1718 lines
50 KiB
C
1718 lines
50 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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*Copyright (C) Colin Harrison 2005-2009
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL THE XFREE86 PROJECT BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of the XFree86 Project
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from the XFree86 Project.
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*
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* Authors: Kensuke Matsuzaki
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* Colin Harrison
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*/
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/* X headers */
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#ifdef __CYGWIN__
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#include <sys/select.h>
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#endif
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#include <fcntl.h>
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#include <setjmp.h>
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#define HANDLE void *
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#include <pthread.h>
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#undef HANDLE
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#include <X11/X.h>
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#include <X11/Xatom.h>
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#include <X11/Xlib.h>
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#include <X11/Xlocale.h>
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#include <X11/Xproto.h>
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#include <X11/Xutil.h>
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#include <X11/cursorfont.h>
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#include <X11/Xwindows.h>
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/* Local headers */
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#include "objbase.h"
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#include "ddraw.h"
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#include "winwindow.h"
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#include "winprefs.h"
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#include "window.h"
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#include "pixmapstr.h"
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#include "windowstr.h"
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#ifdef XWIN_MULTIWINDOWEXTWM
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#include <X11/extensions/windowswmstr.h>
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#else
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/* We need the native HWND atom for intWM, so for consistency use the
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same name as extWM would if we were building with enabled... */
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#define WINDOWSWM_NATIVE_HWND "_WINDOWSWM_NATIVE_HWND"
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#endif
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extern void winDebug(const char *format, ...);
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extern void winReshapeMultiWindow(WindowPtr pWin);
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extern void winUpdateRgnMultiWindow(WindowPtr pWin);
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#ifndef CYGDEBUG
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#define CYGDEBUG NO
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#endif
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/*
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* Constant defines
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*/
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#define WIN_CONNECT_RETRIES 5
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#define WIN_CONNECT_DELAY 5
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#ifdef HAS_DEVWINDOWS
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#define WIN_MSG_QUEUE_FNAME "/dev/windows"
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#endif
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#define WIN_JMP_OKAY 0
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#define WIN_JMP_ERROR_IO 2
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/*
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* Local structures
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*/
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typedef struct _WMMsgNodeRec {
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winWMMessageRec msg;
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struct _WMMsgNodeRec *pNext;
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} WMMsgNodeRec, *WMMsgNodePtr;
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typedef struct _WMMsgQueueRec {
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struct _WMMsgNodeRec *pHead;
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struct _WMMsgNodeRec *pTail;
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pthread_mutex_t pmMutex;
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pthread_cond_t pcNotEmpty;
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int nQueueSize;
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} WMMsgQueueRec, *WMMsgQueuePtr;
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typedef struct _WMInfo {
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Display *pDisplay;
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WMMsgQueueRec wmMsgQueue;
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Atom atmWmProtos;
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Atom atmWmDelete;
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Atom atmPrivMap;
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Bool fAllowOtherWM;
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} WMInfoRec, *WMInfoPtr;
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typedef struct _WMProcArgRec {
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DWORD dwScreen;
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WMInfoPtr pWMInfo;
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pthread_mutex_t *ppmServerStarted;
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} WMProcArgRec, *WMProcArgPtr;
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typedef struct _XMsgProcArgRec {
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Display *pDisplay;
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DWORD dwScreen;
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WMInfoPtr pWMInfo;
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pthread_mutex_t *ppmServerStarted;
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HWND hwndScreen;
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} XMsgProcArgRec, *XMsgProcArgPtr;
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/*
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* References to external symbols
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*/
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extern char *display;
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extern void ErrorF(const char * /*f */ , ...);
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/*
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* Prototypes for local functions
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*/
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static void
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PushMessage(WMMsgQueuePtr pQueue, WMMsgNodePtr pNode);
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static WMMsgNodePtr PopMessage(WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo);
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static Bool
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InitQueue(WMMsgQueuePtr pQueue);
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static void
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GetWindowName(Display * pDpy, Window iWin, wchar_t ** ppName);
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static int
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SendXMessage(Display * pDisplay, Window iWin, Atom atmType, long nData);
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static void
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UpdateName(WMInfoPtr pWMInfo, Window iWindow);
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static void *winMultiWindowWMProc(void *pArg);
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static int
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winMultiWindowWMErrorHandler(Display * pDisplay, XErrorEvent * pErr);
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static int
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winMultiWindowWMIOErrorHandler(Display * pDisplay);
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static void *winMultiWindowXMsgProc(void *pArg);
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static int
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winMultiWindowXMsgProcErrorHandler(Display * pDisplay, XErrorEvent * pErr);
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static int
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winMultiWindowXMsgProcIOErrorHandler(Display * pDisplay);
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static int
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winRedirectErrorHandler(Display * pDisplay, XErrorEvent * pErr);
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static void
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winInitMultiWindowWM(WMInfoPtr pWMInfo, WMProcArgPtr pProcArg);
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#if 0
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static void
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PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction);
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#endif
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static Bool
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CheckAnotherWindowManager(Display * pDisplay, DWORD dwScreen,
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Bool fAllowOtherWM);
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static void
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winApplyHints(Display * pDisplay, Window iWindow, HWND hWnd, HWND * zstyle);
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void
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winUpdateWindowPosition(HWND hWnd, Bool reshape, HWND * zstyle);
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/*
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* Local globals
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*/
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static jmp_buf g_jmpWMEntry;
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static XIOErrorHandler g_winMultiWindowWMOldIOErrorHandler;
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static pthread_t g_winMultiWindowWMThread;
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static jmp_buf g_jmpXMsgProcEntry;
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static XIOErrorHandler g_winMultiWindowXMsgProcOldIOErrorHandler;
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static pthread_t g_winMultiWindowXMsgProcThread;
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static Bool g_shutdown = FALSE;
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static Bool redirectError = FALSE;
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static Bool g_fAnotherWMRunning = FALSE;
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/*
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* PushMessage - Push a message onto the queue
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*/
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static void
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PushMessage(WMMsgQueuePtr pQueue, WMMsgNodePtr pNode)
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{
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/* Lock the queue mutex */
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pthread_mutex_lock(&pQueue->pmMutex);
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pNode->pNext = NULL;
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if (pQueue->pTail != NULL) {
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pQueue->pTail->pNext = pNode;
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}
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pQueue->pTail = pNode;
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if (pQueue->pHead == NULL) {
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pQueue->pHead = pNode;
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}
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#if 0
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switch (pNode->msg.msg) {
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case WM_WM_MOVE:
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ErrorF("\tWM_WM_MOVE\n");
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break;
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case WM_WM_SIZE:
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ErrorF("\tWM_WM_SIZE\n");
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break;
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case WM_WM_RAISE:
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ErrorF("\tWM_WM_RAISE\n");
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break;
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case WM_WM_LOWER:
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ErrorF("\tWM_WM_LOWER\n");
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break;
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case WM_WM_MAP:
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ErrorF("\tWM_WM_MAP\n");
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break;
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case WM_WM_MAP2:
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ErrorF("\tWM_WM_MAP2\n");
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break;
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case WM_WM_MAP3:
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ErrorF("\tWM_WM_MAP3\n");
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break;
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case WM_WM_UNMAP:
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ErrorF("\tWM_WM_UNMAP\n");
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break;
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case WM_WM_KILL:
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ErrorF("\tWM_WM_KILL\n");
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break;
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case WM_WM_ACTIVATE:
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ErrorF("\tWM_WM_ACTIVATE\n");
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break;
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default:
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ErrorF("\tUnknown Message.\n");
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break;
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}
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#endif
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/* Increase the count of elements in the queue by one */
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++(pQueue->nQueueSize);
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/* Release the queue mutex */
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pthread_mutex_unlock(&pQueue->pmMutex);
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/* Signal that the queue is not empty */
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pthread_cond_signal(&pQueue->pcNotEmpty);
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}
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#if CYGMULTIWINDOW_DEBUG
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/*
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* QueueSize - Return the size of the queue
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*/
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static int
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QueueSize(WMMsgQueuePtr pQueue)
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{
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WMMsgNodePtr pNode;
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int nSize = 0;
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/* Loop through all elements in the queue */
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for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext)
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++nSize;
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return nSize;
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}
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#endif
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/*
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* PopMessage - Pop a message from the queue
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*/
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static WMMsgNodePtr
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PopMessage(WMMsgQueuePtr pQueue, WMInfoPtr pWMInfo)
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{
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WMMsgNodePtr pNode;
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/* Lock the queue mutex */
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pthread_mutex_lock(&pQueue->pmMutex);
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/* Wait for --- */
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while (pQueue->pHead == NULL) {
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pthread_cond_wait(&pQueue->pcNotEmpty, &pQueue->pmMutex);
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}
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pNode = pQueue->pHead;
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if (pQueue->pHead != NULL) {
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pQueue->pHead = pQueue->pHead->pNext;
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}
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if (pQueue->pTail == pNode) {
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pQueue->pTail = NULL;
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}
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/* Drop the number of elements in the queue by one */
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--(pQueue->nQueueSize);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("Queue Size %d %d\n", pQueue->nQueueSize, QueueSize(pQueue));
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#endif
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/* Release the queue mutex */
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pthread_mutex_unlock(&pQueue->pmMutex);
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return pNode;
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}
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#if 0
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/*
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* HaveMessage -
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*/
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static Bool
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HaveMessage(WMMsgQueuePtr pQueue, UINT msg, Window iWindow)
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{
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WMMsgNodePtr pNode;
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for (pNode = pQueue->pHead; pNode != NULL; pNode = pNode->pNext) {
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if (pNode->msg.msg == msg && pNode->msg.iWindow == iWindow)
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return True;
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}
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return False;
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}
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#endif
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/*
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* InitQueue - Initialize the Window Manager message queue
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*/
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static
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Bool
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InitQueue(WMMsgQueuePtr pQueue)
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{
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/* Check if the pQueue pointer is NULL */
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if (pQueue == NULL) {
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ErrorF("InitQueue - pQueue is NULL. Exiting.\n");
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return FALSE;
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}
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/* Set the head and tail to NULL */
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pQueue->pHead = NULL;
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pQueue->pTail = NULL;
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/* There are no elements initially */
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pQueue->nQueueSize = 0;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("InitQueue - Queue Size %d %d\n", pQueue->nQueueSize,
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QueueSize(pQueue));
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#endif
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ErrorF("InitQueue - Calling pthread_mutex_init\n");
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/* Create synchronization objects */
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pthread_mutex_init(&pQueue->pmMutex, NULL);
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ErrorF("InitQueue - pthread_mutex_init returned\n");
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ErrorF("InitQueue - Calling pthread_cond_init\n");
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pthread_cond_init(&pQueue->pcNotEmpty, NULL);
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ErrorF("InitQueue - pthread_cond_init returned\n");
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return TRUE;
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}
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/*
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* GetWindowName - Retrieve the title of an X Window
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*/
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static void
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GetWindowName(Display * pDisplay, Window iWin, wchar_t ** ppName)
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{
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int nResult, nNum;
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char **ppList;
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char *pszReturnData;
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int iLen, i;
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XTextProperty xtpName;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("GetWindowName\n");
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#endif
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/* Intialize ppName to NULL */
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*ppName = NULL;
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/* Try to get --- */
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nResult = XGetWMName(pDisplay, iWin, &xtpName);
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if (!nResult || !xtpName.value || !xtpName.nitems) {
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("GetWindowName - XGetWMName failed. No name.\n");
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#endif
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return;
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}
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if (Xutf8TextPropertyToTextList(pDisplay, &xtpName, &ppList, &nNum) >=
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Success && nNum > 0 && *ppList) {
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iLen = 0;
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for (i = 0; i < nNum; i++)
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iLen += strlen(ppList[i]);
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pszReturnData = (char *) malloc(iLen + 1);
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pszReturnData[0] = '\0';
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for (i = 0; i < nNum; i++)
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strcat(pszReturnData, ppList[i]);
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if (ppList)
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XFreeStringList(ppList);
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}
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else {
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pszReturnData = (char *) malloc(1);
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pszReturnData[0] = '\0';
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}
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iLen = MultiByteToWideChar(CP_UTF8, 0, pszReturnData, -1, NULL, 0);
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*ppName = (wchar_t *) malloc(sizeof(wchar_t) * (iLen + 1));
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MultiByteToWideChar(CP_UTF8, 0, pszReturnData, -1, *ppName, iLen);
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XFree(xtpName.value);
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free(pszReturnData);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF("GetWindowName - Returning\n");
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#endif
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}
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/*
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* Send a message to the X server from the WM thread
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*/
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static int
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SendXMessage(Display * pDisplay, Window iWin, Atom atmType, long nData)
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{
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XEvent e;
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/* Prepare the X event structure */
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e.type = ClientMessage;
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e.xclient.window = iWin;
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e.xclient.message_type = atmType;
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e.xclient.format = 32;
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e.xclient.data.l[0] = nData;
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e.xclient.data.l[1] = CurrentTime;
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/* Send the event to X */
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return XSendEvent(pDisplay, iWin, False, NoEventMask, &e);
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}
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/*
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* Updates the name of a HWND according to its X WM_NAME property
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*/
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static void
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UpdateName(WMInfoPtr pWMInfo, Window iWindow)
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{
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wchar_t *pszName;
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Atom atmType;
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int fmtRet;
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unsigned long items, remain;
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HWND *retHwnd, hWnd;
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XWindowAttributes attr;
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hWnd = 0;
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/* See if we can get the cached HWND for this window... */
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if (XGetWindowProperty(pWMInfo->pDisplay, iWindow, pWMInfo->atmPrivMap, 0, 1, False, XA_INTEGER, //pWMInfo->atmPrivMap,
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&atmType,
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&fmtRet,
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&items,
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&remain, (unsigned char **) &retHwnd) == Success) {
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if (retHwnd) {
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hWnd = *retHwnd;
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XFree(retHwnd);
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}
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}
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|
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/* Some sanity checks */
|
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if (!hWnd)
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return;
|
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if (!IsWindow(hWnd))
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return;
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/* Set the Windows window name */
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GetWindowName(pWMInfo->pDisplay, iWindow, &pszName);
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if (pszName) {
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/* Get the window attributes */
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XGetWindowAttributes(pWMInfo->pDisplay, iWindow, &attr);
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if (!attr.override_redirect) {
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SetWindowTextW(hWnd, pszName);
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winUpdateIcon(iWindow);
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}
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free(pszName);
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}
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}
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|
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#if 0
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/*
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* Fix up any differences between the X11 and Win32 window stacks
|
|
* starting at the window passed in
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|
*/
|
|
static void
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PreserveWin32Stack(WMInfoPtr pWMInfo, Window iWindow, UINT direction)
|
|
{
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|
Atom atmType;
|
|
int fmtRet;
|
|
unsigned long items, remain;
|
|
HWND hWnd, *retHwnd;
|
|
DWORD myWinProcID, winProcID;
|
|
Window xWindow;
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WINDOWPLACEMENT wndPlace;
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|
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hWnd = NULL;
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|
/* 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,
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|
&atmType,
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&fmtRet,
|
|
&items,
|
|
&remain, (unsigned char **) &retHwnd) == Success) {
|
|
if (retHwnd) {
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hWnd = *retHwnd;
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|
XFree(retHwnd);
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|
}
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|
}
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|
|
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");
|
|
|
|
/* 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 */
|
|
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 || pXMsgArg == NULL) {
|
|
ErrorF("winInitWM - malloc failed.\n");
|
|
free(pArg);
|
|
free(pWMInfo);
|
|
free(pXMsgArg);
|
|
return FALSE;
|
|
}
|
|
|
|
/* Zero the allocated memory */
|
|
ZeroMemory(pArg, sizeof(WMProcArgRec));
|
|
ZeroMemory(pWMInfo, sizeof(WMInfoRec));
|
|
ZeroMemory(pXMsgArg, sizeof(XMsgProcArgRec));
|
|
|
|
/* Set a return pointer to the Window Manager info structure */
|
|
*ppWMInfo = pWMInfo;
|
|
pWMInfo->fAllowOtherWM = allowOtherWM;
|
|
|
|
/* Setup the argument structure for the thread function */
|
|
pArg->dwScreen = dwScreen;
|
|
pArg->pWMInfo = pWMInfo;
|
|
pArg->ppmServerStarted = ppmServerStarted;
|
|
|
|
/* Intialize the message queue */
|
|
if (!InitQueue(&pWMInfo->wmMsgQueue)) {
|
|
ErrorF("winInitWM - InitQueue () failed.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Spawn a thread for the Window Manager */
|
|
if (pthread_create(ptWMProc, NULL, winMultiWindowWMProc, pArg)) {
|
|
/* Bail if thread creation failed */
|
|
ErrorF("winInitWM - pthread_create failed for Window Manager.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Spawn the XNextEvent thread, will send messages to WM */
|
|
pXMsgArg->dwScreen = dwScreen;
|
|
pXMsgArg->pWMInfo = pWMInfo;
|
|
pXMsgArg->ppmServerStarted = ppmServerStarted;
|
|
pXMsgArg->hwndScreen = hwndScreen;
|
|
if (pthread_create(ptXMsgProc, NULL, winMultiWindowXMsgProc, pXMsgArg)) {
|
|
/* Bail if thread creation failed */
|
|
ErrorF("winInitWM - pthread_create failed on XMSG.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#if CYGDEBUG || YES
|
|
winDebug("winInitWM - Returning.\n");
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
/*
|
|
* Window manager thread - setup
|
|
*/
|
|
|
|
static void
|
|
winInitMultiWindowWM(WMInfoPtr pWMInfo, WMProcArgPtr pProcArg)
|
|
{
|
|
int iRetries = 0;
|
|
char pszDisplay[512];
|
|
int iReturn;
|
|
|
|
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");
|
|
|
|
/* 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 */
|
|
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 (pthread_equal(pthread_self(), g_winMultiWindowWMThread)) {
|
|
if (g_shutdown)
|
|
pthread_exit(NULL);
|
|
|
|
/* Restart at the main entry point */
|
|
longjmp(g_jmpWMEntry, WIN_JMP_ERROR_IO);
|
|
}
|
|
|
|
if (g_winMultiWindowWMOldIOErrorHandler)
|
|
g_winMultiWindowWMOldIOErrorHandler(pDisplay);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* X message procedure error handler
|
|
*/
|
|
|
|
static int
|
|
winMultiWindowXMsgProcErrorHandler(Display * pDisplay, XErrorEvent * pErr)
|
|
{
|
|
char pszErrorMsg[100];
|
|
|
|
XGetErrorText(pDisplay, pErr->error_code, pszErrorMsg, sizeof(pszErrorMsg));
|
|
#if CYGMULTIWINDOW_DEBUG
|
|
ErrorF("winMultiWindowXMsgProcErrorHandler - ERROR: %s\n", pszErrorMsg);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* X message procedure IO error handler
|
|
*/
|
|
|
|
static int
|
|
winMultiWindowXMsgProcIOErrorHandler(Display * pDisplay)
|
|
{
|
|
ErrorF("winMultiWindowXMsgProcIOErrorHandler!\n\n");
|
|
|
|
if (pthread_equal(pthread_self(), g_winMultiWindowXMsgProcThread)) {
|
|
/* Restart at the main entry point */
|
|
longjmp(g_jmpXMsgProcEntry, WIN_JMP_ERROR_IO);
|
|
}
|
|
|
|
if (g_winMultiWindowXMsgProcOldIOErrorHandler)
|
|
g_winMultiWindowXMsgProcOldIOErrorHandler(pDisplay);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Catch RedirectError to detect other window manager running
|
|
*/
|
|
|
|
static int
|
|
winRedirectErrorHandler(Display * pDisplay, XErrorEvent * pErr)
|
|
{
|
|
redirectError = TRUE;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Check if another window manager is running
|
|
*/
|
|
|
|
static Bool
|
|
CheckAnotherWindowManager(Display * pDisplay, DWORD dwScreen,
|
|
Bool fAllowOtherWM)
|
|
{
|
|
/*
|
|
Try to select the events which only one client at a time is allowed to select.
|
|
If this causes an error, another window manager is already running...
|
|
*/
|
|
redirectError = FALSE;
|
|
XSetErrorHandler(winRedirectErrorHandler);
|
|
XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen),
|
|
ResizeRedirectMask | SubstructureRedirectMask |
|
|
ButtonPressMask);
|
|
XSync(pDisplay, 0);
|
|
XSetErrorHandler(winMultiWindowXMsgProcErrorHandler);
|
|
|
|
/*
|
|
Side effect: select the events we are actually interested in...
|
|
|
|
If other WMs are not allowed, also select one of the events which only one client
|
|
at a time is allowed to select, so other window managers won't start...
|
|
*/
|
|
XSelectInput(pDisplay, RootWindow(pDisplay, dwScreen),
|
|
SubstructureNotifyMask | (!fAllowOtherWM ? ButtonPressMask :
|
|
0));
|
|
XSync(pDisplay, 0);
|
|
return redirectError;
|
|
}
|
|
|
|
/*
|
|
* Notify the MWM thread we're exiting and not to reconnect
|
|
*/
|
|
|
|
void
|
|
winDeinitMultiWindowWM(void)
|
|
{
|
|
ErrorF("winDeinitMultiWindowWM - Noting shutdown in progress\n");
|
|
g_shutdown = TRUE;
|
|
}
|
|
|
|
/* Windows window styles */
|
|
#define HINT_NOFRAME (1l<<0)
|
|
#define HINT_BORDER (1L<<1)
|
|
#define HINT_SIZEBOX (1l<<2)
|
|
#define HINT_CAPTION (1l<<3)
|
|
#define HINT_NOMAXIMIZE (1L<<4)
|
|
#define HINT_NOMINIMIZE (1L<<5)
|
|
#define HINT_NOSYSMENU (1L<<6)
|
|
/* 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->decorations & MwmDecorMenu))
|
|
hint |= HINT_NOSYSMENU;
|
|
if (!(mwm_hint->decorations & MwmDecorMinimize))
|
|
hint |= HINT_NOMINIMIZE;
|
|
if (!(mwm_hint->decorations & MwmDecorMaximize))
|
|
hint |= HINT_NOMAXIMIZE;
|
|
}
|
|
else {
|
|
/*
|
|
MwmDecorAll means all decorations *except* those specified by other flag
|
|
bits that are set. Not yet implemented.
|
|
*/
|
|
}
|
|
}
|
|
if (mwm_hint)
|
|
XFree(mwm_hint);
|
|
}
|
|
|
|
nitems = left = 0;
|
|
pAtom = NULL;
|
|
if (XGetWindowProperty(pDisplay, iWindow, windowType, 0L,
|
|
1L, False, XA_ATOM, &type, &format,
|
|
&nitems, &left,
|
|
(unsigned char **) &pAtom) == Success) {
|
|
if (pAtom && nitems == 1) {
|
|
if (*pAtom == dockWindow) {
|
|
hint = (hint & ~HINT_NOFRAME) | HINT_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;
|
|
|
|
if (hint & HINT_NOMINIMIZE)
|
|
style = style & ~WS_MINIMIZEBOX;
|
|
|
|
if (hint & HINT_NOSYSMENU)
|
|
style = style & ~WS_SYSMENU;
|
|
|
|
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);
|
|
}
|
|
}
|