NXWidgets::CImage needs to catch mouse/touchscreen events; All touchscreen drivers need to report the last valid X/Y data when the screen is untouched.

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4731 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 80 insertions, 4 deletions

diff --git a/NxWidgets/libnxwidgets/include/cimage.hxx b/NxWidgets/libnxwidgets/include/cimage.hxx
index a1c282393..0b7be14f2 100644
--- a/NxWidgets/libnxwidgets/include/cimage.hxx
+++ b/NxWidgets/libnxwidgets/include/cimage.hxx
@@ -134,6 +134,33 @@ namespace NXWidgets
     virtual void drawBorder(CGraphicsPort *port);
 
     /**
+     * Redraws the button.
+     *
+     * @param x The x coordinate of the click.
+     * @param y The y coordinate of the click.
+     */
+
+    virtual void onClick(nxgl_coord_t x, nxgl_coord_t y);
+
+    /**
+     * Raises an action event and redraws the button.
+     *
+     * @param x The x coordinate of the mouse.
+     * @param y The y coordinate of the mouse.
+     */
+
+    virtual void onRelease(nxgl_coord_t x, nxgl_coord_t y);
+    
+    /**
+     * Redraws the button.
+     *
+     * @param x The x coordinate of the mouse.
+     * @param y The y coordinate of the mouse.
+     */
+
+    virtual void onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y);
+
+    /**
      * Copy constructor is protected to prevent usage.
      */
 
@@ -199,10 +226,7 @@ namespace NXWidgets
      * @param highlightOn True(1), the image will be highlighted
      */
 
-    inline void highlight(bool highlightOn)
-    {
-      m_highlighted = highlightOn;
-    }
+    void highlight(bool highlightOn);
  };
 }
 
diff --git a/NxWidgets/libnxwidgets/src/cimage.cxx b/NxWidgets/libnxwidgets/src/cimage.cxx
index 0ca6f571e..7d9e0ee4e 100644
--- a/NxWidgets/libnxwidgets/src/cimage.cxx
+++ b/NxWidgets/libnxwidgets/src/cimage.cxx
@@ -358,6 +358,58 @@ void CImage::drawBorder(CGraphicsPort *port)
 }
 
 /**
+ * Control the highlight state.
+ *
+ * @param highlightOn True(1), the image will be highlighted
+ */
+
+void CImage::highlight(bool highlightOn)
+{
+  if (m_highlighted != highlightOn)
+    {
+      m_highlighted = highlightOn;
+      redraw();
+    }
+}
+
+/**
+ * Redraws the button.
+ *
+ * @param x The x coordinate of the click.
+ * @param y The y coordinate of the click.
+ */
+
+void CImage::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 CImage::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 CImage::onReleaseOutside(nxgl_coord_t x, nxgl_coord_t y)
+{
+  redraw();
+}
+
+/**
  * Set the horizontal position of the bitmap.  Zero is the left edge
  * of the bitmap and values >0 will move the bit map to the right.
  * This method is useful for horizontal scrolling a large bitmap