--- a/src/Graphics/Input.cc	Thu Jan 22 00:13:53 2009 +0200
+++ b/src/Graphics/Input.cc	Thu Jan 22 00:28:26 2009 +0200
@@ -151,7 +151,7 @@
         return;
 
     // all bits that are held down, even those ignored
-    BitMaskType raw_value = 0;
+    BitMaskType raw_value = 0, this_value = 0;
 
     // update the key-repeat queue
     queue.update(dt);
@@ -187,15 +187,23 @@
                 }
             }
 
-            // set bit in masks
-            this->value |= e->input;
+            // set bit in value mask
+            this_value |= e->input;
         }
     }
 
+    // signal unless value was and remains zero
+    if (this_value || prev_value) {
+        // trigger signal
+        _sig_input(this_value, dt);
+    } 
+
     // update prev_value, also adding ignored values
     prev_value = raw_value;
 
-    // then increment our dt
+    // update our collective value + dt for use with readValue
+    // XXX: remove this functionality?
+    value |= this_value;
     this->dt += dt;
 }