Type Alias PianoRollInstance

type PianoRollInstance = {
    clearSelection: () => void;
    copySelection: () => Note[];
    core: MMLCore;
    getMML: () => string;
    getNotes: () => Note[];
    getNotesInRect: (
        rect: { height: number; width: number; x: number; y: number },
    ) => Note[];
    getSelectionRect: () => | {
        height: number;
        width: number;
        x: number;
        y: number;
    }
    | null;
    getToolMode: () => ToolMode;
    pasteNotes: (notes: Note[], startStep: number) => void;
    redraw: () => void;
    setNoteLengthSteps: (steps: number) => void;
    setToolMode: (mode: ToolMode) => void;
    setVolume: (volume: number) => void;
}