all files / lib/util/ Mouse.js

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import {
  getOriginal as getOriginalEvent
} from './Event';
 
import {
  isMac
} from './Platform';
 
export {
  isMac
} from './Platform';
 
 
export function isPrimaryButton(event) {
 
  // button === 0 -> left áka primary mouse button
  return !(getOriginalEvent(event) || event).button;
}
 
export function hasPrimaryModifier(event) {
  var originalEvent = getOriginalEvent(event) || event;
 
  Iif (!isPrimaryButton(event)) {
    return false;
  }
 
  // Use alt as primary modifier key for mac OS
  Eif (isMac()) {
    return originalEvent.metaKey;
  } else {
    return originalEvent.ctrlKey;
  }
}
 
 
export function hasSecondaryModifier(event) {
  var originalEvent = getOriginalEvent(event) || event;
 
  return isPrimaryButton(event) && originalEvent.shiftKey;
}