//! Remove focus from the client window
void unfocus() const;
+ //! Validate client, by making sure no Destroy or Unmap events exist in
+ //! the event queue for the window.
+ /*!
+ @return true if the client is valid; false if the client has already
+ been unmapped/destroyed, and so is invalid.
+ */
+ bool validate() const;
+
virtual void focusHandler(const XFocusChangeEvent &e);
virtual void unfocusHandler(const XFocusChangeEvent &e);
virtual void propertyHandler(const XPropertyEvent &e);