M src/FbTk/FbPixmap.cc → src/FbTk/FbPixmap.cc

@@ -356,14 +356,14 @@ 
     m_root_pixmaps[screen_num] = pm;
 }
 
-Pixmap FbPixmap::getRootPixmap(int screen_num) {
+Pixmap FbPixmap::getRootPixmap(int screen_num, bool force_update) {
     /*
       if (!FbTk::Transparent::haveRender()) 
       return None;
     */
 
     // check and see if if we have the pixmaps in cache
-    if (m_root_pixmaps)
+    if (m_root_pixmaps && !force_update)
         return m_root_pixmaps[screen_num];
 
     // else setup pixmap cache        

M src/FbTk/FbPixmap.hh → src/FbTk/FbPixmap.hh

@@ -68,7 +68,7 @@ inline unsigned int width() const { return m_width; }
     inline unsigned int height() const { return m_height; }
     inline int depth() const { return m_depth; }
 
-    static Pixmap getRootPixmap(int screen_num);
+    static Pixmap getRootPixmap(int screen_num, bool force_update=false);
     static void setRootPixmap(int screen_num, Pixmap pm);
     static void rootwinPropertyNotify(int screen_num, Atom atom);