+ // Connect the given function to the specified signal on m_widget.
+ //
+ // This is just a wrapper for g_signal_connect() and returns the handler id
+ // just as it does.
+ gulong GTKConnectWidget(const char *signal, void (*callback)());
+
+ // Return true from here if PostCreation() should connect to size_request
+ // signal: this is done by default but doesn't work for some native
+ // controls which override this function to return false
+ virtual bool GTKShouldConnectSizeRequest() const { return !IsTopLevel(); }
+