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Diffstat (limited to 'xorg-server/hw/xwin/winmultiwindowwm.c')
-rw-r--r--xorg-server/hw/xwin/winmultiwindowwm.c3542
1 files changed, 1755 insertions, 1787 deletions
diff --git a/xorg-server/hw/xwin/winmultiwindowwm.c b/xorg-server/hw/xwin/winmultiwindowwm.c
index 67a58a076..015192070 100644
--- a/xorg-server/hw/xwin/winmultiwindowwm.c
+++ b/xorg-server/hw/xwin/winmultiwindowwm.c
@@ -1,1787 +1,1755 @@
-/*
- *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 <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>
-#include <X11/Xwindows.h>
-
-/* Local headers */
-#include "objbase.h"
-#include "ddraw.h"
-#include "winwindow.h"
-#include "winprefs.h"
-#include "window.h"
-#include "pixmapstr.h"
-#include "windowstr.h"
-
-#ifdef XWIN_MULTIWINDOWEXTWM
-#include <X11/extensions/windowswmstr.h>
-#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
-
-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 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, wchar_t **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, Bool fAllowOtherWM);
-
-static void
-winApplyHints (Display *pDisplay, Window iWindow, HWND hWnd, HWND *zstyle);
-
-void
-winUpdateWindowPosition (HWND hWnd, Bool reshape, HWND *zstyle);
-
-/*
- * Local globals
- */
-
-static jmp_buf g_jmpWMEntry;
-static jmp_buf g_jmpXMsgProcEntry;
-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
- 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, wchar_t **ppName)
-{
- int nResult, nNum;
- char **ppList;
- char *pszReturnData;
- int iLen, i;
- 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 (Xutf8TextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum) >= Success && nNum > 0 && *ppList)
- {
- iLen = 0;
- for (i = 0; i < nNum; i++) iLen += strlen(ppList[i]);
- pszReturnData = (char *) malloc (iLen + 1);
- pszReturnData[0] = '\0';
- for (i = 0; i < nNum; i++) strcat (pszReturnData, ppList[i]);
- if (ppList) XFreeStringList (ppList);
- }
- else
- {
- pszReturnData = (char *) malloc (1);
- pszReturnData[0] = '\0';
- }
- iLen = MultiByteToWideChar (CP_UTF8, 0, pszReturnData, -1, NULL, 0);
- *ppName = (wchar_t*)malloc(sizeof(wchar_t)*(iLen + 1));
- MultiByteToWideChar (CP_UTF8, 0, pszReturnData, -1, *ppName, iLen);
- XFree (xtpName.value);
- free (pszReturnData);
-
-#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)
-{
- wchar_t *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)
- {
- SetWindowTextW (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 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 - %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);
- break;
-
- case WM_WM_MAP2:
-#if CYGMULTIWINDOW_DEBUG
- ErrorF ("\tWM_WM_MAP2\n");
-#endif
- XChangeProperty (pWMInfo->pDisplay,
- pNode->msg.iWindow,
- pWMInfo->atmPrivMap,
- XA_INTEGER,//pWMInfo->atmPrivMap,
- 32,
- PropModeReplace,
- (unsigned char *) &(pNode->msg.hwndWindow),
- 1);
- 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,//pWMInfo->atmPrivMap,
- 32,
- PropModeReplace,
- (unsigned char *) &(pNode->msg.hwndWindow),
- 1);
- UpdateName (pWMInfo, pNode->msg.iWindow);
- winUpdateIcon (pNode->msg.iWindow);
- {
- HWND zstyle = HWND_NOTOPMOST;
- winApplyHints (pWMInfo->pDisplay, pNode->msg.iWindow, pNode->msg.hwndWindow, &zstyle);
- winUpdateWindowPosition (pNode->msg.hwndWindow, TRUE, &zstyle);
- }
- 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
- 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;
- 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 - Warning: locale not supported by X\n");
- }
-
- /* 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);
-
- /* 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);
-
- /*
- 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(*(HWND*)pProcArg->hwndScreen, WM_UNMANAGE, 0, 0);
- }
- }
- else
- {
- if (g_fAnotherWMRunning)
- {
- g_fAnotherWMRunning = 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 == 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
- && 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);
- 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 = (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 - Warning: Locale not supported by X.\n");
- }
-
- /* 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);
-
- /* 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->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 = (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 ("winMultiWindowWMIOErrorHandler!\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));
-#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\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, 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)
-/* 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;
- static Atom dockWindow;
- static int generation;
- Atom type, *pAtom = NULL;
- int format;
- unsigned long hint = 0, maxmin = 0, style, nitems = 0 , left = 0;
- 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);
- }
-
- if (XGetWindowProperty(pDisplay, iWindow, windowState, 0L,
- 1L, False, XA_ATOM, &type, &format,
- &nitems, &left, (unsigned char **)&pAtom) == Success)
- {
- if (pAtom && nitems == 1)
- {
- if (*pAtom == hiddenState) maxmin |= HINT_MIN;
- else if (*pAtom == fullscreenState) maxmin |= HINT_MAX;
- if (*pAtom == belowState) *zstyle = HWND_BOTTOM;
- else if (*pAtom == aboveState) *zstyle = HWND_TOPMOST;
- }
- if (pAtom) 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;
- 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) 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_SIZEBOX; /* Xming puts a sizebox on dock windows */
- *zstyle = HWND_TOPMOST;
- }
- }
- if (pAtom) XFree(pAtom);
- }
-
- {
- XSizeHints *normal_hint = XAllocSizeHints();
- long supplied;
- if (normal_hint && (XGetWMNormalHints(pDisplay, iWindow, normal_hint, &supplied) == Success))
- {
- 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 */
- {
- XClassHint class_hint = {0,0};
- char *window_name = 0;
-
- if (XGetClassHint(pDisplay, iWindow, &class_hint))
- {
- XFetchName(pDisplay, iWindow, &window_name);
-
- style = winOverrideStyle(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);
- }
- 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) & ~WS_CAPTION & ~WS_SIZEBOX; /* Just in case */
- if (!style) return;
-
- if (!hint) /* All on */
- style = style | WS_CAPTION | WS_SIZEBOX;
- else if (hint & HINT_NOFRAME) /* All off */
- 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;
-
- SetWindowLongPtr (hWnd, GWL_STYLE, style);
-}
-
-void
-winUpdateWindowPosition (HWND hWnd, Bool reshape, 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);
-
-#if 0
- ErrorF ("winUpdateWindowPosition - (%d, %d)-(%d, %d)\n",
- rcNew.left, rcNew.top,
- rcNew.right, rcNew.bottom);
-#endif
-
- AdjustWindowRectEx (&rcNew, GetWindowLongPtr (hWnd, GWL_STYLE), FALSE, WS_EX_APPWINDOW);
-
- /* 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;
- }
-
-#if 0
- ErrorF ("winUpdateWindowPosition - (%d, %d)-(%d, %d)\n",
- rcNew.left, rcNew.top,
- rcNew.right, rcNew.bottom);
-#endif
-
- /* Position the Windows window */
- SetWindowPos (hWnd, *zstyle, rcNew.left, rcNew.top,
- rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
- 0);
-
- if (reshape)
- {
- winReshapeMultiWindow(pWin);
- winUpdateRgnMultiWindow(pWin);
- }
-}
+/*
+ *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 <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 *
+#ifdef _MSC_VER
+typedef int pid_t;
+#endif
+#include <pthread.h>
+#undef HANDLE
+#include <X11/X.h>
+#include <X11/Xatom.h>
+#include <X11/Xlib.h>
+#include <X11/Xproto.h>
+#include <X11/Xutil.h>
+#include <X11/cursorfont.h>
+#include <X11/Xwindows.h>
+
+/* Local headers */
+#include "objbase.h"
+#include "ddraw.h"
+#include "winwindow.h"
+#include "winprefs.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "winmsg.h"
+#include "windowstr.h"
+#include "winmultiwindowclass.h"
+
+#ifdef XWIN_MULTIWINDOWEXTWM
+#define _WINDOWSWM_SERVER_
+#include <X11/extensions/windowswmstr.h>
+#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
+
+extern void winDebug(const char *format, ...);
+extern void winReshapeMultiWindow(WindowPtr pWin);
+extern void winUpdateRgnMultiWindow(WindowPtr pWin);
+
+/*
+ * 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;
+#ifdef _DEBUG
+ int nQueueSize;
+#endif
+} WMMsgQueueRec, *WMMsgQueuePtr;
+
+typedef struct _WMInfo {
+ Display *pDisplay;
+ WMMsgQueueRec wmMsgQueue;
+ Atom atmWmProtos;
+ Atom atmWmDelete;
+ Atom atmPrivMap;
+#ifdef XWIN_MULTIWINDOWINTWM
+ Bool fAllowOtherWM;
+#endif
+} 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, wchar_t **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 void
+winMultiWindowThreadExit(void *arg);
+
+static int
+winRedirectErrorHandler (Display *pDisplay, XErrorEvent *pErr);
+
+static void
+winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg);
+
+static Bool
+CheckAnotherWindowManager (Display *pDisplay, DWORD dwScreen, Bool fAllowOtherWM);
+
+static void
+winApplyHints (Display *pDisplay, Window iWindow, HWND hWnd, HWND *zstyle);
+
+void
+winUpdateWindowPosition (HWND hWnd, Bool reshape, 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;
+ }
+
+#ifdef _DEBUG
+ /* Increase the count of elements in the queue by one */
+ ++(pQueue->nQueueSize);
+#endif
+
+ /* Release the queue mutex */
+ pthread_mutex_unlock (&pQueue->pmMutex);
+
+ /* Signal that the queue is not empty */
+ pthread_cond_signal (&pQueue->pcNotEmpty);
+}
+
+
+#ifdef WINDBG
+/*
+ * 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;
+ }
+
+ #ifdef _DEBUG
+ /* Drop the number of elements in the queue by one */
+ --(pQueue->nQueueSize);
+
+ winDebug ("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 */
+ #ifdef _DEBUG
+ pQueue->nQueueSize = 0;
+
+ 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;
+}
+
+
+/*
+ * GetWindowName - Retrieve the title of an X Window
+ */
+
+static void
+GetWindowName (Display *pDisplay, Window iWin, wchar_t **ppName)
+{
+ int nResult, nNum;
+ char **ppList;
+ char *pszReturnData;
+ int iLen, i;
+ XTextProperty xtpName;
+
+ winDebug ("GetWindowName\n");
+
+ /* Intialize ppName to NULL */
+ *ppName = NULL;
+
+ /* Try to get --- */
+ nResult = XGetWMName (pDisplay, iWin, &xtpName);
+ if (!nResult || !xtpName.value || !xtpName.nitems)
+ {
+ ErrorF ("GetWindowName - XGetWMName failed. No name.\n");
+ return;
+ }
+
+ if (Xutf8TextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum) >= Success && nNum > 0 && *ppList)
+ {
+ iLen = 0;
+ for (i = 0; i < nNum; i++) iLen += strlen(ppList[i]);
+ pszReturnData = (char *) malloc (iLen + 1);
+ pszReturnData[0] = '\0';
+ for (i = 0; i < nNum; i++) strcat (pszReturnData, ppList[i]);
+ if (ppList) XFreeStringList (ppList);
+ }
+ else
+ {
+ pszReturnData = (char *) malloc (1);
+ pszReturnData[0] = '\0';
+ }
+ iLen = MultiByteToWideChar (CP_UTF8, 0, pszReturnData, -1, NULL, 0);
+ *ppName = (wchar_t*)malloc(sizeof(wchar_t)*(iLen + 1));
+ MultiByteToWideChar (CP_UTF8, 0, pszReturnData, -1, *ppName, iLen);
+ XFree (xtpName.value);
+ free (pszReturnData);
+ winDebug ("GetWindowName - Returning\n");
+}
+
+
+/*
+ * 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)
+{
+ wchar_t *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)
+ {
+ SetWindowTextW (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;
+
+ pthread_cleanup_push(&winMultiWindowThreadExit, NULL);
+
+ /* Initialize the Window Manager */
+ winInitMultiWindowWM (pWMInfo, pProcArg);
+
+ winDebug ("winMultiWindowWMProc ()\n");
+
+ /* Loop until we explicitly break out */
+ for (;;)
+ {
+ WMMsgNodePtr pNode;
+
+#ifdef XWIN_MULTIWINDOWINTWM
+ if(g_fAnotherWMRunning)/* Another Window manager exists. */
+ {
+ Sleep (1000);
+ continue;
+ }
+#endif
+
+ /* 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);
+ }
+
+ winDebug ("winMultiWindowWMProc - %d ms MSG: %d ID: %d\n",
+ GetTickCount (), (int)pNode->msg.msg, (int)pNode->msg.dwID);
+
+ /* Branch on the message type */
+ switch (pNode->msg.msg)
+ {
+ case WM_WM_RAISE:
+ winDebug ("\tWM_WM_RAISE\n");
+ /* Raise the window */
+ XRaiseWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+ break;
+
+ case WM_WM_LOWER:
+ winDebug ("\tWM_WM_LOWER\n");
+
+ /* Lower the window */
+ XLowerWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+ break;
+
+ case WM_WM_MAP:
+ winDebug ("\tWM_WM_MAP\n");
+ /* 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);
+ {
+ HWND zstyle = HWND_NOTOPMOST;
+ winApplyHints (pWMInfo->pDisplay, pNode->msg.iWindow, pNode->msg.hwndWindow, &zstyle);
+ winUpdateWindowPosition (pNode->msg.hwndWindow, TRUE, &zstyle);
+ }
+ break;
+
+ case WM_WM_MAP2:
+ winDebug ("\tWM_WM_MAP2\n");
+
+ XChangeProperty (pWMInfo->pDisplay,
+ pNode->msg.iWindow,
+ pWMInfo->atmPrivMap,
+ XA_INTEGER,//pWMInfo->atmPrivMap,
+ 32,
+ PropModeReplace,
+ (unsigned char *) &(pNode->msg.hwndWindow),
+ 1);
+ break;
+
+ case WM_WM_MAP3:
+ winDebug ("\tWM_WM_MAP3\n");
+
+ /* 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);
+ {
+ HWND zstyle = HWND_NOTOPMOST;
+ winApplyHints (pWMInfo->pDisplay, pNode->msg.iWindow, pNode->msg.hwndWindow, &zstyle);
+ winUpdateWindowPosition (pNode->msg.hwndWindow, TRUE, &zstyle);
+ }
+ break;
+
+ case WM_WM_UNMAP:
+ winDebug ("\tWM_WM_UNMAP\n");
+
+ /* Unmap the window */
+ XUnmapWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
+ break;
+
+ case WM_WM_KILL:
+ winDebug ("\tWM_WM_KILL\n");
+ {
+ 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:
+ winDebug ("\tWM_WM_ACTIVATE\n");
+
+ /* 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);
+
+ winDebug("-winMultiWindowWMProc ()\n");
+
+ pthread_cleanup_pop(0);
+
+ 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;
+ int iReturn;
+ XIconSize *xis;
+
+ pthread_cleanup_push(&winMultiWindowThreadExit, NULL);
+
+ 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");
+
+ /* 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 */
+ winDebug ("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)
+ {
+ winDebug ("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);
+ }
+
+ winDebug ("winMultiWindowXMsgProc - XOpenDisplay () returned and "
+ "successfully opened the display.\n");
+
+ /* Check if another window manager is already running */
+#ifdef XWIN_MULTIWINDOWINTWM
+ g_fAnotherWMRunning = CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen, pProcArg->pWMInfo->fAllowOtherWM);
+#else
+ g_fAnotherWMRunning = CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen, FALSE);
+#endif
+
+ if (g_fAnotherWMRunning
+#ifdef XWIN_MULTIWINDOWINTWM
+ && !pProcArg->pWMInfo->fAllowOtherWM
+#endif
+ )
+ {
+ 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);
+
+ /*
+ 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;
+
+#ifdef XWIN_MULTIWINDOWINTWM
+ if (pProcArg->pWMInfo->fAllowOtherWM && !XPending (pProcArg->pDisplay))
+ {
+ if (CheckAnotherWindowManager (pProcArg->pDisplay, pProcArg->dwScreen, TRUE))
+ {
+ if (!g_fAnotherWMRunning)
+ {
+ g_fAnotherWMRunning = TRUE;
+ SendMessage(*(HWND*)pProcArg->hwndScreen, WM_UNMANAGE, 0, 0);
+ }
+ }
+ else
+ {
+ if (g_fAnotherWMRunning)
+ {
+ g_fAnotherWMRunning = FALSE;
+ SendMessage(*(HWND*)pProcArg->hwndScreen, WM_MANAGE, 0, 0);
+ }
+ }
+ Sleep (500);
+ continue;
+ }
+#endif
+
+ /* Fetch next event */
+ XNextEvent (pProcArg->pDisplay, &event);
+
+ /* Branch on event type */
+ if (event.type == MapNotify /* 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 && attr.class != InputOnly)
+ 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;
+ event_send.xreparent.override_redirect = False;
+
+ 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
+ && 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)
+ {
+ winDebug ("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_cleanup_pop(0);
+ 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 = (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;
+#ifdef XWIN_MULTIWINDOWINTWM
+ pWMInfo->fAllowOtherWM = allowOtherWM;
+#endif
+
+ /* 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;
+ }
+
+ winDebug ("winInitWM - Returning.\n");
+
+ 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);
+ }
+
+ 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");
+
+ /* 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 */
+ winDebug ("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);
+ }
+
+ winDebug ("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->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;
+
+ winDebug ("winSendMessageToWM ()\n");
+
+ 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"
+ " errorCode %d\n"
+ " serial %d\n"
+ " resourceID 0x%x\n"
+ " majorCode %d\n"
+ " minorCode %d\n"
+ , pszErrorMsg
+ , pErr->error_code
+ , pErr->serial
+ , pErr->resourceid
+ , pErr->request_code
+ , pErr->minor_code);
+
+ return 0;
+}
+
+
+/*
+ * Window manager IO error handler
+ */
+
+static int
+winMultiWindowWMIOErrorHandler (Display *pDisplay)
+{
+ ErrorF ("winMultiWindowWMIOErrorHandler!\n\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));
+ ErrorF ("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n"
+ " errorCode %d\n"
+ " serial %d\n"
+ " resourceID 0x%x\n"
+ " majorCode %d\n"
+ " minorCode %d\n"
+ , pszErrorMsg
+ , pErr->error_code
+ , pErr->serial
+ , pErr->resourceid
+ , pErr->request_code
+ , pErr->minor_code);
+
+ return 0;
+}
+
+
+/*
+ * X message procedure IO error handler
+ */
+
+static int
+winMultiWindowXMsgProcIOErrorHandler (Display *pDisplay)
+{
+ ErrorF ("winMultiWindowXMsgProcIOErrorHandler!\n\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;
+}
+
+/*
+ * winMultiWindowThreadExit - Thread exit handler
+ */
+
+static void
+winMultiWindowThreadExit(void *arg)
+{
+ AbortDDX();
+
+ /* multiwindow client thread has exited, stop server as well */
+ TerminateProcess(GetCurrentProcess(),1);
+}
+
+/*
+ * 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)
+{
+ winDebug ("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)
+/* 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;
+ static Atom dockWindow;
+ static int generation;
+ Atom type, *pAtom = NULL;
+ int format;
+ unsigned long hint = 0, maxmin = 0, style, nitems = 0 , left = 0;
+ WindowPtr pWin = GetProp (hWnd, WIN_WINDOW_PROP);
+ MwmHints *mwm_hint = NULL;
+ WinXSizeHints SizeHints;
+
+ 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);
+ }
+
+ if (XGetWindowProperty(pDisplay, iWindow, windowState, 0L,
+ 1L, False, XA_ATOM, &type, &format,
+ &nitems, &left, (unsigned char **)&pAtom) == Success)
+ {
+ if (pAtom && nitems == 1)
+ {
+ if (*pAtom == hiddenState) maxmin |= HINT_MIN;
+ else if (*pAtom == fullscreenState) maxmin |= HINT_MAX;
+ if (*pAtom == belowState) *zstyle = HWND_BOTTOM;
+ else if (*pAtom == aboveState) *zstyle = HWND_TOPMOST;
+ }
+ if (pAtom) 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;
+ 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) 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_SIZEBOX; /* Xming puts a sizebox on dock windows */
+ *zstyle = HWND_TOPMOST;
+ }
+ }
+ if (pAtom) XFree(pAtom);
+ }
+
+ {
+ XSizeHints *normal_hint = XAllocSizeHints();
+ long supplied;
+ if (normal_hint && (XGetWMNormalHints(pDisplay, iWindow, normal_hint, &supplied) == Success))
+ {
+ 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 */
+ {
+ XClassHint class_hint = {0,0};
+
+ if (XGetClassHint(pDisplay, iWindow, &class_hint))
+ {
+ char *window_name = 0;
+ XFetchName(pDisplay, iWindow, &window_name);
+
+ style = winOverrideStyle(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);
+ }
+ 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_CAPTION) | HINT_BORDER;
+ else if (style & STYLE_NOFRAME)
+ hint = (hint & ~HINT_BORDER & ~HINT_CAPTION) | HINT_NOFRAME;
+
+ /* Now apply styles to window */
+ style = GetWindowLongPtr(hWnd, GWL_STYLE) & ~WS_CAPTION & ~WS_SIZEBOX; /* Just in case */
+ if (!hint) /* All on, but no resize of children is allowed */
+ style = style | WS_CAPTION;
+ else if (hint & HINT_NOFRAME) /* All off */
+ 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 (!IsWindow (hWnd))
+ {
+ ErrorF("Windows window 0x%x has become invalid, so returning without applying hints\n",hWnd);
+ return;
+ }
+
+ if (winMultiWindowGetWMNormalHints(pWin, &SizeHints))
+ {
+ if (!(SizeHints.max_width&&SizeHints.max_height&&(SizeHints.min_width == SizeHints.max_width)&&(SizeHints.min_height == SizeHints.max_height) ))
+ style|=WS_SIZEBOX;
+ }
+ else
+ style|=WS_SIZEBOX;
+ SetWindowLongPtr (hWnd, GWL_STYLE, style);
+}
+
+void
+winUpdateWindowPosition (HWND hWnd, Bool reshape, 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);
+
+ AdjustWindowRectEx (&rcNew, GetWindowLongPtr (hWnd, GWL_STYLE), FALSE, WS_EX_APPWINDOW);
+
+ /* 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;
+ }
+
+ /* Position the Windows window */
+ SetWindowPos (hWnd, *zstyle, rcNew.left, rcNew.top,
+ rcNew.right - rcNew.left, rcNew.bottom - rcNew.top,
+ 0);
+
+ if (reshape)
+ {
+ winReshapeMultiWindow(pWin);
+ winUpdateRgnMultiWindow(pWin);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 01:20:26 +0000