summaryrefslogtreecommitdiffstats
path: root/kwin/events.cpp
blob: 28489cc0ed94d0e43dd2f2f519e644fb25e08bc3 (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
/*****************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 1999, 2000 Matthias Ettrich <ettrich@kde.org>
Copyright (C) 2003 Lubos Lunak <l.lunak@kde.org>

You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/

/*

 This file contains things relevant to handling incoming events.

*/

#include "client.h"
#include "workspace.h"
#include "atoms.h"
#include "tabbox.h"
#include "group.h"
#include "rules.h"

#include <tqwhatsthis.h>
#include <kkeynative.h>
#include <tqapplication.h>

#include <X11/extensions/shape.h>
#include <X11/Xatom.h>
#include <stdlib.h>

extern Atom qt_window_role;

namespace KWinInternal
{

// ****************************************
// WinInfo
// ****************************************

WinInfo::WinInfo( Client * c, Display * display, Window window,
    Window rwin, const unsigned long pr[], int pr_size )
    : NETWinInfo( display, window, rwin, pr, pr_size, NET::WindowManager ), m_client( c )
    {
    }

void WinInfo::changeDesktop(int desktop)
    {
    m_client->workspace()->sendClientToDesktop( m_client, desktop, true );
    }

void WinInfo::changeState( unsigned long state, unsigned long mask )
    {
    mask &= ~NET::Sticky; // KWin doesn't support large desktops, ignore
    mask &= ~NET::Hidden; // clients are not allowed to change this directly
    state &= mask; // for safety, clear all other bits

    if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) == 0 )
        m_client->setFullScreen( false, false );
    if ( (mask & NET::Max) == NET::Max )
        m_client->setMaximize( state & NET::MaxVert, state & NET::MaxHoriz );
    else if ( mask & NET::MaxVert )
        m_client->setMaximize( state & NET::MaxVert, m_client->maximizeMode() & Client::MaximizeHorizontal );
    else if ( mask & NET::MaxHoriz )
        m_client->setMaximize( m_client->maximizeMode() & Client::MaximizeVertical, state & NET::MaxHoriz );

    if ( mask & NET::Shaded )
        m_client->setShade( state & NET::Shaded ? ShadeNormal : ShadeNone );
    if ( mask & NET::KeepAbove)
        m_client->setKeepAbove( (state & NET::KeepAbove) != 0 );
    if ( mask & NET::KeepBelow)
        m_client->setKeepBelow( (state & NET::KeepBelow) != 0 );
    if( mask & NET::SkipTaskbar )
        m_client->setSkipTaskbar( ( state & NET::SkipTaskbar ) != 0, true );
    if( mask & NET::SkipPager )
        m_client->setSkipPager( ( state & NET::SkipPager ) != 0 );
    if( mask & NET::DemandsAttention )
        m_client->demandAttention(( state & NET::DemandsAttention ) != 0 );
    if( mask & NET::Modal )
        m_client->setModal( ( state & NET::Modal ) != 0 );
    // unsetting fullscreen first, setting it last (because e.g. maximize works only for !isFullScreen() )
    if(( mask & NET::FullScreen ) != 0 && ( state & NET::FullScreen ) != 0 )
        m_client->setFullScreen( true, false );
    }


// ****************************************
// RootInfo
// ****************************************

RootInfo::RootInfo( Workspace* ws, Display *dpy, Window w, const char *name, unsigned long pr[], int pr_num, int scr )
    : NETRootInfo4( dpy, w, name, pr, pr_num, scr )
    {
    workspace = ws;
    }

void RootInfo::changeNumberOfDesktops(int n)
    {
    workspace->setNumberOfDesktops( n );
    }

void RootInfo::changeCurrentDesktop(int d)
    {
    workspace->setCurrentDesktop( d );
    }

void RootInfo::changeActiveWindow( Window w, NET::RequestSource src, Time timestamp, Window active_window )
    {
    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
        {
        if( timestamp == CurrentTime )
            timestamp = c->userTime();
        if( src != NET::FromApplication && src != FromTool )
            src = NET::FromTool;
        if( src == NET::FromTool )
            workspace->activateClient( c, true ); // force
        else // NET::FromApplication
            {
            Client* c2;
            if( workspace->allowClientActivation( c, timestamp ))
                workspace->activateClient( c );
            // if activation of the requestor's window would be allowed, allow activation too
            else if( active_window != None
                && ( c2 = workspace->findClient( WindowMatchPredicate( active_window ))) != NULL
                && workspace->allowClientActivation( c2,
                    timestampCompare( timestamp, c2->userTime() > 0 ? timestamp : c2->userTime())))
                workspace->activateClient( c );
            else
                c->demandAttention();
            }
        }
    }

void RootInfo::restackWindow( Window w, RequestSource src, Window above, int detail, Time timestamp )
    {
    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
        {
        if( timestamp == CurrentTime )
            timestamp = c->userTime();
        if( src != NET::FromApplication && src != FromTool )
            src = NET::FromTool;
        c->restackWindow( above, detail, src, timestamp, true );
        }
    }

void RootInfo::gotTakeActivity( Window w, Time timestamp, long flags )
    {
    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
        workspace->handleTakeActivity( c, timestamp, flags );
    }

void RootInfo::closeWindow(Window w)
    {
    Client* c = workspace->findClient( WindowMatchPredicate( w ));
    if ( c )
        c->closeWindow();
    }

void RootInfo::moveResize(Window w, int x_root, int y_root, unsigned long direction)
    {
    Client* c = workspace->findClient( WindowMatchPredicate( w ));
    if ( c )
        {
        updateXTime(); // otherwise grabbing may have old timestamp - this message should include timestamp
        c->NETMoveResize( x_root, y_root, (Direction)direction);
        }
    }

void RootInfo::moveResizeWindow(Window w, int flags, int x, int y, int width, int height )
    {
    Client* c = workspace->findClient( WindowMatchPredicate( w ));
    if ( c )
        c->NETMoveResizeWindow( flags, x, y, width, height );
    }

void RootInfo::gotPing( Window w, Time timestamp )
    {
    if( Client* c = workspace->findClient( WindowMatchPredicate( w )))
        c->gotPing( timestamp );
    }

void RootInfo::changeShowingDesktop( bool showing )
    {
    workspace->setShowingDesktop( showing );
    }

// ****************************************
// Workspace
// ****************************************

/*!
  Handles workspace specific XEvents
 */
bool Workspace::workspaceEvent( XEvent * e )
    {
    if ( mouse_emulation && (e->type == ButtonPress || e->type == ButtonRelease ) ) 
        {
        mouse_emulation = FALSE;
        XUngrabKeyboard( qt_xdisplay(), GET_QT_X_TIME() );
        }

    if( e->type == PropertyNotify || e->type == ClientMessage )
        {
        unsigned long dirty[ NETRootInfo::PROPERTIES_SIZE ];
        rootInfo->event( e, dirty, NETRootInfo::PROPERTIES_SIZE );
        if( dirty[ NETRootInfo::PROTOCOLS ] & NET::DesktopNames )
            saveDesktopSettings();
        if( dirty[ NETRootInfo::PROTOCOLS2 ] & NET::WM2DesktopLayout )
            updateDesktopLayout();
        }

    // events that should be handled before Clients can get them
    switch (e->type) 
        {
        case ButtonPress:
        case ButtonRelease:
            was_user_interaction = true;
        // fallthrough
        case MotionNotify:
            if ( tab_grab || control_grab )
                {
                tab_box->handleMouseEvent( e );
                return TRUE;
                }
            break;
        case KeyPress:
            {
            was_user_interaction = true;
            KKeyNative keyX( (XEvent*)e );
            uint keyQt = keyX.keyCodeQt();
            kdDebug(125) << "Workspace::keyPress( " << keyX.key().toString() << " )" << endl;
            if (movingClient)
                {
                movingClient->keyPressEvent(keyQt);
                return true;
                }
            if( tab_grab || control_grab )
                {
                tabBoxKeyPress( keyX );
                return true;
                }
            break;
            }
        case KeyRelease:
            was_user_interaction = true;
            if( tab_grab || control_grab )
                {
                tabBoxKeyRelease( e->xkey );
                return true;
                }
            break;
        };

    if( Client* c = findClient( WindowMatchPredicate( e->xany.window )))
        {
        if( c->windowEvent( e ))
            return true;
        }
    else if( Client* c = findClient( WrapperIdMatchPredicate( e->xany.window )))
        {
        if( c->windowEvent( e ))
            return true;
        }
    else if( Client* c = findClient( FrameIdMatchPredicate( e->xany.window )))
        {
        if( c->windowEvent( e ))
            return true;
        }
    else
        {
        Window special = findSpecialEventWindow( e );
        if( special != None )
            if( Client* c = findClient( WindowMatchPredicate( special )))
                {
                if( c->windowEvent( e ))
                    return true;
                }
        }
    if( movingClient != NULL && movingClient->moveResizeGrabWindow() == e->xany.window
        && ( e->type == MotionNotify || e->type == ButtonPress || e->type == ButtonRelease ))
        {
        if( movingClient->windowEvent( e ))
            return true;
        }

    switch (e->type) 
        {
        case CreateNotify:
            if ( e->xcreatewindow.parent == root &&
                 !TQWidget::find( e->xcreatewindow.window) &&
                 !e->xcreatewindow.override_redirect )
            {
        // see comments for allowClientActivation()
            Time my_qtx_time = GET_QT_X_TIME();
            XChangeProperty(qt_xdisplay(), e->xcreatewindow.window,
                            atoms->kde_net_wm_user_creation_time, XA_CARDINAL,
                            32, PropModeReplace, (unsigned char *)&my_qtx_time, 1);
            SET_QT_X_TIME(my_qtx_time);
            }
        break;

    case UnmapNotify:
            {
        // check for system tray windows
            if ( removeSystemTrayWin( e->xunmap.window, true ) ) 
                {
	    // If the system tray gets destroyed, the system tray
	    // icons automatically get unmapped, reparented and mapped
	    // again to the closest non-client ancestor due to
	    // QXEmbed's SaveSet feature. Unfortunatly with kicker
	    // this closest ancestor is not the root window, but our
	    // decoration, so we reparent explicitely back to the root
	    // window.
                XEvent ev;
                WId w = e->xunmap.window;
                if ( XCheckTypedWindowEvent (qt_xdisplay(), w,
                                             ReparentNotify, &ev) )
                    {
                    if ( ev.xreparent.parent != root ) 
                        {
                        XReparentWindow( qt_xdisplay(), w, root, 0, 0 );
                        addSystemTrayWin( w );
                        }
                    }
                return TRUE;
                }

            return ( e->xunmap.event != e->xunmap.window ); // hide wm typical event from Qt
            }
        case MapNotify:

            return ( e->xmap.event != e->xmap.window ); // hide wm typical event from Qt

        case ReparentNotify:
            {
        //do not confuse Qt with these events. After all, _we_ are the
        //window manager who does the reparenting.
            return TRUE;
            }
        case DestroyNotify:
            {
            if ( removeSystemTrayWin( e->xdestroywindow.window, false ) )
                return TRUE;
            return false;
            }
        case MapRequest:
            {
            updateXTime();

            // e->xmaprequest.window is different from e->xany.window
            // TODO this shouldn't be necessary now
            Client* c = findClient( WindowMatchPredicate( e->xmaprequest.window ));
            if ( !c ) 
                {
// don't check for the parent being the root window, this breaks when some app unmaps
// a window, changes something and immediately maps it back, without giving KWin
// a chance to reparent it back to root
// since KWin can get MapRequest only for root window children and
// children of WindowWrapper (=clients), the check is AFAIK useless anyway
// Note: Now the save-set support in Client::mapRequestEvent() actually requires that
// this code doesn't check the parent to be root.
//            if ( e->xmaprequest.parent == root ) { //###TODO store previously destroyed client ids
                if ( addSystemTrayWin( e->xmaprequest.window ) )
                    return TRUE;
                c = createClient( e->xmaprequest.window, false );
                if ( c != NULL && root != qt_xrootwin() ) 
                    { // TODO what is this?
                    // TODO may use TQWidget::create
                    XReparentWindow( qt_xdisplay(), c->frameId(), root, 0, 0 );
                    }
                if( c == NULL ) // refused to manage, simply map it (most probably override redirect)
                    XMapRaised( qt_xdisplay(), e->xmaprequest.window );
                return true;
                }
            if( c )
                {
                c->windowEvent( e );
                updateFocusChains( c, FocusChainUpdate );
                return true;
                }
            break;
            }
        case EnterNotify:
            {
            if ( TQWhatsThis::inWhatsThisMode() )
                {
                TQWidget* w = TQWidget::find( e->xcrossing.window );
                if ( w )
                    TQWhatsThis::leaveWhatsThisMode();
                }
            if( electricBorder(e))
                return true;
            break;
            }
        case LeaveNotify:
            {
            if ( !TQWhatsThis::inWhatsThisMode() )
                break;
            // TODO is this cliente ever found, given that client events are searched above?
            Client* c = findClient( FrameIdMatchPredicate( e->xcrossing.window ));
            if ( c && e->xcrossing.detail != NotifyInferior )
                TQWhatsThis::leaveWhatsThisMode();
            break;
            }
        case ConfigureRequest:
            {
            if ( e->xconfigurerequest.parent == root ) 
                {
                XWindowChanges wc;
                wc.border_width = e->xconfigurerequest.border_width;
                wc.x = e->xconfigurerequest.x;
                wc.y = e->xconfigurerequest.y;
                wc.width = e->xconfigurerequest.width;
                wc.height = e->xconfigurerequest.height;
                wc.sibling = None;
                wc.stack_mode = Above;
                unsigned int value_mask = e->xconfigurerequest.value_mask
                    & ( CWX | CWY | CWWidth | CWHeight | CWBorderWidth );
                XConfigureWindow( qt_xdisplay(), e->xconfigurerequest.window, value_mask, &wc );
                return true;
                }
            break;
            }
        case KeyPress:
            if ( mouse_emulation )
                return keyPressMouseEmulation( e->xkey );
            break;
        case KeyRelease:
            if ( mouse_emulation )
                return FALSE;
            break;
        case FocusIn:
            if( e->xfocus.window == rootWin() && TQCString( getenv("KDE_MULTIHEAD")).lower() != "true"
                && ( e->xfocus.detail == NotifyDetailNone || e->xfocus.detail == NotifyPointerRoot ))
                {
                updateXTime(); // focusToNull() uses qt_x_time, which is old now (FocusIn has no timestamp)
                Window focus;
                int revert;
                XGetInputFocus( qt_xdisplay(), &focus, &revert );
                if( focus == None || focus == PointerRoot )
                    {
                    //kdWarning( 1212 ) << "X focus set to None/PointerRoot, reseting focus" << endl;
                    Client *c = mostRecentlyActivatedClient();
                    if( c != NULL )
                        requestFocus( c, true );
                    else if( activateNextClient( NULL ))
                        ; // ok, activated
                    else
                        focusToNull();
                    }
                }
            // fall through
        case FocusOut:
            return true; // always eat these, they would tell Qt that KWin is the active app
        case ClientMessage:
            if( electricBorder( e ))
                return true;
            break;
        default:
            break;
        }
    return FALSE;
    }

// Some events don't have the actual window which caused the event
// as e->xany.window (e.g. ConfigureRequest), but as some other
// field in the XEvent structure.
Window Workspace::findSpecialEventWindow( XEvent* e )
    {
    switch( e->type )
        {
        case CreateNotify:
            return e->xcreatewindow.window;
        case DestroyNotify:
            return e->xdestroywindow.window;
        case UnmapNotify:
            return e->xunmap.window;
        case MapNotify:
            return e->xmap.window;
        case MapRequest:
            return e->xmaprequest.window;
        case ReparentNotify:
            return e->xreparent.window;
        case ConfigureNotify:
            return e->xconfigure.window;
        case GravityNotify:
            return e->xgravity.window;
        case ConfigureRequest:
            return e->xconfigurerequest.window;
        case CirculateNotify:
            return e->xcirculate.window;
        case CirculateRequest:
            return e->xcirculaterequest.window;
        default:
            return None;
        };
    }

// ****************************************
// Client
// ****************************************

/*!
  General handler for XEvents concerning the client window
 */
bool Client::windowEvent( XEvent* e )
    {
    if( e->xany.window == window()) // avoid doing stuff on frame or wrapper
        {
        unsigned long dirty[ 2 ];
        info->event( e, dirty, 2 ); // pass through the NET stuff

        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMName ) != 0 )
            fetchName();
        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconName ) != 0 )
            fetchIconicName();
        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMStrut ) != 0
            || ( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2ExtendedStrut ) != 0 )
            {
            if( isTopMenu())  // the fallback mode of KMenuBar may alter the strut
                checkWorkspacePosition();  // restore it
            workspace()->updateClientArea();
            }
        if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 )
            getIcons();
        // Note there's a difference between userTime() and info->userTime()
        // info->userTime() is the value of the property, userTime() also includes
        // updates of the time done by KWin (ButtonPress on windowrapper etc.).
        if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2UserTime ) != 0 )
            {
            workspace()->setWasUserInteraction();
            updateUserTime( info->userTime());
            }
        if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 )
            startupIdChanged();
        if( dirty[ WinInfo::PROTOCOLS ] & NET::WMIconGeometry )
            {
            if( demandAttentionKNotifyTimer != NULL )
                demandAttentionKNotify();
            }
        }

// TODO move all focus handling stuff to separate file?
    switch (e->type) 
        {
        case UnmapNotify:
            unmapNotifyEvent( &e->xunmap );
            break;
        case DestroyNotify:
            destroyNotifyEvent( &e->xdestroywindow );
            break;
        case MapRequest:
            // this one may pass the event to workspace
            return mapRequestEvent( &e->xmaprequest );
        case ConfigureRequest:
            configureRequestEvent( &e->xconfigurerequest );
            break;
        case PropertyNotify:
            propertyNotifyEvent( &e->xproperty );
            break;
        case KeyPress:
            updateUserTime();
            workspace()->setWasUserInteraction();
            break;
        case ButtonPress:
            updateUserTime();
            workspace()->setWasUserInteraction();
            buttonPressEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state,
                e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root );
            break;
        case KeyRelease:
    // don't update user time on releases
    // e.g. if the user presses Alt+F2, the Alt release
    // would appear as user input to the currently active window
            break;
        case ButtonRelease:
    // don't update user time on releases
    // e.g. if the user presses Alt+F2, the Alt release
    // would appear as user input to the currently active window
            buttonReleaseEvent( e->xbutton.window, e->xbutton.button, e->xbutton.state,
                e->xbutton.x, e->xbutton.y, e->xbutton.x_root, e->xbutton.y_root );
            break;
        case MotionNotify:
            motionNotifyEvent( e->xmotion.window, e->xmotion.state,
                e->xmotion.x, e->xmotion.y, e->xmotion.x_root, e->xmotion.y_root );
            workspace()->updateFocusMousePosition( TQPoint( e->xmotion.x_root, e->xmotion.y_root ));
            break;
        case EnterNotify:
            enterNotifyEvent( &e->xcrossing );
            // MotionNotify is guaranteed to be generated only if the mouse
            // move start and ends in the window; for cases when it only
            // starts or only ends there, Enter/LeaveNotify are generated.
            // Fake a MotionEvent in such cases to make handle of mouse
            // events simpler (Qt does that too).
            motionNotifyEvent( e->xcrossing.window, e->xcrossing.state,
                e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root );
            workspace()->updateFocusMousePosition( TQPoint( e->xcrossing.x_root, e->xcrossing.y_root ));
            break;
        case LeaveNotify:
            motionNotifyEvent( e->xcrossing.window, e->xcrossing.state,
                e->xcrossing.x, e->xcrossing.y, e->xcrossing.x_root, e->xcrossing.y_root );
            leaveNotifyEvent( &e->xcrossing );
            // not here, it'd break following enter notify handling
            // workspace()->updateFocusMousePosition( TQPoint( e->xcrossing.x_root, e->xcrossing.y_root ));
            break;
        case FocusIn:
            focusInEvent( &e->xfocus );
            break;
        case FocusOut:
            focusOutEvent( &e->xfocus );
            break;
        case ReparentNotify:
            break;
        case ClientMessage:
            clientMessageEvent( &e->xclient );
            break;
        case ColormapChangeMask:
            if( e->xany.window == window())
            {
            cmap = e->xcolormap.colormap;
            if ( isActive() )
                workspace()->updateColormap();
            }
            break;
        default:
            if( e->xany.window == window())
            {
            if( e->type == Shape::tqshapeEvent() )
                {
                is_tqshape = Shape::hasShape( window()); // workaround for #19644
                updateShape();
                }
            }
            break;
        }
    return true; // eat all events
    }

/*!
  Handles map requests of the client window
 */
bool Client::mapRequestEvent( XMapRequestEvent* e )
    {
    if( e->window != window())
        {
        // Special support for the save-set feature, which is a bit broken.
        // If there's a window from one client embedded in another one,
        // e.g. using XEMBED, and the embedder suddenly looses its X connection,
        // save-set will reparent the embedded window to its closest ancestor
        // that will remains. Unfortunately, with reparenting window managers,
        // this is not the root window, but the frame (or in KWin's case,
        // it's the wrapper for the client window). In this case,
        // the wrapper will get ReparentNotify for a window it won't know,
        // which will be ignored, and then it gets MapRequest, as save-set
        // always maps. Returning true here means that Workspace::workspaceEvent()
        // will handle this MapRequest and manage this window (i.e. act as if
        // it was reparented to root window).
        if( e->parent == wrapperId())
            return false;
        return true; // no messing with frame etc.
        }
    if( isTopMenu() && workspace()->managingTopMenus())
        return true; // kwin controls these
    switch ( mappingState() )
        {
        case WithdrawnState:
            assert( false ); // WMs are not supposed to manage clients in Withdrawn state,
//        manage();      // after initial mapping manage() is called from createClient()
            break;
        case IconicState:
	// also copied in clientMessage()
            if( isMinimized())
                unminimize();
            if( isShade())
                setShade( ShadeNone );
            if( !isOnCurrentDesktop())
                {
                if( workspace()->allowClientActivation( this ))
                    workspace()->activateClient( this );
                else
                    demandAttention();
                }
            break;
        case NormalState:
	    // TODO fake MapNotify?
            break;
        }
    return true;
    }

/*!
  Handles unmap notify events of the client window
 */
void Client::unmapNotifyEvent( XUnmapEvent* e )
    {
    if( e->window != window())
        return;
    if( e->event != wrapperId())
        { // most probably event from root window when initially reparenting
        bool ignore = true;
        if( e->event == workspace()->rootWin() && e->send_event )
            ignore = false; // XWithdrawWindow()
        if( ignore )
            return;
        }
    switch( mappingState())
        {
        case IconicState:
            releaseWindow();
          return;
        case NormalState:
            // maybe we will be destroyed soon. Check this first.
            XEvent ev;
            if( XCheckTypedWindowEvent (qt_xdisplay(), window(),
                DestroyNotify, &ev) ) // TODO I don't like this much
                {
                destroyClient(); // deletes this
                return;
                }
            releaseWindow();
          break;
    default:
        assert( false );
        }
    }

void Client::destroyNotifyEvent( XDestroyWindowEvent* e )
    {
    if( e->window != window())
        return;
    destroyClient();
    }
    
    
bool         blockAnimation = FALSE;

/*!
   Handles client messages for the client window
*/
void Client::clientMessageEvent( XClientMessageEvent* e )
    {
    if( e->window != window())
        return; // ignore frame/wrapper
    // WM_STATE
    if ( e->message_type == atoms->kde_wm_change_state )
        {
        if( isTopMenu() && workspace()->managingTopMenus())
            return; // kwin controls these
        if( e->data.l[ 1 ] )
            blockAnimation = true;
        if( e->data.l[ 0 ] == IconicState )
            minimize();
        else if( e->data.l[ 0 ] == NormalState )
            { // copied from mapRequest()
            if( isMinimized())
                unminimize();
            if( isShade())
                setShade( ShadeNone );
            if( !isOnCurrentDesktop())
                {
                if( workspace()->allowClientActivation( this ))
                    workspace()->activateClient( this );
                else
                    demandAttention();
                }
            }
        blockAnimation = false;
        }
    else if ( e->message_type == atoms->wm_change_state)
        {
        if( isTopMenu() && workspace()->managingTopMenus())
            return; // kwin controls these
        if ( e->data.l[0] == IconicState )
            minimize();
        return;
        }
    }


/*!
  Handles configure  requests of the client window
 */
void Client::configureRequestEvent( XConfigureRequestEvent* e )
    {
    if( e->window != window())
        return; // ignore frame/wrapper
    if ( isResize() || isMove())
        return; // we have better things to do right now

    if( fullscreen_mode == FullScreenNormal ) // refuse resizing of fullscreen windows
        { // but allow resizing fullscreen hacks in order to let them cancel fullscreen mode
        sendSyntheticConfigureNotify();
        return;
        }
    if( isSplash() // no manipulations with splashscreens either
        || isTopMenu()) // topmenus neither
        {
        sendSyntheticConfigureNotify();
        return;
        }

    if ( e->value_mask & CWBorderWidth ) 
        {
        // first, get rid of a window border
        XWindowChanges wc;
        unsigned int value_mask = 0;

        wc.border_width = 0;
        value_mask = CWBorderWidth;
        XConfigureWindow( qt_xdisplay(), window(), value_mask, & wc );
        }

    if( e->value_mask & ( CWX | CWY | CWHeight | CWWidth ))
        configureRequest( e->value_mask, e->x, e->y, e->width, e->height, 0, false );

    if ( e->value_mask & CWStackMode )
        restackWindow( e->above, e->detail, NET::FromApplication, userTime(), false );

    // TODO sending a synthetic configure notify always is fine, even in cases where
    // the ICCCM doesn't require this - it can be though of as 'the WM decided to move
    // the window later'. The client should not cause that many configure request,
    // so this should not have any significant impact. With user moving/resizing
    // the it should be optimized though (see also Client::setGeometry()/plainResize()/move()).
    sendSyntheticConfigureNotify();

    // SELI TODO accept configure requests for isDesktop windows (because kdesktop
    // may get XRANDR resize event before kwin), but check it's still at the bottom?
    }


/*!
  Handles property changes of the client window
 */
void Client::propertyNotifyEvent( XPropertyEvent* e )
    {
    if( e->window != window())
        return; // ignore frame/wrapper
    switch ( e->atom ) 
        {
        case XA_WM_NORMAL_HINTS:
            getWmNormalHints();
            break;
        case XA_WM_NAME:
            fetchName();
            break;
        case XA_WM_ICON_NAME:
            fetchIconicName();
            break;
        case XA_WM_TRANSIENT_FOR:
            readTransient();
            break;
        case XA_WM_HINTS:
            getWMHints();
            getIcons(); // because KWin::icon() uses WMHints as fallback
            break;
        default:
            if ( e->atom == atoms->wm_protocols )
                getWindowProtocols();
            else if (e->atom == atoms->wm_client_leader )
                getWmClientLeader();
            else if( e->atom == qt_window_role )
                window_role = staticWindowRole( window());
            else if( e->atom == atoms->motif_wm_hints )
                getMotifHints();
            break;
        }
    }


void Client::enterNotifyEvent( XCrossingEvent* e )
    {
    if( e->window != frameId())
        return; // care only about entering the whole frame
    if( e->mode == NotifyNormal ||
         ( !options->focusPolicyIsReasonable() &&
             e->mode == NotifyUngrab ) ) 
        {

        if (options->shadeHover && isShade()) 
            {
            delete shadeHoverTimer;
            shadeHoverTimer = new TQTimer( this );
            connect( shadeHoverTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( shadeHover() ));
            shadeHoverTimer->start( options->shadeHoverInterval, TRUE );
            }

        if ( options->focusPolicy == Options::ClickToFocus )
            return;

        if ( options->autoRaise && !isDesktop() &&
             !isDock() && !isTopMenu() && workspace()->focusChangeEnabled() &&
             workspace()->topClientOnDesktop( workspace()->currentDesktop()) != this ) 
            {
            delete autoRaiseTimer;
            autoRaiseTimer = new TQTimer( this );
            connect( autoRaiseTimer, TQT_SIGNAL( timeout() ), this, TQT_SLOT( autoRaise() ) );
            autoRaiseTimer->start( options->autoRaiseInterval, TRUE  );
            }

        TQPoint currentPos( e->x_root, e->y_root );
        if ( options->focusPolicy != Options::FocusStrictlyUnderMouse && ( isDesktop() || isDock() || isTopMenu() ) )
            return;
        // for FocusFollowsMouse, change focus only if the mouse has actually been moved, not if the focus
        // change came because of window changes (e.g. closing a window) - #92290
        if( options->focusPolicy != Options::FocusFollowsMouse
            || currentPos != workspace()->focusMousePosition())
            {
            if ( options->delayFocus )
                workspace()->requestDelayFocus( this );
            else
                workspace()->requestFocus( this );
            }
        return;
        }
    }

void Client::leaveNotifyEvent( XCrossingEvent* e )
    {
    if( e->window != frameId())
        return; // care only about leaving the whole frame
    if ( e->mode == NotifyNormal ) 
        {
        if ( !buttonDown ) 
            {
            mode = PositionCenter;
            setCursor( tqarrowCursor );
            }
        bool lostMouse = !rect().contains( TQPoint( e->x, e->y ) );
        // 'lostMouse' wouldn't work with e.g. B2 or Keramik, which have non-rectangular decorations
        // (i.e. the LeaveNotify event comes before leaving the rect and no LeaveNotify event
        // comes after leaving the rect) - so lets check if the pointer is really outside the window

        // TODO this still sucks if a window appears above this one - it should lose the mouse
        // if this window is another client, but not if it's a popup ... maybe after KDE3.1 :(
        // (repeat after me 'AARGHL!')
        if ( !lostMouse && e->detail != NotifyInferior ) 
            {
            int d1, d2, d3, d4;
            unsigned int d5;
            Window w, child;
            if( XQueryPointer( qt_xdisplay(), frameId(), &w, &child, &d1, &d2, &d3, &d4, &d5 ) == False
                || child == None )
                lostMouse = true; // really lost the mouse
            }
        if ( lostMouse ) 
            {
            cancelAutoRaise();
            workspace()->cancelDelayFocus();
            cancelShadeHover();
            if ( shade_mode == ShadeHover && !moveResizeMode && !buttonDown )
               setShade( ShadeNormal );
            }
        if ( options->focusPolicy == Options::FocusStrictlyUnderMouse )
            if ( isActive() && lostMouse )
                workspace()->requestFocus( 0 ) ;
        return;
        }
    }

#define XCapL KKeyNative::modXLock()
#define XNumL KKeyNative::modXNumLock()
#define XScrL KKeyNative::modXScrollLock()
void Client::grabButton( int modifier )
    {
    unsigned int mods[ 8 ] = 
        {
        0, XCapL, XNumL, XNumL | XCapL,
        XScrL, XScrL | XCapL,
        XScrL | XNumL, XScrL | XNumL | XCapL
        };
    for( int i = 0;
         i < 8;
         ++i )
        XGrabButton( qt_xdisplay(), AnyButton,
            modifier | mods[ i ],
            wrapperId(),  FALSE, ButtonPressMask,
            GrabModeSync, GrabModeAsync, None, None );
    }

void Client::ungrabButton( int modifier )
    {
    unsigned int mods[ 8 ] = 
        {
        0, XCapL, XNumL, XNumL | XCapL,
        XScrL, XScrL | XCapL,
        XScrL | XNumL, XScrL | XNumL | XCapL
        };
    for( int i = 0;
         i < 8;
         ++i )
        XUngrabButton( qt_xdisplay(), AnyButton,
            modifier | mods[ i ], wrapperId());
    }
#undef XCapL
#undef XNumL
#undef XScrL

/*
  Releases the passive grab for some modifier combinations when a
  window becomes active. This helps broken X programs that
  missinterpret LeaveNotify events in grab mode to work properly
  (Motif, AWT, Tk, ...)
 */
void Client::updateMouseGrab()
    {
    if( workspace()->globalShortcutsDisabled())
        {
        XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId());
        // keep grab for the simple click without modifiers if needed (see below)
        bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this;
        if( !( !options->clickRaise || not_obscured ))
            grabButton( None );
        return;
        }
    if( isActive() && !workspace()->forcedGlobalMouseGrab()) // see Workspace::establishTabBoxGrab()
        {
        // first grab all modifier combinations
        XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE,
            ButtonPressMask,
            GrabModeSync, GrabModeAsync,
            None, None );
        // remove the grab for no modifiers only if the window
        // is unobscured or if the user doesn't want click raise
        // (it is unobscured if it the topmost in the unconstrained stacking order, i.e. it is
        // the most recently raised window)
        bool not_obscured = workspace()->topClientOnDesktop( workspace()->currentDesktop(), true, false ) == this;
        if( !options->clickRaise || not_obscured )
            ungrabButton( None );
        else
            grabButton( None );
        ungrabButton( ShiftMask );
        ungrabButton( ControlMask );
        ungrabButton( ControlMask | ShiftMask );
        }
    else
        {
        XUngrabButton( qt_xdisplay(), AnyButton, AnyModifier, wrapperId());
        // simply grab all modifier combinations
        XGrabButton(qt_xdisplay(), AnyButton, AnyModifier, wrapperId(), FALSE,
            ButtonPressMask,
            GrabModeSync, GrabModeAsync,
            None, None );
        }
    }

int qtToX11Button( TQt::ButtonState button )
    {
    if( button == Qt::LeftButton )
        return Button1;
    else if( button == Qt::MidButton )
        return Button2;
    else if( button == Qt::RightButton )
        return Button3;
    return AnyButton;
    }
    
int qtToX11State( TQt::ButtonState state )
    {
    int ret = 0;
    if( state & Qt::LeftButton )
        ret |= Button1Mask;
    if( state & Qt::MidButton )
        ret |= Button2Mask;
    if( state & Qt::RightButton )
        ret |= Button3Mask;
    if( state & TQt::ShiftButton )
        ret |= ShiftMask;
    if( state & TQt::ControlButton )
        ret |= ControlMask;
    if( state & TQt::AltButton )
        ret |= KKeyNative::modX(KKey::ALT);
    if( state & TQt::MetaButton )
        ret |= KKeyNative::modX(KKey::WIN);
    return ret;
    }

// Qt propagates mouse events up the widget hierachy, which means events
// for the decoration window cannot be (easily) intercepted as X11 events
bool Client::eventFilter( TQObject* o, TQEvent* e )
    {
    if (TQT_BASE_OBJECT(o) == TQT_BASE_OBJECT(shadowWidget))
        {
        if (e->type() == TQEvent::MouseButtonRelease)
            {
            int buttonMask, buttonPressed, x, y, x_root, y_root;
            unsigned int mask;
            TQMouseEvent *qe = (TQMouseEvent *)e;
            Window inner_window, parent_window, pointer_window, root_window;
            XButtonEvent xe;

            removeShadow();
            switch (qe->button())
                {
                case Qt::MidButton:
                    buttonMask = Button2Mask;
                    buttonPressed = Button2;
                    break;
                case Qt::RightButton:
                    buttonMask = Button3Mask;
                    buttonPressed = Button3;
                    break;
                default:
                    buttonMask = Button1Mask;
                    buttonPressed = Button1;
                    break;
                }

            // find the window under the cursor that should receive the
            // simulated events
            root_window = qt_xrootwin();
            XQueryPointer(qt_xdisplay(), root_window, &root_window,
                    &pointer_window, &x_root, &y_root, &x, &y, &mask);

            if (pointer_window != None)
                {
                // Save the child window immediately under the window
                // decoration, if any. This is so that we can send an event to
                // the immediate descendant of a window's window decoration,
                // which causes KWin to refocus windows properly
                parent_window = pointer_window;
                XQueryPointer(qt_xdisplay(), parent_window, &root_window,
                        &pointer_window, &x_root, &y_root, &x, &y, &mask);
                inner_window = pointer_window;

                while (pointer_window != None)
                    {
                    // Recursively query for the child window under the pointer,
                    // using the returned child window as the parent window for
                    // the subsequent query. When no child window is left, we've
                    // found the child that will receive the simulated event
                    parent_window = pointer_window;
                    XQueryPointer(qt_xdisplay(), parent_window, &root_window,
                            &pointer_window, &x_root, &y_root, &x, &y, &mask);
                    }
                pointer_window = parent_window;
                }
            else
                inner_window = None;

            // simulate a mouse button press
            xe.type = ButtonPress;
            xe.display = qt_xdisplay();
            xe.root = qt_xrootwin();
            xe.subwindow = None;
            xe.time = CurrentTime;
            xe.x = x;
            xe.y = y;
            xe.x_root = x_root;
            xe.y_root = y_root;
            xe.state = 0;
            xe.button = buttonPressed;
            xe.same_screen = True;
            if (inner_window != None && inner_window != pointer_window)
                {
                xe.window = inner_window;
                XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask,
                        (XEvent *)&xe);
                }
            xe.window = pointer_window;
            XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask,
                    (XEvent *)&xe);

            // simulate a mouse button release
            xe.type = ButtonRelease;
            xe.display = qt_xdisplay();
            xe.root = qt_xrootwin();
            xe.subwindow = None;
            xe.time = CurrentTime;
            xe.x = x;
            xe.y = y;
            xe.x_root = x_root;
            xe.y_root = y_root;
            xe.state = buttonMask;
            xe.button = buttonPressed;
            xe.same_screen = True;
            if (inner_window != None && inner_window != pointer_window)
                {
                xe.window = inner_window;
                XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask,
                        (XEvent *)&xe);
                }
            xe.window = pointer_window;
            XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask,
                    (XEvent *)&xe);

            drawDelayedShadow();

            return true;
            }
        else if (e->type() == TQEvent::Wheel)
            {
            int x, y, x_root, y_root;
            unsigned int buttonMask, buttonPressed, mask;
            TQWheelEvent *wheelEvent = (TQWheelEvent *)e;
            Window inner_window, parent_window, pointer_window,
                root_window;
            XButtonEvent xe;

            removeShadow();

            // state and button parameters passed to XSendEvent depend on the
            // direction in which the mouse wheel was rolled
            buttonMask = wheelEvent->delta() > 0 ? Button4Mask : Button5Mask;
            buttonPressed = wheelEvent->delta() > 0 ? Button4 : Button5;

            // find the window under the cursor that should receive the
            // simulated events
            root_window = qt_xrootwin();
            XQueryPointer(qt_xdisplay(), root_window, &root_window,
                    &pointer_window, &x_root, &y_root, &x, &y, &mask);

            if (pointer_window != None)
                {
                // Save the child window immediately under the window
                // decoration, if any. This is so that we can send an event to
                // the immediate descendant of a window's window decoration,
                // which causes KWin to refocus windows properly
                parent_window = pointer_window;
                XQueryPointer(qt_xdisplay(), parent_window, &root_window,
                        &pointer_window, &x_root, &y_root, &x, &y, &mask);
                inner_window = pointer_window;

                while (pointer_window != None)
                    {
                    // Recursively query for the child window under the pointer,
                    // using the returned child window as the parent window for
                    // the subsequent query. When no child window is left, we've
                    // found the child that will receive the simulated event
                    parent_window = pointer_window;
                    XQueryPointer(qt_xdisplay(), parent_window, &root_window,
                            &pointer_window, &x_root, &y_root, &x, &y, &mask);
                    }
                pointer_window = parent_window;
                }
            else
                inner_window = None;

            // simulate a mouse button press
            xe.type = ButtonPress;
            xe.display = qt_xdisplay();
            xe.root = qt_xrootwin();
            xe.subwindow = None;
            xe.time = CurrentTime;
            xe.x = x;
            xe.y = y;
            xe.x_root = x_root;
            xe.y_root = y_root;
            xe.state = 0;
            xe.same_screen = True;
            if (inner_window != None && inner_window != pointer_window)
                {
                xe.button = buttonPressed;
                xe.window = inner_window;
                XSendEvent(qt_xdisplay(), inner_window, True, ButtonPressMask,
                        (XEvent *)&xe);
                }
            xe.button = buttonPressed;
            xe.window = pointer_window;
            XSendEvent(qt_xdisplay(), pointer_window, True, ButtonPressMask,
                    (XEvent *)&xe);

            // simulate a mouse button release
            xe.type = ButtonRelease;
            xe.display = qt_xdisplay();
            xe.root = qt_xrootwin();
            xe.subwindow = None;
            xe.time = CurrentTime;
            xe.x = x;
            xe.y = y;
            xe.x_root = x_root;
            xe.y_root = y_root;
            xe.same_screen = True;
            if (inner_window != None && inner_window != pointer_window)
                {
                xe.window = inner_window;
                xe.state = buttonMask;
                xe.button = buttonPressed;
                XSendEvent(qt_xdisplay(), inner_window, True, ButtonReleaseMask,
                        (XEvent *)&xe);
                }
            xe.state = buttonMask;
            xe.button = buttonPressed;
            xe.window = pointer_window;
            XSendEvent(qt_xdisplay(), pointer_window, True, ButtonReleaseMask,
                    (XEvent *)&xe);

            drawDelayedShadow();

            return true;
            }
        }
    if( decoration == NULL
        || TQT_BASE_OBJECT(o) != TQT_BASE_OBJECT(decoration->widget()))
        return false;
    if( e->type() == TQEvent::MouseButtonPress )
        {
        TQMouseEvent* ev = TQT_TQMOUSEEVENT( e );
        return buttonPressEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()),
            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
        }
    if( e->type() == TQEvent::MouseButtonRelease )
        {
        TQMouseEvent* ev = TQT_TQMOUSEEVENT( e );
        return buttonReleaseEvent( decorationId(), qtToX11Button( ev->button()), qtToX11State( ev->state()),
            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
        }
    if( e->type() == TQEvent::MouseMove ) // FRAME i fake z enter/leave?
        {
        TQMouseEvent* ev = TQT_TQMOUSEEVENT( e );
        return motionNotifyEvent( decorationId(), qtToX11State( ev->state()),
            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
        }
    if( e->type() == TQEvent::Wheel )
        {
        TQWheelEvent* ev = TQT_TQWHEELEVENT( e );
        bool r = buttonPressEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()),
            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
        r = r || buttonReleaseEvent( decorationId(), ev->delta() > 0 ? Button4 : Button5, qtToX11State( ev->state()),
            ev->x(), ev->y(), ev->globalX(), ev->globalY() );
        return r;
        }
    if( e->type() == TQEvent::Resize )
        {
        TQResizeEvent* ev = TQT_TQRESIZEEVENT( e );
        // Filter out resize events that inform about size different than frame size.
        // This will ensure that decoration->width() etc. and decoration->widget()->width() will be in sync.
        // These events only seem to be delayed events from initial resizing before show() was called
        // on the decoration widget.
        if( ev->size() != size())
            return true;
        }
    return false;
    }

// return value matters only when filtering events before decoration gets them
bool Client::buttonPressEvent( Window w, int button, int state, int x, int y, int x_root, int y_root )
    {
    if (buttonDown)
        {
        if( w == wrapperId())
            XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
        return true;
        }

    if( w == wrapperId() || w == frameId() || w == decorationId())
        { // FRAME neco s tohohle by se melo zpracovat, nez to dostane dekorace
          // FRAME something out of this would be processed before it gets decorations
        updateUserTime();
        workspace()->setWasUserInteraction();
        uint keyModX = (options->keyCmdAllModKey() == Qt::Key_Meta) ?
            KKeyNative::modX(KKey::WIN) :
            KKeyNative::modX(KKey::ALT);
        bool bModKeyHeld = keyModX != 0 && ( state & KKeyNative::accelModMaskX()) == keyModX;

        if( isSplash()
            && button == Button1 && !bModKeyHeld )
            { // hide splashwindow if the user clicks on it
            hideClient( true );
            if( w == wrapperId())
                    XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
            return true;
            }

        Options::MouseCommand com = Options::MouseNothing;
        bool was_action = false;
        bool perform_handled = false;
        if ( bModKeyHeld )
            {
            was_action = true;
            switch (button) 
                {
                case Button1:
                    com = options->commandAll1();
                    break;
                case Button2:
                    com = options->commandAll2();
                    break;
                case Button3:
                    com = options->commandAll3();
                    break;
                case Button4:
                case Button5:
                    com = options->operationWindowMouseWheel( button == Button4 ? 120 : -120 );
                    break;
                }
            }
        else
            { // inactive inner window
            if( !isActive() && w == wrapperId())
                {
                was_action = true;
                perform_handled = true;
                switch (button) 
                    {
                    case Button1:
                        com = options->commandWindow1();
                        break;
                    case Button2:
                        com = options->commandWindow2();
                        break;
                    case Button3:
                        com = options->commandWindow3();
                        break;
                    default:
                        com = Options::MouseActivateAndPassClick;
                    }
                }
            // active inner window
            if( isActive() && w == wrapperId()
                && options->clickRaise && button < 4 ) // exclude wheel
                {
                com = Options::MouseActivateRaiseAndPassClick;
                was_action = true;
                perform_handled = true;
                }
            }
        if( was_action )
            {
            bool replay = performMouseCommand( com, TQPoint( x_root, y_root), perform_handled );

            if ( isSpecialWindow())
                replay = TRUE;

            if( w == wrapperId()) // these can come only from a grab
                XAllowEvents(qt_xdisplay(), replay? ReplayPointer : SyncPointer, CurrentTime ); //qt_x_time);
            return true;
            }
        }

    if( w == wrapperId()) // these can come only from a grab
        {
        XAllowEvents(qt_xdisplay(), ReplayPointer, CurrentTime ); //qt_x_time);
        return true;
        }
    if( w == decorationId())
        return false; // don't eat decoration events
    if( w == frameId())
        processDecorationButtonPress( button, state, x, y, x_root, y_root );
    return true;
    }


// this function processes button press events only after decoration decides not to handle them,
// unlike buttonPressEvent(), which (when the window is decoration) filters events before decoration gets them
void Client::processDecorationButtonPress( int button, int /*state*/, int x, int y, int x_root, int y_root )
    {
    Options::MouseCommand com = Options::MouseNothing;
    bool active = isActive();
    if ( !wantsInput() ) // we cannot be active, use it anyway
        active = TRUE;

    if ( button == Button1 )
        com = active ? options->commandActiveTitlebar1() : options->commandInactiveTitlebar1();
    else if ( button == Button2 )
        com = active ? options->commandActiveTitlebar2() : options->commandInactiveTitlebar2();
    else if ( button == Button3 )
        com = active ? options->commandActiveTitlebar3() : options->commandInactiveTitlebar3();
    if( button == Button1
        && com != Options::MouseOperationsMenu // actions where it's not possible to get the matching
        && com != Options::MouseMinimize )  // mouse release event
        {
        mode = mousePosition( TQPoint( x, y ));
        buttonDown = TRUE;
        moveOffset = TQPoint( x, y );
        invertedMoveOffset = rect().bottomRight() - moveOffset;
        unrestrictedMoveResize = false;
        setCursor( mode ); // update to sizeAllCursor if about to move
        }
    performMouseCommand( com, TQPoint( x_root, y_root ));
    }

// called from decoration
void Client::processMousePressEvent( TQMouseEvent* e )
    {
    if( e->type() != TQEvent::MouseButtonPress )
        {
        kdWarning() << "processMousePressEvent()" << endl;
        return;
        }
    int button;
    switch( e->button())
        {
        case Qt::LeftButton:
            button = Button1;
          break;
        case Qt::MidButton:
            button = Button2;
          break;
        case Qt::RightButton:
            button = Button3;
          break;
        default:
            return;
        }
    processDecorationButtonPress( button, e->state(), e->x(), e->y(), e->globalX(), e->globalY());
    }

// return value matters only when filtering events before decoration gets them
bool Client::buttonReleaseEvent( Window w, int /*button*/, int state, int x, int y, int x_root, int y_root )
    {
    if( w == decorationId() && !buttonDown)
        return false;
    if( w == wrapperId())
        {
        XAllowEvents(qt_xdisplay(), SyncPointer, CurrentTime ); //qt_x_time);
        return true;
        }
    if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow())
        return true;
    x = this->x(); // translate from grab window to local coords
    y = this->y();
    if ( (state & ( Button1Mask & Button2Mask & Button3Mask )) == 0 )
        {
        buttonDown = FALSE;
        if ( moveResizeMode ) 
            {
            finishMoveResize( false );
            // mouse position is still relative to old Client position, adjust it
            TQPoint mousepos( x_root - x, y_root - y );
            mode = mousePosition( mousepos );
            }
        setCursor( mode );
        }
    return true;
    }

static bool was_motion = false;
static Time next_motion_time = CurrentTime;
// Check whole incoming X queue for MotionNotify events
// checking whole queue is done by always returning False in the predicate.
// If there are more MotionNotify events in the queue, all until the last
// one may be safely discarded (if a ButtonRelease event comes, a MotionNotify
// will be faked from it, so there's no need to check other events).
// This helps avoiding being overloaded by being flooded from many events
// from the XServer.
static Bool motion_predicate( Display*, XEvent* ev, XPointer )
{
    if( ev->type == MotionNotify )
        {
	was_motion = true;
        next_motion_time = ev->xmotion.time;  // for setting time
        }
    return False;
}

static bool waitingMotionEvent()
    {
// The queue doesn't need to be checked until the X timestamp
// of processes events reaches the timestamp of the last suitable
// MotionNotify event in the queue.
    if( next_motion_time != CurrentTime
        && timestampCompare( GET_QT_X_TIME(), next_motion_time ) < 0 )
        return true;
    was_motion = false;
    XSync( qt_xdisplay(), False ); // this helps to discard more MotionNotify events
    XEvent dummy;
    XCheckIfEvent( qt_xdisplay(), &dummy, motion_predicate, NULL );
    return was_motion;
    }

// return value matters only when filtering events before decoration gets them
bool Client::motionNotifyEvent( Window w, int /*state*/, int x, int y, int x_root, int y_root )
    {
    if( w != frameId() && w != decorationId() && w != moveResizeGrabWindow())
        return true; // care only about the whole frame
    if ( !buttonDown ) 
        {
        Position newmode = mousePosition( TQPoint( x, y ));
        if( newmode != mode )
            setCursor( newmode );
        mode = newmode;
        // reset the timestamp for the optimization, otherwise with long passivity
        // the option in waitingMotionEvent() may be always true
        next_motion_time = CurrentTime;
        return false;
        }
    if( w == moveResizeGrabWindow())
        {
        x = this->x(); // translate from grab window to local coords
        y = this->y();
        }
    if( !waitingMotionEvent())
        handleMoveResize( x, y, x_root, y_root );
    return true;
    }
    
void Client::focusInEvent( XFocusInEvent* e )
    {
    if( e->window != window())
        return; // only window gets focus
    if ( e->mode == NotifyUngrab )
        return; // we don't care
    if ( e->detail == NotifyPointer )
        return;  // we don't care
    if( !isShown( false ) || !isOnCurrentDesktop()) // we unmapped it, but it got focus meanwhile ->
        return;            // activateNextClient() already transferred focus elsewhere
    // check if this client is in should_get_focus list or if activation is allowed
    bool activate =  workspace()->allowClientActivation( this, -1U, true );
    workspace()->gotFocusIn( this ); // remove from should_get_focus list
    if( activate )
        setActive( TRUE );
    else
        {
        workspace()->restoreFocus();
        demandAttention();
        }
    }

// When a client loses focus, FocusOut events are usually immediatelly
// followed by FocusIn events for another client that gains the focus
// (unless the focus goes to another screen, or to the nofocus widget).
// Without this check, the former focused client would have to be
// deactivated, and after that, the new one would be activated, with
// a short time when there would be no active client. This can cause
// flicker sometimes, e.g. when a fullscreen is shown, and focus is transferred
// from it to its transient, the fullscreen would be kept in the Active layer
// at the beginning and at the end, but not in the middle, when the active
// client would be temporarily none (see Client::belongToLayer() ).
// Therefore, the events queue is checked, whether it contains the matching
// FocusIn event, and if yes, deactivation of the previous client will
// be skipped, as activation of the new one will automatically deactivate
// previously active client.
static bool follows_focusin = false;
static bool follows_focusin_failed = false;
static Bool predicate_follows_focusin( Display*, XEvent* e, XPointer arg )
    {
    if( follows_focusin || follows_focusin_failed )
        return False;
    Client* c = ( Client* ) arg;
    if( e->type == FocusIn && c->workspace()->findClient( WindowMatchPredicate( e->xfocus.window )))
        { // found FocusIn
        follows_focusin = true;
        return False;
        }
    // events that may be in the queue before the FocusIn event that's being
    // searched for
    if( e->type == FocusIn || e->type == FocusOut || e->type == KeymapNotify )
        return False;
    follows_focusin_failed = true; // a different event - stop search
    return False;
    }

static bool check_follows_focusin( Client* c )
    {
    follows_focusin = follows_focusin_failed = false;
    XEvent dummy;
    // XCheckIfEvent() is used to make the search non-blocking, the predicate
    // always returns False, so nothing is removed from the events queue.
    // XPeekIfEvent() would block.
    XCheckIfEvent( qt_xdisplay(), &dummy, predicate_follows_focusin, (XPointer)c );
    return follows_focusin;
    }


void Client::focusOutEvent( XFocusOutEvent* e )
    {
    if( e->window != window())
        return; // only window gets focus
    if ( e->mode == NotifyGrab )
        return; // we don't care
    if ( isShade() )
        return; // here neither
    if ( e->detail != NotifyNonlinear
        && e->detail != NotifyNonlinearVirtual )
        // SELI check all this
        return; // hack for motif apps like netscape
    if ( TQApplication::activePopupWidget() )
        return;
    if( !check_follows_focusin( this ))
        setActive( FALSE );
    }

// performs _NET_WM_MOVERESIZE
void Client::NETMoveResize( int x_root, int y_root, NET::Direction direction )
    {
    if( direction == NET::Move )
        performMouseCommand( Options::MouseMove, TQPoint( x_root, y_root ));
    else if( moveResizeMode && direction == NET::MoveResizeCancel )
    {
        finishMoveResize( true );
        buttonDown = FALSE;
        setCursor( mode );
    }
    else if( direction >= NET::TopLeft && direction <= NET::Left ) 
        {
        static const Position convert[] =
            {
            PositionTopLeft,
            PositionTop,
            PositionTopRight,
            PositionRight,
            PositionBottomRight,
            PositionBottom,
            PositionBottomLeft,
            PositionLeft
            };
        if(!isResizable() || isShade())
            return;
        if( moveResizeMode )
            finishMoveResize( false );
        buttonDown = TRUE;
        moveOffset = TQPoint( x_root - x(), y_root - y()); // map from global
        invertedMoveOffset = rect().bottomRight() - moveOffset;
        unrestrictedMoveResize = false;
        mode = convert[ direction ];
        setCursor( mode );
        if( !startMoveResize())
            {
            buttonDown = false;
            setCursor( mode );
            }
        }
    else if( direction == NET::KeyboardMove )
        { // ignore mouse coordinates given in the message, mouse position is used by the moving algorithm
        TQCursor::setPos( geometry().center() );
        performMouseCommand( Options::MouseUnrestrictedMove, geometry().center());
        }
    else if( direction == NET::KeyboardSize )
        { // ignore mouse coordinates given in the message, mouse position is used by the resizing algorithm
        TQCursor::setPos( geometry().bottomRight());
        performMouseCommand( Options::MouseUnrestrictedResize, geometry().bottomRight());
        }
    }

void Client::keyPressEvent( uint key_code )
    {
    updateUserTime();
    if ( !isMove() && !isResize() )
        return;
    bool is_control = key_code & Qt::CTRL;
    bool is_alt = key_code & Qt::ALT;
    key_code = key_code & 0xffff;
    int delta = is_control?1:is_alt?32:8;
    TQPoint pos = TQCursor::pos();
    switch ( key_code ) 
        {
        case Key_Left:
            pos.rx() -= delta;
            break;
        case Key_Right:
            pos.rx() += delta;
            break;
        case Key_Up:
            pos.ry() -= delta;
            break;
        case Key_Down:
            pos.ry() += delta;
            break;
        case Key_Space:
        case Key_Return:
        case Key_Enter:
            finishMoveResize( false );
            buttonDown = FALSE;
            setCursor( mode );
            break;
        case Key_Escape:
            finishMoveResize( true );
            buttonDown = FALSE;
            setCursor( mode );
            break;
        default:
            return;
        }
    TQCursor::setPos( pos );
    }

// ****************************************
// Group
// ****************************************

bool Group::groupEvent( XEvent* e )
    {
    unsigned long dirty[ 2 ];
    leader_info->event( e, dirty, 2 ); // pass through the NET stuff
    if ( ( dirty[ WinInfo::PROTOCOLS ] & NET::WMIcon) != 0 )
        getIcons();
    if(( dirty[ WinInfo::PROTOCOLS2 ] & NET::WM2StartupId ) != 0 )
        startupIdChanged();
    return false;
    }


} // namespace