"MouseClicked" "MouseDown" "MouseDragged" "MouseMoved" "MouseUp"

{"Action", "ActionPerformed", "Ancestor", "AncestorAdded",
"AncestorMoved", "AncestorRemoved", "AncestorResized",
"CaretPositionChanged", "Change", "Component", "ComponentAdded",
"ComponentHidden", "ComponentMoved", "ComponentRemoved",
"ComponentResized", "ComponentShown", "Container", "Focus",
"FocusGained", "FocusLost", "Hierarchy", "HierarchyBounds",
"HierarchyChanged", "InputMethod", "InputMethodTextChanged", "Item",
"ItemStateChanged", "Key", "KeyPressed", "KeyReleased", "KeyTyped",
"Mouse", "MouseClicked", "MouseDragged", "MouseEntered",
"MouseExited", "MouseMotion", "MouseMoved", "MousePressed",
"MouseReleased", "MouseWheel", "MouseWheelMoved", "PropertyChange",
"StateChanged", "VetoableChange"}

{"DownArrowKeyDown", "EscapeKeyDown", "LeftArrowKeyDown",
"MouseClicked", "MouseDown", "MouseDragged", "MouseEntered",
"MouseExited", "MouseMoved", "MouseUp", "ReturnKeyDown",
"RightArrowKeyDown", "UpArrowKeyDown", "WindowClose",
EvaluationOrder, PassEventsDown, PassEventsUp, {"KeyDown",
  "t"}, {"KeyDown", "1"}, {"KeyDown", "2"}, {"KeyDown",
  "3"}, {"KeyDown", "4"}, {"KeyDown", "5"}, {"KeyDown",
  "6"}, {"MenuCommand", "CellTagsEditDialog"}, {"MenuCommand",
  "CellTagsFind"}, {"MenuCommand", "Close"}, {"MenuCommand",
  "EvaluateCells"}, {"MenuCommand",
  "EvaluateNextCell"}, {"MenuCommand",
  "FindNextMatch"}, {"MenuCommand",
  "FindPreviousMatch"}, {"MenuCommand",
  "HandleShiftReturn"}, {"MenuCommand", "New"}, {"MenuCommand",
  "Open"}, {"MenuCommand", "ScrollNotebookEnd"}, {"MenuCommand",
  "ScrollNotebookStart"}, {"MenuCommand",
  "ScrollPageDown"}, {"MenuCommand", "ScrollPageUp"}, {"MenuCommand",
  "SimilarCellBelow"}, {"MouseClicked", 1}}

{"MouseDown" :> (CurrentValue[
     EvaluationNotebook[], {TaggingRules, "InputNotebook"}] =
    InputNotebook[];
   SetOptions[EvaluationNotebook[], WindowClickSelect -> True]),
 PassEventsDown -> True, PassEventsUp -> True,
 EvaluationOrder -> Before}

FileNameJoin@{$InstallationDirectory, "SystemFiles", "FrontEnd",
  "Palettes", "NetworkGraphTools.nb"}