import { InteractionEvent, InteractionManager } from "pixi.js";
import { DButtonBaseWhen } from "./d-button-base-when";
import { DButtonGroup } from "./d-button-group";
import { DImageBase, DImageBaseEvents, DImageBaseOptions, DThemeImageBase } from "./d-image-base";
import { DOnOptions } from "./d-on-options";
import { DBaseStateSet } from "./d-base-state-set";
/**
 * {@link DButtonBase} events.
 */
export interface DButtonBaseEvents<VALUE, EMITTER> extends DImageBaseEvents<VALUE, EMITTER> {
    /**
     * Triggered when the button is activated.
     *
     * @param emitter an emitter
     */
    active(emitter: EMITTER): void;
    /**
     * Triggered when the button is inactivated.
     *
     * @param emitter an emitter
     */
    inactive(emitter: EMITTER): void;
    /**
     * Triggered when the button is pressed.
     *
     * @param emitter an emitter
     */
    press(emitter: EMITTER): void;
    /**
     * Triggered when the button is released.
     *
     * @param emitter an emitter
     */
    unpress(emitter: EMITTER): void;
}
/**
 * {@link DButtonBase} "on" options.
 */
export interface DButtonBaseOnOptions<VALUE, EMITTER> extends Partial<DButtonBaseEvents<VALUE, EMITTER>>, DOnOptions {
}
/**
 * {@link DButtonBase} options.
 */
export interface DButtonBaseOptions<VALUE = unknown, THEME extends DThemeButtonBase<VALUE> = DThemeButtonBase<VALUE>, EMITTER = any> extends DImageBaseOptions<VALUE, THEME, EMITTER> {
    /**
     * True to turn a toggle mode on.
     */
    toggle?: boolean;
    /**
     * A button group.
     */
    group?: DButtonGroup;
    /**
     * An option when to activate a button.
     */
    when?: DButtonBaseWhen | keyof typeof DButtonBaseWhen;
    /**
     * Mappings of event names and handlers.
     */
    on?: DButtonBaseOnOptions<VALUE, EMITTER>;
}
/**
 * {@link DButtonBase} theme.
 */
export interface DThemeButtonBase<VALUE = unknown> extends DThemeImageBase<VALUE> {
    /**
     * Returns true to turn a toggle mode on.
     */
    isToggle(): boolean;
    /**
     * Returns when to activate a button.
     */
    getWhen(): DButtonBaseWhen;
}
/**
 * A base class for button classes.
 * See {@link DButtonBaseEvents} for event details.
 */
export declare class DButtonBase<VALUE = unknown, THEME extends DThemeButtonBase<VALUE> = DThemeButtonBase<VALUE>, OPTIONS extends DButtonBaseOptions<VALUE, THEME> = DButtonBaseOptions<VALUE, THEME>> extends DImageBase<VALUE, THEME, OPTIONS> {
    protected _isToggle?: boolean;
    protected _isGrouped?: boolean;
    protected _when?: DButtonBaseWhen;
    protected init(options?: OPTIONS): void;
    protected onShortcut(e: KeyboardEvent): void;
    get isToggle(): boolean;
    get isGrouped(): boolean;
    set isGrouped(isGrouped: boolean);
    protected initOnPress(): void;
    protected getType(): string;
    protected onClick(e: InteractionEvent): void;
    protected onDblClick(e: MouseEvent | TouchEvent, interactionManager: InteractionManager): boolean;
    activate(e?: InteractionEvent | KeyboardEvent | MouseEvent | TouchEvent): void;
    protected onActivate(e?: InteractionEvent | KeyboardEvent | MouseEvent | TouchEvent): void;
    protected onInactivate(e?: InteractionEvent | KeyboardEvent | MouseEvent | TouchEvent): void;
    toggle(): void;
    protected onToggleStart(e?: InteractionEvent | KeyboardEvent | MouseEvent | TouchEvent): void;
    protected onToggleEnd(e?: InteractionEvent | KeyboardEvent | MouseEvent | TouchEvent): void;
    protected onActivateKeyDown(e: KeyboardEvent): void;
    protected onActivateKeyUp(e: KeyboardEvent): void;
    protected onKeyDown(e: KeyboardEvent): boolean;
    protected onKeyUp(e: KeyboardEvent): boolean;
    protected onStateChange(newState: DBaseStateSet, oldState: DBaseStateSet): void;
    protected onPress(): void;
    protected onUnpress(): void;
    destroy(): void;
}