Menus: add deleteChilds()

Author: alvieboy

libraries/menus/menus.cpp

@@ -28,6 +28,15 @@ void subMenu::appendChild(abstractMenuEntry *child)
     }
 }
 
+void subMenu::deleteChilds()
+{
+    while (m_children) {
+        abstractMenuEntry *e = m_children;
+        m_children = m_children->getNext();
+        delete(e);
+    }
+}
+
 abstractMenuEntry* subMenu::at(int index)
 {
     abstractMenuEntry *c = NULL;

libraries/menus/menus.h

@@ -38,6 +38,7 @@ struct subMenu: public abstractMenuEntry
     virtual bool isSubmenu() const { return true; }
     abstractMenuEntry *getChild() { return m_children; }
     void appendChild(abstractMenuEntry *child);
+    void deleteChilds();
     void setParent(abstractMenuEntry *parent) { m_parent=parent; }
     abstractMenuEntry *getParent() const { return m_parent; }
     abstractMenuEntry *at(int index);