Squashed commit of the following:

apps/graphics/twm4nx: Mostly cosmetic stuff.

    apps/graphics/twm4ndx:  In icon manager, fixing some places where width was used when height was intended.  Fixe uninitialized variable.

include/graphics/twm4nx/ciconmgr.hxx

@@ -98,7 +98,7 @@ namespace Twm4Nx
       FAR struct SWindowEntry        *m_tail;       /**< Tail of the window list */
       FAR struct SWindowEntry        *m_active;     /**< The active entry */
       FAR struct CWindow             *m_window;     /**< Parent window */
-      FAR NXWidgets::CButtonArray    *m_buttons;    /**< The cotained button array */
+      FAR NXWidgets::CButtonArray    *m_buttons;    /**< The contained button array */
       uint8_t                         m_maxColumns; /**< Max columns per row */
       uint8_t                         m_nrows;      /**< Number of rows in the button array */
       uint8_t                         m_ncolumns;   /**< Number of columns in the button array */
@@ -176,7 +176,7 @@ namespace Twm4Nx
 
       /**
        * Handle a widget action event, overriding the CWidgetEventHandler
-       *  method.  This will indicate a button pre-release event.
+       * method.  This will indicate a button pre-release event.
        *
        * @param e The event data.
        */

include/graphics/twm4nx/cwindow.hxx

@@ -472,6 +472,12 @@ namespace Twm4Nx
        * Set the size of the primary window.  This is useful only
        * for applications that need to control the drawing area.
        *
+       * This method is only usable from windows that have no
+       * toolbar.  The the window has a toolbar, then changing the
+       * width of the window will mess up the toolbar layout.  In
+       * such cases, the better to use is resizeFrame() which will
+       * update the toolbar geometry after the resize.
+       *
        * @param size New primary window size
        */
 

include/graphics/twm4nx/twm4nx_config.hxx

@@ -157,6 +157,14 @@
 #  define CONFIG_TWM4NX_BUTTON_INDENT      1
 #endif
 
+#ifndef CONFIG_TWM4NX_MENU_HSPACING
+#  define CONFIG_TWM4NX_MENU_HSPACING      2
+#endif
+
+#ifndef CONFIG_TWM4NX_MENU_VSPACING
+#  define CONFIG_TWM4NX_MENU_VSPACING      0
+#endif
+
 #ifndef CONFIG_TWM4NX_ICONMGR_VSPACING
 #  define CONFIG_TWM4NX_ICONMGR_VSPACING   2
 #endif

include/graphics/twm4nx/twm4nx_widgetevents.hxx

@@ -130,9 +130,8 @@ namespace Twm4Nx
     EVENT_MENU_VERSION         = 0x4001,  /**< Show the Twm4Nx version */
     EVENT_MENU_ICONIFY         = 0x4002,  /**< Tool bar minimize button pressed */
     EVENT_MENU_DEICONIFY       = 0x4003,  /**< Window icon pressed */
-    EVENT_MENU_FUNCTION        = 0x4004,  /**< Perform function on unknown menu */
-    EVENT_MENU_TITLE           = 0x4005,  /**< REVISIT: Really an action not an event */
-    EVENT_MENU_ROOT            = 0x4006,  /**< REVISIT: Popup root menu */
+    EVENT_MENU_SUBMENU         = 0x4004,  /**< Sub-menu selected */
+    EVENT_MENU_FUNCTION        = 0x4005,  /**< Perform function on unknown menu */
 
     // Recipient == MAINMENU