Method setState

packages/fairygui/src/widgets/GButton.ts:348–399

* Set button state * 设置按钮状态

(value: string)

     * 设置按钮状态
     */
    protected setState(value: string): void {
        if (this._buttonController) {
            this._buttonController.selectedPage = value;
        }

        if (this._downEffect === 1) {
            const cnt = this.numChildren;
            if (
                value === GButton.DOWN ||
                value === GButton.SELECTED_OVER ||
                value === GButton.SELECTED_DISABLED
            ) {
                const r = Math.round(this._downEffectValue * 255);
                const color = '#' + ((r << 16) + (r << 8) + r).toString(16).padStart(6, '0');
                for (let i = 0; i < cnt; i++) {
                    const obj = this.getChildAt(i);
                    if (!(obj instanceof GTextField)) {
                        obj.setProp(EObjectPropID.Color, color);
                    }
                }
            } else {
                for (let i = 0; i < cnt; i++) {
                    const obj = this.getChildAt(i);
                    if (!(obj instanceof GTextField)) {
                        obj.setProp(EObjectPropID.Color, '#FFFFFF');
                    }
                }
            }
        } else if (this._downEffect === 2) {
            if (
                value === GButton.DOWN ||
                value === GButton.SELECTED_OVER ||
                value === GButton.SELECTED_DISABLED
            ) {
                if (!this._downScaled) {
                    this.setScale(
                        this.scaleX * this._downEffectValue,
                        this.scaleY * this._downEffectValue
                    );
                    this._downScaled = true;
                }
            } else {
                if (this._downScaled) {
                    this.setScale(
                        this.scaleX / this._downEffectValue,
                        this.scaleY / this._downEffectValue
                    );
                    this._downScaled = false;
                }
            }
        }
    }

    public handleControllerChanged(c: Controller): void {
        super.handleControllerChanged(c);