Patch to make volume keys change volume instead of in-game action, by lmak

project/java/Globals.java

@@ -103,4 +103,5 @@ class Globals {
 	public static String DataDir = new String("");
 	public static boolean SmoothVideo = false;
 	public static boolean MultiThreadedVideo = false;
+	public static int RemapKeymask = 0;
 }

project/java/MainActivity.java

@@ -325,10 +325,13 @@ public class MainActivity extends Activity {
 			_screenKeyboard.onKeyDown(keyCode, event);
 		else
 		if( mGLView != null )
-			 mGLView.nativeKey( keyCode, 1 );
+		{
+			if( !mGLView.callNativeKey( keyCode, 1 ) )
+				return super.onKeyDown(keyCode, event);
+		}
 		else
 		if( keyCode == KeyEvent.KEYCODE_BACK && downloader != null )
-		{ 
+		{
 			if( downloader.DownloadFailed )
 				System.exit(1);
 			if( !downloader.DownloadComplete )
@@ -349,7 +352,10 @@ public class MainActivity extends Activity {
 			_screenKeyboard.onKeyUp(keyCode, event);
 		else
 		if( mGLView != null )
-			mGLView.nativeKey( keyCode, 0 );
+		{
+			if( !mGLView.callNativeKey( keyCode, 0 ) )
+				return super.onKeyUp(keyCode, event);
+		}
 		return true;
 	}
 	

project/java/Video.java

@@ -401,16 +401,28 @@ class DemoGLSurfaceView extends GLSurfaceView_SDL {
 
 	@Override
 	public boolean onKeyDown(int keyCode, final KeyEvent event) {
-		 nativeKey( keyCode, 1 );
-		 return true;
+		if( !callNativeKey( keyCode, 1 ) )
+         		return super.onKeyDown(keyCode, event);
+		return true;
 	 }
 	
 	@Override
 	public boolean onKeyUp(int keyCode, final KeyEvent event) {
-		 nativeKey( keyCode, 0 );
-		 return true;
+		if( !callNativeKey( keyCode, 0 ) )
+         		return super.onKeyUp(keyCode, event);
+		return true;
 	 }
 
+	public boolean callNativeKey(int keyCode, int down) {
+		if( (Globals.RemapKeymask & keyCode ) == keyCode )
+		{
+			// no remap made for the key
+			return false;
+		}
+		nativeKey( keyCode, down );
+		return true;
+	}
+
 	DemoRenderer mRenderer;
 	MainActivity mParent;
 	DifferentTouchInput touchInput = null;