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fix horizontal scroll via shift+wheel on mac (#1528)

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David Luzar 2020-05-02 22:15:28 +02:00 • committed by GitHub
parent 32e56aba3e
commit 4aa1784ba3
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1 changed files with 2 additions and 1 deletions
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3
src/components/App.tsx
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@ -2570,7 +2570,8 @@ class App extends React.Component<any, AppState> {
// scroll horizontally when shift pressed
if (event.shiftKey) {
this.setState(({ zoom, scrollX }) => ({
scrollX: normalizeScroll(scrollX - deltaY / zoom),
// on Mac, shift+wheel tends to result in deltaX
scrollX: normalizeScroll(scrollX - (deltaY || deltaX) / zoom),
}));
return;
}