Xiaohan-Tian
1135 lines
42 KiB
TypeScript
1135 lines
42 KiB
TypeScript
import React, { useRef, useEffect, useState, useCallback, useLayoutEffect, useMemo } from 'react';
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import './PianoRoll.css';
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import type { MouseEvent } from 'react';
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import { useProjectStore } from '../../stores/projectStore';
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import { FaGripLines } from 'react-icons/fa';
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import { KGMidiRegion } from '../../core/region/KGMidiRegion';
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import type { KGAudioRegion } from '../../core/region/KGAudioRegion';
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import { DEBUG_MODE, PIANO_ROLL_CONSTANTS, TOOLBAR_CONSTANTS } from '../../constants';
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import PianoRollHeader from './PianoRollHeader';
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import PianoRollToolbar from './PianoRollToolbar';
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import NoteAttributeBar from './NoteAttributeBar';
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import PianoRollContent from './PianoRollContent';
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import { KGCore } from '../../core/KGCore';
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import { KGMidiNote } from '../../core/midi/KGMidiNote';
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import { KGPianoRollState } from '../../core/state/KGPianoRollState';
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import { ConfigManager } from '../../core/config/ConfigManager';
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import { beatsToBar } from '../../util/midiUtil';
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import { UpdateRegionCommand } from '../../core/commands';
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import { getSuitableChords, noteNameToPitchClass } from '../../util/scaleUtil';
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import { showAlert, showPrompt } from '../../util/dialogUtil';
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import {
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normalizeSpectrogramHeightResolution,
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type SpectrogramHeightResolution,
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} from '../../util/spectrogramUtil';
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import type { PianoRollAutomationType } from './pianoRollAutomation';
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interface PianoRollProps {
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onClose: () => void;
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regionId: string | null;
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initialPosition?: { x: number; y: number };
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initialSize?: { width: number; height: number };
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mode?: 'midi-edit' | 'spectrogram' | 'hybrid';
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audioRegion?: KGAudioRegion;
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trackId?: string;
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projectName?: string;
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}
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const PianoRoll: React.FC<PianoRollProps> = ({
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onClose,
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regionId,
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initialPosition,
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initialSize,
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mode = 'midi-edit',
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audioRegion,
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trackId,
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projectName,
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}) => {
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const isSpectrogram = mode === 'spectrogram';
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const isHybrid = mode === 'hybrid';
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const { maxBars, tracks, updateTrack, timeSignature, showChatBox, showKGOnePanel, showListEventPanel, showInstrumentSelection, keySignature, selectedMode, setSelectedMode, playheadPosition, isPlaying, autoScrollEnabled, bpm, pianoRollScrollRequest, selectedNoteIds, automationRedrawVersion } = useProjectStore();
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// Tool state for piano roll
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const [activeTool, setActiveTool] = useState<'pointer' | 'pencil'>('pointer');
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// Spectrogram controls (only used in spectrogram mode)
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const [spectrogramThresholdDb, setSpectrogramThresholdDb] = useState<number>(-25);
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const [spectrogramPower, setSpectrogramPower] = useState<number>(0.5);
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const [spectrogramHeightResolution, setSpectrogramHeightResolution] =
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useState<SpectrogramHeightResolution>(3);
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// Piano roll zoom (1x–8x); updates --region-grid-beat-width CSS variable
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const [pianoRollZoom, setPianoRollZoom] = useState<number>(1);
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const [automationEnabled, setAutomationEnabled] = useState(false);
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const [automationType, setAutomationType] = useState<PianoRollAutomationType>('pitch-bend');
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// Quantization state
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const [quantPosition, setQuantPosition] = useState<string>('1/8');
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const [quantLength, setQuantLength] = useState<string>('1/8');
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// Snapping state
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const [snapping, setSnapping] = useState<string>('NO SNAP');
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// Chord guide state
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const [chordGuide, setChordGuide] = useState<string>('N');
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// Piano roll state with temporary initial values
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const [position, setPosition] = useState(initialPosition || { x: 0, y: 0 });
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// Blink effect state for toolbar button feedback
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const [blinkButton, setBlinkButton] = useState<string | null>(null);
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const [size, setSize] = useState(initialSize || { width: 800, height: PIANO_ROLL_CONSTANTS.PIANO_ROLL_HEIGHT });
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const [isDragging, setIsDragging] = useState(false);
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const [isResizing, setIsResizing] = useState(false);
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const [dragOffset, setDragOffset] = useState({ x: 0, y: 0 });
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const [activeRegion, setActiveRegion] = useState<KGMidiRegion | null>(null);
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const selectedNotes = useMemo(
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() => activeRegion?.getNotes().filter(n => selectedNoteIds.includes(n.getId())) ?? [],
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[activeRegion, selectedNoteIds]
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);
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const pianoRollRef = useRef<HTMLDivElement>(null);
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const pianoRollContentRef = useRef<HTMLDivElement>(null);
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const pianoRollNoteScrollRef = useRef<HTMLDivElement>(null);
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const pianoGridRef = useRef<HTMLDivElement>(null);
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const wasDraggingRef = useRef<boolean>(false);
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// Refs for auto-scroll during playback
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const pianoRollExpectedScrollLeftRef = useRef<number>(-1);
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const pianoRollIsPlayingRef = useRef(false);
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const pendingZoomAnchorBeatRef = useRef<number | null>(null);
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// Ref for storing the setNoteUpdateCounter function
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const triggerNoteUpdateRef = useRef<React.Dispatch<React.SetStateAction<number>> | null>(null);
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// Ref for storing the deleteSelectedNotes function
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const deleteSelectedNotesRef = useRef<(() => boolean) | null>(null);
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// Calculate initial position and size once on mount
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useEffect(() => {
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// Skip if initialPosition or initialSize were provided as props
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if (!initialPosition || !initialSize) {
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// Calculate initial position based on window dimensions
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const calculateInitialPosition = () => {
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// Dynamically get heights from CSS computed styles
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const statusBarElement = document.querySelector('.status-bar');
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// Get actual heights from DOM elements, or use fallback values if elements don't exist yet
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const statusBarHeight = statusBarElement ? statusBarElement.clientHeight : 30;
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const pianoRollHeight = PIANO_ROLL_CONSTANTS.PIANO_ROLL_HEIGHT;
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// Compute left offset when instrument selection panel is open
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const rootStyles = getComputedStyle(document.documentElement);
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const instrumentPanelWidthStr = rootStyles.getPropertyValue('--instrument-selection-width') || '300px';
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const instrumentPanelWidth = parseInt(instrumentPanelWidthStr, 10) || 300;
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Positioning piano roll with heights - statusBar: ${statusBarHeight}px, pianoRoll: ${pianoRollHeight}px`);
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}
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return {
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x: showInstrumentSelection ? instrumentPanelWidth : 0,
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y: window.innerHeight - statusBarHeight - pianoRollHeight
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};
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};
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const calculateInitialSize = () => {
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const rootStyles = getComputedStyle(document.documentElement);
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const chatBoxWidthStr = rootStyles.getPropertyValue('--chat-box-width') || '350px';
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const instrumentPanelWidthStr = rootStyles.getPropertyValue('--instrument-selection-width') || '300px';
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const chatBoxWidth = parseInt(chatBoxWidthStr, 10) || 350;
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const instrumentPanelWidth = parseInt(instrumentPanelWidthStr, 10) || 300;
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let availableWidth = window.innerWidth;
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if (showChatBox || showKGOnePanel || showListEventPanel) availableWidth -= chatBoxWidth;
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if (showInstrumentSelection) availableWidth -= instrumentPanelWidth;
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// Ensure a sensible minimum starting width
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const clampedWidth = Math.max(400, availableWidth);
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return {
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width: clampedWidth,
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height: PIANO_ROLL_CONSTANTS.PIANO_ROLL_HEIGHT
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};
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};
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// Set position and size only if not provided as props
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if (!initialPosition) {
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setPosition(calculateInitialPosition());
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}
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if (!initialSize) {
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setSize(calculateInitialSize());
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}
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}
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// Intentionally run once on mount to capture layout at open time
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// eslint-disable-next-line react-hooks/exhaustive-deps
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}, []); // Empty dependency array means this runs once on mount
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// Find and set the active region when regionId changes
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useEffect(() => {
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if (!regionId) {
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setActiveRegion(null);
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return;
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}
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let found: KGMidiRegion | null = null;
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for (const track of tracks) {
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const region = track.getRegions().find(r => r.getId() === regionId);
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if (region && region instanceof KGMidiRegion) {
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found = region;
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break;
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}
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}
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// Always update — clears stale MIDI region when switching to an audio region
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setActiveRegion(found);
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if (found && DEBUG_MODE.PIANO_ROLL) {
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console.log(`Active region set in PianoRoll: ${found.getId()}`);
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console.log(`Region details: name=${found.getName()}, trackId=${found.getTrackId()}, trackIndex=${found.getTrackIndex()}`);
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}
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}, [regionId, tracks]);
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// Sync local state with KGPianoRollState on mount
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useEffect(() => {
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const pianoRollState = KGPianoRollState.instance();
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// Sync snapping state
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const currentSnap = pianoRollState.getCurrentSnap();
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setSnapping(currentSnap);
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// Sync tool state
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const currentTool = pianoRollState.getActiveTool() as 'pointer' | 'pencil';
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setActiveTool(currentTool);
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setAutomationEnabled(pianoRollState.getAutomationViewEnabled());
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setAutomationType(pianoRollState.getCurrentAutomationType() as PianoRollAutomationType);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Synced piano roll state on mount - snap: ${currentSnap}, tool: ${currentTool}`);
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}
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}, []); // Empty dependency array means this runs once on mount
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useEffect(() => {
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let unsubscribe: (() => void) | undefined;
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const initializeSpectrogramHeightResolution = async () => {
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const configManager = ConfigManager.instance();
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if (!configManager.getIsInitialized()) {
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await configManager.initialize();
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}
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const applyResolutionFromConfig = () => {
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setSpectrogramHeightResolution(
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normalizeSpectrogramHeightResolution(
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configManager.get('editor.spectrogram_height_resolution')
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)
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);
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};
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applyResolutionFromConfig();
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unsubscribe = configManager.addChangeListener((changedKeys) => {
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if (
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changedKeys.includes('__all__') ||
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changedKeys.includes('editor.spectrogram_height_resolution')
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) {
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applyResolutionFromConfig();
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}
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});
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};
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void initializeSpectrogramHeightResolution();
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return () => {
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unsubscribe?.();
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};
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}, []);
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// Add keyboard event listener for Escape
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useEffect(() => {
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const handleKeyDown = (event: KeyboardEvent) => {
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// Close on Escape key
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if (event.key === 'Escape') {
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log('Closing piano roll with ESC key');
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}
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onClose();
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}
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};
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// Add event listener
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window.addEventListener('keydown', handleKeyDown);
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// Remove event listener on cleanup
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return () => {
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window.removeEventListener('keydown', handleKeyDown);
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};
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}, [onClose]);
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// Handle mouse events for dragging and resizing
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const handleMouseDown = (e: React.MouseEvent, action: 'drag' | 'resize') => {
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if (action === 'drag') {
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setIsDragging(true);
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wasDraggingRef.current = false; // Reset the dragging flag
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if (pianoRollRef.current) {
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const rect = pianoRollRef.current.getBoundingClientRect();
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setDragOffset({
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x: e.clientX - rect.left,
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y: e.clientY - rect.top
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});
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}
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} else if (action === 'resize') {
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setIsResizing(true);
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e.preventDefault();
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}
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};
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useEffect(() => {
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const handleMouseMove = (e: MouseEvent) => {
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if (isDragging) {
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// Set the flag to true as soon as any movement happens
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wasDraggingRef.current = true;
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setPosition({
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x: e.clientX - dragOffset.x,
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y: e.clientY - dragOffset.y
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});
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} else if (isResizing) {
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setSize({
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width: Math.max(400, e.clientX - position.x),
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height: Math.max(300, e.clientY - position.y)
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});
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}
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};
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const handleMouseUp = () => {
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setIsDragging(false);
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setIsResizing(false);
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// We keep wasDraggingRef.current as is - it will be used in handleTitleClick
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// and reset on the next mousedown
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};
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if (isDragging || isResizing) {
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document.addEventListener('mousemove', handleMouseMove as unknown as EventListener);
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document.addEventListener('mouseup', handleMouseUp);
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}
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return () => {
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document.removeEventListener('mousemove', handleMouseMove as unknown as EventListener);
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document.removeEventListener('mouseup', handleMouseUp);
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};
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}, [isDragging, isResizing, dragOffset, position]);
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// Handle title click to rename the region
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const handleTitleClick = async () => {
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// If we were just dragging, don't show the rename dialog
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if (wasDraggingRef.current) {
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log("Skipping rename dialog because the window was just dragged");
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}
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return;
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}
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if (!activeRegion) return;
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// Show a prompt to get the new name
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const newName = await showPrompt("Enter a new name for the region:", activeRegion.getName());
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// If the user clicked Cancel or entered an empty string, do nothing
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if (!newName || newName.trim() === '' || newName === activeRegion.getName()) return;
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// Use command pattern to update the region name with undo support
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try {
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const command = new UpdateRegionCommand(activeRegion.getId(), { name: newName.trim() });
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KGCore.instance().executeCommand(command);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Executed UpdateRegionCommand: renamed region ${activeRegion.getId()} to "${newName}" using command pattern`);
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}
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// Update the store to trigger re-render
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const updatedTracks = [...tracks];
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useProjectStore.setState({ tracks: updatedTracks });
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} catch (error) {
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console.error('Error renaming region:', error);
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await showAlert('Failed to rename region. Please try again.');
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}
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};
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// Handle tool selection
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const handleToolSelect = (tool: 'pointer' | 'pencil') => {
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setActiveTool(tool);
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KGPianoRollState.instance().setActiveTool(tool);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Selected tool: ${tool}`);
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}
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};
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// Handle snapping selection
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const handleSnappingSelect = useCallback((value: string) => {
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setSnapping(value);
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KGPianoRollState.instance().setCurrentSnap(value);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Selected snapping: ${value}`);
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}
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}, []);
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// Handle mode selection
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const handleModeSelect = useCallback((value: string) => {
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setSelectedMode(value);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Selected mode: ${value}`);
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}
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}, [setSelectedMode]);
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// Handle chord guide selection
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const handleChordGuideSelect = useCallback((value: string) => {
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setChordGuide(value);
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}, []);
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// Update suitable chords whenever chord guide, key signature, or mode changes
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useEffect(() => {
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const pianoRollState = KGPianoRollState.instance();
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if (chordGuide === 'N') {
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// Disabled - clear chord data
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pianoRollState.setCurrentSuitableChords({});
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pianoRollState.setCurrentSuitableChordsPitchClasses({});
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Chord guide disabled - cleared suitable chords`);
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}
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} else {
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// Get suitable chords for the selected function (T/S/D)
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const functionType = chordGuide as 'T' | 'S' | 'D';
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const suitableChords = getSuitableChords(keySignature, selectedMode, functionType);
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// Convert note names to pitch classes (ensuring ascending order)
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const chordsPitchClasses: Record<string, number[]> = {};
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for (const [chordSymbol, noteNames] of Object.entries(suitableChords)) {
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const pitchClasses: number[] = [];
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let previousPitch = -1;
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for (const noteName of noteNames) {
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let pitchClass = noteNameToPitchClass(noteName);
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// If this pitch is lower than the previous one, add an octave
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if (previousPitch >= 0 && pitchClass <= previousPitch) {
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pitchClass += 12;
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}
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pitchClasses.push(pitchClass);
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previousPitch = pitchClass;
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}
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chordsPitchClasses[chordSymbol] = pitchClasses;
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}
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// Update piano roll state
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pianoRollState.setCurrentSuitableChords(suitableChords);
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pianoRollState.setCurrentSuitableChordsPitchClasses(chordsPitchClasses);
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Chord guide updated: ${chordGuide} (${functionType})`);
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console.log(`Suitable chords for ${keySignature} in ${selectedMode} mode:`, suitableChords);
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console.log(`Pitch classes:`, chordsPitchClasses);
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}
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}
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}, [chordGuide, keySignature, selectedMode]);
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// Handler for receiving the setNoteUpdateCounter function from PianoRollContent
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const handleSetNoteUpdateTrigger = (setNoteFn: React.Dispatch<React.SetStateAction<number>>) => {
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triggerNoteUpdateRef.current = setNoteFn;
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};
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// Handler for receiving the deleteSelectedNotes function from PianoRollContent
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const handleSetDeleteNotesTrigger = (deleteFn: () => boolean) => {
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deleteSelectedNotesRef.current = deleteFn;
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};
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// Quantize selected notes based on the selected quantization value
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const quantizeSelectedNotes = useCallback((quantValue: string) => {
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if (!activeRegion) return;
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// Get the KGCore instance
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const core = KGCore.instance();
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// Get all selected notes
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const selectedItems = core.getSelectedItems();
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const selectedNotes = selectedItems.filter(item =>
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item instanceof KGMidiNote &&
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activeRegion.getNotes().some(note => note.getId() === item.getId())
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) as KGMidiNote[];
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if (selectedNotes.length === 0) {
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log('No notes selected for quantization');
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}
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return;
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}
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if (DEBUG_MODE.PIANO_ROLL) {
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console.log(`Quantizing ${selectedNotes.length} selected notes with value: ${quantValue}`);
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}
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// Parse the quantization value (e.g., "1/4", "1/8", "1/16", "1/32")
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const denominator = parseInt(quantValue.split('/')[1]);
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if (isNaN(denominator)) {
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console.error(`Invalid quantization value: ${quantValue}`);
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return;
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}
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// Calculate the quantization step in beats
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// In a 4/4 time signature, a quarter note (1/4) is 1 beat
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// In a 6/8 time signature, an eighth note (1/8) is 1 beat
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const { numerator, denominator: timeSigDenominator } = timeSignature;
|
||
|
||
// Calculate beats per whole note based on time signature
|
||
// In 4/4, a whole note is 4 beats
|
||
// In 6/8, a whole note is 6 beats (because each beat is an eighth note)
|
||
const beatsPerWholeNote = numerator * (4 / timeSigDenominator);
|
||
|
||
// Calculate the quantization step in beats
|
||
// quantizationStep should ALWAYS be 4 / denominator regardless of time signature
|
||
const quantizationStep = 4 / denominator;
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Time signature: ${numerator}/${timeSigDenominator}`);
|
||
console.log(`Beats per whole note: ${beatsPerWholeNote}`);
|
||
console.log(`Quantization step: ${quantizationStep} beats`);
|
||
}
|
||
|
||
// Apply quantization to each selected note
|
||
selectedNotes.forEach(note => {
|
||
// Get the current start beat
|
||
const currentStartBeat = note.getStartBeat();
|
||
|
||
// Calculate the quantized start beat
|
||
const quantizedStartBeat = Math.round(currentStartBeat / quantizationStep) * quantizationStep;
|
||
|
||
// Calculate the duration of the note
|
||
const duration = note.getEndBeat() - currentStartBeat;
|
||
|
||
// Set the new start beat and maintain the duration
|
||
note.setStartBeat(quantizedStartBeat);
|
||
note.setEndBeat(quantizedStartBeat + duration);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Quantized note ${note.getId()}: ${currentStartBeat} -> ${quantizedStartBeat}`);
|
||
}
|
||
});
|
||
|
||
// Find the track that contains this region and update it
|
||
const track = tracks.find(t => t.getId().toString() === activeRegion.getTrackId());
|
||
if (track) {
|
||
updateTrack(track);
|
||
}
|
||
|
||
// Trigger a re-render by incrementing the note update counter
|
||
if (triggerNoteUpdateRef.current) {
|
||
triggerNoteUpdateRef.current(prev => prev + 1);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log('Triggered note update to re-render quantized notes');
|
||
}
|
||
}
|
||
}, [activeRegion, timeSignature, updateTrack, tracks]);
|
||
|
||
// Quantize selected notes length based on the selected quantization value
|
||
const quantizeNoteLength = useCallback((quantValue: string) => {
|
||
if (!activeRegion) return;
|
||
|
||
// Get the KGCore instance
|
||
const core = KGCore.instance();
|
||
|
||
// Get all selected notes
|
||
const selectedItems = core.getSelectedItems();
|
||
const selectedNotes = selectedItems.filter(item =>
|
||
item instanceof KGMidiNote &&
|
||
activeRegion.getNotes().some(note => note.getId() === item.getId())
|
||
) as KGMidiNote[];
|
||
|
||
if (selectedNotes.length === 0) {
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log('No notes selected for length quantization');
|
||
}
|
||
return;
|
||
}
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Quantizing length of ${selectedNotes.length} selected notes with value: ${quantValue}`);
|
||
}
|
||
|
||
// Parse the quantization value (e.g., "1/1", "1/2", "1/4", "1/8", "1/16", "1/32")
|
||
const denominator = parseInt(quantValue.split('/')[1]);
|
||
if (isNaN(denominator)) {
|
||
console.error(`Invalid quantization value: ${quantValue}`);
|
||
return;
|
||
}
|
||
|
||
// Calculate the quantization step in beats
|
||
// In a 4/4 time signature, a quarter note (1/4) is 1 beat
|
||
// In a 6/8 time signature, an eighth note (1/8) is 1 beat
|
||
const { numerator, denominator: timeSigDenominator } = timeSignature;
|
||
|
||
// Calculate beats per whole note based on time signature
|
||
// In 4/4, a whole note is 4 beats
|
||
// In 6/8, a whole note is 6 beats (because each beat is an eighth note)
|
||
const beatsPerWholeNote = numerator * (4 / timeSigDenominator);
|
||
|
||
// Calculate the quantization step in beats
|
||
// quantizationStep should ALWAYS be 4 / denominator regardless of time signature
|
||
const quantizationStep = 4 / denominator;
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Time signature: ${numerator}/${timeSigDenominator}`);
|
||
console.log(`Beats per whole note: ${beatsPerWholeNote}`);
|
||
console.log(`Length quantization step: ${quantizationStep} beats`);
|
||
}
|
||
|
||
// Apply quantization to each selected note
|
||
selectedNotes.forEach(note => {
|
||
// Get the current start and end beats
|
||
const startBeat = note.getStartBeat();
|
||
const currentEndBeat = note.getEndBeat();
|
||
|
||
// Calculate the current duration
|
||
const currentDuration = currentEndBeat - startBeat;
|
||
|
||
// Calculate the quantized duration
|
||
// If the current duration is less than the quantization step,
|
||
// extend it to match the quantization step exactly
|
||
// Otherwise, round to the nearest multiple of quantizationStep
|
||
let quantizedDuration;
|
||
|
||
if (currentDuration < quantizationStep) {
|
||
// For notes shorter than the quantization step, extend to exactly one step
|
||
quantizedDuration = quantizationStep;
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Extending short note ${note.getId()} from ${currentDuration} to ${quantizedDuration}`);
|
||
}
|
||
} else {
|
||
// For longer notes, round to nearest multiple of quantizationStep
|
||
quantizedDuration = Math.round(currentDuration / quantizationStep) * quantizationStep;
|
||
}
|
||
|
||
// Ensure minimum note length
|
||
quantizedDuration = Math.max(PIANO_ROLL_CONSTANTS.MIN_NOTE_LENGTH, quantizedDuration);
|
||
|
||
// Set the new end beat while maintaining the start beat
|
||
note.setEndBeat(startBeat + quantizedDuration);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Quantized note length ${note.getId()}: ${currentDuration} -> ${quantizedDuration}`);
|
||
}
|
||
});
|
||
|
||
// Find the track that contains this region and update it
|
||
const track = tracks.find(t => t.getId().toString() === activeRegion.getTrackId());
|
||
if (track) {
|
||
updateTrack(track);
|
||
}
|
||
|
||
// Trigger a re-render by incrementing the note update counter
|
||
if (triggerNoteUpdateRef.current) {
|
||
triggerNoteUpdateRef.current(prev => prev + 1);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log('Triggered note update to re-render quantized note lengths');
|
||
}
|
||
}
|
||
}, [activeRegion, timeSignature, updateTrack, tracks]);
|
||
|
||
// Handle quantization selection
|
||
const handleQuantSelect = useCallback((type: 'position' | 'length', value: string) => {
|
||
if (type === 'position') {
|
||
setQuantPosition(value);
|
||
|
||
// Apply quantization immediately when position quantization is changed
|
||
quantizeSelectedNotes(value);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`quant-position selected: ${value}`);
|
||
}
|
||
} else {
|
||
setQuantLength(value);
|
||
|
||
// Apply length quantization immediately when length quantization is changed
|
||
quantizeNoteLength(value);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`quant-length selected: ${value}`);
|
||
}
|
||
}
|
||
}, [quantizeSelectedNotes, quantizeNoteLength]);
|
||
|
||
const handleZoomChange = useCallback((nextZoom: number) => {
|
||
if (nextZoom === pianoRollZoom) return;
|
||
|
||
const container = pianoRollNoteScrollRef.current;
|
||
pendingZoomAnchorBeatRef.current = null;
|
||
if (container) {
|
||
const keysWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-piano-key-width')
|
||
) || 60;
|
||
const visibleMusicWidth = Math.max(0, container.clientWidth - keysWidth);
|
||
const beatWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-grid-beat-width')
|
||
) || TOOLBAR_CONSTANTS.BASE_BAR_WIDTH;
|
||
|
||
if (visibleMusicWidth > 0 && beatWidth > 0) {
|
||
pendingZoomAnchorBeatRef.current = (container.scrollLeft + visibleMusicWidth / 2) / beatWidth;
|
||
} else {
|
||
pendingZoomAnchorBeatRef.current = null;
|
||
}
|
||
}
|
||
|
||
setPianoRollZoom(nextZoom);
|
||
}, [pianoRollZoom]);
|
||
|
||
const handleAutomationToggle = useCallback(() => {
|
||
setAutomationEnabled(current => {
|
||
const next = !current;
|
||
KGPianoRollState.instance().setAutomationViewEnabled(next);
|
||
return next;
|
||
});
|
||
}, []);
|
||
|
||
const handleAutomationTypeChange = useCallback((value: PianoRollAutomationType) => {
|
||
setAutomationType(value);
|
||
KGPianoRollState.instance().setCurrentAutomationType(value);
|
||
}, []);
|
||
|
||
// Calculate C4 position and scroll to it when piano roll opens
|
||
useEffect(() => {
|
||
if (pianoRollNoteScrollRef.current) {
|
||
// Calculate position of C4
|
||
// We have 8 octaves (0-7), and C4 is in the middle
|
||
// Each octave has 12 notes, each note is piano key height
|
||
// C4 is in octave 4, and C is the first note in each octave
|
||
|
||
// Calculate from the bottom:
|
||
// - Octaves 0-3 = 4 octaves = 4 * 12 * piano key height
|
||
// - Within octave 4, C is the first note (from bottom), so 0px additional
|
||
const keyHeight = parseInt(getComputedStyle(document.documentElement).getPropertyValue('--region-piano-key-height')) || 20;
|
||
const c4Position = 4 * 12 * keyHeight; // pixels from bottom
|
||
|
||
// Total height of all notes (8 octaves * 12 notes * piano key height)
|
||
const totalHeight = 8 * 12 * keyHeight;
|
||
|
||
// Get the viewport height of the piano roll content
|
||
const viewportHeight = pianoRollNoteScrollRef.current.clientHeight;
|
||
|
||
// Calculate scroll position to center C4
|
||
// We need to scroll from the top, so we calculate:
|
||
// (total height - C4 position) - (viewport height / 2)
|
||
const scrollPosition = (totalHeight - c4Position) - (viewportHeight / 2);
|
||
|
||
// Scroll to the calculated position
|
||
pianoRollNoteScrollRef.current.scrollTop = Math.max(0, scrollPosition);
|
||
}
|
||
}, []);
|
||
|
||
// Sync isPlayingRef for use inside scroll event closure
|
||
useEffect(() => {
|
||
pianoRollIsPlayingRef.current = isPlaying;
|
||
}, [isPlaying]);
|
||
|
||
// Detect manual horizontal scroll during playback
|
||
useEffect(() => {
|
||
const container = pianoRollNoteScrollRef.current;
|
||
if (!container) return;
|
||
|
||
const handleScroll = () => {
|
||
if (!pianoRollIsPlayingRef.current) return;
|
||
if (Math.abs(container.scrollLeft - pianoRollExpectedScrollLeftRef.current) < 1) return;
|
||
useProjectStore.getState().setAutoScrollEnabled(false);
|
||
};
|
||
|
||
container.addEventListener('scroll', handleScroll);
|
||
return () => {
|
||
container.removeEventListener('scroll', handleScroll);
|
||
};
|
||
}, []);
|
||
|
||
// Auto-scroll to keep playhead centered during playback
|
||
useEffect(() => {
|
||
if (!isPlaying || !autoScrollEnabled) return;
|
||
|
||
const container = pianoRollNoteScrollRef.current;
|
||
if (!container) return;
|
||
|
||
const beatWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-grid-beat-width')
|
||
) || 40;
|
||
const playheadPixel = playheadPosition * beatWidth;
|
||
|
||
// Center the playhead in the visible grid area (excluding the 60px sticky piano keys panel)
|
||
const keysWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-piano-key-width')
|
||
) || 60;
|
||
const targetScrollLeft = playheadPixel - (container.clientWidth - keysWidth) / 2;
|
||
const clampedScrollLeft = Math.max(
|
||
0,
|
||
Math.min(targetScrollLeft, container.scrollWidth - container.clientWidth)
|
||
);
|
||
|
||
pianoRollExpectedScrollLeftRef.current = clampedScrollLeft;
|
||
container.scrollLeft = clampedScrollLeft;
|
||
}, [playheadPosition, isPlaying, autoScrollEnabled]);
|
||
|
||
// Handle scroll requests from main content bar numbers clicks
|
||
useEffect(() => {
|
||
if (pianoRollScrollRequest === null) return;
|
||
|
||
const container = pianoRollNoteScrollRef.current;
|
||
if (!container) return;
|
||
|
||
const beatWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-grid-beat-width')
|
||
) || 40;
|
||
const playheadPixel = pianoRollScrollRequest * beatWidth;
|
||
|
||
// Center the playhead in the visible grid area (excluding the 60px sticky piano keys panel)
|
||
const keysWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-piano-key-width')
|
||
) || 60;
|
||
const targetScrollLeft = playheadPixel - (container.clientWidth - keysWidth) / 2;
|
||
const clampedScrollLeft = Math.max(
|
||
0,
|
||
Math.min(targetScrollLeft, container.scrollWidth - container.clientWidth)
|
||
);
|
||
|
||
container.scrollLeft = clampedScrollLeft;
|
||
|
||
// Clear the request after handling
|
||
useProjectStore.setState({ pianoRollScrollRequest: null });
|
||
}, [pianoRollScrollRequest]);
|
||
|
||
// Update --region-grid-beat-width when zoom changes and preserve the centered beat position.
|
||
useLayoutEffect(() => {
|
||
const beatWidth = TOOLBAR_CONSTANTS.BASE_BAR_WIDTH * pianoRollZoom;
|
||
document.documentElement.style.setProperty('--region-grid-beat-width', `${beatWidth}px`);
|
||
if (triggerNoteUpdateRef.current) {
|
||
triggerNoteUpdateRef.current(prev => prev + 1);
|
||
}
|
||
|
||
const anchorBeat = pendingZoomAnchorBeatRef.current;
|
||
const container = pianoRollNoteScrollRef.current;
|
||
if (anchorBeat !== null && container) {
|
||
const keysWidth = parseInt(
|
||
getComputedStyle(document.documentElement).getPropertyValue('--region-piano-key-width')
|
||
) || 60;
|
||
const visibleMusicWidth = Math.max(0, container.clientWidth - keysWidth);
|
||
const targetPixel = anchorBeat * beatWidth;
|
||
const targetScrollLeft = targetPixel - visibleMusicWidth / 2;
|
||
const clampedScrollLeft = Math.max(
|
||
0,
|
||
Math.min(targetScrollLeft, container.scrollWidth - container.clientWidth)
|
||
);
|
||
|
||
pianoRollExpectedScrollLeftRef.current = clampedScrollLeft;
|
||
container.scrollLeft = clampedScrollLeft;
|
||
pendingZoomAnchorBeatRef.current = null;
|
||
}
|
||
|
||
return () => {
|
||
document.documentElement.style.setProperty('--region-grid-beat-width', '40px');
|
||
};
|
||
}, [pianoRollZoom]);
|
||
|
||
// Scroll horizontally to the active region's starting bar
|
||
useEffect(() => {
|
||
if (pianoRollNoteScrollRef.current && activeRegion) {
|
||
// Get the starting beat of the region
|
||
const startBeat = activeRegion.getStartFromBeat();
|
||
|
||
// Get the time signature to calculate beats per bar
|
||
const beatsPerBar = timeSignature.numerator;
|
||
|
||
// Calculate the bar number (0-indexed)
|
||
const barNumber = Math.floor(startBeat / beatsPerBar);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Scrolling to region's starting bar: ${barNumber + 1} (startBeat: ${startBeat}, beatsPerBar: ${beatsPerBar})`);
|
||
}
|
||
|
||
// Calculate the pixel position (each bar is --region-grid-bar-width wide, which is 160px by default)
|
||
const barWidth = parseInt(getComputedStyle(document.documentElement).getPropertyValue('--region-grid-bar-width')) || 160;
|
||
|
||
// Calculate the scroll position to scroll to the starting bar
|
||
const scrollPosition = barNumber * barWidth;
|
||
|
||
// Scroll to the calculated position
|
||
pianoRollNoteScrollRef.current.scrollLeft = Math.max(0, scrollPosition);
|
||
}
|
||
}, [activeRegion, timeSignature]);
|
||
|
||
// Add keyboard event listener for piano roll hotkeys (snapping and quantization)
|
||
useEffect(() => {
|
||
const handlePianoRollKeyDown = (event: KeyboardEvent) => {
|
||
// Skip if user is typing in an input field (including ChatBox)
|
||
const target = event.target as HTMLElement;
|
||
if (target && (
|
||
target.tagName === 'INPUT' ||
|
||
target.tagName === 'TEXTAREA' ||
|
||
target.contentEditable === 'true' ||
|
||
target.hasAttribute('data-chatbox-input') ||
|
||
target.closest('.chatbox-input')
|
||
)) {
|
||
return;
|
||
}
|
||
|
||
// Handle delete key for selected notes
|
||
if (event.key === 'Backspace' || event.key === 'Delete') {
|
||
if (deleteSelectedNotesRef.current) {
|
||
const deleted = deleteSelectedNotesRef.current();
|
||
if (deleted) {
|
||
// Prevent default behavior only if notes were actually deleted
|
||
event.preventDefault();
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
|
||
// Handle piano roll hotkeys
|
||
const configManager = ConfigManager.instance();
|
||
if (configManager.getIsInitialized()) {
|
||
// Chord guide switch hotkey
|
||
const switch_key = configManager.get('hotkeys.piano_roll.switch') as string;
|
||
if (event.key && event.key.toLowerCase() === switch_key.toLowerCase()) {
|
||
// Call the switchChord function exposed by PianoGrid
|
||
// eslint-disable-next-line @typescript-eslint/no-explicit-any
|
||
const switchChord = (window as any).__pianoGridSwitchChord;
|
||
if (typeof switchChord === 'function') {
|
||
switchChord();
|
||
event.preventDefault();
|
||
}
|
||
return;
|
||
}
|
||
|
||
// Snapping hotkeys
|
||
const snap_none_key = configManager.get('hotkeys.piano_roll.snap_none') as string;
|
||
const snap_1_4_key = configManager.get('hotkeys.piano_roll.snap_1_4') as string;
|
||
const snap_1_8_key = configManager.get('hotkeys.piano_roll.snap_1_8') as string;
|
||
const snap_1_16_key = configManager.get('hotkeys.piano_roll.snap_1_16') as string;
|
||
|
||
// Quantize position hotkeys
|
||
const qua_pos_1_4_key = configManager.get('hotkeys.piano_roll.qua_pos_1_4') as string;
|
||
const qua_pos_1_8_key = configManager.get('hotkeys.piano_roll.qua_pos_1_8') as string;
|
||
const qua_pos_1_16_key = configManager.get('hotkeys.piano_roll.qua_pos_1_16') as string;
|
||
|
||
// Quantize length hotkeys
|
||
const qua_len_1_4_key = configManager.get('hotkeys.piano_roll.qua_len_1_4') as string;
|
||
const qua_len_1_8_key = configManager.get('hotkeys.piano_roll.qua_len_1_8') as string;
|
||
const qua_len_1_16_key = configManager.get('hotkeys.piano_roll.qua_len_1_16') as string;
|
||
|
||
let actionType: 'snap' | 'quantize' | null = null;
|
||
let actionValue: string | null = null;
|
||
let quantType: 'position' | 'length' | null = null;
|
||
|
||
// Check snapping hotkeys
|
||
if (event.key === snap_none_key) {
|
||
actionType = 'snap';
|
||
actionValue = 'NO SNAP';
|
||
} else if (event.key === snap_1_4_key) {
|
||
actionType = 'snap';
|
||
actionValue = '1/4';
|
||
} else if (event.key === snap_1_8_key) {
|
||
actionType = 'snap';
|
||
actionValue = '1/8';
|
||
} else if (event.key === snap_1_16_key) {
|
||
actionType = 'snap';
|
||
actionValue = '1/16';
|
||
}
|
||
// Check quantize position hotkeys
|
||
else if (event.key === qua_pos_1_4_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/4';
|
||
quantType = 'position';
|
||
} else if (event.key === qua_pos_1_8_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/8';
|
||
quantType = 'position';
|
||
} else if (event.key === qua_pos_1_16_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/16';
|
||
quantType = 'position';
|
||
}
|
||
// Check quantize length hotkeys
|
||
else if (event.key === qua_len_1_4_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/4';
|
||
quantType = 'length';
|
||
} else if (event.key === qua_len_1_8_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/8';
|
||
quantType = 'length';
|
||
} else if (event.key === qua_len_1_16_key) {
|
||
actionType = 'quantize';
|
||
actionValue = '1/16';
|
||
quantType = 'length';
|
||
}
|
||
|
||
if (actionType && actionValue) {
|
||
// Prevent default behavior
|
||
event.preventDefault();
|
||
|
||
if (actionType === 'snap') {
|
||
// Validate the snap value exists in snap options
|
||
if (KGPianoRollState.SNAP_OPTIONS.includes(actionValue)) {
|
||
// Change snapping value
|
||
handleSnappingSelect(actionValue);
|
||
|
||
// Trigger blink effect for visual feedback
|
||
setBlinkButton('snapping');
|
||
setTimeout(() => setBlinkButton(null), 200);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Snap hotkey triggered: ${event.key} → ${actionValue}`);
|
||
}
|
||
}
|
||
} else if (actionType === 'quantize' && quantType) {
|
||
// Validate the quantValue exists in the appropriate options
|
||
const validOptions = quantType === 'length' ? KGPianoRollState.QUANT_LEN_OPTIONS : KGPianoRollState.QUANT_POS_OPTIONS;
|
||
|
||
if (validOptions.includes(actionValue)) {
|
||
// Apply quantization
|
||
handleQuantSelect(quantType, actionValue);
|
||
|
||
// Trigger blink effect for visual feedback
|
||
const buttonName = quantType === 'length' ? 'quant-length' : 'quant-position';
|
||
setBlinkButton(buttonName);
|
||
setTimeout(() => setBlinkButton(null), 200);
|
||
|
||
if (DEBUG_MODE.PIANO_ROLL) {
|
||
console.log(`Quantize ${quantType} hotkey triggered: ${event.key} → ${actionValue}`);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
};
|
||
|
||
// Add event listener
|
||
window.addEventListener('keydown', handlePianoRollKeyDown);
|
||
|
||
// Remove event listener on cleanup
|
||
return () => {
|
||
window.removeEventListener('keydown', handlePianoRollKeyDown);
|
||
};
|
||
}, [handleQuantSelect, handleSnappingSelect]);
|
||
|
||
// Get the title for the piano roll based on the active region
|
||
const getPianoRollTitle = () => {
|
||
if (isSpectrogram) return audioRegion ? `SPECTROGRAM — ${audioRegion.getName()}` : 'SPECTROGRAM';
|
||
if (isHybrid) {
|
||
const midiName = activeRegion?.getName() ?? 'MIDI';
|
||
const audioName = audioRegion?.getName() ?? 'Audio';
|
||
return `${midiName} + ${audioName}`;
|
||
}
|
||
if (!activeRegion) return "EDIT NOTE CLIP";
|
||
|
||
// Calculate the bar and beat position of the region
|
||
const startBeat = activeRegion.getStartFromBeat();
|
||
const { bar, beatInBar } = beatsToBar(startBeat, timeSignature);
|
||
|
||
// Format as 1-indexed bar and beat (bar + 1, beatInBar + 1)
|
||
const barNumber = bar + 1;
|
||
const beatNumber = beatInBar + 1;
|
||
|
||
return `${activeRegion.getName()} (at ${barNumber}:${beatNumber})`;
|
||
};
|
||
|
||
return (
|
||
<div
|
||
className="piano-roll-panel"
|
||
style={{
|
||
position: 'fixed',
|
||
left: `${position.x}px`,
|
||
top: `${position.y}px`,
|
||
width: `${size.width}px`,
|
||
height: `${size.height}px`,
|
||
zIndex: 2000
|
||
}}
|
||
ref={pianoRollRef}
|
||
>
|
||
<PianoRollHeader
|
||
onClose={onClose}
|
||
title={getPianoRollTitle()}
|
||
onTitleClick={handleTitleClick}
|
||
onMouseDown={(e) => handleMouseDown(e, 'drag')}
|
||
/>
|
||
|
||
<PianoRollToolbar
|
||
activeTool={activeTool}
|
||
onToolSelect={handleToolSelect}
|
||
quantPosition={quantPosition}
|
||
quantLength={quantLength}
|
||
onQuantSelect={handleQuantSelect}
|
||
snapping={snapping}
|
||
onSnappingSelect={handleSnappingSelect}
|
||
selectedMode={selectedMode}
|
||
onModeChange={handleModeSelect}
|
||
chordGuide={chordGuide}
|
||
onChordGuideChange={handleChordGuideSelect}
|
||
blinkButton={blinkButton}
|
||
mode={mode}
|
||
thresholdDb={spectrogramThresholdDb}
|
||
onThresholdChange={setSpectrogramThresholdDb}
|
||
power={spectrogramPower}
|
||
onPowerChange={setSpectrogramPower}
|
||
zoom={pianoRollZoom}
|
||
onZoomChange={handleZoomChange}
|
||
showAutomationControls={!isSpectrogram}
|
||
automationEnabled={automationEnabled}
|
||
automationType={automationType}
|
||
onAutomationToggle={handleAutomationToggle}
|
||
onAutomationTypeChange={handleAutomationTypeChange}
|
||
/>
|
||
|
||
<NoteAttributeBar selectedNotes={selectedNotes} isSpectrogram={isSpectrogram} activeRegion={activeRegion} />
|
||
|
||
<PianoRollContent
|
||
contentRef={pianoRollContentRef}
|
||
noteScrollRef={pianoRollNoteScrollRef}
|
||
pianoGridRef={pianoGridRef}
|
||
maxBars={maxBars}
|
||
timeSignature={timeSignature}
|
||
activeRegion={activeRegion}
|
||
updateTrack={updateTrack}
|
||
tracks={tracks}
|
||
onSetNoteUpdateTrigger={handleSetNoteUpdateTrigger}
|
||
onSetDeleteNotesTrigger={handleSetDeleteNotesTrigger}
|
||
selectedMode={selectedMode}
|
||
keySignature={keySignature}
|
||
chordGuide={chordGuide}
|
||
mode={mode}
|
||
audioRegion={audioRegion}
|
||
trackId={trackId}
|
||
projectName={projectName}
|
||
bpm={bpm}
|
||
spectrogramThresholdDb={spectrogramThresholdDb}
|
||
spectrogramPower={spectrogramPower}
|
||
spectrogramHeightResolution={spectrogramHeightResolution}
|
||
pianoRollZoom={pianoRollZoom}
|
||
automationEnabled={automationEnabled}
|
||
automationType={automationType}
|
||
automationRedrawVersion={automationRedrawVersion}
|
||
/>
|
||
|
||
<div
|
||
className="resize-handle"
|
||
onMouseDown={(e) => handleMouseDown(e, 'resize')}
|
||
>
|
||
<FaGripLines />
|
||
</div>
|
||
</div>
|
||
);
|
||
};
|
||
|
||
export default PianoRoll;
|