summaryrefslogtreecommitdiff
path: root/src/tabs.py
blob: 80182a5215e2795c6ce822436df7066afd0d1c1c (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
# Copyright 2010-2011 Florent Le Coz <louiz@louiz.org>
#
# This file is part of Poezio.
#
# Poezio is free software: you can redistribute it and/or modify
# it under the terms of the zlib license. See the COPYING file.

"""
a Tab object is a way to organize various Windows (see windows.py)
around the screen at once.
A tab is then composed of multiple Buffers.
Each Tab object has different refresh() and resize() methods, defining how its
Windows are displayed, resized, etc.
"""

MIN_WIDTH = 42
MIN_HEIGHT = 6

import logging
log = logging.getLogger(__name__)

from gettext import gettext as _

import windows
import curses
import fixes
import difflib
import string
import common
import core
import singleton
import random
import xhtml
import weakref
import timed_events
import os
import time

import multiuserchat as muc

from theming import get_theme, dump_tuple

from common import safeJID
from decorators import refresh_wrapper
from sleekxmpp import JID, InvalidJID
from sleekxmpp.xmlstream import matcher
from sleekxmpp.xmlstream.handler import Callback
from config import config
from roster import RosterGroup, roster
from contact import Contact, Resource
from text_buffer import TextBuffer, CorrectionError
from user import User
from os import getenv, path
from logger import logger

from datetime import datetime, timedelta
from xml.etree import cElementTree as ET

SHOW_NAME = {
    'dnd': _('busy'),
    'away': _('away'),
    'xa': _('not available'),
    'chat': _('chatty'),
    '': _('available')
    }

NS_MUC_USER = 'http://jabber.org/protocol/muc#user'

STATE_COLORS = {
        'disconnected': lambda: get_theme().COLOR_TAB_DISCONNECTED,
        'scrolled': lambda: get_theme().COLOR_TAB_SCROLLED,
        'joined': lambda: get_theme().COLOR_TAB_JOINED,
        'message': lambda: get_theme().COLOR_TAB_NEW_MESSAGE,
        'highlight': lambda: get_theme().COLOR_TAB_HIGHLIGHT,
        'private': lambda: get_theme().COLOR_TAB_PRIVATE,
        'normal': lambda: get_theme().COLOR_TAB_NORMAL,
        'current': lambda: get_theme().COLOR_TAB_CURRENT,
        'attention': lambda: get_theme().COLOR_TAB_ATTENTION,
    }

VERTICAL_STATE_COLORS = {
        'disconnected': lambda: get_theme().COLOR_VERTICAL_TAB_DISCONNECTED,
        'scrolled': lambda: get_theme().COLOR_VERTICAL_TAB_SCROLLED,
        'joined': lambda: get_theme().COLOR_VERTICAL_TAB_JOINED,
        'message': lambda: get_theme().COLOR_VERTICAL_TAB_NEW_MESSAGE,
        'highlight': lambda: get_theme().COLOR_VERTICAL_TAB_HIGHLIGHT,
        'private': lambda: get_theme().COLOR_VERTICAL_TAB_PRIVATE,
        'normal': lambda: get_theme().COLOR_VERTICAL_TAB_NORMAL,
        'current': lambda: get_theme().COLOR_VERTICAL_TAB_CURRENT,
        'attention': lambda: get_theme().COLOR_VERTICAL_TAB_ATTENTION,
    }


STATE_PRIORITY = {
        'normal': -1,
        'current': -1,
        'disconnected': 0,
        'scrolled': 0.5,
        'message': 1,
        'joined': 1,
        'highlight': 2,
        'private': 2,
        'attention': 3
    }

class Tab(object):
    tab_core = None

    def __init__(self):
        self.input = None
        if isinstance(self, MucTab) and not self.joined:
            self._state = 'disconnected'
        else:
            self._state = 'normal'

        self.need_resize = False
        self.need_resize = False
        self.key_func = {}      # each tab should add their keys in there
                                # and use them in on_input
        self.commands = {}      # and their own commands


    @property
    def core(self):
        if not Tab.tab_core:
            Tab.tab_core = singleton.Singleton(core.Core)
        return Tab.tab_core

    @property
    def nb(self):
        for index, tab in enumerate(self.core.tabs):
            if tab == self:
                return index
        return len(self.core.tabs)

    @property
    def tab_win(self):
        if not Tab.tab_core:
            Tab.tab_core = singleton.Singleton(core.Core)
        return Tab.tab_core.tab_win

    @property
    def left_tab_win(self):
        if not Tab.tab_core:
            Tab.tab_core = singleton.Singleton(core.Core)
        return Tab.tab_core.left_tab_win

    @staticmethod
    def tab_win_height():
        """
        Returns 1 or 0, depending on if we are using the vertical tab list
        or not.
        """
        if config.get('enable_vertical_tab_list', 'false') == 'true':
            return 0
        return 1

    @property
    def info_win(self):
        return self.core.information_win

    @property
    def color(self):
        return STATE_COLORS[self._state]()

    @property
    def vertical_color(self):
        return VERTICAL_STATE_COLORS[self._state]()

    @property
    def state(self):
        return self._state

    @state.setter
    def state(self, value):
        if not value in STATE_COLORS:
            log.debug("Invalid value for tab state: %s", value)
        elif STATE_PRIORITY[value] < STATE_PRIORITY[self._state] and \
                value not in ('current', 'disconnected') and \
                not (self._state == 'scrolled' and value == 'disconnected'):
            log.debug("Did not set state because of lower priority, asked: %s, kept: %s", value, self._state)
        elif self._state == 'disconnected' and value not in ('joined', 'current'):
            log.debug('Did not set state because disconnected tabs remain visible')
        else:
            self._state = value

    @staticmethod
    def resize(scr):
        Tab.size = (Tab.height, Tab.width) = scr.getmaxyx()
        if Tab.height < MIN_HEIGHT or Tab.width < MIN_WIDTH:
            Tab.visible = False
        else:
            Tab.visible = True
        windows.Win._tab_win = scr

    def register_command(self, name, func, *, desc='', shortdesc='', completion=None, usage=''):
        """
        Add a command
        """
        if name in self.commands:
            return
        if not desc and shortdesc:
            desc = shortdesc
        self.commands[name] = core.Command(func, desc, completion, shortdesc, usage)

    def complete_commands(self, the_input):
        """
        Does command completion on the specified input for both global and tab-specific
        commands.
        This should be called from the completion method (on tab, for example), passing
        the input where completion is to be made.
        It can completion the command name itself or an argument of the command.
        Returns True if a completion was made, False else.
        """
        txt = the_input.get_text()
        # check if this is a command
        if txt.startswith('/') and not txt.startswith('//'):
            position = the_input.get_argument_position(quoted=False)
            if position == 0:
                words = ['/%s'% (name) for name in sorted(self.core.commands)] +\
                    ['/%s' % (name) for name in sorted(self.commands)]
                the_input.new_completion(words, 0)
                # Do not try to cycle command completion if there was only
                # one possibily. The next tab will complete the argument.
                # Otherwise we would need to add a useless space before being
                # able to complete the arguments.
                hit_copy = set(the_input.hit_list)
                while not hit_copy:
                    whitespace = the_input.text.find(' ')
                    if whitespace == -1:
                        whitespace = len(the_input.text)
                    the_input.text = the_input.text[:whitespace-1] + the_input.text[whitespace:]
                    the_input.new_completion(words, 0)
                    hit_copy = set(the_input.hit_list)
                if len(hit_copy) == 1:
                    the_input.do_command(' ')
                    the_input.reset_completion()
                return True
            # check if we are in the middle of the command name
            elif len(txt.split()) > 1 or\
                    (txt.endswith(' ') and not the_input.last_completion):
                command_name = txt.split()[0][1:]
                if command_name in self.commands:
                    command = self.commands[command_name]
                elif command_name in self.core.commands:
                    command = self.core.commands[command_name]
                else:           # Unknown command, cannot complete
                    return False
                if command[2] is None:
                    return False # There's no completion function
                else:
                    return command[2](the_input)
                return True
        return False

    def execute_command(self, provided_text):
        """
        Execute the command in the input and return False if
        the input didn't contain a command
        """
        txt = provided_text or self.input.key_enter()
        if txt.startswith('/') and not txt.startswith('//') and\
                not txt.startswith('/me '):
            command = txt.strip().split()[0][1:]
            arg = txt[2+len(command):] # jump the '/' and the ' '
            func = None
            if command in self.commands: # check tab-specific commands
                func = self.commands[command][0]
            elif command in self.core.commands: # check global commands
                func = self.core.commands[command][0]
            else:
                low = command.lower()
                if low in self.commands:
                    func = self.commands[low][0]
                elif low in self.core.commands:
                    func = self.core.commands[low][0]
                else:
                    self.core.information(_("Unknown command (%s)") % (command), _('Error'))
            if command in ('correct', 'say'): # hack
                arg = xhtml.convert_simple_to_full_colors(arg)
            else:
                arg = xhtml.clean_text_simple(arg)
            if func:
                func(arg)
            return True
        else:
            return False

    def refresh_tab_win(self):
        if self.left_tab_win:
            self.left_tab_win.refresh()
        else:
            self.tab_win.refresh()

    def refresh(self):
        """
        Called on each screen refresh (when something has changed)
        """
        pass

    def get_name(self):
        """
        get the name of the tab
        """
        return self.__class__.__name__

    def get_nick(self):
        """
        Get the nick of the tab (defaults to its name)
        """
        return self.get_name()

    def get_text_window(self):
        """
        Returns the principal TextWin window, if there's one
        """
        return None

    def on_input(self, key, raw):
        """
        raw indicates if the key should activate the associated command or not.
        """
        pass

    def update_commands(self):
        for c in self.plugin_commands:
            if not c in self.commands:
                self.commands[c] = self.plugin_commands[c]

    def update_keys(self):
        for k in self.plugin_keys:
            if not k in self.key_func:
                self.key_func[k] = self.plugin_keys[k]

    def on_lose_focus(self):
        """
        called when this tab loses the focus.
        """
        self.state = 'normal'

    def on_gain_focus(self):
        """
        called when this tab gains the focus.
        """
        self.state = 'current'

    def on_scroll_down(self):
        """
        Defines what happens when we scroll down
        """
        pass

    def on_scroll_up(self):
        """
        Defines what happens when we scroll up
        """
        pass

    def on_line_up(self):
        """
        Defines what happens when we scroll one line up
        """
        pass

    def on_line_down(self):
        """
        Defines what happens when we scroll one line up
        """
        pass

    def on_half_scroll_down(self):
        """
        Defines what happens when we scroll half a screen down
        """
        pass

    def on_half_scroll_up(self):
        """
        Defines what happens when we scroll half a screen up
        """
        pass

    def on_info_win_size_changed(self):
        """
        Called when the window with the informations is resized
        """
        pass

    def on_close(self):
        """
        Called when the tab is to be closed
        """
        if self.input:
            self.input.on_delete()

    def matching_names(self):
        """
        Returns a list of strings that are used to name a tab with the /win
        command.  For example you could switch to a tab that returns
        ['hello', 'coucou'] using /win hel, or /win coucou
        If not implemented in the tab, it just doesn’t match with anything.
        """
        return []

    def __del__(self):
        log.debug('------ Closing tab %s', self.__class__.__name__)

class GapTab(Tab):

    def __bool__(self):
        return False

    def __len__(self):
        return 0

    def get_name(self):
        return ''

    def refresh(self):
        log.debug('WARNING: refresh() called on a gap tab, this should not happen')

class ChatTab(Tab):
    """
    A tab containing a chat of any type.
    Just use this class instead of Tab if the tab needs a recent-words completion
    Also, ^M is already bound to on_enter
    And also, add the /say command
    """
    plugin_commands = {}
    plugin_keys = {}
    def __init__(self, jid=''):
        Tab.__init__(self)
        self.name = jid
        self._text_buffer = TextBuffer()
        self.remote_wants_chatstates = None # change this to True or False when
        # we know that the remote user wants chatstates, or not.
        # None means we don’t know yet, and we send only "active" chatstates
        self.chatstate = None   # can be "active", "composing", "paused", "gone", "inactive"
        # We keep a weakref of the event that will set our chatstate to "paused", so that
        # we can delete it or change it if we need to
        self.timed_event_paused = None
        # if that’s None, then no paused chatstate was sent recently
        # if that’s a weakref returning None, then a paused chatstate was sent
        # since the last input
        self.remote_supports_attention = False
        # Keeps the last sent message to complete it easily in completion_correct, and to replace it.
        self.last_sent_message = None
        self.key_func['M-v'] = self.move_separator
        self.key_func['M-h'] = self.scroll_separator
        self.key_func['M-/'] = self.last_words_completion
        self.key_func['^M'] = self.on_enter
        self.register_command('say', self.command_say,
                usage=_('<message>'),
                shortdesc=_('Send the message.'))
        self.register_command('xhtml', self.command_xhtml,
                usage=_('<custom xhtml>'),
                shortdesc=_('Send custom XHTML.'))
        self.register_command('clear', self.command_clear,
                shortdesc=_('Clear the current buffer.'))
        self.register_command('correct', self.command_correct,
                desc=_('Fix the last message with whatever you want.'),
                shortdesc=_('Correct the last message.'),
                completion=self.completion_correct)
        self.chat_state = None
        self.update_commands()
        self.update_keys()

        # Get the logs
        log_nb = config.get('load_log', 10)

        if isinstance(self, PrivateTab):
            logs = logger.get_logs(safeJID(self.get_name()).full.replace('/', '\\'), log_nb)
        else:
            logs = logger.get_logs(safeJID(self.get_name()).bare, log_nb)
        if logs:
            for message in logs:
                self._text_buffer.add_message(**message)

    def log_message(self, txt, nickname, time=None, typ=1):
        """
        Log the messages in the archives.
        """
        name = safeJID(self.name).bare
        if not logger.log_message(name, nickname, txt, date=time, typ=typ):
            self.core.information(_('Unable to write in the log file'), 'Error')

    def add_message(self, txt, time=None, nickname=None, forced_user=None, nick_color=None, identifier=None, jid=None, history=None, typ=1):
        self.log_message(txt, nickname, time=time, typ=typ)
        self._text_buffer.add_message(txt, time=time,
                nickname=nickname,
                nick_color=nick_color,
                history=history,
                user=forced_user,
                identifier=identifier,
                jid=jid)

    def modify_message(self, txt, old_id, new_id, user=None,jid=None, nickname=None):
        self.log_message(txt, nickname, typ=1)
        message = self._text_buffer.modify_message(txt, old_id, new_id, time=time, user=user, jid=jid)
        if message:
            self.text_win.modify_message(old_id, message)
            self.core.refresh_window()
            return True
        return False

    def last_words_completion(self):
        """
        Complete the input with words recently said
        """
        # build the list of the recent words
        char_we_dont_want = string.punctuation+' ’„“”…«»'
        words = list()
        for msg in self._text_buffer.messages[:-40:-1]:
            if not msg:
                continue
            txt = xhtml.clean_text(msg.txt)
            for char in char_we_dont_want:
                txt = txt.replace(char, ' ')
            for word in txt.split():
                if len(word) >= 4 and word not in words:
                    words.append(word)
        words.extend([word for word in config.get('words', '').split(':') if word])
        self.input.auto_completion(words, ' ', quotify=False)

    def on_enter(self):
        txt = self.input.key_enter()
        if txt:
            if not self.execute_command(txt):
                if txt.startswith('//'):
                    txt = txt[1:]
                self.command_say(xhtml.convert_simple_to_full_colors(txt))
        self.cancel_paused_delay()

    def command_xhtml(self, arg):
        """"
        /xhtml <custom xhtml>
        """
        if not arg:
            return
        try:
            body = xhtml.clean_text(xhtml.xhtml_to_poezio_colors(arg))
            # The <body /> element is the only allowable child of the <xhtm-im>
            arg = "<body xmlns='http://www.w3.org/1999/xhtml'>%s</body>" % (arg,)
            ET.fromstring(arg)
        except:
            self.core.information('Could not send custom xhtml', 'Error')
            log.error('/xhtml: Unable to send custom xhtml', exc_info=True)
            return

        msg = self.core.xmpp.make_message(self.get_dest_jid())
        msg['body'] = body
        msg.enable('html')
        msg['html']['body'] = arg
        if isinstance(self, MucTab):
            msg['type'] = 'groupchat'
        if isinstance(self, ConversationTab):
            self.core.add_message_to_text_buffer(self._text_buffer, body, None, self.core.own_nick)
            self.refresh()
        msg.send()

    def get_dest_jid(self):
        return self.get_name()

    @refresh_wrapper.always
    def command_clear(self, args):
        """
        /clear
        """
        self._text_buffer.messages = []
        self.text_win.rebuild_everything(self._text_buffer)

    def send_chat_state(self, state, always_send=False):
        """
        Send an empty chatstate message
        """
        if not isinstance(self, MucTab) or self.joined:
            if state in ('active', 'inactive', 'gone') and self.inactive and not always_send:
                return
            msg = self.core.xmpp.make_message(self.get_dest_jid())
            msg['type'] = self.message_type
            msg['chat_state'] = state
            self.chat_state = state
            msg.send()

    def send_composing_chat_state(self, empty_after):
        """
        Send the "active" or "composing" chatstate, depending
        on the the current status of the input
        """
        name = self.general_jid
        if config.get_by_tabname('send_chat_states', 'true', name, True) == 'true' and self.remote_wants_chatstates:
            needed = 'inactive' if self.inactive else 'active'
            self.cancel_paused_delay()
            if not empty_after:
                if self.chat_state != "composing":
                    self.send_chat_state("composing")
                self.set_paused_delay(True)
            elif empty_after and self.chat_state != needed:
                self.send_chat_state(needed, True)

    def set_paused_delay(self, composing):
        """
        we create a timed event that will put us to paused
        in a few seconds
        """
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) != 'true':
            return
        if self.timed_event_paused:
            # check the weakref
            event = self.timed_event_paused()
            if event:
                # the event already exists: we just update
                # its date
                event.change_date(datetime.now() + timedelta(seconds=4))
                return
        new_event = timed_events.DelayedEvent(4, self.send_chat_state, 'paused')
        self.core.add_timed_event(new_event)
        self.timed_event_paused = weakref.ref(new_event)

    def cancel_paused_delay(self):
        """
        Remove that event from the list and set it to None.
        Called for example when the input is emptied, or when the message
        is sent
        """
        if self.timed_event_paused:
            event = self.timed_event_paused()
            if event:
                self.core.remove_timed_event(event)
                del event
        self.timed_event_paused = None

    def command_correct(self, line):
        """
        /correct <fixed message>
        """
        if not line:
            self.core.command_help('correct')
            return
        if not self.last_sent_message:
            self.core.information(_('There is no message to correct.'))
            return
        self.command_say(line, correct=True)

    def completion_correct(self, the_input):
        if self.last_sent_message and the_input.get_argument_position() == 1:
            return the_input.auto_completion([self.last_sent_message['body']], '', quotify=False)

    @property
    def inactive(self):
        """Whether we should send inactive or active as a chatstate"""
        return self.core.status.show in ('xa', 'away') or\
                (hasattr(self, 'directed_presence') and not self.directed_presence)

    def move_separator(self):
        self.text_win.remove_line_separator()
        self.text_win.add_line_separator(self._text_buffer)
        self.text_win.refresh()
        self.input.refresh()

    def get_conversation_messages(self):
        return self._text_buffer.messages

    def check_scrolled(self):
        if self.text_win.pos != 0:
            self.state = 'scrolled'

    def command_say(self, line, correct=False):
        pass

    def on_line_up(self):
        return self.text_win.scroll_up(1)

    def on_line_down(self):
        return self.text_win.scroll_down(1)

    def on_scroll_up(self):
        return self.text_win.scroll_up(self.text_win.height-1)

    def on_scroll_down(self):
        return self.text_win.scroll_down(self.text_win.height-1)

    def on_half_scroll_up(self):
        return self.text_win.scroll_up((self.text_win.height-1) // 2)

    def on_half_scroll_down(self):
        return self.text_win.scroll_down((self.text_win.height-1) // 2)

    @refresh_wrapper.always
    def scroll_separator(self):
        self.text_win.scroll_to_separator()

class MucTab(ChatTab):
    """
    The tab containing a multi-user-chat room.
    It contains an userlist, an input, a topic, an information and a chat zone
    """
    message_type = 'groupchat'
    plugin_commands = {}
    plugin_keys = {}
    def __init__(self, jid, nick):
        self.joined = False
        ChatTab.__init__(self, jid)
        self.own_nick = nick
        self.name = jid
        self.users = []
        self.privates = [] # private conversations
        self.topic = ''
        self.remote_wants_chatstates = True
        # We send active, composing and paused states to the MUC because
        # the chatstate may or may not be filtered by the MUC,
        # that’s not our problem.
        self.topic_win = windows.Topic()
        self.text_win = windows.TextWin()
        self._text_buffer.add_window(self.text_win)
        self.v_separator = windows.VerticalSeparator()
        self.user_win = windows.UserList()
        self.info_header = windows.MucInfoWin()
        self.input = windows.MessageInput()
        self.ignores = []       # set of Users
        # keys
        self.key_func['^I'] = self.completion
        self.key_func['M-u'] = self.scroll_user_list_down
        self.key_func['M-y'] = self.scroll_user_list_up
        self.key_func['M-n'] = self.go_to_next_hl
        self.key_func['M-p'] = self.go_to_prev_hl
        # commands
        self.register_command('ignore', self.command_ignore,
                usage=_('<nickname>'),
                desc=_('Ignore a specified nickname.'),
                shortdesc=_('Ignore someone'),
                completion=self.completion_ignore)
        self.register_command('unignore', self.command_unignore,
                usage=_('<nickname>'),
                desc=_('Remove the specified nickname from the ignore list.'),
                shortdesc=_('Unignore someone.'),
                completion=self.completion_unignore)
        self.register_command('kick', self.command_kick,
                usage=_('<nick> [reason]'),
                desc=_('Kick the user with the specified nickname. You also can give an optional reason.'),
                shortdesc=_('Kick someone.'),
                completion=self.completion_quoted)
        self.register_command('ban', self.command_ban,
                usage=_('<nick> [reason]'),
                desc=_('Ban the user with the specified nickname. You also can give an optional reason.'),
                shortdesc='Ban someone',
                completion=self.completion_quoted)
        self.register_command('role', self.command_role,
                usage=_('<nick> <role> [reason]'),
                desc=_('Set the role of an user. Roles can be: none, visitor, participant, moderator. You also can give an optional reason.'),
                shortdesc=_('Set the role of an user.'),
                completion=self.completion_role)
        self.register_command('affiliation', self.command_affiliation,
                usage=_('<nick or jid> <affiliation>'),
                desc=_('Set the affiliation of an user. Affiliations can be: outcast, none, member, admin, owner.'),
                shortdesc=_('Set the affiliation of an user.'),
                completion=self.completion_affiliation)
        self.register_command('topic', self.command_topic,
                usage=_('<subject>'),
                desc=_('Change the subject of the room.'),
                shortdesc=_('Change the subject.'),
                completion=self.completion_topic)
        self.register_command('query', self.command_query,
                usage=_('<nick> [message]'),
                desc=_('Query: Open a private conversation with <nick>. This nick has to be present in the room you\'re currently in. If you specified a message after the nickname, it will immediately be sent to this user.'),
                shortdesc=_('Query an user.'),
                completion=self.completion_quoted)
        self.register_command('part', self.command_part,
                usage=_('[message]'),
                desc=_('Disconnect from a room. You can specify an optional message.'),
                shortdesc=_('Leave the room.'))
        self.register_command('close', self.command_close,
                usage=_('[message]'),
                desc=_('Disconnect from a room and close the tab. You can specify an optional message if you are still connected.'),
                shortdesc=_('Close the tab.'))
        self.register_command('nick', self.command_nick,
                usage=_('<nickname>'),
                desc=_('Change your nickname in the current room.'),
                shortdesc=_('Change your nickname.'),
                completion=self.completion_nick)
        self.register_command('recolor', self.command_recolor,
                desc=_('Re-assign a color to all participants of the current room, based on the last time they talked. Use this if the participants currently talking have too many identical colors.'),
                shortdesc=_('Change the nicks colors.'),
                completion=self.completion_recolor)
        self.register_command('cycle', self.command_cycle,
                usage=_('[message]'),
                desc=_('Leave the current room and rejoin it immediately.'),
                shortdesc=_('Leave and re-join the room.'))
        self.register_command('info', self.command_info,
                usage=_('<nickname>'),
                desc=_('Display some information about the user in the MUC: its/his/her role, affiliation, status and status message.'),
                shortdesc=_('Show an user\'s infos.'),
                completion=self.completion_info)
        self.register_command('configure', self.command_configure,
                desc=_('Configure the current room, through a form.'),
                shortdesc=_('Configure the room.'))
        self.register_command('version', self.command_version,
                usage=_('<jid or nick>'),
                desc=_('Get the software version of the given JID or nick in room (usually its XMPP client and Operating System).'),
                shortdesc=_('Get the software version of a jid.'),
                completion=self.completion_version)
        self.register_command('names', self.command_names,
                desc=_('Get the list of the users in the room, and the list of the people assuming the different roles.'),
                shortdesc=_('List the users.'))

        if self.core.xmpp.boundjid.server == "gmail.com": #gmail sucks
            del self.commands["nick"]

        self.resize()
        self.update_commands()
        self.update_keys()

    @property
    def general_jid(self):
        return self.get_name()

    @property
    def last_connection(self):
        last_message = self._text_buffer.last_message
        if last_message:
            return last_message.time
        return None

    @refresh_wrapper.always
    def go_to_next_hl(self):
        """
        Go to the next HL in the room, or the last
        """
        self.text_win.next_highlight()

    @refresh_wrapper.always
    def go_to_prev_hl(self):
        """
        Go to the previous HL in the room, or the first
        """
        self.text_win.previous_highlight()

    def completion_version(self, the_input):
        """Completion for /version"""
        compare_users = lambda x: x.last_talked
        userlist = [user.nick for user in sorted(self.users, key=compare_users, reverse=True)\
                         if user.nick != self.own_nick]
        return the_input.auto_completion(userlist, quotify=False)

    def completion_info(self, the_input):
        """Completion for /info"""
        compare_users = lambda x: x.last_talked
        userlist = [user.nick for user in sorted(self.users, key=compare_users, reverse=True)]
        return the_input.auto_completion(userlist, quotify=False)

    def completion_nick(self, the_input):
        """Completion for /nick"""
        nicks = [os.environ.get('USER'), config.get('default_nick', ''), self.core.get_bookmark_nickname(self.get_name())]
        nicks = [i for i in nicks if i]
        return the_input.auto_completion(nicks, '', quotify=False)

    def completion_recolor(self, the_input):
        if the_input.get_argument_position() == 1:
            return the_input.new_completion(['random'], 1, '', quotify=False)
        return True

    def completion_ignore(self, the_input):
        """Completion for /ignore"""
        userlist = [user.nick for user in self.users]
        if self.own_nick in userlist:
            userlist.remove(self.own_nick)
        userlist.sort()
        return the_input.auto_completion(userlist, quotify=False)

    def completion_role(self, the_input):
        """Completion for /role"""
        n = the_input.get_argument_position(quoted=True)
        if n == 1:
            userlist = [user.nick for user in self.users]
            if self.own_nick in userlist:
                userlist.remove(self.own_nick)
            return the_input.new_completion(userlist, 1, '', quotify=True)
        elif n == 2:
            possible_roles = ['none', 'visitor', 'participant', 'moderator']
            return the_input.new_completion(possible_roles, 2, '', quotify=True)

    def completion_affiliation(self, the_input):
        """Completion for /affiliation"""
        n = the_input.get_argument_position(quoted=True)
        if n == 1:
            userlist = [user.nick for user in self.users]
            if self.own_nick in userlist:
                userlist.remove(self.own_nick)
            jidlist = [user.jid.bare for user in self.users]
            if self.core.xmpp.boundjid.bare in jidlist:
                jidlist.remove(self.core.xmpp.boundjid.bare)
            userlist.extend(jidlist)
            return the_input.new_completion(userlist, 1, '', quotify=True)
        elif n == 2:
            possible_affiliations = ['none', 'member', 'admin', 'owner', 'outcast']
            return the_input.new_completion(possible_affiliations, 2,  '', quotify=True)

    def scroll_user_list_up(self):
        self.user_win.scroll_up()
        self.user_win.refresh(self.users)
        self.input.refresh()

    def scroll_user_list_down(self):
        self.user_win.scroll_down()
        self.user_win.refresh(self.users)
        self.input.refresh()

    def command_info(self, arg):
        """
        /info <nick>
        """
        if not arg:
            return self.core.command_help('info')
        user = self.get_user_by_name(arg)
        if not user:
            return self.core.information("Unknown user: %s" % arg)
        theme = get_theme()
        info = '\x19%s}%s\x19o%s: show: \x19%s}%s\x19o, affiliation: \x19%s}%s\x19o, role: \x19%s}%s\x19o%s' % (
                        dump_tuple(user.color),
                        arg,
                        (' (\x19%s}%s\x19o)' % (dump_tuple(theme.COLOR_MUC_JID), user.jid)) if user.jid != '' else '',
                        dump_tuple(theme.color_show(user.show)),
                        user.show or 'Available',
                        dump_tuple(theme.color_role(user.role)),
                        user.affiliation or 'None',
                        dump_tuple(theme.color_role(user.role)),
                        user.role or 'None',
                        '\n%s' % user.status if user.status else '')
        self.core.information(info, 'Info')

    def command_configure(self, arg):
        form = fixes.get_room_form(self.core.xmpp, self.get_name())
        if not form:
            self.core.information('Could not retrieve the configuration form', 'Error')
            return
        self.core.open_new_form(form, self.cancel_config, self.send_config)

    def cancel_config(self, form):
        """
        The user do not want to send his/her config, send an iq cancel
        """
        self.core.xmpp.plugin['xep_0045'].cancelConfig(self.get_name())
        self.core.close_tab()

    def send_config(self, form):
        """
        The user sends his/her config to the server
        """
        self.core.xmpp.plugin['xep_0045'].configureRoom(self.get_name(), form)
        self.core.close_tab()

    def command_cycle(self, arg):
        """/cycle [reason]"""
        if self.joined:
            muc.leave_groupchat(self.core.xmpp, self.get_name(), self.own_nick, arg)
        self.disconnect()
        self.core.disable_private_tabs(self.name)
        self.core.command_join('"/%s"' % self.own_nick)
        self.user_win.pos = 0

    def command_recolor(self, arg):
        """
        /recolor [random]
        Re-assign color to the participants of the room
        """
        arg = arg.strip()
        compare_users = lambda x: x.last_talked
        users = list(self.users)
        sorted_users = sorted(users, key=compare_users, reverse=True)
        # search our own user, to remove it from the list
        for user in sorted_users:
            if user.nick == self.own_nick:
                sorted_users.remove(user)
                user.color = get_theme().COLOR_OWN_NICK
        colors = list(get_theme().LIST_COLOR_NICKNAMES)
        if arg and arg == 'random':
            random.shuffle(colors)
        for i, user in enumerate(sorted_users):
            user.color = colors[i % len(colors)]
        self.text_win.rebuild_everything(self._text_buffer)
        self.user_win.refresh(self.users)
        self.text_win.refresh()
        self.input.refresh()

    def command_version(self, arg):
        """
        /version <jid or nick>
        """
        def callback(res):
            if not res:
                return self.core.information('Could not get the software version from %s' % (jid,), 'Warning')
            version = '%s is running %s version %s on %s' % (jid,
                         res.get('name') or _('an unknown software'),
                         res.get('version') or _('unknown'),
                         res.get('os') or _('an unknown platform'))
            self.core.information(version, 'Info')

        if not arg:
            return self.core.command_help('version')
        if arg in [user.nick for user in self.users]:
            jid = safeJID(self.name).bare
            jid = safeJID(jid + '/' + arg)
        else:
            jid = safeJID(arg)
        fixes.get_version(self.core.xmpp, jid, callback=callback)

    def command_nick(self, arg):
        """
        /nick <nickname>
        """
        if not arg:
            return self.core.command_help('nick')
        nick = arg
        if not self.joined:
            return self.core.information('/nick only works in joined rooms', 'Info')
        current_status = self.core.get_status()
        if not safeJID(self.get_name() + '/' + nick):
            return self.core.information('Invalid nick', 'Info')
        muc.change_nick(self.core, self.name, nick, current_status.message, current_status.show)

    def command_part(self, arg):
        """
        /part [msg]
        """
        arg = arg.strip()
        msg = None
        if self.joined:
            self.disconnect()
            muc.leave_groupchat(self.core.xmpp, self.name, self.own_nick, arg)
            if arg:
                msg = _("\x195}You left the chatroom (\x19o%s\x195})\x193}" % arg)
            else:
                msg =_("\x195}You left the chatroom\x193}")
            self.add_message(msg, typ=2)
            if self == self.core.current_tab():
                self.refresh()
            self.core.doupdate()
        else:
            msg =_("\x195}You left the chatroom\x193}")
        self.core.disable_private_tabs(self.name, reason=msg)

    def command_close(self, arg):
        """
        /close [msg]
        """
        self.command_part(arg)
        self.core.close_tab()

    def command_query(self, arg):
        """
        /query <nick> [message]
        """
        args = common.shell_split(arg)
        if len(args) < 1:
            return
        nick = args[0]
        r = None
        for user in self.users:
            if user.nick == nick:
                r = self.core.open_private_window(self.name, user.nick)
        if r and len(args) > 1:
            msg = args[1]
            self.core.current_tab().command_say(xhtml.convert_simple_to_full_colors(msg))
        if not r:
            self.core.information(_("Cannot find user: %s" % nick), 'Error')

    def command_topic(self, arg):
        """
        /topic [new topic]
        """
        if not arg.strip():
            self._text_buffer.add_message(_("\x19%s}The subject of the room is: %s") %
                    (dump_tuple(get_theme().COLOR_INFORMATION_TEXT), self.topic))
            self.text_win.refresh()
            self.input.refresh()
            return
        subject = arg
        muc.change_subject(self.core.xmpp, self.name, subject)

    def command_names(self, arg=None):
        """
        /names
        """
        if not self.joined:
            return
        color_visitor = dump_tuple(get_theme().COLOR_USER_VISITOR)
        color_other = dump_tuple(get_theme().COLOR_USER_NONE)
        color_moderator = dump_tuple(get_theme().COLOR_USER_MODERATOR)
        color_participant = dump_tuple(get_theme().COLOR_USER_PARTICIPANT)
        visitors, moderators, participants, others = [], [], [], []
        aff = {
                'owner': get_theme().CHAR_AFFILIATION_OWNER,
                'admin': get_theme().CHAR_AFFILIATION_ADMIN,
                'member': get_theme().CHAR_AFFILIATION_MEMBER,
                'none': get_theme().CHAR_AFFILIATION_NONE,
                }

        users = self.users[:]
        users.sort(key=lambda x: x.nick.lower())
        for user in users:
            if user.role == 'visitor':
                visitors.append((user, aff[user.affiliation]))
            elif user.role == 'participant':
                participants.append((user, aff[user.affiliation]))
            elif user.role == 'moderator':
                moderators.append((user, aff[user.affiliation]))
            else:
                others.append((user, aff[user.affiliation]))

        buff = ['Users: %s \n' % len(self.users)]
        for moderator in moderators:
            buff.append('\x19%s}%s\x19o\x19%s}%s\x19o' % (color_moderator,
                    moderator[1],  dump_tuple(moderator[0].color), moderator[0].nick))
        for participant in participants:
            buff.append('\x19%s}%s\x19o\x19%s}%s\x19o' % (color_participant,
                    participant[1],  dump_tuple(participant[0].color), participant[0].nick))
        for visitor in visitors:
            buff.append('\x19%s}%s\x19o\x19%s}%s\x19o' % (color_visitor,
                    visitor[1],  dump_tuple(visitor[0].color), visitor[0].nick))
        for other in others:
            buff.append('\x19%s}%s\x19o\x19%s}%s\x19o' % (color_other,
                    other[1],  dump_tuple(other[0].color), other[0].nick))
        buff.append('\n')
        message = ' '.join(buff)

        self._text_buffer.add_message(message)
        self.text_win.refresh()
        self.input.refresh()

    def completion_topic(self, the_input):
        if the_input.get_argument_position() == 1:
            return the_input.auto_completion([self.topic], '', quotify=False)

    def completion_quoted(self, the_input):
        """Nick completion, but with quotes"""
        if the_input.get_argument_position(quoted=True) == 1:
            compare_users = lambda x: x.last_talked
            word_list = [user.nick for user in sorted(self.users, key=compare_users, reverse=True)\
                             if user.nick != self.own_nick]
            return the_input.new_completion(word_list, 1, quotify=True)

    def command_kick(self, arg):
        """
        /kick <nick> [reason]
        """
        args = common.shell_split(arg)
        if not args:
            self.core.command_help('kick')
        else:
            if len(args) > 1:
                msg = ' "%s"' % args[1]
            else:
                msg = ''
            self.command_role('"'+args[0]+ '" none'+msg)

    def command_ban(self, arg):
        """
        /ban <nick> [reason]
        """
        def callback(iq):
            if iq['type'] == 'error':
                self.core.room_error(iq, self.get_name())
        args = common.shell_split(arg)
        if not args:
            return self.core.command_help('ban')
        if len(args) > 1:
            msg = args[1]
        else:
            msg = ''
        nick = args[0]

        if nick in [user.nick for user in self.users]:
            res = muc.set_user_affiliation(self.core.xmpp, self.get_name(), 'outcast', nick=nick, callback=callback, reason=msg)
        else:
            res = muc.set_user_affiliation(self.core.xmpp, self.get_name(), 'outcast', jid=safeJID(nick), callback=callback, reason=msg)
        if not res:
            self.core.information('Could not ban user', 'Error')

    def command_role(self, arg):
        """
        /role <nick> <role> [reason]
        Changes the role of an user
        roles can be: none, visitor, participant, moderator
        """
        def callback(iq):
            if iq['type'] == 'error':
                self.core.room_error(iq, self.get_name())
        args = common.shell_split(arg)
        if len(args) < 2:
            self.core.command_help('role')
            return
        nick, role = args[0],args[1]
        if len(args) > 2:
            reason = ' '.join(args[2:])
        else:
            reason = ''
        if not self.joined or \
                not role in ('none', 'visitor', 'participant', 'moderator'):
            return
        if not safeJID(self.get_name() + '/' + nick):
            return self.core('Invalid nick', 'Info')
        muc.set_user_role(self.core.xmpp, self.get_name(), nick, reason, role, callback=callback)

    def command_affiliation(self, arg):
        """
        /affiliation <nick> <role>
        Changes the affiliation of an user
        affiliations can be: outcast, none, member, admin, owner
        """
        def callback(iq):
            if iq['type'] == 'error':
                self.core.room_error(iq, self.get_name())
        args = common.shell_split(arg)
        if len(args) < 2:
            self.core.command_help('affiliation')
            return
        nick, affiliation = args[0], args[1].lower()
        if not self.joined:
            return
        if affiliation not in ('outcast', 'none', 'member', 'admin', 'owner'):
            self.core.command_help('affiliation')
            return
        if nick in [user.nick for user in self.users]:
            res = muc.set_user_affiliation(self.core.xmpp, self.get_name(), affiliation, nick=nick, callback=callback)
        else:
            res = muc.set_user_affiliation(self.core.xmpp, self.get_name(), affiliation, jid=safeJID(nick), callback=callback)
        if not res:
            self.core.information('Could not set affiliation', 'Error')

    def command_say(self, line, correct=False):
        """
        /say <message>
        Or normal input + enter
        """
        needed = 'inactive' if self.inactive else 'active'
        msg = self.core.xmpp.make_message(self.get_name())
        msg['type'] = 'groupchat'
        msg['body'] = line
        # trigger the event BEFORE looking for colors.
        # This lets a plugin insert \x19xxx} colors, that will
        # be converted in xhtml.
        self.core.events.trigger('muc_say', msg, self)
        if msg['body'].find('\x19') != -1:
            msg.enable('html')
            msg['html']['body'] = xhtml.poezio_colors_to_html(msg['body'])
            msg['body'] = xhtml.clean_text(msg['body'])
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and self.remote_wants_chatstates is not False:
            msg['chat_state'] = needed
        if correct:
            msg['replace']['id'] = self.last_sent_message['id']
        self.cancel_paused_delay()
        self.core.events.trigger('muc_say_after', msg, self)
        self.last_sent_message = msg
        msg.send()
        self.chat_state = needed

    def command_ignore(self, arg):
        """
        /ignore <nick>
        """
        if not arg:
            self.core.command_help('ignore')
            return
        nick = arg
        user = self.get_user_by_name(nick)
        if not user:
            self.core.information(_('%s is not in the room') % nick)
        elif user in self.ignores:
            self.core.information(_('%s is already ignored') % nick)
        else:
            self.ignores.append(user)
            self.core.information(_("%s is now ignored") % nick, 'info')

    def command_unignore(self, arg):
        """
        /unignore <nick>
        """
        if not arg:
            self.core.command_help('unignore')
            return
        nick = arg
        user = self.get_user_by_name(nick)
        if not user:
            self.core.information(_('%s is not in the room') % nick)
        elif user not in self.ignores:
            self.core.information(_('%s is not ignored') % nick)
        else:
            self.ignores.remove(user)
            self.core.information(_('%s is now unignored') % nick)

    def completion_unignore(self, the_input):
        if the_input.get_argument_position() == 1:
            return the_input.new_completion([user.nick for user in self.ignores], 1, '', quotify=False)

    def resize(self):
        """
        Resize the whole window. i.e. all its sub-windows
        """
        if not self.visible:
            return
        self.need_resize = False
        if config.get("hide_user_list", "false") == "true":
            text_width = self.width
        else:
            text_width = (self.width//10)*9
        self.user_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width-(self.width//10)*9-1, 1, (self.width//10)*9+1)
        self.topic_win.resize(1, self.width, 0, 0)
        self.v_separator.resize(self.height-2 - Tab.tab_win_height(), 1, 1, 9*(self.width//10))
        self.text_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), text_width, 1, 0)
        self.text_win.rebuild_everything(self._text_buffer)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.topic_win.refresh(self.get_single_line_topic())
        self.text_win.refresh()
        if config.get("hide_user_list", "false") == "false":
            self.v_separator.refresh()
            self.user_win.refresh(self.users)
        self.info_header.refresh(self, self.text_win)
        self.refresh_tab_win()
        self.info_win.refresh()
        self.input.refresh()

    def on_input(self, key, raw):
        if not raw and key in self.key_func:
            self.key_func[key]()
            return False
        self.input.do_command(key, raw=raw)
        empty_after = self.input.get_text() == '' or (self.input.get_text().startswith('/') and not self.input.get_text().startswith('//'))
        self.send_composing_chat_state(empty_after)
        return False

    def completion(self):
        """
        Called when Tab is pressed, complete the nickname in the input
        """
        if self.complete_commands(self.input):
            return

        # If we are not completing a command or a command's argument, complete a nick
        compare_users = lambda x: x.last_talked
        word_list = [user.nick for user in sorted(self.users, key=compare_users, reverse=True)\
                         if user.nick != self.own_nick]
        after = config.get('after_completion', ',')+" "
        input_pos = self.input.pos + self.input.line_pos
        if ' ' not in self.input.get_text()[:input_pos] or (self.input.last_completion and\
                     self.input.get_text()[:input_pos] == self.input.last_completion + after):
            add_after = after
        else:
            add_after = '' if config.get('add_space_after_completion', 'true') == 'false' else ' '
        self.input.auto_completion(word_list, add_after, quotify=False)
        empty_after = self.input.get_text() == '' or (self.input.get_text().startswith('/') and not self.input.get_text().startswith('//'))
        self.send_composing_chat_state(empty_after)

    def get_color_state(self):
        return self.color_state

    def set_color_state(self, color):
        self.set_color_state(color)

    def get_name(self):
        return self.name

    def get_nick(self):
        if config.getl('show_muc_jid', 'true') == 'false':
            return safeJID(self.name).user
        return self.name

    def get_text_window(self):
        return self.text_win

    def on_lose_focus(self):
        if self.joined:
            self.state = 'normal'
        else:
            self.state = 'disconnected'
        self.text_win.remove_line_separator()
        self.text_win.add_line_separator(self._text_buffer)
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and not self.input.get_text():
            self.send_chat_state('inactive')
        self.check_scrolled()

    def on_gain_focus(self):
        self.state = 'current'
        if self.text_win.built_lines and self.text_win.built_lines[-1] is None and config.getl('show_useless_separator', 'false') != 'true':
            self.text_win.remove_line_separator()
        curses.curs_set(1)
        if self.joined and config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and not self.input.get_text():
            self.send_chat_state('active')

    def on_info_win_size_changed(self):
        if self.core.information_win_size >= self.height-3:
            return
        if config.get("hide_user_list", "false") == "true":
            text_width = self.width
        else:
            text_width = (self.width//10)*9
        self.user_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width-(self.width//10)*9-1, 1, (self.width//10)*9+1)
        self.text_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), text_width, 1, 0)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)

    def handle_presence(self, presence):
        from_nick = presence['from'].resource
        from_room = presence['from'].bare
        status_codes = set([s.attrib['code'] for s in presence.findall('{%s}x/{%s}status' % (NS_MUC_USER, NS_MUC_USER))])
        # Check if it's not an error presence.
        if presence['type'] == 'error':
            return self.core.room_error(presence, from_room)
        affiliation = presence['muc']['affiliation']
        show = presence['show']
        status = presence['status']
        role = presence['muc']['role']
        jid = presence['muc']['jid']
        typ = presence['type']
        if not self.joined:     # user in the room BEFORE us.
            # ignore redondant presence message, see bug #1509
            if from_nick not in [user.nick for user in self.users] and typ != "unavailable":
                new_user = User(from_nick, affiliation, show, status, role, jid)
                self.users.append(new_user)
                self.core.events.trigger('muc_join', presence, self)
                if '110' in status_codes or self.own_nick == from_nick:
                    # second part of the condition is a workaround for old
                    # ejabberd or every gateway in the world that just do
                    # not send a 110 status code with the presence
                    self.own_nick = from_nick
                    self.joined = True
                    if self.get_name() in self.core.initial_joins:
                        self.core.initial_joins.remove(self.get_name())
                        self._state = 'normal'
                    elif self != self.core.current_tab():
                        self._state = 'joined'
                    if self.core.current_tab() == self and self.core.status.show not in ('xa', 'away'):
                        self.send_chat_state('active')
                    new_user.color = get_theme().COLOR_OWN_NICK
                    self.add_message(_("\x19%(info_col)s}Your nickname is \x19%(nick_col)s}%(nick)s") % {
                        'nick': from_nick,
                        'nick_col': dump_tuple(new_user.color),
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
                        typ=2)
                    if '201' in status_codes:
                        self.add_message('\x19%(info_col)s}Info: The room has been created' % {
                            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
                            typ=2)
                    if '170' in status_codes:
                        self.add_message('\x191}Warning: \x19%(info_col)s}this room is publicly logged' % {
                            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
                            typ=2)
                    if '100' in status_codes:
                        self.add_message('\x191}Warning: \x19%(info_col)s}This room is not anonymous.' % {
                            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
                            typ=2)
                    if self.core.current_tab() is not self:
                        self.refresh_tab_win()
                        self.core.current_tab().input.refresh()
                        self.core.doupdate()
                    self.core.enable_private_tabs(self.get_name())
        else:
            change_nick = '303' in status_codes
            kick = '307' in status_codes and typ == 'unavailable'
            ban = '301' in status_codes and typ == 'unavailable'
            shutdown = '332' in status_codes and typ == 'unavailable'
            non_member = '322' in status_codes and typ == 'unavailable'
            user = self.get_user_by_name(from_nick)
            # New user
            if not user:
                self.core.events.trigger('muc_join', presence, self)
                self.on_user_join(from_nick, affiliation, show, status, role, jid)
            # nick change
            elif change_nick:
                self.core.events.trigger('muc_nickchange', presence, self)
                self.on_user_nick_change(presence, user, from_nick, from_room)
            elif ban:
                self.core.events.trigger('muc_ban', presence, self)
                self.core.on_user_left_private_conversation(from_room, from_nick, status)
                self.on_user_banned(presence, user, from_nick)
            # kick
            elif kick:
                self.core.events.trigger('muc_kick', presence, self)
                self.core.on_user_left_private_conversation(from_room, from_nick, status)
                self.on_user_kicked(presence, user, from_nick)
            elif shutdown:
                self.core.events.trigger('muc_shutdown', presence, self)
                self.on_muc_shutdown()
            elif non_member:
                self.core.events.trigger('muc_shutdown', presence, self)
                self.on_non_member_kick()
            # user quit
            elif typ == 'unavailable':
                self.on_user_leave_groupchat(user, jid, status, from_nick, from_room)
            # status change
            else:
                self.on_user_change_status(user, from_nick, from_room, affiliation, role, show, status)
        if self.core.current_tab() is self:
            self.text_win.refresh()
            self.user_win.refresh(self.users)
            self.info_header.refresh(self, self.text_win)
            self.input.refresh()
            self.core.doupdate()

    def on_non_member_kicked(self):
        """We have been kicked because the MUC is members-only"""
        self.add_message('\x19%(info_col)s}%You have been kicked because you are not a member and the room is now members-only.' % {
            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
            typ=2)
        self.disconnect()

    def on_muc_shutdown(self):
        """We have been kicked because the MUC service is shutting down"""
        self.add_message('\x19%(info_col)s}%You have been kicked because the MUC service is shutting down.' % {
            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
            typ=2)
        self.disconnect()

    def on_user_join(self, from_nick, affiliation, show, status, role, jid):
        """
        When a new user joins the groupchat
        """
        user = User(from_nick, affiliation,
                    show, status, role, jid)
        self.users.append(user)
        hide_exit_join = config.get_by_tabname('hide_exit_join', -1, self.general_jid, True)
        if hide_exit_join != 0:
            color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
            if not jid.full:
                msg = '\x194}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} joined the room' % {
                        'nick':from_nick, 'color':color, 'spec':get_theme().CHAR_JOIN,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                msg = '\x194}%(spec)s \x19%(color)s}%(nick)s \x19%(info_col)s}(\x19%(jid_color)s}%(jid)s\x19%(info_col)s}) joined the room' % {
                        'spec':get_theme().CHAR_JOIN, 'nick':from_nick, 'color':color, 'jid':jid.full,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
                        'jid_color': dump_tuple(get_theme().COLOR_MUC_JID)}
            self.add_message(msg, typ=2)
        self.core.on_user_rejoined_private_conversation(self.name, from_nick)

    def on_user_nick_change(self, presence, user, from_nick, from_room):
        new_nick = presence.find('{%s}x/{%s}item' % (NS_MUC_USER, NS_MUC_USER)).attrib['nick']
        if user.nick == self.own_nick:
            self.own_nick = new_nick
            # also change our nick in all private discussion of this room
            for _tab in self.core.tabs:
                if isinstance(_tab, PrivateTab) and safeJID(_tab.get_name()).bare == self.name:
                    _tab.own_nick = new_nick
        user.change_nick(new_nick)
        color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
        self.add_message('\x19%(color)s}%(old)s\x19%(info_col)s} is now known as \x19%(color)s}%(new)s' % {
            'old':from_nick, 'new':new_nick, 'color':color,
            'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)},
            typ=2)
        # rename the private tabs if needed
        self.core.rename_private_tabs(self.name, from_nick, new_nick)

    def on_user_banned(self, presence, user, from_nick):
        """
        When someone is banned from a muc
        """
        self.users.remove(user)
        by = presence.find('{%s}x/{%s}item/{%s}actor' % (NS_MUC_USER, NS_MUC_USER, NS_MUC_USER))
        reason = presence.find('{%s}x/{%s}item/{%s}reason' % (NS_MUC_USER, NS_MUC_USER, NS_MUC_USER))
        by = by.attrib['jid'] if by is not None else None
        if from_nick == self.own_nick: # we are banned
            if by:
                kick_msg = _('\x191}%(spec)s \x193}You\x19%(info_col)s} have been banned by \x194}%(by)s') % {
                        'spec': get_theme().CHAR_KICK, 'by':by,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                kick_msg = _('\x191}%(spec)s \x193}You\x19%(info_col)s} have been banned.') % {
                        'spec': get_theme().CHAR_KICK,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            self.core.disable_private_tabs(self.name, reason=kick_msg)
            self.disconnect()
            self.refresh_tab_win()
            self.core.current_tab().input.refresh()
            self.core.doupdate()
            if config.get_by_tabname('autorejoin', 'false', self.general_jid, True) == 'true':
                delay = config.get_by_tabname('autorejoin_delay', "5", self.general_jid, True)
                delay = common.parse_str_to_secs(delay)
                if delay <= 0:
                    muc.join_groupchat(self.core, self.name, self.own_nick)
                else:
                    self.core.add_timed_event(timed_events.DelayedEvent(
                        delay,
                        muc.join_groupchat,
                        self.core,
                        self.name,
                        self.own_nick))

        else:
            color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
            if by:
                kick_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} has been banned by \x194}%(by)s') % {
                        'spec':get_theme().CHAR_KICK, 'nick':from_nick, 'color':color, 'by':by,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                kick_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} has been banned') % {
                        'spec':get_theme().CHAR_KICK, 'nick':from_nick, 'color':color,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        if reason is not None and reason.text:
            kick_msg += _('\x19%(info_col)s} Reason: \x196}%(reason)s\x19%(info_col)s}') % {
                    'reason': reason.text, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        self._text_buffer.add_message(kick_msg)

    def on_user_kicked(self, presence, user, from_nick):
        """
        When someone is kicked from a muc
        """
        self.users.remove(user)
        by = presence.find('{%s}x/{%s}item/{%s}actor' % (NS_MUC_USER, NS_MUC_USER, NS_MUC_USER))
        reason = presence.find('{%s}x/{%s}item/{%s}reason' % (NS_MUC_USER, NS_MUC_USER, NS_MUC_USER))
        by = by.attrib['jid'] if by is not None else None
        if from_nick == self.own_nick: # we are kicked
            if by:
                kick_msg = _('\x191}%(spec)s \x193}You\x19%(info_col)s} have been kicked by \x193}%(by)s') % {
                        'spec': get_theme().CHAR_KICK, 'by':by,
                        'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                kick_msg = _('\x191}%(spec)s \x193}You\x19%(info_col)s} have been kicked.') % {'spec':get_theme().CHAR_KICK, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            self.core.disable_private_tabs(self.name, reason=kick_msg)
            self.disconnect()
            self.refresh_tab_win()
            self.core.current_tab().input.refresh()
            self.core.doupdate()
            # try to auto-rejoin
            if config.get_by_tabname('autorejoin', 'false', self.general_jid, True) == 'true':
                delay = config.get_by_tabname('autorejoin_delay', "5", self.general_jid, True)
                delay = common.parse_str_to_secs(delay)
                if delay <= 0:
                    muc.join_groupchat(self.core, self.name, self.own_nick)
                else:
                    self.core.add_timed_event(timed_events.DelayedEvent(
                        delay,
                        muc.join_groupchat,
                        self.core,
                        self.name,
                        self.own_nick))
        else:
            color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
            if by:
                kick_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} has been kicked by \x193}%(by)s') % {'spec': get_theme().CHAR_KICK, 'nick':from_nick, 'color':color, 'by':by, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                kick_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} has been kicked') % {'spec': get_theme().CHAR_KICK, 'nick':from_nick, 'color':color, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        if reason is not None and reason.text:
            kick_msg += _('\x19%(info_col)s} Reason: \x196}%(reason)s') % {'reason': reason.text, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        self.add_message(kick_msg, typ=2)

    def on_user_leave_groupchat(self, user, jid, status, from_nick, from_room):
        """
        When an user leaves a groupchat
        """
        self.users.remove(user)
        if self.own_nick == user.nick:
            # We are now out of the room. Happens with some buggy (? not sure) servers
            self.disconnect()
            self.core.disable_private_tabs(from_room)
            self.refresh_tab_win()
            self.core.current_tab().input.refresh()
            self.core.doupdate()
        hide_exit_join = config.get_by_tabname('hide_exit_join', -1, self.general_jid, True) if config.get_by_tabname('hide_exit_join', -1, self.general_jid, True) >= -1 else -1
        if hide_exit_join == -1 or user.has_talked_since(hide_exit_join):
            color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
            if not jid.full:
                leave_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} has left the room') % {'nick':from_nick, 'color':color, 'spec':get_theme().CHAR_QUIT, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            else:
                leave_msg = _('\x191}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} (\x194}%(jid)s\x19%(info_col)s}) has left the room') % {'spec':get_theme().CHAR_QUIT, 'nick':from_nick, 'color':color, 'jid':jid.full, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
            if status:
                leave_msg += ' (%s)' % status
            self.add_message(leave_msg, typ=2)
        self.core.on_user_left_private_conversation(from_room, from_nick, status)

    def on_user_change_status(self, user, from_nick, from_room, affiliation, role, show, status):
        """
        When an user changes her status
        """
        # build the message
        display_message = False # flag to know if something significant enough
        # to be displayed has changed
        color = dump_tuple(user.color) if config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True) == 'true' else 3
        if from_nick == self.own_nick:
            msg = _('\x193}You\x19%(info_col)s} changed: ') % {'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        else:
            msg = _('\x19%(color)s}%(nick)s\x19%(info_col)s} changed: ') % {'nick': from_nick, 'color': color, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        if show not in SHOW_NAME:
            self.core.information(_("%s from room %s sent an invalid show: %s") %\
                                      (from_nick, from_room, show), "Warning")
        if affiliation != user.affiliation:
            msg += _('affiliation: %s, ') % affiliation
            display_message = True
        if role != user.role:
            msg += _('role: %s, ') % role
            display_message = True
        if show != user.show and show in SHOW_NAME:
            msg += _('show: %s, ') % SHOW_NAME[show]
            display_message = True
        if status != user.status:
            # if the user sets his status to nothing
            if status:
                msg += _('status: %s, ') % status
                display_message = True
            elif show in SHOW_NAME and show == user.show:
                msg += _('show: %s, ') % SHOW_NAME[show]
                display_message = True
        if not display_message:
            return
        msg = msg[:-2] # remove the last ", "
        hide_status_change = config.get_by_tabname('hide_status_change', -1, self.general_jid, True)
        if hide_status_change < -1:
            hide_status_change = -1
        if ((hide_status_change == -1 or \
                user.has_talked_since(hide_status_change) or\
                user.nick == self.own_nick)\
                and\
                (affiliation != user.affiliation or\
                    role != user.role or\
                    show != user.show or\
                    status != user.status))\
                      or\
                        (affiliation != user.affiliation or\
                          role != user.role):
            # display the message in the room
            self._text_buffer.add_message(msg)
        self.core.on_user_changed_status_in_private('%s/%s' % (from_room, from_nick), msg)
        # finally, effectively change the user status
        user.update(affiliation, show, status, role)

    def disconnect(self):
        """
        Set the state of the room as not joined, so
        we can know if we can join it, send messages to it, etc
        """
        self.users = []
        if self is not self.core.current_tab():
            self.state = 'disconnected'
        self.joined = False

    def get_single_line_topic(self):
        """
        Return the topic as a single-line string (for the window header)
        """
        return self.topic.replace('\n', '|')

    def log_message(self, txt, nickname, time=None, typ=1):
        """
        Log the messages in the archives, if it needs
        to be
        """
        if time is None and self.joined:        # don't log the history messages
            if not logger.log_message(self.name, nickname, txt, typ=typ):
                self.core.information(_('Unable to write in the log file'), 'Error')

    def do_highlight(self, txt, time, nickname):
        """
        Set the tab color and returns the nick color
        """
        highlighted = False
        if not time and nickname and nickname != self.own_nick and self.joined:
            if self.own_nick.lower() in txt.lower():
                if self.state != 'current':
                    self.state = 'highlight'
                highlighted = True
            else:
                highlight_words = config.get_by_tabname('highlight_on', '', self.general_jid, True).split(':')
                for word in highlight_words:
                    if word and word.lower() in txt.lower():
                        if self.state != 'current':
                            self.state = 'highlight'
                        highlighted = True
                        break
        if highlighted:
            beep_on = config.get('beep_on', 'highlight private').split()
            if 'highlight' in beep_on and 'message' not in beep_on:
                if config.get_by_tabname('disable_beep', 'false', self.name, False).lower() != 'true':
                    curses.beep()
        return highlighted

    def get_user_by_name(self, nick):
        """
        Gets the user associated with the given nick, or None if not found
        """
        for user in self.users:
            if user.nick == nick:
                return user
        return None

    def add_message(self, txt, time=None, nickname=None, **kwargs):
        """
        Note that user can be None even if nickname is not None. It happens
        when we receive an history message said by someone who is not
        in the room anymore
        Return True if the message highlighted us. False otherwise.
        """
        self.log_message(txt, nickname, time=time, typ=kwargs.get('typ', 1))
        args = {key: value for key, value in kwargs.items() if key not in ('typ', 'forced_user')}
        user = self.get_user_by_name(nickname) if nickname is not None else None
        if user:
            user.set_last_talked(datetime.now())
            args['user'] = user
        if not user and kwargs.get('forced_user'):
            args['user'] = kwargs['forced_user']
        if not time and nickname and\
                nickname != self.own_nick and\
                    self.state != 'current':
            if self.state != 'highlight' and\
                    config.get_by_tabname('notify_messages', 'true', self.get_name()) == 'true':
                self.state = 'message'
        if (not nickname or time) and not txt.startswith('/me '):
            txt = '\x19%(info_col)s}%(txt)s' % {'txt':txt, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}
        elif not kwargs.get('highlight'):                   # TODO
            args['highlight'] = self.do_highlight(txt, time, nickname)
        time = time or datetime.now()
        self._text_buffer.add_message(txt, time, nickname, **args)
        return args.get('highlight', False)

    def modify_message(self, txt, old_id, new_id, time=None, nickname=None, user=None, jid=None):
        self.log_message(txt, nickname, time=time, typ=1)
        highlight = self.do_highlight(txt, time, nickname)
        message = self._text_buffer.modify_message(txt, old_id, new_id, highlight=highlight, time=time, user=user, jid=jid)
        if message:
            self.text_win.modify_message(old_id, message)
            self.core.refresh_window()
            return highlight
        return False

    def matching_names(self):
        return [(1, safeJID(self.get_name()).user), (3, self.get_name())]

class PrivateTab(ChatTab):
    """
    The tab containg a private conversation (someone from a MUC)
    """
    message_type = 'chat'
    plugin_commands = {}
    plugin_keys = {}
    def __init__(self, name, nick):
        ChatTab.__init__(self, name)
        self.own_nick = nick
        self.name = name
        self.text_win = windows.TextWin()
        self._text_buffer.add_window(self.text_win)
        self.info_header = windows.PrivateInfoWin()
        self.input = windows.MessageInput()
        self.check_attention()
        # keys
        self.key_func['^I'] = self.completion
        # commands
        self.register_command('info', self.command_info,
                desc=_('Display some information about the user in the MUC: its/his/her role, affiliation, status and status message.'),
                shortdesc=_('Info about the user.'))
        self.register_command('unquery', self.command_unquery,
                shortdesc=_('Close the tab.'))
        self.register_command('close', self.command_unquery,
                shortdesc=_('Close the tab.'))
        self.register_command('version', self.command_version,
                desc=_('Get the software version of the current interlocutor (usually its XMPP client and Operating System).'),
                shortdesc=_('Get the software version of a jid.'))
        self.resize()
        self.parent_muc = self.core.get_tab_by_name(safeJID(name).bare, MucTab)
        self.on = True
        self.update_commands()
        self.update_keys()

    @property
    def general_jid(self):
        return self.get_name()

    def log_message(self, txt, nickname, time=None, typ=1):
        """
        Log the messages in the archives.
        """
        if not logger.log_message(self.name, nickname, txt, date=time, typ=typ):
            self.core.information(_('Unable to write in the log file'), 'Error')

    def on_close(self):
        self.parent_muc.privates.remove(self)

    def completion(self):
        """
        Called when Tab is pressed, complete the nickname in the input
        """
        if self.complete_commands(self.input):
            return

        # If we are not completing a command or a command's argument, complete a nick
        compare_users = lambda x: x.last_talked
        word_list = [user.nick for user in sorted(self.parent_muc.users, key=compare_users, reverse=True)\
                         if user.nick != self.own_nick]
        after = config.get('after_completion', ',')+" "
        input_pos = self.input.pos + self.input.line_pos
        if ' ' not in self.input.get_text()[:input_pos] or (self.input.last_completion and\
                     self.input.get_text()[:input_pos] == self.input.last_completion + after):
            add_after = after
        else:
            add_after = ''
        self.input.auto_completion(word_list, add_after, quotify=False)
        empty_after = self.input.get_text() == '' or (self.input.get_text().startswith('/') and not self.input.get_text().startswith('//'))
        self.send_composing_chat_state(empty_after)

    def command_say(self, line, attention=False, correct=False):
        if not self.on:
            return
        msg = self.core.xmpp.make_message(self.get_name())
        msg['type'] = 'chat'
        msg['body'] = line
        # trigger the event BEFORE looking for colors.
        # This lets a plugin insert \x19xxx} colors, that will
        # be converted in xhtml.
        self.core.events.trigger('private_say', msg, self)
        user = self.parent_muc.get_user_by_name(self.own_nick)
        replaced = False
        if correct:
            msg['replace']['id'] = self.last_sent_message['id']
            if config.get_by_tabname('group_corrections', 'true', self.get_name()).lower() != 'false':
                try:
                    self.modify_message(line, self.last_sent_message['id'], msg['id'],
                            user=user, jid=self.core.xmpp.boundjid, nickname=self.own_nick)
                    replaced = True
                except:
                    log.error('Unable to correct a message', exc_info=True)

        if not replaced:
            self.add_message(msg['body'],
                    nickname=self.core.own_nick or self.own_nick,
                    forced_user=user,
                    nick_color=get_theme().COLOR_OWN_NICK,
                    identifier=msg['id'],
                    jid=self.core.xmpp.boundjid,
                    typ=1)
        if msg['body'].find('\x19') != -1:
            msg.enable('html')
            msg['html']['body'] = xhtml.poezio_colors_to_html(msg['body'])
            msg['body'] = xhtml.clean_text(msg['body'])
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and self.remote_wants_chatstates is not False:
            needed = 'inactive' if self.inactive else 'active'
            msg['chat_state'] = needed
        if attention and self.remote_supports_attention:
            msg['attention'] = True
        self.core.events.trigger('private_say_after', msg, self)
        self.last_sent_message = msg
        msg.send()
        self.cancel_paused_delay()
        self.text_win.refresh()
        self.input.refresh()

    def command_attention(self, message=''):
        if message is not '':
            self.command_say(message, attention=True)
        else:
            msg = self.core.xmpp.make_message(self.get_name())
            msg['type'] = 'chat'
            msg['attention'] = True
            msg.send()

    def check_attention(self):
        self.core.xmpp.plugin['xep_0030'].get_info(jid=self.get_name(), block=False, timeout=5, callback=self.on_attention_checked)

    def on_attention_checked(self, iq):
        if 'urn:xmpp:attention:0' in iq['disco_info'].get_features():
            self.core.information('Attention is supported', 'Info')
            self.remote_supports_attention = True
            self.commands['attention'] =  (self.command_attention, _('Usage: /attention [message]\nAttention: Require the attention of the contact. Can also send a message along with the attention.'), None)
        else:
            self.remote_supports_attention = False

    def command_unquery(self, arg):
        """
        /unquery
        """
        self.core.close_tab()

    def command_version(self, arg):
        """
        /version
        """
        def callback(res):
            if not res:
                return self.core.information('Could not get the software version from %s' % (jid,), 'Warning')
            version = '%s is running %s version %s on %s' % (jid,
                                                             res.get('name') or _('an unknown software'),
                                                             res.get('version') or _('unknown'),
                                                             res.get('os') or _('an unknown platform'))
            self.core.information(version, 'Info')
        if arg:
            return self.core.command_version(arg)
        jid = safeJID(self.name)
        fixes.get_version(self.core.xmpp, jid, callback=callback)

    def command_info(self, arg):
        """
        /info
        """
        if arg:
            self.parent_muc.command_info(arg)
        else:
            user = safeJID(self.name).resource
            self.parent_muc.command_info(user)

    def resize(self):
        if self.core.information_win_size >= self.height-3 or not self.visible:
            return
        self.need_resize = False
        self.text_win.resize(self.height-2-self.core.information_win_size - Tab.tab_win_height(), self.width, 0, 0)
        self.text_win.rebuild_everything(self._text_buffer)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.text_win.refresh()
        self.info_header.refresh(self.name, self.text_win, self.chatstate)
        self.info_win.refresh()
        self.refresh_tab_win()
        self.input.refresh()

    def refresh_info_header(self):
        self.info_header.refresh(self.name, self.text_win, self.chatstate)
        self.input.refresh()

    def get_name(self):
        return self.name

    def get_nick(self):
        return safeJID(self.name).resource

    def on_input(self, key, raw):
        if not raw and key in self.key_func:
            self.key_func[key]()
            return False
        self.input.do_command(key, raw=raw)
        if not self.on:
            return False
        empty_after = self.input.get_text() == '' or (self.input.get_text().startswith('/') and not self.input.get_text().startswith('//'))
        tab = self.core.get_tab_by_name(safeJID(self.name).bare, MucTab)
        if tab and tab.joined:
            self.send_composing_chat_state(empty_after)
        return False

    def on_lose_focus(self):
        self.state = 'normal'
        self.text_win.remove_line_separator()
        self.text_win.add_line_separator(self._text_buffer)
        tab = self.core.get_tab_by_name(safeJID(self.name).bare, MucTab)
        if tab and tab.joined and config.get_by_tabname(
                'send_chat_states', 'true', self.general_jid, True) == 'true'\
                    and not self.input.get_text() and self.on:
            self.send_chat_state('inactive')
        self.check_scrolled()

    def on_gain_focus(self):
        self.state = 'current'
        curses.curs_set(1)
        tab = self.core.get_tab_by_name(safeJID(self.name).bare, MucTab)
        if tab and tab.joined and config.get_by_tabname(
                'send_chat_states', 'true', self.general_jid, True) == 'true'\
                    and not self.input.get_text() and self.on:
            self.send_chat_state('active')

    def on_info_win_size_changed(self):
        if self.core.information_win_size >= self.height-3:
            return
        self.text_win.resize(self.height-2-self.core.information_win_size - Tab.tab_win_height(), self.width, 0, 0)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)

    def get_text_window(self):
        return self.text_win

    def rename_user(self, old_nick, new_nick):
        """
        The user changed her nick in the corresponding muc: update the tab’s name and
        display a message.
        """
        self.add_message('\x193}%(old)s\x19%(info_col)s} is now known as \x193}%(new)s' % {'old':old_nick, 'new':new_nick, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}, typ=2)
        new_jid = safeJID(self.name).bare+'/'+new_nick
        self.name = new_jid

    @refresh_wrapper.conditional
    def user_left(self, status_message, from_nick):
        """
        The user left the associated MUC
        """
        self.deactivate()
        if not status_message:
            self.add_message(_('\x191}%(spec)s \x193}%(nick)s\x19%(info_col)s} has left the room') % {'nick':from_nick, 'spec':get_theme().CHAR_QUIT, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}, typ=2)
        else:
            self.add_message(_('\x191}%(spec)s \x193}%(nick)s\x19%(info_col)s} has left the room (%(status)s)"') % {'nick':from_nick, 'spec':get_theme().CHAR_QUIT, 'status': status_message, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}, typ=2)
        return self.core.current_tab() is self

    @refresh_wrapper.conditional
    def user_rejoined(self, nick):
        """
        The user (or at least someone with the same nick) came back in the MUC
        """
        self.activate()
        tab = self.core.get_tab_by_name(safeJID(self.name).bare, MucTab)
        color = 3
        if tab and config.get_by_tabname('display_user_color_in_join_part', '', self.general_jid, True):
            user = tab.get_user_by_name(nick)
            if user:
                color = dump_tuple(user.color)
        self.add_message('\x194}%(spec)s \x19%(color)s}%(nick)s\x19%(info_col)s} joined the room' % {'nick':nick, 'color': color, 'spec':get_theme().CHAR_JOIN, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)}, typ=2)
        return self.core.current_tab() is self

    def activate(self, reason=None):
        self.on = True
        if reason:
            self.add_message(txt=reason, typ=2)

    def deactivate(self, reason=None):
        self.on = False
        if reason:
            self.add_message(txt=reason, typ=2)

    def matching_names(self):
        return [(3, safeJID(self.get_name()).resource), (4, self.get_name())]

class RosterInfoTab(Tab):
    """
    A tab, splitted in two, containing the roster and infos
    """
    plugin_commands = {}
    plugin_keys = {}
    def __init__(self):
        Tab.__init__(self)
        self.name = "Roster"
        self.v_separator = windows.VerticalSeparator()
        self.information_win = windows.TextWin()
        self.core.information_buffer.add_window(self.information_win)
        self.roster_win = windows.RosterWin()
        self.contact_info_win = windows.ContactInfoWin()
        self.default_help_message = windows.HelpText("Enter commands with “/”. “o”: toggle offline show")
        self.input = self.default_help_message
        self.state = 'normal'
        self.key_func['^I'] = self.completion
        self.key_func[' '] = self.on_space
        self.key_func["/"] = self.on_slash
        self.key_func["KEY_UP"] = self.move_cursor_up
        self.key_func["KEY_DOWN"] = self.move_cursor_down
        self.key_func["M-u"] = self.move_cursor_to_next_contact
        self.key_func["M-y"] = self.move_cursor_to_prev_contact
        self.key_func["M-U"] = self.move_cursor_to_next_group
        self.key_func["M-Y"] = self.move_cursor_to_prev_group
        self.key_func["M-[1;5B"] = self.move_cursor_to_next_group
        self.key_func["M-[1;5A"] = self.move_cursor_to_prev_group
        self.key_func["l"] = self.command_last_activity
        self.key_func["o"] = self.toggle_offline_show
        self.key_func["v"] = self.get_contact_version
        self.key_func["i"] = self.show_contact_info
        self.key_func["n"] = self.change_contact_name
        self.key_func["s"] = self.start_search
        self.key_func["S"] = self.start_search_slow
        self.register_command('deny', self.command_deny,
                usage=_('[jid]'),
                desc=_('Deny your presence to the provided JID (or the selected contact in your roster), who is asking you to be in his/here roster.'),
                shortdesc=_('Deny an user your presence.'),
                completion=self.completion_deny)
        self.register_command('accept', self.command_accept,
                usage=_('[jid]'),
                desc=_('Allow the provided JID (or the selected contact in your roster), to see your presence.'),
                shortdesc=_('Allow an user your presence.'),
                completion=self.completion_deny)
        self.register_command('add', self.command_add,
                usage=_('<jid>'),
                desc=_('Add the specified JID to your roster, ask him to allow you to see his presence, and allow him to see your presence.'),
                shortdesc=_('Add an user to your roster.'))
        self.register_command('name', self.command_name,
                usage=_('<jid> <name>'),
                shortdesc=_('Set the given JID\'s name.'),
                completion=self.completion_name)
        self.register_command('groupadd', self.command_groupadd,
                usage=_('<jid> <group>'),
                desc=_('Add the given JID to the given group.'),
                shortdesc=_('Add an user to a group'),
                completion=self.completion_groupadd)
        self.register_command('groupmove', self.command_groupmove,
                usage=_('<jid> <old group> <new group>'),
                desc=_('Move the given JID from the old group to the new group.'),
                shortdesc=_('Move an user to another group.'),
                completion=self.completion_groupmove)
        self.register_command('groupremove', self.command_groupremove,
                usage=_('<jid> <group>'),
                desc=_('Remove the given JID from the given group.'),
                shortdesc=_('Remove an user from a group.'),
                completion=self.completion_groupremove)
        self.register_command('remove', self.command_remove,
                usage=_('[jid]'),
                desc=_('Remove the specified JID from your roster. This wil unsubscribe you from its presence, cancel its subscription to yours, and remove the item from your roster.'),
                shortdesc=_('Remove an user from your roster.'),
                completion=self.completion_remove)
        self.register_command('reconnect', self.command_reconnect,
                desc=_('Disconnect from the remote server if you are currently connected and then connect to it again.'),
                shortdesc=_('Disconnect and reconnect to the server.'))
        self.register_command('disconnect', self.command_disconnect,
                desc=_('Disconnect from the remote server.'),
                shortdesc=_('Disconnect from the server.'))
        self.register_command('export', self.command_export,
                usage=_('[/path/to/file]'),
                desc=_('Export your contacts into /path/to/file if specified, or $HOME/poezio_contacts if not.'),
                shortdesc=_('Export your roster to a file.'),
                completion=self.completion_file)
        self.register_command('import', self.command_import,
                usage=_('[/path/to/file]'),
                desc=_('Import your contacts from /path/to/file if specified, or $HOME/poezio_contacts if not.'),
                shortdesc=_('Import your roster from a file.'),
                completion=self.completion_file)
        self.register_command('clear', self.command_clear,
                shortdesc=_('Clear the info buffer.'))
        self.register_command('last_activity', self.command_last_activity,
                usage=_('<jid>'),
                desc=_('Informs you of the last activity of a JID.'),
                shortdesc=_('Get the activity of someone.'),
                completion=self.core.completion_last_activity)
        self.resize()
        self.update_commands()
        self.update_keys()

    def check_blocking(self, features):
        if 'urn:xmpp:blocking' in features:
            self.register_command('block', self.command_block,
                    usage=_('[jid]'),
                    shortdesc=_('Prevent a JID from talking to you.'),
                    completion=self.completion_block)
            self.register_command('unblock', self.command_unblock,
                    usage=_('[jid]'),
                    shortdesc=_('Allow a JID to talk to you.'),
                    completion=self.completion_unblock)
            self.register_command('list_blocks', self.command_list_blocks,
                    shortdesc=_('Show the blocked contacts.'))
            self.core.xmpp.del_event_handler('session_start', self.check_blocking)
            self.core.xmpp.add_event_handler('blocked_message', self.on_blocked_message)
        else:
            self.core.information('Simple blocking not supported by the server', 'Info')

    def on_blocked_message(self, message):
        """
        When we try to send a message to a blocked contact
        """
        tab = self.core.get_conversation_by_jid(message['from'], False)
        if not tab:
            log.debug('Received message from nonexistent tab: %s', message['from'])
        message = '\x19%(info_col)s}Cannot send message to %(jid)s: contact blocked' % {
                'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
                'jid': message['from'],
            }
        tab.add_message(message)

    def command_block(self, arg):
        """
        /block [jid]
        """
        def callback(iq):
            if iq['type'] == 'error':
                return self.core.information('Could not block the contact.', 'Error')
            elif iq['type'] == 'result':
                return self.core.information('Contact blocked.', 'Info')

        item = self.roster_win.selected_row
        if arg:
            jid = safeJID(arg)
        elif isinstance(item, Contact):
            jid = item.bare_jid
        elif isinstance(item, Resource):
            jid = item.jid.bare
        self.core.xmpp.plugin['xep_0191'].block(jid, block=False, callback=callback)

    def completion_block(self, the_input):
        """
        Completion for /block
        """
        if the_input.get_argument_position() == 1:
            jids = roster.jids()
            return the_input.new_completion(jids, 1, '', quotify=False)

    def command_unblock(self, arg):
        """
        /unblock [jid]
        """
        def callback(iq):
            if iq['type'] == 'error':
                return self.core.information('Could not unblock the contact.', 'Error')
            elif iq['type'] == 'result':
                return self.core.information('Contact unblocked.', 'Info')

        item = self.roster_win.selected_row
        if arg:
            jid = safeJID(arg)
        elif isinstance(item, Contact):
            jid = item.bare_jid
        elif isinstance(item, Resource):
            jid = item.jid.bare
        self.core.xmpp.plugin['xep_0191'].unblock(jid, block=False, callback=callback)

    def completion_unblock(self, the_input):
        """
        Completion for /unblock
        """
        if the_input.get_argument_position():
            try:
                iq = self.core.xmpp.plugin['xep_0191'].get_blocked(block=True)
            except Exception as e:
                iq = e.iq
            finally:
                if iq['type'] == 'error':
                    return
                l = sorted(str(item) for item in iq['blocklist']['items'])
                return the_input.new_completion(l, 1, quotify=False)

    def command_list_blocks(self, arg=None):
        """
        /list_blocks
        """
        def callback(iq):
            if iq['type'] == 'error':
                return self.core.information('Could not retrieve the blocklist.', 'Error')
            s = 'List of blocked JIDs:\n'
            items = (str(item) for item in iq['blocklist']['items'])
            jids = '\n'.join(items)
            if jids:
                s += jids
            else:
                s = 'No blocked JIDs.'
            self.core.information(s, 'Info')

        self.core.xmpp.plugin['xep_0191'].get_blocked(block=False, callback=callback)

    def command_reconnect(self, args=None):
        """
        /reconnect
        """
        self.core.disconnect(reconnect=True)

    def command_disconnect(self, args=None):
        """
        /disconnect
        """
        self.core.disconnect()

    def command_last_activity(self, arg=None):
        """
        /activity [jid]
        """
        item = self.roster_win.selected_row
        if arg:
            jid = arg
        elif isinstance(item, Contact):
            jid = item.bare_jid
        elif isinstance(item, Resource):
            jid = item.jid.bare
        else:
            self.core.information('No JID selected.', 'Error')
            return
        self.core.command_last_activity(jid)

    def resize(self):
        if not self.visible:
            return
        self.need_resize = False
        roster_width = self.width//2
        info_width = self.width-roster_width-1
        self.v_separator.resize(self.height-1 - Tab.tab_win_height(), 1, 0, roster_width)
        self.information_win.resize(self.height-2-4, info_width, 0, roster_width+1, self.core.information_buffer)
        self.roster_win.resize(self.height-1 - Tab.tab_win_height(), roster_width, 0, 0)
        self.contact_info_win.resize(5 - Tab.tab_win_height(), info_width, self.height-2-4, roster_width+1)
        self.input.resize(1, self.width, self.height-1, 0)

    def completion(self):
        # Check if we are entering a command (with the '/' key)
        if isinstance(self.input, windows.Input) and\
                not self.input.help_message:
            self.complete_commands(self.input)

    def completion_file(self, the_input):
        """
        Completion for /import and /export
        """
        text = the_input.get_text()
        args = text.split()
        n = len(args)
        if n == 1:
            home = os.getenv('HOME') or '/'
            return the_input.auto_completion([home, '/tmp'], '')
        else:
            the_path = text[text.index(' ')+1:]
            try:
                names = os.listdir(the_path)
            except:
                names = []
            end_list = []
            for name in names:
                value = os.path.join(the_path, name)
                if not name.startswith('.'):
                    end_list.append(value)

            return the_input.auto_completion(end_list, '')

    def command_clear(self, arg=''):
        """
        /clear
        """
        self.core.information_buffer.messages = []
        self.information_win.rebuild_everything(self.core.information_buffer)
        self.core.information_win.rebuild_everything(self.core.information_buffer)
        self.refresh()

    def command_deny(self, arg):
        """
        /deny [jid]
        Denies a JID from our roster
        """
        if not arg:
            item = self.roster_win.selected_row
            if isinstance(item, Contact):
                jid = item.bare_jid
            else:
                self.core.information('No subscription to deny')
                return
        else:
            jid = safeJID(arg).bare
            if not jid in [jid for jid in roster.jids()]:
                self.core.information('No subscription to deny')
                return

        contact = roster[jid]
        if contact:
            contact.unauthorize()

    def command_add(self, args):
        """
        Add the specified JID to the roster, and set automatically
        accept the reverse subscription
        """
        jid = safeJID(safeJID(args.strip()).bare)
        if not jid:
            self.core.information(_('No JID specified'), 'Error')
            return
        if jid in roster and roster[jid].subscription in ('to', 'both'):
            return self.core.information('Already subscribed.', 'Roster')
        roster.add(jid)

    def command_name(self, arg):
        """
        Set a name for the specified JID in your roster
        """
        def callback(iq):
            if not iq:
                self.core.information('The name could not be set.', 'Error')
                log.debug('Error in /name:\n%s', iq)
        args = common.shell_split(arg)
        if not args:
            return self.core.command_help('name')
        jid = safeJID(args[0]).bare
        name = args[1] if len(args) == 2 else ''

        contact = roster[jid]
        if contact is None:
            self.core.information(_('No such JID in roster'), 'Error')
            return

        groups = set(contact.groups)
        if 'none' in groups:
            groups.remove('none')
        subscription = contact.subscription
        self.core.xmpp.update_roster(jid, name=name, groups=groups, subscription=subscription,
                callback=callback, block=False)

    def command_groupadd(self, args):
        """
        Add the specified JID to the specified group
        """
        args = common.shell_split(args)
        if len(args) != 2:
            return
        jid = safeJID(args[0]).bare
        group = args[1]

        contact = roster[jid]
        if contact is None:
            self.core.information(_('No such JID in roster'), 'Error')
            return

        new_groups = set(contact.groups)
        if group in new_groups:
            self.core.information(_('JID already in group'), 'Error')
            return

        roster.modified()
        new_groups.add(group)
        try:
            new_groups.remove('none')
        except KeyError:
            pass

        name = contact.name
        subscription = contact.subscription

        def callback(iq):
            if iq:
                roster.update_contact_groups(jid)
            else:
                self.core.information('The group could not be set.', 'Error')
                log.debug('Error in groupadd:\n%s', iq)

        self.core.xmpp.update_roster(jid, name=name, groups=new_groups, subscription=subscription,
                callback=callback, block=False)

    def command_groupmove(self, arg):
        """
        Remove the specified JID from the first specified group and add it to the second one
        """
        args = common.shell_split(arg)
        if len(args) != 3:
            return self.core.command_help('groupmove')
        jid = safeJID(args[0]).bare
        group_from = args[1]
        group_to = args[2]

        contact = roster[jid]
        if not contact:
            self.core.information(_('No such JID in roster'), 'Error')
            return

        new_groups = set(contact.groups)
        if 'none' in new_groups:
            new_groups.remove('none')

        if group_to == 'none' or group_from == 'none':
            self.core.information(_('"none" is not a group.'), 'Error')
            return

        if group_from not in new_groups:
            self.core.information(_('JID not in first group'), 'Error')
            return

        if group_to in new_groups:
            self.core.information(_('JID already in second group'), 'Error')
            return

        if group_to == group_from:
            self.core.information(_('The groups are the same.'), 'Error')
            return

        roster.modified()
        new_groups.add(group_to)
        if 'none' in new_groups:
            new_groups.remove('none')

        new_groups.remove(group_from)
        name = contact.name
        subscription = contact.subscription

        def callback(iq):
            if iq:
                roster.update_contact_groups(contact)
            else:
                self.information('The group could not be set')
                log.debug('Error in groupmove:\n%s', iq)

        self.core.xmpp.update_roster(jid, name=name, groups=new_groups, subscription=subscription,
                callback=callback, block=False)

    def command_groupremove(self, args):
        """
        Remove the specified JID from the specified group
        """
        args = common.shell_split(args)
        if len(args) != 2:
            return
        jid = safeJID(args[0]).bare
        group = args[1]

        contact = roster[jid]
        if contact is None:
            self.core.information(_('No such JID in roster'), 'Error')
            return

        new_groups = set(contact.groups)
        try:
            new_groups.remove('none')
        except KeyError:
            pass
        if group not in new_groups:
            self.core.information(_('JID not in group'), 'Error')
            return

        roster.modified()

        new_groups.remove(group)
        name = contact.name
        subscription = contact.subscription

        def callback(iq):
            if iq:
                roster.update_contact_groups(jid)
            else:
                self.information('The group could not be set')
                log.debug('Error in groupremove:\n%s', iq)

        self.core.xmpp.update_roster(jid, name=name, groups=new_groups, subscription=subscription,
                callback=callback, block=False)

    def command_remove(self, args):
        """
        Remove the specified JID from the roster. i.e. : unsubscribe
        from its presence, and cancel its subscription to our.
        """
        if args.strip():
            jid = safeJID(args.strip()).bare
        else:
            item = self.roster_win.selected_row
            if isinstance(item, Contact):
                jid = item.bare_jid
            else:
                self.core.information('No roster item to remove')
                return
        roster.remove(jid)
        del roster[jid]

    def command_import(self, arg):
        """
        Import the contacts
        """
        args = common.shell_split(arg)
        if len(args):
            if args[0].startswith('/'):
                filepath = args[0]
            else:
                filepath = path.join(getenv('HOME'), args[0])
        else:
            filepath = path.join(getenv('HOME'), 'poezio_contacts')
        if not path.isfile(filepath):
            self.core.information('The file %s does not exist' % filepath, 'Error')
            return
        try:
            handle = open(filepath, 'r', encoding='utf-8')
            lines = handle.readlines()
            handle.close()
        except IOError:
            self.core.information('Could not open %s' % filepath, 'Error')
            log.error('Unable to correct a message', exc_info=True)
            return
        for jid in lines:
            self.command_add(jid.lstrip('\n'))
        self.core.information('Contacts imported from %s' % filepath, 'Info')

    def command_export(self, arg):
        """
        Export the contacts
        """
        args = common.shell_split(arg)
        if len(args):
            if args[0].startswith('/'):
                filepath = args[0]
            else:
                filepath = path.join(getenv('HOME'), args[0])
        else:
            filepath = path.join(getenv('HOME'), 'poezio_contacts')
        if path.isfile(filepath):
            self.core.information('The file already exists', 'Error')
            return
        elif not path.isdir(path.dirname(filepath)):
            self.core.information('Parent directory not found', 'Error')
            return
        if roster.export(filepath):
            self.core.information('Contacts exported to %s' % filepath, 'Info')
        else:
            self.core.information('Failed to export contacts to %s' % filepath, 'Info')

    def completion_remove(self, the_input):
        """
        Completion for /remove
        """
        jids = [jid for jid in roster.jids()]
        return the_input.auto_completion(jids, '', quotify=False)

    def completion_name(self, the_input):
        """Completion for /name"""
        n = the_input.get_argument_position()
        if n == 1:
            jids = [jid for jid in roster.jids()]
            return the_input.new_completion(jids, n, quotify=True)
        return False

    def completion_groupadd(self, the_input):
        n = the_input.get_argument_position()
        if n == 1:
            jids = sorted(jid for jid in roster.jids())
            return the_input.new_completion(jids, n, '', quotify=True)
        elif n == 2:
            groups = sorted(group for group in roster.groups if group != 'none')
            return the_input.new_completion(groups, n, '', quotify=True)
        return False

    def completion_groupmove(self, the_input):
        args = common.shell_split(the_input.text)
        n = the_input.get_argument_position()
        if n == 1:
            jids = sorted(jid for jid in roster.jids())
            return the_input.new_completion(jids, n, '', quotify=True)
        elif n == 2:
            contact = roster[args[1]]
            if not contact:
                return False
            groups = list(contact.groups)
            if 'none' in groups:
                groups.remove('none')
            return the_input.new_completion(groups, n, '', quotify=True)
        elif n == 3:
            groups = sorted(group for group in roster.groups)
            return the_input.new_completion(groups, n, '', quotify=True)
        return False

    def completion_groupremove(self, the_input):
        args = common.shell_split(the_input.text)
        n = the_input.get_argument_position()
        if n == 1:
            jids = sorted(jid for jid in roster.jids())
            return the_input.new_completion(jids, n, '', quotify=True)
        elif n == 2:
            contact = roster[args[1]]
            if contact is None:
                return False
            groups = sorted(contact.groups)
            try:
                groups.remove('none')
            except ValueError:
                pass
            return the_input.new_completion(groups, n, '', quotify=True)
        return False

    def completion_deny(self, the_input):
        """
        Complete the first argument from the list of the
        contact with ask=='subscribe'
        """
        jids = sorted(str(contact.bare_jid) for contact in roster.contacts.values()
             if contact.pending_in)
        return the_input.new_completion(jids, 1, '', quotify=False)

    def command_accept(self, arg):
        """
        Accept a JID from in roster. Authorize it AND subscribe to it
        """
        if not arg:
            item = self.roster_win.selected_row
            if isinstance(item, Contact):
                jid = item.bare_jid
            else:
                self.core.information('No subscription to accept')
                return
        else:
            jid = safeJID(arg).bare
        nodepart = safeJID(jid).user
        jid = safeJID(jid)
        # crappy transports putting resources inside the node part
        if '\\2f' in nodepart:
            jid.user = nodepart.split('\\2f')[0]
        contact = roster[jid]
        if contact is None:
            return
        contact.pending_in = False
        roster.modified()
        self.core.xmpp.send_presence(pto=jid, ptype='subscribed')
        self.core.xmpp.client_roster.send_last_presence()
        if contact.subscription in ('from', 'none') and not contact.pending_out:
            self.core.xmpp.send_presence(pto=jid, ptype='subscribe', pnick=self.core.own_nick)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.v_separator.refresh()
        self.roster_win.refresh(roster)
        self.contact_info_win.refresh(self.roster_win.get_selected_row())
        self.information_win.refresh()
        self.refresh_tab_win()
        self.input.refresh()

    def get_name(self):
        return self.name

    def on_input(self, key, raw):
        if key == '^M':
            selected_row = self.roster_win.get_selected_row()
        res = self.input.do_command(key, raw=raw)
        if res and not isinstance(self.input, windows.Input):
            return True
        elif res:
            return False
        if key == '^M':
            self.core.on_roster_enter_key(selected_row)
            return selected_row
        elif not raw and key in self.key_func:
            return self.key_func[key]()

    @refresh_wrapper.conditional
    def toggle_offline_show(self):
        """
        Show or hide offline contacts
        """
        option = 'roster_show_offline'
        if config.get(option, 'false') == 'false':
            success = config.silent_set(option, 'true')
        else:
            success = config.silent_set(option, 'false')
        roster.modified()
        if not success:
            self.information(_('Unable to write in the config file'), 'Error')
        return True

    def on_slash(self):
        """
        '/' is pressed, we enter "input mode"
        """
        curses.curs_set(1)
        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.do_command("/") # we add the slash

    def reset_help_message(self, _=None):
        self.input = self.default_help_message
        if self.core.current_tab() is self:
            curses.curs_set(0)
            self.input.refresh()
            self.core.doupdate()
        return True

    def execute_slash_command(self, txt):
        if txt.startswith('/'):
            self.input.key_enter()
            self.execute_command(txt)
        return self.reset_help_message()

    def on_lose_focus(self):
        self.state = 'normal'

    def on_gain_focus(self):
        self.state = 'current'
        if isinstance(self.input, windows.HelpText):
            curses.curs_set(0)
        else:
            curses.curs_set(1)

    @refresh_wrapper.conditional
    def move_cursor_down(self):
        if isinstance(self.input, windows.Input) and not self.input.history_disabled:
            return
        return self.roster_win.move_cursor_down()

    @refresh_wrapper.conditional
    def move_cursor_up(self):
        if isinstance(self.input, windows.Input) and not self.input.history_disabled:
            return
        return self.roster_win.move_cursor_up()

    def move_cursor_to_prev_contact(self):
        self.roster_win.move_cursor_up()
        while not isinstance(self.roster_win.get_selected_row(), Contact):
            if not self.roster_win.move_cursor_up():
                break
        self.roster_win.refresh(roster)

    def move_cursor_to_next_contact(self):
        self.roster_win.move_cursor_down()
        while not isinstance(self.roster_win.get_selected_row(), Contact):
            if not self.roster_win.move_cursor_down():
                break
        self.roster_win.refresh(roster)

    def move_cursor_to_prev_group(self):
        self.roster_win.move_cursor_up()
        while not isinstance(self.roster_win.get_selected_row(), RosterGroup):
            if not self.roster_win.move_cursor_up():
                break
        self.roster_win.refresh(roster)

    def move_cursor_to_next_group(self):
        self.roster_win.move_cursor_down()
        while not isinstance(self.roster_win.get_selected_row(), RosterGroup):
            if not self.roster_win.move_cursor_down():
                break
        self.roster_win.refresh(roster)

    def on_scroll_down(self):
        return self.roster_win.move_cursor_down(self.height // 2)

    def on_scroll_up(self):
        return self.roster_win.move_cursor_up(self.height // 2)

    @refresh_wrapper.conditional
    def on_space(self):
        if isinstance(self.input, windows.Input):
            return
        selected_row = self.roster_win.get_selected_row()
        if isinstance(selected_row, RosterGroup):
            selected_row.toggle_folded()
            roster.modified()
            return True
        elif isinstance(selected_row, Contact):
            group = "none"
            found_group = False
            pos = self.roster_win.pos
            while not found_group and pos >= 0:
                row = self.roster_win.roster_cache[pos]
                pos -= 1
                log.debug(row)
                if isinstance(row, RosterGroup):
                    found_group = True
                    group = row.name
            selected_row.toggle_folded(group)
            roster.modified()
            return True
        return False

    def get_contact_version(self):
        """
        Show the versions of the resource(s) currently selected
        """
        selected_row = self.roster_win.get_selected_row()
        if isinstance(selected_row, Contact):
            for resource in selected_row.resources:
                self.core.command_version(str(resource.jid))
        elif isinstance(selected_row, Resource):
            self.core.command_version(str(selected_row.jid))
        else:
            self.core.information('Nothing to get versions from', 'Info')

    def show_contact_info(self):
        """
        Show the contact info (resource number, status, presence, etc)
        when 'i' is pressed.
        """
        selected_row = self.roster_win.get_selected_row()
        if isinstance(selected_row, Contact):
            cont = selected_row
            res = selected_row.get_highest_priority_resource()
            acc = []
            acc.append('Contact: %s (%s)' % (cont.bare_jid, res.presence if res else 'unavailable'))
            if res:
                acc.append('%s connected resource%s' % (len(cont), '' if len(cont) == 1 else 's'))
                acc.append('Current status: %s' % res.status)
            if cont.tune:
                acc.append('Tune: %s' % common.format_tune_string(cont.tune))
            if cont.mood:
                acc.append('Mood: %s' % cont.mood)
            if cont.activity:
                acc.append('Activity: %s' % cont.activity)
            if cont.gaming:
                acc.append('Game: %s' % (common.format_gaming_string(cont.gaming)))
            msg = '\n'.join(acc)
        elif isinstance(selected_row, Resource):
            res = selected_row
            msg = 'Resource: %s (%s)\nCurrent status: %s\nPriority: %s' % (
                    res.jid,
                    res.presence,
                    res.status,
                    res.priority)
        elif isinstance(selected_row, RosterGroup):
            rg = selected_row
            msg = 'Group: %s [%s/%s] contacts online' % (
                    rg.name,
                    rg.get_nb_connected_contacts(),
                    len(rg),)
        else:
            msg = None
        if msg:
            self.core.information(msg, 'Info')

    def change_contact_name(self):
        """
        Auto-fill a /name command when 'n' is pressed
        """
        selected_row = self.roster_win.get_selected_row()
        if isinstance(selected_row, Contact):
            jid = selected_row.bare_jid
        elif isinstance(selected_row, Resource):
            jid = safeJID(selected_row.jid).bare
        else:
            return
        self.on_slash()
        self.input.text = '/name "%s" ' % jid
        self.input.key_end()
        self.input.refresh()

    @refresh_wrapper.always
    def start_search(self):
        """
        Start the search. The input should appear with a short instruction
        in it.
        """
        curses.curs_set(1)
        self.input = windows.CommandInput("[Search]", self.on_search_terminate, self.on_search_terminate, self.set_roster_filter)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.disable_history()
        roster.modified()
        self.refresh()
        return True

    @refresh_wrapper.always
    def start_search_slow(self):
        curses.curs_set(1)
        self.input = windows.CommandInput("[Search]", self.on_search_terminate, self.on_search_terminate, self.set_roster_filter_slow)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.disable_history()
        return True

    def set_roster_filter_slow(self, txt):
        roster.contact_filter = (jid_and_name_match_slow, txt)
        roster.modified()
        self.refresh()
        return False

    def set_roster_filter(self, txt):
        roster.contact_filter = (jid_and_name_match, txt)
        roster.modified()
        self.refresh()
        return False

    @refresh_wrapper.always
    def on_search_terminate(self, txt):
        curses.curs_set(0)
        roster.contact_filter = None
        self.reset_help_message()
        roster.modified()
        return True

    def on_close(self):
        return

class ConversationTab(ChatTab):
    """
    The tab containg a normal conversation (not from a MUC)
    Must not be instantiated, use Static or Dynamic version only.
    """
    plugin_commands = {}
    plugin_keys = {}
    additional_informations = {}
    message_type = 'chat'
    def __init__(self, jid):
        ChatTab.__init__(self, jid)
        self.nick = None
        self.nick_sent = False
        self.state = 'normal'
        self.name = jid        # a conversation tab is linked to one specific full jid OR bare jid
        self.text_win = windows.TextWin()
        self._text_buffer.add_window(self.text_win)
        self.upper_bar = windows.ConversationStatusMessageWin()
        self.input = windows.MessageInput()
        self.check_attention()
        # keys
        self.key_func['^I'] = self.completion
        # commands
        self.register_command('unquery', self.command_unquery,
                shortdesc=_('Close the tab.'))
        self.register_command('close', self.command_unquery,
                shortdesc=_('Close the tab.'))
        self.register_command('version', self.command_version,
                desc=_('Get the software version of the current interlocutor (usually its XMPP client and Operating System).'),
                shortdesc=_('Get the software version of the user.'))
        self.register_command('info', self.command_info,
                shortdesc=_('Get the status of the contact.'))
        self.register_command('last_activity', self.command_last_activity,
                usage=_('[jid]'),
                desc=_('Get the last activity of the given or the current contact.'),
                shortdesc=_('Get the activity.'),
                completion=self.core.completion_last_activity)
        self.resize()
        self.update_commands()
        self.update_keys()

    @property
    def general_jid(self):
        return safeJID(self.get_name()).bare

    @staticmethod
    def add_information_element(plugin_name, callback):
        """
        Lets a plugin add its own information to the ConversationInfoWin
        """
        ConversationTab.additional_informations[plugin_name] = callback

    @staticmethod
    def remove_information_element(plugin_name):
        del ConversationTab.additional_informations[plugin_name]

    def completion(self):
        self.complete_commands(self.input)

    def command_say(self, line, attention=False, correct=False):
        msg = self.core.xmpp.make_message(self.get_dest_jid())
        msg['type'] = 'chat'
        msg['body'] = line
        if not self.nick_sent:
            msg['nick'] = self.core.own_nick
            self.nick_sent = True
        # trigger the event BEFORE looking for colors.
        # and before displaying the message in the window
        # This lets a plugin insert \x19xxx} colors, that will
        # be converted in xhtml.
        self.core.events.trigger('conversation_say', msg, self)
        replaced = False
        if correct:
            msg['replace']['id'] = self.last_sent_message['id']
            if config.get_by_tabname('group_corrections', 'true', self.get_name()).lower() != 'false':
                try:
                    self.modify_message(line, self.last_sent_message['id'], msg['id'], jid=self.core.xmpp.boundjid,
                            nickname=self.core.own_nick)
                    replaced = True
                except:
                    log.error('Unable to correct a message', exc_info=True)
        if not replaced:
            self.add_message(msg['body'],
                    nickname=self.core.own_nick,
                    nick_color=get_theme().COLOR_OWN_NICK,
                    identifier=msg['id'],
                    jid=self.core.xmpp.boundjid,
                    typ=1)
        if msg['body'].find('\x19') != -1:
            msg.enable('html')
            msg['html']['body'] = xhtml.poezio_colors_to_html(msg['body'])
            msg['body'] = xhtml.clean_text(msg['body'])
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and self.remote_wants_chatstates is not False:
            needed = 'inactive' if self.inactive else 'active'
            msg['chat_state'] = needed
        if attention and self.remote_supports_attention:
            msg['attention'] = True
        self.core.events.trigger('conversation_say_after', msg, self)
        self.last_sent_message = msg
        msg.send()
        self.cancel_paused_delay()
        self.text_win.refresh()
        self.input.refresh()

    def command_last_activity(self, arg):
        """
        /activity [jid]
        """
        if arg.strip():
            return self.core.command_last_activity(arg)

        def callback(iq):
            if iq['type'] != 'result':
                if iq['error']['type'] == 'auth':
                    self.information('You are not allowed to see the activity of this contact.', 'Error')
                else:
                    self.information('Error retrieving the activity', 'Error')
                return
            seconds = iq['last_activity']['seconds']
            status = iq['last_activity']['status']
            from_ = iq['from']
            msg = '\x19%s}The last activity of %s was %s ago%s'
            if not safeJID(from_).user:
                msg = '\x19%s}The uptime of %s is %s.' % (
                        dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
                        from_,
                        common.parse_secs_to_str(seconds))
            else:
                msg = '\x19%s}The last activity of %s was %s ago%s' % (
                    dump_tuple(get_theme().COLOR_INFORMATION_TEXT),
                    from_,
                    common.parse_secs_to_str(seconds),
                    (' and his/her last status was %s' % status) if status else '',)
            self.add_message(msg)
            self.core.refresh_window()

        self.core.xmpp.plugin['xep_0012'].get_last_activity(self.general_jid, block=False, callback=callback)

    @refresh_wrapper.conditional
    def command_info(self, arg):
        contact = roster[self.get_dest_jid()]
        jid = safeJID(self.get_dest_jid())
        if contact:
            if jid.resource:
                resource = contact[jid.full]
            else:
                resource = contact.get_highest_priority_resource()
        else:
            resource = None
        if resource:
            status = (_('Status : %s') % resource.status) if resource.status else ''
            self._text_buffer.add_message("\x19%(info_col)s}Show: %(show)s, %(status)s\x19o" % {
                'show': resource.show or 'available', 'status': status, 'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)})
            return True
        else:
            self._text_buffer.add_message("\x19%(info_col)s}No information available\x19o" % {'info_col': dump_tuple(get_theme().COLOR_INFORMATION_TEXT)})
            return True


    def command_attention(self, message=''):
        if message is not '':
            self.command_say(message, attention=True)
        else:
            msg = self.core.xmpp.make_message(self.get_dest_jid())
            msg['type'] = 'chat'
            msg['attention'] = True
            msg.send()

    def check_attention(self):
        self.core.xmpp.plugin['xep_0030'].get_info(jid=self.get_dest_jid(), block=False, timeout=5, callback=self.on_attention_checked)

    def on_attention_checked(self, iq):
        if 'urn:xmpp:attention:0' in iq['disco_info'].get_features():
            self.core.information('Attention is supported', 'Info')
            self.remote_supports_attention = True
            self.commands['attention'] =  (self.command_attention, _('Usage: /attention [message]\nAttention: Require the attention of the contact. Can also send a message along with the attention.'), None)
        else:
            self.remote_supports_attention = False

    def command_unquery(self, arg):
        self.core.close_tab()

    def command_version(self, arg):
        """
        /version
        """
        def callback(res):
            if not res:
                return self.core.information('Could not get the software version from %s' % (jid,), 'Warning')
            version = '%s is running %s version %s on %s' % (jid,
                                                             res.get('name') or _('an unknown software'),
                                                             res.get('version') or _('unknown'),
                                                             res.get('os') or _('an unknown platform'))
            self.core.information(version, 'Info')
        if arg:
            return self.core.command_version(arg)
        jid = safeJID(self.name)
        if not jid.resource:
            if jid in roster:
                resource = roster[jid].get_highest_priority_resource()
                jid = resource.jid if resource else jid
        fixes.get_version(self.core.xmpp, jid, callback=callback)

    def resize(self):
        if self.core.information_win_size >= self.height-3 or not self.visible:
            return
        self.need_resize = False
        self.text_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width, 1, 0)
        self.text_win.rebuild_everything(self._text_buffer)
        self.upper_bar.resize(1, self.width, 0, 0)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.text_win.refresh()
        self.upper_bar.refresh(self.get_dest_jid(), roster[self.get_dest_jid()])
        self.info_header.refresh(self.get_dest_jid(), roster[self.get_dest_jid()], self.text_win, self.chatstate, ConversationTab.additional_informations)
        self.info_win.refresh()
        self.refresh_tab_win()
        self.input.refresh()

    def refresh_info_header(self):
        self.info_header.refresh(self.get_dest_jid(), roster[self.get_dest_jid()],
                self.text_win, self.chatstate, ConversationTab.additional_informations)
        self.input.refresh()

    def get_name(self):
        return self.name

    def get_nick(self):
        jid = safeJID(self.name)
        contact = roster[jid.bare]
        if contact:
            return contact.name or jid.user
        else:
            if self.nick:
                return self.nick
            return jid.user

    def on_input(self, key, raw):
        if not raw and key in self.key_func:
            self.key_func[key]()
            return False
        self.input.do_command(key, raw=raw)
        empty_after = self.input.get_text() == '' or (self.input.get_text().startswith('/') and not self.input.get_text().startswith('//'))
        self.send_composing_chat_state(empty_after)
        return False

    def on_lose_focus(self):
        contact = roster[self.get_dest_jid()]
        jid = safeJID(self.get_dest_jid())
        if contact:
            if jid.resource:
                resource = contact[jid.full]
            else:
                resource = contact.get_highest_priority_resource()
        else:
            resource = None
        self.state = 'normal'
        self.text_win.remove_line_separator()
        self.text_win.add_line_separator(self._text_buffer)
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and (not self.input.get_text() or not self.input.get_text().startswith('//')):
            if resource:
                self.send_chat_state('inactive')
        self.check_scrolled()

    def on_gain_focus(self):
        contact = roster[self.get_dest_jid()]
        jid = safeJID(self.get_dest_jid())
        if contact:
            if jid.resource:
                resource = contact[jid.full]
            else:
                resource = contact.get_highest_priority_resource()
        else:
            resource = None

        self.state = 'current'
        curses.curs_set(1)
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true' and (not self.input.get_text() or not self.input.get_text().startswith('//')):
            if resource:
                self.send_chat_state('active')

    def on_info_win_size_changed(self):
        if self.core.information_win_size >= self.height-3:
            return
        self.text_win.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width, 1, 0)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)

    def get_text_window(self):
        return self.text_win

    def on_close(self):
        Tab.on_close(self)
        if config.get_by_tabname('send_chat_states', 'true', self.general_jid, True) == 'true':
            self.send_chat_state('gone')

    def matching_names(self):
        res = []
        jid = safeJID(self.get_name())
        res.append((2, jid.bare))
        res.append((1, jid.user))
        contact = roster[self.get_name()]
        if contact and contact.name:
            res.append((0, contact.name))
        return res

class DynamicConversationTab(ConversationTab):
    """
    A conversation tab associated with one bare JID that can be “locked” to
    a full jid, and unlocked, as described in the XEP-0296.
    Only one DynamicConversationTab can be opened for a given jid.
    """
    def __init__(self, jid, resource=None):
        self.locked_resource = None
        self.name = safeJID(jid).bare
        if resource:
            self.lock(resource)
        self.info_header = windows.DynamicConversationInfoWin()
        ConversationTab.__init__(self, jid)
        self.register_command('unlock', self.unlock_command,
                shortdesc=_('Unlock the converstation from a particular resource.'))

    def lock(self, resource):
        """
        Lock the tab to the resource.
        """
        assert(resource)
        self.locked_resource = resource

    def unlock_command(self, arg=None):
        self.unlock()
        self.refresh_info_header()

    def unlock(self):
        """
        Unlock the tab from a resource. It is now “associated” with the bare
        jid.
        """
        self.locked_resource = None

    def get_dest_jid(self):
        """
        Returns the full jid (using the locked resource), or the bare jid if
        the conversation is not locked.
        """
        if self.locked_resource:
            return "%s/%s" % (self.get_name(), self.locked_resource)
        return self.get_name()

    def refresh(self):
        """
        Different from the parent class only for the info_header object.
        """
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.text_win.refresh()
        self.upper_bar.refresh(self.get_name(), roster[self.get_name()])
        if self.locked_resource:
            displayed_jid = "%s/%s" % (self.get_name(), self.locked_resource)
        else:
            displayed_jid = self.get_name()
        self.info_header.refresh(displayed_jid, roster[self.get_name()], self.text_win, self.chatstate, ConversationTab.additional_informations)
        self.info_win.refresh()
        self.refresh_tab_win()
        self.input.refresh()

    def refresh_info_header(self):
        """
        Different from the parent class only for the info_header object.
        """
        if self.locked_resource:
            displayed_jid = "%s/%s" % (self.get_name(), self.locked_resource)
        else:
            displayed_jid = self.get_name()
        self.info_header.refresh(displayed_jid, roster[self.get_name()],
                self.text_win, self.chatstate, ConversationTab.additional_informations)
        self.input.refresh()

class StaticConversationTab(ConversationTab):
    """
    A conversation tab associated with one Full JID. It cannot be locked to
    an different resource or unlocked.
    """
    def __init__(self, jid):
        assert(safeJID(jid).resource)
        self.info_header = windows.ConversationInfoWin()
        ConversationTab.__init__(self, jid)

class MucListTab(Tab):
    """
    A tab listing rooms from a specific server, displaying various information,
    scrollable, and letting the user join them, etc
    """
    plugin_commands = {}
    plugin_keys = {}
    def __init__(self, server):
        Tab.__init__(self)
        self.state = 'normal'
        self.name = server
        columns = ('node-part', 'name', 'users')
        self.list_header = windows.ColumnHeaderWin(columns)
        self.listview = windows.ListWin(columns)
        self.info_header = windows.MucListInfoWin(_('Chatroom list on server %s (Loading)') % self.name)
        self.default_help_message = windows.HelpText("“j”: join room.")
        self.input = self.default_help_message
        self.key_func["KEY_DOWN"] = self.move_cursor_down
        self.key_func["KEY_UP"] = self.move_cursor_up
        self.key_func['^I'] = self.completion
        self.key_func["/"] = self.on_slash
        self.key_func['j'] = self.join_selected
        self.key_func['J'] = self.join_selected_no_focus
        self.key_func['^M'] = self.join_selected
        self.key_func['KEY_LEFT'] = self.list_header.sel_column_left
        self.key_func['KEY_RIGHT'] = self.list_header.sel_column_right
        self.key_func[' '] = self.sort_by
        self.register_command('close', self.close,
                shortdesc=_('Close this tab.'))
        self.resize()
        self.update_keys()
        self.update_commands()

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.info_header.refresh()
        self.info_win.refresh()
        self.refresh_tab_win()
        self.list_header.refresh()
        self.listview.refresh()
        self.input.refresh()
        self.update_commands()

    def resize(self):
        if self.core.information_win_size >= self.height-3 or not self.visible:
            return
        self.need_resize = False
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        column_size = {'node-part': int(self.width*2/8) ,
                       'name': int(self.width*5/8),
                       'users': self.width-int(self.width*2/8)-int(self.width*5/8)}
        self.list_header.resize_columns(column_size)
        self.list_header.resize(1, self.width, 0, 0)
        self.listview.resize_columns(column_size)
        self.listview.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width, 1, 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def on_slash(self):
        """
        '/' is pressed, activate the input
        """
        curses.curs_set(1)
        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.do_command("/") # we add the slash

    def close(self, arg=None):
        self.input.on_delete()
        self.core.close_tab(self)

    def join_selected_no_focus(self):
        return

    def set_error(self, msg, code, body):
        """
        If there's an error (retrieving the values etc)
        """
        self._error_message = _('Error: %(code)s - %(msg)s: %(body)s') % {'msg':msg, 'body':body, 'code':code}
        self.info_header.message = self._error_message
        self.info_header.refresh()
        curses.doupdate()

    def on_muc_list_item_received(self, iq):
        """
        Callback called when a disco#items result is received
        Used with command_list
        """
        if iq['type'] == 'error':
            self.set_error(iq['error']['type'], iq['error']['code'], iq['error']['text'])
            return
        items = [{'node-part': safeJID(item[0]).user if safeJID(item[0]).server == self.name else safeJID(item[0]).bare,
                  'jid': item[0],
                  'name': item[2] or '' ,'users': ''} for item in iq['disco_items'].get_items()]
        self.listview.add_lines(items)
        self.info_header.message = _('Chatroom list on server %s') % self.name
        if self.core.current_tab() is self:
            self.listview.refresh()
            self.info_header.refresh()
        else:
            self.state = 'highlight'
            self.refresh_tab_win()
        curses.doupdate()

    def sort_by(self):
        if self.list_header.get_order():
            self.listview.sort_by_column(col_name=self.list_header.get_sel_column(),asc=False)
            self.list_header.set_order(False)
            self.list_header.refresh()
        else:
            self.listview.sort_by_column(col_name=self.list_header.get_sel_column(),asc=True)
            self.list_header.set_order(True)
            self.list_header.refresh()
        curses.doupdate()

    def join_selected(self):
        row = self.listview.get_selected_row()
        if not row:
            return
        self.core.command_join(row['jid'])

    @refresh_wrapper.always
    def reset_help_message(self, _=None):
        curses.curs_set(0)
        self.input = self.default_help_message
        self.input.resize(1, self.width, self.height-1, 0)
        return True

    def execute_slash_command(self, txt):
        if txt.startswith('/'):
            self.input.key_enter()
            self.execute_command(txt)
        return self.reset_help_message()

    def get_name(self):
        return self.name

    def completion(self):
        if isinstance(self.input, windows.Input):
            self.complete_commands(self.input)

    def on_input(self, key, raw):
        res = self.input.do_command(key, raw=raw)
        if res:
            return True
        if not raw and key in self.key_func:
            return self.key_func[key]()

    def on_info_win_size_changed(self):
        if self.core.information_win_size >= self.height-3:
            return
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        self.listview.resize(self.height-3-self.core.information_win_size - Tab.tab_win_height(), self.width, 1, 0)

    def on_lose_focus(self):
        self.state = 'normal'

    def on_gain_focus(self):
        self.state = 'current'
        curses.curs_set(0)

    def on_scroll_up(self):
        return self.listview.scroll_up()

    def on_scroll_down(self):
        return self.listview.scroll_down()

    def move_cursor_up(self):
        self.listview.move_cursor_up()
        self.listview.refresh()
        self.core.doupdate()

    def move_cursor_down(self):
        self.listview.move_cursor_down()
        self.listview.refresh()
        self.core.doupdate()

    def matching_names(self):
        return [(2, self.name)]

class XMLTab(Tab):
    def __init__(self):
        Tab.__init__(self)
        self.state = 'normal'
        self.text_win = windows.TextWin()
        self.core.xml_buffer.add_window(self.text_win)
        self.info_header = windows.XMLInfoWin()
        self.default_help_message = windows.HelpText("/ to enter a command")
        self.register_command('close', self.close,
                shortdesc=_("Close this tab."))
        self.register_command('clear', self.command_clear,
                shortdesc=_('Clear the current buffer.'))
        self.register_command('reset', self.command_reset,
                shortdesc=_('Reset the stanza filter.'))
        self.register_command('filter_id', self.command_filter_id,
                usage='<id>',
                desc=_('Show only the stanzas with the id <id>.'),
                shortdesc=_('Filter by id.'))
        self.register_command('filter_xpath', self.command_filter_xpath,
                usage='<xpath>',
                desc=_('Show only the stanzas matching the xpath <xpath>.'),
                shortdesc=_('Filter by XPath.'))
        self.register_command('filter_xmlmask', self.command_filter_xmlmask,
                usage=_('<xml mask>'),
                desc=_('Show only the stanzas matching the given xml mask.'),
                shortdesc=_('Filter by xml mask.'))
        self.input = self.default_help_message
        self.key_func['^T'] = self.close
        self.key_func['^I'] = self.completion
        self.key_func["KEY_DOWN"] = self.on_scroll_down
        self.key_func["KEY_UP"] = self.on_scroll_up
        self.key_func["^K"] = self.on_freeze
        self.key_func["/"] = self.on_slash
        self.resize()
        # Used to display the infobar
        self.filter_type = ''
        self.filter = ''

    def on_freeze(self):
        """
        Freeze the display.
        """
        self.text_win.toggle_lock()
        self.refresh()

    def command_filter_xmlmask(self, arg):
        """/filter_xmlmask <xml mask>"""
        try:
            handler = Callback('custom matcher', matcher.MatchXMLMask(arg),
                    self.core.incoming_stanza)
            self.core.xmpp.remove_handler('custom matcher')
            self.core.xmpp.register_handler(handler)
            self.filter_type = "XML Mask Filter"
            self.filter = arg
            self.refresh()
        except:
            self.core.information('Invalid XML Mask', 'Error')
            self.command_reset('')

    def command_filter_id(self, arg):
        """/filter_id <id>"""
        self.core.xmpp.remove_handler('custom matcher')
        handler = Callback('custom matcher', matcher.MatcherId(arg),
                self.core.incoming_stanza)
        self.core.xmpp.register_handler(handler)
        self.filter_type = "Id Filter"
        self.filter = arg
        self.refresh()

    def command_filter_xpath(self, arg):
        """/filter_xpath <xpath>"""
        try:
            handler = Callback('custom matcher', matcher.MatchXPath(
                arg.replace('%n', self.core.xmpp.default_ns)),
                    self.core.incoming_stanza)
            self.core.xmpp.remove_handler('custom matcher')
            self.core.xmpp.register_handler(handler)
            self.filter_type = "XPath Filter"
            self.filter = arg
            self.refresh()
        except:
            self.core.information('Invalid XML Path', 'Error')
            self.command_reset('')

    def command_reset(self, arg):
        """/reset"""
        self.core.xmpp.remove_handler('custom matcher')
        self.core.xmpp.register_handler(self.core.all_stanzas)
        self.filter_type = ''
        self.filter = ''
        self.refresh()

    def on_slash(self):
        """
        '/' is pressed, activate the input
        """
        curses.curs_set(1)
        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.do_command("/") # we add the slash

    def reset_help_message(self, _=None):
        if self.core.current_tab() is self:
            curses.curs_set(0)
        self.input = self.default_help_message
        self.input.refresh()
        self.core.doupdate()
        return True

    def on_scroll_up(self):
        return self.text_win.scroll_up(self.text_win.height-1)

    def on_scroll_down(self):
        return self.text_win.scroll_down(self.text_win.height-1)

    def command_clear(self, args):
        """
        /clear
        """
        self.core.xml_buffer.messages = []
        self.text_win.rebuild_everything(self.core.xml_buffer)
        self.refresh()
        self.core.doupdate()

    def execute_slash_command(self, txt):
        if txt.startswith('/'):
            self.input.key_enter()
            self.execute_command(txt)
        return self.reset_help_message()

    def completion(self):
        if isinstance(self.input, windows.Input):
            self.complete_commands(self.input)

    def on_input(self, key, raw):
        res = self.input.do_command(key, raw=raw)
        if res:
            return True
        if not raw and key in self.key_func:
            return self.key_func[key]()

    def close(self, arg=None):
        self.core.close_tab()

    def resize(self):
        if self.core.information_win_size >= self.height-3 or not self.visible:
            return
        self.need_resize = False
        min = 1 if self.left_tab_win else 2
        self.text_win.resize(self.height-self.core.information_win_size - Tab.tab_win_height() - 2, self.width, 0, 0)
        self.text_win.rebuild_everything(self.core.xml_buffer)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.text_win.refresh()
        self.info_header.refresh(self.filter_type, self.filter, self.text_win)
        self.refresh_tab_win()
        self.info_win.refresh()
        self.input.refresh()

    def on_lose_focus(self):
        self.state = 'normal'

    def on_gain_focus(self):
        self.state = 'current'
        curses.curs_set(0)

    def on_close(self):
        self.command_clear('')
        self.core.xml_tab = False

    def on_info_win_size_changed(self):
        if self.core.information_win_size >= self.height-3:
            return
        self.text_win.resize(self.height-2-self.core.information_win_size - Tab.tab_win_height(), self.width, 0, 0)
        self.info_header.resize(1, self.width, self.height-2-self.core.information_win_size - Tab.tab_win_height(), 0)

class SimpleTextTab(Tab):
    """
    A very simple tab, with just a text displaying some
    information or whatever.
    For example used to display tracebacks
    """
    def __init__(self, text):
        Tab.__init__(self)
        self.state = 'normal'
        self.text_win = windows.SimpleTextWin(text)
        self.default_help_message = windows.HelpText("“Ctrl+q”: close")
        self.input = self.default_help_message
        self.key_func['^T'] = self.close
        self.key_func["/"] = self.on_slash
        self.resize()

    def on_slash(self):
        """
        '/' is pressed, activate the input
        """
        curses.curs_set(1)
        self.input = windows.CommandInput("", self.reset_help_message, self.execute_slash_command)
        self.input.resize(1, self.width, self.height-1, 0)
        self.input.do_command("/") # we add the slash

    def on_input(self, key, raw):
        res = self.input.do_command(key, raw=raw)
        if res:
            return True
        if not raw and key in self.key_func:
            return self.key_func[key]()

    def close(self):
        self.core.close_tab()

    def resize(self):
        if not self.visible:
            return
        self.need_resize = False
        self.text_win.resize(self.height-2, self.width, 0, 0)
        self.input.resize(1, self.width, self.height-1, 0)

    def refresh(self):
        if self.need_resize:
            self.resize()
        log.debug('  TAB   Refresh: %s',self.__class__.__name__)
        self.text_win.refresh()
        self.refresh_tab_win()
        self.input.refresh()

    def on_lose_focus(self):
        self.state = 'normal'

    def on_gain_focus(self):
        self.state = 'current'
        curses.curs_set(0)

def diffmatch(search, string):
    """
    Use difflib and a loop to check if search_pattern can
    be 'almost' found INSIDE a string.
    'almost' being defined by difflib
    """
    if len(search) > len(string):
        return False
    l = len(search)
    ratio = 0.7
    for i in range(len(string) - l + 1):
        if difflib.SequenceMatcher(None, search, string[i:i+l]).ratio() >= ratio:
            return True
    return False

def jid_and_name_match(contact, txt):
    """
    Match jid with text precisely
    """
    if not txt:
        return True
    txt = txt.lower()
    if txt in safeJID(contact.bare_jid).bare.lower():
        return True
    if txt in contact.name.lower():
        return True
    return False

def jid_and_name_match_slow(contact, txt):
    """
    A function used to know if a contact in the roster should
    be shown in the roster
    """
    if not txt:
        return True             # Everything matches when search is empty
    user = safeJID(contact.bare_jid).bare
    if diffmatch(txt, user):
        return True
    if contact.name and diffmatch(txt, contact.name):
        return True
    return False