Merge pull request #607 from JordanMartinez/viewportDirty

Expose viewport dirty as public API

Author: JordanMartinez

richtextfx/src/main/java/org/fxmisc/richtext/GenericStyledArea.java

@@ -493,6 +493,10 @@ public Optional<Tuple2<Codec<PS>, Codec<StyledSegment<SEG, S>>>> getStyleCodecs(
     // rich text changes
     @Override public final EventStream<RichTextChange<PS, SEG, S>> richChanges() { return content.richChanges(); }
 
+    private final SuspendableEventStream<?> viewportDirty;
+    /** Returns an EventStream that emits an event every time the viewport becomes dirty */
+    public final EventStream<?> viewportDirtyEvents() { return viewportDirty; }
+
     /* ********************************************************************** *
      *                                                                        *
      * Private fields                                                         *
@@ -509,8 +513,6 @@ public Optional<Tuple2<Codec<PS>, Codec<StyledSegment<SEG, S>>>> getStyleCodecs(
 
     private boolean followCaretRequested = false;
 
-    private final SuspendableEventStream<?> viewportDirty;
-
     /* ********************************************************************** *
      *                                                                        *
      * Fields necessary for Cloning                                           *