diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/xwin/winmultiwindowwm.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/xwin/winmultiwindowwm.c | 1444 |
1 files changed, 0 insertions, 1444 deletions
diff --git a/nx-X11/programs/Xserver/hw/xwin/winmultiwindowwm.c b/nx-X11/programs/Xserver/hw/xwin/winmultiwindowwm.c deleted file mode 100644 index 03f179345..000000000 --- a/nx-X11/programs/Xserver/hw/xwin/winmultiwindowwm.c +++ /dev/null @@ -1,1444 +0,0 @@ -/* - *Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved. - * - *Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - *"Software"), to deal in the Software without restriction, including - *without limitation the rights to use, copy, modify, merge, publish, - *distribute, sublicense, and/or sell copies of the Software, and to - *permit persons to whom the Software is furnished to do so, subject to - *the following conditions: - * - *The above copyright notice and this permission notice shall be - *included in all copies or substantial portions of the Software. - * - *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - *NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR - *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - *Except as contained in this notice, the name of the XFree86 Project - *shall not be used in advertising or otherwise to promote the sale, use - *or other dealings in this Software without prior written authorization - *from the XFree86 Project. - * - * Authors: Kensuke Matsuzaki - */ -/* $XFree86: xc/programs/Xserver/hw/xwin/winwindow.c,v 1.5 2002/11/07 10:31:32 alanh Exp $ */ - -/* X headers */ -#ifdef HAVE_XWIN_CONFIG_H -#include <xwin-config.h> -#endif -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#ifdef __CYGWIN__ -#include <sys/select.h> -#endif -#include <fcntl.h> -#include <setjmp.h> -#define HANDLE void * -#include <pthread.h> -#undef HANDLE -#include <X11/X.h> -#include <X11/Xatom.h> -#include <X11/Xlib.h> -#include <X11/Xlocale.h> -#include <X11/Xproto.h> -#include <X11/Xutil.h> -#include <X11/cursorfont.h> - -/* Windows headers */ -#ifdef __CYGWIN__ -/* Fixups to prevent collisions between Windows and X headers */ -#define ATOM DWORD - -#include <windows.h> -#else -#include <Xwindows.h> -#endif - -/* Local headers */ -#include "objbase.h" -#include "ddraw.h" -#include "winwindow.h" -#ifdef XWIN_MULTIWINDOWEXTWM -#include "windowswmstr.h" -#endif - -extern void winDebug(const char *format, ...); - -#ifndef CYGDEBUG -#define CYGDEBUG NO -#endif - -/* - * Constant defines - */ - -#define WIN_CONNECT_RETRIES 5 -#define WIN_CONNECT_DELAY 5 -#ifdef HAS_DEVWINDOWS -# define WIN_MSG_QUEUE_FNAME "/dev/windows" -#endif -#define WIN_JMP_OKAY 0 -#define WIN_JMP_ERROR_IO 2 - - -/* - * Local structures - */ - -typedef struct _WMMsgNodeRec { - winWMMessageRec msg; - struct _WMMsgNodeRec *pNext; -} WMMsgNodeRec, *WMMsgNodePtr; - -typedef struct _WMMsgQueueRec { - struct _WMMsgNodeRec *pHead; - struct _WMMsgNodeRec *pTail; - pthread_mutex_t pmMutex; - pthread_cond_t pcNotEmpty; - int nQueueSize; -} WMMsgQueueRec, *WMMsgQueuePtr; - -typedef struct _WMInfo { - Display *pDisplay; - WMMsgQueueRec wmMsgQueue; - Atom atmWmProtos; - Atom atmWmDelete; - Atom atmPrivMap; - Bool fAllowOtherWM; -} WMInfoRec, *WMInfoPtr; - -typedef struct _WMProcArgRec { - DWORD dwScreen; - WMInfoPtr pWMInfo; - pthread_mutex_t *ppmServerStarted; -} WMProcArgRec, *WMProcArgPtr; - -typedef struct _XMsgProcArgRec { - Display *pDisplay; - DWORD dwScreen; - WMInfoPtr pWMInfo; - pthread_mutex_t *ppmServerStarted; - HWND hwndScreen; -} XMsgProcArgRec, *XMsgProcArgPtr; - - -/* - * References to external symbols - */ - -extern char *display; -extern void ErrorF (const char* /*f*/, ...); - - -/* - * Prototypes for local functions - */ - -static void -PushMessage (WMMsgQueuePtr pQueue, WMMsgNodePtr pNode); - -static WMMsgNodePtr -PopMessage (WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo); - -static Bool -InitQueue (WMMsgQueuePtr pQueue); - -static void -GetWindowName (Display * pDpy, Window iWin, char **ppName); - -static int -SendXMessage (Display *pDisplay, Window iWin, Atom atmType, long nData); - -static void -UpdateName (WMInfoPtr pWMInfo, Window iWindow); - -static void* -winMultiWindowWMProc (void* pArg); - -static int -winMultiWindowWMErrorHandler (Display *pDisplay, XErrorEvent *pErr); - -static int -winMultiWindowWMIOErrorHandler (Display *pDisplay); - -static void * -winMultiWindowXMsgProc (void *pArg); - -static int -winMultiWindowXMsgProcErrorHandler (Display *pDisplay, XErrorEvent *pErr); - -static int -winMultiWindowXMsgProcIOErrorHandler (Display *pDisplay); - -static int -winRedirectErrorHandler (Display *pDisplay, XErrorEvent *pErr); - -static void -winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg); - -#if 0 -static void -PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction); -#endif - -static Bool -CheckAnotherWindowManager (Display *pDisplay, DWORD dwScreen); - - -/* - * Local globals - */ - -static jmp_buf g_jmpWMEntry; -static jmp_buf g_jmpXMsgProcEntry; -static Bool g_shutdown = FALSE; -static Bool redirectError = FALSE; -static Bool g_fAnotherWMRunnig = FALSE; - -/* - * PushMessage - Push a message onto the queue - */ - -static void -PushMessage (WMMsgQueuePtr pQueue, WMMsgNodePtr pNode) -{ - - /* Lock the queue mutex */ - pthread_mutex_lock (&pQueue->pmMutex); - - pNode->pNext = NULL; - - if (pQueue->pTail != NULL) - { - pQueue->pTail->pNext = pNode; - } - pQueue->pTail = pNode; - - if (pQueue->pHead == NULL) - { - pQueue->pHead = pNode; - } - - -#if 0 - switch (pNode->msg.msg) - { - case WM_WM_MOVE: - ErrorF ("\tWM_WM_MOVE\n"); - break; - case WM_WM_SIZE: - ErrorF ("\tWM_WM_SIZE\n"); - break; - case WM_WM_RAISE: - ErrorF ("\tWM_WM_RAISE\n"); - break; - case WM_WM_LOWER: - ErrorF ("\tWM_WM_LOWER\n"); - break; - case WM_WM_MAP: - ErrorF ("\tWM_WM_MAP\n"); - break; - case WM_WM_UNMAP: - ErrorF ("\tWM_WM_UNMAP\n"); - break; - case WM_WM_KILL: - ErrorF ("\tWM_WM_KILL\n"); - break; - case WM_WM_ACTIVATE: - ErrorF ("\tWM_WM_ACTIVATE\n"); - break; - default: - ErrorF ("\tUnknown Message.\n"); - break; - } -#endif - - /* Increase the count of elements in the queue by one */ - ++(pQueue->nQueueSize); - - /* Release the queue mutex */ - pthread_mutex_unlock (&pQueue->pmMutex); - - /* Signal that the queue is not empty */ - pthread_cond_signal (&pQueue->pcNotEmpty); -} - - -#if CYGMULTIWINDOW_DEBUG -/* - * QueueSize - Return the size of the queue - */ - -static int -QueueSize (WMMsgQueuePtr pQueue) -{ - WMMsgNodePtr pNode; - int nSize = 0; - - /* Loop through all elements in the queue */ - for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext) - ++nSize; - - return nSize; -} -#endif - - -/* - * PopMessage - Pop a message from the queue - */ - -static WMMsgNodePtr -PopMessage (WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo) -{ - WMMsgNodePtr pNode; - - /* Lock the queue mutex */ - pthread_mutex_lock (&pQueue->pmMutex); - - /* Wait for --- */ - while (pQueue->pHead == NULL) - { - pthread_cond_wait (&pQueue->pcNotEmpty, &pQueue->pmMutex); - } - - pNode = pQueue->pHead; - if (pQueue->pHead != NULL) - { - pQueue->pHead = pQueue->pHead->pNext; - } - - if (pQueue->pTail == pNode) - { - pQueue->pTail = NULL; - } - - /* Drop the number of elements in the queue by one */ - --(pQueue->nQueueSize); - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("Queue Size %d %d\n", pQueue->nQueueSize, QueueSize(pQueue)); -#endif - - /* Release the queue mutex */ - pthread_mutex_unlock (&pQueue->pmMutex); - - return pNode; -} - - -#if 0 -/* - * HaveMessage - - */ - -static Bool -HaveMessage (WMMsgQueuePtr pQueue, UINT msg, Window iWindow) -{ - WMMsgNodePtr pNode; - - for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext) - { - if (pNode->msg.msg==msg && pNode->msg.iWindow==iWindow) - return True; - } - - return False; -} -#endif - - -/* - * InitQueue - Initialize the Window Manager message queue - */ - -static -Bool -InitQueue (WMMsgQueuePtr pQueue) -{ - /* Check if the pQueue pointer is NULL */ - if (pQueue == NULL) - { - ErrorF ("InitQueue - pQueue is NULL. Exiting.\n"); - return FALSE; - } - - /* Set the head and tail to NULL */ - pQueue->pHead = NULL; - pQueue->pTail = NULL; - - /* There are no elements initially */ - pQueue->nQueueSize = 0; - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("InitQueue - Queue Size %d %d\n", pQueue->nQueueSize, - QueueSize(pQueue)); -#endif - - ErrorF ("InitQueue - Calling pthread_mutex_init\n"); - - /* Create synchronization objects */ - pthread_mutex_init (&pQueue->pmMutex, NULL); - - ErrorF ("InitQueue - pthread_mutex_init returned\n"); - ErrorF ("InitQueue - Calling pthread_cond_init\n"); - - pthread_cond_init (&pQueue->pcNotEmpty, NULL); - - ErrorF ("InitQueue - pthread_cond_init returned\n"); - - return TRUE; -} - - -/* - * GetWindowName - Retrieve the title of an X Window - */ - -static void -GetWindowName (Display *pDisplay, Window iWin, char **ppName) -{ - int nResult, nNum; - char **ppList; - XTextProperty xtpName; - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("GetWindowName\n"); -#endif - - /* Intialize ppName to NULL */ - *ppName = NULL; - - /* Try to get --- */ - nResult = XGetWMName (pDisplay, iWin, &xtpName); - if (!nResult || !xtpName.value || !xtpName.nitems) - { -#if CYGMULTIWINDOW_DEBUG - ErrorF ("GetWindowName - XGetWMName failed. No name.\n"); -#endif - return; - } - - /* */ - if (xtpName.encoding == XA_STRING) - { - /* */ - if (xtpName.value) - { - int size = xtpName.nitems * (xtpName.format >> 3); - *ppName = malloc(size + 1); - strncpy(*ppName, xtpName.value, size); - (*ppName)[size] = 0; - XFree (xtpName.value); - } - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("GetWindowName - XA_STRING %s\n", *ppName); -#endif - } - else - { - XmbTextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum); - - /* */ - if (nNum && ppList && *ppList) - { - *ppName = strdup (*ppList); - XFreeStringList (ppList); - } - XFree (xtpName.value); - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("GetWindowName - %s %s\n", - XGetAtomName (pDisplay, xtpName.encoding), *ppName); -#endif - } - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("GetWindowName - Returning\n"); -#endif -} - - -/* - * Send a message to the X server from the WM thread - */ - -static int -SendXMessage (Display *pDisplay, Window iWin, Atom atmType, long nData) -{ - XEvent e; - - /* Prepare the X event structure */ - e.type = ClientMessage; - e.xclient.window = iWin; - e.xclient.message_type = atmType; - e.xclient.format = 32; - e.xclient.data.l[0] = nData; - e.xclient.data.l[1] = CurrentTime; - - /* Send the event to X */ - return XSendEvent (pDisplay, iWin, False, NoEventMask, &e); -} - - -/* - * Updates the name of a HWND according to its X WM_NAME property - */ - -static void -UpdateName (WMInfoPtr pWMInfo, Window iWindow) -{ - char *pszName; - Atom atmType; - int fmtRet; - unsigned long items, remain; - HWND *retHwnd, hWnd; - XWindowAttributes attr; - - hWnd = 0; - - /* See if we can get the cached HWND for this window... */ - if (XGetWindowProperty (pWMInfo->pDisplay, - iWindow, - pWMInfo->atmPrivMap, - 0, - 1, - False, - XA_INTEGER,//pWMInfo->atmPrivMap, - &atmType, - &fmtRet, - &items, - &remain, - (unsigned char **) &retHwnd) == Success) - { - if (retHwnd) - { - hWnd = *retHwnd; - XFree (retHwnd); - } - } - - /* Some sanity checks */ - if (!hWnd) return; - if (!IsWindow (hWnd)) return; - - /* Set the Windows window name */ - GetWindowName (pWMInfo->pDisplay, iWindow, &pszName); - if (pszName) - { - /* Get the window attributes */ - XGetWindowAttributes (pWMInfo->pDisplay, - iWindow, - &attr); - if (!attr.override_redirect) - { - SetWindowText (hWnd, pszName); - winUpdateIcon (iWindow); - } - - free (pszName); - } -} - - -#if 0 -/* - * Fix up any differences between the X11 and Win32 window stacks - * starting at the window passed in - */ -static void -PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction) -{ - Atom atmType; - int fmtRet; - unsigned long items, remain; - HWND hWnd, *retHwnd; - DWORD myWinProcID, winProcID; - Window xWindow; - WINDOWPLACEMENT wndPlace; - - hWnd = NULL; - /* See if we can get the cached HWND for this window... */ - if (XGetWindowProperty (pWMInfo->pDisplay, - iWindow, - pWMInfo->atmPrivMap, - 0, - 1, - False, - XA_INTEGER,//pWMInfo->atmPrivMap, - &atmType, - &fmtRet, - &items, - &remain, - (unsigned char **) &retHwnd) == Success) - { - if (retHwnd) - { - hWnd = *retHwnd; - XFree (retHwnd); - } - } - - if (!hWnd) return; - - GetWindowThreadProcessId (hWnd, &myWinProcID); - hWnd = GetNextWindow (hWnd, direction); - - while (hWnd) { - GetWindowThreadProcessId (hWnd, &winProcID); - if (winProcID == myWinProcID) - { - wndPlace.length = sizeof(WINDOWPLACEMENT); - GetWindowPlacement (hWnd, &wndPlace); - if ( !(wndPlace.showCmd==SW_HIDE || - wndPlace.showCmd==SW_MINIMIZE) ) - { - xWindow = (Window)GetProp (hWnd, WIN_WID_PROP); - if (xWindow) - { - if (direction==GW_HWNDPREV) - XRaiseWindow (pWMInfo->pDisplay, xWindow); - else - XLowerWindow (pWMInfo->pDisplay, xWindow); - } - } - } - hWnd = GetNextWindow(hWnd, direction); - } -} -#endif /* PreserveWin32Stack */ - - -/* - * winMultiWindowWMProc - */ - -static void * -winMultiWindowWMProc (void *pArg) -{ - WMProcArgPtr pProcArg = (WMProcArgPtr)pArg; - WMInfoPtr pWMInfo = pProcArg->pWMInfo; - - /* Initialize the Window Manager */ - winInitMultiWindowWM (pWMInfo, pProcArg); - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("winMultiWindowWMProc ()\n"); -#endif - - /* Loop until we explicity break out */ - for (;;) - { - WMMsgNodePtr pNode; - - if(g_fAnotherWMRunnig)/* Another Window manager exists. */ - { - Sleep (1000); - continue; - } - - /* Pop a message off of our queue */ - pNode = PopMessage (&pWMInfo->wmMsgQueue, pWMInfo); - if (pNode == NULL) - { - /* Bail if PopMessage returns without a message */ - /* NOTE: Remember that PopMessage is a blocking function. */ - ErrorF ("winMultiWindowWMProc - Queue is Empty? Exiting.\n"); - pthread_exit (NULL); - } - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("winMultiWindowWMProc - %d ms MSG: %d ID: %d\n", - GetTickCount (), (int)pNode->msg.msg, (int)pNode->msg.dwID); -#endif - - /* Branch on the message type */ - switch (pNode->msg.msg) - { -#if 0 - case WM_WM_MOVE: - ErrorF ("\tWM_WM_MOVE\n"); - break; - - case WM_WM_SIZE: - ErrorF ("\tWM_WM_SIZE\n"); - break; -#endif - - case WM_WM_RAISE: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_RAISE\n"); -#endif - /* Raise the window */ - XRaiseWindow (pWMInfo->pDisplay, pNode->msg.iWindow); -#if 0 - PreserveWin32Stack (pWMInfo, pNode->msg.iWindow, GW_HWNDPREV); -#endif - break; - - case WM_WM_LOWER: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_LOWER\n"); -#endif - - /* Lower the window */ - XLowerWindow (pWMInfo->pDisplay, pNode->msg.iWindow); - break; - - case WM_WM_MAP: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_MAP\n"); -#endif - /* Put a note as to the HWND associated with this Window */ - XChangeProperty (pWMInfo->pDisplay, - pNode->msg.iWindow, - pWMInfo->atmPrivMap, - XA_INTEGER,//pWMInfo->atmPrivMap, - 32, - PropModeReplace, - (unsigned char *) &(pNode->msg.hwndWindow), - 1); - UpdateName (pWMInfo, pNode->msg.iWindow); - winUpdateIcon (pNode->msg.iWindow); -#if 0 - /* Handles the case where there are AOT windows above it in W32 */ - PreserveWin32Stack (pWMInfo, pNode->msg.iWindow, GW_HWNDPREV); -#endif - break; - - case WM_WM_UNMAP: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_UNMAP\n"); -#endif - - /* Unmap the window */ - XUnmapWindow (pWMInfo->pDisplay, pNode->msg.iWindow); - break; - - case WM_WM_KILL: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_KILL\n"); -#endif - { - int i, n, found = 0; - Atom *protocols; - - /* --- */ - if (XGetWMProtocols (pWMInfo->pDisplay, - pNode->msg.iWindow, - &protocols, - &n)) - { - for (i = 0; i < n; ++i) - if (protocols[i] == pWMInfo->atmWmDelete) - ++found; - - XFree (protocols); - } - - /* --- */ - if (found) - SendXMessage (pWMInfo->pDisplay, - pNode->msg.iWindow, - pWMInfo->atmWmProtos, - pWMInfo->atmWmDelete); - else - XKillClient (pWMInfo->pDisplay, - pNode->msg.iWindow); - } - break; - - case WM_WM_ACTIVATE: -#if CYGMULTIWINDOW_DEBUG - ErrorF ("\tWM_WM_ACTIVATE\n"); -#endif - - /* Set the input focus */ - XSetInputFocus (pWMInfo->pDisplay, - pNode->msg.iWindow, - RevertToPointerRoot, - CurrentTime); - break; - - case WM_WM_NAME_EVENT: - UpdateName (pWMInfo, pNode->msg.iWindow); - break; - - case WM_WM_HINTS_EVENT: - winUpdateIcon (pNode->msg.iWindow); - break; - - case WM_WM_CHANGE_STATE: - /* Minimize the window in Windows */ - winMinimizeWindow (pNode->msg.iWindow); - break; - - default: - ErrorF ("winMultiWindowWMProc - Unknown Message. Exiting.\n"); - pthread_exit (NULL); - break; - } - - /* Free the retrieved message */ - free (pNode); - - /* Flush any pending events on our display */ - XFlush (pWMInfo->pDisplay); - } - - /* Free the condition variable */ - pthread_cond_destroy (&pWMInfo->wmMsgQueue.pcNotEmpty); - - /* Free the mutex variable */ - pthread_mutex_destroy (&pWMInfo->wmMsgQueue.pmMutex); - - /* Free the passed-in argument */ - free (pProcArg); - -#if CYGMULTIWINDOW_DEBUG - ErrorF("-winMultiWindowWMProc ()\n"); -#endif -} - - -/* - * X message procedure - */ - -static void * -winMultiWindowXMsgProc (void *pArg) -{ - winWMMessageRec msg; - XMsgProcArgPtr pProcArg = (XMsgProcArgPtr) pArg; - char pszDisplay[512]; - int iRetries; - XEvent event; - Atom atmWmName; - Atom atmWmHints; - Atom atmWmChange; - int iReturn; - XIconSize *xis; - - ErrorF ("winMultiWindowXMsgProc - Hello\n"); - - /* Check that argument pointer is not invalid */ - if (pProcArg == NULL) - { - ErrorF ("winMultiWindowXMsgProc - pProcArg is NULL. Exiting.\n"); - pthread_exit (NULL); - } - - ErrorF ("winMultiWindowXMsgProc - Calling pthread_mutex_lock ()\n"); - - /* Grab the server started mutex - pause until we get it */ - iReturn = pthread_mutex_lock (pProcArg->ppmServerStarted); - if (iReturn != 0) - { - ErrorF ("winMultiWindowXMsgProc - pthread_mutex_lock () failed: %d. " - "Exiting.\n", - iReturn); - pthread_exit (NULL); - } - - ErrorF ("winMultiWindowXMsgProc - pthread_mutex_lock () returned.\n"); - - /* Allow multiple threads to access Xlib */ - if (XInitThreads () == 0) - { - ErrorF ("winMultiWindowXMsgProc - XInitThreads () failed. Exiting.\n"); - pthread_exit (NULL); - } - - /* See if X supports the current locale */ - if (XSupportsLocale () == False) - { - ErrorF ("winMultiWindowXMsgProc - Locale not supported by X. " - "Exiting.\n"); - pthread_exit (NULL); - } - - /* Release the server started mutex */ - pthread_mutex_unlock (pProcArg->ppmServerStarted); - - ErrorF ("winMultiWindowXMsgProc - pthread_mutex_unlock () returned.\n"); - - /* Set jump point for IO Error exits */ - iReturn = setjmp (g_jmpXMsgProcEntry); - - /* Check if we should continue operations */ - if (iReturn != WIN_JMP_ERROR_IO - && iReturn != WIN_JMP_OKAY) - { - /* setjmp returned an unknown value, exit */ - ErrorF ("winInitMultiWindowXMsgProc - setjmp returned: %d. Exiting.\n", - iReturn); - pthread_exit (NULL); - } - else if (iReturn == WIN_JMP_ERROR_IO) - { - ErrorF ("winInitMultiWindowXMsgProc - Caught IO Error. Exiting.\n"); - pthread_exit (NULL); - } - - /* Install our error handler */ - XSetErrorHandler (winMultiWindowXMsgProcErrorHandler); - XSetIOErrorHandler (winMultiWindowXMsgProcIOErrorHandler); - - /* Setup the display connection string x */ - snprintf (pszDisplay, - 512, "127.0.0.1:%s.%d", display, (int)pProcArg->dwScreen); - - /* Print the display connection string */ - ErrorF ("winMultiWindowXMsgProc - DISPLAY=%s\n", pszDisplay); - - /* Initialize retry count */ - iRetries = 0; - - /* Open the X display */ - do - { - /* Try to open the display */ - pProcArg->pDisplay = XOpenDisplay (pszDisplay); - if (pProcArg->pDisplay == NULL) - { - ErrorF ("winMultiWindowXMsgProc - Could not open display, try: %d, " - "sleeping: %d\n\f", - iRetries + 1, WIN_CONNECT_DELAY); - ++iRetries; - sleep (WIN_CONNECT_DELAY); - continue; - } - else - break; - } - while (pProcArg->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES); - - /* Make sure that the display opened */ - if (pProcArg->pDisplay == NULL) - { - ErrorF ("winMultiWindowXMsgProc - Failed opening the display. " - "Exiting.\n"); - pthread_exit (NULL); - } - - ErrorF ("winMultiWindowXMsgProc - XOpenDisplay () returned and " - "successfully opened the display.\n"); - - /* Check if another window manager is already running */ - if (pProcArg->pWMInfo->fAllowOtherWM) - { - g_fAnotherWMRunnig = CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen); - } else { - redirectError = FALSE; - XSetErrorHandler (winRedirectErrorHandler); - XSelectInput(pProcArg->pDisplay, - RootWindow (pProcArg->pDisplay, pProcArg->dwScreen), - SubstructureNotifyMask | ButtonPressMask); - XSync (pProcArg->pDisplay, 0); - XSetErrorHandler (winMultiWindowXMsgProcErrorHandler); - if (redirectError) - { - ErrorF ("winMultiWindowXMsgProc - " - "another window manager is running. Exiting.\n"); - pthread_exit (NULL); - } - g_fAnotherWMRunnig = FALSE; - } - - /* Set up the supported icon sizes */ - xis = XAllocIconSize (); - if (xis) - { - xis->min_width = xis->min_height = 16; - xis->max_width = xis->max_height = 48; - xis->width_inc = xis->height_inc = 16; - XSetIconSizes (pProcArg->pDisplay, - RootWindow (pProcArg->pDisplay, pProcArg->dwScreen), - xis, - 1); - XFree (xis); - } - - atmWmName = XInternAtom (pProcArg->pDisplay, - "WM_NAME", - False); - atmWmHints = XInternAtom (pProcArg->pDisplay, - "WM_HINTS", - False); - atmWmChange = XInternAtom (pProcArg->pDisplay, - "WM_CHANGE_STATE", - False); - - /* Loop until we explicitly break out */ - while (1) - { - if (g_shutdown) - break; - - if (pProcArg->pWMInfo->fAllowOtherWM && !XPending (pProcArg->pDisplay)) - { - if (CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen)) - { - if (!g_fAnotherWMRunnig) - { - g_fAnotherWMRunnig = TRUE; - SendMessage(*(HWND*)pProcArg->hwndScreen, WM_UNMANAGE, 0, 0); - } - } - else - { - if (g_fAnotherWMRunnig) - { - g_fAnotherWMRunnig = FALSE; - SendMessage(*(HWND*)pProcArg->hwndScreen, WM_MANAGE, 0, 0); - } - } - Sleep (500); - continue; - } - - /* Fetch next event */ - XNextEvent (pProcArg->pDisplay, &event); - - /* Branch on event type */ - if (event.type == CreateNotify) - { - XWindowAttributes attr; - - XSelectInput (pProcArg->pDisplay, - event.xcreatewindow.window, - PropertyChangeMask); - - /* Get the window attributes */ - XGetWindowAttributes (pProcArg->pDisplay, - event.xcreatewindow.window, - &attr); - - if (!attr.override_redirect) - XSetWindowBorderWidth(pProcArg->pDisplay, - event.xcreatewindow.window, - 0); - } - else if (event.type == PropertyNotify - && event.xproperty.atom == atmWmName) - { - memset (&msg, 0, sizeof (msg)); - - msg.msg = WM_WM_NAME_EVENT; - msg.iWindow = event.xproperty.window; - - /* Other fields ignored */ - winSendMessageToWM (pProcArg->pWMInfo, &msg); - } - else if (event.type == PropertyNotify - && event.xproperty.atom == atmWmHints) - { - memset (&msg, 0, sizeof (msg)); - - msg.msg = WM_WM_HINTS_EVENT; - msg.iWindow = event.xproperty.window; - - /* Other fields ignored */ - winSendMessageToWM (pProcArg->pWMInfo, &msg); - } - else if (event.type == ClientMessage - && event.xclient.message_type == atmWmChange - && event.xclient.data.l[0] == IconicState) - { - ErrorF ("winMultiWindowXMsgProc - WM_CHANGE_STATE - IconicState\n"); - - memset (&msg, 0, sizeof (msg)); - - msg.msg = WM_WM_CHANGE_STATE; - msg.iWindow = event.xclient.window; - - winSendMessageToWM (pProcArg->pWMInfo, &msg); - } - } - - XCloseDisplay (pProcArg->pDisplay); - pthread_exit (NULL); - -} - - -/* - * winInitWM - Entry point for the X server to spawn - * the Window Manager thread. Called from - * winscrinit.c/winFinishScreenInitFB (). - */ - -Bool -winInitWM (void **ppWMInfo, - pthread_t *ptWMProc, - pthread_t *ptXMsgProc, - pthread_mutex_t *ppmServerStarted, - int dwScreen, - HWND hwndScreen, - BOOL allowOtherWM) -{ - WMProcArgPtr pArg = (WMProcArgPtr) malloc (sizeof(WMProcArgRec)); - WMInfoPtr pWMInfo = (WMInfoPtr) malloc (sizeof(WMInfoRec)); - XMsgProcArgPtr pXMsgArg = (XMsgProcArgPtr) malloc (sizeof(XMsgProcArgRec)); - - /* Bail if the input parameters are bad */ - if (pArg == NULL || pWMInfo == NULL) - { - ErrorF ("winInitWM - malloc failed.\n"); - return FALSE; - } - - /* Zero the allocated memory */ - ZeroMemory (pArg, sizeof (WMProcArgRec)); - ZeroMemory (pWMInfo, sizeof (WMInfoRec)); - ZeroMemory (pXMsgArg, sizeof (XMsgProcArgRec)); - - /* Set a return pointer to the Window Manager info structure */ - *ppWMInfo = pWMInfo; - pWMInfo->fAllowOtherWM = allowOtherWM; - - /* Setup the argument structure for the thread function */ - pArg->dwScreen = dwScreen; - pArg->pWMInfo = pWMInfo; - pArg->ppmServerStarted = ppmServerStarted; - - /* Intialize the message queue */ - if (!InitQueue (&pWMInfo->wmMsgQueue)) - { - ErrorF ("winInitWM - InitQueue () failed.\n"); - return FALSE; - } - - /* Spawn a thread for the Window Manager */ - if (pthread_create (ptWMProc, NULL, winMultiWindowWMProc, pArg)) - { - /* Bail if thread creation failed */ - ErrorF ("winInitWM - pthread_create failed for Window Manager.\n"); - return FALSE; - } - - /* Spawn the XNextEvent thread, will send messages to WM */ - pXMsgArg->dwScreen = dwScreen; - pXMsgArg->pWMInfo = pWMInfo; - pXMsgArg->ppmServerStarted = ppmServerStarted; - pXMsgArg->hwndScreen = hwndScreen; - if (pthread_create (ptXMsgProc, NULL, winMultiWindowXMsgProc, pXMsgArg)) - { - /* Bail if thread creation failed */ - ErrorF ("winInitWM - pthread_create failed on XMSG.\n"); - return FALSE; - } - -#if CYGDEBUG || YES - winDebug ("winInitWM - Returning.\n"); -#endif - - return TRUE; -} - - -/* - * Window manager thread - setup - */ - -static void -winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg) -{ - int iRetries = 0; - char pszDisplay[512]; - int iReturn; - - ErrorF ("winInitMultiWindowWM - Hello\n"); - - /* Check that argument pointer is not invalid */ - if (pProcArg == NULL) - { - ErrorF ("winInitMultiWindowWM - pProcArg is NULL. Exiting.\n"); - pthread_exit (NULL); - } - - ErrorF ("winInitMultiWindowWM - Calling pthread_mutex_lock ()\n"); - - /* Grab our garbage mutex to satisfy pthread_cond_wait */ - iReturn = pthread_mutex_lock (pProcArg->ppmServerStarted); - if (iReturn != 0) - { - ErrorF ("winInitMultiWindowWM - pthread_mutex_lock () failed: %d. " - "Exiting.\n", - iReturn); - pthread_exit (NULL); - } - - ErrorF ("winInitMultiWindowWM - pthread_mutex_lock () returned.\n"); - - /* Allow multiple threads to access Xlib */ - if (XInitThreads () == 0) - { - ErrorF ("winInitMultiWindowWM - XInitThreads () failed. Exiting.\n"); - pthread_exit (NULL); - } - - /* See if X supports the current locale */ - if (XSupportsLocale () == False) - { - ErrorF ("winInitMultiWindowWM - Locale not supported by X. Exiting.\n"); - pthread_exit (NULL); - } - - /* Release the server started mutex */ - pthread_mutex_unlock (pProcArg->ppmServerStarted); - - ErrorF ("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n"); - - /* Set jump point for IO Error exits */ - iReturn = setjmp (g_jmpWMEntry); - - /* Check if we should continue operations */ - if (iReturn != WIN_JMP_ERROR_IO - && iReturn != WIN_JMP_OKAY) - { - /* setjmp returned an unknown value, exit */ - ErrorF ("winInitMultiWindowWM - setjmp returned: %d. Exiting.\n", - iReturn); - pthread_exit (NULL); - } - else if (iReturn == WIN_JMP_ERROR_IO) - { - ErrorF ("winInitMultiWindowWM - Caught IO Error. Exiting.\n"); - pthread_exit (NULL); - } - - /* Install our error handler */ - XSetErrorHandler (winMultiWindowWMErrorHandler); - XSetIOErrorHandler (winMultiWindowWMIOErrorHandler); - - /* Setup the display connection string x */ - snprintf (pszDisplay, - 512, - "127.0.0.1:%s.%d", - display, - (int) pProcArg->dwScreen); - - /* Print the display connection string */ - ErrorF ("winInitMultiWindowWM - DISPLAY=%s\n", pszDisplay); - - /* Open the X display */ - do - { - /* Try to open the display */ - pWMInfo->pDisplay = XOpenDisplay (pszDisplay); - if (pWMInfo->pDisplay == NULL) - { - ErrorF ("winInitMultiWindowWM - Could not open display, try: %d, " - "sleeping: %d\n\f", - iRetries + 1, WIN_CONNECT_DELAY); - ++iRetries; - sleep (WIN_CONNECT_DELAY); - continue; - } - else - break; - } - while (pWMInfo->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES); - - /* Make sure that the display opened */ - if (pWMInfo->pDisplay == NULL) - { - ErrorF ("winInitMultiWindowWM - Failed opening the display. " - "Exiting.\n"); - pthread_exit (NULL); - } - - ErrorF ("winInitMultiWindowWM - XOpenDisplay () returned and " - "successfully opened the display.\n"); - - - /* Create some atoms */ - pWMInfo->atmWmProtos = XInternAtom (pWMInfo->pDisplay, - "WM_PROTOCOLS", - False); - pWMInfo->atmWmDelete = XInternAtom (pWMInfo->pDisplay, - "WM_DELETE_WINDOW", - False); -#ifdef XWIN_MULTIWINDOWEXTWM - pWMInfo->atmPrivMap = XInternAtom (pWMInfo->pDisplay, - WINDOWSWM_NATIVE_HWND, - False); -#endif - - - if (1) { - Cursor cursor = XCreateFontCursor (pWMInfo->pDisplay, XC_left_ptr); - if (cursor) - { - XDefineCursor (pWMInfo->pDisplay, DefaultRootWindow(pWMInfo->pDisplay), cursor); - XFreeCursor (pWMInfo->pDisplay, cursor); - } - } -} - - -/* - * winSendMessageToWM - Send a message from the X thread to the WM thread - */ - -void -winSendMessageToWM (void *pWMInfo, winWMMessagePtr pMsg) -{ - WMMsgNodePtr pNode; - -#if CYGMULTIWINDOW_DEBUG - ErrorF ("winSendMessageToWM ()\n"); -#endif - - pNode = (WMMsgNodePtr)malloc(sizeof(WMMsgNodeRec)); - if (pNode != NULL) - { - memcpy (&pNode->msg, pMsg, sizeof(winWMMessageRec)); - PushMessage (&((WMInfoPtr)pWMInfo)->wmMsgQueue, pNode); - } -} - - -/* - * Window manager error handler - */ - -static int -winMultiWindowWMErrorHandler (Display *pDisplay, XErrorEvent *pErr) -{ - char pszErrorMsg[100]; - - if (pErr->request_code == X_ChangeWindowAttributes - && pErr->error_code == BadAccess) - { - ErrorF ("winMultiWindowWMErrorHandler - ChangeWindowAttributes " - "BadAccess.\n"); - return 0; - } - - XGetErrorText (pDisplay, - pErr->error_code, - pszErrorMsg, - sizeof (pszErrorMsg)); - ErrorF ("winMultiWindowWMErrorHandler - ERROR: %s\n", pszErrorMsg); - - return 0; -} - - -/* - * Window manager IO error handler - */ - -static int -winMultiWindowWMIOErrorHandler (Display *pDisplay) -{ - ErrorF ("\nwinMultiWindowWMIOErrorHandler!\n\n"); - - if (g_shutdown) - pthread_exit(NULL); - - /* Restart at the main entry point */ - longjmp (g_jmpWMEntry, WIN_JMP_ERROR_IO); - - return 0; -} - - -/* - * X message procedure error handler - */ - -static int -winMultiWindowXMsgProcErrorHandler (Display *pDisplay, XErrorEvent *pErr) -{ - char pszErrorMsg[100]; - - XGetErrorText (pDisplay, - pErr->error_code, - pszErrorMsg, - sizeof (pszErrorMsg)); - ErrorF ("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n", pszErrorMsg); - - return 0; -} - - -/* - * X message procedure IO error handler - */ - -static int -winMultiWindowXMsgProcIOErrorHandler (Display *pDisplay) -{ - ErrorF ("\nwinMultiWindowXMsgProcIOErrorHandler!\n\n"); - - /* Restart at the main entry point */ - longjmp (g_jmpXMsgProcEntry, WIN_JMP_ERROR_IO); - - return 0; -} - - -/* - * Catch RedirectError to detect other window manager running - */ - -static int -winRedirectErrorHandler (Display *pDisplay, XErrorEvent *pErr) -{ - redirectError = TRUE; - return 0; -} - - -/* - * Check if another window manager is running - */ - -static Bool -CheckAnotherWindowManager (Display *pDisplay, DWORD dwScreen) -{ - redirectError = FALSE; - XSetErrorHandler (winRedirectErrorHandler); - XSelectInput(pDisplay, RootWindow (pDisplay, dwScreen), - // SubstructureNotifyMask | ButtonPressMask - ColormapChangeMask | EnterWindowMask | PropertyChangeMask | - SubstructureRedirectMask | KeyPressMask | - ButtonPressMask | ButtonReleaseMask); - XSync (pDisplay, 0); - XSetErrorHandler (winMultiWindowXMsgProcErrorHandler); - XSelectInput(pDisplay, RootWindow (pDisplay, dwScreen), - SubstructureNotifyMask); - XSync (pDisplay, 0); - if (redirectError) - { - //ErrorF ("CheckAnotherWindowManager() - another window manager is running. Exiting.\n"); - return TRUE; - } - else - { - return FALSE; - } -} - -/* - * Notify the MWM thread we're exiting and not to reconnect - */ - -void -winDeinitMultiWindowWM () -{ - ErrorF ("winDeinitMultiWindowWM - Noting shutdown in progress\n"); - g_shutdown = TRUE; -} |