7124210: [macosx] Replacing text in a TextField does generate an extra TextEvent

Reviewed-by: serb

src/macosx/classes/sun/lwawt/LWTextAreaPeer.java

@@ -210,6 +210,15 @@ final class LWTextAreaPeer
                 super();
             }
 
+            @Override
+            public void replaceSelection(String content) {
+                getDocument().removeDocumentListener(LWTextAreaPeer.this);
+                super.replaceSelection(content);
+                // post only one text event in this case
+                postTextEvent();
+                getDocument().addDocumentListener(LWTextAreaPeer.this);
+            }
+
             @Override
             public boolean hasFocus() {
                 return getTarget().hasFocus();

src/macosx/classes/sun/lwawt/LWTextComponentPeer.java

@@ -187,7 +187,7 @@ abstract class LWTextComponentPeer<T extends TextComponent, D extends JComponent
         }
     }
 
-    private void sendTextEvent(final DocumentEvent e) {
+    protected final void postTextEvent() {
         postEvent(new TextEvent(getTarget(), TextEvent.TEXT_VALUE_CHANGED));
         synchronized (getDelegateLock()) {
             revalidate();
@@ -196,17 +196,17 @@ abstract class LWTextComponentPeer<T extends TextComponent, D extends JComponent
 
     @Override
     public final void changedUpdate(final DocumentEvent e) {
-        sendTextEvent(e);
+        postTextEvent();
     }
 
     @Override
     public final void insertUpdate(final DocumentEvent e) {
-        sendTextEvent(e);
+        postTextEvent();
     }
 
     @Override
     public final void removeUpdate(final DocumentEvent e) {
-        sendTextEvent(e);
+        postTextEvent();
     }
 
     @Override

src/macosx/classes/sun/lwawt/LWTextFieldPeer.java

@@ -95,7 +95,7 @@ final class LWTextFieldPeer
     @Override
     public void actionPerformed(final ActionEvent e) {
         postEvent(new ActionEvent(getTarget(), ActionEvent.ACTION_PERFORMED,
-                                  getText(), e.getWhen(), e.getModifiers()));
+                getText(), e.getWhen(), e.getModifiers()));
     }
 
     /**
@@ -121,6 +121,15 @@ final class LWTextFieldPeer
             super();
         }
 
+        @Override
+        public void replaceSelection(String content) {
+            getDocument().removeDocumentListener(LWTextFieldPeer.this);
+            super.replaceSelection(content);
+            // post only one text event in this case
+            postTextEvent();
+            getDocument().addDocumentListener(LWTextFieldPeer.this);
+        }
+
         @Override
         public boolean hasFocus() {
             return getTarget().hasFocus();