Merge commit '77d3a60869e7a780c6ae069e51530e1eacece5e2'

[fanfix.git] / src / jexer / backend / Backend.java

diff --git a/src/jexer/backend/Backend.java b/src/jexer/backend/Backend.java
index 2793ab00fa0eef73740b055cdd87f04dc8f92ace..eaed7e64966228e6386d21349c757ae80efaa5e2 100644 (file)
--- a/src/jexer/backend/Backend.java
+++ b/src/jexer/backend/Backend.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (C) 2017 Kevin Lamonte
+ * Copyright (C) 2019 Kevin Lamonte
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -60,6 +60,13 @@ public interface Backend {
      */
     public void flushScreen();
 
+    /**
+     * Check if there are events in the queue.
+     *
+     * @return if true, getEvents() has something to return to the application
+     */
+    public boolean hasEvents();
+
     /**
      * Classes must provide an implementation to get keyboard, mouse, and
      * screen resize events.
@@ -81,4 +88,17 @@ public interface Backend {
      */
     public void setTitle(final String title);
 
+    /**
+     * Set listener to a different Object.
+     *
+     * @param listener the new listening object that run() wakes up on new
+     * input
+     */
+    public void setListener(final Object listener);
+
+    /**
+     * Reload backend options from System properties.
+     */
+    public void reloadOptions();
+
 }