Peter Howkins
361 lines
8.3 KiB
C
361 lines
8.3 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* (c) Copyright 1989, 1990, 1991, 1992, 1993, 1994 OPEN SOFTWARE FOUNDATION, INC.
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* ALL RIGHTS RESERVED
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*/
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/*
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* Motif Release 1.2.4
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*/
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/*
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* (c) Copyright 1987, 1988, 1989, 1990 HEWLETT-PACKARD COMPANY */
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/*
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* Included Files:
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*/
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#include "WmGlobal.h"
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#include <stdio.h>
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#include <Dt/UserMsg.h>
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#include "WmXSMP.h"
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/*
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* Function Declarations:
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*/
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#include "WmError.h"
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#ifdef DEBUG
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#define E_MAJOR_CODE 0
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#define E_MINOR_CODE 1
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#define E_RESOURCE_ID 2
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#define E_ERROR_SERIAL 3
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#define E_CURRENT_SERIAL 4
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#define NUM_E_STRINGS 5
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static char *pchErrorFormatNames [NUM_E_STRINGS] = {
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"MajorCode",
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"MinorCode",
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"ResourceID",
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"ErrorSerial",
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"CurrentSerial"
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};
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static char *pchDefaultErrorFormat [NUM_E_STRINGS] = {
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" %d ",
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" %d ",
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" %ld ",
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" %ld ",
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" %ld "
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};
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static char *pchErrorFormat [NUM_E_STRINGS];
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#endif /* DEBUG */
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/*************************************<->*************************************
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*
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* WmInitErrorHandler (display)
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*
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*
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* Description:
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* -----------
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* This function initializes the window manager error handler.
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*
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*
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* Inputs:
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* ------
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* display = display we're talking about
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* -------
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*
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*************************************<->***********************************/
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void
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WmInitErrorHandler (Display *display)
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{
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#ifdef DEBUG
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char buffer[BUFSIZ];
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int i;
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/*
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* Fetch the X error format strings from XErrorDB
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*/
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for (i = 0; i< NUM_E_STRINGS; i++)
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{
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XGetErrorDatabaseText (display, "XlibMessage",
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pchErrorFormatNames[i],
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pchDefaultErrorFormat[i], buffer, BUFSIZ);
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if ((pchErrorFormat[i] = (char *) XtMalloc (1+strlen(buffer))) == NULL)
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{
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Warning ("Insufficient memory for error message initialization.");
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ExitWM (1);
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}
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strcpy(pchErrorFormat[i], buffer);
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}
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#endif /* DEBUG */
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XSetErrorHandler (WmXErrorHandler);
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XSetIOErrorHandler (WmXIOErrorHandler);
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XtSetWarningHandler (WmXtWarningHandler);
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XtSetErrorHandler (WmXtErrorHandler);
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} /* END OF FUNCTION WmInitErrorHandler */
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/*************************************<->*************************************
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*
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* WmXErrorHandler (display, errorEvent)
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*
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*
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* Description:
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* -----------
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* This function is the X error handler that is registered with X to
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* handle X errors resulting from window management activities.
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*
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*
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* Inputs:
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* ------
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* display = display on which X error occurred
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*
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* errorEvent = pointer to a block of information describing the error
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*
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*
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* Outputs:
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* -------
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* wmGD.errorFlag = set to True
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*
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* Return = 0
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*
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*************************************<->***********************************/
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int
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WmXErrorHandler (Display *display, XErrorEvent *errorEvent)
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{
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ClientData *pCD;
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#ifdef DEBUG
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char buffer[BUFSIZ];
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char message[BUFSIZ];
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XGetErrorText (display, errorEvent->error_code, buffer, BUFSIZ);
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Warning ("X error occurred during window management operation");
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fprintf (stderr, "Description = '%s'\n ", buffer);
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fprintf (stderr, pchErrorFormat[E_MAJOR_CODE], errorEvent->request_code);
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sprintf(message, "%d", errorEvent->request_code);
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XGetErrorDatabaseText (display, "XRequest", message,
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" ", buffer, BUFSIZ);
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fprintf (stderr, " (%s)\n ", buffer);
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fprintf (stderr, pchErrorFormat[E_MINOR_CODE], errorEvent->minor_code);
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fprintf (stderr, "\n ");
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fprintf (stderr, pchErrorFormat[E_RESOURCE_ID], errorEvent->resourceid);
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fprintf (stderr, "\n ");
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fprintf (stderr, pchErrorFormat[E_ERROR_SERIAL], errorEvent->serial);
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fprintf (stderr, "\n ");
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fprintf (stderr, pchErrorFormat[E_CURRENT_SERIAL],
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LastKnownRequestProcessed(display));
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fprintf (stderr, "\n");
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#endif /* DEBUG */
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/*
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* Check for a BadWindow error for a managed window. If this error
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* is detected indicate in the client data that the window no longer
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* exists.
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*/
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if ((errorEvent->error_code == BadWindow) &&
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!XFindContext (DISPLAY, errorEvent->resourceid, wmGD.windowContextType,
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(caddr_t *)&pCD))
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{
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if (errorEvent->resourceid == pCD->client)
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{
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pCD->clientFlags |= CLIENT_DESTROYED;
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}
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}
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wmGD.errorFlag = True;
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wmGD.errorResource = errorEvent->resourceid;
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wmGD.errorRequestCode = errorEvent->request_code;
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return (0);
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} /* END OF FUNCTION WmXErrorHandler */
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/*************************************<->*************************************
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*
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* WmXIOErrorHandler (display)
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*
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*
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* Description:
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* -----------
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* This function is the X IO error handler that is registered with X to
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* handle X IO errors. This function exits the window manager.
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*
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*
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* Inputs:
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* ------
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* display = X display on which the X IO error occurred
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*
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*************************************<->***********************************/
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int
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WmXIOErrorHandler (Display *display)
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{
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char err[100];
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sprintf (err, "%s: %s\n", "I/O error on display:", XDisplayString(display));
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Warning(err);
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ExitWM (WM_ERROR_EXIT_VALUE);
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/*NOTREACHED*/
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return 1;
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} /* END OF FUNCTIONS WmXIOErrorHandler */
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/*************************************<->*************************************
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*
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* WmXtErrorHandler (message)
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*
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*
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* Description:
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* -----------
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* This function is registered as the X Toolkit fatal error handler.
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*
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*
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* Inputs:
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* ------
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* message = pointer to an error message
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*
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*************************************<->***********************************/
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void
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WmXtErrorHandler (char *message)
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{
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Warning (message);
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ExitWM (WM_ERROR_EXIT_VALUE);
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} /* END OF FUNCTION WmXtErrorHandler */
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/*************************************<->*************************************
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*
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* WmXtWarningHandler (message)
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*
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*
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* Description:
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* -----------
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* This function is registered as an X Toolkit warning handler.
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*
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*
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* Inputs:
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* ------
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* message = pointer to a warning message
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*
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*************************************<->***********************************/
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void
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WmXtWarningHandler (char *message)
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{
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#ifdef DEBUG
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Warning (message);
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#endif /* DEBUG */
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} /* END OF FUNCTIONS WmXtWarningHandler */
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/*************************************<->*************************************
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*
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* Warning (message)
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*
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*
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* Description:
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* -----------
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* This function lists a message to stderr.
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*
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*
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* Inputs:
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* ------
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* message = pointer to a message string
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*
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*************************************<->***********************************/
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void
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Warning (char *message)
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{
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char pch[MAXWMPATH+1];
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sprintf (pch, "%s: %s\n",
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GETMESSAGE(20, 1, "Workspace Manager"), message);
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_DtSimpleError (wmGD.mwmName, DtIgnore, NULL, pch, NULL);
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} /* END OF FUNCTION Warning */
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#ifdef DEBUGGER
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/******************************<->*************************************
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*
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* PrintFormatted (format, message, message, ...)
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*
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*
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* Description:
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* -----------
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* This function lists several messages to stderr using fprintf()
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* formatting capabilities.
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*
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* Inputs:
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* ------
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* s0-s9 = pointers to message strings
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*
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* Comments:
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* ------
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* Caller must provide his/her own argv[0] to this function.
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******************************<->***********************************/
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/*VARARGS1*/
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void
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PrintFormatted(char *f, char *s0, char *s1, char *s2, char *s3, char *s4, char *s5, char *s6, char *s7, char *s8, char *s9)
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/* limit of ten args */
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{
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fprintf( stderr, f, s0, s1, s2, s3, s4, s5, s6, s7, s8, s9);
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fflush (stderr);
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} /* END OF FUNCTION PrintFormatted */
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/************************ eof **************************/
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#endif /* DEBUGGER */
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