Apply Guichan's changes from 1ca1ea270f50bb33bb5b06402808075b837c1e9c…

TODO

@@ -1,4 +1,4 @@
-* Continue rebasing from 2f431b404983b49adfd3cca1c39a9b0a9616e70d
+* Continue rebasing from 3cffde49fee87bfe5a426e8c799f143ed965cc60
 * Add a focus listener interface.
 * Make focus apply synchronously.
 * Graphics and input objects for DirectX.

include/guisan/key.hpp

@@ -122,6 +122,23 @@ namespace gcn
          */
         char getChar() const;
 
+
+        /**
+         * Compares to keys.
+         * 
+         * @param key The key to compare this key with.
+         * @return True if the keys are equal, false otherwise.
+         */
+        bool operator==(const Key& key) const;
+
+        /**
+         * Compares to keys.
+         * 
+         * @param key The key to compare this key with.
+         * @return True if the keys are not equal, false otherwise.
+         */
+        bool operator!=(const Key& key) const;
+
         /**
          * An enum with key values.
          */

src/key.cpp

@@ -96,12 +96,22 @@ namespace gcn
     {
         return mValue;
     }
-
-	char Key::getChar() const
-	{
-		if(mValue == 9 || mValue == 13 || (mValue <= 122 && mValue >= 32))
-			return (char)mValue;
-
-		return '\0';
-	}
+
+    char Key::getChar() const
+    {
+        if (mValue == 9 || mValue == 13 || (mValue <= 122 && mValue >= 32))
+            return (char) mValue;
+
+        return '\0';
+    }
+
+    bool Key::operator==(const Key& key) const
+    {
+        return mValue == key.mValue;
+    }
+
+    bool Key::operator!=(const Key& key) const
+    {
+        return (mValue != key.mValue);
+    }
 }