Method _pointerIsAtEdge

stackoverlay.js:241–263

* Returns true if pointer x position is at monitor edge. * @returns Boolean

()

     * @returns Boolean
     */
    _pointerIsAtEdge() {
        const [x] = global.get_pointer();
        switch (this._direction) {
        case Meta.MotionDirection.LEFT:
            if (
                x >= this.monitor.x &&
                x <= this.monitor.x + 2
            ) {
                return true;
            }
            break;
        case Meta.MotionDirection.RIGHT:
            if (
                x <= this.monitor.x + this.monitor.width &&
                x >= this.monitor.x + this.monitor.width - 2
            ) {
                return true;
            }
            break;
        }

        return false;
    }

    /**
     * Triggers edge window preview.