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Code Issues Releases Wiki Activity

Fixing wheel delta in Firefox

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Luis
2017-06-29 11:33:01 +02:00
parent 811007da8d
commit 8e75227ea0
4 changed files with 11 additions and 7 deletions
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6
src/js/plugins/scroll.js
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@@ -85,6 +85,8 @@ export default class Scroll {
return;
}
// Firefox uses lines instead of pixels for delta
const linesToPx = event.deltaMode * this.ws_.options.minWheelDelta;
const {deltaY: wheelDeltaY, deltaX: wheelDeltaX} = event;
const isVertical = this.ws_.isVertical;
const isHorizontalMovement = Math.abs(wheelDeltaX) > Math.abs(wheelDeltaY);
@@ -103,8 +105,8 @@ export default class Scroll {
}
}
if (Math.abs(wheelDeltaY) >= this.ws_.options.minWheelDelta ||
Math.abs(wheelDeltaX) >= this.ws_.options.minWheelDelta) {
if (Math.abs(wheelDeltaY + linesToPx) >= this.ws_.options.minWheelDelta ||
Math.abs(wheelDeltaX + linesToPx) >= this.ws_.options.minWheelDelta) {
if ((isHorizontalMovement && this.isGoingLeft_) ||
(!isHorizontalMovement && this.isGoingUp_)) {
this.ws_.goPrev();