Widgets: fix Z-Order on up/down mouse events

[fanfix.git] / src / jexer / TApplication.java

diff --git a/src/jexer/TApplication.java b/src/jexer/TApplication.java
index 9f15ccbc4f5d33b6b21291a151da2cd41c78a870..c2aa656e805ac4ea4eb0dd8766c2aaa2eacb7840 100644 (file)
--- a/src/jexer/TApplication.java
+++ b/src/jexer/TApplication.java
@@ -3,7 +3,7 @@
  *
  * The MIT License (MIT)
  *
- * Copyright (C) 2016 Kevin Lamonte
+ * Copyright (C) 2017 Kevin Lamonte
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -721,7 +721,10 @@ public class TApplication implements Runnable {
         // Draw each window in reverse Z order
         List<TWindow> sorted = new LinkedList<TWindow>(windows);
         Collections.sort(sorted);
-        TWindow topLevel = sorted.get(0);
+        TWindow topLevel = null;
+        if (sorted.size() > 0) {
+            topLevel = sorted.get(0);
+        }
         Collections.reverse(sorted);
         for (TWindow window: sorted) {
             window.drawChildren();
@@ -768,7 +771,10 @@ public class TApplication implements Runnable {
         }
 
         // Draw the status bar of the top-level window
-        TStatusBar statusBar = topLevel.getStatusBar();
+        TStatusBar statusBar = null;
+        if (topLevel != null) {
+            statusBar = topLevel.getStatusBar();
+        }
         if (statusBar != null) {
             getScreen().resetClipping();
             statusBar.setWidth(getScreen().getWidth());