/*
- * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
+ * Sixth 3D engine. Copyright ©2012-2019, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 3 of the GNU Lesser General Public License
public interface UserInputHandler extends ViewRenderListener {
- void focusLost(ViewPanel viewPanel);
-
- void focusReceived(ViewPanel viewPanel);
-
- void keyPressed(KeyEvent event, ViewPanel viewPanel);
-
- void keyReleased(KeyEvent event, ViewPanel viewPanel);
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean focusLost(ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean focusReceived(ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean keyPressed(KeyEvent event, ViewPanel viewPanel);
+
+ /**
+ * @return <code>true</code> if view update is needed.
+ */
+ boolean keyReleased(KeyEvent event, ViewPanel viewPanel);
}