DirectInput: Ignore unmapped components

git-svn-id: file:///home/sven/projects/JOGL/git-svn/svn-server-sync/jinput/trunk@160 e343933a-64c8-49c5-92b1-88f2ce3e89e8

1 files changed, 3 insertions, 1 deletions

diff --git a/plugins/windows/src/java/net/java/games/input/DIControllers.java b/plugins/windows/src/java/net/java/games/input/DIControllers.java
index 0d7f01f..cb4b2d6 100644
--- a/plugins/windows/src/java/net/java/games/input/DIControllers.java
+++ b/plugins/windows/src/java/net/java/games/input/DIControllers.java
@@ -52,13 +52,15 @@ final class DIControllers {
 		if (!device.getNextEvent(di_event))
 			return false;
 		DIDeviceObject object = device.mapEvent(di_event);
+		DIComponent component = device.mapObject(object);
+		if (component == null)
+			return false;
 		int event_value;
 		if (object.isRelative()) {
 			event_value = object.getRelativeEventValue(di_event.getData());
 		} else {
 			event_value = di_event.getData();
 		}
-		DIComponent component = device.mapObject(object);
 		event.set(component, component.getDeviceObject().convertValue(event_value), di_event.getNanos());
 		return true;
 	}