6180449: PIT: Text in TextArea scrolls to its left one char when selecting the text from the end

Reviewed-by: ssadetsky, psadhukhan

jdk/src/java.desktop/windows/native/libawt/windows/awt_TextArea.cpp

@@ -73,10 +73,7 @@ AwtTextArea* AwtTextArea::Create(jobject peer, jobject parent)
 }
 
 void AwtTextArea::EditSetSel(CHARRANGE &cr) {
-    // Fix for 5003402: added restoring/hiding selection to enable automatic scrolling
-    SendMessage(EM_HIDESELECTION, FALSE, TRUE);
     SendMessage(EM_EXSETSEL, 0, reinterpret_cast<LPARAM>(&cr));
-    SendMessage(EM_HIDESELECTION, TRUE, TRUE);
     // 6417581: force expected drawing
     if (IS_WINVISTA && cr.cpMin == cr.cpMax) {
         ::InvalidateRect(GetHWnd(), NULL, TRUE);

jdk/test/java/awt/TextArea/TextAreaScrolling/TextAreaScrolling.java

@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/*
+ @test
+ @bug 6180449
+ @summary TextArea scrolls to its left when selecting the text from the end.
+ @run main TextAreaScrolling
+ */
+
+import java.awt.Frame;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.TextArea;
+import java.awt.event.InputEvent;
+
+public class TextAreaScrolling {
+    Frame mainFrame;
+    TextArea textArea;
+    Robot robot;
+
+    TextAreaScrolling() {
+        mainFrame = new Frame();
+        mainFrame.setSize(200, 200);
+        mainFrame.setLocation(200, 200);
+
+        textArea = new TextArea();
+        textArea.setText("1234 5678");
+        textArea.setSelectionStart(3);
+        textArea.setSelectionStart(4);
+        mainFrame.add(textArea);
+        mainFrame.setVisible(true);
+        textArea.requestFocusInWindow();
+
+        try {
+            robot = new Robot();
+            robot.setAutoWaitForIdle(true);
+        } catch (Exception ex) {
+            dispose();
+            System.exit(0);
+            throw new RuntimeException("Robot Creation Failed");
+        }
+    }
+
+    public void dispose() {
+        if (mainFrame != null) {
+            mainFrame.dispose();
+        }
+    }
+
+    public void performTest() {
+        Point loc = textArea.getLocationOnScreen();
+        Rectangle textAreaBounds = new Rectangle();
+        textArea.getBounds(textAreaBounds);
+
+        // Move mouse at center in first row of TextArea.
+        robot.mouseMove(loc.x + textAreaBounds.width / 2, loc.y + 5);
+
+        // Perform selection by scrolling to left from end of char sequence.
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        robot.mouseMove(textAreaBounds.x - 5, loc.y + 5);
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+
+        // Perform double click on beginning word of TextArea
+        robot.mouseMove(loc.x + 5, loc.y + 5);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        robot.delay(100);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        robot.delay(100);
+
+        if (textArea.getSelectedText().contentEquals("5678")) {
+            dispose();
+            throw new RuntimeException ("TextArea over scrolled towards left"
+                + "Expected selected text: '1234 ' and for mac '1234'"
+                + "Actual selected text: 5678");
+        }
+    }
+
+    public static void main(String argv[]) throws RuntimeException {
+        TextAreaScrolling test = new TextAreaScrolling();
+        test.performTest();
+        test.dispose();
+    }
+}