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logseq
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Revert "feat(pdf): add zoom via touchpad (#10435)" 

This reverts commit 89cd619a34.
pull/10426/head^2 0.9.20
Charlie 2023-11-01 15:52:35 +08:00 committed by Andelf
parent 77d92f4d08
commit 43c8e1cb38
1 changed files with 0 additions and 32 deletions
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32
src/main/frontend/extensions/pdf/core.cljs
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@ -464,38 +464,6 @@
(set-end! (calc-coords! (.-pageX e) (.-pageY e))))
[])]
(let [zoom-viewer!
(rum/use-callback
(util/debounce
5 (fn [delta]
(if (> delta 0)
((partial pdf-utils/zoom-out-viewer viewer))
((partial pdf-utils/zoom-in-viewer viewer)))
)
)
[viewer])]
;; zoom using touchpad
(rum/use-effect!
(fn []
(when-let [^js/HTMLElement root cnt-el]
(let [fn-wheel (fn [^js/WheelEvent e]
(let [delta (or (.-deltaY e) (.-detail e) (.-wheelDelta e))]
;; to exclude horizontal scrolling
(when (not (integer? delta))
(p/do! (zoom-viewer! delta))
))
)]
(doto root
(.addEventListener "wheel" fn-wheel))
;; destroy
#(doto root
(.removeEventListener "wheel" fn-wheel)))))
[zoom-viewer!])
)
(rum/use-effect!
(fn []
(when-let [^js/HTMLElement root cnt-el]