First check-in of NxWidgets

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

1 files changed, 265 insertions, 0 deletions

diff --git a/NxWidgets/libnxwidgets/src/ccheckbox.cxx b/NxWidgets/libnxwidgets/src/ccheckbox.cxx
new file mode 100644
index 000000000..a6cc9400a
--- /dev/null
+++ b/NxWidgets/libnxwidgets/src/ccheckbox.cxx
@@ -0,0 +1,265 @@
+/****************************************************************************
+ * NxWidgets/libnxwidgets/src/ccheckbox.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.
+ *
+ ****************************************************************************
+ *
+ * Portions of this package derive from Woopsi (http://woopsi.org/) and
+ * portions are original efforts.  It is difficult to determine at this
+ * point what parts are original efforts and which parts derive from Woopsi.
+ * However, in any event, the work of  Antony Dzeryn will be acknowledged
+ * in most NxWidget files.  Thanks Antony!
+ *
+ *   Copyright (c) 2007-2011, Antony Dzeryn
+ *   All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * * 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.
+ * * Neither the names "Woopsi", "Simian Zombie" nor the
+ *   names of its contributors may be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``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 Antony Dzeryn 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 <stdint.h>
+#include <stdbool.h>
+
+#include "nxconfig.hxx"
+#include "cwidgetcontrol.hxx"
+#include "ccheckbox.hxx"
+#include "cgraphicsport.hxx"
+#include "cbitmap.hxx"
+#include "singletons.hxx"
+#include "glyphs.hxx"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Method Implementations
+ ****************************************************************************/
+
+using namespace NXWidgets;
+
+/**
+ * Constructor.
+ *
+ * @param pWidgetControl The widget control for the display.
+ * @param x The x coordinate of the checkbox, relative to its parent.
+ * @param y The y coordinate of the checkbox, relative to its parent.
+ * @param width The width of the checkbox.
+ * @param height The height of the checkbox.
+ * @param style The style that the widget should use.  If this is not
+ *   specified, the widget will use the values stored in the global
+ *   g_defaultWidgetStyle object.  The widget will copy the properties of
+ * the style into its own internal style object.
+ */
+
+CCheckBox::CCheckBox(CWidgetControl *pWidgetControl,
+                     nxgl_coord_t x, nxgl_coord_t y,
+                     nxgl_coord_t width, nxgl_coord_t height,
+                     CWidgetStyle *style)
+: CButton(pWidgetControl, x, y, width, height, *NXWidgets::g_nullString, style)
+{
+  m_state             = CHECK_BOX_STATE_OFF;
+  m_flags.borderless  = false;
+
+  // Border width is one line
+
+  m_borderSize.top    = 1;
+  m_borderSize.right  = 1;
+  m_borderSize.bottom = 1;
+  m_borderSize.left   = 1;
+}
+
+/**
+ * Set the state of the checkbox.
+ *
+ * @param state The new checkbox state.
+ */
+
+void CCheckBox::setState(CCheckBox::CheckBoxState state)
+{
+  if (m_state != state)
+    {
+      m_state = state;
+      m_widgetEventHandlers->raiseValueChangeEvent();
+      redraw();
+    }
+}
+
+/**
+ * Draw the area of this widget that falls within the clipping region.
+ * Called by the redraw() function to draw all visible regions.
+ *
+ * @param port The CGraphicsPort to draw to.
+ * @see redraw()
+ */
+
+void CCheckBox::drawContents(CGraphicsPort *port)
+{
+  // Get the X/Y position of the drawable region within the CheckBox
+
+  nxgl_coord_t x = getX();
+  nxgl_coord_t y = getY();
+
+  nxgl_coord_t width  = getWidth();
+  nxgl_coord_t height = getHeight();
+
+  // Include and offset for the border
+
+  if (!m_flags.borderless)
+    {
+      x      += m_borderSize.left;
+      y      += m_borderSize.top;
+
+      width  -= (m_borderSize.left + m_borderSize.right);
+      height -= (m_borderSize.top + m_borderSize.bottom);
+    }
+
+  // Decide which glyph to draw
+
+  const struct SBitmap *glyph;
+
+  switch (m_state)
+    {
+    default:
+    case CHECK_BOX_STATE_ON:
+      glyph = &g_checkBoxOn;
+      break;
+
+    case CHECK_BOX_STATE_OFF:
+      glyph = &g_checkBoxOff;
+      break;
+
+    case CHECK_BOX_STATE_MU:
+      glyph = &g_checkBoxMu;
+      break;
+  }
+
+  // Don't exceed the size of the glyph
+
+  if (width > glyph->width)
+    {
+      width = glyph->width;
+    }
+
+  if (height > glyph->height)
+    {
+      height = glyph->height;
+    }
+
+  // Draw the checkbox
+
+  port->drawBitmap(x, y, width, height, glyph, 0, 0,
+                   CONFIG_NXWIDGETS_TRANSPARENT_COLOR);
+}
+
+/**
+ * Draw the area of this widget that falls within the clipping region.
+ * Called by the redraw() function to draw all visible regions.
+ *
+ * @param port The CGraphicsPort to draw to.
+ * @see redraw()
+ */
+
+void CCheckBox::drawBorder(CGraphicsPort *port)
+{
+  // Determine the background color
+
+  nxgl_mxpixel_t backColor;
+
+  if (m_highlighted)
+    {
+      backColor = getSelectedBackgroundColor();
+    }
+  else
+    {
+      backColor = getBackgroundColor();
+    }
+
+  // Draw the background (excluding the border)
+
+  port->drawFilledRect(getX(), getY(), getWidth(), getHeight(),
+                       backColor);
+
+  // Stop drawing if the widget indicates it should not have an outline
+
+  if (!isBorderless())
+    {
+      port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(),
+                             getShineEdgeColor(), getShadowEdgeColor());
+    }
+}
+
+/**
+ * Toggles the state of the checkbox.
+ *
+ * @param x The x coordinate of the click.
+ * @param y The y coordinate of the click.
+ */
+
+void CCheckBox::onClick(nxgl_coord_t x, nxgl_coord_t y)
+{
+  if (m_state == CHECK_BOX_STATE_ON)
+    {
+      setState(CHECK_BOX_STATE_OFF);
+    }
+  else
+    {
+      setState(CHECK_BOX_STATE_ON);
+    }
+}