--- rxvt-unicode/src/rxvttoolkit.h	2007/12/26 14:22:30	1.40
+++ rxvt-unicode/src/rxvttoolkit.h	2008/01/26 10:15:20	1.44
@@ -75,7 +75,7 @@
   XA_XEMBED_INFO,
 #endif
 #if !ENABLE_MINIMAL
-  // these are usually allocated by other subsystens, but we do it
+  // these are usually allocated by other subsystems, but we do it
   // here to avoid a server roundtrip.
   XA_SCREEN_RESOURCES,
   XA_XDCCC_LINEAR_RGB_CORRECTION,
@@ -220,7 +220,7 @@
 {
   event_vec<xevent_watcher> xw;
 
-  ev::prepare flush_ev; void flush_cb (ev::prepare &w, int revents);
+  ev::idle flush_ev; void flush_cb (ev::idle &w, int revents);
   ev::io      x_ev    ; void x_cb     (ev::io      &w, int revents);
 
 #ifdef USE_XIM
@@ -331,6 +331,15 @@
   bool operator == (const rxvt_color &b) const { return Pixel (*this) == Pixel (b); }
   bool operator != (const rxvt_color &b) const { return Pixel (*this) != Pixel (b); }
 
+  bool is_opaque () const
+  {
+#if XFT
+    return c.color.alpha == rgba::MAX_CC;
+#else
+    return 1;
+#endif
+  }
+
   bool alloc (rxvt_screen *screen, const rgba &color);
   void free (rxvt_screen *screen);