First check-in of NxWidgets

git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4505 7fd9a85b-ad96-42d3-883c-3090e2eb8679
2026-10-26 02:03:34 +08:00 · 2012-03-22 21:22:59 +00:00
parent 58df24e93f
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+/////////////////////////////////////////////////////////////////////////////
+// NxWidgets/UnitTests/ProgressBar/cprogressbartest.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 "cprogressbartest.hxx"
+
+/////////////////////////////////////////////////////////////////////////////
+// Definitions
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Classes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Private Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Data
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// Public Function Prototypes
+/////////////////////////////////////////////////////////////////////////////
+
+/////////////////////////////////////////////////////////////////////////////
+// CProgressBarTest Method Implementations
+/////////////////////////////////////////////////////////////////////////////
+
+// CProgressBarTest Constructor
+
+CProgressBarTest::CProgressBarTest()
+{
+  // Initialize state data
+
+  m_widgetControl = (CWidgetControl *)NULL;
+  m_bgWindow      = (CBgWindow *)NULL;
+}
+
+// CProgressBarTest Descriptor
+
+CProgressBarTest::~CProgressBarTest(void)
+{
+  disconnect();
+}
+
+// Connect to the NX server
+
+bool CProgressBarTest::connect(void)
+{
+  // Connect to the server
+
+  bool nxConnected = CNxServer::connect();
+  if (nxConnected)
+    {
+      // Set the background color
+
+      if (!setBackgroundColor(CONFIG_CPROGRESSBARTEST_BGCOLOR))
+        {
+          message("CProgressBarTest::connect: setBackgroundColor failed\n");
+        }
+    }
+
+  return nxConnected;
+}
+
+// Disconnect from the NX server
+
+void CProgressBarTest::disconnect(void)
+{
+  // Close the window
+
+  if (m_bgWindow)
+    {
+      delete m_bgWindow;
+      m_bgWindow = (CBgWindow *)NULL;
+    }
+
+  // Free the widget control instance
+
+  if (m_widgetControl)
+    {
+      delete m_widgetControl;
+      m_widgetControl = (CWidgetControl *)NULL;
+    }
+
+  // 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 CProgressBarTest::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("CProgressBarTest::createWindow: Failed to create CBgWindow instance\n");
+      disconnect();
+      return false;
+    }
+
+  // Open (and initialize) the window
+
+  bool success = m_bgWindow->open();
+  if (!success)
+    {
+      message("CProgressBarTest::createWindow: Failed to open background window\n");
+      disconnect();
+      return false;
+    }
+
+  return true;
+}
+
+// Create a bar in the center of the window
+
+CProgressBar *CProgressBarTest::createProgressBar(void)
+{
+  // Get the size of the display
+
+  struct nxgl_size_s windowSize;
+  if (!m_bgWindow->getSize(&windowSize))
+    {
+      printf("CProgressBarTest::createProgressBar: Failed to get window size\n");
+      disconnect();
+      return false;
+    }
+
+  // Put the bar in the center of the display
+
+  nxgl_coord_t barWidth  = windowSize.w >> 1;
+  nxgl_coord_t barX      = windowSize.w >> 2;
+
+  nxgl_coord_t barHeight = 16;
+  nxgl_coord_t barY      = (windowSize.h - barHeight) >> 1;
+
+  // Create the bar
+
+  CProgressBar *bar = new CProgressBar(m_widgetControl,
+                                       barX, barY,
+                                       barWidth, barHeight);
+  if (!bar)
+    {
+      printf("CProgressBarTest::createProgressBar: Failed to create CProgressBar\n");
+      disconnect();
+    }
+  return bar;
+}
+
+// (Re-)draw the bar.
+
+void CProgressBarTest::showProgressBar(CProgressBar *bar)
+{
+  bar->enable();        // Un-necessary, the widget is enabled by default
+  bar->enableDrawing();
+  bar->redraw();
+}