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Merge pull request #263 from towerofnix/shift-scroll

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Add holding shift to force horizontal scrolling
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DD Liu 2018-01-23 19:03:59 -05:00 committed by GitHub
commit 35baf315a1
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1 changed files with 6 additions and 0 deletions
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6
src/containers/paper-canvas.jsx
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@ -164,6 +164,12 @@ class PaperCanvas extends React.Component {
new paper.Point(offsetX, offsetY)
);
zoomOnFixedPoint(-event.deltaY / 100, fixedPoint);
} else if (event.shiftKey && event.deltaX === 0) {
// Scroll horizontally (based on vertical scroll delta)
// This is needed as for some browser/system combinations which do not set deltaX.
// See #156.
const dx = event.deltaY / paper.project.view.zoom;
pan(dx, 0);
} else {
const dx = event.deltaX / paper.project.view.zoom;
const dy = event.deltaY / paper.project.view.zoom;