908 lines
19 KiB
C
908 lines
19 KiB
C
/*
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*Copyright (C) 1994-2000 The XFree86 Project, Inc. All Rights Reserved.
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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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*/
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/* $XFree86: xc/programs/Xserver/hw/xwin/winmultiwindowwm.c,v 1.1 2003/02/12 15:01:38 alanh Exp $ */
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/* X headers */
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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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#include <sys/select.h>
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#include <fcntl.h>
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#include <setjmp.h>
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#include <pthread.h>
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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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/* Fixups to prevent collisions between Windows and X headers */
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#define ATOM DWORD
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/* Windows headers */
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#include <windows.h>
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/* Local headers */
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#include "winwindow.h"
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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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#define WIN_MSG_QUEUE_FNAME "/dev/windows"
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#define WM_WM_X_EVENT 1
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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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} 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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} 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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/*
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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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extern Bool g_fCalledSetLocale;
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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
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PopMessage (WMMsgQueuePtr pQueue);
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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, char **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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winMultiWindowWMProc (void* pArg);
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static Bool
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FlushXEvents (WMInfoPtr pWMInfo);
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static int
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winMultiWindowWMErrorHandler (Display *pDisp, XErrorEvent *e);
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static void
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winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg);
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static int
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winMutliWindowWMIOErrorHandler (Display *pDisplay);
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/*
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* Local globals
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*/
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static int g_nQueueSize;
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static jmp_buf g_jmpEntry;
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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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{
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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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{
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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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{
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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_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_RAISE\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_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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default:
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ErrorF ("Unknown 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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++g_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 0
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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 -
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*/
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static WMMsgNodePtr
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PopMessage (WMMsgQueuePtr pQueue)
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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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{
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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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{
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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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{
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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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--g_nQueueSize;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("Queue Size %d %d\n", g_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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{
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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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{
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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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g_nQueueSize = 0;
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("InitQueue - Queue Size %d %d\n", g_nQueueSize, 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 -
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*/
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static void
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GetWindowName (Display *pDisplay, Window iWin, char **ppName)
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{
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int nResult, nNum;
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char **ppList;
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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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{
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ErrorF ("GetWindowName - XGetWMName failed. No name.\n");
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return;
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}
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/* */
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if (xtpName.encoding == XA_STRING)
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{
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/* */
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if (xtpName.value)
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{
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*ppName = strdup ((char*)xtpName.value);
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XFree (xtpName.value);
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("XA_STRING %s\n", *ppName);
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#endif
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}
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else
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{
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XmbTextPropertyToTextList (pDisplay, &xtpName, &ppList, &nNum);
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/* */
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if (nNum && *ppList)
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{
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XFree (xtpName.value);
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*ppName = strdup (*ppList);
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XFreeStringList (ppList);
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("%s %s\n", XGetAtomName (pDisplay, xtpName.encoding), *ppName);
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#endif
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("-GetWindowName\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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* winMultiWindowWMProc
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*/
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static void *
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winMultiWindowWMProc (void *pArg)
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{
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WMProcArgPtr pProcArg = (WMProcArgPtr)pArg;
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WMInfoPtr pWMInfo = pProcArg->pWMInfo;
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/* Initialize the Window Manager */
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winInitMultiWindowWM (pWMInfo, pProcArg);
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("winMultiWindowWMProc ()\n");
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#endif
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/* Loop until we explicity break out */
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for (;;)
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{
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WMMsgNodePtr pNode;
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/* Pop a message off of our queue */
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pNode = PopMessage (&pWMInfo->wmMsgQueue);
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if (pNode == NULL)
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{
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/* Bail if PopMessage returns without a message */
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/* NOTE: Remember that PopMessage is a blocking function. */
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ErrorF ("winMultiWindowWMProc - Queue is Empty?\n");
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pthread_exit (NULL);
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}
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("winMultiWindowWMProc - %d ms MSG: %d ID: %d\n",
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GetTickCount (), (int)pNode->msg.msg, (int)pNode->msg.dwID);
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#endif
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/* Branch on the message type */
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switch (pNode->msg.msg)
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{
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#if 0
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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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#endif
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case WM_WM_RAISE:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_RAISE\n");
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#endif
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/* Raise the window */
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XRaiseWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
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break;
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case WM_WM_LOWER:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_LOWER\n");
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#endif
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/* Lower the window */
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XLowerWindow (pWMInfo->pDisplay, pNode->msg.iWindow);
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break;
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case WM_WM_MAP:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_MAP\n");
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#endif
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{
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XWindowAttributes attr;
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char *pszName;
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#if 0
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XWMHints *pHints;
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#endif
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/* Get the window attributes */
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XGetWindowAttributes (pWMInfo->pDisplay,
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pNode->msg.iWindow,
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&attr);
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if (!attr.override_redirect)
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{
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/* Set the Windows window name */
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GetWindowName(pWMInfo->pDisplay, pNode->msg.iWindow, &pszName);
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SetWindowText (pNode->msg.hwndWindow, pszName);
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free (pszName);
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}
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}
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break;
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case WM_WM_UNMAP:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_UNMAP\n");
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#endif
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/* Unmap the window */
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XUnmapWindow(pWMInfo->pDisplay, pNode->msg.iWindow);
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break;
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case WM_WM_KILL:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_KILL\n");
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#endif
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{
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int i, n, found = 0;
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Atom *protocols;
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/* --- */
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if (XGetWMProtocols (pWMInfo->pDisplay,
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pNode->msg.iWindow,
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&protocols,
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&n))
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{
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for (i = 0; i < n; ++i)
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if (protocols[i] == pWMInfo->atmWmDelete)
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++found;
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XFree (protocols);
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}
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/* --- */
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if (found)
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SendXMessage (pWMInfo->pDisplay,
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pNode->msg.iWindow,
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pWMInfo->atmWmProtos,
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pWMInfo->atmWmDelete);
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else
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XKillClient (pWMInfo->pDisplay,
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pNode->msg.iWindow);
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}
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break;
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case WM_WM_ACTIVATE:
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#if CYGMULTIWINDOW_DEBUG
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ErrorF ("\tWM_WM_ACTIVATE\n");
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#endif
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/* Set the input focus */
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XSetInputFocus (pWMInfo->pDisplay,
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pNode->msg.iWindow,
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RevertToPointerRoot,
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CurrentTime);
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break;
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case WM_WM_X_EVENT:
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/* Process all X events in the Window Manager event queue */
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FlushXEvents (pWMInfo);
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break;
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default:
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ErrorF ("winMultiWindowWMProc - Unknown Message.\n");
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pthread_exit (NULL);
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break;
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}
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/* Free the retrieved message */
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free (pNode);
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/* Flush any pending events on our display */
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XFlush (pWMInfo->pDisplay);
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}
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/* Free the condition variable */
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pthread_cond_destroy (&pWMInfo->wmMsgQueue.pcNotEmpty);
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/* Free the mutex variable */
|
|
pthread_mutex_destroy (&pWMInfo->wmMsgQueue.pmMutex);
|
|
|
|
/* Free the passed-in argument */
|
|
free (pProcArg);
|
|
|
|
#if CYGMULTIWINDOW_DEBUG
|
|
ErrorF("-winMultiWindowWMProc ()\n");
|
|
#endif
|
|
}
|
|
|
|
|
|
/*
|
|
* FlushXEvents - Process any pending X events
|
|
*/
|
|
|
|
static Bool
|
|
FlushXEvents (WMInfoPtr pWMInfo)
|
|
{
|
|
XEvent event;
|
|
|
|
#if CYGMULTIWINDOW_DEBUG
|
|
ErrorF ("FlushXEvents ()\n");
|
|
#endif
|
|
|
|
/* Process all pending events */
|
|
while (XPending (pWMInfo->pDisplay))
|
|
{
|
|
/* Get the next event - will not block because one is ready */
|
|
XNextEvent (pWMInfo->pDisplay, &event);
|
|
|
|
#if 0
|
|
/* Branch on the event type */
|
|
switch (event.type)
|
|
{
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#if CYGMULTIWINDOW_DEBUG
|
|
ErrorF ("-FlushXEvents ()\n");
|
|
#endif
|
|
|
|
return True;
|
|
}
|
|
|
|
|
|
/*
|
|
* winMultiWindowWMErrorHandler - Our application specific error handler
|
|
*/
|
|
|
|
static int
|
|
winMultiWindowWMErrorHandler (Display *pDisplay, XErrorEvent *pErr)
|
|
{
|
|
char pszErrorMsg[100];
|
|
|
|
if (pErr->request_code == X_ChangeWindowAttributes
|
|
&& pErr->error_code == BadAccess)
|
|
{
|
|
ErrorF ("ChangeWindowAttributes BadAccess.\n");
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
XGetErrorText (pDisplay,
|
|
pErr->error_code,
|
|
pszErrorMsg,
|
|
sizeof (pszErrorMsg));
|
|
ErrorF ("ERROR: %s\n", pszErrorMsg);
|
|
|
|
if (pErr->error_code==BadWindow
|
|
|| pErr->error_code==BadMatch
|
|
|| pErr->error_code==BadDrawable)
|
|
{
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
pthread_exit (NULL);
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* 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_mutex_t *ppmServerStarted,
|
|
int dwScreen)
|
|
{
|
|
WMProcArgPtr pArg = (WMProcArgPtr)malloc (sizeof(WMProcArgRec));
|
|
WMInfoPtr pWMInfo = (WMInfoPtr)malloc (sizeof(WMInfoRec));
|
|
|
|
/* Bail if the input parameters are bad */
|
|
if (pArg == NULL || pWMInfo == NULL)
|
|
{
|
|
ErrorF ("winInitWM - malloc fail.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Set a return pointer to the Window Manager info structure */
|
|
*ppWMInfo = pWMInfo;
|
|
|
|
/* Setup the argument structure for the thread function */
|
|
pArg->dwScreen = dwScreen;
|
|
pArg->pWMInfo = pWMInfo;
|
|
pArg->ppmServerStarted = ppmServerStarted;
|
|
|
|
/* Intialize the message queue */
|
|
if (!InitQueue (&pWMInfo->wmMsgQueue))
|
|
{
|
|
ErrorF ("winInitWM - InitQueue () failed.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
/* Spawn a thread for the Window Manager */
|
|
if (pthread_create (ptWMProc, NULL, winMultiWindowWMProc, pArg))
|
|
{
|
|
/* Bail if thread creation failed */
|
|
ErrorF ("winInitWM - pthread_create failed.\n");
|
|
return FALSE;
|
|
}
|
|
|
|
#if CYGDEBUG || YES
|
|
ErrorF ("winInitWM - Returning.\n");
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* winInitMultiWindowWM -
|
|
*/
|
|
|
|
Bool
|
|
winClipboardDetectUnicodeSupport ();
|
|
|
|
static void
|
|
winInitMultiWindowWM (WMInfoPtr pWMInfo, WMProcArgPtr pProcArg)
|
|
{
|
|
int iRetries = 0;
|
|
char pszDisplay[512];
|
|
int iReturn;
|
|
Bool fUnicodeSupport;
|
|
|
|
ErrorF ("winInitMultiWindowWM - Hello\n");
|
|
|
|
/* Check that argument pointer is not invalid */
|
|
if (pProcArg == NULL)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - pProcArg is NULL, bailing.\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\n",
|
|
iReturn);
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
ErrorF ("winInitMultiWindowWM - pthread_mutex_lock () returned.\n");
|
|
|
|
/* Do we have Unicode support? */
|
|
fUnicodeSupport = winClipboardDetectUnicodeSupport ();
|
|
|
|
/* Set the current locale? What does this do? */
|
|
if (fUnicodeSupport && !g_fCalledSetLocale)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - Calling setlocale ()\n");
|
|
if (!setlocale (LC_ALL, ""))
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - setlocale () error\n");
|
|
pthread_exit (NULL);
|
|
}
|
|
ErrorF ("winInitMultiWindowWM - setlocale () returned\n");
|
|
|
|
/* See if X supports the current locale */
|
|
if (XSupportsLocale () == False)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - Locale not supported by X\n");
|
|
pthread_exit (NULL);
|
|
}
|
|
}
|
|
|
|
/* Flag that we have called setlocale */
|
|
g_fCalledSetLocale = TRUE;
|
|
|
|
/* Release the garbage mutex */
|
|
pthread_mutex_unlock (pProcArg->ppmServerStarted);
|
|
|
|
ErrorF ("winInitMultiWindowWM - pthread_mutex_unlock () returned.\n");
|
|
|
|
/* Allow multiple threads to access Xlib */
|
|
if (XInitThreads () == 0)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - XInitThreads () failed.\n");
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
ErrorF ("winInitMultiWindowWM - XInitThreads () returned.\n");
|
|
|
|
/* Set jump point for Error exits */
|
|
iReturn = setjmp (g_jmpEntry);
|
|
|
|
/* 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 - setjmp returned WIN_JMP_ERROR_IO\n");
|
|
}
|
|
|
|
/* Setup the display connection string x */
|
|
snprintf (pszDisplay, 512, "127.0.0.1:%s.%d", display, pProcArg->dwScreen);
|
|
|
|
/* Print the display connection string */
|
|
ErrorF ("winInitMultiWindowWM - DISPLAY=%s\n", pszDisplay);
|
|
|
|
/* Open the X display */
|
|
do
|
|
{
|
|
/* Try to open the display */
|
|
pWMInfo->pDisplay = XOpenDisplay (pszDisplay);
|
|
if (pWMInfo->pDisplay == NULL)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - Could not open display, try: %d, "
|
|
"sleeping: %d\n\f",
|
|
iRetries + 1, WIN_CONNECT_DELAY);
|
|
++iRetries;
|
|
sleep (WIN_CONNECT_DELAY);
|
|
continue;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
while (pWMInfo->pDisplay == NULL && iRetries < WIN_CONNECT_RETRIES);
|
|
|
|
/* Make sure that the display opened */
|
|
if (pWMInfo->pDisplay == NULL)
|
|
{
|
|
ErrorF ("winInitMultiWindowWM - Failed opening the display, "
|
|
"giving up.\n\f");
|
|
pthread_exit (NULL);
|
|
}
|
|
|
|
ErrorF ("winInitMultiWindowWM - XOpenDisplay () returned and "
|
|
"successfully opened the display.\n");
|
|
|
|
/* Install our error handler */
|
|
XSetErrorHandler (winMultiWindowWMErrorHandler);
|
|
XSetIOErrorHandler (winMutliWindowWMIOErrorHandler);
|
|
|
|
/* Create some atoms */
|
|
pWMInfo->atmWmProtos = XInternAtom (pWMInfo->pDisplay,
|
|
"WM_PROTOCOLS",
|
|
False);
|
|
pWMInfo->atmWmDelete = XInternAtom (pWMInfo->pDisplay,
|
|
"WM_DELETE_WINDOW",
|
|
False);
|
|
}
|
|
|
|
|
|
/*
|
|
* 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);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* winMutliWindowWMIOErrorHandler - Our application specific IO error handler
|
|
*/
|
|
|
|
static int
|
|
winMutliWindowWMIOErrorHandler (Display *pDisplay)
|
|
{
|
|
printf ("\nwinMutliWindowWMIOErrorHandler!\n\n");
|
|
|
|
/* Restart at the main entry point */
|
|
longjmp (g_jmpEntry, WIN_JMP_ERROR_IO);
|
|
|
|
return 0;
|
|
}
|