-/* xscreensaver, Copyright (c) 1991-1998 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1991-1999 Jamie Zawinski <jwz@jwz.org>
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
#include "yarandom.h"
#include "resources.h"
#include "visual.h"
+#include "usleep.h"
saver_info *global_si_kludge = 0; /* I hate C so much... */
{
saver_info *si = global_si_kludge; /* I hate C so much... */
+ if (!real_stderr) real_stderr = stderr;
+
fprintf (real_stderr, "\n"
"#######################################"
"#######################################\n\n"
}
else
{
- fprintf(real_stderr,
- "%s: to dump a core file, re-run with `-sync'.\n"
- "%s: see http://www.jwz.org/xscreensaver/bugs.html\n"
- "\t\tfor bug reporting information.\n\n",
- blurb(), blurb());
+ fprintf (real_stderr,
+ "#######################################"
+ "#######################################\n\n");
+ fprintf (real_stderr,
+ " If at all possible, please re-run xscreensaver with the command line\n"
+ " arguments `-sync -verbose', and reproduce this bug. That will cause\n"
+ " xscreensaver to dump a `core' file to the current directory. Please\n"
+ " include the stack trace from that core file in your bug report.\n"
+ "\n"
+ " http://www.jwz.org/xscreensaver/bugs.html explains how to create the\n"
+ " most useful bug reports, and how to examine core files.\n"
+ "\n"
+ " The more information you can provide, the better. But please report\n"
+ " report this bug, regardless!\n"
+ "\n");
+ fprintf (real_stderr,
+ "#######################################"
+ "#######################################\n\n");
+
saver_exit (si, -1, 0);
}
}
return 0;
}
+
+/* This error handler is used only while the X connection is being set up;
+ after we've got a connection, we don't use this handler again. The only
+ reason for having this is so that we can present a more idiot-proof error
+ message than "cannot open display."
+ */
+static void
+startup_ehandler (String name, String type, String class,
+ String defalt, /* one can't even spel properly
+ in this joke of a language */
+ String *av, Cardinal *ac)
+{
+ char fmt[512];
+ String p[10];
+ saver_info *si = global_si_kludge; /* I hate C so much... */
+ XrmDatabase *db = XtAppGetErrorDatabase(si->app);
+ *fmt = 0;
+ XtAppGetErrorDatabaseText(si->app, name, type, class, defalt,
+ fmt, sizeof(fmt)-1, *db);
+
+ fprintf (stderr, "%s: ", blurb());
+
+ memset (p, 0, sizeof(p));
+ if (*ac > countof (p)) *ac = countof (p);
+ memcpy ((char *) p, (char *) av, (*ac) * sizeof(*av));
+ fprintf (stderr, fmt, /* Did I mention that I hate C? */
+ p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9]);
+ fprintf (stderr, "\n");
+
+ describe_uids (si, stderr);
+ fprintf (stderr, "\n"
+ "%s: Errors at startup are usually authorization problems.\n"
+ " Did you read the manual? Specifically, the parts\n"
+ " that talk about XAUTH, XDM, and root logins?\n"
+ "\n"
+ " http://www.jwz.org/xscreensaver/man.html\n"
+ "\n",
+ blurb());
+
+ fflush (stderr);
+ fflush (stdout);
+ exit (1);
+}
+
\f
/* The zillions of initializations.
*/
si->nolock_reason = "not compiled with locking support";
#else /* !NO_LOCKING */
si->locking_disabled_p = False;
- if (! lock_init (*argc, argv)) /* before hack_uid() for proper permissions */
+ /* before hack_uid() for proper permissions */
+ if (! lock_init (*argc, argv, si->prefs.verbose_p))
{
si->locking_disabled_p = True;
si->nolock_reason = "error getting password";
Widget toplevel_shell;
XSetErrorHandler (saver_ehandler);
+
+ XtAppSetErrorMsgHandler (si->app, startup_ehandler);
toplevel_shell = XtAppInitialize (&si->app, progclass,
options, XtNumber (options),
argc, argv, defaults, 0, 0);
+ XtAppSetErrorMsgHandler (si->app, 0);
si->dpy = XtDisplay (toplevel_shell);
si->prefs.db = XtDatabase (si->dpy);
Bool server_has_sgi_saver_extension_p = False;
Bool server_has_mit_saver_extension_p = False;
+ si->using_xidle_extension = p->use_xidle_extension;
+ si->using_sgi_saver_extension = p->use_sgi_saver_extension;
+ si->using_mit_saver_extension = p->use_mit_saver_extension;
+
#ifdef HAVE_XIDLE_EXTENSION
server_has_xidle_extension_p = query_xidle_extension (si);
#endif
#endif
if (!server_has_xidle_extension_p)
- p->use_xidle_extension = False;
+ si->using_xidle_extension = False;
else if (p->verbose_p)
{
- if (p->use_xidle_extension)
+ if (si->using_xidle_extension)
fprintf (stderr, "%s: using XIDLE extension.\n", blurb());
else
fprintf (stderr, "%s: not using server's XIDLE extension.\n", blurb());
}
if (!server_has_sgi_saver_extension_p)
- p->use_sgi_saver_extension = False;
+ si->using_sgi_saver_extension = False;
else if (p->verbose_p)
{
- if (p->use_sgi_saver_extension)
+ if (si->using_sgi_saver_extension)
fprintf (stderr, "%s: using SGI SCREEN_SAVER extension.\n", blurb());
else
fprintf (stderr,
}
if (!server_has_mit_saver_extension_p)
- p->use_mit_saver_extension = False;
+ si->using_mit_saver_extension = False;
else if (p->verbose_p)
{
- if (p->use_mit_saver_extension)
+ if (si->using_mit_saver_extension)
fprintf (stderr, "%s: using lame MIT-SCREEN-SAVER extension.\n",
blurb());
else
saver_preferences *p = &si->prefs;
int i;
- if (p->use_xidle_extension ||
- p->use_mit_saver_extension ||
- p->use_sgi_saver_extension)
+ if (si->using_xidle_extension ||
+ si->using_mit_saver_extension ||
+ si->using_sgi_saver_extension)
return;
if (p->initial_delay)
Bool
handle_clientmessage (saver_info *si, XEvent *event, Bool until_idle_p)
{
- saver_preferences *p = &si->prefs;
Atom type = 0;
Window window = event->xclient.window;
"activating.");
si->selection_mode = 0;
si->demoing_p = False;
- if (p->use_mit_saver_extension || p->use_sgi_saver_extension)
+ if (si->using_mit_saver_extension || si->using_sgi_saver_extension)
{
XForceScreenSaver (si->dpy, ScreenSaverActive);
return False;
clientmessage_response(si, window, False,
"DEACTIVATE ClientMessage received.",
"deactivating.");
- if (p->use_mit_saver_extension || p->use_sgi_saver_extension)
+ if (si->using_mit_saver_extension || si->using_sgi_saver_extension)
{
XForceScreenSaver (si->dpy, ScreenSaverReset);
return False;
if (until_idle_p)
{
- if (p->use_mit_saver_extension || p->use_sgi_saver_extension)
+ if (si->using_mit_saver_extension ||
+ si->using_sgi_saver_extension)
{
XForceScreenSaver (si->dpy, ScreenSaverActive);
return False;
projects / xscreensaver / blobdiff