ftp://ftp.linux.ncsu.edu/mirror/ftp.redhat.com/pub/redhat/linux/enterprise/4/en/os...

[xscreensaver] / driver / lock.c

diff --git a/driver/lock.c b/driver/lock.c
index 47c1b4ee515b3ed3082dc6a9aa814b59bbb5aa81..2aa61f637daa8f9178ee7b31521651f7c9c7d57e 100644 (file)
--- a/driver/lock.c
+++ b/driver/lock.c
@@ -1,5 +1,5 @@
 /* lock.c --- handling the password dialog for locking-mode.
- * xscreensaver, Copyright (c) 1993-2002 Jamie Zawinski <jwz@jwz.org>
+ * xscreensaver, Copyright (c) 1993-2004 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
@@ -407,7 +407,11 @@ make_passwd_window (saver_info *si)
                   attrmask, &attrs);
   XSetWindowBackground (si->dpy, si->passwd_dialog, pw->background);
 
-  pw->logo_pixmap = xscreensaver_logo (ssi->screen, ssi->current_visual,
+  /* We use the default visual, not ssi->visual, so that the logo pixmap's
+     visual matches that of the si->passwd_dialog window. */
+  pw->logo_pixmap = xscreensaver_logo (ssi->screen,
+                                       /* ssi->current_visual, */
+                                       DefaultVisualOfScreen(screen),
                                        si->passwd_dialog, cmap,
                                        pw->background, 
                                        &pw->logo_pixels, &pw->logo_npixels,
@@ -878,6 +882,16 @@ destroy_passwd_window (saver_info *si)
 }
 
 
+static Bool error_handler_hit_p = False;
+
+static int
+ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error)
+{
+  error_handler_hit_p = True;
+  return 0;
+}
+
+
 #ifdef HAVE_XHPDISABLERESET
 /* This function enables and disables the C-Sh-Reset hot-key, which
    normally resets the X server (logging out the logged-in user.)
@@ -923,15 +937,32 @@ static void
 xfree_lock_grab_smasher (saver_info *si, Bool lock_p)
 {
   saver_preferences *p = &si->prefs;
-  int status = XF86MiscSetGrabKeysState (si->dpy, !lock_p);
+  int status;
+
+  XErrorHandler old_handler;
+  XSync (si->dpy, False);
+  error_handler_hit_p = False;
+  old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+  XSync (si->dpy, False);
+  status = XF86MiscSetGrabKeysState (si->dpy, !lock_p);
+  XSync (si->dpy, False);
+  if (error_handler_hit_p) status = 666;
+
+  if (!lock_p && status == MiscExtGrabStateAlready)
+    status = MiscExtGrabStateSuccess;  /* shut up, consider this success */
 
   if (p->verbose_p && status != MiscExtGrabStateSuccess)
-    fprintf (stderr, "%s: error: XF86MiscSetGrabKeysState returned %s\n",
-             blurb(),
+    fprintf (stderr, "%s: error: XF86MiscSetGrabKeysState(%d) returned %s\n",
+             blurb(), !lock_p,
              (status == MiscExtGrabStateSuccess ? "MiscExtGrabStateSuccess" :
               status == MiscExtGrabStateLocked  ? "MiscExtGrabStateLocked"  :
               status == MiscExtGrabStateAlready ? "MiscExtGrabStateAlready" :
+              status == 666 ? "an X error" :
               "unknown value"));
+
+  XSync (si->dpy, False);
+  XSetErrorHandler (old_handler);
+  XSync (si->dpy, False);
 }
 #endif /* HAVE_XF86MISCSETGRABKEYSSTATE */
 
@@ -1007,9 +1038,6 @@ linux_lock_vt_switch (saver_info *si, Bool lock_p)
  */
 #ifdef HAVE_XF86VMODE
 
-static int ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error);
-static Bool vp_got_error = False;
-
 static void
 xfree_lock_mode_switch (saver_info *si, Bool lock_p)
 {
@@ -1025,14 +1053,15 @@ xfree_lock_mode_switch (saver_info *si, Bool lock_p)
   if (!XF86VidModeQueryExtension (si->dpy, &event, &error))
     return;
 
-  for (screen = 0; screen < si->nscreens; screen++)
+  for (screen = 0; screen < (si->xinerama_p ? 1 : si->nscreens); screen++)
     {
       XSync (si->dpy, False);
       old_handler = XSetErrorHandler (ignore_all_errors_ehandler);
+      error_handler_hit_p = False;
       status = XF86VidModeLockModeSwitch (si->dpy, screen, lock_p);
       XSync (si->dpy, False);
       XSetErrorHandler (old_handler);
-      if (vp_got_error) status = False;
+      if (error_handler_hit_p) status = False;
 
       if (status)
         any_mode_locked_p = lock_p;
@@ -1048,14 +1077,6 @@ xfree_lock_mode_switch (saver_info *si, Bool lock_p)
                  blurb(), screen, (lock_p ? "locked" : "unlocked"));
     }
 }
-
-static int
-ignore_all_errors_ehandler (Display *dpy, XErrorEvent *error)
-{
-  vp_got_error = True;
-  return 0;
-}
-
 #endif /* HAVE_XF86VMODE */
 
 \f
@@ -1142,7 +1163,7 @@ passwd_animate_timer (XtPointer closure, XtIntervalId *id)
   else
     pw->timer = 0;
 
-  idle_timer ((XtPointer) si, id);
+  idle_timer ((XtPointer) si, 0);
 }