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authorColin Okay <colin@cicadas.surf>2022-06-24 08:03:24 -0500
committerColin Okay <colin@cicadas.surf>2022-06-24 08:03:24 -0500
commit2f0602913a02823092393b29a26992f61fafbdb4 (patch)
tree95192a3f4e5d1dd1374fe957197f91acf3f7c19d
parent4e0b8f9295e678f8d44476d1c602480dbd27388c (diff)
[formatting]
-rw-r--r--wheelwork.lisp27
1 files changed, 14 insertions, 13 deletions
diff --git a/wheelwork.lisp b/wheelwork.lisp
index 2968cc7..1aefd51 100644
--- a/wheelwork.lisp
+++ b/wheelwork.lisp
@@ -69,12 +69,22 @@ necessary."
(:documentation "Event handlers per object. The static hash tables
are keyed by UNIT and hold Event-Handler instances."))
-
-
(defclass/std interactive ()
((listener :type (or null listener) :std nil :a))
(:documentation "Supplies an object with a listener slot."))
+(defun listener-table-for (listener event-type)
+ (ecase event-type
+ (keydown (keydown-table listener))
+ (keyup (keyup-table listener))
+ (mousedown (mousewheel-table listener))
+ (mouseup (mouseup-table listener))
+ (mousemotion (mousemotion-table listener))
+ (mousewheel (mousewheel-table listener))
+ (focus (focus-table listener))
+ (blur (blur-table listener))
+ (perframe (perframe-table listener))))
+
(defun set-handler (interactive handler)
(when (null (listener interactive))
(setf (listener interactive) (make-instance 'listener)))
@@ -82,6 +92,7 @@ necessary."
(slot-value (listener interactive) (event-type handler)) handler
(gethash interactive (listener-table-for (listener interactive) (event-type handler))) handler))
+
(defun unset-handler (interactive handler-or-event-type)
"Handler can be an instance of EVENT-HANDLER or can be a symbol
whose name is an event type."
@@ -93,17 +104,7 @@ necessary."
(setf (slot-value (listener interactive) event-type) nil)
(remhash interactive (listener-table-for (listener interactive) event-type)))))
-(defun listener-table-for (listener event-type)
- (ecase event-type
- (keydown (keydown-table listener))
- (keyup (keyup-table listener))
- (mousedown (mousewheel-table listener))
- (mouseup (mouseup-table listener))
- (mousemotion (mousemotion-table listener))
- (mousewheel (mousewheel-table listener))
- (focus (focus-table listener))
- (blur (blur-table listener))
- (perframe (perframe-table listener))))
+
(defun should-listen-for-p (event-type &optional (app *application*))
(plusp (hash-table-count (listener-table-for (listener app) event-type))))