Refactoring.
[sixth-3d.git] / src / main / java / eu / svjatoslav / sixth / e3d / gui / humaninput / UserInputHandler.java
index 21fd667..dcfef5e 100644 (file)
@@ -16,12 +16,24 @@ import java.awt.event.KeyEvent;
 
 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);
 
 }