/* *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 /* Local headers */ #include "X11/Xdefs.h" // for Bool type #include "winwindow.h" #include "winprefs.h" #include "window.h" #include "pixmapstr.h" #include "windowstr.h" #include "winglobals.h" #include "windisplay.h" #include "winmultiwindowicons.h" /* We need the native HWND atom for intWM, so for consistency use the same name as extWM does */ #define WINDOWSWM_NATIVE_HWND "_WINDOWSWM_NATIVE_HWND" #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); extern xcb_auth_info_t *winGetXcbAuthInfo(void); #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 /* * 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; } WMMsgQueueRec, *WMMsgQueuePtr; typedef struct _WMInfo { xcb_connection_t *conn; WMMsgQueueRec wmMsgQueue; xcb_atom_t atmWmProtos; xcb_atom_t atmWmDelete; xcb_atom_t atmWmTakeFocus; xcb_atom_t atmPrivMap; xcb_atom_t atmUtf8String; xcb_atom_t atmNetWmName; xcb_ewmh_connection_t ewmh; } WMInfoRec, *WMInfoPtr; typedef struct _WMProcArgRec { DWORD dwScreen; WMInfoPtr pWMInfo; pthread_mutex_t *ppmServerStarted; } WMProcArgRec, *WMProcArgPtr; typedef struct _XMsgProcArgRec { xcb_connection_t *conn; 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(WMInfoPtr pWMInfo, xcb_window_t iWin, char **ppWindowName); static void SendXMessage(xcb_connection_t *conn, xcb_window_t iWin, xcb_atom_t atmType, long nData); static void UpdateName(WMInfoPtr pWMInfo, xcb_window_t iWindow); static void *winMultiWindowWMProc(void *pArg); static void *winMultiWindowXMsgProc(void *pArg); static void winInitMultiWindowWM(WMInfoPtr pWMInfo, WMProcArgPtr pProcArg); #if 0 static void PreserveWin32Stack(WMInfoPtr pWMInfo, xcb_window_t iWindow, UINT direction); #endif static Bool CheckAnotherWindowManager(xcb_connection_t *conn, DWORD dwScreen); static void winApplyHints(WMInfoPtr pWMInfo, xcb_window_t iWindow, HWND hWnd, HWND * zstyle); void winUpdateWindowPosition(HWND hWnd, HWND * zstyle); /* * Local globals */ static Bool g_shutdown = FALSE; /* * Translate msg id to text, for debug purposes */ static const char * MessageName(winWMMessagePtr msg) { switch (msg->msg) { case WM_WM_MOVE: return "WM_WM_MOVE"; break; case WM_WM_SIZE: return "WM_WM_SIZE"; break; case WM_WM_RAISE: return "WM_WM_RAISE"; break; case WM_WM_LOWER: return "WM_WM_LOWER"; break; case WM_WM_UNMAP: return "WM_WM_UNMAP"; break; case WM_WM_KILL: return "WM_WM_KILL"; break; case WM_WM_ACTIVATE: return "WM_WM_ACTIVATE"; break; case WM_WM_NAME_EVENT: return "WM_WM_NAME_EVENT"; break; case WM_WM_ICON_EVENT: return "WM_WM_ICON_EVENT"; break; case WM_WM_CHANGE_STATE: return "WM_WM_CHANGE_STATE"; break; case WM_WM_MAP2: return "WM_WM_MAP2"; break; case WM_WM_MAP3: return "WM_WM_MAP3"; break; case WM_WM_HINTS_EVENT: return "WM_WM_HINTS_EVENT"; break; default: return "Unknown Message"; break; } } /* * 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; } /* Release the queue mutex */ pthread_mutex_unlock(&pQueue->pmMutex); /* Signal that the queue is not empty */ pthread_cond_signal(&pQueue->pcNotEmpty); } /* * 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; } /* Release the queue mutex */ pthread_mutex_unlock(&pQueue->pmMutex); return pNode; } #if 0 /* * HaveMessage - */ static Bool HaveMessage(WMMsgQueuePtr pQueue, UINT msg, xcb_window_t 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; 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(WMInfoPtr pWMInfo, xcb_icccm_get_text_property_reply_t *xtp) { char *pszReturnData; if ((xtp->encoding == XCB_ATOM_STRING) || // Latin1 ISO 8859-1 (xtp->encoding == pWMInfo->atmUtf8String)) { // UTF-8 ISO 10646 pszReturnData = strndup(xtp->name, xtp->name_len); } else { // Converting from COMPOUND_TEXT to UTF-8 properly is complex to // implement, and not very much use unless you have an old // application which isn't UTF-8 aware. ErrorF("Xutf8TextPropertyToString: text encoding %d is not implemented\n", xtp->encoding); pszReturnData = strdup(""); } return pszReturnData; } /* * GetWindowName - Retrieve the title of an X Window */ static void GetWindowName(WMInfoPtr pWMInfo, xcb_window_t iWin, char **ppWindowName) { xcb_connection_t *conn = pWMInfo->conn; char *pszWindowName = NULL; #if CYGMULTIWINDOW_DEBUG ErrorF("GetWindowName\n"); #endif /* Try to get window name from _NET_WM_NAME */ { xcb_get_property_cookie_t cookie; xcb_get_property_reply_t *reply; cookie = xcb_get_property(pWMInfo->conn, FALSE, iWin, pWMInfo->atmNetWmName, XCB_GET_PROPERTY_TYPE_ANY, 0, INT_MAX); reply = xcb_get_property_reply(pWMInfo->conn, cookie, NULL); if (reply && (reply->type != XCB_NONE)) { pszWindowName = strndup(xcb_get_property_value(reply), xcb_get_property_value_length(reply)); free(reply); } } /* Otherwise, try to get window name from WM_NAME */ if (!pszWindowName) { xcb_get_property_cookie_t cookie; xcb_icccm_get_text_property_reply_t reply; cookie = xcb_icccm_get_wm_name(conn, iWin); if (!xcb_icccm_get_wm_name_reply(conn, cookie, &reply, NULL)) { ErrorF("GetWindowName - xcb_icccm_get_wm_name_reply failed. No name.\n"); *ppWindowName = NULL; return; } pszWindowName = Xutf8TextPropertyToString(pWMInfo, &reply); xcb_icccm_get_text_property_reply_wipe(&reply); } /* return the window name, unless... */ *ppWindowName = pszWindowName; if (g_fHostInTitle) { xcb_get_property_cookie_t cookie; xcb_icccm_get_text_property_reply_t reply; /* Try to get client machine name */ cookie = xcb_icccm_get_wm_client_machine(conn, iWin); if (xcb_icccm_get_wm_client_machine_reply(conn, cookie, &reply, NULL)) { char *pszClientMachine; char *pszClientHostname; char *dot; char hostname[HOST_NAME_MAX + 1]; pszClientMachine = Xutf8TextPropertyToString(pWMInfo, &reply); xcb_icccm_get_text_property_reply_wipe(&reply); /* If client machine name looks like a FQDN, find the hostname */ pszClientHostname = strdup(pszClientMachine); dot = strchr(pszClientHostname, '.'); if (dot) *dot = '\0'; /* If we have a client machine hostname and it's not the local hostname and it's not already in the window title... */ if (strlen(pszClientHostname) && !gethostname(hostname, HOST_NAME_MAX + 1) && strcmp(hostname, pszClientHostname) && (strstr(pszWindowName, pszClientHostname) == 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); free(pszClientHostname); } } } /* * Does the client support the specified WM_PROTOCOLS protocol? */ static Bool IsWmProtocolAvailable(WMInfoPtr pWMInfo, xcb_window_t iWindow, xcb_atom_t atmProtocol) { int i, found = 0; xcb_get_property_cookie_t cookie; xcb_icccm_get_wm_protocols_reply_t reply; xcb_connection_t *conn = pWMInfo->conn; cookie = xcb_icccm_get_wm_protocols(conn, iWindow, pWMInfo->ewmh.WM_PROTOCOLS); if (xcb_icccm_get_wm_protocols_reply(conn, cookie, &reply, NULL)) { for (i = 0; i < reply.atoms_len; ++i) if (reply.atoms[i] == atmProtocol) { ++found; break; } xcb_icccm_get_wm_protocols_reply_wipe(&reply); } return found > 0; } /* * Send a message to the X server from the WM thread */ static void SendXMessage(xcb_connection_t *conn, xcb_window_t iWin, xcb_atom_t atmType, long nData) { xcb_client_message_event_t e; /* Prepare the X event structure */ memset(&e, 0, sizeof(e)); e.response_type = XCB_CLIENT_MESSAGE; e.window = iWin; e.type = atmType; e.format = 32; e.data.data32[0] = nData; e.data.data32[1] = XCB_CURRENT_TIME; /* Send the event to X */ xcb_send_event(conn, FALSE, iWin, XCB_EVENT_MASK_NO_EVENT, (const char *)&e); } /* * See if we can get the stored HWND for this window... */ static HWND getHwnd(WMInfoPtr pWMInfo, xcb_window_t iWindow) { HWND hWnd = NULL; xcb_get_property_cookie_t cookie; xcb_get_property_reply_t *reply; cookie = xcb_get_property(pWMInfo->conn, FALSE, iWindow, pWMInfo->atmPrivMap, XCB_ATOM_INTEGER, 0L, sizeof(HWND)/4L); reply = xcb_get_property_reply(pWMInfo->conn, cookie, NULL); if (reply) { int length = xcb_get_property_value_length(reply); HWND *value = xcb_get_property_value(reply); if (value && (length == sizeof(HWND))) { hWnd = *value; } free(reply); } /* Some sanity checks */ if (!hWnd) return NULL; if (!IsWindow(hWnd)) return NULL; return hWnd; } /* * Helper function to check for override-redirect */ static Bool IsOverrideRedirect(xcb_connection_t *conn, xcb_window_t iWin) { Bool result = FALSE; xcb_get_window_attributes_reply_t *reply; xcb_get_window_attributes_cookie_t cookie; cookie = xcb_get_window_attributes(conn, iWin); reply = xcb_get_window_attributes_reply(conn, cookie, NULL); if (reply) { result = (reply->override_redirect != 0); free(reply); } else { ErrorF("IsOverrideRedirect: Failed to get window attributes\n"); } return result; } /* * Helper function to get class and window names */ static void GetClassNames(WMInfoPtr pWMInfo, xcb_window_t iWindow, char **res_name, char **res_class, char **window_name) { xcb_get_property_cookie_t cookie1; xcb_icccm_get_wm_class_reply_t reply1; xcb_get_property_cookie_t cookie2; xcb_icccm_get_text_property_reply_t reply2; cookie1 = xcb_icccm_get_wm_class(pWMInfo->conn, iWindow); if (xcb_icccm_get_wm_class_reply(pWMInfo->conn, cookie1, &reply1, NULL)) { *res_name = strdup(reply1.instance_name); *res_class = strdup(reply1.class_name); xcb_icccm_get_wm_class_reply_wipe(&reply1); } else { *res_name = strdup(""); *res_class = strdup(""); } cookie2 = xcb_icccm_get_wm_name(pWMInfo->conn, iWindow); if (xcb_icccm_get_wm_name_reply(pWMInfo->conn, cookie2, &reply2, NULL)) { *window_name = strndup(reply2.name, reply2.name_len); xcb_icccm_get_text_property_reply_wipe(&reply2); } else { *window_name = strdup(""); } } /* * Updates the name of a HWND according to its X WM_NAME property */ static void UpdateName(WMInfoPtr pWMInfo, xcb_window_t iWindow) { HWND hWnd; hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; /* If window isn't override-redirect */ if (!IsOverrideRedirect(pWMInfo->conn, iWindow)) { char *pszWindowName; /* Get the X windows window name */ GetWindowName(pWMInfo, 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, xcb_window_t iWindow) { HWND hWnd; HICON hIconNew = NULL; hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; /* If window isn't override-redirect */ if (!IsOverrideRedirect(pWMInfo->conn, iWindow)) { char *window_name = 0; char *res_name = 0; char *res_class = 0; GetClassNames(pWMInfo, iWindow, &res_name, &res_class, &window_name); hIconNew = winOverrideIcon(res_name, res_class, window_name); free(res_name); free(res_class); free(window_name); winUpdateIcon(hWnd, pWMInfo->conn, iWindow, hIconNew); } } /* * Updates the style of a HWND according to its X style properties */ static void UpdateStyle(WMInfoPtr pWMInfo, xcb_window_t 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, 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); } /* * Updates the state of a HWND * (only minimization supported at the moment) */ static void UpdateState(WMInfoPtr pWMInfo, xcb_window_t iWindow) { HWND hWnd; winDebug("UpdateState: iWindow 0x%08x\n", (int)iWindow); hWnd = getHwnd(pWMInfo, iWindow); if (!hWnd) return; ShowWindow(hWnd, SW_MINIMIZE); } #if 0 /* * Fix up any differences between the X11 and Win32 window stacks * starting at the window passed in */ static void PreserveWin32Stack(WMInfoPtr pWMInfo, xcb_window_t iWindow, UINT direction) { HWND hWnd; DWORD myWinProcID, winProcID; xcb_window_t 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; /* 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: %s (%d) ID: %d\n", MessageName(&(pNode->msg)), (int)pNode->msg.msg, (int)pNode->msg.dwID); #endif /* Branch on the message type */ switch (pNode->msg.msg) { #if 0 case WM_WM_MOVE: break; case WM_WM_SIZE: break; #endif case WM_WM_RAISE: /* Raise the window */ { const static uint32_t values[] = { XCB_STACK_MODE_ABOVE }; xcb_configure_window(pWMInfo->conn, pNode->msg.iWindow, XCB_CONFIG_WINDOW_STACK_MODE, values); } #if 0 PreserveWin32Stack(pWMInfo, pNode->msg.iWindow, GW_HWNDPREV); #endif break; case WM_WM_LOWER: /* Lower the window */ { const static uint32_t values[] = { XCB_STACK_MODE_BELOW }; xcb_configure_window(pWMInfo->conn, pNode->msg.iWindow, XCB_CONFIG_WINDOW_STACK_MODE, values); } break; case WM_WM_MAP2: /* Put a note as to the HWND associated with this Window */ xcb_change_property(pWMInfo->conn, XCB_PROP_MODE_REPLACE, pNode->msg.iWindow, pWMInfo->atmPrivMap, XCB_ATOM_INTEGER, 32, sizeof(HWND)/4, &(pNode->msg.hwndWindow)); break; case WM_WM_MAP3: /* Put a note as to the HWND associated with this Window */ xcb_change_property(pWMInfo->conn, XCB_PROP_MODE_REPLACE, pNode->msg.iWindow, pWMInfo->atmPrivMap, XCB_ATOM_INTEGER, 32, sizeof(HWND)/4, &(pNode->msg.hwndWindow)); 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: /* Unmap the window */ xcb_unmap_window(pWMInfo->conn, pNode->msg.iWindow); break; case WM_WM_KILL: { /* --- */ if (IsWmProtocolAvailable(pWMInfo, pNode->msg.iWindow, pWMInfo->atmWmDelete)) SendXMessage(pWMInfo->conn, pNode->msg.iWindow, pWMInfo->atmWmProtos, pWMInfo->atmWmDelete); else xcb_kill_client(pWMInfo->conn, pNode->msg.iWindow); } break; case WM_WM_ACTIVATE: /* 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; xcb_get_property_cookie_t cookie; xcb_icccm_wm_hints_t hints; cookie = xcb_icccm_get_wm_hints(pWMInfo->conn, pNode->msg.iWindow); if (xcb_icccm_get_wm_hints_reply(pWMInfo->conn, cookie, &hints, NULL)) { if (hints.flags & XCB_ICCCM_WM_HINT_INPUT) neverFocus = !hints.input; } if (!neverFocus) xcb_set_input_focus(pWMInfo->conn, XCB_INPUT_FOCUS_POINTER_ROOT, pNode->msg.iWindow, XCB_CURRENT_TIME); if (IsWmProtocolAvailable(pWMInfo, pNode->msg.iWindow, pWMInfo->atmWmTakeFocus)) SendXMessage(pWMInfo->conn, 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: { /* Don't do anything if this is an override-redirect window */ if (IsOverrideRedirect(pWMInfo->conn, pNode->msg.iWindow)) break; UpdateStyle(pWMInfo, pNode->msg.iWindow); } break; case WM_WM_CHANGE_STATE: UpdateState(pWMInfo, 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 */ xcb_flush(pWMInfo->conn); /* This is just laziness rather than making sure we used _checked everywhere */ { xcb_generic_event_t *event = xcb_poll_for_event(pWMInfo->conn); if (event) { if ((event->response_type & ~0x80) == 0) { xcb_generic_error_t *err = (xcb_generic_error_t *)event; ErrorF("winMultiWindowWMProc - Error code: %i, ID: 0x%08x, " "Major opcode: %i, Minor opcode: %i\n", err->error_code, err->resource_id, err->major_code, err->minor_code); } } } /* I/O errors etc. */ { int e = xcb_connection_has_error(pWMInfo->conn); if (e) { ErrorF("winMultiWindowWMProc - Fatal error %d on xcb connection\n", e); break; } } } /* 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; } static xcb_atom_t intern_atom(xcb_connection_t *conn, const char *atomName) { xcb_intern_atom_reply_t *atom_reply; xcb_intern_atom_cookie_t atom_cookie; xcb_atom_t atom = XCB_ATOM_NONE; atom_cookie = xcb_intern_atom(conn, 0, strlen(atomName), atomName); atom_reply = xcb_intern_atom_reply(conn, atom_cookie, NULL); if (atom_reply) { atom = atom_reply->atom; free(atom_reply); } return atom; } /* * X message procedure */ static void * winMultiWindowXMsgProc(void *pArg) { winWMMessageRec msg; XMsgProcArgPtr pProcArg = (XMsgProcArgPtr) pArg; char pszDisplay[512]; int iRetries; xcb_atom_t atmWmName; xcb_atom_t atmNetWmName; xcb_atom_t atmWmHints; xcb_atom_t atmWmChange; xcb_atom_t atmNetWmIcon; xcb_atom_t atmWindowState, atmMotifWmHints, atmWindowType, atmNormalHints; int iReturn; xcb_auth_info_t *auth_info; winDebug("winMultiWindowXMsgProc - Hello\n"); /* Check that argument pointer is not invalid */ if (pProcArg == NULL) { ErrorF("winMultiWindowXMsgProc - pProcArg is NULL. Exiting.\n"); pthread_exit(NULL); } winDebug("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); } winDebug("winMultiWindowXMsgProc - pthread_mutex_lock () returned.\n"); /* Release the server started mutex */ pthread_mutex_unlock(pProcArg->ppmServerStarted); winDebug("winMultiWindowXMsgProc - pthread_mutex_unlock () returned.\n"); /* 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 */ auth_info = winGetXcbAuthInfo(); /* Initialize retry count */ iRetries = 0; /* Open the X display */ do { /* Try to open the display */ pProcArg->conn = xcb_connect_to_display_with_auth_info(pszDisplay, auth_info, NULL); if (xcb_connection_has_error(pProcArg->conn)) { 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 (xcb_connection_has_error(pProcArg->conn) && iRetries < WIN_CONNECT_RETRIES); /* Make sure that the display opened */ if (xcb_connection_has_error(pProcArg->conn)) { ErrorF("winMultiWindowXMsgProc - Failed opening the display. " "Exiting.\n"); pthread_exit(NULL); } ErrorF("winMultiWindowXMsgProc - xcb_connect() returned and " "successfully opened the display.\n"); /* Check if another window manager is already running */ if (CheckAnotherWindowManager(pProcArg->conn, pProcArg->dwScreen)) { ErrorF("winMultiWindowXMsgProc - " "another window manager is running. Exiting.\n"); pthread_exit(NULL); } { /* Get root window id */ xcb_screen_t *root_screen = xcb_aux_get_screen(pProcArg->conn, pProcArg->dwScreen); xcb_window_t root_window_id = root_screen->root; /* Set WM_ICON_SIZE property indicating desired icon sizes */ typedef struct { uint32_t min_width, min_height; uint32_t max_width, max_height; int32_t width_inc, height_inc; } xcb_wm_icon_size_hints_hints_t; xcb_wm_icon_size_hints_hints_t xis; xis.min_width = xis.min_height = 16; xis.max_width = xis.max_height = 48; xis.width_inc = xis.height_inc = 16; xcb_change_property(pProcArg->conn, XCB_PROP_MODE_REPLACE, root_window_id, XCB_ATOM_WM_ICON_SIZE, XCB_ATOM_WM_ICON_SIZE, 32, sizeof(xis)/4, &xis); } atmWmName = intern_atom(pProcArg->conn, "WM_NAME"); atmNetWmName = intern_atom(pProcArg->conn, "_NET_WM_NAME"); atmWmHints = intern_atom(pProcArg->conn, "WM_HINTS"); atmWmChange = intern_atom(pProcArg->conn, "WM_CHANGE_STATE"); atmNetWmIcon = intern_atom(pProcArg->conn, "_NET_WM_ICON"); atmWindowState = intern_atom(pProcArg->conn, "_NET_WM_STATE"); atmMotifWmHints = intern_atom(pProcArg->conn, "_MOTIF_WM_HINTS"); atmWindowType = intern_atom(pProcArg->conn, "_NET_WM_WINDOW_TYPE"); atmNormalHints = intern_atom(pProcArg->conn, "WM_NORMAL_HINTS"); /* 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... */ intern_atom(pProcArg->conn, "WM_STATE"); /* Loop until we explicitly break out */ while (1) { xcb_generic_event_t *event; uint8_t type; Bool send_event; if (g_shutdown) break; /* Fetch next event */ event = xcb_wait_for_event(pProcArg->conn); if (!event) { // returns NULL on I/O error int e = xcb_connection_has_error(pProcArg->conn); ErrorF("winMultiWindowXMsgProc - Fatal error %d on xcb connection\n", e); break; } type = event->response_type & ~0x80; send_event = event->response_type & 0x80; winDebug("winMultiWindowXMsgProc - event %d\n", type); /* Branch on event type */ if (type == 0) { xcb_generic_error_t *err = (xcb_generic_error_t *)event; ErrorF("winMultiWindowXMsgProc - Error code: %i, ID: 0x%08x, " "Major opcode: %i, Minor opcode: %i\n", err->error_code, err->resource_id, err->major_code, err->minor_code); } else if (type == XCB_CREATE_NOTIFY) { xcb_create_notify_event_t *notify = (xcb_create_notify_event_t *)event; /* Request property change events */ const static uint32_t mask_value[] = { XCB_EVENT_MASK_PROPERTY_CHANGE }; xcb_change_window_attributes (pProcArg->conn, notify->window, XCB_CW_EVENT_MASK, mask_value); /* If it's not override-redirect, set the border-width to 0 */ if (!IsOverrideRedirect(pProcArg->conn, notify->window)) { const static uint32_t width_value[] = { 0 }; xcb_configure_window(pProcArg->conn, notify->window, XCB_CONFIG_WINDOW_BORDER_WIDTH, width_value); } } else if (type == XCB_MAP_NOTIFY) { /* 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 */ xcb_map_notify_event_t *notify = (xcb_map_notify_event_t *)event; xcb_get_geometry_cookie_t cookie; xcb_get_geometry_reply_t *reply; xcb_query_tree_cookie_t cookie_qt; xcb_query_tree_reply_t *reply_qt; cookie = xcb_get_geometry(pProcArg->conn, notify->window); cookie_qt = xcb_query_tree(pProcArg->conn, notify->window); reply = xcb_get_geometry_reply(pProcArg->conn, cookie, NULL); reply_qt = xcb_query_tree_reply(pProcArg->conn, cookie_qt, NULL); if (reply && reply_qt) { /* It's a top-level window if the parent window is a root window Only non-override_redirect windows can get reparented */ if ((reply->root == reply_qt->parent) && !notify->override_redirect) { xcb_reparent_notify_event_t event_send; event_send.response_type = ReparentNotify; event_send.event = notify->window; event_send.window = notify->window; event_send.parent = reply_qt->parent; event_send.x = reply->x; event_send.y = reply->y; xcb_send_event (pProcArg->conn, TRUE, notify->window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (const char *)&event_send); free(reply_qt); free(reply); } } } else if (type == XCB_CONFIGURE_NOTIFY) { if (!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 */ xcb_configure_notify_event_t *notify = (xcb_configure_notify_event_t *)event; xcb_configure_notify_event_t event_send = *notify; event_send.event = notify->window; xcb_send_event(pProcArg->conn, TRUE, notify->window, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (const char *)&event_send); } } else if (type == XCB_PROPERTY_NOTIFY) { xcb_property_notify_event_t *notify = (xcb_property_notify_event_t *)event; if ((notify->atom == atmWmName) || (notify->atom == atmNetWmName)) { memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_NAME_EVENT; msg.iWindow = notify->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 ((notify->atom == atmWmHints) || (notify->atom == atmWindowState) || (notify->atom == atmMotifWmHints) || (notify->atom == atmWindowType) || (notify->atom == atmNormalHints)) { memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_HINTS_EVENT; msg.iWindow = notify->window; /* Other fields ignored */ winSendMessageToWM(pProcArg->pWMInfo, &msg); } /* Not an else as WM_HINTS affects both style and icon */ if ((notify->atom == atmWmHints) || (notify->atom == atmNetWmIcon)) { memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_ICON_EVENT; msg.iWindow = notify->window; /* Other fields ignored */ winSendMessageToWM(pProcArg->pWMInfo, &msg); } } } else if (type == XCB_CLIENT_MESSAGE) { xcb_client_message_event_t *client_msg = (xcb_client_message_event_t *)event; if (client_msg->type == atmWmChange && client_msg->data.data32[0] == XCB_ICCCM_WM_STATE_ICONIC) { ErrorF("winMultiWindowXMsgProc - WM_CHANGE_STATE - IconicState\n"); memset(&msg, 0, sizeof(msg)); msg.msg = WM_WM_CHANGE_STATE; msg.iWindow = client_msg->window; winSendMessageToWM(pProcArg->pWMInfo, &msg); } } /* Free the event */ free(event); } xcb_disconnect(pProcArg->conn); 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) { 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; /* 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; xcb_auth_info_t *auth_info; winDebug("winInitMultiWindowWM - Hello\n"); /* Check that argument pointer is not invalid */ if (pProcArg == NULL) { ErrorF("winInitMultiWindowWM - pProcArg is NULL. Exiting.\n"); pthread_exit(NULL); } winDebug("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); } winDebug("winInitMultiWindowWM - pthread_mutex_lock () returned.\n"); /* Release the server started mutex */ pthread_mutex_unlock(pProcArg->ppmServerStarted); winDebug("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n"); /* 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 */ auth_info = winGetXcbAuthInfo(); /* Open the X display */ do { /* Try to open the display */ pWMInfo->conn = xcb_connect_to_display_with_auth_info(pszDisplay, auth_info, NULL); if (xcb_connection_has_error(pWMInfo->conn)) { 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 (xcb_connection_has_error(pWMInfo->conn) && iRetries < WIN_CONNECT_RETRIES); /* Make sure that the display opened */ if (xcb_connection_has_error(pWMInfo->conn)) { ErrorF("winInitMultiWindowWM - Failed opening the display. " "Exiting.\n"); pthread_exit(NULL); } ErrorF("winInitMultiWindowWM - xcb_connect () returned and " "successfully opened the display.\n"); /* Create some atoms */ pWMInfo->atmWmProtos = intern_atom(pWMInfo->conn, "WM_PROTOCOLS"); pWMInfo->atmWmDelete = intern_atom(pWMInfo->conn, "WM_DELETE_WINDOW"); pWMInfo->atmWmTakeFocus = intern_atom(pWMInfo->conn, "WM_TAKE_FOCUS"); pWMInfo->atmPrivMap = intern_atom(pWMInfo->conn, WINDOWSWM_NATIVE_HWND); pWMInfo->atmUtf8String = intern_atom(pWMInfo->conn, "UTF8_STRING"); pWMInfo->atmNetWmName = intern_atom(pWMInfo->conn, "_NET_WM_NAME"); /* Initialization for the xcb_ewmh and EWMH atoms */ { xcb_intern_atom_cookie_t *atoms_cookie; atoms_cookie = xcb_ewmh_init_atoms(pWMInfo->conn, &pWMInfo->ewmh); if (xcb_ewmh_init_atoms_replies(&pWMInfo->ewmh, atoms_cookie, NULL)) { /* Set the _NET_SUPPORTED atom for this context. TODO: Audit to ensure we implement everything defined as MUSTs for window managers in the EWMH standard.*/ xcb_atom_t supported[] = { pWMInfo->ewmh.WM_PROTOCOLS, pWMInfo->ewmh._NET_SUPPORTED, pWMInfo->ewmh._NET_SUPPORTING_WM_CHECK, pWMInfo->ewmh._NET_CLOSE_WINDOW, pWMInfo->ewmh._NET_WM_WINDOW_TYPE, pWMInfo->ewmh._NET_WM_WINDOW_TYPE_DOCK, pWMInfo->ewmh._NET_WM_WINDOW_TYPE_SPLASH, pWMInfo->ewmh._NET_WM_STATE, pWMInfo->ewmh._NET_WM_STATE_HIDDEN, pWMInfo->ewmh._NET_WM_STATE_ABOVE, pWMInfo->ewmh._NET_WM_STATE_BELOW, pWMInfo->ewmh._NET_WM_STATE_SKIP_TASKBAR, }; xcb_ewmh_set_supported(&pWMInfo->ewmh, pProcArg->dwScreen, sizeof(supported)/sizeof(xcb_atom_t), supported); } else { ErrorF("winInitMultiWindowWM - xcb_ewmh_init_atoms() failed\n"); } } /* Set the root window cursor to left_ptr (this controls the cursor an application gets over it's windows when it doesn't set one) */ { #define XC_left_ptr 68 xcb_cursor_t cursor = xcb_generate_id(pWMInfo->conn); xcb_font_t font = xcb_generate_id(pWMInfo->conn); xcb_font_t *mask_font = &font; /* An alias to clarify */ int shape = XC_left_ptr; uint32_t mask = XCB_CW_CURSOR; uint32_t value_list = cursor; xcb_screen_t *root_screen = xcb_aux_get_screen(pWMInfo->conn, pProcArg->dwScreen); xcb_window_t window = root_screen->root; static const uint16_t fgred = 0, fggreen = 0, fgblue = 0; static const uint16_t bgred = 0xFFFF, bggreen = 0xFFFF, bgblue = 0xFFFF; xcb_open_font(pWMInfo->conn, font, sizeof("cursor"), "cursor"); xcb_create_glyph_cursor(pWMInfo->conn, cursor, font, *mask_font, shape, shape + 1, fgred, fggreen, fgblue, bgred, bggreen, bgblue); xcb_change_window_attributes(pWMInfo->conn, window, mask, &value_list); xcb_free_cursor(pWMInfo->conn, cursor); xcb_close_font(pWMInfo->conn, font); } } /* * 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 %s\n", MessageName(pMsg)); #endif pNode = malloc(sizeof(WMMsgNodeRec)); if (pNode != NULL) { memcpy(&pNode->msg, pMsg, sizeof(winWMMessageRec)); PushMessage(&((WMInfoPtr) pWMInfo)->wmMsgQueue, pNode); } } /* * Check if another window manager is running */ static Bool CheckAnotherWindowManager(xcb_connection_t *conn, DWORD dwScreen) { Bool redirectError = FALSE; /* Get root window id */ xcb_screen_t *root_screen = xcb_aux_get_screen(conn, dwScreen); xcb_window_t root_window_id = root_screen->root; /* 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... */ const static uint32_t test_mask[] = { XCB_EVENT_MASK_RESIZE_REDIRECT | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_BUTTON_PRESS }; xcb_void_cookie_t cookie = xcb_change_window_attributes_checked(conn, root_window_id, XCB_CW_EVENT_MASK, test_mask); xcb_generic_error_t *error; if ((error = xcb_request_check(conn, cookie))) { redirectError = TRUE; free(error); } /* Side effect: select the events we are actually interested in... 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... */ { const uint32_t mask[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_BUTTON_PRESS }; xcb_change_window_attributes(conn, root_window_id, XCB_CW_EVENT_MASK, mask); } 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(WMInfoPtr pWMInfo, xcb_window_t iWindow, HWND hWnd, HWND * zstyle) { xcb_connection_t *conn = pWMInfo->conn; static xcb_atom_t windowState, motif_wm_hints; static xcb_atom_t hiddenState, fullscreenState, belowState, aboveState, skiptaskbarState; static xcb_atom_t splashType; static int generation; unsigned long hint = 0, maxmin = 0; unsigned long style, exStyle; if (!hWnd) return; if (!IsWindow(hWnd)) return; if (generation != serverGeneration) { generation = serverGeneration; windowState = intern_atom(conn, "_NET_WM_STATE"); motif_wm_hints = intern_atom(conn, "_MOTIF_WM_HINTS"); hiddenState = intern_atom(conn, "_NET_WM_STATE_HIDDEN"); fullscreenState = intern_atom(conn, "_NET_WM_STATE_FULLSCREEN"); belowState = intern_atom(conn, "_NET_WM_STATE_BELOW"); aboveState = intern_atom(conn, "_NET_WM_STATE_ABOVE"); skiptaskbarState = intern_atom(conn, "_NET_WM_STATE_SKIP_TASKBAR"); splashType = intern_atom(conn, "_NET_WM_WINDOW_TYPE_SPLASHSCREEN"); } { xcb_get_property_cookie_t cookie_wm_state = xcb_get_property(conn, FALSE, iWindow, windowState, XCB_ATOM_ATOM, 0L, INT_MAX); xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, cookie_wm_state, NULL); if (reply) { int i; int nitems = xcb_get_property_value_length(reply)/sizeof(xcb_atom_t); xcb_atom_t *pAtom = xcb_get_property_value(reply); 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; } free(reply); } } { xcb_get_property_cookie_t cookie_mwm_hint = xcb_get_property(conn, FALSE, iWindow, motif_wm_hints, motif_wm_hints, 0L, sizeof(MwmHints)); xcb_get_property_reply_t *reply = xcb_get_property_reply(conn, cookie_mwm_hint, NULL); if (reply) { int nitems = xcb_get_property_value_length(reply)/4; MwmHints *mwm_hint = xcb_get_property_value(reply); 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. */ } } free(reply); } } { int i; xcb_ewmh_get_atoms_reply_t type; xcb_get_property_cookie_t cookie = xcb_ewmh_get_wm_window_type(&pWMInfo->ewmh, iWindow); if (xcb_ewmh_get_wm_window_type_reply(&pWMInfo->ewmh, cookie, &type, NULL)) { for (i = 0; i < type.atoms_len; i++) { if (type.atoms[i] == pWMInfo->ewmh._NET_WM_WINDOW_TYPE_DOCK) { hint = (hint & ~HINT_NOFRAME) | HINT_SKIPTASKBAR | HINT_SIZEBOX; *zstyle = HWND_TOPMOST; } else if ((type.atoms[i] == pWMInfo->ewmh._NET_WM_WINDOW_TYPE_SPLASH) || (type.atoms[i] == splashType)) { hint |= (HINT_SKIPTASKBAR | HINT_NOSYSMENU | HINT_NOMINIMIZE | HINT_NOMAXIMIZE); *zstyle = HWND_TOPMOST; } } } } { xcb_size_hints_t size_hints; xcb_get_property_cookie_t cookie; cookie = xcb_icccm_get_wm_normal_hints(conn, iWindow); if (xcb_icccm_get_wm_normal_hints_reply(conn, cookie, &size_hints, NULL)) { if (size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MAX_SIZE) { /* Not maximizable if a maximum size is specified */ hint |= HINT_NOMAXIMIZE; if (size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) { /* If both minimum size and maximum size are specified and are the same, don't bother with a resizing frame */ if ((size_hints.min_width == size_hints.max_width) && (size_hints.min_height == size_hints.max_height)) hint = (hint & ~HINT_SIZEBOX); } } } } /* Override hint settings from above with settings from config file and set application id for grouping. */ { char *application_id = 0; char *window_name = 0; char *res_name = 0; char *res_class = 0; GetClassNames(pWMInfo, iWindow, &res_name, &res_class, &window_name); style = STYLE_NONE; style = winOverrideStyle(res_name, res_class, window_name); #define APPLICATION_ID_FORMAT "%s.xwin.%s" #define APPLICATION_ID_UNKNOWN "unknown" if (res_class) { asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, res_class); } else { asprintf(&application_id, APPLICATION_ID_FORMAT, XVENDORNAME, APPLICATION_ID_UNKNOWN); } winSetAppUserModelID(hWnd, application_id); free(application_id); free(res_name); free(res_class); free(window_name); } 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); }