Checked in the following released items:

xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz

1 files changed, 1440 insertions, 0 deletions

diff --git a/xorg-server/hw/xwin/winmultiwindowwm.c b/xorg-server/hw/xwin/winmultiwindowwm.c
new file mode 100644
index 000000000..5401ecdee
--- /dev/null
+++ b/xorg-server/hw/xwin/winmultiwindowwm.c
@@ -0,0 +1,1440 @@
+/*
+ *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
+ *
+ *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
+ */
+
+/* X headers */
+#ifdef HAVE_XWIN_CONFIG_H
+#include <xwin-config.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#ifdef __CYGWIN__
+#include <sys/select.h>
+#endif
+#include <fcntl.h>
+#include <setjmp.h>
+#define HANDLE void *
+#include <pthread.h>
+#undef HANDLE
+#include <X11/X.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/Xlocale.h>
+#include <X11/Xproto.h>
+#include <X11/Xutil.h>
+#include <X11/cursorfont.h>
+
+/* Windows headers */
+#ifdef __CYGWIN__
+/* Fixups to prevent collisions between Windows and X headers */
+#define ATOM DWORD
+
+#include <windows.h>
+#else
+#include <Xwindows.h>
+#endif
+
+/* Local headers */
+#include "objbase.h"
+#include "ddraw.h"
+#include "winwindow.h"
+#ifdef XWIN_MULTIWINDOWEXTWM
+#include "windowswmstr.h"
+#endif
+
+extern void winDebug(const char *format, ...);
+
+#ifndef CYGDEBUG
+#define CYGDEBUG NO
+#endif
+
+/*
+ * Constant defines
+ */
+
+#define WIN_CONNECT_RETRIES	5
+#define WIN_CONNECT_DELAY	5
+#ifdef HAS_DEVWINDOWS
+# define WIN_MSG_QUEUE_FNAME	"/dev/windows"
+#endif
+#define WIN_JMP_OKAY		0
+#define WIN_JMP_ERROR_IO	2
+
+
+/*
+ * Local structures
+ */
+
+typedef struct _WMMsgNodeRec {
+  winWMMessageRec	msg;
+  struct _WMMsgNodeRec	*pNext;
+} WMMsgNodeRec, *WMMsgNodePtr;
+
+typedef struct _WMMsgQueueRec {
+  struct _WMMsgNodeRec	*pHead;
+  struct _WMMsgNodeRec	*pTail;
+  pthread_mutex_t	pmMutex;
+  pthread_cond_t	pcNotEmpty;
+  int			nQueueSize;
+} WMMsgQueueRec, *WMMsgQueuePtr;
+
+typedef struct _WMInfo {
+  Display		*pDisplay;
+  WMMsgQueueRec		wmMsgQueue;
+  Atom			atmWmProtos;
+  Atom			atmWmDelete;
+  Atom			atmPrivMap;
+  Bool			fAllowOtherWM;
+} WMInfoRec, *WMInfoPtr;
+
+typedef struct _WMProcArgRec {
+  DWORD			dwScreen;
+  WMInfoPtr		pWMInfo;
+  pthread_mutex_t	*ppmServerStarted;
+} WMProcArgRec, *WMProcArgPtr;
+
+typedef struct _XMsgProcArgRec {
+  Display		*pDisplay;
+  DWORD			dwScreen;
+  WMInfoPtr		pWMInfo;
+  pthread_mutex_t	*ppmServerStarted;
+  HWND			hwndScreen;
+} XMsgProcArgRec, *XMsgProcArgPtr;
+
+
+/*
+ * References to external symbols
+ */
+
+extern char *display;
+extern void ErrorF (const char* /*f*/, ...);
+
+
+/*
+ * Prototypes for local functions
+ */
+
+static void
+PushMessage (WMMsgQueuePtr pQueue, WMMsgNodePtr pNode);
+
+static WMMsgNodePtr
+PopMessage (WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo);
+
+static Bool
+InitQueue (WMMsgQueuePtr pQueue);
+
+static void
+GetWindowName (Display * pDpy, Window iWin, char **ppName);
+
+static int
+SendXMessage (Display *pDisplay, Window iWin, Atom atmType, long nData);
+
+static void
+UpdateName (WMInfoPtr pWMInfo, Window iWindow);
+
+static void*
+winMultiWindowWMProc (void* pArg);
+
+static int
+winMultiWindowWMErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static int
+winMultiWindowWMIOErrorHandler (Display *pDisplay);
+
+static void *
+winMultiWindowXMsgProc (void *pArg);
+
+static int
+winMultiWindowXMsgProcErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static int
+winMultiWindowXMsgProcIOErrorHandler (Display *pDisplay);
+
+static int
+winRedirectErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static void
+winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg);
+
+#if 0
+static void
+PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction);
+#endif
+
+static Bool
+CheckAnotherWindowManager (Display *pDisplay, DWORD dwScreen);
+
+
+/*
+ * Local globals
+ */
+
+static jmp_buf			g_jmpWMEntry;
+static jmp_buf			g_jmpXMsgProcEntry;
+static Bool			g_shutdown = FALSE;
+static Bool			redirectError = FALSE;
+static Bool			g_fAnotherWMRunnig = FALSE;
+
+/*
+ * PushMessage - Push a message onto the queue
+ */
+
+static void
+PushMessage (WMMsgQueuePtr pQueue, WMMsgNodePtr pNode)
+{
+
+  /* Lock the queue mutex */
+  pthread_mutex_lock (&pQueue->pmMutex);
+
+  pNode->pNext = NULL;
+  
+  if (pQueue->pTail != NULL)
+    {
+      pQueue->pTail->pNext = pNode;
+    }
+  pQueue->pTail = pNode;
+  
+  if (pQueue->pHead == NULL)
+    {
+      pQueue->pHead = pNode;
+    }
+
+
+#if 0
+  switch (pNode->msg.msg)
+    {
+    case WM_WM_MOVE:
+      ErrorF ("\tWM_WM_MOVE\n");
+      break;
+    case WM_WM_SIZE:
+      ErrorF ("\tWM_WM_SIZE\n");
+      break;
+    case WM_WM_RAISE:
+      ErrorF ("\tWM_WM_RAISE\n");
+      break;
+    case WM_WM_LOWER:
+      ErrorF ("\tWM_WM_LOWER\n");
+      break;
+    case WM_WM_MAP:
+      ErrorF ("\tWM_WM_MAP\n");
+      break;
+    case WM_WM_UNMAP:
+      ErrorF ("\tWM_WM_UNMAP\n");
+      break;
+    case WM_WM_KILL:
+      ErrorF ("\tWM_WM_KILL\n");
+      break;
+    case WM_WM_ACTIVATE:
+      ErrorF ("\tWM_WM_ACTIVATE\n");
+      break;
+    default:
+      ErrorF ("\tUnknown Message.\n");
+      break;
+    }
+#endif
+
+  /* Increase the count of elements in the queue by one */
+  ++(pQueue->nQueueSize);
+
+  /* Release the queue mutex */
+  pthread_mutex_unlock (&pQueue->pmMutex);
+
+  /* Signal that the queue is not empty */
+  pthread_cond_signal (&pQueue->pcNotEmpty);
+}
+
+
+#if CYGMULTIWINDOW_DEBUG
+/*
+ * QueueSize - Return the size of the queue
+ */
+
+static int
+QueueSize (WMMsgQueuePtr pQueue)
+{
+  WMMsgNodePtr		pNode;
+  int			nSize = 0;
+  
+  /* Loop through all elements in the queue */
+  for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext)
+    ++nSize;
+
+  return nSize;
+}
+#endif
+
+
+/*
+ * PopMessage - Pop a message from the queue
+ */
+
+static WMMsgNodePtr
+PopMessage (WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo)
+{
+  WMMsgNodePtr		pNode;
+
+  /* Lock the queue mutex */
+  pthread_mutex_lock (&pQueue->pmMutex);
+
+  /* Wait for --- */
+  while (pQueue->pHead == NULL)
+    {
+      pthread_cond_wait (&pQueue->pcNotEmpty, &pQueue->pmMutex);
+    }
+  
+  pNode = pQueue->pHead;
+  if (pQueue->pHead != NULL)
+    {
+      pQueue->pHead = pQueue->pHead->pNext;
+    }
+
+  if (pQueue->pTail == pNode)
+    {
+      pQueue->pTail = NULL;
+    }
+
+  /* Drop the number of elements in the queue by one */
+  --(pQueue->nQueueSize);
+
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("Queue Size %d %d\n", pQueue->nQueueSize, QueueSize(pQueue));
+#endif
+  
+  /* Release the queue mutex */
+  pthread_mutex_unlock (&pQueue->pmMutex);
+
+  return pNode;
+}
+
+
+#if 0
+/*
+ * HaveMessage - 
+ */
+
+static Bool
+HaveMessage (WMMsgQueuePtr pQueue, UINT msg, Window iWindow)
+{
+  WMMsgNodePtr pNode;
+  
+  for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext)
+    {
+      if (pNode->msg.msg==msg && pNode->msg.iWindow==iWindow)
+	return True;
+    }
+  
+  return False;
+}
+#endif
+
+
+/*
+ * InitQueue - Initialize the Window Manager message queue
+ */
+
+static
+Bool
+InitQueue (WMMsgQueuePtr pQueue)
+{
+  /* Check if the pQueue pointer is NULL */
+  if (pQueue == NULL)
+    {
+      ErrorF ("InitQueue - pQueue is NULL.  Exiting.\n");
+      return FALSE;
+    }
+
+  /* Set the head and tail to NULL */
+  pQueue->pHead = NULL;
+  pQueue->pTail = NULL;
+
+  /* There are no elements initially */
+  pQueue->nQueueSize = 0;
+
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("InitQueue - Queue Size %d %d\n", pQueue->nQueueSize,
+	  QueueSize(pQueue));
+#endif
+
+  ErrorF ("InitQueue - Calling pthread_mutex_init\n");
+
+  /* Create synchronization objects */
+  pthread_mutex_init (&pQueue->pmMutex, NULL);
+
+  ErrorF ("InitQueue - pthread_mutex_init returned\n");
+  ErrorF ("InitQueue - Calling pthread_cond_init\n");
+
+  pthread_cond_init (&pQueue->pcNotEmpty, NULL);
+
+  ErrorF ("InitQueue - pthread_cond_init returned\n");
+
+  return TRUE;
+}
+
+
+/*
+ * GetWindowName - Retrieve the title of an X Window
+ */
+
+static void
+GetWindowName (Display *pDisplay, Window iWin, char **ppName)
+{
+  int			nResult, nNum;
+  char			**ppList;
+  XTextProperty		xtpName;
+  
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("GetWindowName\n");
+#endif
+
+  /* Intialize ppName to NULL */
+  *ppName = NULL;
+
+  /* Try to get --- */
+  nResult = XGetWMName (pDisplay, iWin, &xtpName);
+  if (!nResult || !xtpName.value || !xtpName.nitems)
+    {
+#if CYGMULTIWINDOW_DEBUG
+      ErrorF ("GetWindowName - XGetWMName failed.  No name.\n");
+#endif
+      return;
+    }
+  
+  /* */
+  if (xtpName.encoding == XA_STRING)
+    {
+      /* */
+      if (xtpName.value)
+	{
+	  int size = xtpName.nitems * (xtpName.format >> 3);
+	  *ppName = malloc(size + 1);
+	  strncpy(*ppName, xtpName.value, size);
+	  (*ppName)[size] = 0;
+	  XFree (xtpName.value);
+	}
+
+#if CYGMULTIWINDOW_DEBUG
+      ErrorF ("GetWindowName - XA_STRING %s\n", *ppName);
+#endif
+    }
+  else
+    {
+      if (XmbTextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum) >= Success && nNum > 0 && *ppList)
+	{
+	  *ppName = strdup (*ppList);
+	  XFreeStringList (ppList);
+	}
+      XFree (xtpName.value);
+
+#if CYGMULTIWINDOW_DEBUG
+      ErrorF ("GetWindowName - %s %s\n",
+	      XGetAtomName (pDisplay, xtpName.encoding), *ppName);
+#endif
+    }
+
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("GetWindowName - Returning\n");
+#endif
+}
+
+
+/*
+ * Send a message to the X server from the WM thread
+ */
+
+static int
+SendXMessage (Display *pDisplay, Window iWin, Atom atmType, long nData)
+{
+  XEvent		e;
+
+  /* Prepare the X event structure */
+  e.type = ClientMessage;
+  e.xclient.window = iWin;
+  e.xclient.message_type = atmType;
+  e.xclient.format = 32;
+  e.xclient.data.l[0] = nData;
+  e.xclient.data.l[1] = CurrentTime;
+
+  /* Send the event to X */
+  return XSendEvent (pDisplay, iWin, False, NoEventMask, &e);
+}
+
+
+/*
+ * Updates the name of a HWND according to its X WM_NAME property
+ */
+
+static void
+UpdateName (WMInfoPtr pWMInfo, Window iWindow)
+{
+  char			*pszName;
+  Atom			atmType;
+  int			fmtRet;
+  unsigned long		items, remain;
+  HWND			*retHwnd, hWnd;
+  XWindowAttributes	attr;
+
+  hWnd = 0;
+
+  /* See if we can get the cached HWND for this window... */
+  if (XGetWindowProperty (pWMInfo->pDisplay,
+			  iWindow,
+			  pWMInfo->atmPrivMap,
+			  0,
+			  1,
+			  False,
+			  XA_INTEGER,//pWMInfo->atmPrivMap,
+			  &atmType,
+			  &fmtRet,
+			  &items,
+			  &remain,
+			  (unsigned char **) &retHwnd) == Success)
+    {
+      if (retHwnd)
+	{
+	  hWnd = *retHwnd;
+	  XFree (retHwnd);
+	}
+    }
+  
+  /* Some sanity checks */
+  if (!hWnd) return;
+  if (!IsWindow (hWnd)) return;
+
+  /* Set the Windows window name */
+  GetWindowName (pWMInfo->pDisplay, iWindow, &pszName);
+  if (pszName)
+    {
+      /* Get the window attributes */
+      XGetWindowAttributes (pWMInfo->pDisplay,
+			    iWindow,
+			    &attr);
+      if (!attr.override_redirect)
+	{
+	  SetWindowText (hWnd, pszName);
+	  winUpdateIcon (iWindow);
+	}
+
+      free (pszName);
+    }
+}
+
+
+#if 0
+/*
+ * Fix up any differences between the X11 and Win32 window stacks
+ * starting at the window passed in
+ */
+static void
+PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction)
+{
+  Atom                  atmType;
+  int                   fmtRet;
+  unsigned long         items, remain;
+  HWND                  hWnd, *retHwnd;
+  DWORD                 myWinProcID, winProcID;
+  Window                xWindow;
+  WINDOWPLACEMENT       wndPlace;
+  
+  hWnd = NULL;
+  /* See if we can get the cached HWND for this window... */
+  if (XGetWindowProperty (pWMInfo->pDisplay,
+			  iWindow,
+			  pWMInfo->atmPrivMap,
+			  0,
+			  1,
+			  False,
+			  XA_INTEGER,//pWMInfo->atmPrivMap,
+			  &atmType,
+			  &fmtRet,
+			  &items,
+			  &remain,
+			  (unsigned char **) &retHwnd) == Success)
+    {
+      if (retHwnd)
+	{
+	  hWnd = *retHwnd;
+	  XFree (retHwnd);
+	}
+    }
+  
+  if (!hWnd) return;
+  
+  GetWindowThreadProcessId (hWnd, &myWinProcID);
+  hWnd = GetNextWindow (hWnd, direction);
+  
+  while (hWnd) {
+    GetWindowThreadProcessId (hWnd, &winProcID);
+    if (winProcID == myWinProcID)
+      {
+	wndPlace.length = sizeof(WINDOWPLACEMENT);
+	GetWindowPlacement (hWnd, &wndPlace);
+	if ( !(wndPlace.showCmd==SW_HIDE ||
+	       wndPlace.showCmd==SW_MINIMIZE) )
+	  {
+	    xWindow = (Window)GetProp (hWnd, WIN_WID_PROP);
+	    if (xWindow)
+	      {
+		if (direction==GW_HWNDPREV)
+		  XRaiseWindow (pWMInfo->pDisplay, xWindow);
+		else
+		  XLowerWindow (pWMInfo->pDisplay, xWindow);
+	      }
+	  }
+      }
+    hWnd = GetNextWindow(hWnd, direction);
+  }
+}
+#endif /* PreserveWin32Stack */
+
+
+/*
+ * winMultiWindowWMProc
+ */
+
+static void *
+winMultiWindowWMProc (void *pArg)
+{
+  WMProcArgPtr		pProcArg = (WMProcArgPtr)pArg;
+  WMInfoPtr		pWMInfo = pProcArg->pWMInfo;
+  
+  /* Initialize the Window Manager */
+  winInitMultiWindowWM (pWMInfo, pProcArg);
+  
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("winMultiWindowWMProc ()\n");
+#endif
+
+  /* Loop until we explicity break out */
+  for (;;)
+    {
+      WMMsgNodePtr	pNode;
+
+      if(g_fAnotherWMRunnig)/* Another Window manager exists. */
+	{
+	  Sleep (1000);
+	  continue;
+	}
+
+      /* Pop a message off of our queue */
+      pNode = PopMessage (&pWMInfo->wmMsgQueue, pWMInfo);
+      if (pNode == NULL)
+	{
+	  /* Bail if PopMessage returns without a message */
+	  /* NOTE: Remember that PopMessage is a blocking function. */
+	  ErrorF ("winMultiWindowWMProc - Queue is Empty?  Exiting.\n");
+	  pthread_exit (NULL);
+	}
+
+#if CYGMULTIWINDOW_DEBUG
+      ErrorF ("winMultiWindowWMProc - %d ms MSG: %d ID: %d\n",
+	      GetTickCount (), (int)pNode->msg.msg, (int)pNode->msg.dwID);
+#endif
+
+      /* Branch on the message type */
+      switch (pNode->msg.msg)
+	{
+#if 0
+	case WM_WM_MOVE:
+	  ErrorF ("\tWM_WM_MOVE\n");
+	  break;
+
+	case WM_WM_SIZE:
+	  ErrorF ("\tWM_WM_SIZE\n");
+	  break;
+#endif
+
+	case WM_WM_RAISE:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_RAISE\n");
+#endif
+	  /* Raise the window */
+	  XRaiseWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+#if 0
+	  PreserveWin32Stack (pWMInfo, pNode->msg.iWindow, GW_HWNDPREV);
+#endif
+	  break;
+
+	case WM_WM_LOWER:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_LOWER\n");
+#endif
+
+	  /* Lower the window */
+	  XLowerWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+	  break;
+
+	case WM_WM_MAP:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_MAP\n");
+#endif
+	  /* Put a note as to the HWND associated with this Window */
+	  XChangeProperty (pWMInfo->pDisplay,
+			   pNode->msg.iWindow,
+			   pWMInfo->atmPrivMap,
+			   XA_INTEGER,//pWMInfo->atmPrivMap,
+			   32,
+			   PropModeReplace,
+			   (unsigned char *) &(pNode->msg.hwndWindow),
+			   1);
+	  UpdateName (pWMInfo, pNode->msg.iWindow);
+	  winUpdateIcon (pNode->msg.iWindow);
+#if 0
+	  /* Handles the case where there are AOT windows above it in W32 */
+	  PreserveWin32Stack (pWMInfo, pNode->msg.iWindow, GW_HWNDPREV);
+#endif
+	  break;
+
+	case WM_WM_UNMAP:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_UNMAP\n");
+#endif
+	  
+	  /* Unmap the window */
+	  XUnmapWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+	  break;
+
+	case WM_WM_KILL:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_KILL\n");
+#endif
+	  {
+	    int				i, n, found = 0;
+	    Atom			*protocols;
+	    
+	    /* --- */
+	    if (XGetWMProtocols (pWMInfo->pDisplay,
+				 pNode->msg.iWindow,
+				 &protocols,
+				 &n))
+	      {
+		for (i = 0; i < n; ++i)
+		  if (protocols[i] == pWMInfo->atmWmDelete)
+		    ++found;
+		
+		XFree (protocols);
+	      }
+
+	    /* --- */
+	    if (found)
+	      SendXMessage (pWMInfo->pDisplay,
+			    pNode->msg.iWindow,
+			    pWMInfo->atmWmProtos,
+			    pWMInfo->atmWmDelete);
+	    else
+	      XKillClient (pWMInfo->pDisplay,
+			   pNode->msg.iWindow);
+	  }
+	  break;
+
+	case WM_WM_ACTIVATE:
+#if CYGMULTIWINDOW_DEBUG
+	  ErrorF ("\tWM_WM_ACTIVATE\n");
+#endif
+	  
+	  /* Set the input focus */
+	  XSetInputFocus (pWMInfo->pDisplay,
+			  pNode->msg.iWindow,
+			  RevertToPointerRoot,
+			  CurrentTime);
+	  break;
+
+	case WM_WM_NAME_EVENT:
+	  UpdateName (pWMInfo, pNode->msg.iWindow);
+	  break;
+
+	case WM_WM_HINTS_EVENT:
+	  winUpdateIcon (pNode->msg.iWindow);
+	  break;
+
+	case WM_WM_CHANGE_STATE:
+	  /* Minimize the window in Windows */
+	  winMinimizeWindow (pNode->msg.iWindow);
+	  break;
+
+	default:
+	  ErrorF ("winMultiWindowWMProc - Unknown Message.  Exiting.\n");
+	  pthread_exit (NULL);
+	  break;
+	}
+
+      /* Free the retrieved message */
+      free (pNode);
+
+      /* Flush any pending events on our display */
+      XFlush (pWMInfo->pDisplay);
+    }
+
+  /* Free the condition variable */
+  pthread_cond_destroy (&pWMInfo->wmMsgQueue.pcNotEmpty);
+  
+  /* Free the mutex variable */
+  pthread_mutex_destroy (&pWMInfo->wmMsgQueue.pmMutex);
+  
+  /* Free the passed-in argument */
+  free (pProcArg);
+  
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF("-winMultiWindowWMProc ()\n");
+#endif
+}
+
+
+/*
+ * X message procedure
+ */
+
+static void *
+winMultiWindowXMsgProc (void *pArg)
+{
+  winWMMessageRec       msg;
+  XMsgProcArgPtr	pProcArg = (XMsgProcArgPtr) pArg;
+  char			pszDisplay[512];
+  int                   iRetries;
+  XEvent		event;
+  Atom                  atmWmName;
+  Atom                  atmWmHints;
+  Atom			atmWmChange;
+  int			iReturn;
+  XIconSize		*xis;
+
+  ErrorF ("winMultiWindowXMsgProc - Hello\n");
+
+  /* Check that argument pointer is not invalid */
+  if (pProcArg == NULL)
+    {
+      ErrorF ("winMultiWindowXMsgProc - pProcArg is NULL.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winMultiWindowXMsgProc - Calling pthread_mutex_lock ()\n");
+
+  /* Grab the server started mutex - pause until we get it */
+  iReturn = pthread_mutex_lock (pProcArg->ppmServerStarted);
+  if (iReturn != 0)
+    {
+      ErrorF ("winMultiWindowXMsgProc - pthread_mutex_lock () failed: %d.  "
+	      "Exiting.\n",
+	      iReturn);
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winMultiWindowXMsgProc - pthread_mutex_lock () returned.\n");
+
+  /* Allow multiple threads to access Xlib */
+  if (XInitThreads () == 0)
+    {
+      ErrorF ("winMultiWindowXMsgProc - XInitThreads () failed.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* See if X supports the current locale */
+  if (XSupportsLocale () == False)
+    {
+      ErrorF ("winMultiWindowXMsgProc - Locale not supported by X.  "
+	      "Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Release the server started mutex */
+  pthread_mutex_unlock (pProcArg->ppmServerStarted);
+
+  ErrorF ("winMultiWindowXMsgProc - pthread_mutex_unlock () returned.\n");
+
+  /* Set jump point for IO Error exits */
+  iReturn = setjmp (g_jmpXMsgProcEntry);
+  
+  /* Check if we should continue operations */
+  if (iReturn != WIN_JMP_ERROR_IO
+      && iReturn != WIN_JMP_OKAY)
+    {
+      /* setjmp returned an unknown value, exit */
+      ErrorF ("winInitMultiWindowXMsgProc - setjmp returned: %d.  Exiting.\n",
+	      iReturn);
+      pthread_exit (NULL);
+    }
+  else if (iReturn == WIN_JMP_ERROR_IO)
+    {
+      ErrorF ("winInitMultiWindowXMsgProc - Caught IO Error.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Install our error handler */
+  XSetErrorHandler (winMultiWindowXMsgProcErrorHandler);
+  XSetIOErrorHandler (winMultiWindowXMsgProcIOErrorHandler);
+
+  /* Setup the display connection string x */
+  snprintf (pszDisplay,
+	    512, "127.0.0.1:%s.%d", display, (int)pProcArg->dwScreen);
+
+  /* Print the display connection string */
+  ErrorF ("winMultiWindowXMsgProc - DISPLAY=%s\n", pszDisplay);
+  
+  /* Initialize retry count */
+  iRetries = 0;
+
+  /* Open the X display */
+  do
+    {
+      /* Try to open the display */
+      pProcArg->pDisplay = XOpenDisplay (pszDisplay);
+      if (pProcArg->pDisplay == NULL)
+	{
+	  ErrorF ("winMultiWindowXMsgProc - Could not open display, try: %d, "
+		  "sleeping: %d\n\f",
+		  iRetries + 1, WIN_CONNECT_DELAY);
+	  ++iRetries;
+	  sleep (WIN_CONNECT_DELAY);
+	  continue;
+	}
+      else
+	break;
+    }
+  while (pProcArg->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
+  
+  /* Make sure that the display opened */
+  if (pProcArg->pDisplay == NULL)
+    {
+      ErrorF ("winMultiWindowXMsgProc - Failed opening the display.  "
+	      "Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winMultiWindowXMsgProc - XOpenDisplay () returned and "
+	  "successfully opened the display.\n");
+
+  /* Check if another window manager is already running */
+  if (pProcArg->pWMInfo->fAllowOtherWM)
+  {
+    g_fAnotherWMRunnig = CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen);
+  } else {
+    redirectError = FALSE;
+    XSetErrorHandler (winRedirectErrorHandler); 	 
+    XSelectInput(pProcArg->pDisplay, 	 
+        RootWindow (pProcArg->pDisplay, pProcArg->dwScreen), 	 
+        SubstructureNotifyMask | ButtonPressMask); 	 
+    XSync (pProcArg->pDisplay, 0); 	 
+    XSetErrorHandler (winMultiWindowXMsgProcErrorHandler); 	 
+    if (redirectError) 	 
+    { 	 
+      ErrorF ("winMultiWindowXMsgProc - " 	 
+          "another window manager is running.  Exiting.\n"); 	 
+      pthread_exit (NULL); 	 
+    }
+    g_fAnotherWMRunnig = FALSE;
+  }
+  
+  /* Set up the supported icon sizes */
+  xis = XAllocIconSize ();
+  if (xis)
+    {
+      xis->min_width = xis->min_height = 16;
+      xis->max_width = xis->max_height = 48;
+      xis->width_inc = xis->height_inc = 16;
+      XSetIconSizes (pProcArg->pDisplay,
+		     RootWindow (pProcArg->pDisplay, pProcArg->dwScreen),
+		     xis,
+		     1);
+      XFree (xis);
+    }
+
+  atmWmName   = XInternAtom (pProcArg->pDisplay,
+			     "WM_NAME",
+			     False);
+  atmWmHints   = XInternAtom (pProcArg->pDisplay,
+			      "WM_HINTS",
+			      False);
+  atmWmChange  = XInternAtom (pProcArg->pDisplay,
+			      "WM_CHANGE_STATE",
+			      False);
+
+  /* Loop until we explicitly break out */
+  while (1)
+    {
+      if (g_shutdown)
+        break;
+
+      if (pProcArg->pWMInfo->fAllowOtherWM && !XPending (pProcArg->pDisplay))
+	{
+	  if (CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen))
+	    {
+	      if (!g_fAnotherWMRunnig)
+		{
+		  g_fAnotherWMRunnig = TRUE;
+		  SendMessage(*(HWND*)pProcArg->hwndScreen, WM_UNMANAGE, 0, 0);
+		}
+	    }
+	  else
+	    {
+	      if (g_fAnotherWMRunnig)
+		{
+		  g_fAnotherWMRunnig = FALSE;
+		  SendMessage(*(HWND*)pProcArg->hwndScreen, WM_MANAGE, 0, 0);
+		}
+	    }
+	  Sleep (500);
+	  continue;
+	}
+
+      /* Fetch next event */
+      XNextEvent (pProcArg->pDisplay, &event);
+
+      /* Branch on event type */
+      if (event.type == CreateNotify)
+	{
+	  XWindowAttributes	attr;
+
+	  XSelectInput (pProcArg->pDisplay,
+			event.xcreatewindow.window,
+			PropertyChangeMask);
+
+	  /* Get the window attributes */
+	  XGetWindowAttributes (pProcArg->pDisplay,
+				event.xcreatewindow.window,
+				&attr);
+
+	  if (!attr.override_redirect)
+	    XSetWindowBorderWidth(pProcArg->pDisplay,
+				  event.xcreatewindow.window,
+				  0);
+	}
+      else if (event.type == PropertyNotify
+	       && event.xproperty.atom == atmWmName)
+	{
+	  memset (&msg, 0, sizeof (msg));
+
+	  msg.msg = WM_WM_NAME_EVENT;
+	  msg.iWindow = event.xproperty.window;
+
+	  /* Other fields ignored */
+	  winSendMessageToWM (pProcArg->pWMInfo, &msg);
+	}
+      else if (event.type == PropertyNotify
+	       && event.xproperty.atom == atmWmHints)
+	{
+	  memset (&msg, 0, sizeof (msg));
+
+	  msg.msg = WM_WM_HINTS_EVENT;
+	  msg.iWindow = event.xproperty.window;
+
+	  /* Other fields ignored */
+	  winSendMessageToWM (pProcArg->pWMInfo, &msg);
+	}
+      else if (event.type == ClientMessage
+	       && event.xclient.message_type == atmWmChange
+	       && event.xclient.data.l[0] == IconicState)
+	{
+	  ErrorF ("winMultiWindowXMsgProc - WM_CHANGE_STATE - IconicState\n");
+
+	  memset (&msg, 0, sizeof (msg));
+
+	  msg.msg = WM_WM_CHANGE_STATE;
+	  msg.iWindow = event.xclient.window;
+
+	  winSendMessageToWM (pProcArg->pWMInfo, &msg);
+	}
+    }
+
+  XCloseDisplay (pProcArg->pDisplay);
+  pthread_exit (NULL);
+ 
+}
+
+
+/*
+ * winInitWM - Entry point for the X server to spawn
+ * the Window Manager thread.  Called from
+ * winscrinit.c/winFinishScreenInitFB ().
+ */
+
+Bool
+winInitWM (void **ppWMInfo,
+	   pthread_t *ptWMProc,
+	   pthread_t *ptXMsgProc,
+	   pthread_mutex_t *ppmServerStarted,
+	   int dwScreen,
+	   HWND hwndScreen,
+	   BOOL allowOtherWM)
+{
+  WMProcArgPtr		pArg = (WMProcArgPtr) malloc (sizeof(WMProcArgRec));
+  WMInfoPtr		pWMInfo = (WMInfoPtr) malloc (sizeof(WMInfoRec));
+  XMsgProcArgPtr	pXMsgArg = (XMsgProcArgPtr) malloc (sizeof(XMsgProcArgRec));
+
+  /* Bail if the input parameters are bad */
+  if (pArg == NULL || pWMInfo == NULL)
+    {
+      ErrorF ("winInitWM - malloc failed.\n");
+      return FALSE;
+    }
+  
+  /* Zero the allocated memory */
+  ZeroMemory (pArg, sizeof (WMProcArgRec));
+  ZeroMemory (pWMInfo, sizeof (WMInfoRec));
+  ZeroMemory (pXMsgArg, sizeof (XMsgProcArgRec));
+
+  /* Set a return pointer to the Window Manager info structure */
+  *ppWMInfo = pWMInfo;
+  pWMInfo->fAllowOtherWM = allowOtherWM;
+
+  /* Setup the argument structure for the thread function */
+  pArg->dwScreen = dwScreen;
+  pArg->pWMInfo = pWMInfo;
+  pArg->ppmServerStarted = ppmServerStarted;
+  
+  /* Intialize the message queue */
+  if (!InitQueue (&pWMInfo->wmMsgQueue))
+    {
+      ErrorF ("winInitWM - InitQueue () failed.\n");
+      return FALSE;
+    }
+  
+  /* Spawn a thread for the Window Manager */
+  if (pthread_create (ptWMProc, NULL, winMultiWindowWMProc, pArg))
+    {
+      /* Bail if thread creation failed */
+      ErrorF ("winInitWM - pthread_create failed for Window Manager.\n");
+      return FALSE;
+    }
+
+  /* Spawn the XNextEvent thread, will send messages to WM */
+  pXMsgArg->dwScreen = dwScreen;
+  pXMsgArg->pWMInfo = pWMInfo;
+  pXMsgArg->ppmServerStarted = ppmServerStarted;
+  pXMsgArg->hwndScreen = hwndScreen;
+  if (pthread_create (ptXMsgProc, NULL, winMultiWindowXMsgProc, pXMsgArg))
+    {
+      /* Bail if thread creation failed */
+      ErrorF ("winInitWM - pthread_create failed on XMSG.\n");
+      return FALSE;
+    }
+
+#if CYGDEBUG || YES
+  winDebug ("winInitWM - Returning.\n");
+#endif
+
+  return TRUE;
+}
+
+
+/*
+ * Window manager thread - setup
+ */
+
+static void
+winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg)
+{
+  int                   iRetries = 0;
+  char			pszDisplay[512];
+  int			iReturn;
+
+  ErrorF ("winInitMultiWindowWM - Hello\n");
+
+  /* Check that argument pointer is not invalid */
+  if (pProcArg == NULL)
+    {
+      ErrorF ("winInitMultiWindowWM - pProcArg is NULL.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winInitMultiWindowWM - Calling pthread_mutex_lock ()\n");
+
+  /* Grab our garbage mutex to satisfy pthread_cond_wait */
+  iReturn = pthread_mutex_lock (pProcArg->ppmServerStarted);
+  if (iReturn != 0)
+    {
+      ErrorF ("winInitMultiWindowWM - pthread_mutex_lock () failed: %d.  "
+	      "Exiting.\n",
+	      iReturn);
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winInitMultiWindowWM - pthread_mutex_lock () returned.\n");
+
+  /* Allow multiple threads to access Xlib */
+  if (XInitThreads () == 0)
+    {
+      ErrorF ("winInitMultiWindowWM - XInitThreads () failed.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* See if X supports the current locale */
+  if (XSupportsLocale () == False)
+    {
+      ErrorF ("winInitMultiWindowWM - Locale not supported by X.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Release the server started mutex */
+  pthread_mutex_unlock (pProcArg->ppmServerStarted);
+
+  ErrorF ("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n");
+
+  /* Set jump point for IO Error exits */
+  iReturn = setjmp (g_jmpWMEntry);
+  
+  /* Check if we should continue operations */
+  if (iReturn != WIN_JMP_ERROR_IO
+      && iReturn != WIN_JMP_OKAY)
+    {
+      /* setjmp returned an unknown value, exit */
+      ErrorF ("winInitMultiWindowWM - setjmp returned: %d.  Exiting.\n",
+	      iReturn);
+      pthread_exit (NULL);
+    }
+  else if (iReturn == WIN_JMP_ERROR_IO)
+    {
+      ErrorF ("winInitMultiWindowWM - Caught IO Error.  Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  /* Install our error handler */
+  XSetErrorHandler (winMultiWindowWMErrorHandler);
+  XSetIOErrorHandler (winMultiWindowWMIOErrorHandler);
+
+  /* Setup the display connection string x */
+  snprintf (pszDisplay,
+	    512,
+	    "127.0.0.1:%s.%d",
+	    display,
+	    (int) pProcArg->dwScreen);
+
+  /* Print the display connection string */
+  ErrorF ("winInitMultiWindowWM - DISPLAY=%s\n", pszDisplay);
+  
+  /* Open the X display */
+  do
+    {
+      /* Try to open the display */
+      pWMInfo->pDisplay = XOpenDisplay (pszDisplay);
+      if (pWMInfo->pDisplay == NULL)
+	{
+	  ErrorF ("winInitMultiWindowWM - Could not open display, try: %d, "
+		  "sleeping: %d\n\f",
+		  iRetries + 1, WIN_CONNECT_DELAY);
+	  ++iRetries;
+	  sleep (WIN_CONNECT_DELAY);
+	  continue;
+	}
+      else
+	break;
+    }
+  while (pWMInfo->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
+  
+  /* Make sure that the display opened */
+  if (pWMInfo->pDisplay == NULL)
+    {
+      ErrorF ("winInitMultiWindowWM - Failed opening the display.  "
+	      "Exiting.\n");
+      pthread_exit (NULL);
+    }
+
+  ErrorF ("winInitMultiWindowWM - XOpenDisplay () returned and "
+	  "successfully opened the display.\n");
+  
+
+  /* Create some atoms */
+  pWMInfo->atmWmProtos = XInternAtom (pWMInfo->pDisplay,
+				      "WM_PROTOCOLS",
+				      False);
+  pWMInfo->atmWmDelete = XInternAtom (pWMInfo->pDisplay,
+				      "WM_DELETE_WINDOW",
+				      False);
+#ifdef XWIN_MULTIWINDOWEXTWM
+  pWMInfo->atmPrivMap  = XInternAtom (pWMInfo->pDisplay,
+				      WINDOWSWM_NATIVE_HWND,
+				      False);
+#endif
+
+
+  if (1) {
+    Cursor cursor = XCreateFontCursor (pWMInfo->pDisplay, XC_left_ptr);
+    if (cursor)
+    {
+      XDefineCursor (pWMInfo->pDisplay, DefaultRootWindow(pWMInfo->pDisplay), cursor);
+      XFreeCursor (pWMInfo->pDisplay, cursor);
+    }
+  }
+}
+
+
+/*
+ * winSendMessageToWM - Send a message from the X thread to the WM thread
+ */
+
+void
+winSendMessageToWM (void *pWMInfo, winWMMessagePtr pMsg)
+{
+  WMMsgNodePtr pNode;
+  
+#if CYGMULTIWINDOW_DEBUG
+  ErrorF ("winSendMessageToWM ()\n");
+#endif
+  
+  pNode = (WMMsgNodePtr)malloc(sizeof(WMMsgNodeRec));
+  if (pNode != NULL)
+    {
+      memcpy (&pNode->msg, pMsg, sizeof(winWMMessageRec));
+      PushMessage (&((WMInfoPtr)pWMInfo)->wmMsgQueue, pNode);
+    }
+}
+
+
+/*
+ * Window manager error handler
+ */
+
+static int
+winMultiWindowWMErrorHandler (Display *pDisplay, XErrorEvent *pErr)
+{
+  char pszErrorMsg[100];
+
+  if (pErr->request_code == X_ChangeWindowAttributes
+      && pErr->error_code == BadAccess)
+    {
+      ErrorF ("winMultiWindowWMErrorHandler - ChangeWindowAttributes "
+	      "BadAccess.\n");
+      return 0;
+    }
+  
+  XGetErrorText (pDisplay,
+		 pErr->error_code,
+		 pszErrorMsg,
+		 sizeof (pszErrorMsg));
+  ErrorF ("winMultiWindowWMErrorHandler - ERROR: %s\n", pszErrorMsg);
+
+  return 0;
+}
+
+
+/*
+ * Window manager IO error handler
+ */
+
+static int
+winMultiWindowWMIOErrorHandler (Display *pDisplay)
+{
+  ErrorF ("\nwinMultiWindowWMIOErrorHandler!\n\n");
+
+  if (g_shutdown)
+    pthread_exit(NULL);
+
+  /* Restart at the main entry point */
+  longjmp (g_jmpWMEntry, WIN_JMP_ERROR_IO);
+  
+  return 0;
+}
+
+
+/*
+ * X message procedure error handler
+ */
+
+static int
+winMultiWindowXMsgProcErrorHandler (Display *pDisplay, XErrorEvent *pErr)
+{
+  char pszErrorMsg[100];
+  
+  XGetErrorText (pDisplay,
+		 pErr->error_code,
+		 pszErrorMsg,
+		 sizeof (pszErrorMsg));
+  ErrorF ("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n", pszErrorMsg);
+  
+  return 0;
+}
+
+
+/*
+ * X message procedure IO error handler
+ */
+
+static int
+winMultiWindowXMsgProcIOErrorHandler (Display *pDisplay)
+{
+  ErrorF ("\nwinMultiWindowXMsgProcIOErrorHandler!\n\n");
+
+  /* Restart at the main entry point */
+  longjmp (g_jmpXMsgProcEntry, WIN_JMP_ERROR_IO);
+  
+  return 0;
+}
+
+
+/*
+ * Catch RedirectError to detect other window manager running
+ */
+
+static int
+winRedirectErrorHandler (Display *pDisplay, XErrorEvent *pErr)
+{
+  redirectError = TRUE;
+  return 0;
+}
+
+
+/*
+ * Check if another window manager is running
+ */
+
+static Bool
+CheckAnotherWindowManager (Display *pDisplay, DWORD dwScreen)
+{
+  redirectError = FALSE;
+  XSetErrorHandler (winRedirectErrorHandler);
+  XSelectInput(pDisplay, RootWindow (pDisplay, dwScreen),
+	       // SubstructureNotifyMask | ButtonPressMask
+	       ColormapChangeMask | EnterWindowMask | PropertyChangeMask |
+	       SubstructureRedirectMask | KeyPressMask |
+	       ButtonPressMask | ButtonReleaseMask);
+  XSync (pDisplay, 0);
+  XSetErrorHandler (winMultiWindowXMsgProcErrorHandler);
+  XSelectInput(pDisplay, RootWindow (pDisplay, dwScreen),
+	       SubstructureNotifyMask);
+  XSync (pDisplay, 0);
+  if (redirectError)
+    {
+      //ErrorF ("CheckAnotherWindowManager() - another window manager is running.  Exiting.\n");
+      return TRUE;
+    }
+  else
+    {
+      return FALSE;
+    }
+}
+
+/*
+ * Notify the MWM thread we're exiting and not to reconnect
+ */
+
+void
+winDeinitMultiWindowWM ()
+{
+  ErrorF ("winDeinitMultiWindowWM - Noting shutdown in progress\n");
+  g_shutdown = TRUE;
+}