Use the org.eclipse.ui.bindings extension and add a new key.
(M1, M2, M3 M4 , Shift, Command Alt, ). , Alt + D , "M3 + D" .
, . . . "plugin_customization.ini":
org.eclipse.ui/KEY_CONFIGURATION_ID=your.binding.scheme.id
"org.eclipse.ui.defaultAcceleratorConfiguration" , Eclipse, , , .
contextId , , org.eclipse.ui.contexts.window.
, , !