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;; Return non-NIL if any pointer documentation was produced
(or left middle right))))))
;; This is derived directly from FIND-APPLICABLE-TRANSLATORS
(defun find-applicable-translators-for-documentation
(presentation input-context frame window x y modifier-state)
;; Assume a maximum of three pointer buttons
(let ((left nil) (left-presentation nil) (left-context nil)
(middle nil) (middle-presentation nil) (middle-context nil)
(right nil) (right-presentation nil) (right-context nil))
(macrolet ((match (translator presentation context-type button)
(let* ((symbol (symbol-name button))
(button-translator (intern symbol))
(button-presentation (fintern "~A-~A" symbol 'presentation))
(button-context (fintern "~A-~A" symbol 'context)))
`(when (and (or (null ,button-translator)
(> (presentation-translator-priority ,translator)
(presentation-translator-priority ,button-translator)))
(button-and-modifier-state-matches-gesture-name-p
(button-index ,button) modifier-state
(presentation-translator-gesture-name ,translator)))
(setq ,button-translator ,translator
,button-context ,context-type)))))
(do ((presentation presentation
(parent-presentation-with-shared-box presentation window)))
((null presentation))
(let ((from-type (presentation-type presentation)))
(dolist (context input-context)
(let ((context-type (pop context))) ;input-context-type = first
(let ((translators (find-presentation-translators
from-type context-type (frame-command-table frame))))
(when translators
(dolist (translator translators)
(when (test-presentation-translator translator
presentation context-type
frame window x y
:modifier-state modifier-state)
(match translator presentation context-type :left)
(match translator presentation context-type :middle)
(match translator presentation context-type :right)))))
(when (and (or left middle right)
*presentation-menu-translator*
(test-presentation-translator *presentation-menu-translator*
presentation context-type
frame window x y
:modifier-state modifier-state))
(match *presentation-menu-translator* presentation context-type :left)
(match *presentation-menu-translator* presentation context-type :middle)
(match *presentation-menu-translator* presentation context-type :right)))))))
(values left left-presentation left-context
middle middle-presentation middle-context
right right-presentation right-context)))
#+Genera
(defmethod mouse-documentation-window ((window window-stream)) nil)