@egjs/axes
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A module used to change the information of user action entered by various input devices such as touch screen or mouse into the logical virtual coordinates. You can easily create a UI that responds to user actions.
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<a href="../../index.html">All files</a> / <a href="index.html">src/eventInput</a> MouseEventInput.ts
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
* Copyright (c) 2015 NAVER Corp.
* egjs projects are licensed under the MIT license
*/
import { InputEventType, ExtendedEvent } from "../types";
import { MOUSE_BUTTON_CODE_MAP } from "../const";
import { EventInput } from "./EventInput";
export class MouseEventInput extends EventInput {
public readonly start = ["mousedown"];
public readonly move = ["mousemove"];
public readonly end = ["mouseup"];
public onEventStart(
event: InputEventType,
inputKey?: string[],
inputButton?: string[]
): ExtendedEvent {
const button = this._getButton(event);
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this._isValidEvent(event, inputKey, inputButton)) {
<span class="cstat-no" title="statement not covered" > return null;</span>
}
this._preventMouseButton(event, button);
return this.extendEvent(event);
}
public onEventMove(
event: InputEventType,
inputKey?: string[],
inputButton?: string[]
): ExtendedEvent {
<span class="missing-if-branch" title="if path not taken" >I</span>if (!this._isValidEvent(event, inputKey, inputButton)) {
<span class="cstat-no" title="statement not covered" > return null;</span>
}
return this.extendEvent(event);
}
public onEventEnd(): void {
return;
}
public onRelease(): void {
this.prevEvent = null;
return;
}
public getTouches(event: InputEventType, inputButton?: string[]): number {
<span class="missing-if-branch" title="else path not taken" >E</span>if (inputButton) {
return this._isValidButton(MOUSE_BUTTON_CODE_MAP[event.which], inputButton) &&
this.end.indexOf(event.type) === -1
? 1
: 0;
}
<span class="cstat-no" title="statement not covered" > return 0;</span>
}
protected _getScale(): number {
return 1;
}
protected _getCenter(event: MouseEvent): { x: number; y: number } {
return {
x: event.clientX,
y: event.clientY,
};
}
protected _getMovement(event: MouseEvent): { x: number; y: number } {
const prev = this.prevEvent.srcEvent as MouseEvent;
return {
x: event.clientX - prev.clientX,
y: event.clientY - prev.clientY,
};
}
}
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