First check-in of NxWidgets

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4505 42af7a65-404d-4744-a932-0658087f49c3

4 files changed, 877 insertions, 0 deletions

diff --git a/NxWidgets/UnitTests/CRadioButton/Makefile b/NxWidgets/UnitTests/CRadioButton/Makefile
new file mode 100644
index 000000000..0b4906dd8
--- /dev/null
+++ b/NxWidgets/UnitTests/CRadioButton/Makefile
@@ -0,0 +1,172 @@
+#################################################################################
+# NxWidgets/UnitTests/CRadioButton/Makefile
+#
+#   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.
+#
+#################################################################################
+
+TESTDIR := ${shell pwd | sed -e 's/ /\\ /g'}
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# Add the path to the NXWidget include directory to the CFLAGS
+
+NXWIDGETS_DIR="$(TESTDIR)/../../NXWidgets/libnxwidgets"
+NXWIDGETS_INC="$(NXWIDGETS_DIR)/include"
+NXWIDGETS_LIB="$(NXWIDGETS_DIR)/libnxwidgets$(LIBEXT)"
+
+INCDIR=$(TOPDIR)/tools/incdir.sh
+ifeq ($(WINTOOL),y)
+  CFLAGS += ${shell $(INCDIR) -w "$(CC)" "$(NXWIDGETS_INC)"}
+  CXXFLAGS += ${shell $(INCDIR) -w "$(CXX)" "$(NXWIDGETS_INC)"}
+else
+  CFLAGS += ${shell $(INCDIR) "$(CC)" "$(NXWIDGETS_INC)"}
+  CXXFLAGS += ${shell $(INCDIR) "$(CXX)" "$(NXWIDGETS_INC)"}
+endif
+
+# Get the path to the archiver tool
+
+TESTTOOL_DIR="$(TESTDIR)/../tools"
+ARCHIVER=$(TESTTOOL_DIR)/addobjs.sh
+
+# Hello, World! C++ Example
+
+ASRCS		=
+CSRCS		=
+CXXSRCS		= main.cxx cradiobuttontest.cxx
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+CXXOBJS		= $(CXXSRCS:.cxx=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS) $(CXXSRCS)
+OBJS		= $(AOBJS) $(COBJS) $(CXXOBJS)
+
+POSIX_BIN	= "$(APPDIR)/libapps$(LIBEXT)"
+ifeq ($(WINTOOL),y)
+  BIN		= "${shell cygpath -w  $(POSIX_BIN)}"
+else
+  BIN		= $(POSIX_BIN)
+endif
+
+ROOTDEPPATH	= --dep-path .
+
+# helloxx built-in application info
+
+APPNAME		= cradiobutton
+PRIORITY	= SCHED_PRIORITY_DEFAULT
+STACKSIZE	= 2048
+
+# Common build
+
+VPATH		= 
+
+all: .built
+.PHONY:	clean depend context disclean chkcxx chklib
+
+# Object file creation targets
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+$(CXXOBJS): %$(OBJEXT): %.cxx
+	$(call COMPILEXX, $<, $@)
+
+# Verify that the NuttX configuration is setup to support C++
+
+chkcxx:
+ifneq ($(CONFIG_HAVE_CXX),y)
+	@echo ""
+	@echo "In order to use this example, you toolchain must support must"
+	@echo ""
+	@echo "  (1) Explicitly select CONFIG_HAVE_CXX to build in C++ support"
+	@echo "  (2) Define CXX, CXXFLAGS, and COMPILEXX in the Make.defs file"
+	@echo "      of the configuration that you are using."
+	@echo ""
+	@exit 1
+endif
+
+# Verify that the NXWidget library has been built
+
+chklib:
+	@( \
+		if [ ! -e "$(NXWIDGETS_LIB)" ]; then \
+			echo "$(NXWIDGETS_LIB) does not exist."; \
+			echo "Please go to $(NXWIDGETS_DIR)"; \
+			echo "and rebuild the library"; \
+			exit 1; \
+		fi; \
+	  )
+
+# Library creation targets
+
+$(NXWIDGETS_LIB): # Just to keep make happy.  chklib does the work.
+
+.built: chkcxx chklib $(OBJS) $(NXWIDGETS_LIB)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $(BIN), $${obj}); \
+	   done ; )
+ifeq ($(WINTOOL),y)
+	@$(ARCHIVER) -w -p "$(CROSSDEV)" $(BIN) $(NXWIDGETS_DIR)
+else
+	@$(ARCHIVER) -p "$(CROSSDEV)" $(BIN) $(NXWIDGETS_DIR)
+endif
+	@touch .built
+
+# Standard housekeeping targets
+
+.context:
+ifeq ($(CONFIG_NSH_BUILTIN_APPS),y)
+	$(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main)
+endif
+	@touch $@
+
+context: .context
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CXX) -- $(CXXFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.cxx b/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.cxx
new file mode 100644
index 000000000..f97089ce7
--- /dev/null
+++ b/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.cxx
@@ -0,0 +1,305 @@
+/////////////////////////////////////////////////////////////////////////////
+// NxWidgets/UnitTests/CRadioButton/cradiobuttontest.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 "cbgwindow.hxx"
+#include "cradiobuttontest.hxx"
+#include "cbitmap.hxx"
+#include "glyphs.hxx"
+
+/////////////////////////////////////////////////////////////////////////////
+// Definitions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Classes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Function Prototypes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// CRadioButtonTest Method Implementations
+/////////////////////////////////////////////////////////////////////////////
+
+// CRadioButtonTest Constructor
+
+CRadioButtonTest::CRadioButtonTest()
+{
+  // Initialize state data
+
+  m_widgetControl = (CWidgetControl *)NULL;
+  m_bgWindow      = (CBgWindow *)NULL;
+
+  // Peek at the radio button glyph to get a good estimate of the size
+
+  m_size.w        = g_radioButtonOn.width;
+  m_size.h        = g_radioButtonOn.height;
+}
+
+// CRadioButtonTest Descriptor
+
+CRadioButtonTest::~CRadioButtonTest(void)
+{
+  disconnect();
+}
+
+// Connect to the NX server
+
+bool CRadioButtonTest::connect(void)
+{
+  // Connect to the server
+
+  bool nxConnected = CNxServer::connect();
+  if (nxConnected)
+    {
+      // Set the background color
+
+      if (!setBackgroundColor(CONFIG_CRADIOBUTTONTEST_BGCOLOR))
+        {
+          message("CRadioButtonTest::connect: setBackgroundColor failed\n");
+        }
+    }
+
+  return nxConnected;
+}
+
+// Disconnect from the NX server
+
+void CRadioButtonTest::disconnect(void)
+{
+  // Free the radiobutton group
+
+  if (m_radioButtonGroup)
+    {
+      delete m_radioButtonGroup;
+      m_radioButtonGroup = (CRadioButtonGroup *)NULL;
+    }
+
+  // Close the window
+
+  if (m_bgWindow)
+    {
+      delete m_bgWindow;
+    }
+
+  // Free the widget control instance
+
+  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 CRadioButtonTest::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("CRadioButtonTest::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("CRadioButtonTest::createGraphics: Failed to open background window\n");
+      delete m_bgWindow;
+      m_bgWindow = (CBgWindow*)0;
+      return false;
+    }
+
+  return true;
+}
+
+// Create a CRadioButton instance
+
+CRadioButton *CRadioButtonTest::newRadioButton(void)
+{
+  // Get the width of the display
+
+  struct nxgl_size_s windowSize;
+  if (!m_bgWindow->getSize(&windowSize))
+    {
+      message("CRadioButtonTest::newRadioButton: Failed to get window size\n");
+      return (CRadioButton *)NULL;
+    }
+
+  // Create the radio button group, if we have not already done so
+
+  if (!m_radioButtonGroup)
+    {
+      // Start the radio button group in the center of the upper, left
+      // quadrant.  The initial size is 0,0 and the default style is used.
+ 
+      nxgl_coord_t groupX = windowSize.w >> 2;
+      nxgl_coord_t groupY = windowSize.h >> 2;
+
+      m_radioButtonGroup = new CRadioButtonGroup(m_widgetControl, groupX, groupY);
+      if (!m_radioButtonGroup)
+        {
+          message("CRadioButtonTest::newRadioButton: Failed to create the radio button group\n");
+          return (CRadioButton *)NULL;
+        }
+    }
+
+  // Create the new radio button at the botton of the radio button group and
+  // with the size of the ON radio button glyph (they all need to be the same
+  // size!).  Note that coordinates are relative to the parent bounding box.
+
+  nxgl_coord_t buttonX = 0;
+  nxgl_coord_t buttonY = m_radioButtonGroup->getHeight();
+
+  return m_radioButtonGroup->newRadioButton(buttonX, buttonY, m_size.w, m_size.h);
+}
+
+// (Re-)draw the buttons.
+
+void CRadioButtonTest::showButtons(void)
+{
+  m_radioButtonGroup->enable();        // Un-necessary, the widget is enabled by default
+  m_radioButtonGroup->enableDrawing();
+  m_radioButtonGroup->redraw();
+}
+
+// Push the radio button
+
+void CRadioButtonTest::pushButton(CRadioButton *button)
+{
+  // Get the button center coordinates
+
+  nxgl_coord_t buttonX = button->getX() + (button->getWidth() >> 1);
+  nxgl_coord_t buttonY = button->getY() + (button->getHeight() >> 1);
+
+  // Then push the button by calling nx_mousein.  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 radio 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();
+
+  // Then inject the mouse click
+
+  (void)nx_mousein(handle, buttonX, buttonY, NX_MOUSE_LEFTBUTTON);
+
+  // Poll for mouse events
+  //
+  // Widget events are normally handled in a modal loop (by calling goModal()).
+  // However, for this case we know that we just pressed the mouse button
+  // so we don't have to poll.  We can just perform a one pass poll then
+  // then check if the mouse event was processed corredly.
+
+  m_widgetControl->pollEvents(m_radioButtonGroup);
+
+  // Then inject the mouse release
+
+  (void)nx_mousein(handle, buttonX, buttonY, 0);
+
+  // And poll for more mouse events
+
+  m_widgetControl->pollEvents(m_radioButtonGroup);
+
+  // And re-draw the buttons (the mouse click event should have automatically
+  // triggered the re-draw)
+  //
+  // showButtons();
+}
+
+// Show the state of the radio button group
+
+void CRadioButtonTest::showButtonState(void)
+{
+  int index = m_radioButtonGroup->getSelectedIndex();
+  if (index < 0)
+    {
+      message("CRadioButtonTest::showButtonState No button is pressed\n");
+    }
+  else
+    {
+      message("CRadioButtonTest::showButtonState button%d is selected\n", index+1);
+    }
+}
diff --git a/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.hxx b/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.hxx
new file mode 100644
index 000000000..563049dcf
--- /dev/null
+++ b/NxWidgets/UnitTests/CRadioButton/cradiobuttontest.hxx
@@ -0,0 +1,162 @@
+/////////////////////////////////////////////////////////////////////////////
+// NxWidgets/UnitTests/CRadioButton/cradiobuttontest.hxx
+//
+//   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.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef __UNITTESTS_CRADIOBUTTON_CRADIOBUTTONTEST_HXX
+#define __UNITTESTS_CRADIOBUTTON_CRADIOBUTTONTEST_HXX
+
+/////////////////////////////////////////////////////////////////////////////
+// Included Files
+/////////////////////////////////////////////////////////////////////////////
+
+#include <nuttx/config.h>
+
+#include <nuttx/init.h>
+#include <cstdio>
+#include <semaphore.h>
+#include <debug.h>
+
+#include <nuttx/nx/nx.h>
+
+#include "nxconfig.hxx"
+#include "cwidgetcontrol.hxx"
+#include "ccallback.hxx"
+#include "cbgwindow.hxx"
+#include "cnxserver.hxx"
+#include "cradiobutton.hxx"
+#include "cradiobuttongroup.hxx"
+
+/////////////////////////////////////////////////////////////////////////////
+// Definitions
+/////////////////////////////////////////////////////////////////////////////
+// Configuration ////////////////////////////////////////////////////////////
+
+#ifndef CONFIG_HAVE_CXX
+#  error "CONFIG_HAVE_CXX must be defined"
+#endif
+
+#ifndef CONFIG_CRADIOBUTTONTEST_BGCOLOR
+#  define CONFIG_CRADIOBUTTONTEST_BGCOLOR CONFIG_NXWIDGETS_DEFAULT_BACKCOLOR
+#endif
+
+// What is the entry point called?
+
+#ifdef CONFIG_NSH_BUILTIN_APPS
+#  define MAIN_NAME cradiobutton_main
+#  define MAIN_STRING "cradiobutton_main: "
+#else
+#  define MAIN_NAME user_start
+#  define MAIN_STRING "user_start: "
+#endif
+
+// If debug is enabled, use the debug function, lib_rawprintf() instead
+// of printf() so that the output is synchronized.
+
+#ifdef CONFIG_DEBUG
+#  define message lib_lowprintf
+#else
+#  define message printf
+#endif
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Classes
+/////////////////////////////////////////////////////////////////////////////
+
+using namespace NXWidgets;
+
+class CRadioButtonTest : public CNxServer
+{
+private:
+  CWidgetControl    *m_widgetControl;    // The controlling widget for the window
+  CBgWindow         *m_bgWindow;         // Background window instance
+  CRadioButtonGroup *m_radioButtonGroup; // The radio button group
+
+  // These are the dimensions that we will use for creating new radio buttons
+
+  struct nxgl_size_s m_size;             // The size of each radio button
+
+public:
+  // Constructor/destructors
+
+  CRadioButtonTest(void);
+  ~CRadioButtonTest(void);
+
+  // Initializer/unitializer.  These methods encapsulate the basic steps for
+  // starting and stopping the NX server
+
+  bool connect(void);
+  void disconnect(void);
+
+  // Create a window.  This method provides the general operations for
+  // creating a window that you can draw within.
+  //
+  // Those general operations are:
+  // 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 createWindow(void);
+
+  // (Re-)draw the buttons.
+
+  void showButtons(void);
+
+  // Create a CRadioButton instance.  This method will show you how to create
+  // a CRadioButton widget
+
+  CRadioButton *newRadioButton(void);
+
+  // Simulate pushing and releasing of the radio button
+
+  void pushButton(CRadioButton *button);
+
+  // Show the state of the radio button group
+
+  void showButtonState(void);
+};
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Function Prototypes
+/////////////////////////////////////////////////////////////////////////////
+
+#endif // __UNITTESTS_CRADIOBUTTON_CRADIOBUTTONTEST_HXX
diff --git a/NxWidgets/UnitTests/CRadioButton/main.cxx b/NxWidgets/UnitTests/CRadioButton/main.cxx
new file mode 100644
index 000000000..d53cd4a09
--- /dev/null
+++ b/NxWidgets/UnitTests/CRadioButton/main.cxx
@@ -0,0 +1,238 @@
+/////////////////////////////////////////////////////////////////////////////
+// NxWidgets/UnitTests/CRadioButton/main.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 <cstdlib>
+#include <cstring>
+#include <unistd.h>
+#include <debug.h>
+
+#include <nuttx/nx/nx.h>
+
+#include "crlepalettebitmap.hxx"
+#include "glyphs.hxx"
+#include "cradiobuttontest.hxx"
+
+/////////////////////////////////////////////////////////////////////////////
+// Definitions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Classes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Data
+/////////////////////////////////////////////////////////////////////////////
+
+static unsigned int g_mmInitial;
+static unsigned int g_mmprevious;
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Function Prototypes
+/////////////////////////////////////////////////////////////////////////////
+
+// Suppress name-mangling
+
+extern "C" int MAIN_NAME(int argc, char *argv[]);
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Functions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: updateMemoryUsage
+/////////////////////////////////////////////////////////////////////////////
+
+static void updateMemoryUsage(unsigned int previous,
+                              FAR const char *msg)
+{
+  struct mallinfo mmcurrent;
+
+  /* Get the current memory usage */
+
+#ifdef CONFIG_CAN_PASS_STRUCTS
+  mmcurrent = mallinfo();
+#else
+  (void)mallinfo(&mmcurrent);
+#endif
+
+  /* Show the change from the previous time */
+
+  message("\n%s:\n", msg);
+  message("  Before: %8d After: %8d Change: %8d\n\n",
+          previous, mmcurrent.uordblks, mmcurrent.uordblks - previous);
+
+  /* Set up for the next test */
+
+  g_mmprevious = mmcurrent.uordblks;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: initMemoryUsage
+/////////////////////////////////////////////////////////////////////////////
+
+static void initMemoryUsage(void)
+{
+  struct mallinfo mmcurrent;
+
+  /* Get the current memory usage */
+
+#ifdef CONFIG_CAN_PASS_STRUCTS
+  mmcurrent = mallinfo();
+#else
+  (void)mallinfo(&mmcurrent);
+#endif
+
+  g_mmInitial  = mmcurrent.uordblks;
+  g_mmprevious = mmcurrent.uordblks;
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Functions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Name: user_start/nxheaders_main
+/////////////////////////////////////////////////////////////////////////////
+
+int MAIN_NAME(int argc, char *argv[])
+{
+  // Initialize memory monitor logic
+
+  initMemoryUsage();
+
+  // Create an instance of the radio button test
+
+  message(MAIN_STRING "Create CRadioButtonTest instance\n");
+  CRadioButtonTest *test = new CRadioButtonTest();
+  updateMemoryUsage(g_mmprevious, "After creating CRadioButtonTest");
+
+  // Connect the NX server
+
+  message(MAIN_STRING "Connect the CRadioButtonTest instance to the NX server\n");
+  if (!test->connect())
+    {
+      message(MAIN_STRING "Failed to connect the CRadioButtonTest instance to the NX server\n");
+      delete test;
+      return 1;
+    }
+  updateMemoryUsage(g_mmprevious, MAIN_STRING "After connecting to the server");
+
+  // Create a window to draw into
+
+  message(MAIN_STRING "Create a Window\n");
+  if (!test->createWindow())
+    {
+      message(MAIN_STRING "Failed to create a window\n");
+      delete test;
+      return 1;
+    }
+  updateMemoryUsage(g_mmprevious, MAIN_STRING "After creating a window");
+
+  // Create three radio buttons
+
+  CRadioButton *button1 = test->newRadioButton();
+  if (!button1)
+    {
+      message(MAIN_STRING "Failed to create radio button 1\n");
+      delete test;
+      return 1;
+    }
+  updateMemoryUsage(g_mmprevious, MAIN_STRING "After creating radio button 1");
+
+  CRadioButton *button2 = test->newRadioButton();
+  if (!button2)
+    {
+      message(MAIN_STRING "Failed to create radio button 2\n");
+      delete test;
+      return 1;
+    }
+  updateMemoryUsage(g_mmprevious, MAIN_STRING "After creating radio button 2");
+
+  CRadioButton *button3 = test->newRadioButton();
+  if (!button3)
+    {
+      message(MAIN_STRING "Failed to create radio button 3\n");
+      delete test;
+      return 1;
+    }
+  updateMemoryUsage(g_mmprevious, MAIN_STRING "After creating radio button 3");
+
+  // Show the initial state of the buttons
+
+  test->showButtons();
+  test->showButtonState();
+  sleep(1);
+
+  // Now push some buttons
+
+  message(MAIN_STRING "Pushing button 1\n");
+  test->pushButton(button1);
+  usleep(500*1000);
+  test->showButtonState();
+  updateMemoryUsage(g_mmprevious, "After pushing button 1");
+  usleep(500*1000);
+
+  message(MAIN_STRING "Pushing button 2\n");
+  test->pushButton(button2);
+  usleep(500*1000);
+  test->showButtonState();
+  updateMemoryUsage(g_mmprevious, "After pushing button 2");
+  usleep(500*1000);
+
+  message(MAIN_STRING "Pushing button 3\n");
+  test->pushButton(button3);
+  usleep(500*1000);
+  test->showButtonState();
+  updateMemoryUsage(g_mmprevious, "After pushing button 3");
+  sleep(2);
+
+  // Clean up and exit
+
+  message(MAIN_STRING "Clean-up and exit\n");
+  delete test;
+  updateMemoryUsage(g_mmprevious, "After deleting the test");
+  updateMemoryUsage(g_mmInitial, "Final memory usage");
+  return 0;
+}
+