53 lines
1.4 KiB
JavaScript
53 lines
1.4 KiB
JavaScript
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"use strict";
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var UIEvent = require('./UIEvent');
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module.exports = MouseEvent;
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function MouseEvent() {
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// Just use the superclass constructor to initialize
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UIEvent.call(this);
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this.screenX = this.screenY = this.clientX = this.clientY = 0;
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this.ctrlKey = this.altKey = this.shiftKey = this.metaKey = false;
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this.button = 0;
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this.buttons = 1;
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this.relatedTarget = null;
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}
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MouseEvent.prototype = Object.create(UIEvent.prototype, {
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constructor: { value: MouseEvent },
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initMouseEvent: { value: function(type, bubbles, cancelable,
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view, detail,
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screenX, screenY, clientX, clientY,
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ctrlKey, altKey, shiftKey, metaKey,
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button, relatedTarget) {
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this.initEvent(type, bubbles, cancelable, view, detail);
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this.screenX = screenX;
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this.screenY = screenY;
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this.clientX = clientX;
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this.clientY = clientY;
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this.ctrlKey = ctrlKey;
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this.altKey = altKey;
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this.shiftKey = shiftKey;
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this.metaKey = metaKey;
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this.button = button;
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switch(button) {
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case 0: this.buttons = 1; break;
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case 1: this.buttons = 4; break;
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case 2: this.buttons = 2; break;
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default: this.buttons = 0; break;
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}
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this.relatedTarget = relatedTarget;
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}},
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getModifierState: { value: function(key) {
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switch(key) {
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case "Alt": return this.altKey;
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case "Control": return this.ctrlKey;
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case "Shift": return this.shiftKey;
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case "Meta": return this.metaKey;
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default: return false;
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}
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}}
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});
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