Simplify onWheel handler
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0d6177398d
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@ -161,20 +161,12 @@ class Display {
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}
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onWheel(e) {
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const handler = () => {
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if (e.altKey) {
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if (e.deltaY < 0) { // scroll up
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this.entryScrollIntoView(this.index - 1, null, true);
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return true;
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} else if (e.deltaY > 0) { // scroll down
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this.entryScrollIntoView(this.index + 1, null, true);
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return true;
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}
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if (e.altKey) {
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const delta = e.deltaY;
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if (delta !== 0) {
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this.entryScrollIntoView(this.index + (delta > 0 ? 1 : -1), null, true);
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e.preventDefault();
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}
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};
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if (handler()) {
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e.preventDefault();
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}
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}
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