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Extend on-leave and on-enter to sketch windows #135

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Extend on-leave and on-enter to sketch windows #135

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1e67552
Extend `on-leave` and `on-enter` to sketch windows
swapneils Jan 20, 2024
63d7952
Merge branch 'master' of https://github.com/vydd/sketch
swapneils Feb 10, 2024
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8 changes: 8 additions & 0 deletions src/controllers.lisp
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
;;; Mouse

(defparameter *current-entity* nil)
(defparameter *current-sketch* nil)

(defun propagate-to-entity (sketch f x y &rest other-args)
(loop
Expand Down Expand Up @@ -60,6 +61,13 @@ x & y are assumed to come last in the argument list."
(on-enter entity))
(call-next-method)))

(defmethod on-hover :around ((instance sketch) ix iy)
(unless (eql *current-sketch* instance)
(on-leave *current-sketch*)
(setf *current-sketch* instance)
(on-enter instance))
(call-next-method))

(defmethod kit.sdl2:mousebutton-event ((instance sketch-window) state timestamp button x y)
;; For backward compatibility.
(kit.sdl2:mousebutton-event (%sketch instance) state timestamp button x y)
Expand Down