apps/graphics/twm4nx: Add logic to hide the window when it is iconified and restore the window when it is de-iconfied. Iconification works, de-iconification does not.

graphics/nxwidgets/src/cnxtkwindow.cxx

@@ -332,32 +332,6 @@ bool CNxTkWindow::setSize(FAR const struct nxgl_size_s *size)
   return nxtk_setsize(m_hNxTkWindow, size) == OK;
 }
 
-/**
- * Bring the window to the top of the display.
- *
- * @return True on success, false on any failure.
- */
-
-bool CNxTkWindow::raise(void)
-{
-  // Raise the window to the top of the display
-
-  return nxtk_raise(m_hNxTkWindow) == OK;
-}
-
-/**
- * Lower the window to the bottom of the display.
- *
- * @return True on success, false on any failure.
- */
-
-bool CNxTkWindow::lower(void)
-{
-  // Lower the window to the bottom of the display
-
-  return nxtk_lower(m_hNxTkWindow) == OK;
-}
-
 /**
  * May be used to either (1) raise a window to the top of the display and
  * select modal behavior, or (2) disable modal behavior.

graphics/nxwidgets/src/cnxwindow.cxx

@@ -193,32 +193,6 @@ bool CNxWindow::setSize(FAR const struct nxgl_size_s *pSize)
   return nx_setsize(m_hNxWindow, pSize) == OK;
 }
 
-/**
- * Bring the window to the top of the display.
- *
- * @return True on success, false on any failure.
- */
-
-bool CNxWindow::raise(void)
-{
-  // Raise the window to the top of the display
-
-  return nx_raise(m_hNxWindow) == OK;
-}
-
-/**
- * Lower the window to the bottom of the display.
- *
- * @return True on success, false on any failure.
- */
-
-bool CNxWindow::lower(void)
-{
-  // Lower the window to the bottom of the display
-
-  return nx_lower(m_hNxWindow) == OK;
-}
-
 /**
  * May be used to either (1) raise a window to the top of the display and
  * select modal behavior, or (2) disable modal behavior.

graphics/twm4nx/src/cinput.cxx

@@ -513,6 +513,7 @@ int CInput::scaleTouchData(FAR const struct touch_point_s &raw,
 
   twminfo("raw: (%6.2f, %6.2f) scaled: (%6.2f, %6.2f) (%d, %d)\n",
           raw.x, raw.y, scaledX, scaledY, scaled.x, scaled.y);
+  return OK;
 #else
   // Get the fixed precision, scaled X and Y values
 
@@ -559,6 +560,7 @@ int CInput::scaleTouchData(FAR const struct touch_point_s &raw,
 
   twminfo("raw: (%d, %d) scaled: (%d, %d)\n",
           raw.x, raw.y, scaled.x, scaled.y);
+  return OK;
 #endif
 }
 #endif

graphics/twm4nx/src/cwindow.cxx

@@ -481,10 +481,12 @@ void CWindow::iconify(void)
       m_modal = false;
       m_nxWin->modal(false);
 
-      // Enable and redraw the icon widget and lower the main window
+      // Hide the main window
 
       m_iconified = true;
-      m_nxWin->lower();
+      m_nxWin->hide();
+
+      // Enable and redraw the icon widget and lower the main window
 
       m_iconOn = true;
       m_iconWidget->enable();
@@ -501,10 +503,12 @@ void CWindow::deIconify(void)
 
   if (isIconified())
     {
-      // Raise the main window and hide the icon width
+      // Raise and the main window
 
       m_iconified = false;
-      m_nxWin->raise();
+      m_nxWin->show();
+
+      // Hide the icon widget
 
       m_iconOn = false;
       m_iconWidget->disableDrawing();

include/graphics/nxwidgets/cbgwindow.hxx

@@ -228,6 +228,32 @@ namespace NXWidgets
       return false;
     }
 
+    /**
+     * Show a hidden window
+     *
+     * @return Always returns false.
+     */
+
+    inline bool show(void)
+    {
+      // The background is always visible (although perhaps obscured)
+
+      return false;
+    }
+
+    /**
+     * Hide a visible window
+     *
+     * @return Always returns false.
+     */
+
+    inline bool hide(void)
+    {
+      // The background cannot be hidden
+
+      return false;
+    }
+
     /**
      * May be used to either (1) raise a window to the top of the display and
      * select modal behavior, or (2) disable modal behavior.  NOTE:  The

include/graphics/nxwidgets/cnxtkwindow.hxx

@@ -232,7 +232,10 @@ namespace NXWidgets
      * @return True on success, false on any failure.
      */
 
-    bool raise(void);
+    inline bool raise(void)
+    {
+      return nxtk_raise(m_hNxTkWindow) == OK;
+    }
 
     /**
      * Lower the window to the bottom of the display.
@@ -240,7 +243,32 @@ namespace NXWidgets
      * @return True on success, false on any failure.
      */
 
-    bool lower(void);
+    inline bool lower(void)
+    {
+      return nxtk_lower(m_hNxTkWindow) == OK;
+    }
+
+    /**
+     * Show a hidden window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    inline bool show(void)
+    {
+      return nxtk_setvisibility(m_hNxTkWindow, false) == OK;
+    }
+
+    /**
+     * Hide a visible window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    inline bool hide(void)
+    {
+      return nxtk_setvisibility(m_hNxTkWindow, true) == OK;
+    }
 
     /**
      * May be used to either (1) raise a window to the top of the display and

include/graphics/nxwidgets/cnxtoolbar.hxx

@@ -221,6 +221,34 @@ namespace NXWidgets
       return false;
     }
 
+    /**
+     * Show a hidden window.  The toolbar is a component of the containing,
+     * parent, framed window.  It cannot be shown separately.
+     *
+     * @return Always returns false.
+     */
+
+    inline bool show(void)
+    {
+      // The background is always visible (although perhaps obscured)
+
+      return false;
+    }
+
+    /**
+     * Hide a visible window.  The toolbar is a component of the containing,
+     * parent, framed window.  It cannot be hidden separately.
+     *
+     * @return Always returns false.
+     */
+
+    inline bool hide(void)
+    {
+      // The background cannot be hidden
+
+      return false;
+    }
+
     /**
      * May be used to either (1) raise a window to the top of the display and
      * select modal behavior, or (2) disable modal behavior.  The toolbar is

include/graphics/nxwidgets/cnxwindow.hxx

@@ -201,7 +201,10 @@ namespace NXWidgets
      * @return True on success, false on any failure.
      */
 
-    bool raise(void);
+    inline bool raise(void)
+    {
+      return nx_raise(m_hNxWindow) == OK;
+    }
 
     /**
      * Lower the window to the bottom of the display.
@@ -209,7 +212,32 @@ namespace NXWidgets
      * @return True on success, false on any failure.
      */
 
-    bool lower(void);
+    inline bool lower(void)
+    {
+      return nx_lower(m_hNxWindow) == OK;
+    }
+
+    /**
+     * Show a hidden window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    inline bool show(void)
+    {
+      return nx_setvisibility(m_hNxWindow, false) == OK;
+    }
+
+    /**
+     * Hide a visible window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    inline bool hide(void)
+    {
+      return nx_setvisibility(m_hNxWindow, true) == OK;
+    }
 
     /**
      * May be used to either (1) raise a window to the top of the display and

include/graphics/nxwidgets/inxwindow.hxx

@@ -190,6 +190,22 @@ namespace NXWidgets
 
     virtual bool lower(void) = 0;
 
+    /**
+     * Show a hidden window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    virtual bool show(void) = 0;
+
+    /**
+     * Hide a visible window
+     *
+     * @return True on success, false on any failure.
+     */
+
+    virtual bool hide(void) = 0;
+
     /**
      * May be used to either (1) raise a window to the top of the display and
      * select modal behavior, or (2) disable modal behavior.

include/graphics/twm4nx/cwindow.hxx

@@ -469,6 +469,23 @@ namespace Twm4Nx
         return m_nxWin->lower();
       }
 
+      /**
+       * Show a hidden window
+       */
+
+      inline bool showWindow(void)
+      {
+        return m_nxWin->show();
+      }
+      /**
+       * Hide a visible window
+       */
+
+      inline bool hideWindow(void)
+      {
+        return m_nxWin->hide();
+      }
+
       /**
        * Convert the position of a primary window to the position of
        * the containing frame.