+ QAction *_showAllLinksAct;
+ QAction *_hideAllLinksAct;
+
+ QAction *_showOnlyPortLinksAct;
+ QAction *_showPortLinksAct;
+ QAction *_hidePortLinksAct;
+ QAction *_emphasisPortLinksAct;
+
+ QAction *_showOnlyCtrlLinksAct;
+ QAction *_showCtrlLinksAct;
+ QAction *_hideCtrlLinksAct;
+ QAction *_emphasisCtrlLinksAct;
+
+ QAction *_showOnlyLinkAct;
+ QAction *_showLinkAct;
+ QAction *_hideLinkAct;
+ QAction *_emphasisLinkAct;
+ QAction *_deEmphasizeAllAct;
+
+ QAction *_undoAct;
+ QAction *_redoAct;
+ QAction *_showUndoAct;
+ QAction *_showRedoAct;
+