Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | import React from "react"; import { StyledPianoRollCrosshair, StyledPianoRollCrosshairHorizontal, StyledPianoRollCrosshairVertical, } from "./style"; import { PIANO_ROLL_CELL_SIZE, TOTAL_NOTES } from "consts"; interface PianoRollCrosshairProps { hoverColumn: number | null; hoverRow: number | null; isSequenceHovered: boolean; } export const PianoRollCrosshair = ({ hoverColumn, hoverRow, isSequenceHovered, }: PianoRollCrosshairProps) => { Iif (hoverColumn === null || hoverRow == null) { return null; } return ( <StyledPianoRollCrosshair> <StyledPianoRollCrosshairHorizontal style={{ top: (TOTAL_NOTES - hoverRow - 1) * PIANO_ROLL_CELL_SIZE, }} /> {isSequenceHovered && ( <StyledPianoRollCrosshairVertical style={{ left: hoverColumn * PIANO_ROLL_CELL_SIZE, }} /> )} </StyledPianoRollCrosshair> ); }; |