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, 300 insertions, 0 deletions

diff --git a/NxWidgets/libnxwidgets/src/cbutton.cxx b/NxWidgets/libnxwidgets/src/cbutton.cxx
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+++ b/NxWidgets/libnxwidgets/src/cbutton.cxx
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+/****************************************************************************
+ * NxWidgets/libnxwidgets/src/cbutton.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 <sys/types.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <nuttx/nx/nxglib.h>
+
+#include "cbutton.hxx"
+#include "cgraphicsport.hxx"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * CButton Method Implementations
+ ****************************************************************************/
+
+using namespace NXWidgets;
+
+/**
+ * Constructor for buttons that display a string.
+ *
+ * @param pWidgetControl The controlling widget for the display.
+ * @param x The x coordinate of the button, relative to its parent.
+ * @param y The y coordinate of the button, relative to its parent.
+ * @param width The width of the button.
+ * @param height The height of the button.
+ * @param text The text for the button to display.
+ * @param style The style that the button should use.  If this is not
+ * specified, the button will use the values stored in the global
+ * g_defaultWidgetStyle object.  The button will copy the properties of
+ * the style into its own internal style object.
+ */
+
+CButton::CButton(CWidgetControl *pWidgetControl,
+                 nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width,
+                 nxgl_coord_t height, const CNxString &text, CWidgetStyle *style)
+: CLabel(pWidgetControl, x, y, width, height, text, style)
+{
+}
+
+/**
+ * Draws the outline of the button.
+ *
+ * @param port Graphics port to draw to.
+ */
+
+void CButton::drawOutline(CGraphicsPort *port)
+{
+  drawOutline(port, isClicked());
+}
+
+/**
+ * Draws the outline of the button.
+ *
+ * @param port       Graphics port to draw to.
+ * @param useClicked Present outline using the 'clicked' style
+ */
+
+void CButton::drawOutline(CGraphicsPort *port, bool useClicked)
+{
+  // Stop drawing if the widget indicates it should not have an outline
+
+  if (isBorderless())
+    {
+      return;
+    }
+  
+  // Work out which colors to use
+
+  nxgl_coord_t color1;
+  nxgl_coord_t color2;
+  
+  if (useClicked)
+    {
+      // Bevelled into the screen
+
+      color1 = getShadowEdgeColor();
+      color2 = getShineEdgeColor();
+    }
+  else
+    {
+      // Bevelled out of the screen
+
+      color1 = getShineEdgeColor();
+      color2 = getShadowEdgeColor();
+    }
+  
+  port->drawBevelledRect(getX(), getY(), getWidth(), getHeight(), color1, color2);
+}
+
+/**
+ * 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 CButton::drawContents(CGraphicsPort *port)
+{
+  drawContents(port, isClicked());
+}
+
+/**
+ * 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.
+ * @param useClicked Present contents using the 'clicked' style
+ * @see redraw()
+ */
+
+void CButton::drawContents(CGraphicsPort *port, bool useClicked)
+
+{
+  // Get the draw region (excluding any borders)
+
+  CRect rect;
+  getRect(rect);
+
+  // Get the X/Y position of the text within the button
+
+  struct nxgl_point_s pos;
+  pos.x = rect.getX() + m_align.x;
+  pos.y = rect.getY() + m_align.y;
+
+  // Pick the text color
+
+  nxgl_mxpixel_t textColor;
+  if (!isEnabled())
+    {
+      textColor = getDisabledTextColor();
+    }
+  else if (useClicked)
+    {
+      textColor = getSelectedTextColor();
+    }
+  else
+    {
+      textColor = getEnabledTextColor();
+    }
+
+  // And draw the button text
+
+  port->drawText(&pos, &rect, getFont(), m_text, 0,  m_text.getLength(), textColor);
+}
+
+/**
+ * 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 CButton::drawBorder(CGraphicsPort *port)
+{
+  drawBorder(port, isClicked());
+}
+
+/**
+ * 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.
+ * @param useClicked Present border using the 'clicked' style
+ * @see redraw()
+ */
+
+void CButton::drawBorder(CGraphicsPort *port, bool useClicked)
+{
+  // Determine the background color
+
+  nxgl_mxpixel_t backColor;
+
+  if (useClicked || m_highlighted)
+    {
+      backColor = getSelectedBackgroundColor();
+    }
+  else
+    {
+      backColor = getBackgroundColor();
+    }
+
+  port->drawFilledRect(getX(), getY(), getWidth(), getHeight(), backColor);
+  drawOutline(port);
+}
+
+/**
+ * Redraws the button.
+ *
+ * @param x The x coordinate of the click.
+ * @param y The y coordinate of the click.
+ */
+
+void CButton::onClick(nxgl_coord_t x, nxgl_coord_t y)
+{
+  redraw();
+}
+
+/**
+ * Raises an action event and redraws the button.
+ *
+ * @param x The x coordinate of the mouse.
+ * @param y The y coordinate of the mouse.
+ */
+
+void CButton::onRelease(nxgl_coord_t x, nxgl_coord_t y)
+{
+  m_widgetEventHandlers->raiseActionEvent();
+  redraw();
+}
+
+/**
+ * Redraws the button.
+ *
+ * @param x The x coordinate of the mouse.
+ * @param y The y coordinate of the mouse.
+ */
+
+void CButton::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y)
+{
+  redraw();
+}