItem]
                && action->menuItem != [loader preferencesMenuItem]) {
                [[action->menuItem menu] removeItem:action->menuItem];
            }
        }
    } else {
        [[action->menuItem menu] removeItem:action->menuItem];
    }
#endif
    actionItems.removeAll(action);
}

OSMenuRef
QMenuPrivate::macMenu(OSMenuRef merge)
{
    Q_UNUSED(merge);
    Q_Q(QMenu);
    if (mac_menu && mac_menu->menu)
        return mac_menu->menu;
    if (!mac_menu)
        mac_menu = new QMacMenuPrivate;
    mac_menu->menu = qt_mac_create_menu(q);
    if (merge) {
#ifndef QT_MAC_USE_COCOA
        SetMenuItemProperty(mac_menu->menu, 0, kMenuCreatorQt, kMenuPropertyMergeMenu, sizeof(merge), &merge);
#else
        mergeMenuHash.insert(mac_menu->menu, merge);
#endif
    }
    QList<QAction*> items = q->actions();
    for(int i = 0; i < items.count(); i++)
        mac_menu->addAction(items[i], 0, this);
    syncSeparatorsCollapsible(collapsibleSeparators);
    return mac_menu->menu;
}

/*!
  \internal
*/
void
QMenuPrivate::syncSeparatorsCollapsible(bool collapse)
{
#ifndef QT_MAC_USE_COCOA
    if (collapse)
        ChangeMenuAttributes(mac_menu->menu, kMenuAttrCondenseSeparators, 0);
    else
        ChangeMenuAttributes(mac_menu->menu, 0, kMenuAttrCondenseSeparators);
#else
    qt_mac_menu_collapseSeparators(mac_menu->menu, collapse);
#endif
}



/*!
  \internal
*/
void QMenuPrivate::setMacMenuEnabled(bool enable)
{
    if (!macMenu(0))
        return;

    QMacCocoaAutoReleasePool pool;
    if (enable) {
        for (int i = 0; i < mac_menu->actionItems.count(); ++i) {
            QMacMenuAction *menuItem = mac_menu->actionItems.at(i);
            if (menuItem && menuItem->action && menuItem->action->isEnabled()) {
#ifndef QT_MAC_USE_COCOA
                // Only enable those items which contains an enabled QAction.
                // i == 0 -> the menu itself, hence i + 1 for items.
                EnableMenuItem(mac_menu->menu, i + 1);
#else
                [menuItem->menuItem setEnabled:true];
#endif
            }
        }
    } else {
#ifndef QT_MAC_USE_COCOA
        DisableAllMenuItems(mac_menu->menu);
#else
        NSMenu *menu = mac_menu->menu;
        for (NSMenuItem *item in [menu itemArray]) {
            [item setEnabled:false];
        }
#endif
    }
}

/*!
    \internal

    This function will return the OSMenuRef used to create the native menu bar
    bindings.

    If Qt is built against Carbon, the OSMenuRef is a MenuRef that can be used
    with Carbon's Menu Manager API.

    If Qt is built against Cocoa, the OSMenuRef is a NSMenu pointer.

    \warning This function is not portable.

    \sa QMenuBar::macMenu()
*/
OSMenuRef QMenu::macMenu(OSMenuRef merge) { return d_func()->macMenu(merge); }

/*****************************************************************************
  QMenuBar bindings
 *****************************************************************************/
typedef QHash<QWidget *, QMenuBar *> MenuBarHash;
Q_GLOBAL_STATIC(MenuBarHash, menubars)
static QMenuBar *fallback = 0;
QMenuBarPrivate::QMacMenuBarPrivate::QMacMenuBarPrivate() : menu(0), apple_menu(0)
{
}

QMenuBarPrivate::QMacMenuBarPrivate::~QMacMenuBarPrivate()
{
    for(QList<QMacMenuAction*>::Iterator it = actionItems.begin(); it != actionItems.end(); ++it)
        delete (*it);
#ifndef QT_MAC_USE_COCOA
    if (apple_menu) {
        QMenuMergeList *list = 0;
        GetMenuItemProperty(apple_menu, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                            sizeof(list), 0, &list);
        if (list) {
            RemoveMenuItemProperty(apple_menu, 0, kMenuCreatorQt, kMenuPropertyMergeList);
            delete list;
        }
        ReleaseMenu(apple_menu);
    }
    if (menu)
        ReleaseMenu(menu);
#else
    [apple_menu release];
    [menu release];
#endif
}

void
QMenuBarPrivate::QMacMenuBarPrivate::addAction(QAction *a, QAction *before)
{
    if (a->isSeparator() || !menu)
        return;
    QMacMenuAction *action = new QMacMenuAction;
    action->action = a;
    action->ignore_accel = 1;
#ifndef QT_MAC_USE_COCOA
    action->command = qt_mac_menu_static_cmd_id++;
#endif
    addAction(action, findAction(before));
}

void
QMenuBarPrivate::QMacMenuBarPrivate::addAction(QMacMenuAction *action, QMacMenuAction *before)
{
    if (!action || !menu)
        return;

    int before_index = actionItems.indexOf(before);
    if (before_index < 0) {
        before = 0;
        before_index = actionItems.size();
    }
    actionItems.insert(before_index, action);

    MenuItemIndex index = actionItems.size()-1;

    action->menu = menu;
#ifdef QT_MAC_USE_COCOA
    QMacCocoaAutoReleasePool pool;
    [action->menu retain];
    NSMenuItem *newItem = createNSMenuItem(action->action->text());
    action->menuItem = newItem;
#endif
    if (before) {
#ifndef QT_MAC_USE_COCOA
        InsertMenuItemTextWithCFString(action->menu, 0, qMax(1, before_index+1), 0, action->command);
#else
        [menu insertItem:newItem atIndex:qMax(1, before_index + 1)];
#endif
        index = before_index;
    } else {
#ifndef QT_MAC_USE_COCOA
        AppendMenuItemTextWithCFString(action->menu, 0, 0, action->command, &index);
#else
        [menu addItem:newItem];
#endif
    }
#ifndef QT_MAC_USE_COCOA
    SetMenuItemProperty(action->menu, index, kMenuCreatorQt, kMenuPropertyQAction, sizeof(action),
                        &action);
#else
    [newItem setTag:long(static_cast<QAction *>(action->action))];
#endif
    syncAction(action);
}

void
QMenuBarPrivate::QMacMenuBarPrivate::syncAction(QMacMenuAction *action)
{
    if (!action || !menu)
        return;
#ifndef QT_MAC_USE_COCOA
    const int index = qt_mac_menu_find_action(action->menu, action);
#else
    QMacCocoaAutoReleasePool pool;
    NSMenuItem *item = action->menuItem;
#endif

    OSMenuRef submenu = 0;
    bool release_submenu = false;
    if (action->action->menu()) {
        if ((submenu = action->action->menu()->macMenu(apple_menu))) {
#ifndef QT_MAC_USE_COCOA
            QWidget *caused = 0;
            GetMenuItemProperty(action->menu, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(caused), 0, &caused);
            SetMenuItemProperty(submenu, 0, kMenuCreatorQt, kMenuPropertyCausedQWidget, sizeof(caused), &caused);
#else
            if ([submenu supermenu] && [submenu supermenu] != [item menu])
                return;
            else
                [item setSubmenu:submenu];
#endif
        }
#ifndef QT_MAC_USE_COCOA
    } else { // create a submenu to act as menu
        release_submenu = true;
        CreateNewMenu(0, 0, &submenu);
#endif
    }

    if (submenu) {
        bool visible = actualMenuItemVisibility(this, action);
#ifndef QT_MAC_USE_COCOA
        SetMenuItemHierarchicalMenu(action->menu, index, submenu);
        SetMenuTitleWithCFString(submenu, QCFString(qt_mac_removeMnemonics(action->action->text())));
        if (visible)
            ChangeMenuAttributes(submenu, 0, kMenuAttrHidden);
        else
            ChangeMenuAttributes(submenu, kMenuAttrHidden, 0);
#else
        [item setSubmenu: submenu];
        [submenu setTitle:qt_mac_QStringToNSString(qt_mac_removeMnemonics(action->action->text()))];
        syncNSMenuItemVisiblity(item, visible);
#endif
        if (release_submenu) { //no pointers to it
#ifndef QT_MAC_USE_COCOA
            ReleaseMenu(submenu);
#else
            [submenu release];
#endif
        }
    } else {
        qWarning("QMenu: No OSMenuRef created for popup menu");
    }
}

void
QMenuBarPrivate::QMacMenuBarPrivate::removeAction(QMacMenuAction *action)
{
    if (!action || !menu)
        return;
#ifndef QT_MAC_USE_COCOA
    DeleteMenuItem(action->menu, qt_mac_menu_find_action(action->menu, action));
#else
    QMacCocoaAutoReleasePool pool;
    [action->menu removeItem:action->menuItem];
#endif
    actionItems.removeAll(action);
}

bool QMenuBarPrivate::macWidgetHasNativeMenubar(QWidget *widget)
{
    // This function is different from q->isNativeMenuBar(), as
    // it returns true only if a native menu bar is actually
    // _created_.
    if (!widget)
        return false;
    return menubars()->contains(widget->window());
}

void
QMenuBarPrivate::macCreateMenuBar(QWidget *parent)
{
    Q_Q(QMenuBar);
    static int dontUseNativeMenuBar = -1;
    // We call the isNativeMenuBar function here
    // because that will make sure that local overrides
    // are dealt with correctly. q->isNativeMenuBar() will, if not
    // overridden, depend on the attribute Qt::AA_DontUseNativeMenuBar:
    bool qt_mac_no_native_menubar = !q->isNativeMenuBar();
    if (qt_mac_no_native_menubar == false && dontUseNativeMenuBar < 0) {
        // The menubar is set to be native. Let's check (one time only
        // for all menubars) if this is OK with the rest of the environment.
        // As a result, Qt::AA_DontUseNativeMenuBar is set. NB: the application
        // might still choose to not respect, or change, this flag.
        bool isPlugin = QApplication::testAttribute(Qt::AA_MacPluginApplication);
        bool environmentSaysNo = !qgetenv("QT_MAC_NO_NATIVE_MENUBAR").isEmpty();
        dontUseNativeMenuBar = isPlugin || environmentSaysNo;
        QApplication::instance()->setAttribute(Qt::AA_DontUseNativeMenuBar, dontUseNativeMenuBar);
        qt_mac_no_native_menubar = !q->isNativeMenuBar();
    }
    if (qt_mac_no_native_menubar == false) {
        // INVARIANT: Use native menubar.
        extern void qt_event_request_menubarupdate(); //qapplication_mac.cpp
        qt_event_request_menubarupdate();
        if (!parent && !fallback) {
            fallback = q;
            mac_menubar = new QMacMenuBarPrivate;
        } else if (parent && parent->isWindow()) {
            menubars()->insert(q->window(), q);
            mac_menubar = new QMacMenuBarPrivate;
        }
    }
}

void QMenuBarPrivate::macDestroyMenuBar()
{
    Q_Q(QMenuBar);
    QMacCocoaAutoReleasePool pool;
    if (fallback == q)
        fallback = 0;
    delete mac_menubar;
    QWidget *tlw = q->window();
    menubars()->remove(tlw);
    mac_menubar = 0;

    if (!qt_mac_current_menubar.qmenubar || qt_mac_current_menubar.qmenubar == q) {
#ifdef QT_MAC_USE_COCOA
        QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
        [loader removeActionsFromAppMenu];
#else
        cancelAllMenuTracking();
#endif
        extern void qt_event_request_menubarupdate(); //qapplication_mac.cpp
        qt_event_request_menubarupdate();
    }
}

OSMenuRef QMenuBarPrivate::macMenu()
{
    Q_Q(QMenuBar);
    if (!q->isNativeMenuBar() || !mac_menubar) {
        return 0;
    } else if (!mac_menubar->menu) {
        mac_menubar->menu = qt_mac_create_menu(q);
        ProcessSerialNumber mine, front;
        if (GetCurrentProcess(&mine) == noErr && GetFrontProcess(&front) == noErr) {
            if (!qt_mac_no_menubar_merge && !mac_menubar->apple_menu) {
                mac_menubar->apple_menu = qt_mac_create_menu(q);
#ifndef QT_MAC_USE_COCOA
                MenuItemIndex index;
                AppendMenuItemTextWithCFString(mac_menubar->menu, 0, 0, 0, &index);

                SetMenuTitleWithCFString(mac_menubar->apple_menu, QCFString(QString(QChar(0x14))));
                SetMenuItemHierarchicalMenu(mac_menubar->menu, index, mac_menubar->apple_menu);
                SetMenuItemProperty(mac_menubar->apple_menu, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(q), &q);
#else
                [mac_menubar->apple_menu setTitle:qt_mac_QStringToNSString(QString(QChar(0x14)))];
                NSMenuItem *apple_menuItem = [[NSMenuItem alloc] init];
                [apple_menuItem setSubmenu:mac_menubar->menu];
                [mac_menubar->apple_menu addItem:apple_menuItem];
                [apple_menuItem release];
#endif
            }
            if (mac_menubar->apple_menu) {
#ifndef QT_MAC_USE_COCOA
                SetMenuItemProperty(mac_menubar->menu, 0, kMenuCreatorQt, kMenuPropertyMergeMenu,
                                    sizeof(mac_menubar->apple_menu), &mac_menubar->apple_menu);
#else
                QMenuPrivate::mergeMenuHash.insert(mac_menubar->menu, mac_menubar->apple_menu);
#endif
            }
            QList<QAction*> items = q->actions();
            for(int i = 0; i < items.count(); i++)
                mac_menubar->addAction(items[i]);
        }
    }
    return mac_menubar->menu;
}

/*!
    \internal

    This function will return the OSMenuRef used to create the native menu bar
    bindings. This OSMenuRef is then set as the root menu for the Menu
    Manager.

    \warning This function is not portable.

    \sa QMenu::macMenu()
*/
OSMenuRef QMenuBar::macMenu() { return d_func()->macMenu(); }

/* !
    \internal
    Ancestor function that crosses windows (QWidget::isAncestorOf
    only considers widgets within the same window).
*/
static bool qt_mac_is_ancestor(QWidget* possibleAncestor, QWidget *child)
{
    if (!possibleAncestor)
        return false;

    QWidget * current = child->parentWidget();
    while (current != 0) {
        if (current == possibleAncestor)
            return true;
        current = current->parentWidget();
    }
    return false;
}

/* !
    \internal
    Returns true if the entries of menuBar should be disabled,
    based on the modality type of modalWidget.
*/
static bool qt_mac_should_disable_menu(QMenuBar *menuBar)
{
    QWidget *modalWidget = qApp->activeModalWidget();
    if (!modalWidget)
        return false;

    if (menuBar && menuBar == menubars()->value(modalWidget))
        // The menu bar is owned by the modal widget.
        // In that case we should enable it:
        return false;

    // When there is an application modal window on screen, the entries of
    // the menubar should be disabled. The exception in Qt is that if the
    // modal window is the only window on screen, then we enable the menu bar.
    QWidget *w = modalWidget;
    QWidgetList topLevelWidgets = QApplication::topLevelWidgets();
    while (w) {
        if (w->isVisible() && w->windowModality() == Qt::ApplicationModal) {
            for (int i=0; i<topLevelWidgets.size(); ++i) {
                QWidget *top = topLevelWidgets.at(i);
                if (w != top && top->isVisible()) {
                    // INVARIANT: we found another visible window
                    // on screen other than our modalWidget. We therefore
                    // disable the menu bar to follow normal modality logic:
                    return true;
                }
            }
            // INVARIANT: We have only one window on screen that happends
            // to be application modal. We choose to enable the menu bar
            // in that case to e.g. enable the quit menu item.
            return false;
        }
        w = w->parentWidget();
    }

    // INVARIANT: modalWidget is window modal. Disable menu entries
    // if the menu bar belongs to an ancestor of modalWidget. If menuBar
    // is nil, we understand it as the default menu bar set by the nib:
    return menuBar ? qt_mac_is_ancestor(menuBar->parentWidget(), modalWidget) : false;
}

static QWidget *findWindowThatShouldDisplayMenubar()
{
    QWidget *w = qApp->activeWindow();
    if (!w) {
        // We have no active window on screen. Try to
        // find a window from the list of top levels:
        QWidgetList tlws = QApplication::topLevelWidgets();
        for(int i = 0; i < tlws.size(); ++i) {
            QWidget *tlw = tlws.at(i);
            if ((tlw->isVisible() && tlw->windowType() != Qt::Tool &&
                tlw->windowType() != Qt::Popup)) {
                w = tlw;
                break;
            }
        }
    }
    return w;
}

static QMenuBar *findMenubarForWindow(QWidget *w)
{
    QMenuBar *mb = 0;
    if (w) {
        mb = menubars()->value(w);
#ifndef QT_NO_MAINWINDOW
        QDockWidget *dw = qobject_cast<QDockWidget *>(w);
        if (!mb && dw) {
            QMainWindow *mw = qobject_cast<QMainWindow *>(dw->parentWidget());
            if (mw && (mb = menubars()->value(mw)))
                w = mw;
        }
#endif
        while(w && !mb)
            mb = menubars()->value((w = w->parentWidget()));
    }

    if (!mb) {
        // We could not find a menu bar for the window. Lets
        // check if we have a global (parentless) menu bar instead:
        mb = fallback;
    }

    return mb;
}

void qt_mac_clear_menubar()
{
    if (QApplication::testAttribute(Qt::AA_MacPluginApplication))
        return;

#ifndef QT_MAC_USE_COCOA
    MenuRef clear_menu = 0;
    if (CreateNewMenu(0, 0, &clear_menu) == noErr) {
        SetRootMenu(clear_menu);
        ReleaseMenu(clear_menu);
    } else {
        qWarning("QMenu: Internal error at %s:%d", __FILE__, __LINE__);
    }
    ClearMenuBar();
    qt_mac_command_set_enabled(0, kHICommandPreferences, false);
    InvalMenuBar();
#else
    QMacCocoaAutoReleasePool pool;
    QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
    NSMenu *menu = [loader menu];
    [loader ensureAppMenuInMenu:menu];
    [NSApp setMainMenu:menu];
    const bool modal = qt_mac_should_disable_menu(0);
    if (qt_mac_current_menubar.qmenubar || modal != qt_mac_current_menubar.modal)
        qt_mac_set_modal_state(menu, modal);
    qt_mac_current_menubar.qmenubar = 0;
    qt_mac_current_menubar.modal = modal;
#endif
}

/*!
  \internal

  This function will update the current menu bar and set it as the
  active menu bar in the Menu Manager.

  \warning This function is not portable.

  \sa QMenu::macMenu(), QMenuBar::macMenu()
*/
bool QMenuBar::macUpdateMenuBar()
{
#ifdef QT_MAC_USE_COCOA
    QMacCocoaAutoReleasePool pool;
    qt_cocoaPostMessage(getMenuLoader(), @selector(qtUpdateMenubar));
    return true;
#else
    return QMenuBarPrivate::macUpdateMenuBarImmediatly();
#endif
}

bool QMenuBarPrivate::macUpdateMenuBarImmediatly()
{
    bool ret = false;
    cancelAllMenuTracking();
    QWidget *w = findWindowThatShouldDisplayMenubar();
    QMenuBar *mb = findMenubarForWindow(w);
    extern bool qt_mac_app_fullscreen; //qapplication_mac.mm

    // We need to see if we are in full screen mode, if so we need to
    // switch the full screen mode to be able to show or hide the menubar.
    if(w && mb) {
        // This case means we are creating a menubar, check if full screen
        if(w->isFullScreen()) {
            // Ok, switch to showing the menubar when hovering over it.
            SetSystemUIMode(kUIModeAllHidden, kUIOptionAutoShowMenuBar);
            qt_mac_app_fullscreen = true;
        }
    } else if(w) {
        // Removing a menubar
        if(w->isFullScreen()) {
            // Ok, switch to not showing the menubar when hovering on it
            SetSystemUIMode(kUIModeAllHidden, 0);
            qt_mac_app_fullscreen = true;
        }
    }

    if (mb && mb->isNativeMenuBar()) {
        bool modal = QApplicationPrivate::modalState();
#ifdef QT_MAC_USE_COCOA
        QMacCocoaAutoReleasePool pool;
#endif
        if (OSMenuRef menu = mb->macMenu()) {
#ifndef QT_MAC_USE_COCOA
            SetRootMenu(menu);
#else
            QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
            [loader ensureAppMenuInMenu:menu];
            [NSApp setMainMenu:menu];
            syncMenuBarItemsVisiblity(mb->d_func()->mac_menubar);

            if (OSMenuRef tmpMerge = QMenuPrivate::mergeMenuHash.value(menu)) {
                if (QMenuMergeList *mergeList
                        = QMenuPrivate::mergeMenuItemsHash.value(tmpMerge)) {
                    const int mergeListSize = mergeList->size();

                    for (int i = 0; i < mergeListSize; ++i) {
                        const QMenuMergeItem &mergeItem = mergeList->at(i);
                        // Ideally we would call QMenuPrivate::syncAction, but that requires finding
                        // the original QMen and likely doing more work than we need.
                        // For example, enabled is handled below.
                        [mergeItem.menuItem setTag:reinterpret_cast<long>(
                                                    static_cast<QAction *>(mergeItem.action->action))];
                        [mergeItem.menuItem setHidden:!(mergeItem.action->action->isVisible())];
                    }
                }
            }
#endif
            // Check if menu is modally shaddowed and should  be disabled:
            modal = qt_mac_should_disable_menu(mb);
            if (mb != qt_mac_current_menubar.qmenubar || modal != qt_mac_current_menubar.modal)
                qt_mac_set_modal_state(menu, modal);
        }
        qt_mac_current_menubar.qmenubar = mb;
        qt_mac_current_menubar.modal = modal;
        ret = true;
    } else if (qt_mac_current_menubar.qmenubar && qt_mac_current_menubar.qmenubar->isNativeMenuBar()) {
        // INVARIANT: The currently active menu bar (if any) is not native. But we do have a
        // native menu bar from before. So we need to decide whether or not is should be enabled:
        const bool modal = qt_mac_should_disable_menu(qt_mac_current_menubar.qmenubar);
        if (modal != qt_mac_current_menubar.modal) {
            ret = true;
            if (OSMenuRef menu = qt_mac_current_menubar.qmenubar->macMenu()) {
#ifndef QT_MAC_USE_COCOA
                SetRootMenu(menu);
#else
                QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *loader = getMenuLoader();
                [loader ensureAppMenuInMenu:menu];
                [NSApp setMainMenu:menu];
                syncMenuBarItemsVisiblity(qt_mac_current_menubar.qmenubar->d_func()->mac_menubar);
#endif
                qt_mac_set_modal_state(menu, modal);
            }
            qt_mac_current_menubar.modal = modal;
        }
    }

    if (!ret) {
        qt_mac_clear_menubar();
    }
    return ret;
}

QHash<OSMenuRef, OSMenuRef> QMenuPrivate::mergeMenuHash;
QHash<OSMenuRef, QMenuMergeList*> QMenuPrivate::mergeMenuItemsHash;

bool QMenuPrivate::QMacMenuPrivate::merged(const QAction *action) const
{
#ifndef QT_MAC_USE_COCOA
    MenuRef merge = 0;
    GetMenuItemProperty(menu, 0, kMenuCreatorQt, kMenuPropertyMergeMenu,
            sizeof(merge), 0, &merge);
    if (merge) {
        QMenuMergeList *list = 0;
        if (GetMenuItemProperty(merge, 0, kMenuCreatorQt, kMenuPropertyMergeList,
                    sizeof(list), 0, &list) == noErr && list) {
            for(int i = 0; i < list->size(); ++i) {
                QMenuMergeItem item = list->at(i);
                if (item.action->action == action)
                    return true;
            }
        }
    }
#else
    if (OSMenuRef merge = mergeMenuHash.value(menu)) {
        if (QMenuMergeList *list = mergeMenuItemsHash.value(merge)) {
            for(int i = 0; i < list->size(); ++i) {
                const QMenuMergeItem &item = list->at(i);
                if (item.action->action == action)
                    return true;
            }
        }
    }
#endif
    return false;
}

//creation of the OSMenuRef
static OSMenuRef qt_mac_create_menu(QWidget *w)
{
    OSMenuRef ret;
#ifndef QT_MAC_USE_COCOA
    ret = 0;
    if (CreateNewMenu(0, 0, &ret) == noErr) {
        qt_mac_create_menu_event_handler();
        SetMenuItemProperty(ret, 0, kMenuCreatorQt, kMenuPropertyQWidget, sizeof(w), &w);

        // kEventMenuMatchKey is only sent to the menu itself and not to
        // the application, install a separate handler for that event.
        EventHandlerRef eventHandlerRef;
        InstallMenuEventHandler(ret, qt_mac_menu_event,
                                GetEventTypeCount(menu_menu_events),
                                menu_menu_events, 0, &eventHandlerRef);
        menu_eventHandlers_hash()->insert(ret, eventHandlerRef);
    } else {
        qWarning("QMenu: Internal error");
    }
#else
    if (QMenu *qmenu = qobject_cast<QMenu *>(w)){
        ret = [[QT_MANGLE_NAMESPACE(QCocoaMenu) alloc] initWithQMenu:qmenu];
    } else {
        ret = [[NSMenu alloc] init];
    }
#endif
    return ret;
}



QT_END_NAMESPACE