/* *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. *Copyright (C) Colin Harrison 2005-2009 * *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 * Colin Harrison */ /* X headers */ #ifdef HAVE_XWIN_CONFIG_H #include #endif #include #include #include #ifdef __CYGWIN__ #include #endif #include #include #define HANDLE void * #include #undef HANDLE #include #include #include #include #include #include #include #include /* Local headers */ #include "winwindow.h" #include "winprefs.h" #include "window.h" #include "pixmapstr.h" #include "windowstr.h" #include "winglobals.h" #include "windisplay.h" #ifdef XWIN_MULTIWINDOWEXTWM #include #else /* We need the native HWND atom for intWM, so for consistency use the same name as extWM would if we were building with enabled... */ #define WINDOWSWM_NATIVE_HWND "_WINDOWSWM_NATIVE_HWND" #endif #ifndef HOST_NAME_MAX #define HOST_NAME_MAX 255 #endif extern void winDebug(const char *format, ...); extern void winReshapeMultiWindow(WindowPtr pWin); extern void winUpdateRgnMultiWindow(WindowPtr pWin); #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 atmWmTakeFocus; 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; /* * 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 **ppWindowName); 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, Bool fAllowOtherWM); static void winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle); void winUpdateWindowPosition(HWND hWnd, HWND * zstyle); /* * Local globals */ static jmp_buf g_jmpWMEntry; static XIOErrorHandler g_winMultiWindowWMOldIOErrorHandler; static pthread_t g_winMultiWindowWMThread; static jmp_buf g_jmpXMsgProcEntry; static XIOErrorHandler g_winMultiWindowXMsgProcOldIOErrorHandler; static pthread_t g_winMultiWindowXMsgProcThread; static Bool g_shutdown = FALSE; static Bool redirectError = FALSE; static Bool g_fAnotherWMRunning = 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_MAP2: ErrorF("\tWM_WM_MAP2\n"); break; case WM_WM_MAP3: ErrorF("\tWM_WM_MAP3\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 winDebug("InitQueue - Queue Size %d %d\n", pQueue->nQueueSize, QueueSize(pQueue)); #endif winDebug("InitQueue - Calling pthread_mutex_init\n"); /* Create synchronization objects */ pthread_mutex_init(&pQueue->pmMutex, NULL); winDebug("InitQueue - pthread_mutex_init returned\n"); winDebug("InitQueue - Calling pthread_cond_init\n"); pthread_cond_init(&pQueue->pcNotEmpty, NULL); winDebug("InitQueue - pthread_cond_init returned\n"); return TRUE; } static char * Xutf8TextPropertyToString(Display * pDisplay, XTextProperty * xtp) { int nNum; char **ppList; char *pszReturnData; if (Xutf8TextPropertyToTextList(pDisplay, xtp, &ppList, &nNum) >= Success && nNum > 0 && *ppList) { int i; int iLen = 0; for (i = 0; i < nNum; i++) iLen += strlen(ppList[i]); pszReturnData = malloc(iLen + 1); pszReturnData[0] = '\0'; for (i = 0; i < nNum; i++) strcat(pszReturnData, ppList[i]); if (ppList) XFreeStringList(ppList); } else { pszReturnData = malloc(1); pszReturnData[0] = '\0'; } return pszReturnData; } /* * GetWindowName - Retrieve the title of an X Window */ static void GetWindowName(Display * pDisplay, Window iWin, char **ppWindowName) { int nResult; XTextProperty xtpWindowName; XTextProperty xtpClientMachine; char *pszWindowName; char *pszClientMachine; char hostname[HOST_NAME_MAX + 1]; #if CYGMULTIWINDOW_DEBUG ErrorF("GetWindowName\n"); #endif /* Intialize ppWindowName to NULL */ *ppWindowName = NULL; /* Try to get window name */ nResult = XGetWMName(pDisplay, iWin, &xtpWindowName); if (!nResult || !xtpWindowName.value || !xtpWindowName.nitems) { #if CYGMULTIWINDOW_DEBUG ErrorF("GetWindowName - XGetWMName failed. No name.\n"); #endif return; } pszWindowName = Xutf8TextPropertyToString(pDisplay, &xtpWindowName); XFree(xtpWindowName.value); if (g_fHostInTitle) { /* Try to get client machine name */ nResult = XGetWMClientMachine(pDisplay, iWin, &xtpClientMachine); if (nResult && xtpClientMachine.value && xtpClientMachine.nitems) { pszClientMachine = Xutf8TextPropertyToString(pDisplay, &xtpClientMachine); XFree(xtpClientMachine.value); /* If we have a client machine name and it's not the local host name and it's not already in the window title... */ if (strlen(pszClientMachine) && !gethostname(hostname, HOST_NAME_MAX + 1) && strcmp(hostname, pszClientMachine) && (strstr(pszWindowName, pszClientMachine) == 0)) { /* ... add '@' to end of window name */ *ppWindowName = malloc(strlen(pszWindowName) + strlen(pszClientMachine) + 2); strcpy(*ppWindowName, pszWindowName); strcat(*ppWindowName, "@"); strcat(*ppWindowName, pszClientMachine); free(pszWindowName); free(pszClientMachine); return; } } } /* otherwise just return the window name */ *ppWindowName = pszWindowName; } /* * Does the client support the specified WM_PROTOCOLS protocol? */ static Bool IsWmProtocolAvailable(Display * pDisplay, Window iWindow, Atom atmProtocol) { int i, n, found = 0; Atom *protocols; if (XGetWMProtocols(pDisplay, iWindow, &protocols, &n)) { for (i = 0; i < n; ++i) if (protocols[i] == atmProtocol) ++found; XFree(protocols); } return found > 0; } /* * 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); } /* * See if we can get the stored HWND for this window... */ static HWND getHwnd(WMInfoPtr pWMInfo, Window iWindow) { Atom atmType; int fmtRet; unsigned long items, remain; HWND *retHwnd, hWnd = NULL; if (XGetWindowProperty(pWMInfo->pDisplay, iWindow, pWMInfo->atmPrivMap, 0, sizeof(HWND)/4, False, XA_INTEGER, &atmType, &fmtRet, &items, &remain, (unsigned char **) &retHwnd) == Success) { if (retHwnd) { hWnd = *retHwnd; XFree(retHwnd); } } /* Some sanity checks */ if (!hWnd) return NULL; if (!IsWindow(hWnd)) return NULL; return hWnd; } /* * Updates the name of a HWND according to its X WM_NAME property */ static void UpdateName(WMInfoPtr pWMInfo, Window iWindow) { HWND hWnd; XWindowAttributes attr; hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; /* If window isn't override-redirect */ XGetWindowAttributes(pWMInfo->pDisplay, iWindow, &attr); if (!attr.override_redirect) { char *pszWindowName; /* Get the X windows window name */ GetWindowName(pWMInfo->pDisplay, iWindow, &pszWindowName); if (pszWindowName) { /* Convert from UTF-8 to wide char */ int iLen = MultiByteToWideChar(CP_UTF8, 0, pszWindowName, -1, NULL, 0); wchar_t *pwszWideWindowName = malloc(sizeof(wchar_t)*(iLen + 1)); MultiByteToWideChar(CP_UTF8, 0, pszWindowName, -1, pwszWideWindowName, iLen); /* Set the Windows window name */ SetWindowTextW(hWnd, pwszWideWindowName); free(pwszWideWindowName); free(pszWindowName); } } } /* * Updates the icon of a HWND according to its X icon properties */ static void UpdateIcon(WMInfoPtr pWMInfo, Window iWindow) { HWND hWnd; HICON hIconNew = NULL; XWindowAttributes attr; hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; /* If window isn't override-redirect */ XGetWindowAttributes(pWMInfo->pDisplay, iWindow, &attr); if (!attr.override_redirect) { XClassHint class_hint = { 0, 0 }; char *window_name = 0; if (XGetClassHint(pWMInfo->pDisplay, iWindow, &class_hint)) { XFetchName(pWMInfo->pDisplay, iWindow, &window_name); hIconNew = (HICON) winOverrideIcon(class_hint.res_name, class_hint.res_class, window_name); if (class_hint.res_name) XFree(class_hint.res_name); if (class_hint.res_class) XFree(class_hint.res_class); if (window_name) XFree(window_name); } } winUpdateIcon(hWnd, pWMInfo->pDisplay, iWindow, hIconNew); } /* * Updates the style of a HWND according to its X style properties */ static void UpdateStyle(WMInfoPtr pWMInfo, Window iWindow) { HWND hWnd; HWND zstyle = HWND_NOTOPMOST; UINT flags; hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; /* Determine the Window style, which determines borders and clipping region... */ winApplyHints(pWMInfo->pDisplay, iWindow, hWnd, &zstyle); winUpdateWindowPosition(hWnd, &zstyle); /* Apply the updated window style, without changing it's show or activation state */ flags = SWP_FRAMECHANGED | SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE; if (zstyle == HWND_NOTOPMOST) flags |= SWP_NOZORDER | SWP_NOOWNERZORDER; SetWindowPos(hWnd, NULL, 0, 0, 0, 0, flags); /* Use the WS_EX_TOOLWINDOW style to remove window from Alt-Tab window switcher According to MSDN, this is supposed to remove the window from the taskbar as well, if we SW_HIDE before changing the style followed by SW_SHOW afterwards. But that doesn't seem to work reliably, and causes the window to flicker, so use the iTaskbarList interface to tell the taskbar to show or hide this window. */ winShowWindowOnTaskbar(hWnd, (GetWindowLongPtr(hWnd, GWL_EXSTYLE) & WS_EX_APPWINDOW) ? TRUE : FALSE); } #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) { HWND hWnd; DWORD myWinProcID, winProcID; Window xWindow; WINDOWPLACEMENT wndPlace; hWnd = getHwnd(pWMInfo, iWindow); 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 explicitly break out */ for (;;) { WMMsgNodePtr pNode; if (g_fAnotherWMRunning) { /* 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 - MSG: %d ID: %d\n", (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, 32, PropModeReplace, (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); UpdateName(pWMInfo, pNode->msg.iWindow); UpdateIcon(pWMInfo, pNode->msg.iWindow); break; case WM_WM_MAP2: #if CYGMULTIWINDOW_DEBUG ErrorF("\tWM_WM_MAP2\n"); #endif XChangeProperty(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmPrivMap, XA_INTEGER, 32, PropModeReplace, (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); break; case WM_WM_MAP3: #if CYGMULTIWINDOW_DEBUG ErrorF("\tWM_WM_MAP3\n"); #endif /* Put a note as to the HWND associated with this Window */ XChangeProperty(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmPrivMap, XA_INTEGER, 32, PropModeReplace, (unsigned char *) &(pNode->msg.hwndWindow), sizeof(HWND)/4); UpdateName(pWMInfo, pNode->msg.iWindow); UpdateIcon(pWMInfo, pNode->msg.iWindow); UpdateStyle(pWMInfo, pNode->msg.iWindow); /* Reshape */ { WindowPtr pWin = GetProp(pNode->msg.hwndWindow, WIN_WINDOW_PROP); if (pWin) { winReshapeMultiWindow(pWin); winUpdateRgnMultiWindow(pWin); } } 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 { /* --- */ if (IsWmProtocolAvailable(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmWmDelete)) 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 */ /* ICCCM 4.1.7 is pretty opaque, but it appears that the rules are actually quite simple: -- the WM_HINTS input field determines whether the WM should call XSetInputFocus() -- independently, the WM_TAKE_FOCUS protocol determines whether the WM should send a WM_TAKE_FOCUS ClientMessage. */ { Bool neverFocus = FALSE; XWMHints *hints = XGetWMHints(pWMInfo->pDisplay, pNode->msg.iWindow); if (hints) { if (hints->flags & InputHint) neverFocus = !hints->input; XFree(hints); } if (!neverFocus) XSetInputFocus(pWMInfo->pDisplay, pNode->msg.iWindow, RevertToPointerRoot, CurrentTime); if (IsWmProtocolAvailable(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmWmTakeFocus)) SendXMessage(pWMInfo->pDisplay, pNode->msg.iWindow, pWMInfo->atmWmProtos, pWMInfo->atmWmTakeFocus); } break; case WM_WM_NAME_EVENT: UpdateName(pWMInfo, pNode->msg.iWindow); break; case WM_WM_ICON_EVENT: UpdateIcon(pWMInfo, pNode->msg.iWindow); break; case WM_WM_HINTS_EVENT: { XWindowAttributes attr; /* Don't do anything if this is an override-redirect window */ XGetWindowAttributes (pWMInfo->pDisplay, pNode->msg.iWindow, &attr); if (attr.override_redirect) break; UpdateStyle(pWMInfo, 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 return NULL; } /* * 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; Atom atmNetWmIcon; Atom atmWindowState, atmMotifWmHints, atmWindowType, atmNormalHints; int iReturn; XIconSize *xis; winDebug("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 - Warning: locale not supported by X\n"); } /* Release the server started mutex */ pthread_mutex_unlock(pProcArg->ppmServerStarted); ErrorF("winMultiWindowXMsgProc - pthread_mutex_unlock () returned.\n"); /* Install our error handler */ XSetErrorHandler(winMultiWindowXMsgProcErrorHandler); g_winMultiWindowXMsgProcThread = pthread_self(); g_winMultiWindowXMsgProcOldIOErrorHandler = XSetIOErrorHandler(winMultiWindowXMsgProcIOErrorHandler); /* 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); } /* Setup the display connection string x */ winGetDisplayName(pszDisplay, (int) pProcArg->dwScreen); /* Print the display connection string */ ErrorF("winMultiWindowXMsgProc - DISPLAY=%s\n", pszDisplay); /* Use our generated cookie for authentication */ winSetAuthorization(); /* 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", 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 */ g_fAnotherWMRunning = CheckAnotherWindowManager(pProcArg->pDisplay, pProcArg->dwScreen, pProcArg->pWMInfo->fAllowOtherWM); if (g_fAnotherWMRunning && !pProcArg->pWMInfo->fAllowOtherWM) { ErrorF("winMultiWindowXMsgProc - " "another window manager is running. Exiting.\n"); pthread_exit(NULL); } /* 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); atmNetWmIcon = XInternAtom(pProcArg->pDisplay, "_NET_WM_ICON", False); atmWindowState = XInternAtom(pProcArg->pDisplay, "_NET_WM_STATE", False); atmMotifWmHints = XInternAtom(pProcArg->pDisplay, "_MOTIF_WM_HINTS", False); atmWindowType = XInternAtom(pProcArg->pDisplay, "_NET_WM_WINDOW_TYPE", False); atmNormalHints = XInternAtom(pProcArg->pDisplay, "WM_NORMAL_HINTS", False); /* iiimxcf had a bug until 2009-04-27, assuming that the WM_STATE atom exists, causing clients to fail with a BadAtom X error if it doesn't. Since this is on in the default Solaris 10 install, workaround this by making sure it does exist... */ XInternAtom(pProcArg->pDisplay, "WM_STATE", 0); /* 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, TRUE)) { if (!g_fAnotherWMRunning) { g_fAnotherWMRunning = TRUE; SendMessage(pProcArg->hwndScreen, WM_UNMANAGE, 0, 0); } } else { if (g_fAnotherWMRunning) { g_fAnotherWMRunning = FALSE; SendMessage(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 == MapNotify) { /* Fake a reparentNotify event as SWT/Motif expects a Window Manager to reparent a top-level window when it is mapped and waits until they do. We don't actually need to reparent, as the frame is a native window, not an X window We do this on MapNotify, not MapRequest like a real Window Manager would, so we don't have do get involved in actually mapping the window via it's (non-existent) parent... See sourceware bugzilla #9848 */ XWindowAttributes attr; Window root; Window parent; Window *children; unsigned int nchildren; if (XGetWindowAttributes(event.xmap.display, event.xmap.window, &attr) && XQueryTree(event.xmap.display, event.xmap.window, &root, &parent, &children, &nchildren)) { if (children) XFree(children); /* It's a top-level window if the parent window is a root window Only non-override_redirect windows can get reparented */ if ((attr.root == parent) && !event.xmap.override_redirect) { XEvent event_send; event_send.type = ReparentNotify; event_send.xreparent.event = event.xmap.window; event_send.xreparent.window = event.xmap.window; event_send.xreparent.parent = parent; event_send.xreparent.x = attr.x; event_send.xreparent.y = attr.y; XSendEvent(event.xmap.display, event.xmap.window, True, StructureNotifyMask, &event_send); } } } else if (event.type == ConfigureNotify) { if (!event.xconfigure.send_event) { /* Java applications using AWT on JRE 1.6.0 break with non-reparenting WMs AWT doesn't explicitly know about (See sun bug #6434227) XDecoratedPeer.handleConfigureNotifyEvent() only processes non-synthetic ConfigureNotify events to update window location if it's identified the WM as a non-reparenting WM it knows about (compiz or lookingglass) Rather than tell all sorts of lies to get XWM to recognize us as one of those, simply send a synthetic ConfigureNotify for every non-synthetic one */ XEvent event_send = event; event_send.xconfigure.send_event = TRUE; event_send.xconfigure.event = event.xconfigure.window; XSendEvent(event.xconfigure.display, event.xconfigure.window, True, StructureNotifyMask, &event_send); } } else if (event.type == PropertyNotify) { if (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 { /* Several properties are considered for WM hints, check if this property change affects any of them... (this list needs to be kept in sync with winApplyHints()) */ if ((event.xproperty.atom == atmWmHints) || (event.xproperty.atom == atmWindowState) || (event.xproperty.atom == atmMotifWmHints) || (event.xproperty.atom == atmWindowType) || (event.xproperty.atom == atmNormalHints)) { memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_HINTS_EVENT; msg.iWindow = event.xproperty.window; /* Other fields ignored */ winSendMessageToWM(pProcArg->pWMInfo, &msg); } /* Not an else as WM_HINTS affects both style and icon */ if ((event.xproperty.atom == atmWmHints) || (event.xproperty.atom == atmNetWmIcon)) { memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_ICON_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); return 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 = malloc(sizeof(WMProcArgRec)); WMInfoPtr pWMInfo = malloc(sizeof(WMInfoRec)); XMsgProcArgPtr pXMsgArg = malloc(sizeof(XMsgProcArgRec)); /* Bail if the input parameters are bad */ if (pArg == NULL || pWMInfo == NULL || pXMsgArg == NULL) { ErrorF("winInitWM - malloc failed.\n"); free(pArg); free(pWMInfo); free(pXMsgArg); 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; winDebug("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 - Warning: Locale not supported by X.\n"); } /* Release the server started mutex */ pthread_mutex_unlock(pProcArg->ppmServerStarted); ErrorF("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n"); /* Install our error handler */ XSetErrorHandler(winMultiWindowWMErrorHandler); g_winMultiWindowWMThread = pthread_self(); g_winMultiWindowWMOldIOErrorHandler = XSetIOErrorHandler(winMultiWindowWMIOErrorHandler); /* 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); } /* Setup the display connection string x */ winGetDisplayName(pszDisplay, (int) pProcArg->dwScreen); /* Print the display connection string */ ErrorF("winInitMultiWindowWM - DISPLAY=%s\n", pszDisplay); /* Use our generated cookie for authentication */ winSetAuthorization(); /* 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", 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); pWMInfo->atmWmTakeFocus = XInternAtom(pWMInfo->pDisplay, "WM_TAKE_FOCUS", False); pWMInfo->atmPrivMap = XInternAtom(pWMInfo->pDisplay, WINDOWSWM_NATIVE_HWND, False); 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 = 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("winMultiWindowWMIOErrorHandler!\n"); if (pthread_equal(pthread_self(), g_winMultiWindowWMThread)) { if (g_shutdown) pthread_exit(NULL); /* Restart at the main entry point */ longjmp(g_jmpWMEntry, WIN_JMP_ERROR_IO); } if (g_winMultiWindowWMOldIOErrorHandler) g_winMultiWindowWMOldIOErrorHandler(pDisplay); 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)); #if CYGMULTIWINDOW_DEBUG ErrorF("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n", pszErrorMsg); #endif return 0; } /* * X message procedure IO error handler */ static int winMultiWindowXMsgProcIOErrorHandler(Display * pDisplay) { ErrorF("winMultiWindowXMsgProcIOErrorHandler!\n"); if (pthread_equal(pthread_self(), g_winMultiWindowXMsgProcThread)) { /* Restart at the main entry point */ longjmp(g_jmpXMsgProcEntry, WIN_JMP_ERROR_IO); } if (g_winMultiWindowXMsgProcOldIOErrorHandler) g_winMultiWindowXMsgProcOldIOErrorHandler(pDisplay); 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, Bool fAllowOtherWM) { /* Try to select the events which only one client at a time is allowed to select. If this causes an error, another window manager is already running... */ redirectError = FALSE; XSetErrorHandler(winRedirectErrorHandler); XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen), ResizeRedirectMask | SubstructureRedirectMask | ButtonPressMask); XSync(pDisplay, 0); XSetErrorHandler(winMultiWindowXMsgProcErrorHandler); /* Side effect: select the events we are actually interested in... If other WMs are not allowed, also select one of the events which only one client at a time is allowed to select, so other window managers won't start... */ XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen), SubstructureNotifyMask | (!fAllowOtherWM ? ButtonPressMask : 0)); XSync(pDisplay, 0); return redirectError; } /* * Notify the MWM thread we're exiting and not to reconnect */ void winDeinitMultiWindowWM(void) { ErrorF("winDeinitMultiWindowWM - Noting shutdown in progress\n"); g_shutdown = TRUE; } /* Windows window styles */ #define HINT_NOFRAME (1L<<0) #define HINT_BORDER (1L<<1) #define HINT_SIZEBOX (1L<<2) #define HINT_CAPTION (1L<<3) #define HINT_NOMAXIMIZE (1L<<4) #define HINT_NOMINIMIZE (1L<<5) #define HINT_NOSYSMENU (1L<<6) #define HINT_SKIPTASKBAR (1L<<7) /* These two are used on their own */ #define HINT_MAX (1L<<0) #define HINT_MIN (1L<<1) static void winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle) { static Atom windowState, motif_wm_hints, windowType; static Atom hiddenState, fullscreenState, belowState, aboveState, skiptaskbarState; static Atom dockWindow; static int generation; Atom type, *pAtom = NULL; int format; unsigned long hint = 0, maxmin = 0, nitems = 0, left = 0; unsigned long style, exStyle; MwmHints *mwm_hint = NULL; if (!hWnd) return; if (!IsWindow(hWnd)) return; if (generation != serverGeneration) { generation = serverGeneration; windowState = XInternAtom(pDisplay, "_NET_WM_STATE", False); motif_wm_hints = XInternAtom(pDisplay, "_MOTIF_WM_HINTS", False); windowType = XInternAtom(pDisplay, "_NET_WM_WINDOW_TYPE", False); hiddenState = XInternAtom(pDisplay, "_NET_WM_STATE_HIDDEN", False); fullscreenState = XInternAtom(pDisplay, "_NET_WM_STATE_FULLSCREEN", False); belowState = XInternAtom(pDisplay, "_NET_WM_STATE_BELOW", False); aboveState = XInternAtom(pDisplay, "_NET_WM_STATE_ABOVE", False); dockWindow = XInternAtom(pDisplay, "_NET_WM_WINDOW_TYPE_DOCK", False); skiptaskbarState = XInternAtom(pDisplay, "_NET_WM_STATE_SKIP_TASKBAR", False); } if (XGetWindowProperty(pDisplay, iWindow, windowState, 0L, MAXINT, False, XA_ATOM, &type, &format, &nitems, &left, (unsigned char **) &pAtom) == Success) { if (pAtom ) { unsigned long i; for (i = 0; i < nitems; i++) { if (pAtom[i] == skiptaskbarState) hint |= HINT_SKIPTASKBAR; if (pAtom[i] == hiddenState) maxmin |= HINT_MIN; else if (pAtom[i] == fullscreenState) maxmin |= HINT_MAX; if (pAtom[i] == belowState) *zstyle = HWND_BOTTOM; else if (pAtom[i] == aboveState) *zstyle = HWND_TOPMOST; } XFree(pAtom); } } nitems = left = 0; if (XGetWindowProperty(pDisplay, iWindow, motif_wm_hints, 0L, PropMwmHintsElements, False, motif_wm_hints, &type, &format, &nitems, &left, (unsigned char **) &mwm_hint) == Success) { if (mwm_hint && nitems == PropMwmHintsElements && (mwm_hint->flags & MwmHintsDecorations)) { if (!mwm_hint->decorations) hint |= (HINT_NOFRAME | HINT_NOSYSMENU | HINT_NOMINIMIZE | HINT_NOMAXIMIZE); else if (!(mwm_hint->decorations & MwmDecorAll)) { if (mwm_hint->decorations & MwmDecorBorder) hint |= HINT_BORDER; if (mwm_hint->decorations & MwmDecorHandle) hint |= HINT_SIZEBOX; if (mwm_hint->decorations & MwmDecorTitle) hint |= HINT_CAPTION; if (!(mwm_hint->decorations & MwmDecorMenu)) hint |= HINT_NOSYSMENU; if (!(mwm_hint->decorations & MwmDecorMinimize)) hint |= HINT_NOMINIMIZE; if (!(mwm_hint->decorations & MwmDecorMaximize)) hint |= HINT_NOMAXIMIZE; } else { /* MwmDecorAll means all decorations *except* those specified by other flag bits that are set. Not yet implemented. */ } } if (mwm_hint) XFree(mwm_hint); } nitems = left = 0; pAtom = NULL; if (XGetWindowProperty(pDisplay, iWindow, windowType, 0L, 1L, False, XA_ATOM, &type, &format, &nitems, &left, (unsigned char **) &pAtom) == Success) { if (pAtom && nitems == 1) { if (*pAtom == dockWindow) { hint = (hint & ~HINT_NOFRAME) | HINT_SKIPTASKBAR | HINT_SIZEBOX; *zstyle = HWND_TOPMOST; } } if (pAtom) XFree(pAtom); } { XSizeHints *normal_hint = XAllocSizeHints(); long supplied; if (normal_hint && XGetWMNormalHints(pDisplay, iWindow, normal_hint, &supplied)) { if (normal_hint->flags & PMaxSize) { /* Not maximizable if a maximum size is specified */ hint |= HINT_NOMAXIMIZE; if (normal_hint->flags & PMinSize) { /* If both minimum size and maximum size are specified and are the same, don't bother with a resizing frame */ if ((normal_hint->min_width == normal_hint->max_width) && (normal_hint->min_height == normal_hint->max_height)) hint = (hint & ~HINT_SIZEBOX); } } } XFree(normal_hint); } /* Override hint settings from above with settings from config file and set application id for grouping. */ { XClassHint class_hint = { 0, 0 }; char *window_name = 0; char *application_id = 0; if (XGetClassHint(pDisplay, iWindow, &class_hint)) { XFetchName(pDisplay, iWindow, &window_name); style = winOverrideStyle(class_hint.res_name, class_hint.res_class, window_name); #define APPLICATION_ID_FORMAT "%s.xwin.%s" #define APPLICATION_ID_UNKNOWN "unknown" if (class_hint.res_class) { asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, class_hint.res_class); } else { asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, APPLICATION_ID_UNKNOWN); } winSetAppUserModelID(hWnd, application_id); if (class_hint.res_name) XFree(class_hint.res_name); if (class_hint.res_class) XFree(class_hint.res_class); if (application_id) free(application_id); if (window_name) XFree(window_name); } else { style = STYLE_NONE; } } if (style & STYLE_TOPMOST) *zstyle = HWND_TOPMOST; else if (style & STYLE_MAXIMIZE) maxmin = (hint & ~HINT_MIN) | HINT_MAX; else if (style & STYLE_MINIMIZE) maxmin = (hint & ~HINT_MAX) | HINT_MIN; else if (style & STYLE_BOTTOM) *zstyle = HWND_BOTTOM; if (maxmin & HINT_MAX) SendMessage(hWnd, WM_SYSCOMMAND, SC_MAXIMIZE, 0); else if (maxmin & HINT_MIN) SendMessage(hWnd, WM_SYSCOMMAND, SC_MINIMIZE, 0); if (style & STYLE_NOTITLE) hint = (hint & ~HINT_NOFRAME & ~HINT_BORDER & ~HINT_CAPTION) | HINT_SIZEBOX; else if (style & STYLE_OUTLINE) hint = (hint & ~HINT_NOFRAME & ~HINT_SIZEBOX & ~HINT_CAPTION) | HINT_BORDER; else if (style & STYLE_NOFRAME) hint = (hint & ~HINT_BORDER & ~HINT_CAPTION & ~HINT_SIZEBOX) | HINT_NOFRAME; /* Now apply styles to window */ style = GetWindowLongPtr(hWnd, GWL_STYLE); if (!style) return; /* GetWindowLongPointer returns 0 on failure, we hope this isn't a valid style */ style &= ~WS_CAPTION & ~WS_SIZEBOX; /* Just in case */ if (!(hint & ~HINT_SKIPTASKBAR)) /* No hints, default */ style = style | WS_CAPTION | WS_SIZEBOX; else if (hint & HINT_NOFRAME) /* No frame, no decorations */ style = style & ~WS_CAPTION & ~WS_SIZEBOX; else style = style | ((hint & HINT_BORDER) ? WS_BORDER : 0) | ((hint & HINT_SIZEBOX) ? WS_SIZEBOX : 0) | ((hint & HINT_CAPTION) ? WS_CAPTION : 0); if (hint & HINT_NOMAXIMIZE) style = style & ~WS_MAXIMIZEBOX; if (hint & HINT_NOMINIMIZE) style = style & ~WS_MINIMIZEBOX; if (hint & HINT_NOSYSMENU) style = style & ~WS_SYSMENU; if (hint & HINT_SKIPTASKBAR) style = style & ~WS_MINIMIZEBOX; /* window will become lost if minimized */ SetWindowLongPtr(hWnd, GWL_STYLE, style); exStyle = GetWindowLongPtr(hWnd, GWL_EXSTYLE); if (hint & HINT_SKIPTASKBAR) exStyle = (exStyle & ~WS_EX_APPWINDOW) | WS_EX_TOOLWINDOW; else exStyle = (exStyle & ~WS_EX_TOOLWINDOW) | WS_EX_APPWINDOW; SetWindowLongPtr(hWnd, GWL_EXSTYLE, exStyle); winDebug ("winApplyHints: iWindow 0x%08x hints 0x%08x style 0x%08x exstyle 0x%08x\n", iWindow, hint, style, exStyle); } void winUpdateWindowPosition(HWND hWnd, HWND * zstyle) { int iX, iY, iWidth, iHeight; int iDx, iDy; RECT rcNew; WindowPtr pWin = GetProp(hWnd, WIN_WINDOW_PROP); DrawablePtr pDraw = NULL; if (!pWin) return; pDraw = &pWin->drawable; if (!pDraw) return; /* 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; /* Setup a rectangle with the X window position and size */ SetRect(&rcNew, iX, iY, iX + iWidth, iY + iHeight); winDebug("winUpdateWindowPosition - drawable extent (%d, %d)-(%d, %d)\n", rcNew.left, rcNew.top, rcNew.right, rcNew.bottom); AdjustWindowRectEx(&rcNew, GetWindowLongPtr(hWnd, GWL_STYLE), FALSE, GetWindowLongPtr(hWnd, GWL_EXSTYLE)); /* Don't allow window decoration to disappear off to top-left as a result of this adjustment */ if (rcNew.left < GetSystemMetrics(SM_XVIRTUALSCREEN)) { iDx = GetSystemMetrics(SM_XVIRTUALSCREEN) - rcNew.left; rcNew.left += iDx; rcNew.right += iDx; } if (rcNew.top < GetSystemMetrics(SM_YVIRTUALSCREEN)) { iDy = GetSystemMetrics(SM_YVIRTUALSCREEN) - rcNew.top; rcNew.top += iDy; rcNew.bottom += iDy; } winDebug("winUpdateWindowPosition - Window extent (%d, %d)-(%d, %d)\n", rcNew.left, rcNew.top, rcNew.right, rcNew.bottom); /* Position the Windows window */ SetWindowPos(hWnd, *zstyle, rcNew.left, rcNew.top, rcNew.right - rcNew.left, rcNew.bottom - rcNew.top, 0); }