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diff --git a/NxWidgets/UnitTests/CLatchButtonArray/clatchbuttonarraytest.cxx b/NxWidgets/UnitTests/CLatchButtonArray/clatchbuttonarraytest.cxx
new file mode 100644
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+++ b/NxWidgets/UnitTests/CLatchButtonArray/clatchbuttonarraytest.cxx
@@ -0,0 +1,301 @@
+/////////////////////////////////////////////////////////////////////////////
+// NxWidgets/UnitTests/CLatchButtonArray/clatchbuttonarraytest.cxx
+//
+//   Copyright (C) 2012 Gregory Nutt. All rights reserved.
+//   Author: Gregory Nutt <gnutt@nuttx.org>
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions
+// are met:
+//
+// 1. Redistributions of source code must retain the above copyright
+//    notice, this list of conditions and the following disclaimer.
+// 2. Redistributions in binary form must reproduce the above copyright
+//    notice, this list of conditions and the following disclaimer in
+//    the documentation and/or other materials provided with the
+//    distribution.
+// 3. Neither the name NuttX, NxWidgets, nor the names of its contributors
+//    me be used to endorse or promote products derived from this software
+//    without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+// OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+// POSSIBILITY OF SUCH DAMAGE.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Included Files
+/////////////////////////////////////////////////////////////////////////////
+
+#include <nuttx/config.h>
+
+#include <nuttx/init.h>
+#include <cstdio>
+#include <cerrno>
+#include <debug.h>
+
+#include <nuttx/nx/nx.h>
+#include <nuttx/nx/nxfonts.h>
+
+#include "nxconfig.hxx"
+#include "clatchbuttonarraytest.hxx"
+#include "cbgwindow.hxx"
+
+/////////////////////////////////////////////////////////////////////////////
+// Definitions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Classes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Function Prototypes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// CLatchButtonArrayTest Method Implementations
+/////////////////////////////////////////////////////////////////////////////
+
+// CLatchButtonArrayTest Constructor
+
+CLatchButtonArrayTest::CLatchButtonArrayTest()
+{
+  m_widgetControl = (CWidgetControl *)NULL;
+  m_bgWindow      = (CBgWindow *)NULL;
+}
+
+// CLatchButtonArrayTest Descriptor
+
+CLatchButtonArrayTest::~CLatchButtonArrayTest()
+{
+  disconnect();
+}
+
+// Connect to the NX server
+
+bool CLatchButtonArrayTest::connect(void)
+{
+  // Connect to the server
+
+  bool nxConnected = CNxServer::connect();
+  if (nxConnected)
+    {
+      // Set the background color
+
+      if (!setBackgroundColor(CONFIG_CLATCHBUTTONARRAYTEST_BGCOLOR))
+        {
+          message("CLatchButtonArrayTest::connect: setBackgroundColor failed\n");
+        }
+    }
+
+  return nxConnected;
+}
+
+// Disconnect from the NX server
+
+void CLatchButtonArrayTest::disconnect(void)
+{
+  // Close the window
+
+  if (m_bgWindow)
+    {
+      delete m_bgWindow;
+    }
+
+  // Destroy the widget control
+
+  if (m_widgetControl)
+    {
+      delete m_widgetControl;
+    }
+
+  // And disconnect from the server
+
+  CNxServer::disconnect();
+}
+
+// Create the background window instance.  This function illustrates
+// the basic steps to instantiate any window:
+//
+// 1) Create a dumb CWigetControl instance
+// 2) Pass the dumb CWidgetControl instance to the window constructor
+//    that inherits from INxWindow.  This will "smarten" the CWidgetControl
+//    instance with some window knowlede
+// 3) Call the open() method on the window to display the window.
+// 4) After that, the fully smartened CWidgetControl instance can
+//    be used to generate additional widgets by passing it to the
+//    widget constructor
+
+bool CLatchButtonArrayTest::createWindow(void)
+{
+  // Initialize the widget control using the default style
+
+  m_widgetControl = new CWidgetControl((CWidgetStyle *)NULL);
+
+  // Get an (uninitialized) instance of the background window as a class
+  // that derives from INxWindow.
+
+  m_bgWindow = getBgWindow(m_widgetControl);
+  if (!m_bgWindow)
+    {
+      message("CLatchButtonArrayTest::createGraphics: Failed to create CBgWindow instance\n");
+      delete m_widgetControl;
+      return false;
+    }
+
+  // Open (and initialize) the window
+
+  bool success = m_bgWindow->open();
+  if (!success)
+    {
+      message("CLatchButtonArrayTest::createGraphics: Failed to open background window\n");
+      delete m_bgWindow;
+      m_bgWindow = (CBgWindow*)0;
+      return false;
+    }
+
+  return true;
+}
+
+// Create a CLatchButtonArray instance
+
+CLatchButtonArray *CLatchButtonArrayTest::createButtonArray(void)
+{
+  // Get the width of the display
+
+  struct nxgl_size_s windowSize;
+  if (!m_bgWindow->getSize(&windowSize))
+    {
+      message("CLatchButtonArrayTest::createGraphics: Failed to get window size\n");
+      return (CLatchButtonArray *)NULL;
+    }
+
+  // Pick an X/Y position such that the button array will be centered in the display
+
+  nxgl_coord_t buttonArrayX;
+  if (BUTTONARRAY_WIDTH >= windowSize.w)
+    {
+      buttonArrayX = 0;
+    }
+  else
+    {
+      buttonArrayX = (windowSize.w - BUTTONARRAY_WIDTH) >> 1;
+    }
+
+  nxgl_coord_t buttonArrayY;
+  if (BUTTONARRAY_HEIGHT >= windowSize.h)
+    {
+      buttonArrayY = 0;
+    }
+  else
+    {
+      buttonArrayY = (windowSize.h - BUTTONARRAY_HEIGHT) >> 1;
+    }
+
+  // Now we have enough information to create the button array
+
+  return new CLatchButtonArray(m_widgetControl,
+                          buttonArrayX, buttonArrayY,
+                          BUTTONARRAY_NCOLUMNS, BUTTONARRAY_NROWS,
+                          BUTTONARRAY_BUTTONWIDTH, BUTTONARRAY_BUTTONHEIGHT);
+}
+
+// Draw the button array
+
+void CLatchButtonArrayTest::showButton(CLatchButtonArray *buttonArray)
+{
+  buttonArray->enable();        // Un-necessary, the widget is enabled by default
+  buttonArray->enableDrawing();
+  buttonArray->redraw();
+}
+
+// Perform a simulated mouse click on a button in the array.  This method injects
+// the mouse click through the NX heirarchy just as would real mouse
+// hardward.
+
+void CLatchButtonArrayTest::click(CLatchButtonArray *buttonArray, int column, int row)
+{
+  // nx_mousein is meant to be called by mouse handling software.
+  // Here we just inject a left-button click directly in the center of
+  // the selected button.
+
+  // First, get the server handle.  Graphics software will never care
+  // about the server handle.  Here we need it to get access to the
+  // low-level mouse interface
+
+  NXHANDLE handle = getServer();
+
+  // The the coorinates of the center of the button
+
+  nxgl_coord_t buttonX = buttonArray->getX() +
+                         column * BUTTONARRAY_BUTTONWIDTH +
+                         BUTTONARRAY_BUTTONWIDTH/2;
+  nxgl_coord_t buttonY = buttonArray->getY() +
+                         row * BUTTONARRAY_BUTTONHEIGHT +
+                         BUTTONARRAY_BUTTONHEIGHT/2;
+
+  // Then inject the mouse click
+
+  (void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_LEFTBUTTON);
+}
+
+// The counterpart to click.  This simulates a button release through
+// the same mechanism.
+
+void CLatchButtonArrayTest::release(CLatchButtonArray *buttonArray, int column, int row)
+{
+  // nx_mousein is meant to be called by mouse handling software.
+  // Here we just inject a left-button click directly in the center of
+  // the button.
+
+  // First, get the server handle.  Graphics software will never care
+  // about the server handle.  Here we need it to get access to the
+  // low-level mouse interface
+
+  NXHANDLE handle = getServer();
+
+  // The the coorinates of the center of the button
+
+  nxgl_coord_t buttonX = buttonArray->getX() +
+                         column * BUTTONARRAY_BUTTONWIDTH +
+                         BUTTONARRAY_BUTTONWIDTH/2;
+  nxgl_coord_t buttonY = buttonArray->getY() +
+                         row * BUTTONARRAY_BUTTONHEIGHT +
+                         BUTTONARRAY_BUTTONHEIGHT/2;
+
+  // Then inject the mouse release
+
+  (void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_NOBUTTONS);
+}
+
+// Widget events are normally handled in a modal loop (by calling goModal()).
+// However, for this case we know when there should be press and release
+// events so we don't have to poll.  We can just perform a one pass poll
+// then check if the event was processed corredly.
+
+void CLatchButtonArrayTest::poll(CLatchButtonArray *button)
+{
+  // Poll for mouse events
+
+  m_widgetControl->pollEvents(button);
+}
+