-/* xscreensaver, Copyright (c) 1991-2011 Jamie Zawinski <jwz@jwz.org>
+/* xscreensaver, Copyright (c) 1991-2015 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
* subwindows. It is an incredible misdesign that one client can make
* another client malfunction in this way.
*
+ * But here's a new kink that started showing up in late 2014: GNOME programs
+ * don't actually select for or receive KeyPress events! They do it behind
+ * the scenes through some kind of Input Method magic, even when running in
+ * an en_US locale. However, in that case, those applications *do* seem to
+ * update the _NET_WM_USER_TIME on their own windows every time they have
+ * received a secret KeyPress, so we *also* monitor that property on every
+ * window, and treat changes to it as identical to KeyPress.
+ *
* To detect mouse motion, we periodically wake up and poll the mouse
* position and button/modifier state, and notice when something has
* changed. We make this check every five seconds by default, and since the
static void
do_help (saver_info *si)
{
+ char *s, year[5];
+ s = strchr (screensaver_id, '-');
+ s = strrchr (s, '-');
+ s++;
+ strncpy (year, s, 4);
+ year[4] = 0;
+
fflush (stdout);
fflush (stderr);
fprintf (stdout, "\
-xscreensaver %s, copyright (c) 1991-2008 by Jamie Zawinski <jwz@jwz.org>\n\
+xscreensaver %s, copyright (c) 1991-%s by Jamie Zawinski <jwz@jwz.org>\n\
\n\
All xscreensaver configuration is via the `~/.xscreensaver' file.\n\
Rather than editing that file by hand, just run `xscreensaver-demo':\n\
that program lets you configure the screen saver graphically,\n\
including timeouts, locking, and display modes.\n\
\n",
- si->version);
+ si->version, year);
fprintf (stdout, "\
Just getting started? Try this:\n\
\n\
}
+Bool in_signal_handler_p = 0; /* I hate C so much... */
+
char *
timestring (void)
{
- time_t now = time ((time_t *) 0);
- char *str = (char *) ctime (&now);
- char *nl = (char *) strchr (str, '\n');
- if (nl) *nl = 0; /* take off that dang newline */
- return str;
+ if (in_signal_handler_p)
+ {
+ /* Turns out that ctime() and even localtime_r() call malloc() on Linux!
+ So we can't call them from inside SIGCHLD. WTF.
+ */
+ static char buf[30];
+ strcpy (buf, "... ... .. signal ....");
+ return buf;
+ }
+ else
+ {
+ time_t now = time ((time_t *) 0);
+ char *str = (char *) ctime (&now);
+ char *nl = (char *) strchr (str, '\n');
+ if (nl) *nl = 0; /* take off that dang newline */
+ return str;
+ }
}
static Bool blurb_timestamp_p = True; /* kludge */
}
}
+ /* Like MacOS, locking under Wayland's embedded X11 server does not work.
+ (X11 grabs don't work because the Wayland window manager lives at a
+ higher level than the X11 emulation layer.)
+ */
+ if (!si->locking_disabled_p && getenv ("WAYLAND_DISPLAY"))
+ {
+ si->locking_disabled_p = True;
+ si->nolock_reason = "Cannot lock securely under Wayland";
+ }
+
if (si->prefs.debug_p) /* But allow locking anyway in debug mode. */
si->locking_disabled_p = False;
XA_XSETROOT_ID = XInternAtom (si->dpy, "_XSETROOT_ID", False);
XA_ESETROOT_PMAP_ID = XInternAtom (si->dpy, "ESETROOT_PMAP_ID", False);
XA_XROOTPMAP_ID = XInternAtom (si->dpy, "_XROOTPMAP_ID", False);
+ XA_NET_WM_USER_TIME = XInternAtom (si->dpy, "_NET_WM_USER_TIME", False);
XA_ACTIVATE = XInternAtom (si->dpy, "ACTIVATE", False);
XA_DEACTIVATE = XInternAtom (si->dpy, "DEACTIVATE", False);
XA_RESTART = XInternAtom (si->dpy, "RESTART", False);
{
saver_preferences *p = &si->prefs;
+ char *s, year[5];
+ s = strchr (screensaver_id, '-');
+ s = strrchr (s, '-');
+ s++;
+ strncpy (year, s, 4);
+ year[4] = 0;
+
/* This resource gets set some time before the others, so that we know
whether to print the banner (and so that the banner gets printed before
any resource-database-related error messages.)
if (p->verbose_p)
fprintf (stderr,
- "%s %s, copyright (c) 1991-2008 "
+ "%s %s, copyright (c) 1991-%s "
"by Jamie Zawinski <jwz@jwz.org>.\n",
- progname, si->version);
+ progname, si->version, year);
if (p->debug_p)
fprintf (stderr, "\n"
"\n",
blurb());
+ if (p->verbose_p && senescent_p ())
+ fprintf (stderr, "\n"
+ "*************************************"
+ "**************************************\n"
+ "%s: Warning: this version of xscreensaver is VERY OLD!\n"
+ "%s: Please upgrade! http://www.jwz.org/xscreensaver/\n"
+ "*************************************"
+ "**************************************\n"
+ "\n",
+ blurb(), blurb());
+
if (p->verbose_p)
{
if (!si->uid_message || !*si->uid_message)
sync_server_dpms_settings (si->dpy,
(p->dpms_enabled_p &&
p->mode != DONT_BLANK),
+ p->dpms_quickoff_p,
p->dpms_standby / 1000,
p->dpms_suspend / 1000,
p->dpms_off / 1000,
we would never be able to un-blank it! We would never
see any events, and the display would be wedged.
+ In particular, without that keyboard grab, we will be
+ unable to ever read keypresses on the unlock dialog.
+ You can't unlock if you can't type your password.
+
So, just go around the loop again and wait for the
next bout of idleness. (If the user remains idle, we
will next try to blank the screen again in no more than
"%s: unable to grab keyboard or mouse! Blanking aborted.\n",
blurb());
+ /* Since we were unable to blank, clearly we're not locked,
+ but we might have been prematurely marked as locked by
+ the LOCK ClientMessage. */
+ if (si->locked_p)
+ set_locked_p (si, False);
+
schedule_wakeup_event (si, retry, p->debug_p);
continue;
}
for (i = 0; i < si->nscreens; i++)
spawn_screenhack (&si->screens[i]);
- /* If we are blanking only, optionally power down monitor right now.
- To do this, we might need to temporarily re-enable DPMS first.
- */
+ /* If we are blanking only, optionally power down monitor right now. */
if (p->mode == BLANK_ONLY &&
p->dpms_enabled_p &&
p->dpms_quickoff_p)
{
sync_server_dpms_settings (si->dpy, True,
+ p->dpms_quickoff_p,
p->dpms_standby / 1000,
p->dpms_suspend / 1000,
- (p->dpms_off
- ? (p->dpms_off / 1000)
- : 0xFFFF),
+ p->dpms_off / 1000,
False);
monitor_power_on (si, False);
}
if (p->verbose_p) analyze_display (si);
initialize_server_extensions (si);
- si->blank_time = time ((time_t) 0); /* must be before ..._window */
+ si->blank_time = time ((time_t *) 0); /* must be before ..._window */
initialize_screensaver_window (si);
select_events (si);
sync_server_dpms_settings (si->dpy,
(p->dpms_enabled_p &&
p->mode != DONT_BLANK),
+ p->dpms_quickoff_p,
p->dpms_standby / 1000,
p->dpms_suspend / 1000,
p->dpms_off / 1000,
}
else if (type == XA_DEACTIVATE)
{
- if (! until_idle_p)
- {
- if (si->throttled_p && p->verbose_p)
- fprintf (stderr, "%s: unthrottled.\n", blurb());
- si->throttled_p = False;
+# if 0
+ /* When -deactivate is received while locked, pop up the dialog box
+ instead of just ignoring it. Some people depend on this behavior
+ to be able to unlock by using e.g. a fingerprint reader without
+ also having to click the mouse first.
+ */
+ if (si->locked_p)
+ {
+ clientmessage_response(si, window, False,
+ "DEACTIVATE ClientMessage received while locked: ignored.",
+ "screen is locked.");
+ }
+ else
+# endif /* 0 */
+ {
+ if (! until_idle_p)
+ {
+ if (si->throttled_p && p->verbose_p)
+ fprintf (stderr, "%s: unthrottled.\n", blurb());
+ si->throttled_p = False;
- clientmessage_response(si, window, False,
- "DEACTIVATE ClientMessage received.",
- "deactivating.");
- if (si->using_mit_saver_extension || si->using_sgi_saver_extension)
- {
- XForceScreenSaver (si->dpy, ScreenSaverReset);
- return False;
- }
- else
- {
- return True;
- }
- }
- clientmessage_response(si, window, False,
- "ClientMessage DEACTIVATE received while inactive: resetting idle timer.",
- "not active: idle timer reset.");
- reset_timers (si);
+ clientmessage_response(si, window, False,
+ "DEACTIVATE ClientMessage received.",
+ "deactivating.");
+ if (si->using_mit_saver_extension ||
+ si->using_sgi_saver_extension)
+ {
+ XForceScreenSaver (si->dpy, ScreenSaverReset);
+ return False;
+ }
+ else
+ {
+ return True;
+ }
+ }
+ clientmessage_response(si, window, False,
+ "ClientMessage DEACTIVATE received while inactive: "
+ "resetting idle timer.",
+ "not active: idle timer reset.");
+ reset_timers (si);
+ }
}
else if (type == XA_CYCLE)
{
: "locking.");
sprintf (buf, "LOCK ClientMessage received; %s", response);
clientmessage_response (si, window, False, buf, response);
+
+ /* Note that this leaves things in a slightly inconsistent state:
+ we are blanked but not locked. And blanking might actually
+ fail if we can't get the grab. */
set_locked_p (si, True);
+
+ /* Have to set the time or xscreensaver-command doesn't
+ report the LOCK state change. */
+ si->blank_time = time ((time_t *) 0);
+
si->selection_mode = 0;
si->demoing_p = False;
vi_in.screen = ssi->real_screen_number;
vi_out = XGetVisualInfo (si->dpy, VisualScreenMask, &vi_in, &out_count);
if (!vi_out) continue;
- for (j = 0; j < out_count; j++)
+ for (j = 0; j < out_count; j++) {
+ if (vi_out[j].depth >= 32) continue;
if (vi_out[j].class == PseudoColor)
colormapped_depths |= (1 << vi_out[j].depth);
else
non_mapped_depths |= (1 << vi_out[j].depth);
+ }
XFree ((char *) vi_out);
if (colormapped_depths)
projects / xscreensaver / blobdiff