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/*
* lwm, a window manager for X11
* Copyright (C) 1997-2016 Elliott Hughes, James Carter
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xproto.h>
#include "lwm.h"
int ignore_badwindow;
void
panic(char *s) {
fprintf(stderr, "%s: %s\n", argv0, s);
exit(EXIT_FAILURE);
}
int
errorHandler(Display *d, XErrorEvent *e) {
char msg[80];
char req[80];
char number[80];
if (mode == wm_initialising &&
e->request_code == X_ChangeWindowAttributes &&
e->error_code == BadAccess)
panic("another window manager is already running.");
if (ignore_badwindow &&
(e->error_code == BadWindow || e->error_code == BadColor))
return 0;
XGetErrorText(d, e->error_code, msg, sizeof(msg));
sprintf(number, "%d", e->request_code);
XGetErrorDatabaseText(d, "XRequest", number, number, req, sizeof(req));
fprintf(stderr, "%s: protocol request %s on resource %#x failed: %s\n",
argv0, req, (unsigned int) e->resourceid, msg);
if (mode == wm_initialising)
panic("can't initialise.");
return 0;
}
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