+ void updateFilter( const std::string& filter_name );\r
+ void showOutputData(\r
+ const std::string& filter_name,\r
+ const std::string& output_name\r
+ );\r
+\r
+ signals:\r
+ void execFilter( const std::string& filter_name );\r
+ void showFilterOutput(\r
+ const std::string& filter_name,\r
+ const std::string& output_name\r
+ );\r
+\r