8036110: In TextField can only select text visible or to the left of the cursor

Reviewed-by: serb, pchelko

src/windows/native/sun/windows/awt_TextField.cpp

@@ -200,7 +200,10 @@ AwtTextField::HandleEvent(MSG *msg, BOOL synthetic)
             si.cbSize = sizeof(si);
             si.fMask = SIF_PAGE | SIF_POS | SIF_RANGE;
 
+            SendMessage(EM_SHOWSCROLLBAR, SB_HORZ, TRUE);
             VERIFY(::GetScrollInfo(GetHWnd(), SB_HORZ, &si));
+            SendMessage(EM_SHOWSCROLLBAR, SB_HORZ, FALSE);
+
             if (bScrollLeft == TRUE) {
                 si.nPos = si.nPos - si.nPage / 2;
                 si.nPos = max(si.nMin, si.nPos);

test/java/awt/TextField/SelectionInvisibleTest/SelectionInvisibleTest.java

+/*
+ * Copyright (c) 2014, 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.
+ */
+
+import java.awt.FlowLayout;
+import java.awt.Frame;
+import java.awt.Panel;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.TextField;
+import java.awt.Toolkit;
+import java.awt.event.InputEvent;
+import sun.awt.SunToolkit;
+
+/**
+ * @test
+ * @bug 8036110
+ * @author Alexander Scherbatiy
+ * @summary In TextField can only select text visible or to the left
+ * @run main SelectionInvisibleTest
+ */
+
+public class SelectionInvisibleTest {
+
+    private static final String TEXT = "One Two Three Four Five Six Seven Eight Nine ";
+    private static final String LAST_WORD = "Ten";
+
+    public static void main(String[] args) throws Exception {
+
+        Frame frame = new Frame();
+        frame.setSize(300, 200);
+        TextField textField = new TextField(TEXT + LAST_WORD, 30);
+        Panel panel = new Panel(new FlowLayout());
+        panel.add(textField);
+        frame.add(panel);
+        frame.setVisible(true);
+
+        SunToolkit toolkit = (SunToolkit) Toolkit.getDefaultToolkit();
+        toolkit.realSync();
+
+        Robot robot = new Robot();
+        robot.setAutoDelay(50);
+
+        Point point = textField.getLocationOnScreen();
+        int x = point.x + textField.getWidth() / 2;
+        int y = point.y + textField.getHeight() / 2;
+        robot.mouseMove(x, y);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        toolkit.realSync();
+
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        int N = 10;
+        int dx = textField.getWidth() / N;
+        for (int i = 0; i < N; i++) {
+            x += dx;
+            robot.mouseMove(x, y);
+        }
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        toolkit.realSync();
+
+        if (!textField.getSelectedText().endsWith(LAST_WORD)) {
+            throw new RuntimeException("Last word is not selected!");
+        }
+    }
+}