summaryrefslogtreecommitdiff
path: root/indra/llui/llmenugl.cpp
blob: 32d7be377a3386a34f769fbb20876712b7b0ef3f (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
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
/** 
 * @file llmenugl.cpp
 * @brief LLMenuItemGL base class
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

//*****************************************************************************
//
// This file contains the opengl based menu implementation.
//
// NOTES: A menu label is split into 4 columns. The left column, the
// label colum, the accelerator column, and the right column. The left
// column is used for displaying boolean values for toggle and check
// controls. The right column is used for submenus.
//
//*****************************************************************************

//#include "llviewerprecompiledheaders.h"
#include "linden_common.h"

#include "llmenugl.h"

#include "llgl.h"
#include "llmath.h"
#include "llrender.h"
#include "llfocusmgr.h"
#include "llcoord.h"
#include "llwindow.h"
#include "llcriticaldamp.h"
#include "lluictrlfactory.h"

#include "llbutton.h"
#include "llfontgl.h"
#include "llresmgr.h"
#include "lltrans.h"
#include "llui.h"

#include "llstl.h"

#include "v2math.h"
#include <set>
#include <boost/tokenizer.hpp>

// static
LLMenuHolderGL *LLMenuGL::sMenuContainer = NULL;

S32 MENU_BAR_HEIGHT = 0;
S32 MENU_BAR_WIDTH = 0;

///============================================================================
/// Local function declarations, constants, enums, and typedefs
///============================================================================

const S32 LABEL_BOTTOM_PAD_PIXELS = 2;

const U32 LEFT_PAD_PIXELS = 3;
const U32 LEFT_WIDTH_PIXELS = 15;
const U32 LEFT_PLAIN_PIXELS = LEFT_PAD_PIXELS + LEFT_WIDTH_PIXELS;

const U32 RIGHT_PAD_PIXELS = 2;
const U32 RIGHT_WIDTH_PIXELS = 15;
const U32 RIGHT_PLAIN_PIXELS = RIGHT_PAD_PIXELS + RIGHT_WIDTH_PIXELS;

const U32 PLAIN_PAD_PIXELS = LEFT_PAD_PIXELS + LEFT_WIDTH_PIXELS + RIGHT_PAD_PIXELS + RIGHT_WIDTH_PIXELS;

const U32 BRIEF_PAD_PIXELS = 2;

const U32 SEPARATOR_HEIGHT_PIXELS = 8;
const S32 TEAROFF_SEPARATOR_HEIGHT_PIXELS = 10;
const S32 MENU_ITEM_PADDING = 4;

const std::string SEPARATOR_NAME("separator");
const std::string SEPARATOR_LABEL( "-----------" );
const std::string VERTICAL_SEPARATOR_LABEL( "|" );

const std::string LLMenuGL::BOOLEAN_TRUE_PREFIX( "\xE2\x9C\x94" ); // U+2714 HEAVY CHECK MARK
const std::string LLMenuGL::BRANCH_SUFFIX( "\xE2\x96\xB6" ); // U+25B6 BLACK RIGHT-POINTING TRIANGLE
const std::string LLMenuGL::ARROW_UP  ("^^^^^^^");
const std::string LLMenuGL::ARROW_DOWN("vvvvvvv");

const F32 MAX_MOUSE_SLOPE_SUB_MENU = 0.9f;

const S32 PIE_GESTURE_ACTIVATE_DISTANCE = 10;

BOOL LLMenuGL::sKeyboardMode = FALSE;

LLHandle<LLView> LLMenuHolderGL::sItemLastSelectedHandle;
LLFrameTimer LLMenuHolderGL::sItemActivationTimer;
//LLColor4 LLMenuGL::sBackgroundColor( 0.8f, 0.8f, 0.0f, 1.0f );

const S32 PIE_CENTER_SIZE = 20;		// pixels, radius of center hole
const F32 PIE_SCALE_FACTOR = 1.7f; // scale factor for pie menu when mouse is initially down
const F32 PIE_SHRINK_TIME = 0.2f; // time of transition between unbounded and bounded display of pie menu

const F32 ACTIVATE_HIGHLIGHT_TIME = 0.3f;

static MenuRegistry::Register<LLMenuItemGL> register_menu_item("menu_item");
static MenuRegistry::Register<LLMenuItemSeparatorGL> register_separator("menu_item_separator");
static MenuRegistry::Register<LLMenuItemCallGL> register_menu_item_call("menu_item_call");
static MenuRegistry::Register<LLMenuItemCheckGL> register_menu_item_check("menu_item_check");
// Created programmatically but we need to specify custom colors in xml
static MenuRegistry::Register<LLMenuItemTearOffGL> register_menu_item_tear_off("menu_item_tear_off");
static MenuRegistry::Register<LLMenuGL> register_menu("menu");

static LLDefaultChildRegistry::Register<LLMenuGL> register_menu_default("menu");



///============================================================================
/// Class LLMenuItemGL
///============================================================================

LLMenuItemGL::Params::Params()
:	shortcut("shortcut"),
	jump_key("jump_key", KEY_NONE),
	use_mac_ctrl("use_mac_ctrl", false),
	allow_key_repeat("allow_key_repeat", false),
	rect("rect"),
	left("left"),
	top("top"),
	right("right"),
	bottom("bottom"),
	width("width"),
	height("height"),
	bottom_delta("bottom_delta"),
	left_delta("left_delta"),
	enabled_color("enabled_color"),
	disabled_color("disabled_color"),
	highlight_bg_color("highlight_bg_color"),
	highlight_fg_color("highlight_fg_color")
{	
	mouse_opaque = true;
}

// Default constructor
LLMenuItemGL::LLMenuItemGL(const LLMenuItemGL::Params& p)
:	LLUICtrl(p),
	mJumpKey(p.jump_key),
	mAllowKeyRepeat(p.allow_key_repeat),
	mHighlight( FALSE ),
	mGotHover( FALSE ),
	mBriefItem( FALSE ),
	mDrawTextDisabled( FALSE ),
	mFont(p.font),
	mAcceleratorKey(KEY_NONE),
	mAcceleratorMask(MASK_NONE),
	mLabel(p.label.isProvided() ? p.label() : p.name()),
	mEnabledColor(p.enabled_color()),
	mDisabledColor(p.disabled_color()),
	mHighlightBackground(p.highlight_bg_color()),
	mHighlightForeground(p.highlight_fg_color())
{
#ifdef LL_DARWIN
	// See if this Mac accelerator should really use the ctrl key and not get mapped to cmd
	BOOL useMacCtrl = p.use_mac_ctrl;
#endif // LL_DARWIN
	
	std::string shortcut = p.shortcut;
	if (shortcut.find("control") != shortcut.npos)
	{
#ifdef LL_DARWIN
		if ( useMacCtrl )
		{
			mAcceleratorMask |= MASK_MAC_CONTROL;
		}
#endif // LL_DARWIN
		mAcceleratorMask |= MASK_CONTROL;
	}
	if (shortcut.find("alt") != shortcut.npos)
	{
		mAcceleratorMask |= MASK_ALT;
	}
	if (shortcut.find("shift") != shortcut.npos)
	{
		mAcceleratorMask |= MASK_SHIFT;
	}
	S32 pipe_pos = shortcut.rfind("|");
	std::string key_str = shortcut.substr(pipe_pos+1);

	LLKeyboard::keyFromString(key_str, &mAcceleratorKey);

	LL_DEBUGS("HotKeys") << "Process short cut key: shortcut: " << shortcut
		<< ", key str: " << key_str
		<< ", accelerator mask: " << mAcceleratorMask
		<< ", accelerator key: " << mAcceleratorKey
		<< LL_ENDL;
}

//virtual
void LLMenuItemGL::setValue(const LLSD& value)
{
	setLabel(value.asString());
}

//virtual
LLSD LLMenuItemGL::getValue() const
{
	return getLabel();
}

//virtual
BOOL LLMenuItemGL::handleAcceleratorKey(KEY key, MASK mask)
{
	if( getEnabled() && (!gKeyboard->getKeyRepeated(key) || mAllowKeyRepeat) && (key == mAcceleratorKey) && (mask == (mAcceleratorMask & MASK_NORMALKEYS)) )
	{
		onCommit();
		return TRUE;
	}
	return FALSE;
}

BOOL LLMenuItemGL::handleHover(S32 x, S32 y, MASK mask)
{
	setHover(TRUE);
	getWindow()->setCursor(UI_CURSOR_ARROW);
	return TRUE;
}

//virtual
BOOL LLMenuItemGL::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
	return LLUICtrl::handleRightMouseDown(x,y,mask);
}

//virtual
BOOL LLMenuItemGL::handleRightMouseUp(S32 x, S32 y, MASK mask)
{
	// If this event came from a right-click context menu spawn,
	// process as a left-click to allow menu items to be hit
	if (LLMenuHolderGL::sContextMenuSpawnPos.mX != S32_MAX
		|| LLMenuHolderGL::sContextMenuSpawnPos.mY != S32_MAX)
	{
		BOOL handled = handleMouseUp(x, y, mask);
		return handled;
	}
	return LLUICtrl::handleRightMouseUp(x,y,mask);
}

// This function checks to see if the accelerator key is already in use;
// if not, it will be added to the list
BOOL LLMenuItemGL::addToAcceleratorList(std::list <LLKeyBinding*> *listp)
{
	LLKeyBinding *accelerator = NULL;

	if (mAcceleratorKey != KEY_NONE)
	{
		std::list<LLKeyBinding*>::iterator list_it;
		for (list_it = listp->begin(); list_it != listp->end(); ++list_it)
		{
			accelerator = *list_it;
			if ((accelerator->mKey == mAcceleratorKey) && (accelerator->mMask == (mAcceleratorMask & MASK_NORMALKEYS)))
			{

			// *NOTE: get calling code to throw up warning or route
			// warning messages back to app-provided output
			//	std::string warning;
			//	warning.append("Duplicate key binding <");
			//	appendAcceleratorString( warning );
			//	warning.append("> for menu items:\n    ");
			//	warning.append(accelerator->mName);
			//	warning.append("\n    ");
			//	warning.append(mLabel);

			//	llwarns << warning << llendl;
			//	LLAlertDialog::modalAlert(warning);
				return FALSE;
			}
		}
		if (!accelerator)
		{				
			accelerator = new LLKeyBinding;
			if (accelerator)
			{
				accelerator->mKey = mAcceleratorKey;
				accelerator->mMask = (mAcceleratorMask & MASK_NORMALKEYS);
// 				accelerator->mName = mLabel;
			}
			listp->push_back(accelerator);//addData(accelerator);
		}
	}
	return TRUE;
}

// This function appends the character string representation of
// the current accelerator key and mask to the provided string.
void LLMenuItemGL::appendAcceleratorString( std::string& st ) const
{
	st = LLKeyboard::stringFromAccelerator( mAcceleratorMask, mAcceleratorKey );
	LL_DEBUGS("HotKeys") << "appendAcceleratorString: " << st << LL_ENDL;
}

void LLMenuItemGL::setJumpKey(KEY key)
{
	mJumpKey = LLStringOps::toUpper((char)key);
}


// virtual 
U32 LLMenuItemGL::getNominalHeight( void ) const 
{ 
	return llround(mFont->getLineHeight()) + MENU_ITEM_PADDING; 
}

//virtual
void LLMenuItemGL::setBriefItem(BOOL brief)
{
	mBriefItem = brief;
}

//virtual
BOOL LLMenuItemGL::isBriefItem() const
{
	return mBriefItem;
}

// Get the parent menu for this item
LLMenuGL* LLMenuItemGL::getMenu() const
{
	return (LLMenuGL*) getParent();
}


// getNominalWidth() - returns the normal width of this control in
// pixels - this is used for calculating the widest item, as well as
// for horizontal arrangement.
U32 LLMenuItemGL::getNominalWidth( void ) const
{
	U32 width;
	
	if (mBriefItem)
	{
		width = BRIEF_PAD_PIXELS;
	}
	else
	{
		width = PLAIN_PAD_PIXELS;
	}

	if( KEY_NONE != mAcceleratorKey )
	{
		width += getMenu()->getShortcutPad();
		std::string temp;
		appendAcceleratorString( temp );
		width += mFont->getWidth( temp );
	}
	width += mFont->getWidth( mLabel.getWString().c_str() );
	return width;
}

// called to rebuild the draw label
void LLMenuItemGL::buildDrawLabel( void )
{
	mDrawAccelLabel.clear();
	std::string st = mDrawAccelLabel.getString();
	appendAcceleratorString( st );
	mDrawAccelLabel = st;
}

void LLMenuItemGL::onCommit( void )
{
	// Check torn-off status to allow left-arrow keyboard navigation back
	// to parent menu.
	// Also, don't hide if item triggered by keyboard shortcut (and hence
	// parent not visible).
	if (!getMenu()->getTornOff() 
		&& getMenu()->getVisible())
	{
		LLMenuGL::sMenuContainer->hideMenus();
	}
	
	LLUICtrl::onCommit();
}

// set the hover status (called by it's menu)
 void LLMenuItemGL::setHighlight( BOOL highlight )
{
	if (highlight)
	{
		getMenu()->clearHoverItem();
	}

	if (mHighlight != highlight)
	{
		dirtyRect();
	}

	mHighlight = highlight;
}


BOOL LLMenuItemGL::handleKeyHere( KEY key, MASK mask )
{
	if (getHighlight() && 
		getMenu()->isOpen())
	{
		if (key == KEY_UP)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			getMenu()->highlightPrevItem(this);
			return TRUE;
		}
		else if (key == KEY_DOWN)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			getMenu()->highlightNextItem(this);
			return TRUE;
		}
		else if (key == KEY_RETURN && mask == MASK_NONE)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			onCommit();
			return TRUE;
		}
	}

	return FALSE;
}

BOOL LLMenuItemGL::handleMouseUp( S32 x, S32 y, MASK mask)
{
	// switch to mouse navigation mode
	LLMenuGL::setKeyboardMode(FALSE);

	onCommit();
	make_ui_sound("UISndClickRelease");
	return LLView::handleMouseUp(x, y, mask);
}

BOOL LLMenuItemGL::handleMouseDown( S32 x, S32 y, MASK mask)
{
	// switch to mouse navigation mode
	LLMenuGL::setKeyboardMode(FALSE);

	setHighlight(TRUE);
	return LLView::handleMouseDown(x, y, mask);
}

BOOL LLMenuItemGL::handleScrollWheel( S32 x, S32 y, S32 clicks )
{
	// If the menu is scrollable let it handle the wheel event.
	return !getMenu()->isScrollable();
}

void LLMenuItemGL::draw( void )
{
	// *FIX: This can be optimized by using switches. Want to avoid
	// that until the functionality is finalized.

	// HACK: Brief items don't highlight.  Pie menu takes care of it.  JC
	// let disabled items be highlighted, just don't draw them as such
	if( getEnabled() && getHighlight() && !mBriefItem)
	{
		int debug_count = 0;
		if (dynamic_cast<LLMenuItemCallGL*>(this))
			debug_count++;
		gGL.color4fv( mHighlightBackground.get().mV );

		gl_rect_2d( 0, getRect().getHeight(), getRect().getWidth(), 0 );
	}

	LLColor4 color;

	if ( getEnabled() && getHighlight() )
	{
		color = mHighlightForeground.get();
	}
	else if( getEnabled() && !mDrawTextDisabled )
	{
		color = mEnabledColor.get();
	}
	else
	{
		color = mDisabledColor.get();
	}

	// Draw the text on top.
	if (mBriefItem)
	{
		mFont->render( mLabel, 0, BRIEF_PAD_PIXELS / 2, 0, color,
					   LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL);
	}
	else
	{
		if( !mDrawBoolLabel.empty() )
		{
			mFont->render( mDrawBoolLabel.getWString(), 0, (F32)LEFT_PAD_PIXELS, ((F32)MENU_ITEM_PADDING / 2.f) + 1.f, color,
						   LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE );
		}
		mFont->render( mLabel.getWString(), 0, (F32)LEFT_PLAIN_PIXELS, ((F32)MENU_ITEM_PADDING / 2.f) + 1.f, color,
					   LLFontGL::LEFT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE );
		if( !mDrawAccelLabel.empty() )
		{
			mFont->render( mDrawAccelLabel.getWString(), 0, (F32)getRect().mRight - (F32)RIGHT_PLAIN_PIXELS, ((F32)MENU_ITEM_PADDING / 2.f) + 1.f, color,
						   LLFontGL::RIGHT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE );
		}
		if( !mDrawBranchLabel.empty() )
		{
			mFont->render( mDrawBranchLabel.getWString(), 0, (F32)getRect().mRight - (F32)RIGHT_PAD_PIXELS, ((F32)MENU_ITEM_PADDING / 2.f) + 1.f, color,
						   LLFontGL::RIGHT, LLFontGL::BOTTOM, LLFontGL::NORMAL, LLFontGL::NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE );
		}
	}

	// underline "jump" key only when keyboard navigation has been initiated
	if (getMenu()->jumpKeysActive() && LLMenuGL::getKeyboardMode())
	{
		std::string upper_case_label = mLabel.getString();
		LLStringUtil::toUpper(upper_case_label);
		std::string::size_type offset = upper_case_label.find(mJumpKey);
		if (offset != std::string::npos)
		{
			S32 x_begin = LEFT_PLAIN_PIXELS + mFont->getWidth(mLabel, 0, offset);
			S32 x_end = LEFT_PLAIN_PIXELS + mFont->getWidth(mLabel, 0, offset + 1);
			gl_line_2d(x_begin, (MENU_ITEM_PADDING / 2) + 1, x_end, (MENU_ITEM_PADDING / 2) + 1);
		}
	}

	// clear got hover every frame
	setHover(FALSE);
}

BOOL LLMenuItemGL::setLabelArg( const std::string& key, const LLStringExplicit& text )
{
	mLabel.setArg(key, text);
	return TRUE;
}

void LLMenuItemGL::handleVisibilityChange(BOOL new_visibility)
{
	if (getMenu())
	{
		getMenu()->needsArrange();
	}
	LLView::handleVisibilityChange(new_visibility);
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLMenuItemSeparatorGL
//
// This class represents a separator.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
LLMenuItemSeparatorGL::Params::Params()
{
	name = "separator";
	label = SEPARATOR_LABEL;
}

LLMenuItemSeparatorGL::LLMenuItemSeparatorGL(const LLMenuItemSeparatorGL::Params& p) :
	LLMenuItemGL( p )
{
}

//virtual
U32 LLMenuItemSeparatorGL::getNominalHeight( void ) const
{
	return SEPARATOR_HEIGHT_PIXELS;
}

void LLMenuItemSeparatorGL::draw( void )
{
	gGL.color4fv( mDisabledColor.get().mV );
	const S32 y = getRect().getHeight() / 2;
	const S32 PAD = 6;
	gl_line_2d( PAD, y, getRect().getWidth() - PAD, y );
}

BOOL LLMenuItemSeparatorGL::handleMouseDown(S32 x, S32 y, MASK mask)
{
	LLMenuGL* parent_menu = getMenu();
	if (y > getRect().getHeight() / 2)
	{
		// the menu items are in the child list in bottom up order
		LLView* prev_menu_item = parent_menu->findNextSibling(this);
		return prev_menu_item ? prev_menu_item->handleMouseDown(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
	}
	else
	{
		LLView* next_menu_item = parent_menu->findPrevSibling(this);
		return next_menu_item ? next_menu_item->handleMouseDown(x, 0, mask) : FALSE;
	}
}

BOOL LLMenuItemSeparatorGL::handleMouseUp(S32 x, S32 y, MASK mask) 
{
	LLMenuGL* parent_menu = getMenu();
	if (y > getRect().getHeight() / 2)
	{
		LLView* prev_menu_item = parent_menu->findNextSibling(this);
		return prev_menu_item ? prev_menu_item->handleMouseUp(x, prev_menu_item->getRect().getHeight(), mask) : FALSE;
	}
	else
	{
		LLView* next_menu_item = parent_menu->findPrevSibling(this);
		return next_menu_item ? next_menu_item->handleMouseUp(x, 0, mask) : FALSE;
	}
}

BOOL LLMenuItemSeparatorGL::handleHover(S32 x, S32 y, MASK mask) 
{
	LLMenuGL* parent_menu = getMenu();
	if (y > getRect().getHeight() / 2)
	{
		parent_menu->highlightPrevItem(this, FALSE);
		return FALSE;
	}
	else
	{
		parent_menu->highlightNextItem(this, FALSE);
		return FALSE;
	}
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLMenuItemVerticalSeparatorGL
//
// This class represents a vertical separator.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLMenuItemVerticalSeparatorGL
:	public LLMenuItemSeparatorGL
{
public:
	LLMenuItemVerticalSeparatorGL( void );

	virtual BOOL handleMouseDown(S32 x, S32 y, MASK mask) { return FALSE; }
};

LLMenuItemVerticalSeparatorGL::LLMenuItemVerticalSeparatorGL( void )
{
	setLabel( VERTICAL_SEPARATOR_LABEL );
}

//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLMenuItemTearOffGL
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
LLMenuItemTearOffGL::LLMenuItemTearOffGL(const LLMenuItemTearOffGL::Params& p) 
:	LLMenuItemGL(p)
{
}

// Returns the first floater ancestor if there is one
LLFloater* LLMenuItemTearOffGL::getParentFloater()
{
	LLView* parent_view = getMenu();

	while (parent_view)
	{
		if (dynamic_cast<LLFloater*>(parent_view))
		{
			return dynamic_cast<LLFloater*>(parent_view);
		}

		bool parent_is_menu = dynamic_cast<LLMenuGL*>(parent_view) && !dynamic_cast<LLMenuBarGL*>(parent_view);

		if (parent_is_menu)
		{
			// use menu parent
			parent_view =  dynamic_cast<LLMenuGL*>(parent_view)->getParentMenuItem();
		}
		else
		{
			// just use regular view parent
			parent_view = parent_view->getParent();
		}
	}

	return NULL;
}

void LLMenuItemTearOffGL::onCommit()
{
	if (getMenu()->getTornOff())
	{
		LLTearOffMenu* torn_off_menu = (LLTearOffMenu*)(getMenu()->getParent());
		torn_off_menu->closeFloater();
	}
	else
	{
		// transfer keyboard focus and highlight to first real item in list
		if (getHighlight())
		{
			getMenu()->highlightNextItem(this);
		}

		getMenu()->needsArrange();

		LLFloater* parent_floater = getParentFloater();
		LLFloater* tear_off_menu = LLTearOffMenu::create(getMenu());

		if (tear_off_menu)
		{
			if (parent_floater)
			{
				parent_floater->addDependentFloater(tear_off_menu, FALSE);
			}

			// give focus to torn off menu because it will have
			// been taken away when parent menu closes
			tear_off_menu->setFocus(TRUE);
		}
	}
	LLMenuItemGL::onCommit();
}

void LLMenuItemTearOffGL::draw()
{
	// disabled items can be highlighted, but shouldn't render as such
	if( getEnabled() && getHighlight() && !isBriefItem())
	{
		gGL.color4fv( mHighlightBackground.get().mV );
		gl_rect_2d( 0, getRect().getHeight(), getRect().getWidth(), 0 );
	}

	if (getEnabled())
	{
		gGL.color4fv( mEnabledColor.get().mV );
	}
	else
	{
		gGL.color4fv( mDisabledColor.get().mV );
	}
	const S32 y = getRect().getHeight() / 3;
	const S32 PAD = 6;
	gl_line_2d( PAD, y, getRect().getWidth() - PAD, y );
	gl_line_2d( PAD, y * 2, getRect().getWidth() - PAD, y * 2 );
}

U32 LLMenuItemTearOffGL::getNominalHeight( void ) const 
{ 
	return TEAROFF_SEPARATOR_HEIGHT_PIXELS; 
}


//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLMenuItemBlankGL
//
// This class represents a blank, non-functioning item.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLMenuItemBlankGL : public LLMenuItemGL
{
public:
	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
	{
		Params()
		{
			name="";
			enabled = false;
		}
	};
	LLMenuItemBlankGL( const Params& p ) :	LLMenuItemGL( p )
	{}
	virtual void draw( void ) {}
};


///============================================================================
/// Class LLMenuItemCallGL
///============================================================================

LLMenuItemCallGL::LLMenuItemCallGL(const LLMenuItemCallGL::Params& p)
:	LLMenuItemGL(p)
{
}

void LLMenuItemCallGL::initFromParams(const Params& p)
{
	if (p.on_visible.isProvided())
	{
		mVisibleSignal.connect(initEnableCallback(p.on_visible));
	}
	if (p.on_enable.isProvided())
	{
		setEnableCallback(initEnableCallback(p.on_enable));
		// Set the enabled control variable (for backwards compatability)
		if (p.on_enable.control_name.isProvided() && !p.on_enable.control_name().empty())
		{
			LLControlVariable* control = findControl(p.on_enable.control_name());
			if (control)
			{
				setEnabledControlVariable(control);
			}
		}
	}
	if (p.on_click.isProvided())
	{
		setCommitCallback(initCommitCallback(p.on_click));
	}
		
	LLUICtrl::initFromParams(p);
}

void LLMenuItemCallGL::onCommit( void )
{
	// RN: menu item can be deleted in callback, so beware
	getMenu()->setItemLastSelected( this );
	
	LLMenuItemGL::onCommit();
}

void LLMenuItemCallGL::updateEnabled( void )
{
	if (mEnableSignal.num_slots() > 0)
	{
		bool enabled = mEnableSignal(this, LLSD());
		if (mEnabledControlVariable)
		{
			if (!enabled)
			{
				// callback overrides control variable; this will call setEnabled()
				mEnabledControlVariable->set(false); 
			}
		}
		else
		{
			setEnabled(enabled);
		}
	}
}

void LLMenuItemCallGL::updateVisible( void )
{
	if (mVisibleSignal.num_slots() > 0)
	{
		bool visible = mVisibleSignal(this, LLSD());
		setVisible(visible);
	}
}

void LLMenuItemCallGL::buildDrawLabel( void )
{
	updateEnabled();
	updateVisible();
	LLMenuItemGL::buildDrawLabel();
}

BOOL LLMenuItemCallGL::handleKeyHere( KEY key, MASK mask )
{
	return LLMenuItemGL::handleKeyHere(key, mask);
}

BOOL LLMenuItemCallGL::handleAcceleratorKey( KEY key, MASK mask )
{
	if( (!gKeyboard->getKeyRepeated(key) || getAllowKeyRepeat()) && (key == mAcceleratorKey) && (mask == (mAcceleratorMask & MASK_NORMALKEYS)) )
	{
		updateEnabled();
		if (getEnabled())
		{
			onCommit();
			return TRUE;
		}
	}
	return FALSE;
}

// handleRightMouseUp moved into base class LLMenuItemGL so clicks are
// handled for all menu item types

///============================================================================
/// Class LLMenuItemCheckGL
///============================================================================
LLMenuItemCheckGL::LLMenuItemCheckGL (const LLMenuItemCheckGL::Params& p)
:	LLMenuItemCallGL(p)
{
}

void LLMenuItemCheckGL::initFromParams(const Params& p)
{
	if (p.on_check.isProvided())
	{
		setCheckCallback(initEnableCallback(p.on_check));
		// Set the control name (for backwards compatability)
		if (p.on_check.control_name.isProvided() && !p.on_check.control_name().empty())
		{
			setControlName(p.on_check.control_name());
		}
	}
		
	LLMenuItemCallGL::initFromParams(p);
}

void LLMenuItemCheckGL::onCommit( void )
{
	LLMenuItemCallGL::onCommit();
}

//virtual
void LLMenuItemCheckGL::setValue(const LLSD& value)
{
	LLUICtrl::setValue(value);
	if(value.asBoolean())
	{
		mDrawBoolLabel = LLMenuGL::BOOLEAN_TRUE_PREFIX;
	}
	else
	{
		mDrawBoolLabel.clear();
	}
}

//virtual
LLSD LLMenuItemCheckGL::getValue() const
{
	// Get our boolean value from the view model.
	// If we don't override this method then the implementation from
	// LLMenuItemGL will return a string. (EXT-8501)
	return LLUICtrl::getValue();
}

// called to rebuild the draw label
void LLMenuItemCheckGL::buildDrawLabel( void )
{
	// Note: mCheckSignal() returns true if no callbacks are set
	bool checked = mCheckSignal(this, LLSD());
	if (mControlVariable)
	{
		if (!checked) 
			setControlValue(false); // callback overrides control variable; this will call setValue()
	}
	else
	{
		setValue(checked);
	}
	if(getValue().asBoolean())
	{
		mDrawBoolLabel = LLMenuGL::BOOLEAN_TRUE_PREFIX;
	}
	else
	{
		mDrawBoolLabel.clear();
	}
	LLMenuItemCallGL::buildDrawLabel();
}

///============================================================================
/// Class LLMenuItemBranchGL
///============================================================================
LLMenuItemBranchGL::LLMenuItemBranchGL(const LLMenuItemBranchGL::Params& p)
  : LLMenuItemGL(p)
{
	LLMenuGL* branch = p.branch;
	if (branch)
	{
		mBranchHandle = branch->getHandle();
		branch->setVisible(FALSE);
		branch->setParentMenuItem(this);
	}
}

LLMenuItemBranchGL::~LLMenuItemBranchGL()
{
	LLView::deleteViewByHandle(mBranchHandle);
}

// virtual
LLView* LLMenuItemBranchGL::getChildView(const std::string& name, BOOL recurse) const
{
	LLMenuGL* branch = getBranch();
	if (branch)
	{
		if (branch->getName() == name)
		{
			return branch;
		}

		// Always recurse on branches
		return branch->getChildView(name, recurse);
	}

	return LLView::getChildView(name, recurse);
}

LLView* LLMenuItemBranchGL::findChildView(const std::string& name, BOOL recurse) const
{
	LLMenuGL* branch = getBranch();
	if (branch)
	{
		if (branch->getName() == name)
		{
			return branch;
		}

		// Always recurse on branches
		return branch->findChildView(name, recurse);
	}

	return LLView::findChildView(name, recurse);
}

// virtual
BOOL LLMenuItemBranchGL::handleMouseUp(S32 x, S32 y, MASK mask)
{
	// switch to mouse navigation mode
	LLMenuGL::setKeyboardMode(FALSE);

	onCommit();
	make_ui_sound("UISndClickRelease");
	return TRUE;
}

BOOL LLMenuItemBranchGL::handleAcceleratorKey(KEY key, MASK mask)
{
	return getBranch() && getBranch()->handleAcceleratorKey(key, mask);
}

// This function checks to see if the accelerator key is already in use;
// if not, it will be added to the list
BOOL LLMenuItemBranchGL::addToAcceleratorList(std::list<LLKeyBinding*> *listp)
{
	LLMenuGL* branch = getBranch();
	if (!branch)
		return FALSE;

	U32 item_count = branch->getItemCount();
	LLMenuItemGL *item;
	
	while (item_count--)
	{
		if ((item = branch->getItem(item_count)))
		{
			return item->addToAcceleratorList(listp);
		}
	}

	return FALSE;
}


// called to rebuild the draw label
void LLMenuItemBranchGL::buildDrawLabel( void )
{
	mDrawAccelLabel.clear();
	std::string st = mDrawAccelLabel;
	appendAcceleratorString( st );
	mDrawAccelLabel = st;
	mDrawBranchLabel = LLMenuGL::BRANCH_SUFFIX;
}

void LLMenuItemBranchGL::onCommit( void )
{
	openMenu();

	// keyboard navigation automatically propagates highlight to sub-menu
	// to facilitate fast menu control via jump keys
	if (LLMenuGL::getKeyboardMode() && getBranch()&& !getBranch()->getHighlightedItem())
	{
		getBranch()->highlightNextItem(NULL);
	}
	
	LLUICtrl::onCommit();
}

BOOL LLMenuItemBranchGL::handleKey(KEY key, MASK mask, BOOL called_from_parent)
{
	BOOL handled = FALSE;
	if (getBranch() && called_from_parent)
	{
		handled = getBranch()->handleKey(key, mask, called_from_parent);
	}

	if (!handled)
	{
		handled = LLMenuItemGL::handleKey(key, mask, called_from_parent);
	}

	return handled;
}

BOOL LLMenuItemBranchGL::handleUnicodeChar(llwchar uni_char, BOOL called_from_parent)
{
	BOOL handled = FALSE;
	if (getBranch() && called_from_parent)
	{
		handled = getBranch()->handleUnicodeChar(uni_char, TRUE);
	}

	if (!handled)
	{
		handled = LLMenuItemGL::handleUnicodeChar(uni_char, called_from_parent);
	}

	return handled;
}


void LLMenuItemBranchGL::setHighlight( BOOL highlight )
{
	if (highlight == getHighlight())
		return;

	LLMenuGL* branch = getBranch();
	if (!branch)
		return;

	BOOL auto_open = getEnabled() && (!branch->getVisible() || branch->getTornOff());
	// torn off menus don't open sub menus on hover unless they have focus
	if (getMenu()->getTornOff() && !((LLFloater*)getMenu()->getParent())->hasFocus())
	{
		auto_open = FALSE;
	}
	// don't auto open torn off sub-menus (need to explicitly active menu item to give them focus)
	if (branch->getTornOff())
	{
		auto_open = FALSE;
	}
	LLMenuItemGL::setHighlight(highlight);
	if( highlight )
	{
		if(auto_open)
		{
			openMenu();
		}
	}
	else
	{
		if (branch->getTornOff())
		{
			((LLFloater*)branch->getParent())->setFocus(FALSE);
			branch->clearHoverItem();
		}
		else
		{
			branch->setVisible( FALSE );
		}
	}
}

void LLMenuItemBranchGL::draw()
{
	LLMenuItemGL::draw();
	if (getBranch() && getBranch()->getVisible() && !getBranch()->getTornOff())
	{
		setHighlight(TRUE);
	}
}

void LLMenuItemBranchGL::updateBranchParent(LLView* parentp)
{
	if (getBranch() && getBranch()->getParent() == NULL)
	{
		// make the branch menu a sibling of my parent menu
		getBranch()->updateParent(parentp);
	}
}

void LLMenuItemBranchGL::handleVisibilityChange( BOOL new_visibility )
{
	if (new_visibility == FALSE && getBranch() && !getBranch()->getTornOff())
	{
		getBranch()->setVisible(FALSE);
	}
	LLMenuItemGL::handleVisibilityChange(new_visibility);
}

BOOL LLMenuItemBranchGL::handleKeyHere( KEY key, MASK mask )
{
	LLMenuGL* branch = getBranch();
	if (!branch)
		return LLMenuItemGL::handleKeyHere(key, mask);

	// an item is highlighted, my menu is open, and I have an active sub menu or we are in
	// keyboard navigation mode
	if (getHighlight() 
		&& getMenu()->isOpen() 
		&& (isActive() || LLMenuGL::getKeyboardMode()))
	{
		if (branch->getVisible() && key == KEY_LEFT)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			BOOL handled = branch->clearHoverItem();
			if (branch->getTornOff())
			{
				((LLFloater*)branch->getParent())->setFocus(FALSE);
			}
			if (handled && getMenu()->getTornOff())
			{
				((LLFloater*)getMenu()->getParent())->setFocus(TRUE);
			}
			return handled;
		}

		if (key == KEY_RIGHT && !branch->getHighlightedItem())
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			LLMenuItemGL* itemp = branch->highlightNextItem(NULL);
			if (itemp)
			{
				return TRUE;
			}
		}
	}
	return LLMenuItemGL::handleKeyHere(key, mask);
}

//virtual
BOOL LLMenuItemBranchGL::isActive() const
{
	return isOpen() && getBranch() && getBranch()->getHighlightedItem();
}

//virtual
BOOL LLMenuItemBranchGL::isOpen() const
{
	return getBranch() && getBranch()->isOpen();
}

void LLMenuItemBranchGL::openMenu()
{
	LLMenuGL* branch = getBranch();
	if (!branch)
		return;

	if (branch->getTornOff())
	{
		gFloaterView->bringToFront((LLFloater*)branch->getParent());
		// this might not be necessary, as torn off branches don't get focus and hence no highligth
		branch->highlightNextItem(NULL);
	}
	else if( !branch->getVisible() )
	{
		// get valid rectangle for menus
		const LLRect menu_region_rect = LLMenuGL::sMenuContainer->getMenuRect();

		branch->arrange();

		LLRect branch_rect = branch->getRect();
		// calculate root-view relative position for branch menu
		S32 left = getRect().mRight;
		S32 top = getRect().mTop - getRect().mBottom;

		localPointToOtherView(left, top, &left, &top, branch->getParent());

		branch_rect.setLeftTopAndSize( left, top,
								branch_rect.getWidth(), branch_rect.getHeight() );

		if (branch->getCanTearOff())
		{
			branch_rect.translate(0, TEAROFF_SEPARATOR_HEIGHT_PIXELS);
		}
		branch->setRect( branch_rect );
		
		// if branch extends outside of menu region change the direction it opens in
		S32 x, y;
		S32 delta_x = 0;
		S32 delta_y = 0;
		branch->localPointToOtherView( 0, 0, &x, &y, branch->getParent() ); 
		if( y < menu_region_rect.mBottom )
		{
			// open upwards if menu extends past bottom
			// adjust by the height of the menu item branch since it is a submenu
			delta_y = branch_rect.getHeight() - getRect().getHeight();		
		}

		if( x + branch_rect.getWidth() > menu_region_rect.mRight )
		{
			// move sub-menu over to left side
			delta_x = llmax(-x, ( -(branch_rect.getWidth() + getRect().getWidth())));
		}
		branch->translate( delta_x, delta_y );

		branch->setVisible( TRUE );
		branch->getParent()->sendChildToFront(branch);

		dirtyRect();
	}
}


//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class LLMenuItemBranchDownGL
//
// The LLMenuItemBranchDownGL represents a menu item that has a
// sub-menu. This is used to make menu bar menus.
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

class LLMenuItemBranchDownGL : public LLMenuItemBranchGL
{
protected:

public:
	LLMenuItemBranchDownGL( const Params& );

	// returns the normal width of this control in pixels - this is
	// used for calculating the widest item, as well as for horizontal
	// arrangement.
	virtual U32 getNominalWidth( void ) const;

	// called to rebuild the draw label
	virtual void buildDrawLabel( void );

	// handles opening, positioning, and arranging the menu branch associated with this item
	virtual void openMenu( void );

	// set the hover status (called by it's menu) and if the object is
	// active. This is used for behavior transfer.
	virtual void setHighlight( BOOL highlight );

	virtual BOOL isActive( void ) const;

	// LLView functionality
	virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
	virtual BOOL handleMouseUp( S32 x, S32 y, MASK mask ); 
	virtual void draw( void );
	virtual BOOL handleKeyHere(KEY key, MASK mask);
	
	virtual BOOL handleAcceleratorKey(KEY key, MASK mask);
};

LLMenuItemBranchDownGL::LLMenuItemBranchDownGL( const Params& p) :
	LLMenuItemBranchGL(p)
{
}

// returns the normal width of this control in pixels - this is used
// for calculating the widest item, as well as for horizontal
// arrangement.
U32 LLMenuItemBranchDownGL::getNominalWidth( void ) const
{
	U32 width = LEFT_PAD_PIXELS + LEFT_WIDTH_PIXELS + RIGHT_PAD_PIXELS;
	width += getFont()->getWidth( mLabel.getWString().c_str() ); 
	return width;
}

// called to rebuild the draw label
void LLMenuItemBranchDownGL::buildDrawLabel( void )
{
	mDrawAccelLabel.clear();
	std::string st = mDrawAccelLabel;
	appendAcceleratorString( st );
	mDrawAccelLabel = st;
}

void LLMenuItemBranchDownGL::openMenu( void )
{
	LLMenuGL* branch = getBranch();
	if( branch->getVisible() && !branch->getTornOff() )
	{
		branch->setVisible( FALSE );
	}
	else
	{
		if (branch->getTornOff())
		{
			gFloaterView->bringToFront((LLFloater*)branch->getParent());
		}
		else
		{
			// We're showing the drop-down menu, so patch up its labels/rects
			branch->arrange();

			LLRect rect = branch->getRect();
			S32 left = 0;
			S32 top = getRect().mBottom;
			localPointToOtherView(left, top, &left, &top, branch->getParent());

			rect.setLeftTopAndSize( left, top,
									rect.getWidth(), rect.getHeight() );
			branch->setRect( rect );
			S32 x = 0;
			S32 y = 0;
			branch->localPointToScreen( 0, 0, &x, &y ); 
			S32 delta_x = 0;

			LLCoordScreen window_size;
			LLWindow* windowp = getWindow();
			windowp->getSize(&window_size);

			S32 window_width = window_size.mX;
			if( x > window_width - rect.getWidth() )
			{
				delta_x = (window_width - rect.getWidth()) - x;
			}
			branch->translate( delta_x, 0 );

			setHighlight(TRUE);
			branch->setVisible( TRUE );
			branch->getParent()->sendChildToFront(branch);
		}
	}
}

// set the hover status (called by it's menu)
void LLMenuItemBranchDownGL::setHighlight( BOOL highlight )
{
 	if (highlight == getHighlight())
		return;

	//NOTE: Purposely calling all the way to the base to bypass auto-open.
	LLMenuItemGL::setHighlight(highlight);

	LLMenuGL* branch = getBranch();
	if (!branch)
		return;
	
	if( !highlight)
	{
		if (branch->getTornOff())
		{
			((LLFloater*)branch->getParent())->setFocus(FALSE);
			branch->clearHoverItem();
		}
		else
		{
			branch->setVisible( FALSE );
		}
	}
}

BOOL LLMenuItemBranchDownGL::isActive() const
{
	// for top level menus, being open is sufficient to be considered 
	// active, because clicking on them with the mouse will open
	// them, without moving keyboard focus to them
	return isOpen();
}

BOOL LLMenuItemBranchDownGL::handleMouseDown( S32 x, S32 y, MASK mask )
{
	// switch to mouse control mode
	LLMenuGL::setKeyboardMode(FALSE);
	onCommit();
	make_ui_sound("UISndClick");
	return TRUE;
}

BOOL LLMenuItemBranchDownGL::handleMouseUp( S32 x, S32 y, MASK mask )
{
	return TRUE;
}


BOOL LLMenuItemBranchDownGL::handleAcceleratorKey(KEY key, MASK mask)
{
	BOOL branch_visible = getBranch()->getVisible();
	BOOL handled = getBranch()->handleAcceleratorKey(key, mask);
	if (handled && !branch_visible && isInVisibleChain())
	{
		// flash this menu entry because we triggered an invisible menu item
		LLMenuHolderGL::setActivatedItem(this);
	}

	return handled;
}

BOOL LLMenuItemBranchDownGL::handleKeyHere(KEY key, MASK mask)
{
	BOOL menu_open = getBranch()->getVisible();
	// don't do keyboard navigation of top-level menus unless in keyboard mode, or menu expanded
	if (getHighlight() && getMenu()->isOpen() && (isActive() || LLMenuGL::getKeyboardMode()))
	{
		if (key == KEY_LEFT)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			LLMenuItemGL* itemp = getMenu()->highlightPrevItem(this);
			// open new menu only if previous menu was open
			if (itemp && itemp->getEnabled() && menu_open)
			{
				itemp->onCommit();
			}

			return TRUE;
		}
		else if (key == KEY_RIGHT)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			LLMenuItemGL* itemp = getMenu()->highlightNextItem(this);
			// open new menu only if previous menu was open
			if (itemp && itemp->getEnabled() && menu_open)
			{
				itemp->onCommit();
			}

			return TRUE;
		}
		else if (key == KEY_DOWN)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			if (!isActive())
			{
				onCommit();
			}
			getBranch()->highlightNextItem(NULL);
			return TRUE;
		}
		else if (key == KEY_UP)
		{
			// switch to keyboard navigation mode
			LLMenuGL::setKeyboardMode(TRUE);

			if (!isActive())
			{
				onCommit();
			}
			getBranch()->highlightPrevItem(NULL);
			return TRUE;
		}
	}

	return FALSE;
}

void LLMenuItemBranchDownGL::draw( void )
{
	//FIXME: try removing this
	if (getBranch()->getVisible() && !getBranch()->getTornOff())
	{
		setHighlight(TRUE);
	}

	if( getHighlight() )
	{
		gGL.color4fv( mHighlightBackground.get().mV );
		gl_rect_2d( 0, getRect().getHeight(), getRect().getWidth(), 0 );
	}

	LLColor4 color;
	if (getHighlight())
	{
		color = mHighlightForeground.get();
	}
	else if( getEnabled() )
	{
		color = mEnabledColor.get();
	}
	else
	{
		color = mDisabledColor.get();
	}
	getFont()->render( mLabel.getWString(), 0, (F32)getRect().getWidth() / 2.f, (F32)LABEL_BOTTOM_PAD_PIXELS, color,
				   LLFontGL::HCENTER, LLFontGL::BOTTOM, LLFontGL::NORMAL);


	// underline navigation key only when keyboard navigation has been initiated
	if (getMenu()->jumpKeysActive() && LLMenuGL::getKeyboardMode())
	{
		std::string upper_case_label = mLabel.getString();
		LLStringUtil::toUpper(upper_case_label);
		std::string::size_type offset = upper_case_label.find(getJumpKey());
		if (offset != std::string::npos)
		{
			S32 x_offset = llround((F32)getRect().getWidth() / 2.f - getFont()->getWidthF32(mLabel.getString(), 0, S32_MAX) / 2.f);
			S32 x_begin = x_offset + getFont()->getWidth(mLabel, 0, offset);
			S32 x_end = x_offset + getFont()->getWidth(mLabel, 0, offset + 1);
			gl_line_2d(x_begin, LABEL_BOTTOM_PAD_PIXELS, x_end, LABEL_BOTTOM_PAD_PIXELS);
		}
	}

	// reset every frame so that we only show highlight 
	// when we get hover events on that frame
	setHover(FALSE);
}


class LLMenuScrollItem : public LLMenuItemCallGL
{
public:
	enum EArrowType
	{
		ARROW_DOWN,
		ARROW_UP
	};
	struct ArrowTypes : public LLInitParam::TypeValuesHelper<EArrowType, ArrowTypes>
	{
		static void declareValues()
		{
			declare("up", ARROW_UP);
			declare("down", ARROW_DOWN);
		}
	};

	struct Params : public LLInitParam::Block<Params, LLMenuItemCallGL::Params>
	{
		Optional<EArrowType, ArrowTypes> arrow_type;
		Optional<CommitCallbackParam> scroll_callback;
	};

protected:
	LLMenuScrollItem(const Params&);
	friend class LLUICtrlFactory;

public:
	/*virtual*/ void draw();
	/*virtual*/ void reshape(S32 width, S32 height, BOOL called_from_parent);
	/*virtual*/ void setEnabled(BOOL enabled);
	virtual void onCommit( void );

private:
	LLButton*				mArrowBtn;
};

LLMenuScrollItem::LLMenuScrollItem(const Params& p)
:	LLMenuItemCallGL(p)
{
	std::string icon;
	if (p.arrow_type.isProvided() && p.arrow_type == ARROW_UP)
	{
		icon = "arrow_up.tga";
	}
	else
	{
		icon = "arrow_down.tga";
	}

	LLButton::Params bparams;

	// Disabled the Return key handling by LLMenuScrollItem instead of
	// passing the key press to the currently selected menu item. See STORM-385.
	bparams.commit_on_return(false);
	bparams.mouse_opaque(true);
	bparams.scale_image(false);
	bparams.click_callback(p.scroll_callback);
	bparams.mouse_held_callback(p.scroll_callback);
	bparams.follows.flags(FOLLOWS_ALL);
	std::string background = "transparent.j2c";
	bparams.image_unselected.name(background);
	bparams.image_disabled.name(background);
	bparams.image_selected.name(background);
	bparams.image_hover_selected.name(background);
	bparams.image_disabled_selected.name(background);
	bparams.image_hover_unselected.name(background);
	bparams.image_overlay.name(icon);

	mArrowBtn = LLUICtrlFactory::create<LLButton>(bparams);
	addChild(mArrowBtn);
}

/*virtual*/
void LLMenuScrollItem::draw()
{
	LLUICtrl::draw();
}

/*virtual*/
void LLMenuScrollItem::reshape(S32 width, S32 height, BOOL called_from_parent)
{
	mArrowBtn->reshape(width, height, called_from_parent);
	LLView::reshape(width, height, called_from_parent);
}

/*virtual*/
void LLMenuScrollItem::setEnabled(BOOL enabled)
{
	mArrowBtn->setEnabled(enabled);
	LLView::setEnabled(enabled);
}

void LLMenuScrollItem::onCommit( void )
{
	LLUICtrl::onCommit();
}

///============================================================================
/// Class LLMenuGL
///============================================================================

LLMenuGL::LLMenuGL(const LLMenuGL::Params& p)
:	LLUICtrl(p),
	mBackgroundColor( p.bg_color() ),
	mBgVisible( p.bg_visible ),
	mDropShadowed( p.drop_shadow ),
	mHasSelection(false),
	mHorizontalLayout( p.horizontal_layout ),
	mScrollable(mHorizontalLayout ? FALSE : p.scrollable), // Scrolling is supported only for vertical layout
	mMaxScrollableItems(p.max_scrollable_items),
	mPreferredWidth(p.preferred_width),
	mKeepFixedSize( p.keep_fixed_size ),
	mLabel (p.label),
	mLastMouseX(0),
	mLastMouseY(0),
	mMouseVelX(0),
	mMouseVelY(0),
	mTornOff(FALSE),
	mTearOffItem(NULL),
	mSpilloverBranch(NULL),
	mFirstVisibleItem(NULL),
	mArrowUpItem(NULL),
	mArrowDownItem(NULL),
	mSpilloverMenu(NULL),
	mJumpKey(p.jump_key),
	mCreateJumpKeys(p.create_jump_keys),
	mNeedsArrange(FALSE), 
	mShortcutPad(p.shortcut_pad)
{
	typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
	boost::char_separator<char> sep("_");
	tokenizer tokens(p.label(), sep);
	tokenizer::iterator token_iter;

	S32 token_count = 0;
	std::string new_menu_label;
	for( token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
	{
		new_menu_label += (*token_iter);
		if (token_count > 0)
		{
			setJumpKey((*token_iter).c_str()[0]);
		}
		++token_count;
	}
	setLabel(new_menu_label);

	mFadeTimer.stop();
}

void LLMenuGL::initFromParams(const LLMenuGL::Params& p)
{
	LLUICtrl::initFromParams(p);
	setCanTearOff(p.can_tear_off);
}

// Destroys the object
LLMenuGL::~LLMenuGL( void )
{
	// delete the branch, as it might not be in view hierarchy
	// leave the menu, because it is always in view hierarchy
	delete mSpilloverBranch;
	mJumpKeys.clear();
}

void LLMenuGL::setCanTearOff(BOOL tear_off)
{
	if (tear_off && mTearOffItem == NULL)
	{
		LLMenuItemTearOffGL::Params p;
		mTearOffItem = LLUICtrlFactory::create<LLMenuItemTearOffGL>(p);
		addChildInBack(mTearOffItem);
	}
	else if (!tear_off && mTearOffItem != NULL)
	{
		mItems.remove(mTearOffItem);
		removeChild(mTearOffItem);
		delete mTearOffItem;
		mTearOffItem = NULL;
		needsArrange();
	}
}

bool LLMenuGL::addChild(LLView* view, S32 tab_group)
{
	if (LLMenuGL* menup = dynamic_cast<LLMenuGL*>(view))
	{
		appendMenu(menup);
		return true;
	}
	else if (LLMenuItemGL* itemp = dynamic_cast<LLMenuItemGL*>(view))
	{
		append(itemp);
		return true;
	}
	return false;
}

void LLMenuGL::removeChild( LLView* ctrl)
{
	// previously a dynamic_cast with if statement to check validity
	// unfortunately removeChild is called by ~LLView, and at that point the
	// object being deleted is no longer a LLMenuItemGL so a dynamic_cast will fail
	LLMenuItemGL* itemp = static_cast<LLMenuItemGL*>(ctrl);

	item_list_t::iterator found_it = std::find(mItems.begin(), mItems.end(), (itemp));
	if (found_it != mItems.end())
	{
		mItems.erase(found_it);
	}

	return LLUICtrl::removeChild(ctrl);
}

BOOL LLMenuGL::postBuild()
{
	createJumpKeys();
	return LLUICtrl::postBuild();
}

// are we the childmost active menu and hence our jump keys should be enabled?
// or are we a free-standing torn-off menu (which uses jump keys too)
BOOL LLMenuGL::jumpKeysActive()
{
	LLMenuItemGL* highlighted_item = getHighlightedItem();
	BOOL active = getVisible() && getEnabled();
	if (getTornOff())
	{
		// activation of jump keys on torn off menus controlled by keyboard focus
		active = active && ((LLFloater*)getParent())->hasFocus();

	}
	else
	{
		// Are we the terminal active menu?
		// Yes, if parent menu item deems us to be active (just being visible is sufficient for top-level menus)
		// and we don't have a highlighted menu item pointing to an active sub-menu
		active = active && (!getParentMenuItem() || getParentMenuItem()->isActive()) // I have a parent that is active...
		                && (!highlighted_item || !highlighted_item->isActive()); //... but no child that is active
	}
	return active;
}

BOOL LLMenuGL::isOpen()
{
	if (getTornOff())
	{
		LLMenuItemGL* itemp = getHighlightedItem();
		// if we have an open sub-menu, then we are considered part of 
		// the open menu chain even if we don't have focus
		if (itemp && itemp->isOpen())
		{
			return TRUE;
		}
		// otherwise we are only active if we have keyboard focus
		return ((LLFloater*)getParent())->hasFocus();
	}
	else
	{
		// normally, menus are hidden as soon as the user focuses
		// on another menu, so just use the visibility criterion
		return getVisible();
	}
}



bool LLMenuGL::scrollItems(EScrollingDirection direction)
{
	// Slowing down items scrolling when arrow button is held
	if (mScrollItemsTimer.hasExpired() && NULL != mFirstVisibleItem)
	{
		mScrollItemsTimer.setTimerExpirySec(.033f);
	}
	else
	{
		return false;
	}

	switch (direction)
	{
	case SD_UP:
	{
		item_list_t::iterator cur_item_iter;
		item_list_t::iterator prev_item_iter;
		for (cur_item_iter = mItems.begin(), prev_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
		{
			if( (*cur_item_iter) == mFirstVisibleItem)
			{
				break;
			}
			if ((*cur_item_iter)->getVisible())
			{
				prev_item_iter = cur_item_iter;
			}
		}

		if ((*prev_item_iter)->getVisible())
		{
			mFirstVisibleItem = *prev_item_iter;
		}
		break;
	}
	case SD_DOWN:
	{
		if (NULL == mFirstVisibleItem)
		{
			mFirstVisibleItem = *mItems.begin();
		}

		item_list_t::iterator cur_item_iter;

		for (cur_item_iter = mItems.begin(); cur_item_iter != mItems.end(); cur_item_iter++)
		{
			if( (*cur_item_iter) == mFirstVisibleItem)
			{
				break;
			}
		}

		item_list_t::iterator next_item_iter;

		if (cur_item_iter != mItems.end())
		{
			for (next_item_iter = ++cur_item_iter; next_item_iter != mItems.end(); next_item_iter++)
			{
				if( (*next_item_iter)->getVisible())
				{
					break;
				}
			}

			if (next_item_iter != mItems.end() &&
				(*next_item_iter)->getVisible())
			{
				mFirstVisibleItem = *next_item_iter;
			}
		}
		break;
	}
	case SD_BEGIN:
	{
		mFirstVisibleItem = *mItems.begin();
		break;
	}
	case SD_END:
	{
		item_list_t::reverse_iterator first_visible_item_iter = mItems.rend();

		// Advance by mMaxScrollableItems back from the end of the list
		// to make the last item visible.
		std::advance(first_visible_item_iter, mMaxScrollableItems);
		mFirstVisibleItem = *first_visible_item_iter;
		break;
	}
	default:
		llwarns << "Unknown scrolling direction: " << direction << llendl;
	}

	mNeedsArrange = TRUE;
	arrangeAndClear();

	return true;
}

// rearrange the child rects so they fit the shape of the menu.
void LLMenuGL::arrange( void )
{
	// calculate the height & width, and set our rect based on that
	// information.
	const LLRect& initial_rect = getRect();

	U32 width = 0, height = MENU_ITEM_PADDING;

	cleanupSpilloverBranch();

	if( mItems.size() ) 
	{
		const LLRect menu_region_rect = LLMenuGL::sMenuContainer ? LLMenuGL::sMenuContainer->getMenuRect() : LLRect(0, S32_MAX, S32_MAX, 0);

		// torn off menus are not constrained to the size of the screen
		U32 max_width = getTornOff() ? U32_MAX : menu_region_rect.getWidth();
		U32 max_height = U32_MAX;
		if (!getTornOff())
		{
			max_height = getRect().mTop - menu_region_rect.mBottom;
			if (menu_region_rect.mTop - getRect().mTop > (S32)max_height)
			{
				max_height = menu_region_rect.mTop - getRect().mTop;
			}
		}

		// *FIX: create the item first and then ask for its dimensions?
		S32 spillover_item_width = PLAIN_PAD_PIXELS + LLFontGL::getFontSansSerif()->getWidth( std::string("More") ); // *TODO: Translate
		S32 spillover_item_height = llround(LLFontGL::getFontSansSerif()->getLineHeight()) + MENU_ITEM_PADDING;

		// Scrolling support
		item_list_t::iterator first_visible_item_iter;
		item_list_t::iterator first_hidden_item_iter = mItems.end();
		S32 height_before_first_visible_item = -1;
		S32 visible_items_height = 0;
		U32 scrollable_items_cnt = 0;
		
		if (mHorizontalLayout)
		{
			item_list_t::iterator item_iter;
			for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
			{
				// do first so LLMenuGLItemCall can call on_visible to determine if visible
				(*item_iter)->buildDrawLabel();

				if ((*item_iter)->getVisible())
				{
					if (!getTornOff() 
						&& *item_iter != mSpilloverBranch
						&& width + (*item_iter)->getNominalWidth() > max_width - spillover_item_width)
					{
						// no room for any more items
						createSpilloverBranch();

						std::vector<LLMenuItemGL*> items_to_remove;
						std::copy(item_iter, mItems.end(), std::back_inserter(items_to_remove));
						std::vector<LLMenuItemGL*>::iterator spillover_iter;
						for (spillover_iter= items_to_remove.begin(); spillover_iter != items_to_remove.end(); ++spillover_iter)
						{
							LLMenuItemGL* itemp = (*spillover_iter);
							removeChild(itemp);
							mSpilloverMenu->addChild(itemp);
						}

						addChild(mSpilloverBranch);
						
						height = llmax(height, mSpilloverBranch->getNominalHeight());
						width += mSpilloverBranch->getNominalWidth();

						break;
					}
					else
					{
						// track our rect
						height = llmax(height, (*item_iter)->getNominalHeight());
						width += (*item_iter)->getNominalWidth();
					}
				}
			}
		}
		else
		{
			item_list_t::iterator item_iter;

			for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
			{
				// do first so LLMenuGLItemCall can call on_visible to determine if visible
				(*item_iter)->buildDrawLabel();
		
				if ((*item_iter)->getVisible())
				{
					if (!getTornOff() 
						&& !mScrollable
						&& *item_iter != mSpilloverBranch
						&& height + (*item_iter)->getNominalHeight() > max_height - spillover_item_height)
					{
						// no room for any more items
						createSpilloverBranch();

						std::vector<LLMenuItemGL*> items_to_remove;
						std::copy(item_iter, mItems.end(), std::back_inserter(items_to_remove));
						std::vector<LLMenuItemGL*>::iterator spillover_iter;
						for (spillover_iter= items_to_remove.begin(); spillover_iter != items_to_remove.end(); ++spillover_iter)
						{
							LLMenuItemGL* itemp = (*spillover_iter);
							removeChild(itemp);
							mSpilloverMenu->addChild(itemp);
						}


						addChild(mSpilloverBranch);

						height += mSpilloverBranch->getNominalHeight();
						width = llmax( width, mSpilloverBranch->getNominalWidth() );

						break;
					}
					else
					{
						// track our rect
						height += (*item_iter)->getNominalHeight();
						width = llmax( width, (*item_iter)->getNominalWidth() );
					}

					if (mScrollable)
					{
						// Determining visible items boundaries
						if (NULL == mFirstVisibleItem)
						{
							mFirstVisibleItem = *item_iter;
						}

						if (*item_iter == mFirstVisibleItem)
						{
							height_before_first_visible_item = height - (*item_iter)->getNominalHeight();
							first_visible_item_iter = item_iter;
							scrollable_items_cnt = 0;
						}

						if (-1 != height_before_first_visible_item && 0 == visible_items_height &&
						    (++scrollable_items_cnt > mMaxScrollableItems ||
						     height - height_before_first_visible_item > max_height - spillover_item_height * 2 ))
						{
							first_hidden_item_iter = item_iter;
							visible_items_height = height - height_before_first_visible_item - (*item_iter)->getNominalHeight();
							scrollable_items_cnt--;
						}
					}
				}
			}

			if (mPreferredWidth < U32_MAX)
				width = llmin(mPreferredWidth, max_width);
			
			if (mScrollable)
			{
				S32 max_items_height = max_height - spillover_item_height * 2;

				if (visible_items_height == 0)
					visible_items_height = height - height_before_first_visible_item;

				// Fix mFirstVisibleItem value, if it doesn't allow to display all items, that can fit
				if (visible_items_height < max_items_height && scrollable_items_cnt < mMaxScrollableItems)
				{
					item_list_t::iterator tmp_iter(first_visible_item_iter);
					while (visible_items_height < max_items_height &&
					       scrollable_items_cnt < mMaxScrollableItems &&
					       first_visible_item_iter != mItems.begin())
					{
						if ((*first_visible_item_iter)->getVisible())
						{
							// It keeps visible item, after first_visible_item_iter
							tmp_iter = first_visible_item_iter;
						}

						first_visible_item_iter--;

						if ((*first_visible_item_iter)->getVisible())
						{
							visible_items_height += (*first_visible_item_iter)->getNominalHeight();
							height_before_first_visible_item -= (*first_visible_item_iter)->getNominalHeight();
							scrollable_items_cnt++;
						}
					}

					// Roll back one item, that doesn't fit
					if (visible_items_height > max_items_height)
					{
						visible_items_height -= (*first_visible_item_iter)->getNominalHeight();
						height_before_first_visible_item += (*first_visible_item_iter)->getNominalHeight();
						scrollable_items_cnt--;
						first_visible_item_iter = tmp_iter;
					}
					if (!(*first_visible_item_iter)->getVisible())
					{
						first_visible_item_iter = tmp_iter;
					}

					mFirstVisibleItem = *first_visible_item_iter;
				}
			}
		}

		S32 cur_height = (S32)llmin(max_height, height);

		if (mScrollable &&
		    (height_before_first_visible_item > MENU_ITEM_PADDING ||
			    height_before_first_visible_item + visible_items_height < (S32)height))
		{
			// Reserving 2 extra slots for arrow items
			cur_height = visible_items_height + spillover_item_height * 2;
		}

		setRect(LLRect(getRect().mLeft, getRect().mTop, getRect().mLeft + width, getRect().mTop - cur_height));

		S32 cur_width = 0;
		S32 offset = 0;
		if (mScrollable)
		{
			// No space for all items, creating arrow items
			if (height_before_first_visible_item > MENU_ITEM_PADDING ||
			    height_before_first_visible_item + visible_items_height < (S32)height)
			{
				if (NULL == mArrowUpItem)
				{
					LLMenuScrollItem::Params item_params;
					item_params.name(ARROW_UP);
					item_params.arrow_type(LLMenuScrollItem::ARROW_UP);
					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_UP));

					mArrowUpItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params);
					LLUICtrl::addChild(mArrowUpItem);

				}
				if (NULL == mArrowDownItem)
				{
					LLMenuScrollItem::Params item_params;
					item_params.name(ARROW_DOWN);
					item_params.arrow_type(LLMenuScrollItem::ARROW_DOWN);
					item_params.scroll_callback.function(boost::bind(&LLMenuGL::scrollItems, this, SD_DOWN));

					mArrowDownItem = LLUICtrlFactory::create<LLMenuScrollItem>(item_params);
					LLUICtrl::addChild(mArrowDownItem);				
				}

				LLRect rect;
				mArrowUpItem->setRect(rect.setLeftTopAndSize( 0, cur_height, width, mArrowUpItem->getNominalHeight()));
				mArrowUpItem->setVisible(TRUE);
				mArrowUpItem->setEnabled(height_before_first_visible_item > MENU_ITEM_PADDING);
				mArrowUpItem->reshape(width, mArrowUpItem->getNominalHeight());
				mArrowDownItem->setRect(rect.setLeftTopAndSize( 0, mArrowDownItem->getNominalHeight(), width, mArrowDownItem->getNominalHeight()));
				mArrowDownItem->setVisible(TRUE);
				mArrowDownItem->setEnabled(height_before_first_visible_item + visible_items_height < (S32)height);
				mArrowDownItem->reshape(width, mArrowDownItem->getNominalHeight());

				cur_height -= mArrowUpItem->getNominalHeight();

				offset = menu_region_rect.mRight; // This moves items behind visible area
			}
			else
			{
				if (NULL != mArrowUpItem)
				{
					mArrowUpItem->setVisible(FALSE);
				}
				if (NULL != mArrowDownItem)
				{
					mArrowDownItem->setVisible(FALSE);
				}
			}

		}

		item_list_t::iterator item_iter;
		for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
		{		
			if ((*item_iter)->getVisible())
			{
				if (mScrollable)
				{
					if (item_iter == first_visible_item_iter)
					{
						offset = 0;
					}
					else if (item_iter == first_hidden_item_iter)
					{
						offset = menu_region_rect.mRight;  // This moves items behind visible area
					}
				}

				// setup item rect to hold label
				LLRect rect;
				if (mHorizontalLayout)
				{
					rect.setLeftTopAndSize( cur_width, height, (*item_iter)->getNominalWidth(), height);
					cur_width += (*item_iter)->getNominalWidth();
				}
				else
				{
					rect.setLeftTopAndSize( 0 + offset, cur_height, width, (*item_iter)->getNominalHeight());
					if (offset == 0)
					{
						cur_height -= (*item_iter)->getNominalHeight();
					}
				}
				(*item_iter)->setRect( rect );
			}
		}
	}
	if (mKeepFixedSize)
	{
		reshape(initial_rect.getWidth(), initial_rect.getHeight());
	}
}

void LLMenuGL::arrangeAndClear( void )
{
	if (mNeedsArrange)
	{
		arrange();
		mNeedsArrange = FALSE;
	}
}

void LLMenuGL::createSpilloverBranch()
{
	if (!mSpilloverBranch)
	{
		// should be NULL but delete anyway
		delete mSpilloverMenu;
		// technically, you can't tear off spillover menus, but we're passing the handle
		// along just to be safe
		LLMenuGL::Params p;
		std::string label = LLTrans::getString("More");
		p.name("More");
		p.label(label);
		p.bg_color(mBackgroundColor);
		p.bg_visible(true);
		p.can_tear_off(false);
		mSpilloverMenu = new LLMenuGL(p);
		mSpilloverMenu->updateParent(LLMenuGL::sMenuContainer);

		LLMenuItemBranchGL::Params branch_params;
		branch_params.name = "More";
		branch_params.label = label;
		branch_params.branch = mSpilloverMenu;
		branch_params.font.style = "italic";


		mSpilloverBranch = LLUICtrlFactory::create<LLMenuItemBranchGL>(branch_params);
	}
}

void LLMenuGL::cleanupSpilloverBranch()
{
	if (mSpilloverBranch && mSpilloverBranch->getParent() == this)
	{
		// head-recursion to propagate items back up to root menu
		mSpilloverMenu->cleanupSpilloverBranch();

		// pop off spillover items
		while (mSpilloverMenu->getItemCount())
		{
			LLMenuItemGL* itemp = mSpilloverMenu->getItem(0);
			mSpilloverMenu->removeChild(itemp);
			// put them at the end of our own list
			addChild(itemp);
		}
		
		// Delete the branch, and since the branch will delete the menu,
		// set the menu* to null.
		delete mSpilloverBranch;
		mSpilloverBranch = NULL;
		mSpilloverMenu = NULL;
	}
}

void LLMenuGL::createJumpKeys()
{
	if (!mCreateJumpKeys) return;
	mCreateJumpKeys = FALSE;

	mJumpKeys.clear();

	std::set<std::string> unique_words;
	std::set<std::string> shared_words;

	item_list_t::iterator item_it;
	typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
	boost::char_separator<char> sep(" ");

	for(item_it = mItems.begin(); item_it != mItems.end(); ++item_it)
	{
		std::string uppercase_label = (*item_it)->getLabel();
		LLStringUtil::toUpper(uppercase_label);

		tokenizer tokens(uppercase_label, sep);
		tokenizer::iterator token_iter;
		for( token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
		{
			if (unique_words.find(*token_iter) != unique_words.end())
			{
				// this word exists in more than one menu instance
				shared_words.insert(*token_iter);
			}
			else
			{
				// we have a new word, keep track of it
				unique_words.insert(*token_iter);
			}
		}
	}

	// pre-assign specified jump keys
	for(item_it = mItems.begin(); item_it != mItems.end(); ++item_it)
	{
		KEY jump_key = (*item_it)->getJumpKey();
		if(jump_key != KEY_NONE)
		{
			if (mJumpKeys.find(jump_key) == mJumpKeys.end())
			{
				mJumpKeys.insert(std::pair<KEY, LLMenuItemGL*>(jump_key, (*item_it)));
			}
			else
			{
				// this key is already spoken for, 
				// so we need to reassign it below
				(*item_it)->setJumpKey(KEY_NONE);
			}
		}
	}

	for(item_it = mItems.begin(); item_it != mItems.end(); ++item_it)
	{
		// skip over items that already have assigned jump keys
		if ((*item_it)->getJumpKey() != KEY_NONE)
		{
			continue;
		}
		std::string uppercase_label = (*item_it)->getLabel();
		LLStringUtil::toUpper(uppercase_label);

		tokenizer tokens(uppercase_label, sep);
		tokenizer::iterator token_iter;

		BOOL found_key = FALSE;
		for( token_iter = tokens.begin(); token_iter != tokens.end(); ++token_iter)
		{
			std::string uppercase_word = *token_iter;

			// this word is not shared with other menu entries...
			if (shared_words.find(*token_iter) == shared_words.end())
			{
				S32 i;
				for(i = 0; i < (S32)uppercase_word.size(); i++)
				{
					char jump_key = uppercase_word[i];
					
					if (LLStringOps::isDigit(jump_key) || (LLStringOps::isUpper(jump_key) &&
						mJumpKeys.find(jump_key) == mJumpKeys.end()))
					{
						mJumpKeys.insert(std::pair<KEY, LLMenuItemGL*>(jump_key, (*item_it)));
						(*item_it)->setJumpKey(jump_key);
						found_key = TRUE;
						break;
					}
				}
			}
			if (found_key)
			{
				break;
			}
		}
	}
}

// remove all items on the menu
void LLMenuGL::empty( void )
{
	cleanupSpilloverBranch();

	mItems.clear();
	mFirstVisibleItem = NULL;
	mArrowUpItem = NULL;
	mArrowDownItem = NULL;

	deleteAllChildren();
}

// Adjust rectangle of the menu
void LLMenuGL::setLeftAndBottom(S32 left, S32 bottom)
{
	setRect(LLRect(left, getRect().mTop, getRect().mRight, bottom));
	needsArrange();
}

BOOL LLMenuGL::handleJumpKey(KEY key)
{
	// must perform case-insensitive comparison, so just switch to uppercase input key
	key = toupper(key);
	navigation_key_map_t::iterator found_it = mJumpKeys.find(key);
	if(found_it != mJumpKeys.end() && found_it->second->getEnabled())
	{
		// switch to keyboard navigation mode
		LLMenuGL::setKeyboardMode(TRUE);

		// force highlight to close old menus and open and sub-menus
		found_it->second->setHighlight(TRUE);
		found_it->second->onCommit();

	}
	// if we are navigating the menus, we need to eat the keystroke
	// so rest of UI doesn't handle it
	return TRUE;
}


// Add the menu item to this menu.
BOOL LLMenuGL::append( LLMenuItemGL* item )
{
	if (!item) return FALSE;
	mItems.push_back( item );
	LLUICtrl::addChild(item);
	needsArrange();
	return TRUE;
}

// add a separator to this menu
BOOL LLMenuGL::addSeparator()
{
	LLMenuItemGL* separator = new LLMenuItemSeparatorGL();
	return addChild(separator);
}

// add a menu - this will create a cascading menu
BOOL LLMenuGL::appendMenu( LLMenuGL* menu )
{
	if( menu == this )
	{
		llerrs << "** Attempt to attach menu to itself. This is certainly "
			   << "a logic error." << llendl;
	}
	BOOL success = TRUE;

	LLMenuItemBranchGL::Params p;
	p.name = menu->getName();
	p.label = menu->getLabel();
	p.branch = menu;
	p.jump_key = menu->getJumpKey();
	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");

	LLMenuItemBranchGL* branch = LLUICtrlFactory::create<LLMenuItemBranchGL>(p);
	success &= append( branch );

	// Inherit colors
	menu->setBackgroundColor( mBackgroundColor );
	menu->updateParent(LLMenuGL::sMenuContainer);
	return success;
}

void LLMenuGL::setEnabledSubMenus(BOOL enable)
{
	setEnabled(enable);
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		(*item_iter)->setEnabledSubMenus( enable );
	}
}

// setItemEnabled() - pass the label and the enable flag for a menu
// item. TRUE will make sure it's enabled, FALSE will disable it.
void LLMenuGL::setItemEnabled( const std::string& name, BOOL enable )
{
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		if( (*item_iter)->getName() == name )
		{
			(*item_iter)->setEnabled( enable );
			(*item_iter)->setEnabledSubMenus( enable );
			break;
		}
	}
}

void LLMenuGL::setItemVisible( const std::string& name, BOOL visible )
{
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		if( (*item_iter)->getName() == name )
		{
			(*item_iter)->setVisible( visible );
			needsArrange();
			break;
		}
	}
}

void LLMenuGL::setItemLastSelected(LLMenuItemGL* item)
{
	if (getVisible())
	{
		LLMenuHolderGL::setActivatedItem(item);
	}

	// update enabled and checkmark status
	item->buildDrawLabel();
}

//  Set whether drop shadowed 
void LLMenuGL::setDropShadowed( const BOOL shadowed )
{
	mDropShadowed = shadowed;
}

void LLMenuGL::setTornOff(BOOL torn_off)
{ 
	mTornOff = torn_off;
}

U32 LLMenuGL::getItemCount()
{
	return mItems.size();
}

LLMenuItemGL* LLMenuGL::getItem(S32 number)
{
	if (number >= 0 && number < (S32)mItems.size())
	{
		item_list_t::iterator item_iter;
		for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
		{
			if (number == 0)
			{
				return (*item_iter);
			}
			number--;
		}
	}
	return NULL;
}

LLMenuItemGL* LLMenuGL::getHighlightedItem()
{
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		if ((*item_iter)->getHighlight())
		{
			return (*item_iter);
		}
	}
	return NULL;
}

LLMenuItemGL* LLMenuGL::highlightNextItem(LLMenuItemGL* cur_item, BOOL skip_disabled)
{
	if (mItems.empty()) return NULL;
	// highlighting first item on a torn off menu is the
	// same as giving focus to it
	if (!cur_item && getTornOff())
	{
		((LLFloater*)getParent())->setFocus(TRUE);
	}

	// Current item position in the items list
	item_list_t::iterator cur_item_iter = std::find(mItems.begin(), mItems.end(), cur_item);

	item_list_t::iterator next_item_iter;
	if (cur_item_iter == mItems.end())
	{
		next_item_iter = mItems.begin();
	}
	else
	{
		next_item_iter = cur_item_iter;
		next_item_iter++;

		// First visible item position in the items list
		item_list_t::iterator first_visible_item_iter = std::find(mItems.begin(), mItems.end(), mFirstVisibleItem);

		if (next_item_iter == mItems.end())
		{
			next_item_iter = mItems.begin();

			// If current item is the last in the list, the menu is scrolled to the beginning
			// and the first item is highlighted.
			if (mScrollable && !scrollItems(SD_BEGIN))
			{
				return NULL;
			}
		}
		// If current item is the last visible, the menu is scrolled one item down
		// and the next item is highlighted.
		else if (mScrollable &&
				 (U32)std::abs(std::distance(first_visible_item_iter, next_item_iter)) >= mMaxScrollableItems)
		{
			// Call highlightNextItem() recursively only if the menu was successfully scrolled down.
			// If scroll timer hasn't expired yet the menu won't be scrolled and calling
			// highlightNextItem() will result in an endless recursion.
			if (scrollItems(SD_DOWN))
			{
				return highlightNextItem(cur_item, skip_disabled);
			}
			else
			{
				return NULL;
			}
		}
	}

	// when first highlighting a menu, skip over tear off menu item
	if (mTearOffItem && !cur_item)
	{
		// we know the first item is the tear off menu item
		cur_item_iter = mItems.begin();
		next_item_iter++;
		if (next_item_iter == mItems.end())
		{
			next_item_iter = mItems.begin();
		}
	}

	while(1)
	{
		// skip separators and disabled/invisible items
		if ((*next_item_iter)->getEnabled() && (*next_item_iter)->getVisible() && !dynamic_cast<LLMenuItemSeparatorGL*>(*next_item_iter))
		{
			if (cur_item)
			{
				cur_item->setHighlight(FALSE);
			}
			(*next_item_iter)->setHighlight(TRUE);
			return (*next_item_iter);
		}


		if (!skip_disabled || next_item_iter == cur_item_iter)
		{
			break;
		}

		next_item_iter++;
		if (next_item_iter == mItems.end())
		{
			if (cur_item_iter == mItems.end())
			{
				break;
			}
			next_item_iter = mItems.begin();
		}
	}

	return NULL;
}

LLMenuItemGL* LLMenuGL::highlightPrevItem(LLMenuItemGL* cur_item, BOOL skip_disabled)
{
	if (mItems.empty()) return NULL;

	// highlighting first item on a torn off menu is the
	// same as giving focus to it
	if (!cur_item && getTornOff())
	{
		((LLFloater*)getParent())->setFocus(TRUE);
	}

	// Current item reverse position from the end of the list
	item_list_t::reverse_iterator cur_item_iter = std::find(mItems.rbegin(), mItems.rend(), cur_item);

	item_list_t::reverse_iterator prev_item_iter;
	if (cur_item_iter == mItems.rend())
	{
		prev_item_iter = mItems.rbegin();
	}
	else
	{
		prev_item_iter = cur_item_iter;
		prev_item_iter++;

		// First visible item reverse position in the items list
		item_list_t::reverse_iterator first_visible_item_iter = std::find(mItems.rbegin(), mItems.rend(), mFirstVisibleItem);

		if (prev_item_iter == mItems.rend())
		{
			prev_item_iter = mItems.rbegin();

			// If current item is the first in the list, the menu is scrolled to the end
			// and the last item is highlighted.
			if (mScrollable && !scrollItems(SD_END))
			{
				return NULL;
			}
		}
		// If current item is the first visible, the menu is scrolled one item up
		// and the previous item is highlighted.
		else if (mScrollable &&
				 std::distance(first_visible_item_iter, cur_item_iter) <= 0)
		{
			// Call highlightNextItem() only if the menu was successfully scrolled up.
			// If scroll timer hasn't expired yet the menu won't be scrolled and calling
			// highlightNextItem() will result in an endless recursion.
			if (scrollItems(SD_UP))
			{
				return highlightPrevItem(cur_item, skip_disabled);
			}
			else
			{
				return NULL;
			}
		}
	}

	while(1)
	{
		// skip separators and disabled/invisible items
		if ((*prev_item_iter)->getEnabled() && (*prev_item_iter)->getVisible() && (*prev_item_iter)->getName() != SEPARATOR_NAME)
		{
			(*prev_item_iter)->setHighlight(TRUE);
			return (*prev_item_iter);
		}

		if (!skip_disabled || prev_item_iter == cur_item_iter)
		{
			break;
		}

		prev_item_iter++;
		if (prev_item_iter == mItems.rend())
		{
			if (cur_item_iter == mItems.rend())
			{
				break;
			}

			prev_item_iter = mItems.rbegin();
		}
	}

	return NULL;
}

void LLMenuGL::buildDrawLabels()
{
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		(*item_iter)->buildDrawLabel();
	}
}

void LLMenuGL::updateParent(LLView* parentp)
{
	if (getParent())
	{
		getParent()->removeChild(this);
	}
	if (parentp)
	{
		parentp->addChild(this);
	}
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		(*item_iter)->updateBranchParent(parentp);
	}
}

BOOL LLMenuGL::handleAcceleratorKey(KEY key, MASK mask)
{
	// don't handle if not enabled
	if(!getEnabled())
	{
		return FALSE;
	}

	// Pass down even if not visible
	item_list_t::iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		LLMenuItemGL* itemp = *item_iter;
		if (itemp->handleAcceleratorKey(key, mask))
		{
			return TRUE;
		}
	}

	return FALSE;
}

BOOL LLMenuGL::handleUnicodeCharHere( llwchar uni_char )
{
	if (jumpKeysActive())
	{
		return handleJumpKey((KEY)uni_char);
	}
	return FALSE;
}

BOOL LLMenuGL::handleHover( S32 x, S32 y, MASK mask )
{
	// leave submenu in place if slope of mouse < MAX_MOUSE_SLOPE_SUB_MENU
	BOOL no_mouse_data = mLastMouseX == 0 && mLastMouseY == 0;
	S32 mouse_delta_x = no_mouse_data ? 0 : x - mLastMouseX;
	S32 mouse_delta_y = no_mouse_data ? 0 : y - mLastMouseY;
	LLVector2 mouse_dir((F32)mouse_delta_x, (F32)mouse_delta_y);
	mouse_dir.normVec();
	LLVector2 mouse_avg_dir((F32)mMouseVelX, (F32)mMouseVelY);
	mouse_avg_dir.normVec();
	F32 interp = 0.5f * (llclamp(mouse_dir * mouse_avg_dir, 0.f, 1.f));
	mMouseVelX = llround(lerp((F32)mouse_delta_x, (F32)mMouseVelX, interp));
	mMouseVelY = llround(lerp((F32)mouse_delta_y, (F32)mMouseVelY, interp));
	mLastMouseX = x;
	mLastMouseY = y;

	// don't change menu focus unless mouse is moving or alt key is not held down
	if ((llabs(mMouseVelX) > 0 || 
			llabs(mMouseVelY) > 0) &&
		(!mHasSelection ||
		//(mouse_delta_x == 0 && mouse_delta_y == 0) ||
		(mMouseVelX < 0) ||
		llabs((F32)mMouseVelY) / llabs((F32)mMouseVelX) > MAX_MOUSE_SLOPE_SUB_MENU))
	{
		for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
		{
			LLView* viewp = *child_it;
			S32 local_x = x - viewp->getRect().mLeft;
			S32 local_y = y - viewp->getRect().mBottom;
			if (!viewp->pointInView(local_x, local_y) && ((LLMenuItemGL*)viewp)->getHighlight())
			{
				// moving mouse always highlights new item
				if (mouse_delta_x != 0 || mouse_delta_y != 0)
				{
					((LLMenuItemGL*)viewp)->setHighlight(FALSE);
				}
			}
		}

		for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
		{
			LLView* viewp = *child_it;
			S32 local_x = x - viewp->getRect().mLeft;
			S32 local_y = y - viewp->getRect().mBottom;
			//RN: always call handleHover to track mGotHover status
			// but only set highlight when mouse is moving
			if( viewp->getVisible() && 
				//RN: allow disabled items to be highlighted to preserve "active" menus when
				// moving mouse through them
				//viewp->getEnabled() && 
				viewp->pointInView(local_x, local_y) && 
				viewp->handleHover(local_x, local_y, mask))
			{
				// moving mouse always highlights new item
				if (mouse_delta_x != 0 || mouse_delta_y != 0)
				{
					((LLMenuItemGL*)viewp)->setHighlight(TRUE);
					LLMenuGL::setKeyboardMode(FALSE);
				}
				mHasSelection = true;
			}
		}
	}
	getWindow()->setCursor(UI_CURSOR_ARROW);

	// *HACK Release the mouse capture
	// This is done to release the mouse after the Navigation Bar "Back" or "Forward" button
	// drop-down menu is shown. Otherwise any other view won't be able to handle mouse events
	// until the user chooses one of the drop-down menu items.

	return TRUE;
}

BOOL LLMenuGL::handleScrollWheel( S32 x, S32 y, S32 clicks )
{
	if (!mScrollable)
		return blockMouseEvent(x, y);

	if( clicks > 0 )
	{
		while( clicks-- )
			scrollItems(SD_DOWN);
	}
	else
	{
		while( clicks++ )
			scrollItems(SD_UP);
	}

	return TRUE;
}


void LLMenuGL::draw( void )
{
	if (mNeedsArrange)
	{
		arrange();
		mNeedsArrange = FALSE;
	}
	if (mDropShadowed && !mTornOff)
	{
		static LLUICachedControl<S32> drop_shadow_floater ("DropShadowFloater", 0);
		static LLUIColor color_drop_shadow = LLUIColorTable::instance().getColor("ColorDropShadow");
		gl_drop_shadow(0, getRect().getHeight(), getRect().getWidth(), 0, 
			color_drop_shadow, drop_shadow_floater );
	}

	if( mBgVisible )
	{
		gl_rect_2d( 0, getRect().getHeight(), getRect().getWidth(), 0, mBackgroundColor.get() );
	}
	LLView::draw();
}

void LLMenuGL::drawBackground(LLMenuItemGL* itemp, F32 alpha)
{
	LLColor4 color = itemp->getHighlightBgColor() % alpha;
	gGL.color4fv( color.mV );
	LLRect item_rect = itemp->getRect();
	gl_rect_2d( 0, item_rect.getHeight(), item_rect.getWidth(), 0);
}

void LLMenuGL::setVisible(BOOL visible)
{
	if (visible != getVisible())
	{
		if (!visible)
		{
			mFadeTimer.start();
			clearHoverItem();
			// reset last known mouse coordinates so
			// we don't spoof a mouse move next time we're opened
			mLastMouseX = 0;
			mLastMouseY = 0;
		}
		else
		{
			mHasSelection = true;
			mFadeTimer.stop();
		}

		LLView::setVisible(visible);
	}
}

LLMenuGL* LLMenuGL::findChildMenuByName(const std::string& name, BOOL recurse) const
{
	LLView* view = findChildView(name, recurse);
	if (view)
	{
		LLMenuItemBranchGL* branch = dynamic_cast<LLMenuItemBranchGL*>(view);
		if (branch)
		{
			return branch->getBranch();
		}

		LLMenuGL* menup = dynamic_cast<LLMenuGL*>(view);
		if (menup)
		{
			return menup;
		}
	}
	llwarns << "Child Menu " << name << " not found in menu " << getName() << llendl;
	return NULL;
}

BOOL LLMenuGL::clearHoverItem()
{
	for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
	{
		LLMenuItemGL* itemp = (LLMenuItemGL*)*child_it;
		if (itemp->getHighlight())
		{
			itemp->setHighlight(FALSE);
			return TRUE;
		}
	}		
	return FALSE;
}

void hide_top_view( LLView* view )
{
	if( view ) view->setVisible( FALSE );
}


// x and y are the desired location for the popup, in the spawning_view's
// coordinate frame, NOT necessarily the mouse location
// static
void LLMenuGL::showPopup(LLView* spawning_view, LLMenuGL* menu, S32 x, S32 y)
{
	const S32 CURSOR_HEIGHT = 22;		// Approximate "normal" cursor size
	const S32 CURSOR_WIDTH = 12;

	if(menu->getChildList()->empty())
	{
		return;
	}

	// Save click point for detecting cursor moves before mouse-up.
	// Must be in local coords to compare with mouseUp events.
	// If the mouse doesn't move, the menu will stay open ala the Mac.
	// See also LLContextMenu::show()
	S32 mouse_x, mouse_y;

	// Resetting scrolling position
	if (menu->isScrollable())
	{
		menu->mFirstVisibleItem = NULL;
	}

	menu->setVisible( TRUE );

	// Fix menu rect if needed.
	menu->needsArrange();
	menu->arrangeAndClear();

	LLUI::getMousePositionLocal(menu->getParent(), &mouse_x, &mouse_y);
	LLMenuHolderGL::sContextMenuSpawnPos.set(mouse_x,mouse_y);

	const LLRect menu_region_rect = LLMenuGL::sMenuContainer->getRect();

	const S32 HPAD = 2;
	LLRect rect = menu->getRect();
	S32 left = x + HPAD;
	S32 top = y;
	spawning_view->localPointToOtherView(left, top, &left, &top, menu->getParent());
	rect.setLeftTopAndSize( left, top,
							rect.getWidth(), rect.getHeight() );
	menu->setRect( rect );


	// Adjust context menu to fit onscreen
	LLRect mouse_rect;
	const S32 MOUSE_CURSOR_PADDING = 5;
	mouse_rect.setLeftTopAndSize(mouse_x - MOUSE_CURSOR_PADDING, 
		mouse_y + MOUSE_CURSOR_PADDING, 
		CURSOR_WIDTH + MOUSE_CURSOR_PADDING * 2, 
		CURSOR_HEIGHT + MOUSE_CURSOR_PADDING * 2);
	menu->translateIntoRectWithExclusion( menu_region_rect, mouse_rect, FALSE );
	menu->getParent()->sendChildToFront(menu);



}

///============================================================================
/// Class LLMenuBarGL
///============================================================================

static LLDefaultChildRegistry::Register<LLMenuBarGL> r2("menu_bar");

LLMenuBarGL::LLMenuBarGL( const Params& p )
:	LLMenuGL(p),
	mAltKeyTrigger(FALSE)
{}

// Default destructor
LLMenuBarGL::~LLMenuBarGL()
{
	std::for_each(mAccelerators.begin(), mAccelerators.end(), DeletePointer());
	mAccelerators.clear();
}

BOOL LLMenuBarGL::handleAcceleratorKey(KEY key, MASK mask)
{
	if (getHighlightedItem() && mask == MASK_NONE)
	{
		// unmodified key accelerators are ignored when navigating menu
		// (but are used as jump keys so will still work when appropriate menu is up)
		return FALSE;
	}
	BOOL result = LLMenuGL::handleAcceleratorKey(key, mask);
	if (result && mask & MASK_ALT)
	{
		// ALT key used to trigger hotkey, don't use as shortcut to open menu
		mAltKeyTrigger = FALSE;
	}

	if(!result 
		&& (key == KEY_F10 && mask == MASK_CONTROL) 
		&& !gKeyboard->getKeyRepeated(key)
		&& isInVisibleChain())
	{
		if (getHighlightedItem())
		{
			clearHoverItem();
		}
		else
		{
			// close menus originating from other menu bars when first opening menu via keyboard
			LLMenuGL::sMenuContainer->hideMenus();
			highlightNextItem(NULL);
			LLMenuGL::setKeyboardMode(TRUE);
		}
		return TRUE;
	}

	return result;
}

BOOL LLMenuBarGL::handleKeyHere(KEY key, MASK mask)
{
	static LLUICachedControl<bool> use_altkey_for_menus ("UseAltKeyForMenus", 0);
	if(key == KEY_ALT && !gKeyboard->getKeyRepeated(key) && use_altkey_for_menus)
	{
		mAltKeyTrigger = TRUE;
	}
	else // if any key other than ALT hit, clear out waiting for Alt key mode
	{
		mAltKeyTrigger = FALSE;
	}
	
	if (key == KEY_ESCAPE && mask == MASK_NONE)
	{
		LLMenuGL::setKeyboardMode(FALSE);
		// if any menus are visible, this will return TRUE, stopping further processing of ESCAPE key
		return LLMenuGL::sMenuContainer->hideMenus();
	}

	// before processing any other key, check to see if ALT key has triggered menu access
	checkMenuTrigger();

	return LLMenuGL::handleKeyHere(key, mask);
}

BOOL LLMenuBarGL::handleJumpKey(KEY key)
{
	// perform case-insensitive comparison
	key = toupper(key);
	navigation_key_map_t::iterator found_it = mJumpKeys.find(key);
	if(found_it != mJumpKeys.end() && found_it->second->getEnabled())
	{
		// switch to keyboard navigation mode
		LLMenuGL::setKeyboardMode(TRUE);

		found_it->second->setHighlight(TRUE);
		found_it->second->onCommit();
	}
	return TRUE;
}

BOOL LLMenuBarGL::handleMouseDown(S32 x, S32 y, MASK mask)
{
	// clicks on menu bar closes existing menus from other contexts but leave
	// own menu open so that we get toggle behavior
	if (!getHighlightedItem() || !getHighlightedItem()->isActive())
	{
		LLMenuGL::sMenuContainer->hideMenus();
	}

	return LLMenuGL::handleMouseDown(x, y, mask);
}

void LLMenuBarGL::draw()
{
	LLMenuItemGL* itemp = getHighlightedItem();
	// If we are in mouse-control mode and the mouse cursor is not hovering over
	// the current highlighted menu item and it isn't open, then remove the
	// highlight. This is done via a polling mechanism here, as we don't receive
    // notifications when the mouse cursor moves off of us
	if (itemp && !itemp->isOpen() && !itemp->getHover() && !LLMenuGL::getKeyboardMode())
	{
		clearHoverItem();
	}

	checkMenuTrigger();

	LLMenuGL::draw();
}


void LLMenuBarGL::checkMenuTrigger()
{
	// has the ALT key been pressed and subsequently released?
	if (mAltKeyTrigger && !gKeyboard->getKeyDown(KEY_ALT))
	{
		// if alt key was released quickly, treat it as a menu access key
		// otherwise it was probably an Alt-zoom or similar action
		static LLUICachedControl<F32> menu_access_key_time ("MenuAccessKeyTime", 0);
		if (gKeyboard->getKeyElapsedTime(KEY_ALT) <= menu_access_key_time ||
			gKeyboard->getKeyElapsedFrameCount(KEY_ALT) < 2)
		{
			if (getHighlightedItem())
			{
				clearHoverItem();
			}
			else
			{
				// close menus originating from other menu bars
				LLMenuGL::sMenuContainer->hideMenus();

				highlightNextItem(NULL);
				LLMenuGL::setKeyboardMode(TRUE);
			}
		}
		mAltKeyTrigger = FALSE;
	}
}

BOOL LLMenuBarGL::jumpKeysActive()
{
	// require user to be in keyboard navigation mode to activate key triggers
	// as menu bars are always visible and it is easy to leave the mouse cursor over them
	return LLMenuGL::getKeyboardMode() && getHighlightedItem() && LLMenuGL::jumpKeysActive();
}

// rearrange the child rects so they fit the shape of the menu bar.
void LLMenuBarGL::arrange( void )
{
	U32 pos = 0;
	LLRect rect( 0, getRect().getHeight(), 0, 0 );
	item_list_t::const_iterator item_iter;
	for (item_iter = mItems.begin(); item_iter != mItems.end(); ++item_iter)
	{
		LLMenuItemGL* item = *item_iter;
		if (item->getVisible())
		{
			rect.mLeft = pos;
			pos += item->getNominalWidth();
			rect.mRight = pos;
			item->setRect( rect );
			item->buildDrawLabel();
		}
	}
	reshape(rect.mRight, rect.getHeight());
}


S32 LLMenuBarGL::getRightmostMenuEdge()
{
	// Find the last visible menu
	item_list_t::reverse_iterator item_iter;
	for (item_iter = mItems.rbegin(); item_iter != mItems.rend(); ++item_iter)
	{
		if ((*item_iter)->getVisible())
		{
			break;
		}
	}

	if (item_iter == mItems.rend())
	{
		return 0;
	}
	return (*item_iter)->getRect().mRight;
}

// add a vertical separator to this menu
BOOL LLMenuBarGL::addSeparator()
{
	LLMenuItemGL* separator = new LLMenuItemVerticalSeparatorGL();
	return append( separator );
}

// add a menu - this will create a drop down menu.
BOOL LLMenuBarGL::appendMenu( LLMenuGL* menu )
{
	if( menu == this )
	{
		llerrs << "** Attempt to attach menu to itself. This is certainly "
			   << "a logic error." << llendl;
	}

	BOOL success = TRUE;

	// *TODO: Hack! Fix this
	LLMenuItemBranchDownGL::Params p;
	p.name = menu->getName();
	p.label = menu->getLabel();
	p.visible = menu->getVisible();
	p.branch = menu;
	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");

	LLMenuItemBranchDownGL* branch = LLUICtrlFactory::create<LLMenuItemBranchDownGL>(p);
	success &= branch->addToAcceleratorList(&mAccelerators);
	success &= append( branch );
	branch->setJumpKey(branch->getJumpKey());
	menu->updateParent(LLMenuGL::sMenuContainer);
	
	return success;
}

BOOL LLMenuBarGL::handleHover( S32 x, S32 y, MASK mask )
{
	BOOL handled = FALSE;
	LLView* active_menu = NULL;

	BOOL no_mouse_data = mLastMouseX == 0 && mLastMouseY == 0;
	S32 mouse_delta_x = no_mouse_data ? 0 : x - mLastMouseX;
	S32 mouse_delta_y = no_mouse_data ? 0 : y - mLastMouseY;
	mMouseVelX = (mMouseVelX / 2) + (mouse_delta_x / 2);
	mMouseVelY = (mMouseVelY / 2) + (mouse_delta_y / 2);
	mLastMouseX = x;
	mLastMouseY = y;

	// if nothing currently selected or mouse has moved since last call, pick menu item via mouse
	// otherwise let keyboard control it
	if (!getHighlightedItem() || !LLMenuGL::getKeyboardMode() || llabs(mMouseVelX) > 0 || llabs(mMouseVelY) > 0)
	{
		// find current active menu
		for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
		{
			LLView* viewp = *child_it;
			if (((LLMenuItemGL*)viewp)->isOpen())
			{
				active_menu = viewp;
			}
		}

		// check for new active menu
		for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
		{
			LLView* viewp = *child_it;
			S32 local_x = x - viewp->getRect().mLeft;
			S32 local_y = y - viewp->getRect().mBottom;
			if( viewp->getVisible() && 
				viewp->getEnabled() &&
				viewp->pointInView(local_x, local_y) && 
				viewp->handleHover(local_x, local_y, mask))
			{
				((LLMenuItemGL*)viewp)->setHighlight(TRUE);
				handled = TRUE;
				if (active_menu && active_menu != viewp)
				{
					((LLMenuItemGL*)viewp)->onCommit();
					LLMenuGL::setKeyboardMode(FALSE);
				}
				LLMenuGL::setKeyboardMode(FALSE);
			}
		}

		if (handled)
		{
			// set hover false on inactive menus
			for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
			{
				LLView* viewp = *child_it;
				S32 local_x = x - viewp->getRect().mLeft;
				S32 local_y = y - viewp->getRect().mBottom;
				if (!viewp->pointInView(local_x, local_y) && ((LLMenuItemGL*)viewp)->getHighlight())
				{
					((LLMenuItemGL*)viewp)->setHighlight(FALSE);
				}
			}
		}
	}

	getWindow()->setCursor(UI_CURSOR_ARROW);
	
	return TRUE;
}

///============================================================================
/// Class LLMenuHolderGL
///============================================================================
LLCoordGL LLMenuHolderGL::sContextMenuSpawnPos(S32_MAX, S32_MAX);

LLMenuHolderGL::LLMenuHolderGL(const LLMenuHolderGL::Params& p)
	: LLPanel(p)
{
	sItemActivationTimer.stop();
	mCanHide = TRUE;
}

void LLMenuHolderGL::draw()
{
	LLView::draw();
	// now draw last selected item as overlay
	LLMenuItemGL* selecteditem = (LLMenuItemGL*)sItemLastSelectedHandle.get();
	if (selecteditem && selecteditem->getVisible() && sItemActivationTimer.getStarted() && sItemActivationTimer.getElapsedTimeF32() < ACTIVATE_HIGHLIGHT_TIME)
	{
		// make sure toggle items, for example, show the proper state when fading out
		selecteditem->buildDrawLabel();

		LLRect item_rect;
		selecteditem->localRectToOtherView(selecteditem->getLocalRect(), &item_rect, this);

		F32 interpolant = sItemActivationTimer.getElapsedTimeF32() / ACTIVATE_HIGHLIGHT_TIME;
		
		LLUI::pushMatrix();
		{
			LLUI::translate((F32)item_rect.mLeft, (F32)item_rect.mBottom, 0.f);
			selecteditem->getMenu()->drawBackground(selecteditem, interpolant);
			selecteditem->draw();
		}
		LLUI::popMatrix();
	}
}

BOOL LLMenuHolderGL::handleMouseDown( S32 x, S32 y, MASK mask )
{
	BOOL handled = LLView::childrenHandleMouseDown(x, y, mask) != NULL;
	if (!handled)
	{
		// clicked off of menu, hide them all
		hideMenus();
	}
	return handled;
}

BOOL LLMenuHolderGL::handleRightMouseDown( S32 x, S32 y, MASK mask )
{
	BOOL handled = LLView::childrenHandleRightMouseDown(x, y, mask) != NULL;
	if (!handled)
	{
		// clicked off of menu, hide them all
		hideMenus();
	}
	return handled;
}

// This occurs when you mouse-down to spawn a context menu, hold the button 
// down, move off the menu, then mouse-up.  We want this to close the menu.
BOOL LLMenuHolderGL::handleRightMouseUp( S32 x, S32 y, MASK mask )
{
	const S32 SLOP = 2;
	S32 spawn_dx = (x - sContextMenuSpawnPos.mX);
	S32 spawn_dy = (y - sContextMenuSpawnPos.mY);
	if (-SLOP <= spawn_dx && spawn_dx <= SLOP
		&& -SLOP <= spawn_dy && spawn_dy <= SLOP)
	{
		// we're still inside the slop region from spawning this menu
		// so interpret the mouse-up as a single-click to show and leave on
		// screen
		sContextMenuSpawnPos.set(S32_MAX, S32_MAX);
		return TRUE;
	}

	BOOL handled = LLView::childrenHandleRightMouseUp(x, y, mask) != NULL;
	if (!handled)
	{
		// clicked off of menu, hide them all
		hideMenus();
	}
	return handled;
}

BOOL LLMenuHolderGL::handleKey(KEY key, MASK mask, BOOL called_from_parent)
{
	BOOL handled =  false;
	LLMenuGL* const  pMenu  = dynamic_cast<LLMenuGL*>(getVisibleMenu());
			
	if (pMenu)
	{
		//eat TAB key - EXT-7000
		if (key == KEY_TAB && mask == MASK_NONE)
		{
			return TRUE;
		}

		//handle ESCAPE and RETURN key
		handled = LLPanel::handleKey(key, mask, called_from_parent);
		if (!handled)
		{
			if (pMenu->getHighlightedItem())
			{
				handled = pMenu->handleKey(key, mask, TRUE);
			}
			else
			{
				//highlight first enabled one
				if(pMenu->highlightNextItem(NULL))
				{
					handled = true;
				}
			}
		}
	}
	
	return handled;
	
}

void LLMenuHolderGL::reshape(S32 width, S32 height, BOOL called_from_parent)
{
	if (width != getRect().getWidth() || height != getRect().getHeight())
	{
		hideMenus();
	}
	LLView::reshape(width, height, called_from_parent);
}

LLView* const LLMenuHolderGL::getVisibleMenu() const
{
	for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
	{
		LLView* viewp = *child_it;
		if (viewp->getVisible() && dynamic_cast<LLMenuGL*>(viewp) != NULL)
		{
			return viewp;
		}
	}
	return NULL;
}


BOOL LLMenuHolderGL::hideMenus()
{
	if (!mCanHide)
	{
		return FALSE;
	}
	BOOL menu_visible = hasVisibleMenu();
	if (menu_visible)
	{
		LLMenuGL::setKeyboardMode(FALSE);
		// clicked off of menu, hide them all
		for ( child_list_const_iter_t child_it = getChildList()->begin(); child_it != getChildList()->end(); ++child_it)
		{
			LLView* viewp = *child_it;
			if (dynamic_cast<LLMenuGL*>(viewp) != NULL && viewp->getVisible())
			{
				viewp->setVisible(FALSE);
			}
		}
	}
	//if (gFocusMgr.childHasKeyboardFocus(this))
	//{
	//	gFocusMgr.setKeyboardFocus(NULL);
	//}

	return menu_visible;
}

void LLMenuHolderGL::setActivatedItem(LLMenuItemGL* item)
{
	sItemLastSelectedHandle = item->getHandle();
	sItemActivationTimer.start();
}

///============================================================================
/// Class LLTearOffMenu
///============================================================================
LLTearOffMenu::LLTearOffMenu(LLMenuGL* menup) : 
	LLFloater(LLSD())
{
	S32 floater_header_size = getHeaderHeight();

	setName(menup->getName());
	setTitle(menup->getLabel());
	setCanMinimize(FALSE);
	// flag menu as being torn off
	menup->setTornOff(TRUE);
	// update menu layout as torn off menu (no spillover menus)
	menup->needsArrange();

	LLRect rect;
	menup->localRectToOtherView(LLRect(-1, menup->getRect().getHeight(), menup->getRect().getWidth() + 3, 0), &rect, gFloaterView);
	// make sure this floater is big enough for menu
	mTargetHeight = (F32)(rect.getHeight() + floater_header_size);
	reshape(rect.getWidth(), rect.getHeight());
	setRect(rect);

	// attach menu to floater
	menup->setFollows( FOLLOWS_LEFT | FOLLOWS_BOTTOM );
	mOldParent = menup->getParent();
	addChild(menup);
	menup->setVisible(TRUE);
	LLRect menu_rect = menup->getRect();
	menu_rect.setOriginAndSize( 1, 1,
		menu_rect.getWidth(), menu_rect.getHeight());
	menup->setRect(menu_rect);
	menup->setDropShadowed(FALSE);

	mMenu = menup;

	// highlight first item (tear off item will be disabled)
	mMenu->highlightNextItem(NULL);

	// Can't do this in postBuild() because that is only called for floaters
	// constructed from XML.
	mCloseSignal.connect(boost::bind(&LLTearOffMenu::closeTearOff, this));
}

LLTearOffMenu::~LLTearOffMenu()
{
}

void LLTearOffMenu::draw()
{
	mMenu->setBackgroundVisible(isBackgroundOpaque());
	mMenu->needsArrange();

	if (getRect().getHeight() != mTargetHeight)
	{
		// animate towards target height
		reshape(getRect().getWidth(), llceil(lerp((F32)getRect().getHeight(), mTargetHeight, LLCriticalDamp::getInterpolant(0.05f))));
	}
	LLFloater::draw();
}

void LLTearOffMenu::onFocusReceived()
{
	// if nothing is highlighted, just highlight first item
	if (!mMenu->getHighlightedItem())
	{
		mMenu->highlightNextItem(NULL);
	}

	// parent menu items get highlights so navigation logic keeps working
	LLMenuItemGL* parent_menu_item = mMenu->getParentMenuItem();
	while(parent_menu_item)
	{
		if (parent_menu_item->getMenu()->getVisible())
		{
			parent_menu_item->setHighlight(TRUE);
			parent_menu_item = parent_menu_item->getMenu()->getParentMenuItem();
		}
		else
		{
			break;
		}
	}
	LLFloater::onFocusReceived();
}

void LLTearOffMenu::onFocusLost()
{
	// remove highlight from parent item and our own menu
	mMenu->clearHoverItem();
	LLFloater::onFocusLost();
}

BOOL LLTearOffMenu::handleUnicodeChar(llwchar uni_char, BOOL called_from_parent)
{
	// pass keystrokes down to menu
	return mMenu->handleUnicodeChar(uni_char, TRUE);
}

BOOL LLTearOffMenu::handleKeyHere(KEY key, MASK mask)
{
	if (!mMenu->getHighlightedItem())
	{
		if (key == KEY_UP)
		{
			mMenu->highlightPrevItem(NULL);		
			return TRUE;
		}
		else if (key == KEY_DOWN)
		{
			mMenu->highlightNextItem(NULL);
			return TRUE;
		}
	}
	// pass keystrokes down to menu
	return mMenu->handleKey(key, mask, TRUE);
}

void LLTearOffMenu::translate(S32 x, S32 y)
{
	if (x != 0 && y != 0)
	{
		// hide open sub-menus by clearing current hover item
		mMenu->clearHoverItem();
	}
	LLFloater::translate(x, y);
}

//static
LLTearOffMenu* LLTearOffMenu::create(LLMenuGL* menup)
{
	LLTearOffMenu* tearoffp = new LLTearOffMenu(menup);
	// keep onscreen
	gFloaterView->adjustToFitScreen(tearoffp, FALSE);
	tearoffp->openFloater(LLSD());

	return tearoffp;
}

void LLTearOffMenu::closeTearOff()
{
	removeChild(mMenu);
	mOldParent->addChild(mMenu);
	mMenu->clearHoverItem();
	mMenu->setFollowsNone();
	mMenu->setBackgroundVisible(TRUE);
	mMenu->setVisible(FALSE);
	mMenu->setTornOff(FALSE);
	mMenu->setDropShadowed(TRUE);
}


//-----------------------------------------------------------------------------
// class LLContextMenuBranch
// A branch to another context menu
//-----------------------------------------------------------------------------
class LLContextMenuBranch : public LLMenuItemGL
{
public:
	struct Params : public LLInitParam::Block<Params, LLMenuItemGL::Params>
	{
		Mandatory<LLContextMenu*> branch;
	};

	LLContextMenuBranch(const Params&);

	virtual ~LLContextMenuBranch()
	{}

	// called to rebuild the draw label
	virtual void	buildDrawLabel( void );

	// onCommit() - do the primary funcationality of the menu item.
	virtual void	onCommit( void );

	LLContextMenu*	getBranch() { return mBranch.get(); }
	void			setHighlight( BOOL highlight );

protected:
	void	showSubMenu();

	LLHandle<LLContextMenu> mBranch;
};

LLContextMenuBranch::LLContextMenuBranch(const LLContextMenuBranch::Params& p) 
:	LLMenuItemGL(p),
	mBranch( p.branch()->getHandle() )
{
	mBranch.get()->hide();
	mBranch.get()->setParentMenuItem(this);
}

// called to rebuild the draw label
void LLContextMenuBranch::buildDrawLabel( void )
{
	{
		// default enablement is this -- if any of the subitems are
		// enabled, this item is enabled. JC
		U32 sub_count = mBranch.get()->getItemCount();
		U32 i;
		BOOL any_enabled = FALSE;
		for (i = 0; i < sub_count; i++)
		{
			LLMenuItemGL* item = mBranch.get()->getItem(i);
			item->buildDrawLabel();
			if (item->getEnabled() && !item->getDrawTextDisabled() )
			{
				any_enabled = TRUE;
				break;
			}
		}
		setDrawTextDisabled(!any_enabled);
		setEnabled(TRUE);
	}

	mDrawAccelLabel.clear();
	std::string st = mDrawAccelLabel;
	appendAcceleratorString( st );
	mDrawAccelLabel = st;
	
	mDrawBranchLabel = LLMenuGL::BRANCH_SUFFIX;
}

void	LLContextMenuBranch::showSubMenu()
{
	LLMenuItemGL* menu_item = mBranch.get()->getParentMenuItem();
	if (menu_item != NULL && menu_item->getVisible())
	{
		S32 center_x;
		S32 center_y;
		localPointToScreen(getRect().getWidth(), getRect().getHeight() , &center_x, &center_y);
		mBranch.get()->show(center_x, center_y);
	}
}

// onCommit() - do the primary funcationality of the menu item.
void LLContextMenuBranch::onCommit( void )
{
	showSubMenu();

}
void LLContextMenuBranch::setHighlight( BOOL highlight )
{
	if (highlight == getHighlight()) return;
	LLMenuItemGL::setHighlight(highlight);
	if( highlight )
	{
		showSubMenu();
	}
	else
	{
		mBranch.get()->hide();
	}
}


///////////////////////////////////////////////////////////////////////////////////////////////////////////
//-----------------------------------------------------------------------------
// class LLContextMenu
// A context menu
//-----------------------------------------------------------------------------
static LLDefaultChildRegistry::Register<LLContextMenu> context_menu_register("context_menu");
static MenuRegistry::Register<LLContextMenu> context_menu_register2("context_menu");


LLContextMenu::LLContextMenu(const Params& p)
:	LLMenuGL(p),
	mHoveredAnyItem(FALSE),
	mHoverItem(NULL)
{
	//setBackgroundVisible(TRUE);
}

void LLContextMenu::setVisible(BOOL visible)
{
	if (!visible)
		hide();
}

// Takes cursor position in screen space?
void LLContextMenu::show(S32 x, S32 y)
{
	if (getChildList()->empty())
	{
		// nothing to show, so abort
		return;
	}
	// Save click point for detecting cursor moves before mouse-up.
	// Must be in local coords to compare with mouseUp events.
	// If the mouse doesn't move, the menu will stay open ala the Mac.
	// See also LLMenuGL::showPopup()
	LLMenuHolderGL::sContextMenuSpawnPos.set(x,y);

	arrangeAndClear();

	S32 width = getRect().getWidth();
	S32 height = getRect().getHeight();
	const LLRect menu_region_rect = LLMenuGL::sMenuContainer->getMenuRect();
	LLView* parent_view = getParent();

	// Open upwards if menu extends past bottom
	if (y - height < menu_region_rect.mBottom)
	{
		if (getParentMenuItem()) // Adjust if this is a submenu
		{
			y += height - getParentMenuItem()->getNominalHeight();		
		}
		else
		{
			y += height;
		}
	}

	// Open out to the left if menu extends past right edge
	if (x + width > menu_region_rect.mRight)
	{
		if (getParentMenuItem())
		{
			x -= getParentMenuItem()->getRect().getWidth() + width;
		}
		else
		{
			x -= width;
		}
	}

	S32 local_x, local_y;
	parent_view->screenPointToLocal(x, y, &local_x, &local_y);

	LLRect rect;
	rect.setLeftTopAndSize(local_x, local_y, width, height);
	setRect(rect);
	arrange();

	LLView::setVisible(TRUE);
}

void LLContextMenu::hide()
{
	if (!getVisible()) return;

	LLView::setVisible(FALSE);

	if (mHoverItem)
	{
		mHoverItem->setHighlight( FALSE );
	}
	mHoverItem = NULL;
}


BOOL LLContextMenu::handleHover( S32 x, S32 y, MASK mask )
{
	LLMenuGL::handleHover(x,y,mask);

	BOOL handled = FALSE;

	LLMenuItemGL *item = getHighlightedItem();

	if (item && item->getEnabled())
	{
		getWindow()->setCursor(UI_CURSOR_ARROW);
		handled = TRUE;

		if (item != mHoverItem)
		{
			if (mHoverItem)
			{
				mHoverItem->setHighlight( FALSE );
			}
			mHoverItem = item;
			mHoverItem->setHighlight( TRUE );
		}
		mHoveredAnyItem = TRUE;
	}
	else
	{
		// clear out our selection
		if (mHoverItem)
		{
			mHoverItem->setHighlight(FALSE);
			mHoverItem = NULL;
		}
	}

	if( !handled && pointInView( x, y ) )
	{
		getWindow()->setCursor(UI_CURSOR_ARROW);
		handled = TRUE;
	}

	return handled;
}

// handleMouseDown and handleMouseUp are handled by LLMenuGL


BOOL LLContextMenu::handleRightMouseDown(S32 x, S32 y, MASK mask)
{
	BOOL handled = FALSE;

	// The click was somewhere within our rectangle
	LLMenuItemGL *item = getHighlightedItem();

	S32 local_x = x - getRect().mLeft;
	S32 local_y = y - getRect().mBottom;

	BOOL clicked_in_menu = pointInView(local_x, local_y) ;

	// grab mouse if right clicking anywhere within pie (even deadzone in middle), to detect drag outside of pie
	if (clicked_in_menu)
	{
		// capture mouse cursor as if on initial menu show
		handled = TRUE;
	}
	
	if (item)
	{
		// lie to the item about where the click happened
		// to make sure it's within the item's rectangle
		if (item->handleMouseDown( 0, 0, mask ))
		{
			handled = TRUE;
		}
	}

	return handled;
}

BOOL LLContextMenu::handleRightMouseUp( S32 x, S32 y, MASK mask )
{
	S32 local_x = x - getRect().mLeft;
	S32 local_y = y - getRect().mBottom;

	if (!mHoveredAnyItem && !pointInView(local_x, local_y))
	{
		sMenuContainer->hideMenus();
		return TRUE;
	}


	BOOL result = handleMouseUp( x, y, mask );
	mHoveredAnyItem = FALSE;
	
	return result;
}

void LLContextMenu::draw()
{
	LLMenuGL::draw();
}

BOOL LLContextMenu::appendContextSubMenu(LLContextMenu *menu)
{
	
	if (menu == this)
	{
		llerrs << "Can't attach a context menu to itself" << llendl;
	}

	LLContextMenuBranch *item;
	LLContextMenuBranch::Params p;
	p.name = menu->getName();
	p.label = menu->getLabel();
	p.branch = menu;
	p.enabled_color=LLUIColorTable::instance().getColor("MenuItemEnabledColor");
	p.disabled_color=LLUIColorTable::instance().getColor("MenuItemDisabledColor");
	p.highlight_bg_color=LLUIColorTable::instance().getColor("MenuItemHighlightBgColor");
	p.highlight_fg_color=LLUIColorTable::instance().getColor("MenuItemHighlightFgColor");
	
	item = LLUICtrlFactory::create<LLContextMenuBranch>(p);
	LLMenuGL::sMenuContainer->addChild(item->getBranch());

	return append( item );
}

bool LLContextMenu::addChild(LLView* view, S32 tab_group)
{
	LLContextMenu* context = dynamic_cast<LLContextMenu*>(view);
	if (context)
		return appendContextSubMenu(context);

	LLMenuItemSeparatorGL* separator = dynamic_cast<LLMenuItemSeparatorGL*>(view);
	if (separator)
		return append(separator);

	LLMenuItemGL* item = dynamic_cast<LLMenuItemGL*>(view);
	if (item)
		return append(item);

	return false;
}