Bug 385168 - Changing input locale leads to sticky ALT key

p=Dainis Jonitis <jonitis@gmail.com>
r=ere, sr=roc

widget/src/windows/nsKeyboardLayout.cpp

@@ -329,6 +329,7 @@ void KeyboardLayout::LoadLayout ()
 #ifndef WINCE
   PRUint32 shiftState;
   BYTE kbdState [256];
+  BYTE originalKbdState [256];
   PRUint16 shiftStatesWithDeadKeys = 0;     // Bitfield with all shift states that have at least one dead-key.
   PRUint16 shiftStatesWithBaseChars = 0;    // Bitfield with all shift states that produce any possible dead-key base characters.
 
@@ -340,9 +341,7 @@ void KeyboardLayout::LoadLayout ()
 
   ReleaseDeadKeyTables ();
 
-#ifndef DEBUG
-  PRBool keyboardInputAlreadyBlocked = !::BlockInput (PR_TRUE);
-#endif
+  ::GetKeyboardState (originalKbdState);
 
   // For each shift state gather all printable characters that are produced
   // for normal case when no any dead-key is active.
@@ -417,10 +416,7 @@ void KeyboardLayout::LoadLayout ()
     }
   }
 
-#ifndef DEBUG
-  if (!keyboardInputAlreadyBlocked)
-    ::BlockInput (PR_FALSE);
-#endif
+  ::SetKeyboardState (originalKbdState);
 #endif
 }