aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xwin/winmultiwindowwindow.c
blob: 44fdd8ac3cf8eac053eb276463df94bbf0ea31fb (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
/*
 *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
 *Copyright (C) Colin Harrison 2005-2008
 *
 *Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 *"Software"), to deal in the Software without restriction, including
 *without limitation the rights to use, copy, modify, merge, publish,
 *distribute, sublicense, and/or sell copies of the Software, and to
 *permit persons to whom the Software is furnished to do so, subject to
 *the following conditions:
 *
 *The above copyright notice and this permission notice shall be
 *included in all copies or substantial portions of the Software.
 *
 *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
 *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 *Except as contained in this notice, the name of the XFree86 Project
 *shall not be used in advertising or otherwise to promote the sale, use
 *or other dealings in this Software without prior written authorization
 *from the XFree86 Project.
 *
 * Authors:	Kensuke Matsuzaki
 *		Earle F. Philhower, III
 *		Harold L Hunt II
 *              Colin Harrison
 */

#ifdef HAVE_XWIN_CONFIG_H
#include <xwin-config.h>
#endif
#include "win.h"
#include "dixevents.h"
#include "winmultiwindowclass.h"
#include "winprefs.h"

/*
 * External global variables
 */

extern HICON		g_hIconX;
extern HICON		g_hSmallIconX;
extern HWND		g_hDlgDepthChange;
extern Bool		g_fNativeGl;

/*
 * Prototypes for local functions
 */

void
winCreateWindowsWindow (WindowPtr pWin);

static void
winDestroyWindowsWindow (WindowPtr pWin);

static void
winUpdateWindowsWindow (WindowPtr pWin);

static void
winFindWindow (pointer value, XID id, pointer cdata);

static
void winInitMultiWindowClass(void)
{
  static wATOM atomXWinClass=0;
  WNDCLASSEX wcx;

  if (atomXWinClass==0)
  {
    /* Setup our window class */
    wcx.cbSize=sizeof(WNDCLASSEX);
    wcx.style = CS_HREDRAW | CS_VREDRAW | (g_fNativeGl ? CS_OWNDC : 0);
    wcx.lpfnWndProc = winTopLevelWindowProc;
    wcx.cbClsExtra = 0;
    wcx.cbWndExtra = 0;
    wcx.hInstance = g_hInstance;
    wcx.hIcon = g_hIconX;
    wcx.hCursor = 0;
    wcx.hbrBackground = (HBRUSH) GetStockObject (WHITE_BRUSH);
    wcx.lpszMenuName = NULL;
    wcx.lpszClassName = WINDOW_CLASS_X;
    wcx.hIconSm = g_hSmallIconX;

#if CYGMULTIWINDOW_DEBUG
    winDebug ("winCreateWindowsWindow - Creating class: %s\n", WINDOW_CLASS_X);
#endif

    atomXWinClass = RegisterClassEx (&wcx);
  }
}

/*
 * CreateWindow - See Porting Layer Definition - p. 37
 */

Bool
winCreateWindowMultiWindow (WindowPtr pWin)
{
  Bool			fResult = TRUE;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winWindowPriv(pWin);
  winScreenPriv(pScreen);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winCreateWindowMultiWindow - pWin: %p\n", pWin);
#endif
  
  WIN_UNWRAP(CreateWindow);
  fResult = (*pScreen->CreateWindow) (pWin);
  WIN_WRAP(CreateWindow, winCreateWindowMultiWindow);
  
  /* Initialize some privates values */
  pWinPriv->hRgn = NULL;
  pWinPriv->hWnd = NULL;
  pWinPriv->GlCtxWnd = FALSE;
  pWinPriv->pScreenPriv = winGetScreenPriv(pWin->drawable.pScreen);
  pWinPriv->fXKilled = FALSE;
 
  return fResult;
}


/*
 * DestroyWindow - See Porting Layer Definition - p. 37
 */

Bool
winDestroyWindowMultiWindow (WindowPtr pWin)
{
  Bool			fResult = TRUE;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winWindowPriv(pWin);
  winScreenPriv(pScreen);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winDestroyWindowMultiWindow - pWin: %p\n", pWin);
#endif
  
  WIN_UNWRAP(DestroyWindow); 
  fResult = (*pScreen->DestroyWindow)(pWin);
  WIN_WRAP(DestroyWindow, winDestroyWindowMultiWindow);
  
  /* Flag that the window has been destroyed */
  pWinPriv->fXKilled = TRUE;
  
  /* Kill the MS Windows window associated with this window */
  winDestroyWindowsWindow (pWin); 

  return fResult;
}


/*
 * PositionWindow - See Porting Layer Definition - p. 37
 *
 * This function adjusts the position and size of Windows window
 * with respect to the underlying X window.  This is the inverse
 * of winAdjustXWindow, which adjusts X window to Windows window.
 */

Bool
winPositionWindowMultiWindow (WindowPtr pWin, int x, int y)
{
  Bool			fResult = TRUE;
  int		        iX, iY, iWidth, iHeight;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winWindowPriv(pWin);
  winScreenPriv(pScreen);

  HWND hWnd = pWinPriv->hWnd;
  RECT rcNew;
  RECT rcOld;
#ifdef WINDBG
  RECT rcClient;
  RECT *lpRc;
#endif
  DWORD dwExStyle;
  DWORD dwStyle;

  winDebug ("winPositionWindowMultiWindow - pWin: %p\n", pWin);
  
  WIN_UNWRAP(PositionWindow);
  fResult = (*pScreen->PositionWindow)(pWin, x, y);
  WIN_WRAP(PositionWindow, winPositionWindowMultiWindow);
  
  winDebug ("winPositionWindowMultiWindow: (x, y) = (%d, %d)\n",
	  x, y);

  /* Bail out if the Windows window handle is bad */
  if (!hWnd)
    {
      winDebug ("\timmediately return since hWnd is NULL\n");
      return fResult;
    }

  /* Get the Windows window style and extended style */
  dwExStyle = GetWindowLongPtr (hWnd, GWL_EXSTYLE);
  dwStyle = GetWindowLongPtr (hWnd, GWL_STYLE);

  /* Get the X and Y location of the X window */
  iX = pWin->drawable.x + GetSystemMetrics (SM_XVIRTUALSCREEN);
  iY = pWin->drawable.y + GetSystemMetrics (SM_YVIRTUALSCREEN);

  /* Get the height and width of the X window */
  iWidth = pWin->drawable.width;
  iHeight = pWin->drawable.height;

  /* Store the origin, height, and width in a rectangle structure */
  SetRect (&rcNew, iX, iY, iX + iWidth, iY + iHeight);

#if CYGMULTIWINDOW_DEBUG
  lpRc = &rcNew;
  winDebug ("winPositionWindowMultiWindow - (%d ms)drawable (%d, %d)-(%d, %d)\n",
	  GetTickCount (), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
#endif

  /*
   * Calculate the required size of the Windows window rectangle,
   * given the size of the Windows window client area.
   */
  AdjustWindowRectEx (&rcNew, dwStyle, FALSE, dwExStyle);

  /* Get a rectangle describing the old Windows window */
  GetWindowRect (hWnd, &rcOld);

#if CYGMULTIWINDOW_DEBUG
  /* Get a rectangle describing the Windows window client area */
  GetClientRect (hWnd, &rcClient);

  lpRc = &rcNew;
  winDebug ("winPositionWindowMultiWindow - (%d ms)rcNew (%d, %d)-(%d, %d)\n",
	  GetTickCount (), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
      
  lpRc = &rcOld;
  winDebug ("winPositionWindowMultiWindow - (%d ms)rcOld (%d, %d)-(%d, %d)\n",
	  GetTickCount (), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
      
  lpRc = &rcClient;
  winDebug ("(%d ms)rcClient (%d, %d)-(%d, %d)\n",
	  GetTickCount (), lpRc->left, lpRc->top, lpRc->right, lpRc->bottom);
#endif

  /* Check if the old rectangle and new rectangle are the same */
  if (!EqualRect (&rcNew, &rcOld))
    {
      winDebug ("winPositionWindowMultiWindow - Need to move\n");
      winDebug ("\tMoveWindow to (%ld, %ld) - %ldx%ld\n", rcNew.left, rcNew.top,
	      rcNew.right - rcNew.left, rcNew.bottom - rcNew.top);

        /* Change the position and dimensions of the Windows window */
      if (pWinPriv->GlCtxWnd)
      {
        int iWidth=rcNew.right - rcNew.left;
        int iHeight=rcNew.bottom - rcNew.top;
        ScreenToClient(GetParent(hWnd), (LPPOINT)&rcNew);
        MoveWindow (hWnd,
		      rcNew.left, rcNew.top,
		      iWidth, iHeight,
		      TRUE);
      }
      else
        MoveWindow (hWnd,
		      rcNew.left, rcNew.top,
		      rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
		      TRUE);
    }
  else
    {
      winDebug ("winPositionWindowMultiWindow - Not need to move\n");
    }

  return fResult;
}


/*
 * ChangeWindowAttributes - See Porting Layer Definition - p. 37
 */

Bool
winChangeWindowAttributesMultiWindow (WindowPtr pWin, unsigned long mask)
{
  Bool			fResult = TRUE;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

  winDebug ("winChangeWindowAttributesMultiWindow - pWin: %08x\n", pWin);
  
  WIN_UNWRAP(ChangeWindowAttributes); 
  fResult = (*pScreen->ChangeWindowAttributes)(pWin, mask);
  WIN_WRAP(ChangeWindowAttributes, winChangeWindowAttributesMultiWindow);
  
  /*
   * NOTE: We do not currently need to do anything here.
   */

  return fResult;
}


/*
 * UnmapWindow - See Porting Layer Definition - p. 37
 * Also referred to as UnrealizeWindow
 */

Bool
winUnmapWindowMultiWindow (WindowPtr pWin)
{
  Bool			fResult = TRUE;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winWindowPriv(pWin);
  winScreenPriv(pScreen);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winUnmapWindowMultiWindow - pWin: %08x\n", pWin);
#endif
  
  WIN_UNWRAP(UnrealizeWindow); 
  fResult = (*pScreen->UnrealizeWindow)(pWin);
  WIN_WRAP(UnrealizeWindow, winUnmapWindowMultiWindow);
  
  /* Flag that the window has been killed */
  pWinPriv->fXKilled = TRUE;
 
  /* Destroy the Windows window associated with this X window */
  winDestroyWindowsWindow (pWin);

  return fResult;
}


/*
 * MapWindow - See Porting Layer Definition - p. 37
 * Also referred to as RealizeWindow
 */

Bool
winMapWindowMultiWindow (WindowPtr pWin)
{
  Bool			fResult = TRUE;
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winWindowPriv(pWin);
  winScreenPriv(pScreen);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winMapWindowMultiWindow - pWin: %08x\n", pWin);
#endif
  
  WIN_UNWRAP(RealizeWindow); 
  fResult = (*pScreen->RealizeWindow)(pWin);
  WIN_WRAP(RealizeWindow, winMapWindowMultiWindow);
  
  /* Flag that this window has not been destroyed */
  pWinPriv->fXKilled = FALSE;

  /* Refresh/redisplay the Windows window associated with this X window */
  winUpdateWindowsWindow (pWin);

  /* Update the Windows window's shape */
  winReshapeMultiWindow (pWin);
  winUpdateRgnMultiWindow (pWin);

  return fResult;
}


/*
 * ReparentWindow - See Porting Layer Definition - p. 42
 */

void
winReparentWindowMultiWindow (WindowPtr pWin, WindowPtr pPriorParent)
{
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winReparentMultiWindow - pWin: %08x\n", pWin);
#endif

  WIN_UNWRAP(ReparentWindow);
  if (pScreen->ReparentWindow) 
    (*pScreen->ReparentWindow)(pWin, pPriorParent);
  WIN_WRAP(ReparentWindow, winReparentWindowMultiWindow);
  
  /* Update the Windows window associated with this X window */
  winUpdateWindowsWindow (pWin);
}


/*
 * RestackWindow - Shuffle the z-order of a window
 */

void
winRestackWindowMultiWindow (WindowPtr pWin, WindowPtr pOldNextSib)
{
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

  winDebug ("winRestackMultiWindow - %08x\n", pWin);
  
   WIN_UNWRAP(RestackWindow);
   if (pScreen->RestackWindow) 
     (*pScreen->RestackWindow)(pWin, pOldNextSib);
   WIN_WRAP(RestackWindow, winRestackWindowMultiWindow);
  
  /*
   * Calling winReorderWindowsMultiWindow here means our window manager
   * (i.e. Windows Explorer) has initiative to determine Z order.
   */
  if (pWin->nextSib != pOldNextSib)
    winReorderWindowsMultiWindow ();
}


/*
 * winCreateWindowsWindow - Create a Windows window associated with an X window
 */

void
winCreateWindowsWindow (WindowPtr pWin)
{
  int                   iX, iY;
  int			iWidth;
  int			iHeight;
  HWND			hWnd;
  HWND			hFore = NULL;
  winWindowPriv(pWin);
  HICON			hIcon;
  HICON			hIconSmall;
  winPrivScreenPtr	pScreenPriv = pWinPriv->pScreenPriv;
  WinXSizeHints         hints;
  WindowPtr		pDaddy;
  DWORD dwStyle;
  DWORD dwExStyle;
  RECT rc;

  winInitMultiWindowClass();

  winDebug ("winCreateWindowsWindow - pWin: %08x\n", pWin);

  iX = pWin->drawable.x + GetSystemMetrics (SM_XVIRTUALSCREEN);
  iY = pWin->drawable.y + GetSystemMetrics (SM_YVIRTUALSCREEN);

  iWidth = pWin->drawable.width;
  iHeight = pWin->drawable.height;

  /* ensure window actually ends up somewhere visible */
  if (iX > GetSystemMetrics (SM_CXVIRTUALSCREEN))
    iX = CW_USEDEFAULT;

  if (iY > GetSystemMetrics (SM_CYVIRTUALSCREEN))
    iY = CW_USEDEFAULT;

  if (winMultiWindowGetTransientFor (pWin, &pDaddy))
    {
      if (pDaddy)
      {
        hFore = GetForegroundWindow();
        if (hFore && (pDaddy != (WindowPtr)GetProp(hFore, WIN_WID_PROP))) hFore = NULL;
      }
    }
  else
    {
      /* Default positions if none specified */
      if (!winMultiWindowGetWMNormalHints(pWin, &hints))
        hints.flags = 0;
      if (!(hints.flags & (USPosition|PPosition)) &&
          !pWin->overrideRedirect)
      {
        iX = CW_USEDEFAULT;
        iY = CW_USEDEFAULT;
      }
    }

  /* Create the window */
  /* Make it OVERLAPPED in create call since WS_POPUP doesn't support */
  /* CW_USEDEFAULT, change back to popup after creation */

  dwStyle = WS_OVERLAPPEDWINDOW | WS_CLIPCHILDREN | WS_CLIPSIBLINGS;
  dwExStyle = WS_EX_TOOLWINDOW;
  rc;
  rc.top = 0;
  rc.left = 0;
  rc.bottom = iHeight;
  rc.right = iWidth;
  AdjustWindowRectEx(&rc, dwStyle, FALSE, dwExStyle);
  iHeight = rc.bottom - rc.top;
  iWidth = rc.right - rc.left;

  winDebug("winCreateWindowsWindow - window size %dx%d\n", iWidth, iHeight);

  hWnd = CreateWindowExA (dwExStyle,	/* Extended styles */
			  WINDOW_CLASS_X,	/* Class name */
			  WINDOW_TITLE_X,	/* Window name */
			  dwStyle,		/* Styles */
			  iX,			/* Horizontal position */
			  iY,			/* Vertical position */
			  iWidth,		/* Right edge */ 
			  iHeight,		/* Bottom edge */
			  hFore,		/* Null or Parent window if transient*/
			  (HMENU) NULL,		/* No menu */
			  GetModuleHandle (NULL), /* Instance handle */
			  pWin);		/* ScreenPrivates */
  if (hWnd == NULL)
    {
      ErrorF ("winCreateWindowsWindow - CreateWindowExA () failed: %d\n",
	      (int) GetLastError ());
    }
  pWinPriv->hWnd = hWnd;

  /* Set application or .XWinrc defined Icons */
  winSelectIcons(pWin, &hIcon, &hIconSmall);
  if (hIcon) SendMessage (hWnd, WM_SETICON, ICON_BIG, (LPARAM) hIcon);
  if (hIconSmall) SendMessage (hWnd, WM_SETICON, ICON_SMALL, (LPARAM) hIconSmall);
 
  /* If we asked the native WM to place the window, synchronize the X window position */
  if ((iX == CW_USEDEFAULT) || (iY == CW_USEDEFAULT))
    winAdjustXWindow(pWin, hWnd);

  /* Change style back to popup, already placed... */
  SetWindowLongPtr(hWnd, GWL_STYLE, WS_POPUP | WS_CLIPCHILDREN | WS_CLIPSIBLINGS);
  SetWindowPos (hWnd, 0, 0, 0, 0, 0,
		SWP_FRAMECHANGED | SWP_NOZORDER | SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
  /* Make sure it gets the proper system menu for a WS_POPUP, too */
  GetSystemMenu (hWnd, TRUE);

  /* Cause any .XWinrc menus to be added in main WNDPROC */
  PostMessage (hWnd, WM_INIT_SYS_MENU, 0, 0);
  
  SetProp (hWnd, WIN_WID_PROP, (HANDLE) winGetWindowID(pWin));

  /* Flag that this Windows window handles its own activation */
  SetProp (hWnd, WIN_NEEDMANAGE_PROP, (HANDLE) 0);

  /* Call engine-specific create window procedure */
  (*pScreenPriv->pwinFinishCreateWindowsWindow) (pWin);
}


Bool winInDestroyWindowsWindow = FALSE;
/*
 * winDestroyWindowsWindow - Destroy a Windows window associated
 * with an X window
 */
static void
winDestroyWindowsWindow (WindowPtr pWin)
{
  MSG			msg;
  winWindowPriv(pWin);
  BOOL			oldstate = winInDestroyWindowsWindow;
  HICON hIcon;
  HICON hIconSm;
  
#if CYGMULTIWINDOW_DEBUG
  winDebug ("winDestroyWindowsWindow\n");
#endif

  /* Bail out if the Windows window handle is invalid */
  if (pWinPriv->hWnd == NULL)
    return;

  winInDestroyWindowsWindow = TRUE;

  /* Store the info we need to destroy after this window is gone */
  hIcon = (HICON)SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_BIG, 0);
  hIconSm = (HICON)SendMessage(pWinPriv->hWnd, WM_GETICON, ICON_SMALL, 0);

  SetProp (pWinPriv->hWnd, WIN_WINDOW_PROP, NULL);
  /* Destroy the Windows window */
  DestroyWindow (pWinPriv->hWnd);

  /* Null our handle to the Window so referencing it will cause an error */
  pWinPriv->hWnd = NULL;

  /* Destroy any icons we created for this window */
  winDestroyIcon(hIcon);
  winDestroyIcon(hIconSm);

  /* Process all messages on our queue */
  while (PeekMessage (&msg, NULL, 0, 0, PM_REMOVE))
    {
      if (g_hDlgDepthChange == 0 || !IsDialogMessage (g_hDlgDepthChange, &msg))
	{
	  DispatchMessage (&msg);
	}
    }

  winInDestroyWindowsWindow = oldstate;

#if CYGMULTIWINDOW_DEBUG
  winDebug ("-winDestroyWindowsWindow\n");
#endif
}


/*
 * winUpdateWindowsWindow - Redisplay/redraw a Windows window
 * associated with an X window
 */

static void
winUpdateWindowsWindow (WindowPtr pWin)
{
  winWindowPriv(pWin);
  HWND			hWnd = pWinPriv->hWnd;

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winUpdateWindowsWindow\n");
#endif

  /* Check if the Windows window's parents have been destroyed */
  if (pWin->parent != NULL
      && pWin->parent->parent == NULL
      && pWin->mapped)
    {
      /* Create the Windows window if it has been destroyed */
      if (hWnd == NULL)
	{
	  winCreateWindowsWindow (pWin);
	  assert (pWinPriv->hWnd != NULL);
	}

      /* Display the window without activating it */
      ShowWindow (pWinPriv->hWnd, SW_SHOWNOACTIVATE);

      /* Send first paint message */
      UpdateWindow (pWinPriv->hWnd);
    }
  else if (hWnd != NULL)
    {
      if (pWinPriv->OpenGlWindow)
      {
        HWND hParentWnd;

        {
          winWindowPriv(pWin->parent);
          ErrorF("Window handle = %x\n",pWinPriv->hWnd);
          hParentWnd=pWinPriv->hWnd;
        }
        SetParent(pWinPriv->hWnd,hParentWnd);
        SetWindowPos(pWinPriv->hWnd,NULL,0,0,0,0,SWP_NOSIZE|SWP_NOZORDER|SWP_SHOWWINDOW);
      }
      else
      {
        /* Destroy the Windows window if its parents are destroyed */
        /* First check if we need to release the DC when it is an opengl window */
        winDestroyWindowsWindow (pWin);
        assert (pWinPriv->hWnd == NULL);
      }
    }

#if CYGMULTIWINDOW_DEBUG
  winDebug ("-winUpdateWindowsWindow\n");
#endif
}


/*
 * winGetWindowID - 
 */

XID
winGetWindowID (WindowPtr pWin)
{
  WindowIDPairRec	wi = {pWin, 0};
  ClientPtr		c = wClient(pWin);
  
  /* */
  FindClientResourcesByType (c, RT_WINDOW, winFindWindow, &wi);

#if CYGMULTIWINDOW_DEBUG
  winDebug ("winGetWindowID - Window ID: %d\n", wi.id);
#endif

  return wi.id;
}


/*
 * winFindWindow - 
 */

static void
winFindWindow (pointer value, XID id, pointer cdata)
{
  WindowIDPairPtr	wi = (WindowIDPairPtr)cdata;

  if (value == wi->value)
    {
      wi->id = id;
    }
}


/*
 * winReorderWindowsMultiWindow - 
 */

void
winReorderWindowsMultiWindow (void)
{
  HWND hwnd = NULL;
  WindowPtr pWin = NULL;
  WindowPtr pWinSib = NULL;
  XID vlist[2];
  static Bool fRestacking = FALSE; /* Avoid recusive calls to this function */
  DWORD dwCurrentProcessID = GetCurrentProcessId ();
  DWORD dwWindowProcessID = 0;

  winDebug ("winReorderWindowsMultiWindow\n");

  if (fRestacking)
    {
      /* It is a recusive call so immediately exit */
      winDebug ("winReorderWindowsMultiWindow - "
	      "exit because fRestacking == TRUE\n");
      return;
    }
  fRestacking = TRUE;

  /* Loop through top level Window windows, descending in Z order */
  for ( hwnd = GetTopWindow (NULL);
	hwnd;
	hwnd = GetNextWindow (hwnd, GW_HWNDNEXT) )
    {
      /* Don't take care of other Cygwin/X process's windows */
      GetWindowThreadProcessId (hwnd, &dwWindowProcessID);

      if ( GetProp (hwnd, WIN_WINDOW_PROP)
	   && (dwWindowProcessID == dwCurrentProcessID)
	   && !IsIconic (hwnd) ) /* ignore minimized windows */
	{
	  pWinSib = pWin;
	  pWin = GetProp (hwnd, WIN_WINDOW_PROP);
	      
	  if (!pWinSib)
	    { /* 1st window - raise to the top */
	      vlist[0] = Above;
		  
	      ConfigureWindow (pWin, CWStackMode, vlist, wClient(pWin));
	    }
	  else
	    { /* 2nd or deeper windows - just below the previous one */
	      vlist[0] = winGetWindowID (pWinSib);
	      vlist[1] = Below;

	      ConfigureWindow (pWin, CWSibling | CWStackMode,
			       vlist, wClient(pWin));
	    }
	}
    }

  fRestacking = FALSE;
}


/*
 * winMinimizeWindow - Minimize in response to WM_CHANGE_STATE
 */

void
winMinimizeWindow (Window id)
{
  WindowPtr		pWin;
  winPrivWinPtr	pWinPriv;
#ifdef XWIN_MULTIWINDOWEXTWM
  win32RootlessWindowPtr pRLWinPriv;
#endif
  HWND hWnd;
  ScreenPtr pScreen = NULL;
  winPrivScreenPtr pScreenPriv = NULL;
  winScreenInfo *pScreenInfo = NULL;

  winDebug ("winMinimizeWindow\n");

  dixLookupResourceByType((pointer) &pWin, id, RT_WINDOW, NullClient, DixUnknownAccess);
  if (!pWin) 
  { 
      ErrorF("%s: NULL pWin. Leaving\n", __FUNCTION__); 
      return; 
  }

  pScreen = pWin->drawable.pScreen;
  if (pScreen) pScreenPriv = winGetScreenPriv(pScreen);
  if (pScreenPriv) pScreenInfo = pScreenPriv->pScreenInfo;

#ifdef XWIN_MULTIWINDOWEXTWM
  if (pScreenPriv && pScreenInfo->fInternalWM)
    {
      pRLWinPriv  = (win32RootlessWindowPtr) RootlessFrameForWindow (pWin, FALSE);
      hWnd = pRLWinPriv->hWnd;
    }
  else
#else
  if (pScreenPriv)
#endif
    {
      pWinPriv = winGetWindowPriv (pWin);
      hWnd = pWinPriv->hWnd;
    }

  ShowWindow (hWnd, SW_MINIMIZE);
}


/*
 * CopyWindow - See Porting Layer Definition - p. 39
 */
void
winCopyWindowMultiWindow (WindowPtr pWin, DDXPointRec oldpt,
			  RegionPtr oldRegion)
{
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

  winDebug ("CopyWindowMultiWindow\n");

  WIN_UNWRAP(CopyWindow); 
  (*pScreen->CopyWindow)(pWin, oldpt, oldRegion);
  WIN_WRAP(CopyWindow, winCopyWindowMultiWindow);
}


/*
 * MoveWindow - See Porting Layer Definition - p. 42
 */
void
winMoveWindowMultiWindow (WindowPtr pWin, int x, int y,
			  WindowPtr pSib, VTKind kind)
{
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

  winDebug ("MoveWindowMultiWindow to (%d, %d)\n", x, y);

  WIN_UNWRAP(MoveWindow); 
  (*pScreen->MoveWindow)(pWin, x, y, pSib, kind);
  WIN_WRAP(MoveWindow, winMoveWindowMultiWindow);
}


/*
 * ResizeWindow - See Porting Layer Definition - p. 42
 */
void
winResizeWindowMultiWindow (WindowPtr pWin, int x, int y, unsigned int w,
			    unsigned int h, WindowPtr pSib)
{
  ScreenPtr		pScreen = pWin->drawable.pScreen;
  winScreenPriv(pScreen);

  winDebug ("ResizeWindowMultiWindow to (%d, %d) - %dx%d\n", x, y, w, h);

  WIN_UNWRAP(ResizeWindow); 
  (*pScreen->ResizeWindow)(pWin, x, y, w, h, pSib);
  WIN_WRAP(ResizeWindow, winResizeWindowMultiWindow);
}


/*
 * winAdjustXWindow
 *
 * Move and resize X window with respect to corresponding Windows window.
 * This is called from WM_MOVE/WM_SIZE handlers when the user performs
 * any windowing operation (move, resize, minimize, maximize, restore).
 *
 * The functionality is the inverse of winPositionWindowMultiWindow, which
 * adjusts Windows window with respect to X window.
 */
int
winAdjustXWindow (WindowPtr pWin, HWND hwnd)
{
  RECT rcDraw; /* Rect made from pWin->drawable to be adjusted */
  RECT rcWin;  /* The source: WindowRect from hwnd */
  DrawablePtr pDraw;
  XID vlist[4];
  LONG dX, dY, dW, dH, x, y;
  DWORD dwStyle, dwExStyle;

#define WIDTH(rc) (rc.right - rc.left)
#define HEIGHT(rc) (rc.bottom - rc.top)
  
  winDebug ("winAdjustXWindow\n");

  if (IsIconic (hwnd))
    {
      winDebug ("\timmediately return because the window is iconized\n");
      /*
       * If the Windows window is minimized, its WindowRect has
       * meaningless values so we don't adjust X window to it.
       */
      vlist[0] = 0;
      vlist[1] = 0;
      return ConfigureWindow (pWin, CWX | CWY, vlist, wClient(pWin));
    }
  
  pDraw = &pWin->drawable;

  /* Calculate the window rect from the drawable */
  x = pDraw->x + GetSystemMetrics (SM_XVIRTUALSCREEN);
  y = pDraw->y + GetSystemMetrics (SM_YVIRTUALSCREEN);
  SetRect (&rcDraw, x, y, x + pDraw->width, y + pDraw->height);
          winDebug("\tDrawable extend {%d, %d, %d, %d}, {%d, %d}\n", 
              rcDraw.left, rcDraw.top, rcDraw.right, rcDraw.bottom,
              rcDraw.right - rcDraw.left, rcDraw.bottom - rcDraw.top);
  dwExStyle = GetWindowLongPtr (hwnd, GWL_EXSTYLE);
  dwStyle = GetWindowLongPtr (hwnd, GWL_STYLE);
          winDebug("\tWindowStyle: %08x %08x\n", dwStyle, dwExStyle);
  AdjustWindowRectEx (&rcDraw, dwStyle, FALSE, dwExStyle);

  /* The source of adjust */
  GetWindowRect (hwnd, &rcWin);
          winDebug("\tWindow extend {%d, %d, %d, %d}, {%d, %d}\n", 
              rcWin.left, rcWin.top, rcWin.right, rcWin.bottom,
              rcWin.right - rcWin.left, rcWin.bottom - rcWin.top);
          winDebug("\tDraw extend {%d, %d, %d, %d}, {%d, %d}\n", 
              rcDraw.left, rcDraw.top, rcDraw.right, rcDraw.bottom,
              rcDraw.right - rcDraw.left, rcDraw.bottom - rcDraw.top);

  if (EqualRect (&rcDraw, &rcWin)) {
    /* Bail if no adjust is needed */
    winDebug ("\treturn because already adjusted\n");
    return 0;
  }
  
  /* Calculate delta values */
  dX = rcWin.left - rcDraw.left;
  dY = rcWin.top - rcDraw.top;
  dW = WIDTH(rcWin) - WIDTH(rcDraw);
  dH = HEIGHT(rcWin) - HEIGHT(rcDraw);

  /*
   * Adjust.
   * We may only need to move (vlist[0] and [1]), or only resize
   * ([2] and [3]) but currently we set all the parameters and leave
   * the decision to ConfigureWindow.  The reason is code simplicity.
  */
  vlist[0] = pDraw->x + dX - wBorderWidth(pWin);
  vlist[1] = pDraw->y + dY - wBorderWidth(pWin);
  vlist[2] = pDraw->width + dW;
  vlist[3] = pDraw->height + dH;
  winDebug ("\tConfigureWindow to (%ld, %ld) - %ldx%ld\n", vlist[0], vlist[1],
	  vlist[2], vlist[3]);
  return ConfigureWindow (pWin, CWX | CWY | CWWidth | CWHeight,
			  vlist, wClient(pWin));
  
#undef WIDTH
#undef HEIGHT
}