http://packetstormsecurity.org/UNIX/admin/xscreensaver-3.34.tar.gz

[xscreensaver] / driver / timers.c

diff --git a/driver/timers.c b/driver/timers.c
index a6a9486fb8fd312e8ec0a1d61663c79f8084e544..1e66c7705f841cacc358076e50eb87e1f088aac1 100644 (file)
--- a/driver/timers.c
+++ b/driver/timers.c
@@ -230,8 +230,6 @@ cycle_timer (XtPointer closure, XtIntervalId *id)
   else
     {
       maybe_reload_init_file (si);
-      if (p->verbose_p)
-       fprintf (stderr, "%s: changing graphics hacks.\n", blurb());
       kill_screenhack (si);
 
       if (!si->throttled_p)
@@ -245,14 +243,25 @@ cycle_timer (XtPointer closure, XtIntervalId *id)
         }
     }
 
-  si->cycle_id = XtAppAddTimeOut (si->app, how_long, cycle_timer,
-                                 (XtPointer) si);
+  if (how_long > 0)
+    {
+      si->cycle_id = XtAppAddTimeOut (si->app, how_long, cycle_timer,
+                                      (XtPointer) si);
 
-#ifdef DEBUG_TIMERS
-  if (p->verbose_p)
-    fprintf (stderr, "%s: starting cycle_timer (%ld, %ld)\n",
-           blurb(), how_long, si->cycle_id);
-#endif /* DEBUG_TIMERS */
+# ifdef DEBUG_TIMERS
+      if (p->verbose_p)
+        fprintf (stderr, "%s: starting cycle_timer (%ld, %ld)\n",
+                 blurb(), how_long, si->cycle_id);
+# endif /* DEBUG_TIMERS */
+    }
+# ifdef DEBUG_TIMERS
+  else
+    {
+      if (p->verbose_p)
+        fprintf (stderr, "%s: not starting cycle_timer: how_long == %d\n",
+                 blurb(), how_long);
+    }
+# endif /* DEBUG_TIMERS */
 }
 
 
@@ -270,7 +279,7 @@ activate_lock_timer (XtPointer closure, XtIntervalId *id)
 
 /* Call this when user activity (or "simulated" activity) has been noticed.
  */
-static void
+void
 reset_timers (saver_info *si)
 {
   saver_preferences *p = &si->prefs;
@@ -348,6 +357,16 @@ check_pointer_timer (XtPointer closure, XtIntervalId *id)
        else
          fprintf (stderr, "%s: pointer moved at %s on screen %d.\n",
                   blurb(), timestring(), i);
+
+# if 0
+      fprintf (stderr, "%s: old: %d %d 0x%x ; new: %d %d 0x%x\n",
+               blurb(), 
+               ssi->poll_mouse_last_root_x,
+               ssi->poll_mouse_last_root_y,
+               (unsigned int) ssi->poll_mouse_last_child,
+               root_x, root_y, (unsigned int) child);
+# endif /* 0 */
+
 #endif /* DEBUG_TIMERS */
 
       si->last_activity_screen    = ssi;
@@ -440,6 +459,63 @@ dispatch_event (saver_info *si, XEvent *event)
 }
 
 
+static void
+swallow_unlock_typeahead_events (saver_info *si, XEvent *e)
+{
+  XEvent event;
+  char buf [100];
+  int i = 0;
+
+  memset (buf, 0, sizeof(buf));
+
+  event = *e;
+
+  do
+    {
+      if (event.xany.type == KeyPress)
+        {
+          char s[2];
+          int size = XLookupString ((XKeyEvent *) &event, s, 1, 0, 0);
+          if (size != 1) continue;
+          switch (*s)
+            {
+            case '\010': case '\177':                  /* Backspace */
+              if (i > 0) i--;
+              break;
+            case '\025': case '\030':                  /* Erase line */
+            case '\012': case '\015':                  /* Enter */
+              i = 0;
+              break;
+            case '\040':                               /* Space */
+              if (i == 0)
+                break;  /* ignore space at beginning of line */
+              /* else, fall through */
+            default:
+              buf [i++] = *s;
+              break;
+            }
+        }
+
+    } while (i < sizeof(buf)-1 &&
+             XCheckMaskEvent (si->dpy, KeyPressMask, &event));
+
+  buf[i] = 0;
+
+  if (si->unlock_typeahead)
+    {
+      memset (si->unlock_typeahead, 0, strlen(si->unlock_typeahead));
+      free (si->unlock_typeahead);
+    }
+
+  if (i > 0)
+    si->unlock_typeahead = strdup (buf);
+  else
+    si->unlock_typeahead = 0;
+
+  memset (buf, 0, sizeof(buf));
+}
+
+
 /* methods of detecting idleness:
 
       explicitly informed by SGI SCREEN_SAVER server event;
@@ -752,8 +828,13 @@ sleep_until_idle (saver_info *si, Bool until_idle_p)
      doesn't exhibit itself without an extension, because in that case,
      there's only one event generated by user activity, not two.)
    */
-  XCheckMaskEvent (si->dpy, (KeyPressMask|ButtonPressMask|PointerMotionMask),
-                  &event);
+  if (!until_idle_p && si->locked_p)
+    swallow_unlock_typeahead_events (si, &event);
+  else
+    while (XCheckMaskEvent (si->dpy,
+                            (KeyPressMask|ButtonPressMask|PointerMotionMask),
+                     &event))
+      ;
 
 
   if (si->check_pointer_timer_id)
@@ -1001,9 +1082,18 @@ static void
 watchdog_timer (XtPointer closure, XtIntervalId *id)
 {
   saver_info *si = (saver_info *) closure;
+  saver_preferences *p = &si->prefs;
 
   disable_builtin_screensaver (si, False);
 
+  /* If the DPMS settings on the server have changed, change them back to
+     what ~/.xscreensaver says they should be. */
+  sync_server_dpms_settings (si->dpy, p->dpms_enabled_p,
+                             p->dpms_standby / 1000,
+                             p->dpms_suspend / 1000,
+                             p->dpms_off / 1000,
+                             False);
+
   if (si->screen_blanked_p)
     {
       Bool running_p = screenhack_running_p (si);
@@ -1027,11 +1117,12 @@ watchdog_timer (XtPointer closure, XtIntervalId *id)
           raise_window (si, True, True, running_p);
         }
 
-      if (!monitor_powered_on_p (si))
+      if (screenhack_running_p (si) &&
+          !monitor_powered_on_p (si))
        {
          if (si->prefs.verbose_p)
            fprintf (stderr,
-                    "%s: server reports that monitor has powered down; "
+                    "%s: X says monitor has powered down; "
                     "killing running hacks.\n", blurb());
          kill_screenhack (si);
        }