import { Position } from '../types';
/** Movement (px) required before a pointer gesture counts as a drag */
export declare const TOOLBAR_DRAG_THRESHOLD = 5;
/** Minimum gap between the toolbar and the viewport edge */
export declare const TOOLBAR_VIEWPORT_PADDING = 20;
export interface ToolbarSize {
    width: number;
    height: number;
}
export interface ViewportSize {
    width: number;
    height: number;
}
/**
 * Keep the toolbar fully inside the viewport.
 */
export declare function clampToolbarPosition(x: number, y: number, toolbar: ToolbarSize, viewport: ViewportSize, padding?: number): Position;
/**
 * True when the pointer has moved far enough to count as a drag, not a click.
 */
export declare function hasExceededDragThreshold(startX: number, startY: number, currentX: number, currentY: number, threshold?: number): boolean;
/**
 * Translate the toolbar by the pointer delta and clamp to the viewport.
 */
export declare function computeDraggedToolbarPosition(origin: Position, startPointer: Position, currentPointer: Position, toolbar: ToolbarSize, viewport: ViewportSize, padding?: number): Position;
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