import React from "react";
import { TimecodeFrameRate } from "@techsquidtv/canvas-timeline-utils";
import { TimelineEngine, TimelineInteractionGeometry, TimelineKeyframeHitTestResult, TimelineKeyframePropertyId, TimelineKeyframeRect } from "@techsquidtv/canvas-timeline-core";
//#region src/components/interactions/KeyframeInteractionLayer.d.ts
/**
 * Details passed to a keyframe double-click or double-tap callback.
 */
interface KeyframeDoubleClickDetails {
  /** Timeline engine owning the keyframe. */
  engine: TimelineEngine;
  /** Original pointer event. */
  event: PointerEvent;
}
/**
 * Details passed to a keyframe keyboard delete callback.
 */
interface KeyframeDeleteDetails {
  /** Timeline engine owning the keyframe. */
  engine: TimelineEngine;
  /** Original keyboard event. */
  event: React.KeyboardEvent<HTMLDivElement>;
}
/**
 * Props for the delegated keyframe interaction layer.
 */
interface KeyframeInteractionLayerProps extends Omit<React.HTMLAttributes<HTMLDivElement>, keyof TimelineInteractionGeometry>, TimelineInteractionGeometry {
  /** Keyframe property to render and hit-test. */
  property: TimelineKeyframePropertyId;
  /** Only render keyframes owned by selected clips. Defaults to false. */
  selectedClipOnly?: boolean;
  /** Extra pixels around the viewport included in visible keyframe queries. */
  overscanPixels?: number;
  /** Keyframe affordance square size in CSS pixels. */
  keyframeSize?: number;
  /**
   * Invisible pointer padding in CSS pixels added around each keyframe handle.
   *
   * Presses inside the padded area target the keyframe instead of falling
   * through to lower interaction layers such as the clip layer. Defaults to 8.
   */
  hitPadding?: number;
  /** Vertical padding used when mapping keyframe values into a clip row. */
  keyframeValuePadding?: number;
  /** Keyboard nudge amount in seconds for left/right arrow keys. Defaults to one frame at the configured frame rate. */
  keyboardStepSeconds?: number;
  /** Frame rate for snapping and keyboard nudges; defaults to the engine configuration. */
  frameRate?: TimecodeFrameRate;
  /** Normalized value change for up/down arrow nudges. Defaults to one percent. */
  keyboardValueStep?: number;
  /** Optional handler for double-click or double-tap gestures on keyframe handles. */
  onKeyframeDoubleClick?: (keyframe: TimelineKeyframeRect, details: KeyframeDoubleClickDetails) => void;
  /** Optional handler for Delete/Backspace key gestures on keyframe handles. */
  onKeyframeDelete?: (keyframe: TimelineKeyframeRect, details: KeyframeDeleteDetails) => void;
  /** Optional accessible label formatter for a canvas-rendered keyframe. */
  getKeyframeAriaLabel?: (keyframe: TimelineKeyframeHitTestResult) => string;
}
/** Delegated keyframe editing with one focus target and one active affordance. */
declare const KeyframeInteractionLayer: React.ForwardRefExoticComponent<KeyframeInteractionLayerProps & React.RefAttributes<HTMLDivElement>>;
//#endregion
export { KeyframeDeleteDetails, KeyframeDoubleClickDetails, KeyframeInteractionLayer, KeyframeInteractionLayerProps };
//# sourceMappingURL=KeyframeInteractionLayer.d.mts.map