From 8fc1c2641b22652781b522416e9c4c1692343abc Mon Sep 17 00:00:00 2001 From: 3dtours Date: Mon, 3 Aug 2026 17:22:19 +0700 Subject: [PATCH] =?UTF-8?q?FIX:=20ch=E1=BB=89nh=20s=E1=BB=ADa=20mute=20v?= =?UTF-8?q?=C3=A0=20unmute=20realtime,=20s=E1=BB=ADa=20l=E1=BB=97i=20save?= =?UTF-8?q?=20d=E1=BB=B1=20=C3=A1n=20v=C3=A0=20ch=C3=A8n=20chung=20c=C3=A1?= =?UTF-8?q?c=20items=20v=C3=A0o=20m=E1=BB=99t=20track?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- app/api/v1/projects.py | 15 +- app/static/js/app.jsx | 286 ++++++++++++++++++++++++------- app/static/js/app.precompiled.js | 96 ++++++++--- app/templates/index.html | 2 +- tests/test_project_upgrade.py | 68 ++++++++ wiki.md | 42 +++++ 6 files changed, 418 insertions(+), 91 deletions(-) create mode 100644 tests/test_project_upgrade.py diff --git a/app/api/v1/projects.py b/app/api/v1/projects.py index dbae0bf..829734b 100644 --- a/app/api/v1/projects.py +++ b/app/api/v1/projects.py @@ -18,6 +18,11 @@ def upgrade_project_json_if_needed(project_data: dict) -> dict: return project_data tracks = project_data.get("tracks", []) + # Legacy format stores item start times in SECONDS; convert using the real + # seconds-per-bar (old code hardcoded /4.0 which shifted every item's + # position for any tempo other than the one where 1 bar = 4s). + bpm_val = float(project_data.get("bpm", 120.0) or 120.0) + seconds_per_bar = (60.0 / bpm_val) * 4 upgraded_tracks = [] for t in tracks: track_id = str(t.get("id", "")) @@ -33,8 +38,8 @@ def upgrade_project_json_if_needed(project_data: dict) -> dict: "id": c.get("id"), "name": c.get("name", "Audio Clip"), "type": "AUDIO_ITEM", - "start_bar": c.get("startTime", 0.0) / 4.0, - "duration_bars": 4.0, + "start_bar": round(c.get("startTime", 0.0) / seconds_per_bar, 6), + "duration_bars": round((c.get("duration", 4.0) if c.get("duration") else 4.0) / seconds_per_bar, 6), "clip_start_offset_bars": 0.0, "source_data": { "audio_file_url": f"/static/audio/uploads/{t.get('serverFileId')}" if t.get("serverFileId") else "", @@ -49,11 +54,11 @@ def upgrade_project_json_if_needed(project_data: dict) -> dict: "id": m.get("id"), "name": m.get("name", "MIDI Item"), "type": "MIDI_ITEM", - "start_bar": m.get("startTime", 0.0) / 4.0, - "duration_bars": m.get("duration", 4.0), + "start_bar": round(m.get("startTime", 0.0) / seconds_per_bar, 6), + "duration_bars": round((m.get("duration", 4.0) or 4.0) / seconds_per_bar, 6), "clip_start_offset_bars": 0.0, "source_data": { - "total_buffer_bars": m.get("duration", 8.0), + "total_buffer_bars": round((m.get("duration", 8.0) or 8.0) / seconds_per_bar, 6), "notes": m.get("notes", []) } }) diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index 1545e70..d04600c 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -94,6 +94,26 @@ function setMasteringRoute(route, bypass) { route.dryGain.gain.setTargetAtTime(on ? 1 : 0, t, 0.02); } +// Realtime mute/solo: audible linear gain for a track given the full track list +// of the CURRENT context. Solo semantics: if ANY track is soloed, only soloed +// tracks are audible; muted tracks are always silent. +function computeTrackAudibleGain(trackList, track) { + if (!track) return 0; + if (track.muted) return 0; + const hasSolo = (trackList || []).some(t => t.solo); + if (hasSolo && !track.solo) return 0; + const volDb = track.volumeDb ?? 0; + return volDb <= -50 ? 0 : Math.pow(10, volDb / 20); +} + +// Apply a gain to a track node's gain with a short crossfade (click-free). +function setTrackNodeGain(node, gainLinear) { + if (!node || !node.gainNode || !audioCtx) return; + const t = audioCtx.currentTime; + node.gainNode.gain.cancelScheduledValues(t); + node.gainNode.gain.setTargetAtTime(gainLinear, t, 0.02); +} + function makeDistortionCurve(k) { const n_samples = 44100; const curve = new Float32Array(n_samples); @@ -811,14 +831,14 @@ const MixerStrip = ({ track, index, onUpdateTrack, trackVuRefs }) => { React.createElement("div", { className: "flex items-center justify-center gap-1 py-0.5 shrink-0" }, React.createElement("button", { - onClick: e => { e.stopPropagation(); if (onUpdateTrack) onUpdateTrack(track.id, { muted: !track.muted }); }, - title: "Mute", - className: "w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition " + (isMuted ? 'bg-orange-500 text-black border-orange-400' : 'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100') - }, "M"), React.createElement("button", { - onClick: e => { e.stopPropagation(); if (onUpdateTrack) onUpdateTrack(track.id, { solo: !track.solo }); }, - title: "Solo", - className: "w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition " + (isSoloed ? 'bg-yellow-400 text-black border-yellow-300' : 'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100') - }, "S"), React.createElement("button", { + onClick: e => { e.stopPropagation(); const next = !track.muted; if (onUpdateTrack) onUpdateTrack(track.id, { muted: next }); if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { muted: next }); }, + title: "Mute", + className: "w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition " + (isMuted ? 'bg-orange-500 text-black border-orange-400' : 'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100') + }, "M"), React.createElement("button", { + onClick: e => { e.stopPropagation(); const next = !track.solo; if (onUpdateTrack) onUpdateTrack(track.id, { solo: next }); if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { solo: next }); }, + title: "Solo", + className: "w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition " + (isSoloed ? 'bg-yellow-400 text-black border-yellow-300' : 'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100') + }, "S"), React.createElement("button", { onClick: e => { e.stopPropagation(); const next = !track.masteringBypass; @@ -1179,6 +1199,7 @@ const TrackStripConsole = ({ track, index, onUpdateTrack, trackVuRefs }) => { var trackColor = track.color || '#06b6d4'; var isMuted = track.muted; var isSoloed = track.solo; + var isBypassed = track.masteringBypass; var isArmed = track.isArmed; var trackName = track.name || 'Track ' + (index + 1); var isMicActive = track.inputSource?.deviceType === 'MICROPHONE'; @@ -1305,18 +1326,25 @@ const TrackStripConsole = ({ track, index, onUpdateTrack, trackVuRefs }) => { /* Right Button Stack */ React.createElement("div", { className: "w-7 flex flex-col justify-between text-[8px] font-bold shrink-0" }, React.createElement("button", { - onClick: function(e) { e.stopPropagation(); if (onUpdateTrack) onUpdateTrack(track.id, { muted: !track.muted }); }, + onClick: function(e) { e.stopPropagation(); var next = !track.muted; if (onUpdateTrack) onUpdateTrack(track.id, { muted: next }); if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { muted: next }); }, className: "btn-daw h-[24px] rounded text-amber-500 font-extrabold flex items-center justify-center" + (isMuted ? " btn-mute-active" : ""), title: "Mute Track" }, "M"), React.createElement("button", { - onClick: function(e) { e.stopPropagation(); if (onUpdateTrack) onUpdateTrack(track.id, { solo: !track.solo }); }, + onClick: function(e) { e.stopPropagation(); var next = !track.solo; if (onUpdateTrack) onUpdateTrack(track.id, { solo: next }); if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(track.id, { solo: next }); }, className: "btn-daw h-[24px] rounded text-yellow-400 font-extrabold flex items-center justify-center" + (isSoloed ? " btn-solo-active" : ""), title: "Solo Track" }, "S"), React.createElement("button", { - className: "btn-daw h-[24px] rounded text-emerald-400 flex items-center justify-center", - title: "Routing Matrix" + onClick: function(e) { + e.stopPropagation(); + var next = !track.masteringBypass; + if (onUpdateTrack) onUpdateTrack(track.id, { masteringBypass: next }); + // Live re-route: bypassed channel skips FX + mastering chain at Main out. + if (window.__setTrackMasteringBypass) window.__setTrackMasteringBypass(track.id, next); + }, + className: "btn-daw h-[24px] rounded text-sky-400 flex items-center justify-center" + (isBypassed ? " btn-bypass-active bg-sky-500/20" : ""), + title: "Bypass: track KHÔNG qua FX + mastering ở Main out" }, React.createElement("i", { className: "fa-solid fa-bars-staggered text-[8px]" })), React.createElement("button", { className: "btn-daw h-[24px] rounded text-slate-300 font-semibold flex items-center justify-center text-[7px]", @@ -1399,6 +1427,7 @@ const WaveformLane = ({ onDeselectItem, onAddToSelection, onSetPendingDrag, + onSetPendingDragMove, onSetSelectionMode, onSetSelectionStart, onSetSelectionEnd, @@ -2110,7 +2139,10 @@ const WaveformLane = ({ } if (onSetPendingDrag) onSetPendingDrag(track.id, hitItem.type, hitItem.id, time - hitItem.start, e.nativeEvent || e, preToggle); } else { - // Click: select this item (clear others if not already selected), then start drag + // Click: select this item (clear others if not already selected). + // Drag only starts after a small movement threshold (5px) — click alone + // just selects; this unifies section/MIDI/clip behavior and stops + // accidental moves from mouse jitter. if (!selectedItemIds || !selectedItemIds.has(hitItem.id)) { if (onClearSelection) onClearSelection(); if (onAddToSelection) onAddToSelection(hitItem.id); @@ -2119,7 +2151,7 @@ const WaveformLane = ({ var dragIds = (selectedItemIds && selectedItemIds.has(hitItem.id) && selectedItemIds.size > 1) ? selectedItemIds : new Set([hitItem.id]); - if (onSectionItemDragStart) onSectionItemDragStart(track.id, hitItem.type, hitItem.id, time - hitItem.start, false, dragIds); + if (onSetPendingDragMove) onSetPendingDragMove(track.id, hitItem.type, hitItem.id, time - hitItem.start, e.nativeEvent || e, dragIds); } return; } @@ -2171,24 +2203,49 @@ const WaveformLane = ({ return; } - // Check for click drag clip (Alt to move, Ctrl to duplicate) - if (clickedClip && (e.altKey || e.ctrlKey)) { + // Check for click drag clip (plain click = move, Alt = sweep-select duration, Ctrl = duplicate) + if (clickedClip && e.ctrlKey) { e.preventDefault(); e.stopPropagation(); - if (e.ctrlKey) { - // Ctrl+Click: toggle selection, store pending drag w/ pre-toggle snapshot - var clipCanonicalId = clickedClip.id === 'default' ? 'default_' + track.id : clickedClip.id; - var clipPreToggleSnapshot = selectedItemIds ? new Set(selectedItemIds) : new Set(); - if (selectedItemIds && selectedItemIds.has(clipCanonicalId)) { - if (onDeselectItem) onDeselectItem(clipCanonicalId); - } else if (onAddToSelection) { - onAddToSelection(clipCanonicalId); - } - if (onSetPendingDrag) onSetPendingDrag(track.id, 'clip', clipCanonicalId, time - clickedClip.startTime, e.nativeEvent || e, clipPreToggleSnapshot); - } else { - // Alt+Click: move immediately - if (onClipDragStart) onClipDragStart(track.id, clickedClip.id, time - clickedClip.startTime, false); + // Ctrl+Click: toggle selection, store pending drag w/ pre-toggle snapshot + var clipCanonicalId = clickedClip.id === 'default' ? 'default_' + track.id : clickedClip.id; + var clipPreToggleSnapshot = selectedItemIds ? new Set(selectedItemIds) : new Set(); + if (selectedItemIds && selectedItemIds.has(clipCanonicalId)) { + if (onDeselectItem) onDeselectItem(clipCanonicalId); + } else if (onAddToSelection) { + onAddToSelection(clipCanonicalId); } + if (onSetPendingDrag) onSetPendingDrag(track.id, 'clip', clipCanonicalId, time - clickedClip.startTime, e.nativeEvent || e, clipPreToggleSnapshot); + return; + } + + // Alt+Click on a clip: sweep-select duration (the OLD plain click+drag + // behavior moved here). Plain click+drag now MOVES the clip like + // section/MIDI items. + if (clickedClip && e.altKey) { + e.preventDefault(); + e.stopPropagation(); + onPlayheadSet(time); + if (onTrackLaneMouseDown) { + onTrackLaneMouseDown(track.id, time, e); + } + return; + } + + // Plain click on a clip: select it; drag after a small movement + // threshold moves it (unified with section/MIDI items). + if (clickedClip) { + e.preventDefault(); + e.stopPropagation(); + var clipCanonicalId2 = clickedClip.id === 'default' ? 'default_' + track.id : clickedClip.id; + if (!selectedItemIds || !selectedItemIds.has(clipCanonicalId2)) { + if (onClearSelection) onClearSelection(); + if (onAddToSelection) onAddToSelection(clipCanonicalId2); + } + var clipDragIds = (selectedItemIds && selectedItemIds.has(clipCanonicalId2) && selectedItemIds.size > 1) + ? selectedItemIds + : new Set([clipCanonicalId2]); + if (onSetPendingDragMove) onSetPendingDragMove(track.id, 'clip', clipCanonicalId2, time - clickedClip.startTime, e.nativeEvent || e, clipDragIds); return; } @@ -7972,7 +8029,10 @@ const serializeTracksList = (tracksList, secondsPerBar) => { else if (t.midiItems && t.midiItems.length > 0) trackType = "MIDI"; const items = []; - if (trackType === "AUDIO" && t.clips) { + // Serialize EVERY item type present on the track (a track can hold audio + // clips + MIDI items + section items at once). The old if/else-if chain + // dropped all but one type per track — silent data loss on save. + if (t.clips && t.clips.length > 0) { t.clips.forEach(c => { const durationSec = c.buffer ? c.buffer.duration : 4.0; const clipFileId = c.serverFileId || t.serverFileId; @@ -7992,7 +8052,8 @@ const serializeTracksList = (tracksList, secondsPerBar) => { } }); }); - } else if (trackType === "MIDI" && t.midiItems) { + } + if (t.midiItems && t.midiItems.length > 0) { t.midiItems.forEach(m => { items.push({ id: m.id, @@ -8014,7 +8075,8 @@ const serializeTracksList = (tracksList, secondsPerBar) => { } }); }); - } else if (trackType === "SECTION" && t.sections) { + } + if (t.sections && t.sections.length > 0) { t.sections.forEach(s => { items.push({ id: s.id, @@ -11783,11 +11845,55 @@ const App = () => { if (node && node.route) setMasteringRoute(node.route, !!bypass); }; - // Keep the routing map in sync with the tracks state (loads, undo, AI ops…). - useEffect(() => { - (tracks || []).forEach(t => { trackMasteringBypassMap[t.id] = !!t.masteringBypass; }); - (sessionTabs || []).forEach(st => (st.tracks || []).forEach(t => { trackMasteringBypassMap[t.id] = !!t.masteringBypass; })); - }, [tracks, sessionTabs]); + // Realtime mute/solo: applies the (patched) mute/solo state to every active + // track node in the current context. Called from the M/S buttons of the + // mixer strips + track strips so toggling muting/soloing affects the items + // already playing on that track immediately (20ms crossfade, no click). + const applyAllTrackMuteSolo = (trackId, patch) => { + const list = (activeTracksRef.current && activeTracksRef.current.length) ? activeTracksRef.current : tracks; + const effective = (trackId && patch) ? list.map(t => t.id === trackId ? { ...t, ...patch } : t) : list; + let becameAudible = false; + effective.forEach(t => { + const audible = computeTrackAudibleGain(effective, t) > 0; + const wasAudible = trackAudibleRef.current[t.id] !== false; + const node = activeTrackNodesRef.current[t.id]; + if (node) setTrackNodeGain(node, computeTrackAudibleGain(effective, t)); + // MIDI items: FluidSynth mixes ALL channels into ONE shared gain node, so + // the per-track gain cannot silence them. Every MIDI track owns a + // dedicated channel (ensureTrackMidiChannel) → mute/solo via CC7 (channel + // volume) applies realtime, even to notes already sounding. + if ((t.midiItems && t.midiItems.length > 0) || t.type === 'MIDI') { + try { + if (window.SonicSF && typeof window.SonicSF.controllerChange === 'function') { + const ch = ensureTrackMidiChannel(t, effective); + window.SonicSF.controllerChange(ch, 7, audible ? 100 : 0); + } + } catch (e) {} + } + if (audible && !wasAudible) becameAudible = true; + trackAudibleRef.current[t.id] = audible; + }); + // A track that just became audible may have had its audio sources dropped + // by a loop restart while it was inaudible (startTrackPlayback skips + // muted/soloed tracks, so unmute alone cannot resurrect them). Re-schedule + // from the current playhead — the same approach toggleTrackSoloEvaluate + // already uses for solo. + if (becameAudible && isPlaying && recordingStateRef.current !== 'RECORDING' && activeTracksRef.current && activeTracksRef.current.length) { + try { + stopAllPlayback(); + const ctx = getAudioContext(); + const resumeAt = currentTimeRef.current || 0; + startOffsetTimeRef.current = resumeAt; + startAudioTimeRef.current = ctx.currentTime; + startBufferOffsetRef.current = resumeAt; + setIsPlaying(true); + startTrackPlayback(resumeAt); + } catch (e) { + console.warn('mute/solo resume error:', e); + } + } + }; + window.__applyTrackMuteSolo = applyAllTrackMuteSolo; window.__toggleMediaExplorerRef = function() { setShowMediaExplorer(function(p) { const next = !p; @@ -12274,6 +12380,42 @@ const App = () => { activeTracksRef.current = activeTracks; const sessionTabsRef = useRef(sessionTabs); sessionTabsRef.current = sessionTabs; + + // Track mute/solo/volume signature: only re-apply gains when something that + // affects audibility actually changed (loads, undo, AI ops, section tabs). + const trackMuteSoloSigRef = useRef({}); + // Last-known audibility per track id (used to detect inaudible→audible + // transitions that need a playback re-schedule). + const trackAudibleRef = useRef({}); + + // Keep the mastering-bypass routing map + realtime mute/solo in sync with the + // tracks state (loads, undo, AI ops…). Placed AFTER the tracks/subTabs/ + // sessionTabs declarations (TDZ-safe). + useEffect(() => { + const all = [...(tracks || []), ...(sessionTabs || []).reduce((acc, s) => acc.concat(s.tracks || []), [])]; + all.forEach(t => { trackMasteringBypassMap[t.id] = !!t.masteringBypass; }); + const list = (activeTracksRef.current && activeTracksRef.current.length) ? activeTracksRef.current : all; + list.forEach(t => { + const sig = (t.muted ? '1' : '0') + (t.solo ? '1' : '0') + ':' + (t.volumeDb ?? 0); + if (trackMuteSoloSigRef.current[t.id] === sig) return; + trackMuteSoloSigRef.current[t.id] = sig; + const audible = computeTrackAudibleGain(list, t) > 0; + const node = activeTrackNodesRef.current[t.id]; + if (node) setTrackNodeGain(node, computeTrackAudibleGain(list, t)); + // MIDI tracks: mirror the gain decision onto the channel CC7 volume so + // FluidSynth-rendered notes respect mute/solo too. + if ((t.midiItems && t.midiItems.length > 0) || t.type === 'MIDI') { + try { + if (window.SonicSF && typeof window.SonicSF.controllerChange === 'function') { + const ch = ensureTrackMidiChannel(t, list); + window.SonicSF.controllerChange(ch, 7, audible ? 100 : 0); + } + } catch (e) {} + } + trackAudibleRef.current[t.id] = audible; + }); + }, [tracks, sessionTabs]); + const [selectionCleared, setSelectionCleared] = useState(false); // LOOP_EDITOR_2.md §4.2 const midiVuActivityRef = useRef({}); @@ -12398,23 +12540,23 @@ const App = () => { })); if (hasLoadedAny) { setTracks(prev => { - const merged = [...updatedTracks]; - (prev || []).forEach((pt, i) => { - if (!merged[i]) merged[i] = pt; - else { - merged[i] = { ...merged[i] }; - merged[i].clips = (pt.clips || []).map((pc, j) => { - if (merged[i].clips && merged[i].clips[j] && (merged[i].clips[j].buffer || pc.buffer)) { - return { ...pc, buffer: pc.buffer || merged[i].clips[j].buffer }; - } - if ((pc.buffer || (merged[i].clips && merged[i].clips[j] && merged[i].clips[j].buffer))) { - return pc; - } - return merged[i].clips && merged[i].clips[j] ? merged[i].clips[j] : pc; - }); - } + // Merge by TRACK ID (not array index): if the state changed between the + // fetch start and now (e.g. another project opened), index-based merging + // would scramble tracks and drop items into the wrong track. updatedTracks + // is authoritative; patch clip buffers from prev by matching clip ids. + const prevById = new Map((prev || []).map(pt => [pt.id, pt])); + return updatedTracks.map(ut => { + const pt = prevById.get(ut.id); + if (!pt) return ut; + const ptClips = pt.clips || []; + const utClips = ut.clips || []; + const mergedClips = ptClips.map(pc => { + const uc = utClips.find(c => c.id === pc.id); + if (uc) return { ...pc, buffer: pc.buffer || uc.buffer }; + return pc; + }); + return { ...ut, clips: mergedClips }; }); - return merged; }); setSessionTabs(prev => prev.map(st => ({ ...st, @@ -15353,6 +15495,8 @@ const App = () => { pannerNode, source }; + // Realtime mute/solo for the newly created playback chain. + if (window.__applyTrackMuteSolo) window.__applyTrackMuteSolo(st.trackId, null); startOffsetTimeRef.current = offsetWallTime; startBufferOffsetRef.current = offsetBuffer; startAudioTimeRef.current = context.currentTime; @@ -15627,11 +15771,12 @@ const App = () => { const analyserNode = context.createAnalyser(); analyserNode.fftSize = 256; pannerNode.connect(analyserNode); - // Dual mastering route: routeGain -> mastering chain (normal), dryGain -> - // dry bus (bypass). Live-toggled via setMasteringRoute(node.route, ...). + // Dual mastering route: routeGain -> mastering chain (normal, post-FX), + // dryGain -> dry bus (bypass, tapped PRE-FX so the bypassed channel skips + // BOTH the track FX chain and the mastering chain at Main out). const route = createMasteringRoute(context, track, masterBus); analyserNode.connect(route.routeGain); - analyserNode.connect(route.dryGain); + gainNode.connect(route.dryGain); let fxStopFn; if (track.fxType === 'chorus') { @@ -15648,6 +15793,10 @@ const App = () => { gainNode.connect(pannerNode); } node = { gainNode, pannerNode, fxStopFn, analyserNode, route }; + // Realtime mute/solo: apply the track's current mute/solo/volume state to + // the fresh node so items of muted/soloed tracks start correctly. + const trackList = (activeTracksRef.current && activeTracksRef.current.length) ? activeTracksRef.current : [track]; + setTrackNodeGain(node, computeTrackAudibleGain(trackList, track)); activeTrackNodesRef.current[track.id] = node; } return node.gainNode; @@ -16912,6 +17061,8 @@ const App = () => { isDuplicate: false }); }; + const handleClipDragStartRef = useRef(null); + handleClipDragStartRef.current = handleClipDragStart; const stretchedClipRef = useRef(null); stretchedClipRef.current = stretchedClip; const handleClipStretchStart = (trackId, clipId, clickTime) => { @@ -17222,7 +17373,14 @@ const App = () => { } else { ids.add(itemId); } - pendingDragRef.current = { trackId, itemType, itemId, clickOffset, startX: e.clientX, startY: e.clientY, selectedIds: ids }; + pendingDragRef.current = { trackId, itemType, itemId, clickOffset, startX: e.clientX, startY: e.clientY, selectedIds: ids, duplicate: true }; + }; + + // Plain click on an item: select only; the real drag (move) starts after a + // 5px movement threshold. Unifies section/MIDI/clip behavior and prevents + // accidental moves from mouse jitter. + const handleSetPendingDragMove = (trackId, itemType, itemId, clickOffset, e, dragIds) => { + pendingDragRef.current = { trackId, itemType, itemId, clickOffset, startX: e.clientX, startY: e.clientY, selectedIds: dragIds, duplicate: false }; }; // ── Sweep Select ── @@ -17321,8 +17479,8 @@ const App = () => { } } else { var curTrk = activeTracksRef.current ? activeTracksRef.current.find(t => t.id === trackId) : null; - var its = itemType === 'section' ? (curTrk?.sections || []) : (curTrk?.midiItems || []); - var it = its.find(function(x) { return x.id === itemId; }); + var its = itemType === 'section' ? (curTrk?.sections || []) : (itemType === 'clip' ? (curTrk?.clips || []) : (curTrk?.midiItems || [])); + var it = its.find(function(x) { return x.id === itemId || (itemType === 'clip' && itemId === 'default_' + curTrk?.id && x.id === 'default'); }); var origPos = it ? (itemType === 'section' ? it.start : it.startTime) : 0; var beforeSnap = captureAllTracksSnapshot(); setDraggedSectionItem({ trackId, itemType, itemId, clickOffset, multiIds, originalPositions: { [itemId]: origPos }, beforeSnap }); @@ -17550,7 +17708,7 @@ const App = () => { }; }, [zoom, activeTab, sessionTabs]); - // ── Pending drag: Ctrl+click toggles selection; mousemove > threshold starts copy-drag ── + // ── Pending drag: click selects; mousemove > 5px threshold starts the real drag ── useEffect(() => { const handleMouseMove = e => { var pd = pendingDragRef.current; @@ -17559,7 +17717,12 @@ const App = () => { if (Math.abs(dx) > 5) { var pdSnap = pendingDragRef.current; pendingDragRef.current = null; - if (handleSectionItemDragStartRef.current) handleSectionItemDragStartRef.current(pdSnap.trackId, pdSnap.itemType, pdSnap.itemId, pdSnap.clickOffset, true, pdSnap.selectedIds); + if (pdSnap.itemType === 'clip' && !pdSnap.duplicate && (!pdSnap.selectedIds || pdSnap.selectedIds.size <= 1)) { + // Single clip move → clip drag machinery + if (handleClipDragStartRef.current) handleClipDragStartRef.current(pdSnap.trackId, pdSnap.itemId, pdSnap.clickOffset, false); + } else if (handleSectionItemDragStartRef.current) { + handleSectionItemDragStartRef.current(pdSnap.trackId, pdSnap.itemType, pdSnap.itemId, pdSnap.clickOffset, !!pdSnap.duplicate, pdSnap.selectedIds); + } } }; document.addEventListener('mousemove', handleMouseMove); @@ -22944,6 +23107,7 @@ const App = () => { onDeselectItem: handleDeselectItem, onAddToSelection: handleAddToSelection, onSetPendingDrag: handleSetPendingDrag, + onSetPendingDragMove: handleSetPendingDragMove, onContextMenu: handleContextMenu, onClipDragStart: handleClipDragStart, onClipStretchStart: handleClipStretchStart, diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js index 2b1e375..db76017 100644 --- a/app/static/js/app.precompiled.js +++ b/app/static/js/app.precompiled.js @@ -15,7 +15,11 @@ let serverFileIdMap={};let audioCtx;let masterBus=null;// { input, compressor, a const trackMasteringBypassMap={};// Build the dual routing for one track: routeGain -> mastering chain (normal), // dryGain -> dry bus (bypass). Gains start at complementary 1/0 values. function createMasteringRoute(ctx,track,bus){const bypass=!!(track&&track.masteringBypass);const routeGain=ctx.createGain();const dryGain=ctx.createGain();const masterDest=bus?bus.input:ctx.destination;const dryDest=bus&&bus.dryInput?bus.dryInput:ctx.destination;routeGain.gain.value=bypass?0:1;dryGain.gain.value=bypass?1:0;routeGain.connect(masterDest);dryGain.connect(dryDest);return{routeGain,dryGain};}// Live-toggle a route with a short crossfade (click-free). -function setMasteringRoute(route,bypass){if(!route||!audioCtx)return;const t=audioCtx.currentTime;const on=!!bypass;route.routeGain.gain.cancelScheduledValues(t);route.dryGain.gain.cancelScheduledValues(t);route.routeGain.gain.setTargetAtTime(on?0:1,t,0.02);route.dryGain.gain.setTargetAtTime(on?1:0,t,0.02);}function makeDistortionCurve(k){const n_samples=44100;const curve=new Float32Array(n_samples);for(let i=0;it.solo);if(hasSolo&&!track.solo)return 0;const volDb=track.volumeDb??0;return volDb<=-50?0:Math.pow(10,volDb/20);}// Apply a gain to a track node's gain with a short crossfade (click-free). +function setTrackNodeGain(node,gainLinear){if(!node||!node.gainNode||!audioCtx)return;const t=audioCtx.currentTime;node.gainNode.gain.cancelScheduledValues(t);node.gainNode.gain.setTargetAtTime(gainLinear,t,0.02);}function makeDistortionCurve(k){const n_samples=44100;const curve=new Float32Array(n_samples);for(let i=0;itrack.stop());}// Concatenate PCM Float32Array chunks into a single AudioBuffer const totalSamples=this.pcmChunks.reduce((sum,chunk)=>sum+chunk.length,0);if(totalSamples===0)return null;const audioBuffer=this.audioCtx.createBuffer(1,totalSamples,this.audioCtx.sampleRate);const channelData=audioBuffer.getChannelData(0);let offset=0;for(const chunk of this.pcmChunks){channelData.set(chunk,offset);offset+=chunk.length;}return audioBuffer;// Return compiled AudioBuffer for timeline insertion -}}const VolumeKnob=({value,onChange,min=0,max=1})=>{const[isDragging,setIsDragging]=useState(false);const startY=useRef(0);const startValue=useRef(0);const rotation=useMemo(()=>{const percent=(value-min)/(max-min);return-135+percent*270;},[value,min,max]);const handleMouseDown=e=>{setIsDragging(true);startY.current=e.clientY;startValue.current=value;document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleMouseMove=e=>{const deltaY=startY.current-e.clientY;const sensitivity=0.005;const newValue=Math.max(min,Math.min(max,startValue.current+deltaY*sensitivity));onChange(parseFloat(newValue.toFixed(2)));};const handleMouseUp=()=>{setIsDragging(false);document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};return/*#__PURE__*/React.createElement("div",{className:"knob-container cursor-ns-resize flex flex-col items-center",onMouseDown:handleMouseDown,title:`Volume: ${Math.round(value*100)}%`},/*#__PURE__*/React.createElement("svg",{className:"w-7 h-7",viewBox:"0 0 40 40"},/*#__PURE__*/React.createElement("circle",{cx:"20",cy:"20",r:"16",fill:"#141414",stroke:"#444",strokeWidth:"2"}),/*#__PURE__*/React.createElement("g",{transform:`rotate(${rotation} 20 20)`,className:"knob-dial"},/*#__PURE__*/React.createElement("line",{x1:"20",y1:"20",x2:"20",y2:"6",stroke:"#ef4444",strokeWidth:"3",strokeLinecap:"round"}))));};const MixerStrip=({track,index,onUpdateTrack,trackVuRefs})=>{const dbLabel=track.volumeDb==null||track.volumeDb<=-50?'-inf':(track.volumeDb>0?'+':'')+(track.volumeDb||0).toFixed(1)+'dB';const isMuted=track.muted;const isSoloed=track.solo;const isBypassed=track.masteringBypass;const vol=track.volumeDb!=null?track.volumeDb:0;var pct=Math.max(0,Math.min(100,(vol+60)/72*100));var vuColor=pct>=80?'#ef4444':pct>=50?'#eab308':'#22c55e';var trackColor=track.color||'#06b6d4';return React.createElement("div",{className:"flex flex-col items-stretch w-[84px] shrink-0 bg-[#2b2b2b] border border-black/70 overflow-hidden rounded-sm"},React.createElement("div",{className:"flex items-center justify-between px-1 py-0.5 bg-[#222] border-b border-black/60 shrink-0"},React.createElement("span",{className:"text-[9px] font-mono font-bold text-zinc-400"},index+1)),React.createElement("div",{className:"flex items-center justify-center gap-1 py-0.5 shrink-0"},React.createElement("button",{onClick:e=>{e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{muted:!track.muted});},title:"Mute",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isMuted?'bg-orange-500 text-black border-orange-400':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"M"),React.createElement("button",{onClick:e=>{e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{solo:!track.solo});},title:"Solo",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isSoloed?'bg-yellow-400 text-black border-yellow-300':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"S"),React.createElement("button",{onClick:e=>{e.stopPropagation();const next=!track.masteringBypass;if(onUpdateTrack)onUpdateTrack(track.id,{masteringBypass:next});// Live audio re-route (applies immediately to playing tracks). +}}const VolumeKnob=({value,onChange,min=0,max=1})=>{const[isDragging,setIsDragging]=useState(false);const startY=useRef(0);const startValue=useRef(0);const rotation=useMemo(()=>{const percent=(value-min)/(max-min);return-135+percent*270;},[value,min,max]);const handleMouseDown=e=>{setIsDragging(true);startY.current=e.clientY;startValue.current=value;document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleMouseMove=e=>{const deltaY=startY.current-e.clientY;const sensitivity=0.005;const newValue=Math.max(min,Math.min(max,startValue.current+deltaY*sensitivity));onChange(parseFloat(newValue.toFixed(2)));};const handleMouseUp=()=>{setIsDragging(false);document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};return/*#__PURE__*/React.createElement("div",{className:"knob-container cursor-ns-resize flex flex-col items-center",onMouseDown:handleMouseDown,title:`Volume: ${Math.round(value*100)}%`},/*#__PURE__*/React.createElement("svg",{className:"w-7 h-7",viewBox:"0 0 40 40"},/*#__PURE__*/React.createElement("circle",{cx:"20",cy:"20",r:"16",fill:"#141414",stroke:"#444",strokeWidth:"2"}),/*#__PURE__*/React.createElement("g",{transform:`rotate(${rotation} 20 20)`,className:"knob-dial"},/*#__PURE__*/React.createElement("line",{x1:"20",y1:"20",x2:"20",y2:"6",stroke:"#ef4444",strokeWidth:"3",strokeLinecap:"round"}))));};const MixerStrip=({track,index,onUpdateTrack,trackVuRefs})=>{const dbLabel=track.volumeDb==null||track.volumeDb<=-50?'-inf':(track.volumeDb>0?'+':'')+(track.volumeDb||0).toFixed(1)+'dB';const isMuted=track.muted;const isSoloed=track.solo;const isBypassed=track.masteringBypass;const vol=track.volumeDb!=null?track.volumeDb:0;var pct=Math.max(0,Math.min(100,(vol+60)/72*100));var vuColor=pct>=80?'#ef4444':pct>=50?'#eab308':'#22c55e';var trackColor=track.color||'#06b6d4';return React.createElement("div",{className:"flex flex-col items-stretch w-[84px] shrink-0 bg-[#2b2b2b] border border-black/70 overflow-hidden rounded-sm"},React.createElement("div",{className:"flex items-center justify-between px-1 py-0.5 bg-[#222] border-b border-black/60 shrink-0"},React.createElement("span",{className:"text-[9px] font-mono font-bold text-zinc-400"},index+1)),React.createElement("div",{className:"flex items-center justify-center gap-1 py-0.5 shrink-0"},React.createElement("button",{onClick:e=>{e.stopPropagation();const next=!track.muted;if(onUpdateTrack)onUpdateTrack(track.id,{muted:next});if(window.__applyTrackMuteSolo)window.__applyTrackMuteSolo(track.id,{muted:next});},title:"Mute",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isMuted?'bg-orange-500 text-black border-orange-400':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"M"),React.createElement("button",{onClick:e=>{e.stopPropagation();const next=!track.solo;if(onUpdateTrack)onUpdateTrack(track.id,{solo:next});if(window.__applyTrackMuteSolo)window.__applyTrackMuteSolo(track.id,{solo:next});},title:"Solo",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isSoloed?'bg-yellow-400 text-black border-yellow-300':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"S"),React.createElement("button",{onClick:e=>{e.stopPropagation();const next=!track.masteringBypass;if(onUpdateTrack)onUpdateTrack(track.id,{masteringBypass:next});// Live audio re-route (applies immediately to playing tracks). if(window.__setTrackMasteringBypass)window.__setTrackMasteringBypass(track.id,next);},title:"Bypass Mastering: bật thì track KHÔNG qua EQ/Imager/Maximizer ở Main out",className:"w-5 h-5 flex items-center justify-center rounded-sm text-[10px] font-mono font-bold border transition "+(isBypassed?'bg-sky-400 text-black border-sky-300':'bg-[#3a3a3a] text-zinc-400 border-black/60 hover:text-zinc-100')},"B")),React.createElement("div",{className:"flex-1 flex items-stretch justify-center gap-1 px-1 py-1 min-h-0"},React.createElement("div",{className:"w-[30px] rounded-sm relative overflow-hidden bg-[#0d0d0d] border border-black/60 flex flex-col items-center cursor-pointer",onMouseDown:function(e){e.preventDefault();var rect=e.currentTarget.getBoundingClientRect();var tid=track.id;function onMove(ev){var pct=1-Math.max(0,Math.min(1,(ev.clientY-rect.top)/rect.height));var val=Math.round((pct*72-60)*2)/2;if(onUpdateTrack)onUpdateTrack(tid,{volumeDb:val});}function onUp(){document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);}document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);onMove(e);}},/* 0dB reference line */React.createElement("div",{className:"absolute w-full h-px bg-amber-400/60 z-10 pointer-events-none",style:{bottom:'83.333%'}}),/* Background gradient */React.createElement("div",{className:"absolute inset-0",style:{background:'linear-gradient(to top, #22c55e, #eab308, #ef4444)'}}),/* Level overlay - dark at TOP, gradient visible at bottom */React.createElement("div",{className:"absolute top-0 w-full transition-all duration-75 bg-[#0d0d0d]",style:{height:100-pct+'%'}})),React.createElement("canvas",{ref:el=>{if(el)trackVuRefs.current[track.id+'_mixer']=el;else delete trackVuRefs.current[track.id+'_mixer'];},width:15,height:120,className:"w-[15px] rounded-sm bg-[#0d0d0d] border border-black/60 block h-full"})),React.createElement("div",{className:"text-center text-[9px] font-mono font-bold py-0.5 "+(vol>0?'text-orange-400':'text-zinc-300')+" bg-[#1c1c1c] border-t border-black/50 shrink-0"},dbLabel),React.createElement("div",{className:"text-[8px] font-mono truncate w-full text-center px-1 py-0.5 bg-[#222] border-t border-black/60 shrink-0",style:{color:trackColor}},track.name));};// ── Master Strip Console Component (from md/47_MASTER_STRIP_CONSOLE.md) ── const MasterStripConsole=({masterVolume,setMasterVolume,showMasteringModal,setShowMasteringModal,masteringSettings,setMasteringSettings,isPlaying})=>{const[isFxActive,setIsFxActive]=React.useState(true);const[isTestPlaying,setIsTestPlaying]=React.useState(false);const[isMuted,setIsMuted]=React.useState(false);const[isMono,setIsMono]=React.useState(false);const[pan,setPan]=React.useState(0.0);const[panText,setPanText]=React.useState('center');const vuCanvasRef=React.useRef(null);const animFrameRef=React.useRef(null);const rmsValRef=React.useRef(null);const peakLRef=React.useRef(null);const peakRRef=React.useRef(null);const panPointerRef=React.useRef(null);const isMasterActive=masteringSettings?masteringSettings.masterConnected:false;const panStartYRef=React.useRef(0);const startPanValRef=React.useRef(0);const ensureAudio=()=>{getAudioContext();};const handleFaderChange=val=>{setMasterVolume(val);ensureAudio();if(masterBus&&masterBus.output){const linear=val<=-50?0:Math.pow(10,val/20);masterBus.output.gain.setTargetAtTime(linear,audioCtx.currentTime,0.01);}};const handlePanPointerDown=e=>{isPanDraggingRef.current=true;panStartYRef.current=e.clientY;startPanValRef.current=pan;e.currentTarget.setPointerCapture(e.pointerId);};const handlePanPointerMove=e=>{if(!isPanDraggingRef.current)return;const deltaY=panStartYRef.current-e.clientY;let newPan=startPanValRef.current+deltaY/80;newPan=Math.min(1.0,Math.max(-1.0,newPan));setPan(newPan);const angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform=`rotate(${angle}deg)`;if(newPan===0)setPanText('center');else if(newPan<0)setPanText('L'+Math.abs(Math.round(newPan*100)));else setPanText('R'+Math.round(newPan*100));};const handlePanPointerUp=e=>{isPanDraggingRef.current=false;try{e.currentTarget.releasePointerCapture(e.pointerId);}catch(err){}};React.useEffect(()=>{const canvas=vuCanvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');function render(){animFrameRef.current=requestAnimationFrame(render);canvas.width=canvas.clientWidth;canvas.height=canvas.clientHeight;const w=canvas.width;const h=canvas.height;ctx.clearRect(0,0,w,h);let levelL=0;let levelR=0;if(masterBus&&masterBus.leftAnalyser&&masterBus.rightAnalyser){const leftData=new Uint8Array(256);const rightData=new Uint8Array(256);masterBus.leftAnalyser.getByteTimeDomainData(leftData);masterBus.rightAnalyser.getByteTimeDomainData(rightData);let peakL=0;let peakR=0;for(let i=0;ipeakL)peakL=v;}for(let i=0;ipeakR)peakR=v;}levelL=peakL;levelR=peakR;}const padding=4;const gap=4;const barW=Math.max(4,(w-padding*2-gap)/2);const grad=ctx.createLinearGradient(0,h,0,0);grad.addColorStop(0,'#10b981');grad.addColorStop(0.7,'#f59e0b');grad.addColorStop(0.95,'#ef4444');ctx.fillStyle=grad;ctx.fillRect(padding,h-levelL*h,barW,levelL*h);ctx.fillRect(padding+barW+gap,h-levelR*h,barW,levelR*h);const maxLevel=Math.max(levelL,levelR);if(rmsValRef.current){rmsValRef.current.innerText=maxLevel>0?(20*Math.log10(maxLevel)-3.2).toFixed(1)+' dB':'-inf';}if(peakLRef.current){peakLRef.current.innerText=levelL>0?(20*Math.log10(levelL)).toFixed(1)+'dB':'-inf';}if(peakRRef.current){peakRRef.current.innerText=levelR>0?(20*Math.log10(levelR)).toFixed(1)+'dB':'-inf';}}render();return()=>{if(animFrameRef.current)cancelAnimationFrame(animFrameRef.current);};},[masterVolume,isMuted,isMono]);return React.createElement("div",{className:"flex flex-col items-stretch w-[300px] shrink-0 strip-bg rounded-lg p-2 text-slate-300 select-none shadow-2xl relative overflow-hidden"},React.createElement("div",{className:"space-y-1.5 mb-2"},React.createElement("button",{onClick:()=>setShowMasteringModal(true),className:"w-full bg-slate-800 hover:bg-slate-700 text-[10px] font-semibold py-1 rounded border border-slate-700 text-slate-300 tracking-tight"},"MASTERING PANEL"),React.createElement("div",{className:"flex items-center justify-between bg-slate-950 border border-slate-800 rounded px-1.5 py-0.5 text-[10px] font-mono"},React.createElement("span",{className:"text-slate-400 truncate"},"Output 1 / Output 2"),React.createElement("i",{className:"fa-solid fa-circle-notch text-[9px] text-slate-500"}))),React.createElement("div",{className:"flex flex-col items-center my-0.5"},React.createElement("span",{className:"text-[9px] text-slate-400 font-mono"},panText||'center'),React.createElement("div",{className:"flex items-center gap-1"},React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-right"},pan<0?'L'+Math.abs(Math.round(pan*100)):''),React.createElement("div",{id:"panDial",className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-600 relative flex items-center justify-center shadow-inner cursor-pointer",title:"Kéo chuột để chỉnh Pan (Left/Right)",onPointerDown:handlePanPointerDown,onPointerMove:handlePanPointerMove,onPointerUp:handlePanPointerUp,onWheel:function(e){e.preventDefault();var step=e.deltaY>0?-0.05:0.05;var newPan=Math.max(-1,Math.min(1,pan+step));newPan=Math.round(newPan*100)/100;setPan(newPan);if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+newPan*120+'deg)';if(newPan===0)setPanText('center');else if(newPan<0)setPanText('L'+Math.abs(Math.round(newPan*100)));else setPanText('R'+Math.round(newPan*100));},onDoubleClick:function(){setPan(0);setPanText('center');if(panPointerRef.current)panPointerRef.current.style.transform='rotate(0deg)';}},React.createElement("div",{ref:panPointerRef,id:"panPointer",className:"w-0.5 h-2 bg-slate-200 rounded absolute top-0.5 transition-transform",style:{transform:'rotate('+pan*120+'deg)'}})),React.createElement("span",{className:"text-[8px] font-mono text-slate-500 w-5 text-left"},pan>0?'R'+Math.round(pan*100):''),React.createElement("span",{ref:React.createRef?null:null,className:"text-[10px] font-bold font-mono text-slate-200 ml-8",onDoubleClick:function(){handleFaderChange(0);}},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)))),React.createElement("div",{className:"flex gap-1 my-1 justify-between items-stretch min-h-0",style:{flex:'1 1 0%'}},React.createElement("div",{className:"flex-1 flex flex-col bg-black/80 p-1.5 rounded border border-slate-800/90 relative shadow-inner"},React.createElement("div",{className:"flex-1 flex items-stretch justify-between min-h-0"},React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pr-1 text-right border-r border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-end"},"-54")),React.createElement("div",{className:"flex-1 relative bg-slate-950 rounded overflow-hidden mx-1.5 border border-slate-900"},React.createElement("canvas",{ref:vuCanvasRef,className:"w-[100px] h-full block"}),React.createElement("div",{className:"absolute bottom-0.5 inset-x-0 flex justify-around text-[7px] font-mono text-slate-500 font-bold pointer-events-none bg-black/60 py-0.5"},React.createElement("span",null,"L"),React.createElement("span",null,"R"))),React.createElement("div",{className:"flex flex-col h-full text-[8px] font-mono text-slate-400 select-none pl-1 text-left border-l border-slate-800/60 overflow-hidden"},React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"+6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"0"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-6"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-12"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-18"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-24"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-30"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-36"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-42"),React.createElement("span",{className:"flex-1 flex items-center justify-start"},"-54"))),React.createElement("div",{className:"flex justify-between text-[9px] font-mono text-slate-400 mt-0.5"},React.createElement("span",{ref:peakLRef},"-inf"),React.createElement("span",{ref:peakRRef},"-inf"))),React.createElement("div",{className:"w-16 flex items-stretch gap-1 bg-slate-900/60 p-1 rounded border border-slate-800"},React.createElement("div",{className:"flex-1 flex flex-col items-center justify-center relative fader-track rounded",onWheel:function(e){e.preventDefault();var delta=e.deltaY>0?-0.5:0.5;handleFaderChange(Math.max(-60,Math.min(12,masterVolume+delta)));}},React.createElement("div",{className:"w-0.5 h-full bg-slate-700 absolute left-1/2 -translate-x-1/2 top-0"}),React.createElement("input",{id:"masterFader",type:"range",min:"-60",max:"12",step:"0.5",value:masterVolume,className:"fader-slider w-full z-10",orient:"vertical",onChange:function(e){handleFaderChange(parseFloat(e.target.value));},onDoubleClick:function(){handleFaderChange(0);}})),React.createElement("div",{className:"relative w-5 text-[7px] font-mono text-slate-500 select-none overflow-hidden"},React.createElement("span",{className:"absolute",style:{top:'0%',right:'2px'}},"+12"),React.createElement("span",{className:"absolute",style:{top:'8.3%',right:'2px'}},"+6"),React.createElement("span",{className:"absolute",style:{top:'16.7%',right:'2px'}},"0"),React.createElement("span",{className:"absolute",style:{top:'25%',right:'2px'}},"-6"),React.createElement("span",{className:"absolute",style:{top:'33.3%',right:'2px'}},"-12"),React.createElement("span",{className:"absolute",style:{top:'50%',right:'2px'}},"-24"),React.createElement("span",{className:"absolute",style:{top:'66.7%',right:'2px'}},"-36"),React.createElement("span",{className:"absolute",style:{top:'91.7%',right:'2px'}},"-54"))),React.createElement("div",{className:"w-8 flex flex-col justify-between text-[10px] font-bold"},React.createElement("button",{id:"monoBtn",onClick:function(){setIsMono(function(p){return!p;});},className:"btn-daw h-[18px] rounded flex flex-col items-center justify-center text-[8px]"+(isMono?" btn-mono-active":""),title:"Mono Switch"},React.createElement("i",{className:"fa-solid fa-circle-half-stroke text-[9px]"}),React.createElement("span",null,"MONO")),React.createElement("button",{id:"muteBtn",onClick:function(){setIsMuted(function(p){return!p;});},className:"btn-daw h-[18px] rounded text-amber-500 font-bold hover:text-amber-400"+(isMuted?" btn-mute-active":""),title:"Mute Master Output"},"M"),React.createElement("button",{id:"soloBtn",className:"btn-daw h-[18px] rounded text-yellow-400 font-bold hover:text-yellow-300",title:"Solo Master"},"S"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 hover:text-slate-200",title:"Route Matrix"},React.createElement("i",{className:"fa-solid fa-diagram-project text-[9px]"})),React.createElement("button",{id:"fxBtn",className:"btn-daw h-[18px] rounded font-extrabold text-[10px] transition-all",onClick:function(){setShowMasteringModal(true);},title:"Mở MASTERING PANEL để chỉnh sửa"},"FX"),React.createElement("button",{id:"powerBtn",className:"btn-daw h-[18px] rounded text-xs transition-all"+(isMasterActive?" btn-teal-active":""),onClick:function(){if(setMasteringSettings){setMasteringSettings(function(prev){return Object.assign({},prev,{masterConnected:!prev.masterConnected,isBypassed:false});});}},title:"Bật/Tắt MASTERING PANEL Bypass"},[React.createElement("i",{className:"fa-solid fa-power-off"+(isFxActive?" text-emerald-400":" text-slate-500"),key:"ico"}),React.createElement("span",{key:"lbl",className:"text-[7px] font-bold"+(isFxActive?" text-emerald-300":" text-slate-400")},"PWR")]),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[8px]",title:"Trim Envelope"},"TRIM"),React.createElement("button",{className:"btn-daw h-[18px] rounded text-slate-400 text-[9px]",title:"Session Info"},React.createElement("i",{className:"fa-solid fa-info"})))),React.createElement("div",{className:"text-center text-[10px] font-bold font-mono text-slate-200 shrink-0"},masterVolume<=-50?'-inf':(masterVolume>0?'+':'')+masterVolume.toFixed(1)),React.createElement("div",{className:"shrink-0 border-t border-slate-800 flex flex-col items-center"},React.createElement("div",{className:"flex justify-between w-full text-[9px] font-mono py-0.5"},React.createElement("span",{className:"text-emerald-400"},"RMS"),React.createElement("span",{ref:rmsValRef,className:"text-emerald-400 font-bold"},"-inf")),React.createElement("div",{className:"w-full text-center bg-black/80 py-0.5 rounded border border-slate-800 text-[10px] font-extrabold tracking-widest text-slate-100 uppercase"},React.createElement("span",null,"MAIN OUT"))));};// ── Track Strip Console Component (from md/48_TRACK_STRIP_COMPONENT.md) ── -const TrackStripConsole=({track,index,onUpdateTrack,trackVuRefs})=>{var vol=track.volumeDb!=null?track.volumeDb:0;var trackColor=track.color||'#06b6d4';var isMuted=track.muted;var isSoloed=track.solo;var isArmed=track.isArmed;var trackName=track.name||'Track '+(index+1);var isMicActive=track.inputSource?.deviceType==='MICROPHONE';const[pan,setPan]=React.useState(0.0);const[panLabel,setPanLabel]=React.useState('center');const[isPhaseInverted,setIsPhaseInverted]=React.useState(false);const[isFxActive,setIsFxActive]=React.useState(true);const panPointerRef=React.useRef(null);const setVuCanvas=React.useCallback(function(el){if(el)trackVuRefs.current[track.id+'_mixer']=el;else delete trackVuRefs.current[track.id+'_mixer'];},[track.id,trackVuRefs]);const handlePanPointerDown=e=>{e.currentTarget._panStartY=e.clientY;e.currentTarget._startPan=pan;e.currentTarget.setPointerCapture(e.pointerId);function onMove(ev){if(!e.currentTarget)return;var deltaY=e.currentTarget._panStartY-ev.clientY;var newPan=Math.min(1.0,Math.max(-1.0,e.currentTarget._startPan+deltaY/80));setPan(newPan);var angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+angle+'deg)';if(newPan===0)setPanLabel('center');else if(newPan<0)setPanLabel('L'+Math.abs(Math.round(newPan*100)));else setPanLabel('R'+Math.round(newPan*100));}function onUp(){document.removeEventListener('pointermove',onMove);document.removeEventListener('pointerup',onUp);}document.addEventListener('pointermove',onMove);document.addEventListener('pointerup',onUp);};return React.createElement("div",{className:"flex flex-col items-stretch w-[145px] shrink-0 strip-bg-track rounded-md text-slate-300 select-none shadow-2xl border border-slate-900 overflow-hidden"},/* 1. Top Track Color Accent Bar */React.createElement("div",{className:"h-1.5 w-full shrink-0 transition-colors",style:{backgroundColor:trackColor}}),/* 2. Pan Rotary Dial Area */React.createElement("div",{className:"h-[46px] shrink-0 py-1 px-2 flex flex-col items-center justify-center border-b border-slate-700/40",style:{backgroundColor:trackColor+'15'}},React.createElement("div",{className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-400 relative flex items-center justify-center cursor-pointer shadow-md",title:"Kéo chuột lên/xuống để chỉnh Pan",onPointerDown:handlePanPointerDown,onDoubleClick:function(){setPan(0);setPanLabel('center');if(panPointerRef.current)panPointerRef.current.style.transform='rotate(0deg)';},onWheel:function(e){e.preventDefault();var step=e.deltaY>0?-0.05:0.05;var newPan=Math.max(-1,Math.min(1,pan+step));newPan=Math.round(newPan*100)/100;setPan(newPan);if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+newPan*120+'deg)';if(newPan===0)setPanLabel('center');else if(newPan<0)setPanLabel('L'+Math.abs(Math.round(newPan*100)));else setPanLabel('R'+Math.round(newPan*100));}},React.createElement("div",{ref:panPointerRef,className:"w-0.5 h-2 rounded absolute top-0.5 transition-transform",style:{backgroundColor:trackColor,transform:'rotate(0deg)'}})),React.createElement("span",{className:"text-[8px] font-mono mt-0.5 font-semibold",style:{color:trackColor}},panLabel)),/* 3. Center Area: Peak dB + Fader + VU + Button Stack */React.createElement("div",{className:"flex-1 p-1 flex gap-1 justify-between items-stretch min-h-0"},/* Left Fader & VU Column */React.createElement("div",{className:"flex-1 flex flex-col justify-between items-center bg-black/60 p-1 rounded border border-slate-800/80"},React.createElement("div",{className:"w-full flex justify-center text-[8px] font-mono text-slate-400 h-4 items-center"},React.createElement("span",null,vol<=-50?'-inf':(vol>0?'+':'')+vol.toFixed(1)+'dB')),React.createElement("div",{className:"flex items-stretch justify-around w-full flex-1 relative py-1"},/* Fader Rail */React.createElement("div",{className:"relative fader-track-bg w-3 flex-1 rounded flex items-center justify-center overflow-hidden"},React.createElement("div",{className:"w-0.5 h-full bg-slate-700 absolute"}),React.createElement("input",{type:"range",min:"-60",max:"12",step:"0.5",value:vol,className:"fader-slider w-full z-10",onChange:function(e){var val=parseFloat(e.target.value);if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:val});},onWheel:function(e){e.preventDefault();var step=e.deltaY>0?-0.5:0.5;var newVol=Math.max(-60,Math.min(12,vol+step));if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:newVol});},onDoubleClick:function(){if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:0});}})),/* VU Meter */React.createElement("div",{className:"w-2.5 flex-1 bg-slate-950 rounded border border-slate-900 overflow-hidden relative",title:"Peak VU Meter"},React.createElement("canvas",{ref:setVuCanvas,className:"w-full h-full block"})))),/* Right Button Stack */React.createElement("div",{className:"w-7 flex flex-col justify-between text-[8px] font-bold shrink-0"},React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{muted:!track.muted});},className:"btn-daw h-[24px] rounded text-amber-500 font-extrabold flex items-center justify-center"+(isMuted?" btn-mute-active":""),title:"Mute Track"},"M"),React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{solo:!track.solo});},className:"btn-daw h-[24px] rounded text-yellow-400 font-extrabold flex items-center justify-center"+(isSoloed?" btn-solo-active":""),title:"Solo Track"},"S"),React.createElement("button",{className:"btn-daw h-[24px] rounded text-emerald-400 flex items-center justify-center",title:"Routing Matrix"},React.createElement("i",{className:"fa-solid fa-bars-staggered text-[8px]"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-300 font-semibold flex items-center justify-center text-[7px]",title:"Track FX Chain"},"FX"),React.createElement("button",{onClick:function(){setIsFxActive(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[8px]"+(isFxActive?" text-emerald-400":" text-slate-500"),title:"Toggle FX Power"},React.createElement("i",{className:"fa-solid fa-power-off"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-400 flex items-center justify-center",title:"Automation Envelopes"},React.createElement("i",{className:"fa-solid fa-chart-line text-[8px]"})),React.createElement("button",{onClick:function(){setIsPhaseInverted(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[9px]"+(isPhaseInverted?" bg-amber-600 text-white":" text-slate-400"),title:"Phase Invert"},"\u00D8"))),/* 4. Record Arm Button Row */React.createElement("div",{className:"h-[28px] shrink-0 flex items-center justify-between mx-1.5 px-1.5 bg-black/40 rounded border border-slate-800/60"},React.createElement("button",{onClick:function(e){e.stopPropagation();if(!onUpdateTrack)return;if(track.inputSource?.deviceType==='MICROPHONE'){onUpdateTrack(track.id,{inputSource:{deviceType:'NONE',deviceId:''}});}else{onUpdateTrack(track.id,{inputSource:{deviceType:'MICROPHONE',deviceId:'default'}});}},className:"w-4 h-4 rounded flex items-center justify-center text-[7px] font-bold transition-all"+(isMicActive?" bg-sky-600 text-white border border-sky-400 shadow-sm":" bg-slate-800 text-slate-500 border border-slate-700"),title:isMicActive?"Mic Input ON":"Mic Input OFF"},"MIC"),React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{isArmed:!track.isArmed});},className:"w-5 h-5 rounded-full flex items-center justify-center transition-all shadow-inner"+(isArmed?" btn-arm-active border-red-400":" bg-red-950 border-2 border-red-800 text-red-500"),title:"Arm for Recording"},React.createElement("i",{className:"fa-solid fa-circle text-[8px]"}))),/* 5. Track Name Identifier */React.createElement("div",{className:"h-[26px] shrink-0 mx-1.5 flex items-center justify-center bg-slate-950/80 rounded border border-slate-800/80"},React.createElement("span",{className:"text-[11px] font-bold tracking-wider font-sans uppercase",style:{color:trackColor}},trackName)),/* 6. Footer Bar */React.createElement("div",{className:"h-[22px] shrink-0 w-full text-slate-950 flex items-center justify-center font-extrabold text-xs font-mono tracking-widest transition-colors",style:{backgroundColor:trackColor}},index+1));};const WaveformLane=({track,zoom,timelineWidth,viewportWidth,onSelectRange,onPlayheadSet,isSelected,onSelectTrack,markers,selectionMode,localSelectionTrackId,localSelectionStart,currentTime,getLocalAnchor,onClearLocalSelection,onDeselectItem,onAddToSelection,onSetPendingDrag,onSetSelectionMode,onSetSelectionStart,onSetSelectionEnd,onSetCurrentTime,onSetLocalSelectionTrackId,onSetLocalSelectionStart,onSetLocalSelectionEnd,localSelLeft,localSelRight,onTrackLaneMouseDown,onContextMenu,onClipDragStart,onClipStretchStart,onSectionItemDragStart,onSectionItemResizeStart,onEditSectionInTab,onEditMidiInTab,onSelectionEdgeDragStart,setSelectedClipId,selectedClipId,activeTool,onSplitTrackAtTime,onEditClipInSubTab,selectedItemIds,onClearSelection,onSweepSelectStart,snapValue,bpm,scrollLeft,recordingState,recTempMidiNotes,recTempAudioBuffer,recStartTimelineTime,canvasRedrawCount})=>{const canvasRef=useRef(null);const drawWidth=Math.min(timelineWidth,viewportWidth);const leadInMargin=0;useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;let scrollLeftVal=scrollLeft||0;let el=canvas.parentElement;while(el){if(el.scrollLeft!==undefined&&(el.scrollWidth>el.clientWidth||el.scrollLeft>0)){scrollLeftVal=el.scrollLeft;break;}el=el.parentElement;}const vWidth=viewportWidth||1200;const height=canvas.parentElement?canvas.parentElement.clientHeight:96;canvas.width=Math.min(Math.round(drawWidth*dpr),32768);canvas.height=Math.min(Math.round(height*dpr),32768);ctx.scale(dpr,dpr);ctx.imageSmoothingEnabled=false;canvas.style.width=`${drawWidth}px`;canvas.style.height=`${height}px`;ctx.fillStyle=isSelected?'#2a2a2a':track.id%2===0?'#181818':'#1d1d1d';ctx.fillRect(0,0,drawWidth,height);// Grid lines based on Snap value +const TrackStripConsole=({track,index,onUpdateTrack,trackVuRefs})=>{var vol=track.volumeDb!=null?track.volumeDb:0;var trackColor=track.color||'#06b6d4';var isMuted=track.muted;var isSoloed=track.solo;var isBypassed=track.masteringBypass;var isArmed=track.isArmed;var trackName=track.name||'Track '+(index+1);var isMicActive=track.inputSource?.deviceType==='MICROPHONE';const[pan,setPan]=React.useState(0.0);const[panLabel,setPanLabel]=React.useState('center');const[isPhaseInverted,setIsPhaseInverted]=React.useState(false);const[isFxActive,setIsFxActive]=React.useState(true);const panPointerRef=React.useRef(null);const setVuCanvas=React.useCallback(function(el){if(el)trackVuRefs.current[track.id+'_mixer']=el;else delete trackVuRefs.current[track.id+'_mixer'];},[track.id,trackVuRefs]);const handlePanPointerDown=e=>{e.currentTarget._panStartY=e.clientY;e.currentTarget._startPan=pan;e.currentTarget.setPointerCapture(e.pointerId);function onMove(ev){if(!e.currentTarget)return;var deltaY=e.currentTarget._panStartY-ev.clientY;var newPan=Math.min(1.0,Math.max(-1.0,e.currentTarget._startPan+deltaY/80));setPan(newPan);var angle=newPan*120;if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+angle+'deg)';if(newPan===0)setPanLabel('center');else if(newPan<0)setPanLabel('L'+Math.abs(Math.round(newPan*100)));else setPanLabel('R'+Math.round(newPan*100));}function onUp(){document.removeEventListener('pointermove',onMove);document.removeEventListener('pointerup',onUp);}document.addEventListener('pointermove',onMove);document.addEventListener('pointerup',onUp);};return React.createElement("div",{className:"flex flex-col items-stretch w-[145px] shrink-0 strip-bg-track rounded-md text-slate-300 select-none shadow-2xl border border-slate-900 overflow-hidden"},/* 1. Top Track Color Accent Bar */React.createElement("div",{className:"h-1.5 w-full shrink-0 transition-colors",style:{backgroundColor:trackColor}}),/* 2. Pan Rotary Dial Area */React.createElement("div",{className:"h-[46px] shrink-0 py-1 px-2 flex flex-col items-center justify-center border-b border-slate-700/40",style:{backgroundColor:trackColor+'15'}},React.createElement("div",{className:"w-6 h-6 rounded-full bg-slate-800 border-2 border-slate-400 relative flex items-center justify-center cursor-pointer shadow-md",title:"Kéo chuột lên/xuống để chỉnh Pan",onPointerDown:handlePanPointerDown,onDoubleClick:function(){setPan(0);setPanLabel('center');if(panPointerRef.current)panPointerRef.current.style.transform='rotate(0deg)';},onWheel:function(e){e.preventDefault();var step=e.deltaY>0?-0.05:0.05;var newPan=Math.max(-1,Math.min(1,pan+step));newPan=Math.round(newPan*100)/100;setPan(newPan);if(panPointerRef.current)panPointerRef.current.style.transform='rotate('+newPan*120+'deg)';if(newPan===0)setPanLabel('center');else if(newPan<0)setPanLabel('L'+Math.abs(Math.round(newPan*100)));else setPanLabel('R'+Math.round(newPan*100));}},React.createElement("div",{ref:panPointerRef,className:"w-0.5 h-2 rounded absolute top-0.5 transition-transform",style:{backgroundColor:trackColor,transform:'rotate(0deg)'}})),React.createElement("span",{className:"text-[8px] font-mono mt-0.5 font-semibold",style:{color:trackColor}},panLabel)),/* 3. Center Area: Peak dB + Fader + VU + Button Stack */React.createElement("div",{className:"flex-1 p-1 flex gap-1 justify-between items-stretch min-h-0"},/* Left Fader & VU Column */React.createElement("div",{className:"flex-1 flex flex-col justify-between items-center bg-black/60 p-1 rounded border border-slate-800/80"},React.createElement("div",{className:"w-full flex justify-center text-[8px] font-mono text-slate-400 h-4 items-center"},React.createElement("span",null,vol<=-50?'-inf':(vol>0?'+':'')+vol.toFixed(1)+'dB')),React.createElement("div",{className:"flex items-stretch justify-around w-full flex-1 relative py-1"},/* Fader Rail */React.createElement("div",{className:"relative fader-track-bg w-3 flex-1 rounded flex items-center justify-center overflow-hidden"},React.createElement("div",{className:"w-0.5 h-full bg-slate-700 absolute"}),React.createElement("input",{type:"range",min:"-60",max:"12",step:"0.5",value:vol,className:"fader-slider w-full z-10",onChange:function(e){var val=parseFloat(e.target.value);if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:val});},onWheel:function(e){e.preventDefault();var step=e.deltaY>0?-0.5:0.5;var newVol=Math.max(-60,Math.min(12,vol+step));if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:newVol});},onDoubleClick:function(){if(onUpdateTrack)onUpdateTrack(track.id,{volumeDb:0});}})),/* VU Meter */React.createElement("div",{className:"w-2.5 flex-1 bg-slate-950 rounded border border-slate-900 overflow-hidden relative",title:"Peak VU Meter"},React.createElement("canvas",{ref:setVuCanvas,className:"w-full h-full block"})))),/* Right Button Stack */React.createElement("div",{className:"w-7 flex flex-col justify-between text-[8px] font-bold shrink-0"},React.createElement("button",{onClick:function(e){e.stopPropagation();var next=!track.muted;if(onUpdateTrack)onUpdateTrack(track.id,{muted:next});if(window.__applyTrackMuteSolo)window.__applyTrackMuteSolo(track.id,{muted:next});},className:"btn-daw h-[24px] rounded text-amber-500 font-extrabold flex items-center justify-center"+(isMuted?" btn-mute-active":""),title:"Mute Track"},"M"),React.createElement("button",{onClick:function(e){e.stopPropagation();var next=!track.solo;if(onUpdateTrack)onUpdateTrack(track.id,{solo:next});if(window.__applyTrackMuteSolo)window.__applyTrackMuteSolo(track.id,{solo:next});},className:"btn-daw h-[24px] rounded text-yellow-400 font-extrabold flex items-center justify-center"+(isSoloed?" btn-solo-active":""),title:"Solo Track"},"S"),React.createElement("button",{onClick:function(e){e.stopPropagation();var next=!track.masteringBypass;if(onUpdateTrack)onUpdateTrack(track.id,{masteringBypass:next});// Live re-route: bypassed channel skips FX + mastering chain at Main out. +if(window.__setTrackMasteringBypass)window.__setTrackMasteringBypass(track.id,next);},className:"btn-daw h-[24px] rounded text-sky-400 flex items-center justify-center"+(isBypassed?" btn-bypass-active bg-sky-500/20":""),title:"Bypass: track KHÔNG qua FX + mastering ở Main out"},React.createElement("i",{className:"fa-solid fa-bars-staggered text-[8px]"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-300 font-semibold flex items-center justify-center text-[7px]",title:"Track FX Chain"},"FX"),React.createElement("button",{onClick:function(){setIsFxActive(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[8px]"+(isFxActive?" text-emerald-400":" text-slate-500"),title:"Toggle FX Power"},React.createElement("i",{className:"fa-solid fa-power-off"})),React.createElement("button",{className:"btn-daw h-[24px] rounded text-slate-400 flex items-center justify-center",title:"Automation Envelopes"},React.createElement("i",{className:"fa-solid fa-chart-line text-[8px]"})),React.createElement("button",{onClick:function(){setIsPhaseInverted(function(p){return!p;});},className:"btn-daw h-[24px] rounded flex items-center justify-center text-[9px]"+(isPhaseInverted?" bg-amber-600 text-white":" text-slate-400"),title:"Phase Invert"},"\u00D8"))),/* 4. Record Arm Button Row */React.createElement("div",{className:"h-[28px] shrink-0 flex items-center justify-between mx-1.5 px-1.5 bg-black/40 rounded border border-slate-800/60"},React.createElement("button",{onClick:function(e){e.stopPropagation();if(!onUpdateTrack)return;if(track.inputSource?.deviceType==='MICROPHONE'){onUpdateTrack(track.id,{inputSource:{deviceType:'NONE',deviceId:''}});}else{onUpdateTrack(track.id,{inputSource:{deviceType:'MICROPHONE',deviceId:'default'}});}},className:"w-4 h-4 rounded flex items-center justify-center text-[7px] font-bold transition-all"+(isMicActive?" bg-sky-600 text-white border border-sky-400 shadow-sm":" bg-slate-800 text-slate-500 border border-slate-700"),title:isMicActive?"Mic Input ON":"Mic Input OFF"},"MIC"),React.createElement("button",{onClick:function(e){e.stopPropagation();if(onUpdateTrack)onUpdateTrack(track.id,{isArmed:!track.isArmed});},className:"w-5 h-5 rounded-full flex items-center justify-center transition-all shadow-inner"+(isArmed?" btn-arm-active border-red-400":" bg-red-950 border-2 border-red-800 text-red-500"),title:"Arm for Recording"},React.createElement("i",{className:"fa-solid fa-circle text-[8px]"}))),/* 5. Track Name Identifier */React.createElement("div",{className:"h-[26px] shrink-0 mx-1.5 flex items-center justify-center bg-slate-950/80 rounded border border-slate-800/80"},React.createElement("span",{className:"text-[11px] font-bold tracking-wider font-sans uppercase",style:{color:trackColor}},trackName)),/* 6. Footer Bar */React.createElement("div",{className:"h-[22px] shrink-0 w-full text-slate-950 flex items-center justify-center font-extrabold text-xs font-mono tracking-widest transition-colors",style:{backgroundColor:trackColor}},index+1));};const WaveformLane=({track,zoom,timelineWidth,viewportWidth,onSelectRange,onPlayheadSet,isSelected,onSelectTrack,markers,selectionMode,localSelectionTrackId,localSelectionStart,currentTime,getLocalAnchor,onClearLocalSelection,onDeselectItem,onAddToSelection,onSetPendingDrag,onSetPendingDragMove,onSetSelectionMode,onSetSelectionStart,onSetSelectionEnd,onSetCurrentTime,onSetLocalSelectionTrackId,onSetLocalSelectionStart,onSetLocalSelectionEnd,localSelLeft,localSelRight,onTrackLaneMouseDown,onContextMenu,onClipDragStart,onClipStretchStart,onSectionItemDragStart,onSectionItemResizeStart,onEditSectionInTab,onEditMidiInTab,onSelectionEdgeDragStart,setSelectedClipId,selectedClipId,activeTool,onSplitTrackAtTime,onEditClipInSubTab,selectedItemIds,onClearSelection,onSweepSelectStart,snapValue,bpm,scrollLeft,recordingState,recTempMidiNotes,recTempAudioBuffer,recStartTimelineTime,canvasRedrawCount})=>{const canvasRef=useRef(null);const drawWidth=Math.min(timelineWidth,viewportWidth);const leadInMargin=0;useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;let scrollLeftVal=scrollLeft||0;let el=canvas.parentElement;while(el){if(el.scrollLeft!==undefined&&(el.scrollWidth>el.clientWidth||el.scrollLeft>0)){scrollLeftVal=el.scrollLeft;break;}el=el.parentElement;}const vWidth=viewportWidth||1200;const height=canvas.parentElement?canvas.parentElement.clientHeight:96;canvas.width=Math.min(Math.round(drawWidth*dpr),32768);canvas.height=Math.min(Math.round(height*dpr),32768);ctx.scale(dpr,dpr);ctx.imageSmoothingEnabled=false;canvas.style.width=`${drawWidth}px`;canvas.style.height=`${height}px`;ctx.fillStyle=isSelected?'#2a2a2a':track.id%2===0?'#181818':'#1d1d1d';ctx.fillRect(0,0,drawWidth,height);// Grid lines based on Snap value ctx.strokeStyle='rgba(255, 255, 255, 0.03)';ctx.lineWidth=1;const beatDuration=60.0/(parseFloat(bpm)||120);const barDuration=beatDuration*4;const leadIn=0;const CLIP_BUFFER=Math.max(400,barDuration*zoom+200);const PADDING_LEFT=0;const tStart=(scrollLeftVal-leadIn*zoom)/zoom-PADDING_LEFT;const tEnd=(scrollLeftVal+drawWidth-leadIn*zoom)/zoom+CLIP_BUFFER/zoom;let snapDivisor=1;if(snapValue&&snapValue!=='free'){if(snapValue==='4')snapDivisor=4;else if(snapValue==='1')snapDivisor=1;else if(snapValue==='1/2')snapDivisor=0.5;else if(snapValue==='1/4')snapDivisor=0.25;else if(snapValue==='1/8')snapDivisor=0.125;else if(snapValue==='1/16')snapDivisor=0.0625;else if(snapValue==='1/32')snapDivisor=0.03125;}const snapInterval=beatDuration*snapDivisor;const firstSnap=Math.floor(tStart/snapInterval)*snapInterval;for(let t=firstSnap;t<=tEnd;t+=snapInterval){const localX=(t-tStart)*zoom;if(localX<-CLIP_BUFFER||localX>drawWidth+CLIP_BUFFER)continue;const barNum=Math.round(t/barDuration);const onBar=Math.abs(t-barNum*barDuration)<0.001;ctx.strokeStyle=onBar?'rgba(255, 255, 255, 0.12)':'rgba(255, 255, 255, 0.04)';ctx.lineWidth=onBar?1.2:0.5;ctx.beginPath();ctx.moveTo(localX,0);ctx.lineTo(localX,height);ctx.stroke();if(onBar&&zoom>=2){ctx.fillStyle='rgba(255, 255, 255, 0.15)';ctx.font='bold 7px Inter, sans-serif';ctx.textAlign='left';ctx.fillText(`${barNum}`,localX+2,10);}}// Draw waveform lane const clips=[...(track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[])];if(recordingState==='RECORDING'&&track.isArmed&&track.inputSource?.deviceType==='MICROPHONE'&&recTempAudioBuffer){clips.push({id:'rec_temp_'+track.id,buffer:recTempAudioBuffer,startTime:recStartTimelineTime,name:'[GHI ÂM...]',speed:1.0,isTemp:true});}if(clips.length>0){clips.forEach(clip=>{const hasBuffer=!!clip.buffer;const clipSpeed=clip.speed||1.0;const originalDuration=hasBuffer?clip.buffer.duration/clipSpeed:4.0;const duration=originalDuration;const clipStartTime=clip.startTime||0;const clipEndTime=clipStartTime+duration;// Culling: Skip rendering if clip is outside visible viewport window if(clipEndTimetEnd)return;const xStartGlobal=clipStartTime*zoom;const wClip=duration*zoom;const xStartLocal=xStartGlobal-scrollLeftVal;const xEndLocal=xStartLocal+wClip;// 1. Draw Clip Layer Background & Border (always draw even without buffer) @@ -128,13 +133,20 @@ if(e.shiftKey){e.preventDefault();e.stopPropagation();const currentAnchor=getLoc const isLocal=selectionMode==='local'&&localSelectionTrackId===track.id;if(isLocal&&localSelLeft!==null&&localSelRight!==null){const leftPx=localSelLeft*zoom;const rightPx=localSelRight*zoom;const distToLeft=Math.abs(x-leftPx);const distToRight=Math.abs(x-rightPx);if(distToLeft<=5){e.preventDefault();e.stopPropagation();if(onSelectionEdgeDragStart)onSelectionEdgeDragStart(e,track.id,'left');return;}else if(distToRight<=5){e.preventDefault();e.stopPropagation();if(onSelectionEdgeDragStart)onSelectionEdgeDragStart(e,track.id,'right');return;}}// Check if time-stretching (Alt + Right Edge) const toleranceSec=8/zoom;const rightEdgeClip=clips.find(c=>{const duration=c.buffer.duration/(c.speed||1.0);return Math.abs(time-(c.startTime+duration))<=toleranceSec;});if(rightEdgeClip&&e.altKey){e.preventDefault();e.stopPropagation();if(onClipStretchStart){onClipStretchStart(track.id,rightEdgeClip.id,time);}return;}// Check section/MIDI item edge for resize, then body for drag const secItems=track.sections||[];const midiItems=track.midiItems||[];const secTol=8/zoom;let hitItem=null;let hitEdge=null;for(const sec of secItems){if(Math.abs(time-sec.start)<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='left';break;}if(Math.abs(time-(sec.start+sec.duration))<=secTol){hitItem={type:'section',id:sec.id,start:sec.start,dur:sec.duration};hitEdge='right';break;}}if(!hitItem){for(const midi of midiItems){if(Math.abs(time-midi.startTime)<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='left';break;}if(Math.abs(time-(midi.startTime+midi.duration))<=secTol){hitItem={type:'midiItem',id:midi.id,start:midi.startTime,dur:midi.duration};hitEdge='right';break;}}}if(hitItem&&hitEdge){e.preventDefault();e.stopPropagation();if(onSectionItemResizeStart)onSectionItemResizeStart(track.id,hitItem.type,hitItem.id,hitEdge,time);return;}if(!hitItem){for(const sec of secItems){if(time>=sec.start&&time=midi.startTime&&time1?selectedItemIds:new Set([hitItem.id]);if(onSectionItemDragStart)onSectionItemDragStart(track.id,hitItem.type,hitItem.id,time-hitItem.start,false,dragIds);}return;}const clickedClip=clips.find(c=>time>=c.startTime&&time1?selectedItemIds:new Set([hitItem.id]);if(onSetPendingDragMove)onSetPendingDragMove(track.id,hitItem.type,hitItem.id,time-hitItem.start,e.nativeEvent||e,dragIds);}return;}const clickedClip=clips.find(c=>time>=c.startTime&&time1?selectedItemIds:new Set([clipCanonicalId2]);if(onSetPendingDragMove)onSetPendingDragMove(track.id,'clip',clipCanonicalId2,time-clickedClip.startTime,e.nativeEvent||e,clipDragIds);return;}// Ctrl+Click on empty space: deselect all on click, marquee on drag if(e.ctrlKey&&!clickedClip&&!hitItem){e.preventDefault();e.stopPropagation();// Start a pending sweep: mouseup with no drag → deselect all; drag → marquee if(onSweepSelectStart)onSweepSelectStart(track.id,time,e.clientY);return;}onPlayheadSet(time);if(onTrackLaneMouseDown){onTrackLaneMouseDown(track.id,time,e);}e.stopPropagation();},onDoubleClick:e=>{const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];// Check double-click on section first const dblSecItems=track.sections||[];let dblSecHit=null;for(const sec of dblSecItems){if(time>=sec.start&&time=minBeat;}else{// Right to left: select only if fully covered return n.start_beat>=minBeat&¬eEnd<=maxBeat;}}).map(n=>n.id);setSelectedNoteIds(insideIds);return;}// Right-click drag → erase sweep const rc=rightClickDragRef.current;if(rc.active&&(Math.abs(e.clientX-rc.startX)>5||Math.abs(e.clientY-rc.startY)>5)){rc.active=false;swallowContextMenuRef.current=true;notesBeforeDragRef.current=JSON.parse(JSON.stringify(notes));setDraggedNote({mode:'erase_sweep',visitedPitches:[]});return;}if(!draggedNote){let foundIdx=-1;for(let i=0;i=n.start_beat){foundIdx=i;break;}}}if(foundIdx!==-1){canvas.style.cursor='ew-resize';setHoveredResizeIdx(foundIdx);}else{canvas.style.cursor=activeRollTool==='eraser'?'pointer':'crosshair';setHoveredResizeIdx(-1);}return;}if(draggedNote.mode==='draw'){const snappedPitch=snapToScaleRef.current?snapPitchToScale(pitch,selectedScaleRef.current):pitch;const lastPitch=draggedNote.lastDrawnPitch!==undefined?draggedNote.lastDrawnPitch:draggedNote.startOffsetPitch;const pitchChanged=snappedPitch!==lastPitch;const noteBeats=draggedNote.noteStartBeats||[];const defaultDur=getSnapDuration(snapValue);function playDrawPreview(p,durMs){stopPreviewNote();if(window.SonicSF&&window.SonicSF._playNoteFallback){var pvCtx=getAudioContext();var pvTrk=activeTracks.find(function(t){return t.id===st.trackId;});var pvCh=pvTrk?assignTrackMidiChannel(pvTrk,activeTracks):0;var pvVel=Math.round(brushVelocityRef.current*127);var pvNodes=window.SonicSF._playNoteFallback(p,pvVel,durMs,pvCtx.currentTime,pvTrk?pvTrk.instrumentProgram:undefined,null,pvCh,pvTrk?pvTrk.synth_engine:undefined);if(pvNodes)previewNodesRef.current=pvNodes;previewPitchRef.current=p;}}if(pitchChanged){const brushIds=draggedNote.brushIds||[];if(brushIds.length>0&¬eBeats.length>0){const prevNoteId=brushIds[brushIds.length-1];const prevNoteBeat=noteBeats[noteBeats.length-1];const prevDur=Math.max(0.125,beat-prevNoteBeat);setNotes(prev=>prev.map(n=>{if(n.id!==prevNoteId)return n;return{...n,duration_beats:prevDur};}));}const newNote={id:'note_'+Date.now()+Math.random().toString(36).substr(2,8)+'_'+(noteBeats.length+1),pitch:snappedPitch,start_beat:beat,duration_beats:defaultDur,velocity:brushVelocityRef.current,pan:0.0};setNotes(prev=>[...prev,newNote]);setSelectedNoteIds(prev=>[...prev,newNote.id]);draggedNote.brushIds=[...brushIds,newNote.id];draggedNote.lastDrawnPitch=snappedPitch;draggedNote.noteStartBeats=[...noteBeats,beat];playDrawPreview(snappedPitch,Math.max(100,Math.round(defaultDur*(60/bpm)*1000)));}else{const brushIds=draggedNote.brushIds||[];const lastBrushId=brushIds.length>0?brushIds[brushIds.length-1]:draggedNote.drawNoteId;const lastNoteBeat=noteBeats.length>0?noteBeats[noteBeats.length-1]:draggedNote.startOffsetBeat;if(lastBrushId){const extDur=Math.max(0.125,beat-lastNoteBeat);setNotes(prev=>prev.map(n=>{if(n.id!==lastBrushId)return n;return{...n,duration_beats:extDur};}));playDrawPreview(snappedPitch,Math.max(100,Math.round(extDur*(60/bpm)*1000)));}}const container=gridScrollRef.current;if(container){const cr=container.getBoundingClientRect();const visTop=container.scrollTop;const visBot=visTop+container.clientHeight;const pitchPixel=(127-snappedPitch)*NoteHeight;const safeMargin=NoteHeight*2;if(pitchPixel{if(gridScrollRef.current)gridScrollRef.current.scrollTop=Math.max(0,gridScrollRef.current.scrollTop-Math.max(1,Math.floor(NoteHeight*0.5)));},16)};}}else if(pitchPixel+NoteHeight>visBot-safeMargin){const target=Math.min(container.scrollHeight-container.clientHeight,pitchPixel-container.clientHeight+safeMargin+NoteHeight);if(container.scrollTop!==target)container.scrollTop=target;if(!brushAutoScrollRef.current||brushAutoScrollRef.current.direction!=='down'){if(brushAutoScrollRef.current)clearInterval(brushAutoScrollRef.current.id);brushAutoScrollRef.current={direction:'down',id:setInterval(()=>{if(gridScrollRef.current)gridScrollRef.current.scrollTop=Math.min(gridScrollRef.current.scrollHeight-gridScrollRef.current.clientHeight,gridScrollRef.current.scrollTop+Math.max(1,Math.floor(NoteHeight*0.5)));},16)};}}else{if(brushAutoScrollRef.current){clearInterval(brushAutoScrollRef.current.id);brushAutoScrollRef.current=null;}}}return;}if(draggedNote.mode==='erase_sweep'){const erased=draggedNote.erasedIds||[];const target=notes.find(n=>n.pitch===pitch&&beat>=n.start_beat&&beatprev.filter(n=>n.id!==target.id));setSelectedNoteIds(prev=>prev.filter(id=>id!==target.id));}return;}if(draggedNote.mode==='scale'){const newEnd=getSnapBeat(Math.max(draggedNote.firstStart+0.125,beat),snapValue);const range=draggedNote.originalEnd-draggedNote.firstStart;if(range<=0)return;const scaleFactor=Math.max(0.01,(newEnd-draggedNote.firstStart)/range);const ids=draggedNote.selectedNoteIds||[];const firstStart=draggedNote.firstStart;const notesBefore=notesBeforeDragRef.current;if(!notesBefore)return;setNotes(prev=>prev.map(n=>{if(!ids.includes(n.id))return n;const orig=notesBefore?notesBefore.find(o=>o.id===n.id):null;const origStart=orig?orig.start_beat:n.start_beat;const origDur=orig?orig.duration_beats:n.duration_beats;const relStart=origStart-firstStart;const relEnd=relStart+origDur;return{...n,start_beat:firstStart+relStart*scaleFactor,duration_beats:Math.max(0.125,relEnd*scaleFactor-relStart*scaleFactor)};}));return;}if(draggedNote.mode==='resize'){const newDuration=getSnapBeat(Math.max(0.125,beat-draggedNote.originalStart),snapValue);setNotes(prev=>prev.map((n,idx)=>{if(idx!==draggedNote.idx)return n;return{...n,duration_beats:newDuration};}));}else if(draggedNote.mode==='move'){const refOrigStart=draggedNote.clickedOriginalStartBeat;if(refOrigStart===undefined)return;const deltaBeat=getSnapBeat(beat-draggedNote.startOffsetBeat,snapValue)-refOrigStart;// Clamp so no note goes past beat 0 -const minOrigStart=Math.min(...draggedNote.selectedNotesOffset.map(o=>o.originalStartBeat));const clampedDeltaBeat=minOrigStart+deltaBeat<0?-minOrigStart:deltaBeat;const deltaPitch=Math.round(pitch-draggedNote.startOffsetPitch);setNotes(prev=>prev.map(n=>{const offset=draggedNote.selectedNotesOffset.find(o=>o.id===n.id);if(!offset)return n;return{...n,start_beat:getSnapBeat(Math.max(0,offset.originalStartBeat+clampedDeltaBeat),snapValue),pitch:Math.max(0,Math.min(127,offset.originalPitch+deltaPitch))};}));}};const handleGridMouseUp=()=>{if(draggedNote&&draggedNote.mode==='draw'){const dn=draggedNote;const brushIds=dn.brushIds||[];const lastBrushId=brushIds.length>0?brushIds[brushIds.length-1]:dn.drawNoteId;if(lastBrushId){const lastNote=notes.find(n=>n.id===lastBrushId);if(lastNote)lastNoteDurationRef.current=lastNote.duration_beats;}}setDraggedNote(null);setSelectionMarquee(null);rightClickDragRef.current={active:false,startX:0,startY:0};if(brushAutoScrollRef.current){clearInterval(brushAutoScrollRef.current.id);brushAutoScrollRef.current=null;}stopPreviewNote();previewPitchRef.current=null;};const handleContextMenu=e=>{e.preventDefault();if(swallowContextMenuRef.current){swallowContextMenuRef.current=false;return;}const pos={x:e.clientX,y:e.clientY,parentKey:null};scaleMenuOriginRef.current={x:pos.x,y:pos.y};setScaleMenuPos(pos);};const ccDragRef=React.useRef(null);const brushAutoScrollRef=React.useRef(null);const rightClickDragRef=React.useRef({active:false,startX:0,startY:0});const swallowContextMenuRef=React.useRef(false);const findCCNoteIndex=(b,mouseY,ccH)=>{const snapped=getSnapBeat(b,snapValue);const hits=[];notes.forEach((n,idx)=>{if(snapped>=n.start_beat&&snapped<=n.start_beat+n.duration_beats){const nv=ccMode==='pan'?(n.pan||0)*0.5+0.5:n.velocity!==undefined?n.velocity:0.8;const stemTop=ccH-(nv*(ccH-20)+10);hits.push({idx,dist:Math.abs(stemTop-mouseY)});}});if(hits.length>0){hits.sort((a,b)=>a.dist-b.dist);return hits[0].idx;}let nearest=-1;let minDist=Infinity;notes.forEach((n,idx)=>{const center=n.start_beat+n.duration_beats/2;const d=Math.abs(center-snapped);if(d{const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat-renderBeatOffset;const noteIdx=findCCNoteIndex(beat,y,h);const val=Math.max(0,Math.min(1,(h-y)/h));if(e.ctrlKey){if(selectedNoteIds.length>0){const cursorNoteIdx=findCCNoteIndex(beat,y,h);if(cursorNoteIdx!==-1&&selectedNoteIds.includes(notes[cursorNoteIdx]?notes[cursorNoteIdx].id:-1)){const currentNote=notes[cursorNoteIdx];const currentVal=ccMode==='pan'?(currentNote.pan||0)/2.0+0.5:currentNote.velocity!==undefined?currentNote.velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==cursorNoteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}ccDragRef.current={active:true,lastBeat:beat,selectedMode:true,lastPainted:[cursorNoteIdx]};}else{ccDragRef.current={active:true,lastBeat:beat,selectedMode:true,lastPainted:[]};}}else{ccDragRef.current={active:true,lastBeat:beat,lastPainted:noteIdx!==-1?[noteIdx]:[]};}return;}if(noteIdx!==-1){const currentVal=ccMode==='pan'?(notes[noteIdx].pan||0)/2.0+0.5:notes[noteIdx].velocity!==undefined?notes[noteIdx].velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==noteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}}};const handleCCMouseMove=e=>{if(!ccDragRef.current||!ccDragRef.current.active)return;const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat-renderBeatOffset;const val=Math.max(0,Math.min(1,(h-y)/h));const drag=ccDragRef.current;const painted=drag.lastPainted||[];if(drag.selectedMode&&selectedNoteIds.length>0){const cursorNoteIdx=findCCNoteIndex(beat,y,h);if(cursorNoteIdx!==-1){const cursorNote=notes[cursorNoteIdx];if(cursorNote&&selectedNoteIds.includes(cursorNote.id)&&!painted.includes(cursorNoteIdx)){const currentVal=ccMode==='pan'?(cursorNote.pan||0)/2.0+0.5:cursorNote.velocity!==undefined?cursorNote.velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==cursorNoteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}drag.lastPainted=[...painted,cursorNoteIdx];}}return;}const candidateIdx=findCCNoteIndex(beat,y,h);if(candidateIdx!==-1&&!painted.includes(candidateIdx)){const currentVal=ccMode==='pan'?(notes[candidateIdx].pan||0)/2.0+0.5:notes[candidateIdx].velocity!==undefined?notes[candidateIdx].velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==candidateIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}drag.lastPainted=[...painted,candidateIdx];}};const renderKeybed=()=>{var kbTrk=activeTracks.find(function(t){return t.id===st.trackId;});var kbCh=kbTrk?assignTrackMidiChannel(kbTrk,activeTracks):0;var kbSynth=kbTrk?kbTrk.synth_engine:undefined;const keys=[];for(let pitch=127;pitch>=PITCH_START;pitch--){const isBlack=[1,3,6,8,10].includes(pitch%12);const notesArray=['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'];const octave=Math.floor(pitch/12)-1;const label=`${notesArray[pitch%12]}${octave}`;const showLabel=pitch%12===0;keys.push(/*#__PURE__*/React.createElement("div",{key:pitch,style:{height:`${NoteHeight}px`},className:`w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition cursor-pointer ${activeMidiPitches&&activeMidiPitches.has(pitch)?'bg-emerald-500 text-white border-emerald-400':isBlack?'bg-zinc-950 text-slate-500 border-zinc-900 hover:bg-zinc-800':'bg-white text-zinc-800 border-r border-zinc-400 hover:bg-amber-100'}`,onMouseDown:e=>{e.stopPropagation();keybedMouseDownRef.current=true;try{if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(st.trackId,100);}if(window.SonicSF){window.SonicSF.playNote(pitch,100,500,undefined,st.instrumentProgram,null,kbCh,kbSynth);}}catch(err){console.error('playNote error:',err);}},onMouseEnter:e=>{if(keybedMouseDownRef.current){try{if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(st.trackId,100);}if(window.SonicSF){window.SonicSF.playNote(pitch,100,200,undefined,st.instrumentProgram,null,kbCh,kbSynth);}}catch(err){console.error('playNote error:',err);}}},onMouseUp:()=>{keybedMouseDownRef.current=false;}},showLabel&&label));}return keys;};const handleScroll=e=>{if(keybedRef.current){keybedRef.current.scrollTop=e.currentTarget.scrollTop;}if(rulerScrollRef.current){rulerScrollRef.current.scrollLeft=e.currentTarget.scrollLeft;}if(ccWrapperRef.current){ccWrapperRef.current.scrollLeft=e.currentTarget.scrollLeft;}const el=e.currentTarget;const THRESHOLD=200;if(el.scrollLeft+el.clientWidth>=el.scrollWidth-THRESHOLD){const newBeats=rollBeatsRef.current+16;setRollBeats(newBeats);}};const handleKeybedScroll=e=>{if(gridScrollRef.current){gridScrollRef.current.scrollTop=e.currentTarget.scrollTop;}};const SCALES={"None":null,"Diatonic":{"Major":[0,2,4,5,7,9,11],"Minor":[0,2,3,5,7,8,10],"Dorian":[0,2,3,5,7,9,10],"Phrygian":[0,1,3,5,7,8,10],"Lydian":[0,2,4,6,7,9,11],"Mixolydian":[0,2,4,5,7,9,10],"Locrian":[0,1,3,5,6,8,10]},"Pentatonic":{"Major":[0,2,4,7,9],"Minor":[0,3,5,7,10],"Blues":[0,3,5,6,7,10],"Chinese":[0,2,4,7,9],"Vietnam":[0,2,6,7,10],"India":[0,2,5,7,9],"Japan":[0,2,5,7,9],"Africa":[0,3,5,7,10]},"Church":{"Dorian":[0,2,3,5,7,9,10],"Phrygian":[0,1,3,5,7,8,10],"Lydian":[0,2,4,6,7,9,11],"Mixolydian":[0,2,4,5,7,9,10]},"Jazz":{"Blues":[0,3,5,6,7,10],"Bebop":[0,2,4,5,7,9,10,11],"Diminished":[0,2,3,5,6,8,9,11]},"Asian Traditional":{"Chinese":[0,2,4,7,9],"Vietnam":[0,2,6,7,10],"Japan":[0,2,5,7,9],"India":[0,2,5,7,9],"Gamelan":[0,2,4,7,9],"Korea":[0,2,4,5,7,9]},"Middle Eastern":{"Hijaz":[0,1,4,5,7,8,11],"Nikriz":[0,1,4,5,7,8,10],"Rast":[0,2,4,5,7,8,10],"Saba":[0,1,3,4,7,8,10],"Bayati":[0,2,3,4,7,8,10]}};const[selectedScale,setSelectedScale]=React.useState(null);const selectedScaleRef=React.useRef(null);selectedScaleRef.current=selectedScale;const snapToScaleRef=React.useRef(true);snapToScaleRef.current=st.snapToScale!==undefined?st.snapToScale:true;const[scaleMenuPos,setScaleMenuPos]=React.useState(null);const scaleMenuOriginRef=React.useRef(null);const[showCC,setShowCC]=React.useState(true);const[ccHeight,setCcHeight]=React.useState(80);const snapPitchToScale=(pitch,scale)=>{if(!scale)return pitch;const octave=Math.floor(pitch/12);const noteInOctave=pitch%12;if(scale.includes(noteInOctave))return pitch;let best=noteInOctave;let minDist=12;scale.forEach(s=>{const dist=Math.abs(s-noteInOctave);if(dist{const closeMenu=()=>setScaleMenuPos(null);const origin=scaleMenuOriginRef.current||scaleMenuPos;const items=[];let subMenu=null;const isSameScale=(a,b)=>{if(!a||!b)return a===b;if(a.length!==b.length)return false;return a.every((v,i)=>v===b[i]);};const pushItem=(label,onClick,onHover)=>{const isActive=onClick._scale&&isSameScale(onClick._scale,selectedScale);items.push(React.createElement("div",{key:label,onClick:()=>{onClick();closeMenu();},onMouseEnter:onHover||undefined,className:"px-3 py-1.5 text-xs cursor-pointer hover:bg-amber-600 hover:text-white whitespace-nowrap "+(isActive?"bg-amber-800/40 text-amber-300":"text-zinc-300")},label));};Object.keys(SCALES).forEach(key=>{const val=SCALES[key];if(val===null){pushItem("None",()=>setSelectedScale(null));return;}if(Array.isArray(val)){pushItem(key,()=>setSelectedScale(val));}else{const parentKey=key;const isOpen=scaleMenuPos&&scaleMenuPos.parentKey===parentKey;pushItem(key+" ▸",()=>setSelectedScale(null),()=>{setScaleMenuPos({x:origin.x,y:origin.y,parentKey});});if(isOpen){const subs=[];Object.keys(val).forEach(subKey=>{subs.push(React.createElement("div",{key:subKey,onClick:()=>{setSelectedScale(val[subKey]);closeMenu();},className:"px-3 py-1.5 text-xs cursor-pointer hover:bg-amber-600 hover:text-white whitespace-nowrap "+(isSameScale(val[subKey],selectedScale)?"bg-amber-800/40 text-amber-300":"text-zinc-300")},subKey));});var subH=subs.length*30+16;var subTop=origin.y+subH+20>window.innerHeight?origin.y-subH:origin.y;subMenu=React.createElement("div",{style:{position:"fixed",left:origin.x+150,top:subTop,zIndex:10000},className:"bg-[#2a2a2a] border border-zinc-600 rounded shadow-xl py-1 min-w-[120px]"},...subs);}}});var menuH=items.length*30+16;var menuTop=origin.y+menuH+20>window.innerHeight?Math.max(10,origin.y-menuH):origin.y;return React.createElement(React.Fragment,null,React.createElement("div",{style:{position:"fixed",left:origin.x,top:menuTop,zIndex:9999},className:"bg-[#2a2a2a] border border-zinc-600 rounded shadow-xl py-1 min-w-[140px]"},...items),subMenu);};const renderBarLabels=()=>{const labels=[];const barsCount=Math.ceil(viewBeats/4);const barOffset=Math.floor(sessionStartBar);for(let bar=0;bar{e.stopPropagation();const barTime=bar*4*beatSec;setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:barTime}:s));}},`Bar ${displayBar}`));}return labels;};const beatSec=60.0/(parseInt(bpm)||120);const playHeadX=(st.currentTime||0)/beatSec*pixelsPerBeat;return React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 bg-[#1e1e1e] flex-col h-full"},/* 1. TOOLBAR HEADER */React.createElement("div",{className:"h-10 bg-[#282828] border-b border-zinc-900 flex items-center justify-between px-4 shrink-0 text-slate-200"},React.createElement("div",{className:"flex items-center gap-4"},React.createElement("select",{value:st.trackId||'',onChange:function(e){var trkId=e.target.value;var trkSel=(activeTracks||[]).find(function(t){return t.id===trkId;});if(trkSel&&trkSel.midiItems&&trkSel.midiItems.length)handleSwitchMidiItem(trkSel.midiItems[0].id);},className:"bg-zinc-800 border border-zinc-700 text-yellow-500 font-bold text-xs rounded px-1.5 py-0.5 outline-none focus:border-yellow-500 max-w-[180px] uppercase"},function(){var seenTrackOpts={};var trackOpts=[];(activeTracks||[]).forEach(function(t){if(!t.midiItems||!t.midiItems.length)return;if(seenTrackOpts[t.id])return;seenTrackOpts[t.id]=true;trackOpts.push(React.createElement("option",{key:t.id,value:t.id},t.name||t.id));});return trackOpts;}()),activeParentTrackName?React.createElement("span",{className:"text-[9px] text-zinc-500 ml-1"},"(Belongs to: ",React.createElement("span",{className:"text-zinc-400 font-semibold"},activeParentTrackName),")"):null,React.createElement("div",{className:"flex items-center gap-1 text-xs"},React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap to Scale"),React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,snapToScale:!(s.snapToScale!==undefined?s.snapToScale:true)}:s)),className:`w-7 h-4 rounded-full transition-colors relative ${(st.snapToScale!==undefined?st.snapToScale:true)?'bg-yellow-600':'bg-zinc-700'}`,style:{padding:0}},React.createElement("div",{className:`w-3 h-3 rounded-full bg-white absolute top-0.5 transition-transform ${(st.snapToScale!==undefined?st.snapToScale:true)?'translate-x-3.5':'translate-x-0.5'}`}))),React.createElement("div",{className:"flex items-center gap-1 text-xs"},React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap:"),React.createElement("select",{value:snapValue,onChange:e=>{onSnapChange(e.target.value);setRenderTick(t=>t+1);},className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1.5 py-0.5 outline-none focus:border-yellow-500"},['free','4','1','1/2','1/4','1/8','1/16','1/32'].map(v=>React.createElement("option",{key:v,value:v},v)))),React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,isArmed:!s.isArmed}:s)),className:`px-2 py-1 rounded text-xs font-bold ${st.isArmed?'bg-red-600 text-white':'bg-zinc-800 text-zinc-400'}`},"ARM"),React.createElement("select",{value:selectedMidiInputId||'',onChange:e=>onMidiInputSelect(e.target.value),className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1 py-0.5 text-xs outline-none max-w-[100px]"},React.createElement("option",{value:""},"Input"),React.createElement("option",{value:"ALL"},"Omni"),(midiDevices||[]).map(d=>React.createElement("option",{key:d.id,value:d.id},d.name||d.id))),React.createElement("button",{onClick:()=>onInstrumentSelect&&onInstrumentSelect(st.trackId),title:st.instrumentName||"Synth",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 max-w-[70px] ${st.instrumentName?'bg-violet-900 text-violet-300 border-violet-700':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-300'}`},React.createElement("i",{"data-lucide":"music",className:"w-3 h-3 shrink-0"}),React.createElement("span",{className:"truncate text-[9px]"},activeParentTrackName?'('+activeParentTrackName+') '+(st.instrumentName||'Synth'):st.instrumentName||'Synth')),React.createElement("div",{className:"flex items-center gap-1 ml-1 text-xs"},React.createElement("span",{className:"text-zinc-500"},"AI:"),React.createElement("input",{type:"number",value:aiBarStart,onChange:e=>setAiBarStart(parseInt(e.target.value)||0),className:"w-8 bg-zinc-900 border border-zinc-700 text-zinc-200 rounded px-1 py-0.5 text-xs text-center"}),React.createElement("span",{className:"text-zinc-500"},"-"),React.createElement("input",{type:"number",value:aiBarEnd,onChange:e=>setAiBarEnd(parseInt(e.target.value)||1),className:"w-8 bg-zinc-900 border border-zinc-700 text-zinc-200 rounded px-1 py-0.5 text-xs text-center"}),React.createElement("span",{className:"text-zinc-500"},"bar")),React.createElement("select",{value:ccMode,onChange:e=>setCcMode(e.target.value),className:"bg-zinc-800 text-zinc-200 border border-zinc-700 rounded px-1.5 py-1 text-xs capitalize cursor-pointer"},React.createElement("option",{value:"velocity"},"Velocity"),React.createElement("option",{value:"sustain"},"Sustain"),React.createElement("option",{value:"modulation"},"Modulation"),React.createElement("option",{value:"pitch_bend"},"Pitch Bend"),React.createElement("option",{value:"pan"},"Pan"))),React.createElement("button",{onClick:()=>setShowCC(!showCC),className:`px-2 py-1 rounded text-xs ${showCC?'bg-purple-900/60 text-purple-300 border border-purple-700':'text-zinc-500 hover:text-zinc-300'}`},ccMode==='velocity'?'Vel':ccMode==='sustain'?'Sus':ccMode==='modulation'?'Mod':ccMode==='pitch_bend'?'Bend':ccMode==='pan'?'Pan':'CC'),React.createElement("button",{onClick:function(){setSessionSyncMode(function(p){return!p;});},className:function(){var base='px-2 py-1 rounded text-xs ';return sessionSyncMode?base+'bg-cyan-900/60 text-cyan-300 border border-cyan-700':base+'text-zinc-500 hover:text-zinc-300';}(),title:sessionSyncMode?"Session-synced mode (ghost visible)":"Isolated mode (bar 0, no ghost)"},sessionSyncMode?"\uD83C\uDF10 Session":"\uD83D\uDCCB Isolated"),React.createElement("button",{onClick:function(){setShowGhostNotes(function(p){return!p;});},disabled:!sessionSyncMode,className:function(){if(!sessionSyncMode)return'px-2 py-1 rounded text-xs opacity-30 cursor-not-allowed';var base='px-2 py-1 rounded text-xs ';return showGhostNotes?base+'bg-purple-900/60 text-purple-300 border border-purple-700':base+'text-zinc-500 hover:text-zinc-300';}(),title:"Toggle ghost notes visibility"},"\uD83D\uDC7B Ghost"),React.createElement("div",{className:"flex items-center gap-1"},React.createElement("button",{onClick:()=>onSaveNotes(st.id,st.trackId,st.target_id,notes),className:"px-2.5 py-1 bg-emerald-600 hover:bg-emerald-500 text-white rounded text-xs flex items-center gap-1 transition font-semibold"},React.createElement("i",{"data-lucide":"save",className:"w-3 h-3"}),"Lưu"),React.createElement("button",{onClick:()=>{const ppq=480;const bpmNum=parseInt(bpm)||120;const ticksPerBeat=ppq;const events=[];(notes||[]).forEach(n=>{const startTick=Math.round((n.start_beat||0)*ticksPerBeat);const durTick=Math.round((n.duration_beats||1)*ticksPerBeat);const pitch=n.pitch||60;const vel=Math.round((n.velocity||0.8)*127);events.push({tick:startTick,type:'note_on',pitch,velocity:vel});events.push({tick:startTick+durTick,type:'note_off',pitch,velocity:0});});events.sort((a,b)=>a.tick-b.tick||(a.type==='note_off'?-1:1));const writeVLQ=(bytes,v)=>{let val=Math.max(0,v);const buf=[];buf.push(val&0x7F);while(val>0x7F){val>>=7;buf.push(0x80|val&0x7F);}for(let i=buf.length-1;i>=0;i--)bytes.push(buf[i]);};const trackBytes=[];let lastTick=0;events.forEach(ev=>{const delta=Math.max(0,ev.tick-lastTick);writeVLQ(trackBytes,delta);trackBytes.push(ev.type==='note_on'?0x90:0x80,ev.pitch,ev.velocity);lastTick=ev.tick;});writeVLQ(trackBytes,0);trackBytes.push(0xFF,0x2F,0x00);const trackData=[0x4D,0x54,0x72,0x6B];const len=trackBytes.length;trackData.push(len>>24&0xFF,len>>16&0xFF,len>>8&0xFF,len&0xFF);trackData.push(...trackBytes);const header=[0x4D,0x54,0x68,0x64,0x00,0x00,0x00,0x06,0x00,0x01,0x00,0x01,ppq>>8&0xFF,ppq&0xFF];const all=header.concat(trackData);const blob=new Blob([new Uint8Array(all)],{type:'audio/midi'});const url=URL.createObjectURL(blob);const a=document.createElement('a');a.href=url;a.download=(st.label||'midi')+'.mid';document.body.appendChild(a);a.click();document.body.removeChild(a);URL.revokeObjectURL(url);showToast('Đã xuất file MIDI!','success');},className:"px-2.5 py-1 bg-amber-700 hover:bg-amber-600 text-white rounded text-xs flex items-center gap-1 transition font-semibold"},React.createElement("i",{"data-lucide":"file-down",className:"w-3 h-3"}),"Export"),React.createElement("button",{onClick:onClose,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs flex items-center gap-1 transition"},React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}),"Đóng"))),/* 2. BAR RULER */React.createElement("div",{className:"h-6 bg-[#1a1a1f] border-b border-zinc-900 flex shrink-0"},React.createElement("div",{className:"w-[120px] bg-[#1e1e22] border-r border-zinc-800 shrink-0 flex items-end"},React.createElement("span",{className:"text-[8px] text-zinc-600 font-mono px-1.5 pb-0.5 uppercase tracking-wider"},"Tracks")),React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 shrink-0"}),React.createElement("div",{ref:rulerScrollRef,className:"flex-1 overflow-hidden",onMouseDown:e=>{const rect=e.currentTarget.getBoundingClientRect();const x=e.clientX-rect.left+e.currentTarget.scrollLeft;const clickBeat=x/pixelsPerBeat;const clickTime=clickBeat*beatSec;const clickInRange=loopStartBeat!==null&&loopEndBeat!==null&&clickBeat>=loopStartBeat&&clickBeat<=loopEndBeat;if(e.ctrlKey||e.metaKey){setLoopStartBeat(null);setLoopEndBeat(null);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:null,selectionEnd:null}:s));return;}if(e.shiftKey){const beatSnap=getSnapBeat(clickBeat,snapValue);if(loopStartBeat===null){setLoopStartBeat(Math.max(0,beatSnap-4));setLoopEndBeat(Math.max(4,beatSnap));}else{setLoopEndBeat(Math.max(loopStartBeat+4,beatSnap));}return;}if(clickTime>=0){if(onSeekPlayhead){onSeekPlayhead(clickTime);}else{setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:clickTime}:s));}}const snappedStartBeat=getSnapBeat(clickBeat,snapValue);rulerDragRef.current={startX:e.clientX,startBeat:snappedStartBeat,scrollLeft:e.currentTarget.scrollLeft};const onMove=ev=>{const r=rulerScrollRef.current;if(!r||!rulerDragRef.current)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+rulerDragRef.current.scrollLeft;const rawBeat=Math.max(0,bx/pixelsPerBeat);const beat=getSnapBeat(rawBeat,snapValue);if(Math.abs(ev.clientX-rulerDragRef.current.startX)>5){if(clickInRange){const rangeWidth=loopEndBeat-loopStartBeat;const offset=rulerDragRef.current.startBeat-loopStartBeat;const centerBeat=beat-offset;const halfRange=rangeWidth/2;const newStart=Math.max(0,centerBeat-halfRange);setLoopStartBeat(newStart);setLoopEndBeat(newStart+rangeWidth);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:newStart*beatSec,selectionEnd:(newStart+rangeWidth)*beatSec}:s));}else{const sBeat=Math.max(0,Math.min(rulerDragRef.current.startBeat,beat));const eBeat=Math.max(sBeat+1,Math.max(rulerDragRef.current.startBeat,beat));setLoopStartBeat(sBeat);setLoopEndBeat(eBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:sBeat*beatSec,selectionEnd:eBeat*beatSec}:s));}}};const onUp=()=>{rulerDragRef.current=null;document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}},React.createElement("div",{style:{width:`${viewWidth}px`,height:'100%'},className:"relative h-full font-mono text-[9px] text-zinc-500 font-bold"},renderBarLabels(),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/15 border-l border-r border-emerald-400"},React.createElement("div",{style:{position:'absolute',left:0,top:0,bottom:0,width:'4px',cursor:'ew-resize'},onMouseDown:e=>{e.stopPropagation();const startBeat=loopStartBeat;const onMove=ev=>{const r=rulerScrollRef.current;if(!r)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+r.scrollLeft;const nBeat=Math.max(0,Math.min(loopEndBeat-1,getSnapBeat(bx/pixelsPerBeat,snapValue)));setLoopStartBeat(nBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:nBeat*beatSec}:s));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}}),React.createElement("div",{style:{position:'absolute',right:0,top:0,bottom:0,width:'4px',cursor:'ew-resize'},onMouseDown:e=>{e.stopPropagation();const onMove=ev=>{const r=rulerScrollRef.current;if(!r)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+r.scrollLeft;const nBeat=Math.max(loopStartBeat+1,getSnapBeat(bx/pixelsPerBeat,snapValue));setLoopEndBeat(nBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionEnd:nBeat*beatSec}:s));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}}))))),/* 3. MAIN PIANO ROLL GRID (KEYBOARD + TRACK COL + CANVAS) */React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 relative"},/* Track column */React.createElement("div",{className:"w-[120px] bg-[#16161a] border-r border-zinc-800 shrink-0 flex flex-col z-10",style:{height:KeybedPixelHeight+'px'}},allMidiItems.length>0?function(){var seenTracks={};var els=[];allMidiItems.forEach(function(m){if(seenTracks[m._trackId])return;seenTracks[m._trackId]=true;var track=(activeTracks||[]).find(function(t){return t.id===m._trackId;});var isActive=m._trackId===st.trackId&&m.id===st.target_id;var isPlayOn=activePlayTrackIds&&activePlayTrackIds.indexOf(m._trackId)!==-1;els.push(React.createElement("button",{key:m._trackId,onClick:function(){var prevList=activePlayTrackIds||[];var nextList=prevList.indexOf(m._trackId)!==-1?prevList.filter(function(id){return id!==m._trackId;}):prevList.concat([m._trackId]);setActivePlayTrackIds(nextList);if(onRealtimePlay)onRealtimePlay(nextList);},className:"flex items-center justify-center h-[20px] border border-zinc-600 rounded-md cursor-pointer outline-none mx-1 my-[2px] "+(isActive?'bg-yellow-600 text-black font-bold':isPlayOn?'bg-red-700 text-white font-semibold':'bg-zinc-700 text-zinc-300 hover:bg-zinc-600')},React.createElement("span",{className:"text-[14px] font-sans truncate px-1",title:track?track.name:m._trackName},track?track.name:m._trackName)));});return els;}():null),React.createElement("div",{className:"w-[60px] shrink-0 flex flex-col border-r border-zinc-900 overflow-y-auto",ref:keybedRef,onScroll:handleKeybedScroll,style:{scrollbarWidth:'none',msOverflowStyle:'none'}},renderKeybed()),React.createElement("div",{ref:gridScrollRef,onScroll:handleScroll,className:"flex-1 overflow-auto bg-[#141414] min-w-0"},React.createElement("div",{style:{width:`${viewWidth}px`,height:`${(128-PITCH_START)*NoteHeight}px`},className:"relative"},React.createElement("canvas",{ref:canvasRef,onMouseDown:handleGridMouseDown,onMouseMove:handleGridMouseMove,onMouseUp:handleGridMouseUp,onMouseLeave:handleGridMouseUp,onContextMenu:handleContextMenu,className:"absolute inset-0 cursor-crosshair"}),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/10 border-l border-r border-emerald-400/50 pointer-events-none"})))),/* 4. CC / VELOCITY LANE (ĐẶT Ở ĐÁY) */showCC&&React.createElement("div",{style:{height:`${ccHeight}px`},className:"bg-[#161616] border-t border-zinc-900 flex shrink-0 relative"},React.createElement("div",{onMouseDown:e=>{e.preventDefault();const startY=e.clientY;const startH=ccHeight;const onMove=ev=>{setCcHeight(Math.max(40,startH+startY-ev.clientY));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);},className:"absolute top-0 left-0 right-0 h-1.5 cursor-n-resize z-10 hover:bg-purple-600/30"}),React.createElement("div",{className:"w-[120px] shrink-0"}),React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 flex items-center justify-center text-[10px] text-zinc-500 font-mono shrink-0 font-bold"},ccMode.toUpperCase()),React.createElement("div",{ref:ccWrapperRef,className:"flex-1 overflow-x-hidden min-w-0"},React.createElement("div",{style:{width:`${viewWidth}px`,height:'100%'},className:"relative"},React.createElement("canvas",{ref:ccCanvasRef,onMouseDown:handleCCMouseDown,onMouseMove:handleCCMouseMove,onMouseUp:()=>{if(ccDragRef.current)ccDragRef.current.selectedMode=false;ccDragRef.current=null;},onMouseLeave:()=>{if(ccDragRef.current)ccDragRef.current.selectedMode=false;ccDragRef.current=null;},className:"absolute inset-0"}),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/10 border-l border-r border-emerald-400/50 pointer-events-none"})))),/* 5. OVERLAY / CONTEXT MENU */scaleMenuPos&&renderScaleContextMenu());};const serializeTracksList=(tracksList,secondsPerBar)=>{return(tracksList||[]).map(t=>{let trackType="AUDIO";if(t.type==='MIDI'||t.type==='soundfont'||t.type==='vst3')trackType="MIDI";else if(t.type==='SECTION')trackType="SECTION";else if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";const items=[];if(trackType==="AUDIO"&&t.clips){t.clips.forEach(c=>{const durationSec=c.buffer?c.buffer.duration:4.0;const clipFileId=c.serverFileId||t.serverFileId;items.push({id:c.id,name:c.name||"Audio Clip",type:"AUDIO_ITEM",start_bar:c.startTime/secondsPerBar,duration_bars:durationSec/(c.speed||1.0)/secondsPerBar,clip_start_offset_bars:0.0,source_data:{audio_file_url:clipFileId?`/static/audio/uploads/${clipFileId}`:"",sample_rate:c.buffer?c.buffer.sampleRate:44100,channels:c.buffer?c.buffer.numberOfChannels:2,gain:1.0,server_file_id:clipFileId}});});}else if(trackType==="MIDI"&&t.midiItems){t.midiItems.forEach(m=>{items.push({id:m.id,name:m.name||"MIDI Item",type:"MIDI_ITEM",start_bar:m.startTime/secondsPerBar,duration_bars:m.duration?m.duration/secondsPerBar:4.0,clip_start_offset_bars:0.0,source_data:{total_buffer_bars:m.duration?m.duration/secondsPerBar:8.0,notes:(m.notes||[]).map(n=>({id:n.id||'note_'+Math.random().toString(36).substr(2,9),pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))}});});}else if(trackType==="SECTION"&&t.sections){t.sections.forEach(s=>{items.push({id:s.id,name:s.name||"Section Item",type:"SECTION_ITEM",start_bar:s.start/secondsPerBar,duration_bars:s.duration/secondsPerBar,clip_start_offset_bars:0.0,source_data:{referenced_section_id:s.sectionId||s.id}});});}return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,mastering_bypass:t.masteringBypass||false,instrument_id:t.instrumentId||null,instrument_program:t.instrumentProgram!==undefined?t.instrumentProgram:null,instrument_name:t.instrumentName||null,instrument_source:t.instrument_source||(t.synth_engine?t.synth_engine.type:null),soundfont_id:t.soundfont_id||(t.synth_engine?t.synth_engine.soundfont_id:null),soundfont_bank:t.soundfont_bank!==undefined?t.soundfont_bank:t.synth_engine?t.synth_engine.soundfont_bank:null,soundfont_program:t.soundfont_program!==undefined?t.soundfont_program:t.synth_engine?t.synth_engine.soundfont_program:null,synth_engine:t.synth_engine||undefined,midi_channel:t.midiChannel!==undefined?t.midiChannel:null,server_file_id:t.serverFileId||null,items:items};});};const deserializeTracksList=(schemaTracks,secondsPerBar,sectionStore)=>{return(schemaTracks||[]).map(t=>{const clips=[];const sections=[];const midiItems=[];(t.items||[]).forEach(item=>{if(item.type==="AUDIO_ITEM"){const src=item.source_data||{};const clipFileId=src.server_file_id||(src.audio_file_url?src.audio_file_url.split('/').pop():null)||null;clips.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,speed:1.0,duration:item.duration_bars*secondsPerBar,serverFileId:clipFileId});}else if(item.type==="MIDI_ITEM"){const src=item.source_data||{};midiItems.push({id:item.id,name:item.name,parent_track_id:t.id,startTime:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,length_bars:item.duration_bars||4,notes:(src.notes||[]).map(n=>({id:n.id,pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))});}else if(item.type==="SECTION_ITEM"){const src=item.source_data||{};const secId=src.referenced_section_id;const secContainer=sectionStore?sectionStore[secId]:null;sections.push({id:item.id,name:item.name,start:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,length_bars:item.duration_bars||4,sectionId:secId,tracks:secContainer?deserializeTracksList(secContainer.tracks,secondsPerBar,sectionStore):null});}});return{id:t.id,name:t.name,type:t.type==='MIDI'?'MIDI':t.type==='SECTION'?'SECTION':'audio',volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,masteringBypass:t.mastering_bypass||false,color:t.color||(t.id==='1'?'#0f766e':'#1d4ed8'),startTime:t.start_time||0,height:t.height||140,markers:t.markers||[],serverFileId:t.server_file_id||t.items&&t.items.find(function(i){return i.type==='AUDIO_ITEM';})?.source_data?.server_file_id||t.items&&t.items.find(function(i){return i.type==='AUDIO_ITEM';})?.source_data?.audio_file_url?.split('/').pop()||null,channelInfo:t.channel_info||null,isArmed:t.is_armed||false,monitoringEnabled:t.monitoring_enabled!==false,inputSource:t.input_source?{deviceType:t.input_source.device_type||'NONE',deviceId:t.input_source.device_id||''}:{deviceType:'NONE',deviceId:''},midiChannel:t.midi_channel!=null?t.midi_channel:undefined,is_percussion:t.is_percussion||false,clips:clips,sections:sections,midiItems:midiItems,instrumentId:t.instrumentId!=null?t.instrumentId:t.instrument_id||null,instrumentProgram:t.instrumentProgram!==undefined&&t.instrumentProgram!==null?t.instrumentProgram:t.instrument_program!==null?t.instrument_program:undefined,instrumentName:t.instrument_name||null,instrument_source:t.instrument_source||null,soundfont_id:t.soundfont_id||null,soundfont_bank:t.soundfont_bank!==null?t.soundfont_bank:undefined,soundfont_program:t.soundfont_program!==null?t.soundfont_program:undefined,synth_engine:t.synth_engine||undefined};});};const serializeProjectToSchema=(projectId,name,bpmVal,tracksList,subTabsList,sessionTabsList,masteringSettings)=>{const secondsPerBar=60.0/parseFloat(bpmVal||120)*4;const mainTracks=serializeTracksList(tracksList,secondsPerBar);const sectionStore={};// Helper: compute length_bars from tracks content +const minOrigStart=Math.min(...draggedNote.selectedNotesOffset.map(o=>o.originalStartBeat));const clampedDeltaBeat=minOrigStart+deltaBeat<0?-minOrigStart:deltaBeat;const deltaPitch=Math.round(pitch-draggedNote.startOffsetPitch);setNotes(prev=>prev.map(n=>{const offset=draggedNote.selectedNotesOffset.find(o=>o.id===n.id);if(!offset)return n;return{...n,start_beat:getSnapBeat(Math.max(0,offset.originalStartBeat+clampedDeltaBeat),snapValue),pitch:Math.max(0,Math.min(127,offset.originalPitch+deltaPitch))};}));}};const handleGridMouseUp=()=>{if(draggedNote&&draggedNote.mode==='draw'){const dn=draggedNote;const brushIds=dn.brushIds||[];const lastBrushId=brushIds.length>0?brushIds[brushIds.length-1]:dn.drawNoteId;if(lastBrushId){const lastNote=notes.find(n=>n.id===lastBrushId);if(lastNote)lastNoteDurationRef.current=lastNote.duration_beats;}}setDraggedNote(null);setSelectionMarquee(null);rightClickDragRef.current={active:false,startX:0,startY:0};if(brushAutoScrollRef.current){clearInterval(brushAutoScrollRef.current.id);brushAutoScrollRef.current=null;}stopPreviewNote();previewPitchRef.current=null;};const handleContextMenu=e=>{e.preventDefault();if(swallowContextMenuRef.current){swallowContextMenuRef.current=false;return;}const pos={x:e.clientX,y:e.clientY,parentKey:null};scaleMenuOriginRef.current={x:pos.x,y:pos.y};setScaleMenuPos(pos);};const ccDragRef=React.useRef(null);const brushAutoScrollRef=React.useRef(null);const rightClickDragRef=React.useRef({active:false,startX:0,startY:0});const swallowContextMenuRef=React.useRef(false);const findCCNoteIndex=(b,mouseY,ccH)=>{const snapped=getSnapBeat(b,snapValue);const hits=[];notes.forEach((n,idx)=>{if(snapped>=n.start_beat&&snapped<=n.start_beat+n.duration_beats){const nv=ccMode==='pan'?(n.pan||0)*0.5+0.5:n.velocity!==undefined?n.velocity:0.8;const stemTop=ccH-(nv*(ccH-20)+10);hits.push({idx,dist:Math.abs(stemTop-mouseY)});}});if(hits.length>0){hits.sort((a,b)=>a.dist-b.dist);return hits[0].idx;}let nearest=-1;let minDist=Infinity;notes.forEach((n,idx)=>{const center=n.start_beat+n.duration_beats/2;const d=Math.abs(center-snapped);if(d{const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat-renderBeatOffset;const noteIdx=findCCNoteIndex(beat,y,h);const val=Math.max(0,Math.min(1,(h-y)/h));if(e.ctrlKey){if(selectedNoteIds.length>0){const cursorNoteIdx=findCCNoteIndex(beat,y,h);if(cursorNoteIdx!==-1&&selectedNoteIds.includes(notes[cursorNoteIdx]?notes[cursorNoteIdx].id:-1)){const currentNote=notes[cursorNoteIdx];const currentVal=ccMode==='pan'?(currentNote.pan||0)/2.0+0.5:currentNote.velocity!==undefined?currentNote.velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==cursorNoteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}ccDragRef.current={active:true,lastBeat:beat,selectedMode:true,lastPainted:[cursorNoteIdx]};}else{ccDragRef.current={active:true,lastBeat:beat,selectedMode:true,lastPainted:[]};}}else{ccDragRef.current={active:true,lastBeat:beat,lastPainted:noteIdx!==-1?[noteIdx]:[]};}return;}if(noteIdx!==-1){const currentVal=ccMode==='pan'?(notes[noteIdx].pan||0)/2.0+0.5:notes[noteIdx].velocity!==undefined?notes[noteIdx].velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==noteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}}};const handleCCMouseMove=e=>{if(!ccDragRef.current||!ccDragRef.current.active)return;const canvas=ccCanvasRef.current;if(!canvas)return;const rect=canvas.getBoundingClientRect();const x=e.clientX-rect.left;const y=e.clientY-rect.top;const h=rect.height;const beat=x/pixelsPerBeat-renderBeatOffset;const val=Math.max(0,Math.min(1,(h-y)/h));const drag=ccDragRef.current;const painted=drag.lastPainted||[];if(drag.selectedMode&&selectedNoteIds.length>0){const cursorNoteIdx=findCCNoteIndex(beat,y,h);if(cursorNoteIdx!==-1){const cursorNote=notes[cursorNoteIdx];if(cursorNote&&selectedNoteIds.includes(cursorNote.id)&&!painted.includes(cursorNoteIdx)){const currentVal=ccMode==='pan'?(cursorNote.pan||0)/2.0+0.5:cursorNote.velocity!==undefined?cursorNote.velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==cursorNoteIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}drag.lastPainted=[...painted,cursorNoteIdx];}}return;}const candidateIdx=findCCNoteIndex(beat,y,h);if(candidateIdx!==-1&&!painted.includes(candidateIdx)){const currentVal=ccMode==='pan'?(notes[candidateIdx].pan||0)/2.0+0.5:notes[candidateIdx].velocity!==undefined?notes[candidateIdx].velocity:0.8;if(Math.abs(currentVal-val)>0.001){const updatedNotes=notes.map((n,i)=>{if(i!==candidateIdx)return n;if(ccMode==='pan')return{...n,pan:(val-0.5)*2.0};return{...n,velocity:val};});setNotes(updatedNotes);if(isPlaying&&onRescheduleMidi)onRescheduleMidi(updatedNotes);}drag.lastPainted=[...painted,candidateIdx];}};const renderKeybed=()=>{var kbTrk=activeTracks.find(function(t){return t.id===st.trackId;});var kbCh=kbTrk?assignTrackMidiChannel(kbTrk,activeTracks):0;var kbSynth=kbTrk?kbTrk.synth_engine:undefined;const keys=[];for(let pitch=127;pitch>=PITCH_START;pitch--){const isBlack=[1,3,6,8,10].includes(pitch%12);const notesArray=['C','C#','D','D#','E','F','F#','G','G#','A','A#','B'];const octave=Math.floor(pitch/12)-1;const label=`${notesArray[pitch%12]}${octave}`;const showLabel=pitch%12===0;keys.push(/*#__PURE__*/React.createElement("div",{key:pitch,style:{height:`${NoteHeight}px`},className:`w-[60px] shrink-0 border-b border-zinc-800 text-[9px] font-bold flex items-center justify-end pr-2 transition cursor-pointer ${activeMidiPitches&&activeMidiPitches.has(pitch)?'bg-emerald-500 text-white border-emerald-400':isBlack?'bg-zinc-950 text-slate-500 border-zinc-900 hover:bg-zinc-800':'bg-white text-zinc-800 border-r border-zinc-400 hover:bg-amber-100'}`,onMouseDown:e=>{e.stopPropagation();keybedMouseDownRef.current=true;try{if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(st.trackId,100);}if(window.SonicSF){window.SonicSF.playNote(pitch,100,500,undefined,st.instrumentProgram,null,kbCh,kbSynth);}}catch(err){console.error('playNote error:',err);}},onMouseEnter:e=>{if(keybedMouseDownRef.current){try{if(window.triggerMidiVuActivity){window.triggerMidiVuActivity(st.trackId,100);}if(window.SonicSF){window.SonicSF.playNote(pitch,100,200,undefined,st.instrumentProgram,null,kbCh,kbSynth);}}catch(err){console.error('playNote error:',err);}}},onMouseUp:()=>{keybedMouseDownRef.current=false;}},showLabel&&label));}return keys;};const handleScroll=e=>{if(keybedRef.current){keybedRef.current.scrollTop=e.currentTarget.scrollTop;}if(rulerScrollRef.current){rulerScrollRef.current.scrollLeft=e.currentTarget.scrollLeft;}if(ccWrapperRef.current){ccWrapperRef.current.scrollLeft=e.currentTarget.scrollLeft;}const el=e.currentTarget;const THRESHOLD=200;if(el.scrollLeft+el.clientWidth>=el.scrollWidth-THRESHOLD){const newBeats=rollBeatsRef.current+16;setRollBeats(newBeats);}};const handleKeybedScroll=e=>{if(gridScrollRef.current){gridScrollRef.current.scrollTop=e.currentTarget.scrollTop;}};const SCALES={"None":null,"Diatonic":{"Major":[0,2,4,5,7,9,11],"Minor":[0,2,3,5,7,8,10],"Dorian":[0,2,3,5,7,9,10],"Phrygian":[0,1,3,5,7,8,10],"Lydian":[0,2,4,6,7,9,11],"Mixolydian":[0,2,4,5,7,9,10],"Locrian":[0,1,3,5,6,8,10]},"Pentatonic":{"Major":[0,2,4,7,9],"Minor":[0,3,5,7,10],"Blues":[0,3,5,6,7,10],"Chinese":[0,2,4,7,9],"Vietnam":[0,2,6,7,10],"India":[0,2,5,7,9],"Japan":[0,2,5,7,9],"Africa":[0,3,5,7,10]},"Church":{"Dorian":[0,2,3,5,7,9,10],"Phrygian":[0,1,3,5,7,8,10],"Lydian":[0,2,4,6,7,9,11],"Mixolydian":[0,2,4,5,7,9,10]},"Jazz":{"Blues":[0,3,5,6,7,10],"Bebop":[0,2,4,5,7,9,10,11],"Diminished":[0,2,3,5,6,8,9,11]},"Asian Traditional":{"Chinese":[0,2,4,7,9],"Vietnam":[0,2,6,7,10],"Japan":[0,2,5,7,9],"India":[0,2,5,7,9],"Gamelan":[0,2,4,7,9],"Korea":[0,2,4,5,7,9]},"Middle Eastern":{"Hijaz":[0,1,4,5,7,8,11],"Nikriz":[0,1,4,5,7,8,10],"Rast":[0,2,4,5,7,8,10],"Saba":[0,1,3,4,7,8,10],"Bayati":[0,2,3,4,7,8,10]}};const[selectedScale,setSelectedScale]=React.useState(null);const selectedScaleRef=React.useRef(null);selectedScaleRef.current=selectedScale;const snapToScaleRef=React.useRef(true);snapToScaleRef.current=st.snapToScale!==undefined?st.snapToScale:true;const[scaleMenuPos,setScaleMenuPos]=React.useState(null);const scaleMenuOriginRef=React.useRef(null);const[showCC,setShowCC]=React.useState(true);const[ccHeight,setCcHeight]=React.useState(80);const snapPitchToScale=(pitch,scale)=>{if(!scale)return pitch;const octave=Math.floor(pitch/12);const noteInOctave=pitch%12;if(scale.includes(noteInOctave))return pitch;let best=noteInOctave;let minDist=12;scale.forEach(s=>{const dist=Math.abs(s-noteInOctave);if(dist{const closeMenu=()=>setScaleMenuPos(null);const origin=scaleMenuOriginRef.current||scaleMenuPos;const items=[];let subMenu=null;const isSameScale=(a,b)=>{if(!a||!b)return a===b;if(a.length!==b.length)return false;return a.every((v,i)=>v===b[i]);};const pushItem=(label,onClick,onHover)=>{const isActive=onClick._scale&&isSameScale(onClick._scale,selectedScale);items.push(React.createElement("div",{key:label,onClick:()=>{onClick();closeMenu();},onMouseEnter:onHover||undefined,className:"px-3 py-1.5 text-xs cursor-pointer hover:bg-amber-600 hover:text-white whitespace-nowrap "+(isActive?"bg-amber-800/40 text-amber-300":"text-zinc-300")},label));};Object.keys(SCALES).forEach(key=>{const val=SCALES[key];if(val===null){pushItem("None",()=>setSelectedScale(null));return;}if(Array.isArray(val)){pushItem(key,()=>setSelectedScale(val));}else{const parentKey=key;const isOpen=scaleMenuPos&&scaleMenuPos.parentKey===parentKey;pushItem(key+" ▸",()=>setSelectedScale(null),()=>{setScaleMenuPos({x:origin.x,y:origin.y,parentKey});});if(isOpen){const subs=[];Object.keys(val).forEach(subKey=>{subs.push(React.createElement("div",{key:subKey,onClick:()=>{setSelectedScale(val[subKey]);closeMenu();},className:"px-3 py-1.5 text-xs cursor-pointer hover:bg-amber-600 hover:text-white whitespace-nowrap "+(isSameScale(val[subKey],selectedScale)?"bg-amber-800/40 text-amber-300":"text-zinc-300")},subKey));});var subH=subs.length*30+16;var subTop=origin.y+subH+20>window.innerHeight?origin.y-subH:origin.y;subMenu=React.createElement("div",{style:{position:"fixed",left:origin.x+150,top:subTop,zIndex:10000},className:"bg-[#2a2a2a] border border-zinc-600 rounded shadow-xl py-1 min-w-[120px]"},...subs);}}});var menuH=items.length*30+16;var menuTop=origin.y+menuH+20>window.innerHeight?Math.max(10,origin.y-menuH):origin.y;return React.createElement(React.Fragment,null,React.createElement("div",{style:{position:"fixed",left:origin.x,top:menuTop,zIndex:9999},className:"bg-[#2a2a2a] border border-zinc-600 rounded shadow-xl py-1 min-w-[140px]"},...items),subMenu);};const renderBarLabels=()=>{const labels=[];const barsCount=Math.ceil(viewBeats/4);const barOffset=Math.floor(sessionStartBar);for(let bar=0;bar{e.stopPropagation();const barTime=bar*4*beatSec;setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:barTime}:s));}},`Bar ${displayBar}`));}return labels;};const beatSec=60.0/(parseInt(bpm)||120);const playHeadX=(st.currentTime||0)/beatSec*pixelsPerBeat;return React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 bg-[#1e1e1e] flex-col h-full"},/* 1. TOOLBAR HEADER */React.createElement("div",{className:"h-10 bg-[#282828] border-b border-zinc-900 flex items-center justify-between px-4 shrink-0 text-slate-200"},React.createElement("div",{className:"flex items-center gap-4"},React.createElement("select",{value:st.trackId||'',onChange:function(e){var trkId=e.target.value;var trkSel=(activeTracks||[]).find(function(t){return t.id===trkId;});if(trkSel&&trkSel.midiItems&&trkSel.midiItems.length)handleSwitchMidiItem(trkSel.midiItems[0].id);},className:"bg-zinc-800 border border-zinc-700 text-yellow-500 font-bold text-xs rounded px-1.5 py-0.5 outline-none focus:border-yellow-500 max-w-[180px] uppercase"},function(){var seenTrackOpts={};var trackOpts=[];(activeTracks||[]).forEach(function(t){if(!t.midiItems||!t.midiItems.length)return;if(seenTrackOpts[t.id])return;seenTrackOpts[t.id]=true;trackOpts.push(React.createElement("option",{key:t.id,value:t.id},t.name||t.id));});return trackOpts;}()),activeParentTrackName?React.createElement("span",{className:"text-[9px] text-zinc-500 ml-1"},"(Belongs to: ",React.createElement("span",{className:"text-zinc-400 font-semibold"},activeParentTrackName),")"):null,React.createElement("div",{className:"flex items-center gap-1 text-xs"},React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap to Scale"),React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,snapToScale:!(s.snapToScale!==undefined?s.snapToScale:true)}:s)),className:`w-7 h-4 rounded-full transition-colors relative ${(st.snapToScale!==undefined?st.snapToScale:true)?'bg-yellow-600':'bg-zinc-700'}`,style:{padding:0}},React.createElement("div",{className:`w-3 h-3 rounded-full bg-white absolute top-0.5 transition-transform ${(st.snapToScale!==undefined?st.snapToScale:true)?'translate-x-3.5':'translate-x-0.5'}`}))),React.createElement("div",{className:"flex items-center gap-1 text-xs"},React.createElement("span",{className:"text-zinc-500 font-semibold"},"Snap:"),React.createElement("select",{value:snapValue,onChange:e=>{onSnapChange(e.target.value);setRenderTick(t=>t+1);},className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1.5 py-0.5 outline-none focus:border-yellow-500"},['free','4','1','1/2','1/4','1/8','1/16','1/32'].map(v=>React.createElement("option",{key:v,value:v},v)))),React.createElement("button",{onClick:()=>setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,isArmed:!s.isArmed}:s)),className:`px-2 py-1 rounded text-xs font-bold ${st.isArmed?'bg-red-600 text-white':'bg-zinc-800 text-zinc-400'}`},"ARM"),React.createElement("select",{value:selectedMidiInputId||'',onChange:e=>onMidiInputSelect(e.target.value),className:"bg-zinc-800 border border-zinc-700 text-zinc-300 rounded px-1 py-0.5 text-xs outline-none max-w-[100px]"},React.createElement("option",{value:""},"Input"),React.createElement("option",{value:"ALL"},"Omni"),(midiDevices||[]).map(d=>React.createElement("option",{key:d.id,value:d.id},d.name||d.id))),React.createElement("button",{onClick:()=>onInstrumentSelect&&onInstrumentSelect(st.trackId),title:st.instrumentName||"Synth",className:`px-1.5 py-0.5 text-[10px] rounded font-mono font-bold border transition flex items-center gap-0.5 max-w-[70px] ${st.instrumentName?'bg-violet-900 text-violet-300 border-violet-700':'bg-zinc-800 text-zinc-500 border-transparent hover:text-zinc-300'}`},React.createElement("i",{"data-lucide":"music",className:"w-3 h-3 shrink-0"}),React.createElement("span",{className:"truncate text-[9px]"},activeParentTrackName?'('+activeParentTrackName+') '+(st.instrumentName||'Synth'):st.instrumentName||'Synth')),React.createElement("div",{className:"flex items-center gap-1 ml-1 text-xs"},React.createElement("span",{className:"text-zinc-500"},"AI:"),React.createElement("input",{type:"number",value:aiBarStart,onChange:e=>setAiBarStart(parseInt(e.target.value)||0),className:"w-8 bg-zinc-900 border border-zinc-700 text-zinc-200 rounded px-1 py-0.5 text-xs text-center"}),React.createElement("span",{className:"text-zinc-500"},"-"),React.createElement("input",{type:"number",value:aiBarEnd,onChange:e=>setAiBarEnd(parseInt(e.target.value)||1),className:"w-8 bg-zinc-900 border border-zinc-700 text-zinc-200 rounded px-1 py-0.5 text-xs text-center"}),React.createElement("span",{className:"text-zinc-500"},"bar")),React.createElement("select",{value:ccMode,onChange:e=>setCcMode(e.target.value),className:"bg-zinc-800 text-zinc-200 border border-zinc-700 rounded px-1.5 py-1 text-xs capitalize cursor-pointer"},React.createElement("option",{value:"velocity"},"Velocity"),React.createElement("option",{value:"sustain"},"Sustain"),React.createElement("option",{value:"modulation"},"Modulation"),React.createElement("option",{value:"pitch_bend"},"Pitch Bend"),React.createElement("option",{value:"pan"},"Pan"))),React.createElement("button",{onClick:()=>setShowCC(!showCC),className:`px-2 py-1 rounded text-xs ${showCC?'bg-purple-900/60 text-purple-300 border border-purple-700':'text-zinc-500 hover:text-zinc-300'}`},ccMode==='velocity'?'Vel':ccMode==='sustain'?'Sus':ccMode==='modulation'?'Mod':ccMode==='pitch_bend'?'Bend':ccMode==='pan'?'Pan':'CC'),React.createElement("button",{onClick:function(){setSessionSyncMode(function(p){return!p;});},className:function(){var base='px-2 py-1 rounded text-xs ';return sessionSyncMode?base+'bg-cyan-900/60 text-cyan-300 border border-cyan-700':base+'text-zinc-500 hover:text-zinc-300';}(),title:sessionSyncMode?"Session-synced mode (ghost visible)":"Isolated mode (bar 0, no ghost)"},sessionSyncMode?"\uD83C\uDF10 Session":"\uD83D\uDCCB Isolated"),React.createElement("button",{onClick:function(){setShowGhostNotes(function(p){return!p;});},disabled:!sessionSyncMode,className:function(){if(!sessionSyncMode)return'px-2 py-1 rounded text-xs opacity-30 cursor-not-allowed';var base='px-2 py-1 rounded text-xs ';return showGhostNotes?base+'bg-purple-900/60 text-purple-300 border border-purple-700':base+'text-zinc-500 hover:text-zinc-300';}(),title:"Toggle ghost notes visibility"},"\uD83D\uDC7B Ghost"),React.createElement("div",{className:"flex items-center gap-1"},React.createElement("button",{onClick:()=>onSaveNotes(st.id,st.trackId,st.target_id,notes),className:"px-2.5 py-1 bg-emerald-600 hover:bg-emerald-500 text-white rounded text-xs flex items-center gap-1 transition font-semibold"},React.createElement("i",{"data-lucide":"save",className:"w-3 h-3"}),"Lưu"),React.createElement("button",{onClick:()=>{const ppq=480;const bpmNum=parseInt(bpm)||120;const ticksPerBeat=ppq;const events=[];(notes||[]).forEach(n=>{const startTick=Math.round((n.start_beat||0)*ticksPerBeat);const durTick=Math.round((n.duration_beats||1)*ticksPerBeat);const pitch=n.pitch||60;const vel=Math.round((n.velocity||0.8)*127);events.push({tick:startTick,type:'note_on',pitch,velocity:vel});events.push({tick:startTick+durTick,type:'note_off',pitch,velocity:0});});events.sort((a,b)=>a.tick-b.tick||(a.type==='note_off'?-1:1));const writeVLQ=(bytes,v)=>{let val=Math.max(0,v);const buf=[];buf.push(val&0x7F);while(val>0x7F){val>>=7;buf.push(0x80|val&0x7F);}for(let i=buf.length-1;i>=0;i--)bytes.push(buf[i]);};const trackBytes=[];let lastTick=0;events.forEach(ev=>{const delta=Math.max(0,ev.tick-lastTick);writeVLQ(trackBytes,delta);trackBytes.push(ev.type==='note_on'?0x90:0x80,ev.pitch,ev.velocity);lastTick=ev.tick;});writeVLQ(trackBytes,0);trackBytes.push(0xFF,0x2F,0x00);const trackData=[0x4D,0x54,0x72,0x6B];const len=trackBytes.length;trackData.push(len>>24&0xFF,len>>16&0xFF,len>>8&0xFF,len&0xFF);trackData.push(...trackBytes);const header=[0x4D,0x54,0x68,0x64,0x00,0x00,0x00,0x06,0x00,0x01,0x00,0x01,ppq>>8&0xFF,ppq&0xFF];const all=header.concat(trackData);const blob=new Blob([new Uint8Array(all)],{type:'audio/midi'});const url=URL.createObjectURL(blob);const a=document.createElement('a');a.href=url;a.download=(st.label||'midi')+'.mid';document.body.appendChild(a);a.click();document.body.removeChild(a);URL.revokeObjectURL(url);showToast('Đã xuất file MIDI!','success');},className:"px-2.5 py-1 bg-amber-700 hover:bg-amber-600 text-white rounded text-xs flex items-center gap-1 transition font-semibold"},React.createElement("i",{"data-lucide":"file-down",className:"w-3 h-3"}),"Export"),React.createElement("button",{onClick:onClose,className:"px-2.5 py-1 bg-zinc-800 hover:bg-zinc-700 text-zinc-300 border border-zinc-700 rounded text-xs flex items-center gap-1 transition"},React.createElement("i",{"data-lucide":"x",className:"w-3 h-3"}),"Đóng"))),/* 2. BAR RULER */React.createElement("div",{className:"h-6 bg-[#1a1a1f] border-b border-zinc-900 flex shrink-0"},React.createElement("div",{className:"w-[120px] bg-[#1e1e22] border-r border-zinc-800 shrink-0 flex items-end"},React.createElement("span",{className:"text-[8px] text-zinc-600 font-mono px-1.5 pb-0.5 uppercase tracking-wider"},"Tracks")),React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 shrink-0"}),React.createElement("div",{ref:rulerScrollRef,className:"flex-1 overflow-hidden",onMouseDown:e=>{const rect=e.currentTarget.getBoundingClientRect();const x=e.clientX-rect.left+e.currentTarget.scrollLeft;const clickBeat=x/pixelsPerBeat;const clickTime=clickBeat*beatSec;const clickInRange=loopStartBeat!==null&&loopEndBeat!==null&&clickBeat>=loopStartBeat&&clickBeat<=loopEndBeat;if(e.ctrlKey||e.metaKey){setLoopStartBeat(null);setLoopEndBeat(null);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:null,selectionEnd:null}:s));return;}if(e.shiftKey){const beatSnap=getSnapBeat(clickBeat,snapValue);if(loopStartBeat===null){setLoopStartBeat(Math.max(0,beatSnap-4));setLoopEndBeat(Math.max(4,beatSnap));}else{setLoopEndBeat(Math.max(loopStartBeat+4,beatSnap));}return;}if(clickTime>=0){if(onSeekPlayhead){onSeekPlayhead(clickTime);}else{setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,currentTime:clickTime}:s));}}const snappedStartBeat=getSnapBeat(clickBeat,snapValue);rulerDragRef.current={startX:e.clientX,startBeat:snappedStartBeat,scrollLeft:e.currentTarget.scrollLeft};const onMove=ev=>{const r=rulerScrollRef.current;if(!r||!rulerDragRef.current)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+rulerDragRef.current.scrollLeft;const rawBeat=Math.max(0,bx/pixelsPerBeat);const beat=getSnapBeat(rawBeat,snapValue);if(Math.abs(ev.clientX-rulerDragRef.current.startX)>5){if(clickInRange){const rangeWidth=loopEndBeat-loopStartBeat;const offset=rulerDragRef.current.startBeat-loopStartBeat;const centerBeat=beat-offset;const halfRange=rangeWidth/2;const newStart=Math.max(0,centerBeat-halfRange);setLoopStartBeat(newStart);setLoopEndBeat(newStart+rangeWidth);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:newStart*beatSec,selectionEnd:(newStart+rangeWidth)*beatSec}:s));}else{const sBeat=Math.max(0,Math.min(rulerDragRef.current.startBeat,beat));const eBeat=Math.max(sBeat+1,Math.max(rulerDragRef.current.startBeat,beat));setLoopStartBeat(sBeat);setLoopEndBeat(eBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:sBeat*beatSec,selectionEnd:eBeat*beatSec}:s));}}};const onUp=()=>{rulerDragRef.current=null;document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}},React.createElement("div",{style:{width:`${viewWidth}px`,height:'100%'},className:"relative h-full font-mono text-[9px] text-zinc-500 font-bold"},renderBarLabels(),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/15 border-l border-r border-emerald-400"},React.createElement("div",{style:{position:'absolute',left:0,top:0,bottom:0,width:'4px',cursor:'ew-resize'},onMouseDown:e=>{e.stopPropagation();const startBeat=loopStartBeat;const onMove=ev=>{const r=rulerScrollRef.current;if(!r)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+r.scrollLeft;const nBeat=Math.max(0,Math.min(loopEndBeat-1,getSnapBeat(bx/pixelsPerBeat,snapValue)));setLoopStartBeat(nBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionStart:nBeat*beatSec}:s));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}}),React.createElement("div",{style:{position:'absolute',right:0,top:0,bottom:0,width:'4px',cursor:'ew-resize'},onMouseDown:e=>{e.stopPropagation();const onMove=ev=>{const r=rulerScrollRef.current;if(!r)return;const rRect=r.getBoundingClientRect();const bx=ev.clientX-rRect.left+r.scrollLeft;const nBeat=Math.max(loopStartBeat+1,getSnapBeat(bx/pixelsPerBeat,snapValue));setLoopEndBeat(nBeat);setSubTabs(prev=>prev.map(s=>s.id===st.id?{...s,selectionEnd:nBeat*beatSec}:s));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);}}))))),/* 3. MAIN PIANO ROLL GRID (KEYBOARD + TRACK COL + CANVAS) */React.createElement("div",{className:"flex-1 flex overflow-hidden min-h-0 relative"},/* Track column */React.createElement("div",{className:"w-[120px] bg-[#16161a] border-r border-zinc-800 shrink-0 flex flex-col z-10",style:{height:KeybedPixelHeight+'px'}},allMidiItems.length>0?function(){var seenTracks={};var els=[];allMidiItems.forEach(function(m){if(seenTracks[m._trackId])return;seenTracks[m._trackId]=true;var track=(activeTracks||[]).find(function(t){return t.id===m._trackId;});var isActive=m._trackId===st.trackId&&m.id===st.target_id;var isPlayOn=activePlayTrackIds&&activePlayTrackIds.indexOf(m._trackId)!==-1;els.push(React.createElement("button",{key:m._trackId,onClick:function(){var prevList=activePlayTrackIds||[];var nextList=prevList.indexOf(m._trackId)!==-1?prevList.filter(function(id){return id!==m._trackId;}):prevList.concat([m._trackId]);setActivePlayTrackIds(nextList);if(onRealtimePlay)onRealtimePlay(nextList);},className:"flex items-center justify-center h-[20px] border border-zinc-600 rounded-md cursor-pointer outline-none mx-1 my-[2px] "+(isActive?'bg-yellow-600 text-black font-bold':isPlayOn?'bg-red-700 text-white font-semibold':'bg-zinc-700 text-zinc-300 hover:bg-zinc-600')},React.createElement("span",{className:"text-[14px] font-sans truncate px-1",title:track?track.name:m._trackName},track?track.name:m._trackName)));});return els;}():null),React.createElement("div",{className:"w-[60px] shrink-0 flex flex-col border-r border-zinc-900 overflow-y-auto",ref:keybedRef,onScroll:handleKeybedScroll,style:{scrollbarWidth:'none',msOverflowStyle:'none'}},renderKeybed()),React.createElement("div",{ref:gridScrollRef,onScroll:handleScroll,className:"flex-1 overflow-auto bg-[#141414] min-w-0"},React.createElement("div",{style:{width:`${viewWidth}px`,height:`${(128-PITCH_START)*NoteHeight}px`},className:"relative"},React.createElement("canvas",{ref:canvasRef,onMouseDown:handleGridMouseDown,onMouseMove:handleGridMouseMove,onMouseUp:handleGridMouseUp,onMouseLeave:handleGridMouseUp,onContextMenu:handleContextMenu,className:"absolute inset-0 cursor-crosshair"}),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/10 border-l border-r border-emerald-400/50 pointer-events-none"})))),/* 4. CC / VELOCITY LANE (ĐẶT Ở ĐÁY) */showCC&&React.createElement("div",{style:{height:`${ccHeight}px`},className:"bg-[#161616] border-t border-zinc-900 flex shrink-0 relative"},React.createElement("div",{onMouseDown:e=>{e.preventDefault();const startY=e.clientY;const startH=ccHeight;const onMove=ev=>{setCcHeight(Math.max(40,startH+startY-ev.clientY));};const onUp=()=>{document.removeEventListener('mousemove',onMove);document.removeEventListener('mouseup',onUp);};document.addEventListener('mousemove',onMove);document.addEventListener('mouseup',onUp);},className:"absolute top-0 left-0 right-0 h-1.5 cursor-n-resize z-10 hover:bg-purple-600/30"}),React.createElement("div",{className:"w-[120px] shrink-0"}),React.createElement("div",{className:"w-[60px] bg-[#222222] border-r border-zinc-900 flex items-center justify-center text-[10px] text-zinc-500 font-mono shrink-0 font-bold"},ccMode.toUpperCase()),React.createElement("div",{ref:ccWrapperRef,className:"flex-1 overflow-x-hidden min-w-0"},React.createElement("div",{style:{width:`${viewWidth}px`,height:'100%'},className:"relative"},React.createElement("canvas",{ref:ccCanvasRef,onMouseDown:handleCCMouseDown,onMouseMove:handleCCMouseMove,onMouseUp:()=>{if(ccDragRef.current)ccDragRef.current.selectedMode=false;ccDragRef.current=null;},onMouseLeave:()=>{if(ccDragRef.current)ccDragRef.current.selectedMode=false;ccDragRef.current=null;},className:"absolute inset-0"}),loopStartBeat!==null&&loopEndBeat!==null&&loopEndBeat>loopStartBeat&&React.createElement("div",{style:{left:`${loopStartBeat*pixelsPerBeat}px`,width:`${(loopEndBeat-loopStartBeat)*pixelsPerBeat}px`,top:0,bottom:0},className:"absolute bg-emerald-500/10 border-l border-r border-emerald-400/50 pointer-events-none"})))),/* 5. OVERLAY / CONTEXT MENU */scaleMenuPos&&renderScaleContextMenu());};const serializeTracksList=(tracksList,secondsPerBar)=>{return(tracksList||[]).map(t=>{let trackType="AUDIO";if(t.type==='MIDI'||t.type==='soundfont'||t.type==='vst3')trackType="MIDI";else if(t.type==='SECTION')trackType="SECTION";else if(t.sections&&t.sections.length>0)trackType="SECTION";else if(t.midiItems&&t.midiItems.length>0)trackType="MIDI";const items=[];// Serialize EVERY item type present on the track (a track can hold audio +// clips + MIDI items + section items at once). The old if/else-if chain +// dropped all but one type per track — silent data loss on save. +if(t.clips&&t.clips.length>0){t.clips.forEach(c=>{const durationSec=c.buffer?c.buffer.duration:4.0;const clipFileId=c.serverFileId||t.serverFileId;items.push({id:c.id,name:c.name||"Audio Clip",type:"AUDIO_ITEM",start_bar:c.startTime/secondsPerBar,duration_bars:durationSec/(c.speed||1.0)/secondsPerBar,clip_start_offset_bars:0.0,source_data:{audio_file_url:clipFileId?`/static/audio/uploads/${clipFileId}`:"",sample_rate:c.buffer?c.buffer.sampleRate:44100,channels:c.buffer?c.buffer.numberOfChannels:2,gain:1.0,server_file_id:clipFileId}});});}if(t.midiItems&&t.midiItems.length>0){t.midiItems.forEach(m=>{items.push({id:m.id,name:m.name||"MIDI Item",type:"MIDI_ITEM",start_bar:m.startTime/secondsPerBar,duration_bars:m.duration?m.duration/secondsPerBar:4.0,clip_start_offset_bars:0.0,source_data:{total_buffer_bars:m.duration?m.duration/secondsPerBar:8.0,notes:(m.notes||[]).map(n=>({id:n.id||'note_'+Math.random().toString(36).substr(2,9),pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))}});});}if(t.sections&&t.sections.length>0){t.sections.forEach(s=>{items.push({id:s.id,name:s.name||"Section Item",type:"SECTION_ITEM",start_bar:s.start/secondsPerBar,duration_bars:s.duration/secondsPerBar,clip_start_offset_bars:0.0,source_data:{referenced_section_id:s.sectionId||s.id}});});}return{id:t.id,name:t.name,type:trackType,volume_db:t.volumeDb||0.0,pan:t.pan||0.0,mute:t.muted||false,solo:t.solo||false,mastering_bypass:t.masteringBypass||false,instrument_id:t.instrumentId||null,instrument_program:t.instrumentProgram!==undefined?t.instrumentProgram:null,instrument_name:t.instrumentName||null,instrument_source:t.instrument_source||(t.synth_engine?t.synth_engine.type:null),soundfont_id:t.soundfont_id||(t.synth_engine?t.synth_engine.soundfont_id:null),soundfont_bank:t.soundfont_bank!==undefined?t.soundfont_bank:t.synth_engine?t.synth_engine.soundfont_bank:null,soundfont_program:t.soundfont_program!==undefined?t.soundfont_program:t.synth_engine?t.synth_engine.soundfont_program:null,synth_engine:t.synth_engine||undefined,midi_channel:t.midiChannel!==undefined?t.midiChannel:null,server_file_id:t.serverFileId||null,items:items};});};const deserializeTracksList=(schemaTracks,secondsPerBar,sectionStore)=>{return(schemaTracks||[]).map(t=>{const clips=[];const sections=[];const midiItems=[];(t.items||[]).forEach(item=>{if(item.type==="AUDIO_ITEM"){const src=item.source_data||{};const clipFileId=src.server_file_id||(src.audio_file_url?src.audio_file_url.split('/').pop():null)||null;clips.push({id:item.id,name:item.name,startTime:item.start_bar*secondsPerBar,speed:1.0,duration:item.duration_bars*secondsPerBar,serverFileId:clipFileId});}else if(item.type==="MIDI_ITEM"){const src=item.source_data||{};midiItems.push({id:item.id,name:item.name,parent_track_id:t.id,startTime:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,length_bars:item.duration_bars||4,notes:(src.notes||[]).map(n=>({id:n.id,pitch:n.pitch||60,start_beat:n.start_beat||0.0,duration_beats:n.duration_beats||1.0,velocity:n.velocity||0.8,pan:n.pan||0.0}))});}else if(item.type==="SECTION_ITEM"){const src=item.source_data||{};const secId=src.referenced_section_id;const secContainer=sectionStore?sectionStore[secId]:null;sections.push({id:item.id,name:item.name,start:item.start_bar*secondsPerBar,duration:item.duration_bars*secondsPerBar,length_bars:item.duration_bars||4,sectionId:secId,tracks:secContainer?deserializeTracksList(secContainer.tracks,secondsPerBar,sectionStore):null});}});return{id:t.id,name:t.name,type:t.type==='MIDI'?'MIDI':t.type==='SECTION'?'SECTION':'audio',volumeDb:t.volume_db||0.0,pan:t.pan||0.0,muted:t.mute||false,solo:t.solo||false,masteringBypass:t.mastering_bypass||false,color:t.color||(t.id==='1'?'#0f766e':'#1d4ed8'),startTime:t.start_time||0,height:t.height||140,markers:t.markers||[],serverFileId:t.server_file_id||t.items&&t.items.find(function(i){return i.type==='AUDIO_ITEM';})?.source_data?.server_file_id||t.items&&t.items.find(function(i){return i.type==='AUDIO_ITEM';})?.source_data?.audio_file_url?.split('/').pop()||null,channelInfo:t.channel_info||null,isArmed:t.is_armed||false,monitoringEnabled:t.monitoring_enabled!==false,inputSource:t.input_source?{deviceType:t.input_source.device_type||'NONE',deviceId:t.input_source.device_id||''}:{deviceType:'NONE',deviceId:''},midiChannel:t.midi_channel!=null?t.midi_channel:undefined,is_percussion:t.is_percussion||false,clips:clips,sections:sections,midiItems:midiItems,instrumentId:t.instrumentId!=null?t.instrumentId:t.instrument_id||null,instrumentProgram:t.instrumentProgram!==undefined&&t.instrumentProgram!==null?t.instrumentProgram:t.instrument_program!==null?t.instrument_program:undefined,instrumentName:t.instrument_name||null,instrument_source:t.instrument_source||null,soundfont_id:t.soundfont_id||null,soundfont_bank:t.soundfont_bank!==null?t.soundfont_bank:undefined,soundfont_program:t.soundfont_program!==null?t.soundfont_program:undefined,synth_engine:t.synth_engine||undefined};});};const serializeProjectToSchema=(projectId,name,bpmVal,tracksList,subTabsList,sessionTabsList,masteringSettings)=>{const secondsPerBar=60.0/parseFloat(bpmVal||120)*4;const mainTracks=serializeTracksList(tracksList,secondsPerBar);const sectionStore={};// Helper: compute length_bars from tracks content const computeLengthBars=(tracksArr,spb)=>{let maxSec=0;(tracksArr||[]).forEach(tr=>{(tr.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.buffer?c.buffer.duration/(c.speed||1.0):4);if(end>maxSec)maxSec=end;});(tr.midiItems||[]).forEach(m=>{const end=(m.startTime||0)+(m.duration||4);if(end>maxSec)maxSec=end;});});return Math.ceil((maxSec||4)/spb);};// 1. Populate from sessionTabsList (open tabs) (sessionTabsList||[]).forEach(st=>{const serializedTracks=serializeTracksList(st.tracks,secondsPerBar);sectionStore[st.sectionId]={id:st.sectionId,name:st.name,is_root:false,length_bars:computeLengthBars(st.tracks,secondsPerBar),auto_compute_length:true,tracks:serializedTracks,color:st.color||null};});// 2. Also populate from tracksList (closed tabs saved inside Section items) const scanForSections=tracks=>{(tracks||[]).forEach(t=>{if(t.sections){t.sections.forEach(s=>{const secId=s.sectionId||s.id;if(s.tracks&&!sectionStore[secId]){sectionStore[secId]={id:secId,name:s.name,is_root:false,length_bars:computeLengthBars(s.tracks,secondsPerBar),auto_compute_length:true,tracks:serializeTracksList(s.tracks,secondsPerBar),color:s.color||null};}if(s.tracks){scanForSections(s.tracks);}});}});};scanForSections(tracksList);const subTabs=(subTabsList||[]).map(st=>{return{id:st.id,label:st.label,type:st.type,track_id:st.trackId,target_id:st.target_id,parent_tab_id:st.parent_tab_id,notes:st.notes||[],duration:st.duration||4,instrument_program:st.instrumentProgram,instrument_name:st.instrumentName,current_time:st.currentTime||0,color:st.color||null};});return{project_id:projectId||'proj_'+Date.now(),metadata:{title:name||"Dự án mới",bpm:parseFloat(bpmVal||120),time_signature_numerator:4,time_signature_denominator:4,sample_rate:44100},main_session:{id:"main",name:"MAIN SESSION",is_root:true,length_bars:(()=>{let maxBar=16.0;(mainTracks||[]).forEach(t=>{(t.items||[]).forEach(item=>{const end=(item.start_bar||0)+(item.duration_bars||4);if(end>maxBar)maxBar=end;});});return maxBar;})(),auto_compute_length:true,tracks:mainTracks},sub_tabs:subTabs,section_store:sectionStore,mastering_settings:masteringSettings||null};};const deserializeProjectFromSchema=schemaObj=>{const bpmVal=schemaObj.metadata?schemaObj.metadata.bpm:120;const secondsPerBar=60.0/bpmVal*4;const sectionStore=schemaObj.section_store||{};const restoredTracks=deserializeTracksList(schemaObj.main_session.tracks,secondsPerBar,sectionStore);const restoredSessionTabs=[];Object.keys(sectionStore).forEach(secId=>{const secContainer=sectionStore[secId];const secTracks=deserializeTracksList(secContainer.tracks,secondsPerBar,sectionStore);restoredSessionTabs.push({id:'session_'+secId,name:secContainer.name,sectionId:secId,tracks:secTracks,length_bars:secContainer.length_bars||16.0,auto_compute_length:secContainer.auto_compute_length!==undefined?secContainer.auto_compute_length:true,color:secContainer.color||null});});const restoredSubTabs=(schemaObj.sub_tabs||[]).map(st=>{return{id:st.id,label:st.label,type:st.type,trackId:st.track_id,target_id:st.target_id,parent_tab_id:st.parent_tab_id,notes:st.notes||[],duration:st.duration||4,instrumentProgram:st.instrument_program,instrumentName:st.instrument_name,currentTime:st.current_time||0,color:st.color||null};});return{bpm:bpmVal,tracks:restoredTracks,sessionTabs:restoredSessionTabs,subTabs:restoredSubTabs,masteringSettings:schemaObj.mastering_settings||null};};// ────────────────────────────────────────────── @@ -384,8 +399,20 @@ if(!input.onmidimessage){attachMidiHandler(input);}}setMidiDevices(inputs);};}). const[recTempMidiNotes,setRecTempMidiNotes]=useState([]);const[recTempAudioBuffer,setRecTempAudioBuffer]=useState(null);const[recStartTimelineTime,setRecStartTimelineTime]=useState(0);const[canvasRedrawCount,setCanvasRedrawCount]=useState(0);const[lastMidiNote,setLastMidiNote]=useState(null);const lastMidiNoteRef=useRef(null);const activeMIDIRecordersRef=useRef({});const activeAudioRecordersRef=useRef({});const pianoRollRecorderRef=useRef(null);const activeMidiPitchesRef=useRef(new Set());const[activeMidiPitches,setActiveMidiPitches]=useState(new Set());const recordingPCMDataRef=useRef({});const recordingStartTimeRef=useRef(0);const recordingSyncRef=useRef(null);const recordingStateRef=useRef(recordingState);recordingStateRef.current=recordingState;const lastTempCompileTimeRef=useRef(0);const nextMetronomeBeatRef=useRef(0);const[showExportPanel,setShowExportPanel]=useState(false);const[showAIPanel,setShowAIPanel]=useState(true);const[showSelectionPanel,setShowSelectionPanel]=useState(false);const[showPythonToolsPanel,setShowPythonToolsPanel]=useState(false);const[showMediaExplorer,setShowMediaExplorer]=useState(false);const[scrollBufferExtra,setScrollBufferExtra]=useState(0);const scrollBufferExtraRef=useRef(0);scrollBufferExtraRef.current=scrollBufferExtra;const[showFxRack,setShowFxRack]=useState(false);const[showMidiEvents,setShowMidiEvents]=useState(false);const[showMixer,setShowMixer]=useState(false);const setShowMixerRef=useRef(setShowMixer);setShowMixerRef.current=setShowMixer;const setShowMediaExplorerRef=useRef(setShowMediaExplorer);setShowMediaExplorerRef.current=setShowMediaExplorer;// F6/F7 mutual exclusion: enabling one panel disables the other window.__toggleMixerRef=function(){setShowMixer(function(p){const next=!p;if(next)setShowMediaExplorerRef.current(false);return next;});};// Live per-track mastering bypass: updates the routing map + re-routes any // active track node immediately (called from MixerStrip's B button). -window.__setTrackMasteringBypass=function(trackId,bypass){trackMasteringBypassMap[trackId]=!!bypass;const node=activeTrackNodesRef.current[trackId];if(node&&node.route)setMasteringRoute(node.route,!!bypass);};// Keep the routing map in sync with the tracks state (loads, undo, AI ops…). -useEffect(()=>{(tracks||[]).forEach(t=>{trackMasteringBypassMap[t.id]=!!t.masteringBypass;});(sessionTabs||[]).forEach(st=>(st.tracks||[]).forEach(t=>{trackMasteringBypassMap[t.id]=!!t.masteringBypass;}));},[tracks,sessionTabs]);window.__toggleMediaExplorerRef=function(){setShowMediaExplorer(function(p){const next=!p;if(next)setShowMixerRef.current(false);return next;});};const[mixerHeight,setMixerHeight]=useState(function(){var saved=localStorage.getItem('studio_mixer_height');return saved?parseInt(saved):200;}());const[mediaExplorerPanelHeight,setMediaExplorerPanelHeight]=useState(function(){var saved=localStorage.getItem('studio_media_explorer_height');return saved?parseInt(saved):240;}());const[masterVolume,setMasterVolume]=useState(0);// dB +window.__setTrackMasteringBypass=function(trackId,bypass){trackMasteringBypassMap[trackId]=!!bypass;const node=activeTrackNodesRef.current[trackId];if(node&&node.route)setMasteringRoute(node.route,!!bypass);};// Realtime mute/solo: applies the (patched) mute/solo state to every active +// track node in the current context. Called from the M/S buttons of the +// mixer strips + track strips so toggling muting/soloing affects the items +// already playing on that track immediately (20ms crossfade, no click). +const applyAllTrackMuteSolo=(trackId,patch)=>{const list=activeTracksRef.current&&activeTracksRef.current.length?activeTracksRef.current:tracks;const effective=trackId&&patch?list.map(t=>t.id===trackId?{...t,...patch}:t):list;let becameAudible=false;effective.forEach(t=>{const audible=computeTrackAudibleGain(effective,t)>0;const wasAudible=trackAudibleRef.current[t.id]!==false;const node=activeTrackNodesRef.current[t.id];if(node)setTrackNodeGain(node,computeTrackAudibleGain(effective,t));// MIDI items: FluidSynth mixes ALL channels into ONE shared gain node, so +// the per-track gain cannot silence them. Every MIDI track owns a +// dedicated channel (ensureTrackMidiChannel) → mute/solo via CC7 (channel +// volume) applies realtime, even to notes already sounding. +if(t.midiItems&&t.midiItems.length>0||t.type==='MIDI'){try{if(window.SonicSF&&typeof window.SonicSF.controllerChange==='function'){const ch=ensureTrackMidiChannel(t,effective);window.SonicSF.controllerChange(ch,7,audible?100:0);}}catch(e){}}if(audible&&!wasAudible)becameAudible=true;trackAudibleRef.current[t.id]=audible;});// A track that just became audible may have had its audio sources dropped +// by a loop restart while it was inaudible (startTrackPlayback skips +// muted/soloed tracks, so unmute alone cannot resurrect them). Re-schedule +// from the current playhead — the same approach toggleTrackSoloEvaluate +// already uses for solo. +if(becameAudible&&isPlaying&&recordingStateRef.current!=='RECORDING'&&activeTracksRef.current&&activeTracksRef.current.length){try{stopAllPlayback();const ctx=getAudioContext();const resumeAt=currentTimeRef.current||0;startOffsetTimeRef.current=resumeAt;startAudioTimeRef.current=ctx.currentTime;startBufferOffsetRef.current=resumeAt;setIsPlaying(true);startTrackPlayback(resumeAt);}catch(e){console.warn('mute/solo resume error:',e);}}};window.__applyTrackMuteSolo=applyAllTrackMuteSolo;window.__toggleMediaExplorerRef=function(){setShowMediaExplorer(function(p){const next=!p;if(next)setShowMixerRef.current(false);return next;});};const[mixerHeight,setMixerHeight]=useState(function(){var saved=localStorage.getItem('studio_mixer_height');return saved?parseInt(saved):200;}());const[mediaExplorerPanelHeight,setMediaExplorerPanelHeight]=useState(function(){var saved=localStorage.getItem('studio_media_explorer_height');return saved?parseInt(saved):240;}());const[masterVolume,setMasterVolume]=useState(0);// dB const[masterVU,setMasterVU]=useState(0);// 0-1 const[masterMeterPeak,setMasterMeterPeak]=useState(0);const[rightSidebarWidth,setRightSidebarWidth]=useState(320);const[tcpWidth,setTcpWidth]=useState(320);const[mediaExplorerHeight,setMediaExplorerHeight]=useState(50);const[panelPositions,setPanelPositions]=useState({export:'bottom',ai:'right',python_tools:'bottom',selection:'bottom',media_explorer:'bottom',fx_rack:'bottom',midi_events:'bottom'});const[panelDropZone,setPanelDropZone]=useState(null);const[dragGhostPos,setDragGhostPos]=useState(null);const[dragGhostPanel,setDragGhostPanel]=useState(null);const panelDragRef=useRef(null);const trackVuRefs=useRef({});const workspaceRef=useRef(null);const colResizerRef=useRef(null);const rowResizerRef=useRef(null);const[aiConfig,setAiConfig]=useState({baseUrl:localStorage.getItem('ai_base_url')||`${API_BASE_URL}`,apiKey:localStorage.getItem('ai_api_key')||'',model:localStorage.getItem('ai_model')||'deepseek-chat'});const[aiProviders,setAiProviders]=useState([]);useEffect(()=>{(async()=>{try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){/* server may not have config endpoint */}})();},[]);const[analysisState,setAnalysisState]=useState({status:'Sẵn sàng. Chạy AI để phân tích nhịp.',data:null,isRunning:false});const[aiPrompt,setAiPrompt]=useState('');const[promptHistory,setPromptHistory]=useState([]);const[promptHistIdx,setPromptHistIdx]=useState(-1);const promptHistRef=useRef([]);const aiPromptUndoRef=useRef({stack:[],idx:-1,max:30});const aiPromptUndoPush=text=>{const u=aiPromptUndoRef.current;u.stack.push(text);if(u.stack.length>u.max)u.stack.shift();u.idx=u.stack.length-1;};const[aiProvider,setAiProvider]=useState('OpenAI');const[aiModel,setAiModel]=useState('GPT-4o');const[aiActionLog,setAiActionLog]=useState([]);const actionLogContainerRef=useRef(null);useEffect(()=>{if(actionLogContainerRef.current){actionLogContainerRef.current.scrollTop=actionLogContainerRef.current.scrollHeight;}},[aiActionLog]);const[aiProcessing,setAiProcessing]=useState(false);const[aiSuggestions,setAiSuggestions]=useState([]);const[showAiTypeahead,setShowAiTypeahead]=useState(false);const[showAISuggestions,setShowAISuggestions]=useState(true);const[showAIActionLog,setShowAIActionLog]=useState(false);const aiPromptMgrRef=useRef(null);const aiTypeaheadRef=useRef(null);const[selectedProviderId,setSelectedProviderId]=useState('');const[exportSettings,setExportSettings]=useState({sampleRate:'44100',bitDepth:'16',format:'wav',source:'project',quality:'44khz',channels:'stereo'});const[serverStatus,setServerStatus]=useState('checking...');const[menuOpen,setMenuOpen]=useState(null);const[selectedClipId,setSelectedClipId]=useState(null);// { trackId, clipId } const[stretchedClip,setStretchedClip]=useState(null);// { trackId, clipId, originalDuration, startTime, originalSpeed, beforeSnap } @@ -399,12 +426,25 @@ const[undoStack,setUndoStack]=useState([]);const[redoStack,setRedoStack]=useStat const[activeTab,setActiveTab]=useState('main');const[subTabSelectedNodeTime,setSubTabSelectedNodeTime]=useState(null);const[subTabNormVal,setSubTabNormVal]=useState(0);const[subTabGainVal,setSubTabGainVal]=useState(100);const[subTabPitchVal,setSubTabPitchVal]=useState(0);const[subTabs,setSubTabs]=useState([]);// [{id, label, trackId, startTime, endTime, buffer, effects, currentTime, selectionStart, selectionEnd, isPlaying}, ...] const[sessionTabs,setSessionTabs]=useState([]);// [{id, name, tracks}, ...] const[tabContextMenu,setTabContextMenu]=useState(null);// { x, y, tabId, tabType } -const handleSetTabColor=(tabId,tabType,color)=>{if(tabType==='session'){setSessionTabs(prev=>prev.map(s=>s.id===tabId?{...s,color:color}:s));const tab=sessionTabs.find(s=>s.id===tabId);if(tab){setTracks(prev=>prev.map(t=>{if(!t.sections||t.sections.length===0)return t;return{...t,sections:t.sections.map(s=>{if(s.sectionId===tab.sectionId){return{...s,color:color};}return s;})};}));}}else{setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,color:color}:s));}};const activeTracks=useMemo(()=>{var st=sessionTabs.find(s=>s.id===activeTab);if(st)return st.tracks;var pr=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(pr&&pr.parent_tab_id&&pr.parent_tab_id.startsWith('session_')){var parentSt=sessionTabs.find(s=>s.id===pr.parent_tab_id);if(parentSt)return parentSt.tracks;}return tracks;},[activeTab,sessionTabs,subTabs,tracks]);const activeTracksRef=useRef([]);activeTracksRef.current=activeTracks;const sessionTabsRef=useRef(sessionTabs);sessionTabsRef.current=sessionTabs;const[selectionCleared,setSelectionCleared]=useState(false);// LOOP_EDITOR_2.md §4.2 +const handleSetTabColor=(tabId,tabType,color)=>{if(tabType==='session'){setSessionTabs(prev=>prev.map(s=>s.id===tabId?{...s,color:color}:s));const tab=sessionTabs.find(s=>s.id===tabId);if(tab){setTracks(prev=>prev.map(t=>{if(!t.sections||t.sections.length===0)return t;return{...t,sections:t.sections.map(s=>{if(s.sectionId===tab.sectionId){return{...s,color:color};}return s;})};}));}}else{setSubTabs(prev=>prev.map(s=>s.id===tabId?{...s,color:color}:s));}};const activeTracks=useMemo(()=>{var st=sessionTabs.find(s=>s.id===activeTab);if(st)return st.tracks;var pr=subTabs.find(s=>s.id===activeTab&&s.type==='PIANO_ROLL');if(pr&&pr.parent_tab_id&&pr.parent_tab_id.startsWith('session_')){var parentSt=sessionTabs.find(s=>s.id===pr.parent_tab_id);if(parentSt)return parentSt.tracks;}return tracks;},[activeTab,sessionTabs,subTabs,tracks]);const activeTracksRef=useRef([]);activeTracksRef.current=activeTracks;const sessionTabsRef=useRef(sessionTabs);sessionTabsRef.current=sessionTabs;// Track mute/solo/volume signature: only re-apply gains when something that +// affects audibility actually changed (loads, undo, AI ops, section tabs). +const trackMuteSoloSigRef=useRef({});// Last-known audibility per track id (used to detect inaudible→audible +// transitions that need a playback re-schedule). +const trackAudibleRef=useRef({});// Keep the mastering-bypass routing map + realtime mute/solo in sync with the +// tracks state (loads, undo, AI ops…). Placed AFTER the tracks/subTabs/ +// sessionTabs declarations (TDZ-safe). +useEffect(()=>{const all=[...(tracks||[]),...(sessionTabs||[]).reduce((acc,s)=>acc.concat(s.tracks||[]),[])];all.forEach(t=>{trackMasteringBypassMap[t.id]=!!t.masteringBypass;});const list=activeTracksRef.current&&activeTracksRef.current.length?activeTracksRef.current:all;list.forEach(t=>{const sig=(t.muted?'1':'0')+(t.solo?'1':'0')+':'+(t.volumeDb??0);if(trackMuteSoloSigRef.current[t.id]===sig)return;trackMuteSoloSigRef.current[t.id]=sig;const audible=computeTrackAudibleGain(list,t)>0;const node=activeTrackNodesRef.current[t.id];if(node)setTrackNodeGain(node,computeTrackAudibleGain(list,t));// MIDI tracks: mirror the gain decision onto the channel CC7 volume so +// FluidSynth-rendered notes respect mute/solo too. +if(t.midiItems&&t.midiItems.length>0||t.type==='MIDI'){try{if(window.SonicSF&&typeof window.SonicSF.controllerChange==='function'){const ch=ensureTrackMidiChannel(t,list);window.SonicSF.controllerChange(ch,7,audible?100:0);}}catch(e){}}trackAudibleRef.current[t.id]=audible;});},[tracks,sessionTabs]);const[selectionCleared,setSelectionCleared]=useState(false);// LOOP_EDITOR_2.md §4.2 const midiVuActivityRef=useRef({});const triggerMidiVuActivity=(trackId,velocity)=>{if(!trackId)return;const velFactor=typeof velocity==='number'?velocity>1?velocity/127:velocity:0.8;const peak=Math.min(1.0,Math.max(0.15,velFactor));midiVuActivityRef.current[trackId]=peak;};window.triggerMidiVuActivity=triggerMidiVuActivity;// ── Temp Edit Tab (LOOP_EDITOR_2.md §1.2 Sub Tab) ── const[tempTabActive,setTempTabActive]=useState(false);const[tempTabBuffer,setTempTabBuffer]=useState(null);const[tempTabTrackId,setTempTabTrackId]=useState(null);const[tempTabOrigStart,setTempTabOrigStart]=useState(0);const[tempTabOrigEnd,setTempTabOrigEnd]=useState(0);const tempTabCanvasRef=useRef(null);// Effect parameters for temp tab const[tempTabEffects,setTempTabEffects]=useState({reverse:false,gainDb:0,fadeInMs:0,fadeOutMs:0});// ── Auth / User State ── const[currentUser,setCurrentUser]=useState(null);const[authModalOpen,setAuthModalOpen]=useState(false);const[authMode,setAuthMode]=useState('login');// 'login' | 'register' | 'force_change' -const[isMandatoryLogin,setIsMandatoryLogin]=useState(false);const[profileModalOpen,setProfileModalOpen]=useState(false);const[systemManagerModalOpen,setSystemManagerModalOpen]=useState(false);const[aiConfigModalOpen,setAiConfigModalOpen]=useState(false);const[aiPresetModalOpen,setAiPresetModalOpen]=useState(false);const[aiPresetVersion,setAiPresetVersion]=useState(0);const[showMasteringModal,setShowMasteringModal]=useState(false);const[masteringSettings,setMasteringSettings]=useState({masterConnected:false,activeModule:'eq',eqActive:true,imagerActive:true,maximizerActive:true,eqLowGain:1.5,eqMid1Gain:-1.0,eqMid2Gain:2.0,eqHighGain:1.8,w1:0,w2:15,w3:35,w4:50,maxGain:5.4,maxUpward:2.0,maxSoftClip:15,maxTransient:25,ceiling:-0.1,isBypassed:false});useEffect(()=>{window.currentMasteringSettings=masteringSettings;if(audioCtx&&masterBus){toggleMasteringOnMaster(masteringSettings.masterConnected,masteringSettings.isBypassed);applyMasteringSettings(masteringSettings);}},[masteringSettings]);const[pluginManagerModalOpen,setPluginManagerModalOpen]=useState(false);const[pluginsData,setPluginsData]=useState(null);const loadAudioBuffersForTracks=async tracksList=>{let hasLoadedAny=false;const loadBuffer=async url=>{const res=await fetch(url);if(!res.ok)return null;const blob=await res.blob();return await window.SonicAudio.decodeAudioFile(blob);};const tryLoad=async fileId=>{if(!fileId)return null;try{const result=await loadBuffer('/static/audio/uploads/'+fileId);if(result)return result;}catch(_){}try{const result=await loadBuffer(`${API_AUDIO}/download/${fileId}`);if(result)return result;}catch(_){}return null;};const updatedTracks=await Promise.all(tracksList.map(async t=>{let trackBuffer=t.buffer;let trackChannelInfo=t.channelInfo;if(t.serverFileId&&!trackBuffer){const result=await tryLoad(t.serverFileId);if(result){trackBuffer=result.audioBuffer;trackChannelInfo=result.channelInfo;hasLoadedAny=true;}}const updatedClips=await Promise.all((t.clips||[]).map(async c=>{let clipBuffer=c.buffer;const targetFileId=c.serverFileId||t.serverFileId;if(targetFileId&&!clipBuffer){const result=await tryLoad(targetFileId);if(result){clipBuffer=result.audioBuffer;hasLoadedAny=true;}}return{...c,buffer:clipBuffer};}));if(trackBuffer&&updatedClips.length===0){const clipId=`default_${t.id}`;return{...t,buffer:trackBuffer,channelInfo:trackChannelInfo,clips:[{id:clipId,buffer:trackBuffer,startTime:t.startTime||0,name:t.name,speed:1.0}]};}return{...t,buffer:trackBuffer,channelInfo:trackChannelInfo,clips:updatedClips};}));if(hasLoadedAny){setTracks(prev=>{const merged=[...updatedTracks];(prev||[]).forEach((pt,i)=>{if(!merged[i])merged[i]=pt;else{merged[i]={...merged[i]};merged[i].clips=(pt.clips||[]).map((pc,j)=>{if(merged[i].clips&&merged[i].clips[j]&&(merged[i].clips[j].buffer||pc.buffer)){return{...pc,buffer:pc.buffer||merged[i].clips[j].buffer};}if(pc.buffer||merged[i].clips&&merged[i].clips[j]&&merged[i].clips[j].buffer){return pc;}return merged[i].clips&&merged[i].clips[j]?merged[i].clips[j]:pc;});}});return merged;});setSessionTabs(prev=>prev.map(st=>({...st,tracks:(st.tracks||[]).map(t=>{const found=updatedTracks.find(u=>u.id===t.id);return found||t;})})));}};const restoreLastSessionProject=async()=>{var pendingWasNull=!window.__pendingSfsProject;loadPendingSfsProject();if(!pendingWasNull)return;var lastId=localStorage.getItem('sonic_project_id');if(!lastId)return;var lastName=localStorage.getItem('sonic_project_name')||'Dự án';try{var parsed=null;if(lastId.startsWith('local_')){var localData=localStorage.getItem('sonic_local_project_data');if(localData)parsed=JSON.parse(localData);}else{var proj=await window.SonicAPI.getCloudProject(lastId);if(proj)parsed=JSON.parse(proj.data_json);}if(!parsed)return;var restoredBpm=bpm;var restoredTracks=[];var restoredSessionTabs=[];var restoredSubTabs=[];if(parsed.main_session){var result=deserializeProjectFromSchema(parsed);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;if(result.masteringSettings)setMasteringSettings(result.masteringSettings);}else{restoredTracks=(parsed.tracks||[]).map(function(t){var rest=Object.assign({},t);delete rest.height;return Object.assign({},rest,{buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null});});}setTracks(restoredTracks);loadAudioBuffersForTracks(restoredTracks).catch(function(err){console.warn('loadAudioBuffersForTracks error:',err);});trackMidiChannelsRef.current={};preloadTrackInstruments(restoredTracks).catch(function(err){console.warn('preloadTrackInstruments error:',err);});setBpm(restoredBpm.toString());setSelectedTrackId(restoredTracks[0]?.id||'1');setProjectName(lastName);setCurrentProjectId(lastId);localStorage.setItem('sonic_project_id',lastId);setSessionTabs(restoredSessionTabs);setSubTabs(restoredSubTabs);var restoredItemCount=0;restoredTracks.forEach(function(rt){if(rt.clips)restoredItemCount+=rt.clips.length;if(rt.midiItems)restoredItemCount+=rt.midiItems.length;if(rt.sections)restoredItemCount+=rt.sections.length;});showToast('Đã khôi phục dự án "'+lastName+'" ('+restoredItemCount+' items).','info');}catch(e){console.warn('restoreLastSessionProject failed:',e);// Stale session id (project deleted / DB reset): clear it so the error +const[isMandatoryLogin,setIsMandatoryLogin]=useState(false);const[profileModalOpen,setProfileModalOpen]=useState(false);const[systemManagerModalOpen,setSystemManagerModalOpen]=useState(false);const[aiConfigModalOpen,setAiConfigModalOpen]=useState(false);const[aiPresetModalOpen,setAiPresetModalOpen]=useState(false);const[aiPresetVersion,setAiPresetVersion]=useState(0);const[showMasteringModal,setShowMasteringModal]=useState(false);const[masteringSettings,setMasteringSettings]=useState({masterConnected:false,activeModule:'eq',eqActive:true,imagerActive:true,maximizerActive:true,eqLowGain:1.5,eqMid1Gain:-1.0,eqMid2Gain:2.0,eqHighGain:1.8,w1:0,w2:15,w3:35,w4:50,maxGain:5.4,maxUpward:2.0,maxSoftClip:15,maxTransient:25,ceiling:-0.1,isBypassed:false});useEffect(()=>{window.currentMasteringSettings=masteringSettings;if(audioCtx&&masterBus){toggleMasteringOnMaster(masteringSettings.masterConnected,masteringSettings.isBypassed);applyMasteringSettings(masteringSettings);}},[masteringSettings]);const[pluginManagerModalOpen,setPluginManagerModalOpen]=useState(false);const[pluginsData,setPluginsData]=useState(null);const loadAudioBuffersForTracks=async tracksList=>{let hasLoadedAny=false;const loadBuffer=async url=>{const res=await fetch(url);if(!res.ok)return null;const blob=await res.blob();return await window.SonicAudio.decodeAudioFile(blob);};const tryLoad=async fileId=>{if(!fileId)return null;try{const result=await loadBuffer('/static/audio/uploads/'+fileId);if(result)return result;}catch(_){}try{const result=await loadBuffer(`${API_AUDIO}/download/${fileId}`);if(result)return result;}catch(_){}return null;};const updatedTracks=await Promise.all(tracksList.map(async t=>{let trackBuffer=t.buffer;let trackChannelInfo=t.channelInfo;if(t.serverFileId&&!trackBuffer){const result=await tryLoad(t.serverFileId);if(result){trackBuffer=result.audioBuffer;trackChannelInfo=result.channelInfo;hasLoadedAny=true;}}const updatedClips=await Promise.all((t.clips||[]).map(async c=>{let clipBuffer=c.buffer;const targetFileId=c.serverFileId||t.serverFileId;if(targetFileId&&!clipBuffer){const result=await tryLoad(targetFileId);if(result){clipBuffer=result.audioBuffer;hasLoadedAny=true;}}return{...c,buffer:clipBuffer};}));if(trackBuffer&&updatedClips.length===0){const clipId=`default_${t.id}`;return{...t,buffer:trackBuffer,channelInfo:trackChannelInfo,clips:[{id:clipId,buffer:trackBuffer,startTime:t.startTime||0,name:t.name,speed:1.0}]};}return{...t,buffer:trackBuffer,channelInfo:trackChannelInfo,clips:updatedClips};}));if(hasLoadedAny){setTracks(prev=>{// Merge by TRACK ID (not array index): if the state changed between the +// fetch start and now (e.g. another project opened), index-based merging +// would scramble tracks and drop items into the wrong track. updatedTracks +// is authoritative; patch clip buffers from prev by matching clip ids. +const prevById=new Map((prev||[]).map(pt=>[pt.id,pt]));return updatedTracks.map(ut=>{const pt=prevById.get(ut.id);if(!pt)return ut;const ptClips=pt.clips||[];const utClips=ut.clips||[];const mergedClips=ptClips.map(pc=>{const uc=utClips.find(c=>c.id===pc.id);if(uc)return{...pc,buffer:pc.buffer||uc.buffer};return pc;});return{...ut,clips:mergedClips};});});setSessionTabs(prev=>prev.map(st=>({...st,tracks:(st.tracks||[]).map(t=>{const found=updatedTracks.find(u=>u.id===t.id);return found||t;})})));}};const restoreLastSessionProject=async()=>{var pendingWasNull=!window.__pendingSfsProject;loadPendingSfsProject();if(!pendingWasNull)return;var lastId=localStorage.getItem('sonic_project_id');if(!lastId)return;var lastName=localStorage.getItem('sonic_project_name')||'Dự án';try{var parsed=null;if(lastId.startsWith('local_')){var localData=localStorage.getItem('sonic_local_project_data');if(localData)parsed=JSON.parse(localData);}else{var proj=await window.SonicAPI.getCloudProject(lastId);if(proj)parsed=JSON.parse(proj.data_json);}if(!parsed)return;var restoredBpm=bpm;var restoredTracks=[];var restoredSessionTabs=[];var restoredSubTabs=[];if(parsed.main_session){var result=deserializeProjectFromSchema(parsed);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;if(result.masteringSettings)setMasteringSettings(result.masteringSettings);}else{restoredTracks=(parsed.tracks||[]).map(function(t){var rest=Object.assign({},t);delete rest.height;return Object.assign({},rest,{buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null});});}setTracks(restoredTracks);loadAudioBuffersForTracks(restoredTracks).catch(function(err){console.warn('loadAudioBuffersForTracks error:',err);});trackMidiChannelsRef.current={};preloadTrackInstruments(restoredTracks).catch(function(err){console.warn('preloadTrackInstruments error:',err);});setBpm(restoredBpm.toString());setSelectedTrackId(restoredTracks[0]?.id||'1');setProjectName(lastName);setCurrentProjectId(lastId);localStorage.setItem('sonic_project_id',lastId);setSessionTabs(restoredSessionTabs);setSubTabs(restoredSubTabs);var restoredItemCount=0;restoredTracks.forEach(function(rt){if(rt.clips)restoredItemCount+=rt.clips.length;if(rt.midiItems)restoredItemCount+=rt.midiItems.length;if(rt.sections)restoredItemCount+=rt.sections.length;});showToast('Đã khôi phục dự án "'+lastName+'" ('+restoredItemCount+' items).','info');}catch(e){console.warn('restoreLastSessionProject failed:',e);// Stale session id (project deleted / DB reset): clear it so the error // does not repeat on every page load. localStorage.removeItem('sonic_project_id');localStorage.removeItem('sonic_project_name');}};useEffect(()=>{const checkAuthStatus=async()=>{const savedToken=localStorage.getItem('sonic_token');if(!savedToken){setIsMandatoryLogin(true);setAuthMode('login');setAuthModalOpen(true);return;}try{const profile=await window.SonicAPI.getProfile();setCurrentUser(profile);localStorage.setItem('sonic_user',JSON.stringify(profile));if(profile.must_change_password){setIsMandatoryLogin(true);setAuthMode('force_change');setAuthModalOpen(true);}else{setIsMandatoryLogin(false);setAuthModalOpen(false);restoreLastSessionProject();}}catch(err){const cached=localStorage.getItem('sonic_user');if(cached){try{setCurrentUser(JSON.parse(cached));}catch(_){}setIsMandatoryLogin(false);setAuthModalOpen(false);restoreLastSessionProject();}else{localStorage.removeItem('sonic_token');localStorage.removeItem('sonic_user');setCurrentUser(null);setIsMandatoryLogin(true);setAuthMode('login');setAuthModalOpen(true);}}};checkAuthStatus();},[]);const loadPendingSfsProject=()=>{const proj=window.__pendingSfsProject;if(!proj)return;try{let restoredTracks=[];let restoredBpm=bpm;let restoredSessionTabs=[];let restoredSubTabs=[];if(proj.main_session){const result=deserializeProjectFromSchema(proj);restoredTracks=result.tracks;restoredBpm=result.bpm;restoredSessionTabs=result.sessionTabs;restoredSubTabs=result.subTabs;if(result.masteringSettings){setMasteringSettings(result.masteringSettings);}else{setMasteringSettings({masterConnected:false,activeModule:'eq',eqActive:true,imagerActive:true,maximizerActive:true,eqLowGain:1.5,eqMid1Gain:-1.0,eqMid2Gain:2.0,eqHighGain:1.8,w1:0,w2:15,w3:35,w4:50,maxGain:5.4,maxUpward:2.0,maxSoftClip:15,maxTransient:25,ceiling:-0.1,isBypassed:false});}}else{restoredTracks=(proj.tracks||[]).map(t=>{const{height:_h,...rest}=t;return{...rest,buffer:null,channelInfo:t.channelInfo||null,clips:t.clips||[],serverFileId:t.serverFileId||null};});}if(restoredTracks.length>0){setTracks(restoredTracks);setBpm(restoredBpm.toString());if(restoredSessionTabs.length>0){setSessionTabs(restoredSessionTabs);}if(restoredSubTabs.length>0){setSubTabs(restoredSubTabs);}showToast(`Đã tải dự án "${proj.metadata?.title||proj.name||'Dự án mới'}" từ liên kết .sfs thành công!`,"success");}}catch(e){showToast("Lỗi tải dự án từ .sfs","error");}finally{window.__pendingSfsProject=null;}};const handleAuthSuccess=user=>{setCurrentUser(user);if(user.must_change_password){setIsMandatoryLogin(true);setAuthMode('force_change');setAuthModalOpen(true);}else{setIsMandatoryLogin(false);setAuthModalOpen(false);restoreLastSessionProject();const loadPrefs=p=>{if(!p)return;if(p.showAIPanel!==undefined)setShowAIPanel(p.showAIPanel);if(p.showExportPanel!==undefined)setShowExportPanel(p.showExportPanel);if(p.showSelectionPanel!==undefined)setShowSelectionPanel(p.showSelectionPanel);if(p.showPythonToolsPanel!==undefined)setShowPythonToolsPanel(p.showPythonToolsPanel);if(p.showMediaExplorer!==undefined)setShowMediaExplorer(p.showMediaExplorer);if(p.showFxRack!==undefined)setShowFxRack(p.showFxRack);if(p.showMidiEvents!==undefined)setShowMidiEvents(p.showMidiEvents);if(p.panelPositions)setPanelPositions(p.panelPositions);if(p.rightSidebarWidth)setRightSidebarWidth(p.rightSidebarWidth);if(p.mediaExplorerHeight)setMediaExplorerHeight(p.mediaExplorerHeight);if(p.selectedProviderId)setSelectedProviderId(p.selectedProviderId);};(async()=>{try{const data=await window.SonicAPI.getPreferences();if(data&&data.preferences)loadPrefs(data.preferences);else{const cached=localStorage.getItem('sonic_preferences');if(cached)loadPrefs(JSON.parse(cached));}}catch(e){const cached=localStorage.getItem('sonic_preferences');if(cached)loadPrefs(JSON.parse(cached));}try{const data=await window.SonicAPI.getAIConfigs();if(data&&data.providers){setAiProviders(data.providers);const active=data.providers.find(p=>p.is_active)||data.providers[0];if(active)setSelectedProviderId(active.id);}}catch(e){}try{window.SonicAPI.getSoundfontCatalog().then(cat=>{window.__soundfontCatalog=cat;}).catch(()=>{});}catch(e){}// Re-fetch instrument data after auth (useEffect on mount runs before token is set) try{window.SonicAPI.listPlugins().then(async data=>{try{const catResp=(await window.SonicAPI.getSoundfontCatalog?.())??(await fetch('/api/v1/plugins/soundfonts/catalog').then(r=>r.json()));const catalog=catResp.full_catalog||{};data.soundfonts=(data.soundfonts||[]).map(sf=>{const sfId=sf.id.replace('sf_','');const catEntry=catalog[sfId.toLowerCase()]||catalog[sfId];if(catEntry&&catEntry.instruments)return{...sf,presets:catEntry.instruments};return sf;});}catch(e){console.warn('Catalog fetch error:',e);}setInstrumentSelectorData(data);}).catch(()=>{});}catch(e){}})();}};const handleLogout=()=>{localStorage.removeItem('sonic_token');localStorage.removeItem('sonic_user');setCurrentUser(null);setIsMandatoryLogin(true);setAuthMode('login');setAuthModalOpen(true);};// ── Temp project auto-save (local + server) ── @@ -483,7 +523,8 @@ const volumeGainNode=context.createGain();volumeGainNode.gain.setValueAtTime(1.0 const volNodes=st.volumeNodes||[];if(volNodes.length>0){volumeGainNode.gain.cancelScheduledValues(context.currentTime);volNodes.forEach((n,i)=>{const t=context.currentTime+n.time/speed;const linearGain=Math.pow(10,n.db/20);if(i===0)volumeGainNode.gain.setValueAtTime(linearGain,t);else volumeGainNode.gain.linearRampToValueAtTime(linearGain,t);});}// Schedule panning automation nodes const panNodes=st.panningNodes||[];if(panNodes.length>0){pannerNode.pan.cancelScheduledValues(context.currentTime);panNodes.forEach((n,i)=>{const t=context.currentTime+n.time/speed;const clamped=Math.max(-1,Math.min(1,n.pan));if(i===0)pannerNode.pan.setValueAtTime(clamped,t);else pannerNode.pan.linearRampToValueAtTime(clamped,t);});}// Schedule fade curves const duration=st.buffer.duration;const fIn=st.fadeInLen||0;const fOut=st.fadeOutLen||0;if(fIn>0){fadeGainNode.gain.setValueAtTime(0.0,context.currentTime);fadeGainNode.gain.linearRampToValueAtTime(1.0,context.currentTime+fIn/speed);}if(fOut>0){const fadeOutStart=(duration-fOut)/speed;fadeGainNode.gain.setValueAtTime(1.0,context.currentTime+Math.max(0,fadeOutStart));fadeGainNode.gain.linearRampToValueAtTime(0.0,context.currentTime+duration/speed);}source.connect(volumeGainNode);volumeGainNode.connect(pannerNode);pannerNode.connect(fadeGainNode);// Route through mastering chain unless this track has mastering bypass ON. -const route=createMasteringRoute(context,{masteringBypass:!!trackMasteringBypassMap[st.trackId]},masterBus);fadeGainNode.connect(route.routeGain);fadeGainNode.connect(route.dryGain);source.start(context.currentTime,offsetBuffer);activeSourcesRef.current=[source];activeTrackNodesRef.current[st.trackId]={gainNode:volumeGainNode,pannerNode,source};startOffsetTimeRef.current=offsetWallTime;startBufferOffsetRef.current=offsetBuffer;startAudioTimeRef.current=context.currentTime;};const playMetronomeClick=(time,isDownbeat=false)=>{try{const ctx=getAudioContext();const osc=ctx.createOscillator();const gainNode=ctx.createGain();osc.connect(gainNode);gainNode.connect(masterBus?masterBus.input:ctx.destination);osc.frequency.setValueAtTime(isDownbeat?1000:800,time);gainNode.gain.setValueAtTime(0.08,time);gainNode.gain.exponentialRampToValueAtTime(0.001,time+0.08);osc.start(time);osc.stop(time+0.1);}catch(e){console.log('Metronome click play error:',e);}};const updatePlayhead=()=>{if(recordingStateRef.current==='RECORDING'){const audioCtx=getAudioContext();const lookahead=0.1;// 100ms +const route=createMasteringRoute(context,{masteringBypass:!!trackMasteringBypassMap[st.trackId]},masterBus);fadeGainNode.connect(route.routeGain);fadeGainNode.connect(route.dryGain);source.start(context.currentTime,offsetBuffer);activeSourcesRef.current=[source];activeTrackNodesRef.current[st.trackId]={gainNode:volumeGainNode,pannerNode,source};// Realtime mute/solo for the newly created playback chain. +if(window.__applyTrackMuteSolo)window.__applyTrackMuteSolo(st.trackId,null);startOffsetTimeRef.current=offsetWallTime;startBufferOffsetRef.current=offsetBuffer;startAudioTimeRef.current=context.currentTime;};const playMetronomeClick=(time,isDownbeat=false)=>{try{const ctx=getAudioContext();const osc=ctx.createOscillator();const gainNode=ctx.createGain();osc.connect(gainNode);gainNode.connect(masterBus?masterBus.input:ctx.destination);osc.frequency.setValueAtTime(isDownbeat?1000:800,time);gainNode.gain.setValueAtTime(0.08,time);gainNode.gain.exponentialRampToValueAtTime(0.001,time+0.08);osc.start(time);osc.stop(time+0.1);}catch(e){console.log('Metronome click play error:',e);}};const updatePlayhead=()=>{if(recordingStateRef.current==='RECORDING'){const audioCtx=getAudioContext();const lookahead=0.1;// 100ms const secondsPerBeat=60.0/(parseInt(bpmRef.current)||120);// Metronome Click Scheduler while(true){const beatNum=nextMetronomeBeatRef.current;const elapsedBeats=beatNum-recordingStartTimeRef.current/secondsPerBeat;const beatTime=startAudioTimeRef.current+elapsedBeats*secondsPerBeat;if(beatTime200){lastTempCompileTimeRef.current=now;// Audio preview @@ -495,9 +536,12 @@ let maxEnd=0;notes.forEach(n=>{const end=(n.start_beat||0)+(n.duration_beats||1) if(!selectionCleared&&isLoopingSelection&&selLeft!==null&&selRight!==null){if(selRight>selLeft&&updatedTime>=selRight){if(hasAnySolo||selectionMode==='local'){stopAllPlayback();startOffsetTimeRef.current=selLeft;startAudioTimeRef.current=context.currentTime;if(hasAnySolo){const soloed=tracks.filter(t=>t.solo);soloed.forEach(t=>startLocalTrackPlayback(t.id,selLeft));}else{startLocalTrackPlayback(localSelectionTrackId,selLeft);}setCurrentTime(selLeft);setIsPlaying(true);}else{stopAllPlayback();startOffsetTimeRef.current=selLeft;startAudioTimeRef.current=context.currentTime;startTrackPlayback(selLeft);setCurrentTime(selLeft);setIsPlaying(true);}animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}}if(updatedTime>=maxDurationRef.current){if(recordingStateRef.current==='RECORDING'){setCurrentTime(updatedTime);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}if(isLoopingSelection){stopAllPlayback();startOffsetTimeRef.current=0;startAudioTimeRef.current=context.currentTime;startTrackPlayback(0);setCurrentTime(0);setIsPlaying(true);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);return;}stopAllPlayback();setCurrentTime(0);return;}setCurrentTime(updatedTime);animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);};useEffect(()=>{if(isPlaying||subTabs.some(s=>s.isPlaying)){animationFrameIdRef.current=requestAnimationFrame(updatePlayhead);}else{cancelAnimationFrame(animationFrameIdRef.current);}return()=>cancelAnimationFrame(animationFrameIdRef.current);},[isPlaying,subTabs,isLoopingSelection,selLeft,selRight,selectionMode,localSelectionTrackId,selectionCleared,activeTab]);// ── FX Nodes ── const createChorusNode=(context,inputNode,outputNode)=>{const dryGain=context.createGain();dryGain.gain.value=0.6;const wetGain=context.createGain();wetGain.gain.value=0.5;const delayNode=context.createDelay();delayNode.delayTime.value=0.02;const lfo=context.createOscillator();lfo.type='sine';lfo.frequency.value=1.5;const lfoGain=context.createGain();lfoGain.gain.value=0.002;lfo.connect(lfoGain);lfoGain.connect(delayNode.delayTime);lfo.start();inputNode.connect(dryGain);inputNode.connect(delayNode);delayNode.connect(wetGain);dryGain.connect(outputNode);wetGain.connect(outputNode);return{stop:()=>{try{lfo.stop();}catch(e){}}};};const createReverbNode=(context,inputNode,outputNode)=>{const dryGain=context.createGain();dryGain.gain.value=0.6;const wetGain=context.createGain();wetGain.gain.value=0.4;const convolver=context.createConvolver();const rate=context.sampleRate;const len=rate*2.0;const impulse=context.createBuffer(2,len,rate);const left=impulse.getChannelData(0);const right=impulse.getChannelData(1);for(let i=0;i{if(!track)return null;let node=activeTrackNodesRef.current[track.id];if(!node){const gainNode=context.createGain();const volDb=track.volumeDb??0;const volLinear=volDb<=-50?0:Math.pow(10,volDb/20);gainNode.gain.setValueAtTime(volLinear,context.currentTime);const pannerNode=context.createStereoPanner();pannerNode.pan.setValueAtTime((track.pan??0)/100,context.currentTime);// Ensure master bus is initialized for MAIN OUT routing -if(!masterBus)initMasterBus(context);const analyserNode=context.createAnalyser();analyserNode.fftSize=256;pannerNode.connect(analyserNode);// Dual mastering route: routeGain -> mastering chain (normal), dryGain -> -// dry bus (bypass). Live-toggled via setMasteringRoute(node.route, ...). -const route=createMasteringRoute(context,track,masterBus);analyserNode.connect(route.routeGain);analyserNode.connect(route.dryGain);let fxStopFn;if(track.fxType==='chorus'){const fxInput=context.createGain();gainNode.connect(fxInput);const chorus=createChorusNode(context,fxInput,pannerNode);fxStopFn=chorus.stop;}else if(track.fxType==='reverb'){const fxInput=context.createGain();gainNode.connect(fxInput);createReverbNode(context,fxInput,pannerNode);fxStopFn=null;}else{gainNode.connect(pannerNode);}node={gainNode,pannerNode,fxStopFn,analyserNode,route};activeTrackNodesRef.current[track.id]=node;}return node.gainNode;};const getOrCreateSubTrackNode=(track,subTrack,context)=>{if(!track||!subTrack)return null;const subKey=track.id+'_sub_'+subTrack.id;let node=activeTrackNodesRef.current[subKey];if(!node){const gainNode=context.createGain();const volDb=subTrack.volumeDb??0;const volLinear=volDb<=-50?0:Math.pow(10,volDb/20);gainNode.gain.setValueAtTime(volLinear,context.currentTime);const parentNode=getOrCreateTrackNode(track,context);gainNode.connect(parentNode);node={gainNode,pannerNode:null};activeTrackNodesRef.current[subKey]=node;}return node.gainNode;};const playMidiPreviewNote=(pitch,velocity=0.8,durationMs=500)=>{if(!window.SonicSF)return;const context=getAudioContext();const tab=subTabs.find(s=>s.id===activeTabRef.current);const trackId=tab?tab.trackId:selectedTrackId;const track=activeTracks.find(t=>t.id===trackId);const destNode=getOrCreateTrackNode(track,context);const program=track?track.instrumentProgram:undefined;var prevCh=track?assignTrackMidiChannel(track,activeTracks):0;window.SonicSF.playNote(pitch,velocity,durationMs,context.currentTime,program,destNode,prevCh,track?track.synth_engine:undefined);};const startTrackPlayback=offsetTime=>{const context=getAudioContext();const allPlayTracks=activeTracksRef.current&&activeTracksRef.current.length?activeTracksRef.current:activeTracks;const hasSolo=allPlayTracks.some(t=>t.solo);allPlayTracks.forEach(track=>{const isPlayable=hasSolo?track.solo:!track.muted;if(!isPlayable)return;const gainNode=getOrCreateTrackNode(track,context);const pannerNode=activeTrackNodesRef.current[track.id].pannerNode;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];clips.forEach(clip=>{if(!clip.buffer)return;const source=context.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(gainNode);const clipStart=clip.startTime||0;const clipDuration=clip.buffer.duration/(clip.speed||1.0);const clipEnd=clipStart+clipDuration;if(offsetTime mastering chain (normal, post-FX), +// dryGain -> dry bus (bypass, tapped PRE-FX so the bypassed channel skips +// BOTH the track FX chain and the mastering chain at Main out). +const route=createMasteringRoute(context,track,masterBus);analyserNode.connect(route.routeGain);gainNode.connect(route.dryGain);let fxStopFn;if(track.fxType==='chorus'){const fxInput=context.createGain();gainNode.connect(fxInput);const chorus=createChorusNode(context,fxInput,pannerNode);fxStopFn=chorus.stop;}else if(track.fxType==='reverb'){const fxInput=context.createGain();gainNode.connect(fxInput);createReverbNode(context,fxInput,pannerNode);fxStopFn=null;}else{gainNode.connect(pannerNode);}node={gainNode,pannerNode,fxStopFn,analyserNode,route};// Realtime mute/solo: apply the track's current mute/solo/volume state to +// the fresh node so items of muted/soloed tracks start correctly. +const trackList=activeTracksRef.current&&activeTracksRef.current.length?activeTracksRef.current:[track];setTrackNodeGain(node,computeTrackAudibleGain(trackList,track));activeTrackNodesRef.current[track.id]=node;}return node.gainNode;};const getOrCreateSubTrackNode=(track,subTrack,context)=>{if(!track||!subTrack)return null;const subKey=track.id+'_sub_'+subTrack.id;let node=activeTrackNodesRef.current[subKey];if(!node){const gainNode=context.createGain();const volDb=subTrack.volumeDb??0;const volLinear=volDb<=-50?0:Math.pow(10,volDb/20);gainNode.gain.setValueAtTime(volLinear,context.currentTime);const parentNode=getOrCreateTrackNode(track,context);gainNode.connect(parentNode);node={gainNode,pannerNode:null};activeTrackNodesRef.current[subKey]=node;}return node.gainNode;};const playMidiPreviewNote=(pitch,velocity=0.8,durationMs=500)=>{if(!window.SonicSF)return;const context=getAudioContext();const tab=subTabs.find(s=>s.id===activeTabRef.current);const trackId=tab?tab.trackId:selectedTrackId;const track=activeTracks.find(t=>t.id===trackId);const destNode=getOrCreateTrackNode(track,context);const program=track?track.instrumentProgram:undefined;var prevCh=track?assignTrackMidiChannel(track,activeTracks):0;window.SonicSF.playNote(pitch,velocity,durationMs,context.currentTime,program,destNode,prevCh,track?track.synth_engine:undefined);};const startTrackPlayback=offsetTime=>{const context=getAudioContext();const allPlayTracks=activeTracksRef.current&&activeTracksRef.current.length?activeTracksRef.current:activeTracks;const hasSolo=allPlayTracks.some(t=>t.solo);allPlayTracks.forEach(track=>{const isPlayable=hasSolo?track.solo:!track.muted;if(!isPlayable)return;const gainNode=getOrCreateTrackNode(track,context);const pannerNode=activeTrackNodesRef.current[track.id].pannerNode;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];clips.forEach(clip=>{if(!clip.buffer)return;const source=context.createBufferSource();source.buffer=clip.buffer;source.playbackRate.value=clip.speed||1.0;source.connect(gainNode);const clipStart=clip.startTime||0;const clipDuration=clip.buffer.duration/(clip.speed||1.0);const clipEnd=clipStart+clipDuration;if(offsetTime0)&&window.SonicSF){var trkCh=assignTrackMidiChannel(track,allPlayTracks);// Ensure instrument is loaded in FluidSynth if(track.synth_engine&&track.synth_engine.type==='soundfont'&&track.synth_engine.soundfont_id){window.SonicSF.selectInstrument(trkCh,track.synth_engine.soundfont_bank||0,track.synth_engine.soundfont_program||0,track.synth_engine.soundfont_id);}const bpmVal=parseInt(bpm)||120;const secondsPerBeat=60.0/bpmVal;midiItems.forEach(item=>{const itemEndSec=item.startTime+(item.duration||4);const notes=item.notes||[];notes.forEach(note=>{// note start/duration is in beats (for MIDI items) const noteStartSec=item.startTime+(note.start_beat||0)*secondsPerBeat;if(noteStartSec>=itemEndSec)return;// skip notes outside item's visual duration @@ -528,7 +572,7 @@ const handlePlayheadSet=(time,shiftKey)=>{setPlayheadWithUndo(time);};const clea useEffect(()=>{const handleMouseMove=e=>{if(!isDraggingRulerRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const rawTime=Math.max(0,Math.min(maxDuration,mouseX/zoom-leadInMarginRef.current));const time=snapValueRef.current!=='free'?snapTime(rawTime,snapValueRef.current,bpmRef.current):rawTime;const anchor=rulerAnchorRef.current??rulerDragStartRef.current??time;setSelectionStart(Math.min(anchor,time));setSelectionEnd(Math.max(anchor,time));};const handleMouseUp=()=>{if(isDraggingRulerRef.current){isDraggingRulerRef.current=false;rulerDragStartRef.current=null;pushSelectionUndo();}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);// Sub-tab ruler drag (section/editor tabs) const handleSubTabMove=e=>{if(!isDraggingSubTabRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const sl=wrapper.scrollLeft;const raw=Math.max(0,(e.clientX-rect.left+sl)/zoom);const time=snapValueRef.current!=='free'?snapTime(raw,snapValueRef.current,bpmRef.current):raw;const anchor=subTabDragStartRef.current??0;setSubTabs(prev=>prev.map(s=>s.id===activeTabRef.current?{...s,selectionStart:Math.min(anchor,time),selectionEnd:Math.max(anchor,time)}:s));};const handleSubTabUp=()=>{if(isDraggingSubTabRef.current){isDraggingSubTabRef.current=false;subTabDragStartRef.current=null;}};document.addEventListener('mousemove',handleSubTabMove);document.addEventListener('mouseup',handleSubTabUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);document.removeEventListener('mousemove',handleSubTabMove);document.removeEventListener('mouseup',handleSubTabUp);};},[zoom,maxDuration]);// ── Track Lane Local Selection Drag ── const localDragInProgressRef=useRef(false);const localDragTrackRef=useRef(null);const localDragStartTimeRef=useRef(0);const localSelectionAnchorRef=useRef(null);const handleTrackLaneMouseDown=(trackId,time)=>{setSelectedTrackId(trackId);captureSelectionUndo();clearLocalSelection();localSelectionAnchorRef.current=time;setSelectionMode('local');setLocalSelectionTrackId(trackId);setLocalSelectionStart(time);setLocalSelectionEnd(time);setSelectionStart(time);setSelectionEnd(time);localDragInProgressRef.current=true;localDragTrackRef.current=trackId;localDragStartTimeRef.current=time;};// Document-level mousemove/mouseup for local selection drag -useEffect(()=>{const handleMouseMove=e=>{if(!localDragInProgressRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,Math.min(maxDuration,mouseX/zoom));const anchor=localSelectionAnchorRef.current??localDragStartTimeRef.current;const selS=Math.min(anchor,time);const selE=Math.max(anchor,time);setLocalSelectionStart(selS);setLocalSelectionEnd(selE);setSelectionStart(selS);setSelectionEnd(selE);};const handleMouseUp=()=>{if(localDragInProgressRef.current){localDragInProgressRef.current=false;localDragTrackRef.current=null;localDragStartTimeRef.current=0;pushSelectionUndo();}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,maxDuration]);const draggedClipRef=useRef(null);draggedClipRef.current=draggedClip;const hoveredTrackIdRef=useRef(null);hoveredTrackIdRef.current=hoveredTrackId;const captureTrackSnapshotRef=useRef(null);captureTrackSnapshotRef.current=captureTrackSnapshot;const draggedSectionItemRef=useRef(null);draggedSectionItemRef.current=draggedSectionItem;const resizedSectionItemRef=useRef(null);resizedSectionItemRef.current=resizedSectionItem;const selectionUndoRef=useRef(null);const pushSelectionUndo=()=>{var cur=selectionRef.current;var before=selectionUndoRef.current;if(!before||before.start===cur.start&&before.end===cur.end&&before.mode===cur.mode)return;var entry={type:'SELECTION',scope:'global',label:'Selection',before:before,after:{start:cur.start,end:cur.end,mode:cur.mode},undo:e=>{setSelectionStart(e.before.start);setSelectionEnd(e.before.end);setSelectionMode(e.before.mode);showToast('Undo: Selection','info');},redo:e=>{setSelectionStart(e.after.start);setSelectionEnd(e.after.end);setSelectionMode(e.after.mode);showToast('Redo: Selection','info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);selectionUndoRef.current=null;};const captureSelectionUndo=()=>{if(selectionUndoRef.current!==null)return;selectionUndoRef.current={start:selectionRef.current.start,end:selectionRef.current.end,mode:selectionMode};};let clipSeqCounter=0;const nextClipId=()=>`clip_${Date.now()}_${++clipSeqCounter}`;const handleClipDragStart=(trackId,clipId,clickOffset,isDuplicate=false)=>{const curTracks=activeTracksRef.current||activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const existingClips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const clip=existingClips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+track.id);if(!clip)return;const beforeSnap=captureTrackSnapshot(trackId);if(isDuplicate){const cloneId=nextClipId();const clone={...clip,id:cloneId,startTime:clip.startTime||0,name:clip.name+' (Copy)'};updateActiveTracks(prev=>prev.map(t=>{if(t.id===trackId){const newClips=[...existingClips,clone];return{...t,clips:newClips,buffer:newClips[0].buffer,startTime:newClips[0].startTime,name:newClips[0].name};}return t;}));setDraggedClip({trackId,clipId:cloneId,clickOffset,buffer:clip.buffer,name:clip.name+' (Copy)',beforeSnap,isDuplicate:false});return;}if(!track.clips||track.clips.length===0){updateActiveTracks(prev=>prev.map(t=>{if(t.id===trackId){return{...t,clips:existingClips};}return t;}));}setDraggedClip({trackId,clipId:clip.id,clickOffset,buffer:clip.buffer,name:clip.name,beforeSnap,isDuplicate:false});};const stretchedClipRef=useRef(null);stretchedClipRef.current=stretchedClip;const handleClipStretchStart=(trackId,clipId,clickTime)=>{const curTracks=activeTracksRef.current||activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];const clip=clips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+trackId);if(!clip||!clip.buffer)return;const beforeSnap=captureTrackSnapshot(trackId);if(!track.clips||track.clips.length===0){updateActiveTracks(prev=>prev.map(t=>t.id===trackId?{...t,clips}:t));}setStretchedClip({trackId,clipId:clip.id==='default'?'default_'+trackId:clip.id,originalDuration:clip.buffer.duration,startTime:clip.startTime,originalSpeed:clip.speed||1.0,beforeSnap});};const handleSelectionEdgeDragStart=(e,trackId,side)=>{const startX=e.clientX;const initialLeft=Math.min(localSelectionStart,localSelectionEnd);const initialRight=Math.max(localSelectionStart,localSelectionEnd);const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;if(side==='left'){const newLeft=Math.max(0,Math.min(initialRight-0.05,initialLeft+deltaSec));setLocalSelectionStart(newLeft);setLocalSelectionEnd(initialRight);}else{const newRight=Math.max(initialLeft+0.05,Math.min(maxDuration,initialRight+deltaSec));setLocalSelectionStart(initialLeft);setLocalSelectionEnd(newRight);}};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleTrackResizeMouseDown=(e,trackId)=>{e.preventDefault();e.stopPropagation();const startY=e.clientY;const track=tracks.find(t=>t.id===trackId);const startHeight=track?track.height||140:140;const handleMouseMove=moveEvent=>{const deltaY=moveEvent.clientY-startY;const newHeight=Math.max(110,Math.min(300,startHeight+deltaY));setTracks(prev=>prev.map(t=>t.id===trackId?{...t,height:newHeight}:t));};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const deleteTrack=trackId=>{const sessionTab=sessionTabs.find(s=>s.id===activeTab);const trackList=sessionTab?sessionTab.tracks:tracks;const track=trackList.find(t=>t.id===trackId);if(!track)return;const hasClips=track.clips&&track.clips.length>0||!!track.buffer;const hasMidi=track.midiItems&&track.midiItems.length>0;const hasSections=track.sections&&track.sections.length>0;const isTrackEmpty=!hasClips&&!hasMidi&&!hasSections;if(!isTrackEmpty){showToast('Không thể xoá track chứa dữ liệu. Vui lòng xoá hết các item trước khi xoá track.','warning');return;}if(sessionTab){updateActiveTracks(prev=>{const filtered=prev.filter(t=>t.id!==trackId);if(filtered.length>0)setSelectedTrackId(filtered[0].id);return filtered;});}else{const beforeSnap=captureTrackSnapshot(trackId);setTracks(prev=>{const filtered=prev.filter(t=>t.id!==trackId);if(filtered.length>0)setSelectedTrackId(filtered[0].id);return filtered;});}showToast('Đã xóa track.','info');};// Shared auto-scroll: when mouse near right edge, scroll container right +useEffect(()=>{const handleMouseMove=e=>{if(!localDragInProgressRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,Math.min(maxDuration,mouseX/zoom));const anchor=localSelectionAnchorRef.current??localDragStartTimeRef.current;const selS=Math.min(anchor,time);const selE=Math.max(anchor,time);setLocalSelectionStart(selS);setLocalSelectionEnd(selE);setSelectionStart(selS);setSelectionEnd(selE);};const handleMouseUp=()=>{if(localDragInProgressRef.current){localDragInProgressRef.current=false;localDragTrackRef.current=null;localDragStartTimeRef.current=0;pushSelectionUndo();}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,maxDuration]);const draggedClipRef=useRef(null);draggedClipRef.current=draggedClip;const hoveredTrackIdRef=useRef(null);hoveredTrackIdRef.current=hoveredTrackId;const captureTrackSnapshotRef=useRef(null);captureTrackSnapshotRef.current=captureTrackSnapshot;const draggedSectionItemRef=useRef(null);draggedSectionItemRef.current=draggedSectionItem;const resizedSectionItemRef=useRef(null);resizedSectionItemRef.current=resizedSectionItem;const selectionUndoRef=useRef(null);const pushSelectionUndo=()=>{var cur=selectionRef.current;var before=selectionUndoRef.current;if(!before||before.start===cur.start&&before.end===cur.end&&before.mode===cur.mode)return;var entry={type:'SELECTION',scope:'global',label:'Selection',before:before,after:{start:cur.start,end:cur.end,mode:cur.mode},undo:e=>{setSelectionStart(e.before.start);setSelectionEnd(e.before.end);setSelectionMode(e.before.mode);showToast('Undo: Selection','info');},redo:e=>{setSelectionStart(e.after.start);setSelectionEnd(e.after.end);setSelectionMode(e.after.mode);showToast('Redo: Selection','info');}};if(window.UndoRedoEngine)window.UndoRedoEngine.execute(entry);selectionUndoRef.current=null;};const captureSelectionUndo=()=>{if(selectionUndoRef.current!==null)return;selectionUndoRef.current={start:selectionRef.current.start,end:selectionRef.current.end,mode:selectionMode};};let clipSeqCounter=0;const nextClipId=()=>`clip_${Date.now()}_${++clipSeqCounter}`;const handleClipDragStart=(trackId,clipId,clickOffset,isDuplicate=false)=>{const curTracks=activeTracksRef.current||activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const existingClips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name}]:[];const clip=existingClips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+track.id);if(!clip)return;const beforeSnap=captureTrackSnapshot(trackId);if(isDuplicate){const cloneId=nextClipId();const clone={...clip,id:cloneId,startTime:clip.startTime||0,name:clip.name+' (Copy)'};updateActiveTracks(prev=>prev.map(t=>{if(t.id===trackId){const newClips=[...existingClips,clone];return{...t,clips:newClips,buffer:newClips[0].buffer,startTime:newClips[0].startTime,name:newClips[0].name};}return t;}));setDraggedClip({trackId,clipId:cloneId,clickOffset,buffer:clip.buffer,name:clip.name+' (Copy)',beforeSnap,isDuplicate:false});return;}if(!track.clips||track.clips.length===0){updateActiveTracks(prev=>prev.map(t=>{if(t.id===trackId){return{...t,clips:existingClips};}return t;}));}setDraggedClip({trackId,clipId:clip.id,clickOffset,buffer:clip.buffer,name:clip.name,beforeSnap,isDuplicate:false});};const handleClipDragStartRef=useRef(null);handleClipDragStartRef.current=handleClipDragStart;const stretchedClipRef=useRef(null);stretchedClipRef.current=stretchedClip;const handleClipStretchStart=(trackId,clipId,clickTime)=>{const curTracks=activeTracksRef.current||activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default_'+track.id,buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];const clip=clips.find(c=>c.id===clipId||clipId==='default'&&c.id==='default_'+trackId);if(!clip||!clip.buffer)return;const beforeSnap=captureTrackSnapshot(trackId);if(!track.clips||track.clips.length===0){updateActiveTracks(prev=>prev.map(t=>t.id===trackId?{...t,clips}:t));}setStretchedClip({trackId,clipId:clip.id==='default'?'default_'+trackId:clip.id,originalDuration:clip.buffer.duration,startTime:clip.startTime,originalSpeed:clip.speed||1.0,beforeSnap});};const handleSelectionEdgeDragStart=(e,trackId,side)=>{const startX=e.clientX;const initialLeft=Math.min(localSelectionStart,localSelectionEnd);const initialRight=Math.max(localSelectionStart,localSelectionEnd);const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;if(side==='left'){const newLeft=Math.max(0,Math.min(initialRight-0.05,initialLeft+deltaSec));setLocalSelectionStart(newLeft);setLocalSelectionEnd(initialRight);}else{const newRight=Math.max(initialLeft+0.05,Math.min(maxDuration,initialRight+deltaSec));setLocalSelectionStart(initialLeft);setLocalSelectionEnd(newRight);}};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleTrackResizeMouseDown=(e,trackId)=>{e.preventDefault();e.stopPropagation();const startY=e.clientY;const track=tracks.find(t=>t.id===trackId);const startHeight=track?track.height||140:140;const handleMouseMove=moveEvent=>{const deltaY=moveEvent.clientY-startY;const newHeight=Math.max(110,Math.min(300,startHeight+deltaY));setTracks(prev=>prev.map(t=>t.id===trackId?{...t,height:newHeight}:t));};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const deleteTrack=trackId=>{const sessionTab=sessionTabs.find(s=>s.id===activeTab);const trackList=sessionTab?sessionTab.tracks:tracks;const track=trackList.find(t=>t.id===trackId);if(!track)return;const hasClips=track.clips&&track.clips.length>0||!!track.buffer;const hasMidi=track.midiItems&&track.midiItems.length>0;const hasSections=track.sections&&track.sections.length>0;const isTrackEmpty=!hasClips&&!hasMidi&&!hasSections;if(!isTrackEmpty){showToast('Không thể xoá track chứa dữ liệu. Vui lòng xoá hết các item trước khi xoá track.','warning');return;}if(sessionTab){updateActiveTracks(prev=>{const filtered=prev.filter(t=>t.id!==trackId);if(filtered.length>0)setSelectedTrackId(filtered[0].id);return filtered;});}else{const beforeSnap=captureTrackSnapshot(trackId);setTracks(prev=>{const filtered=prev.filter(t=>t.id!==trackId);if(filtered.length>0)setSelectedTrackId(filtered[0].id);return filtered;});}showToast('Đã xóa track.','info');};// Shared auto-scroll: when mouse near right edge, scroll container right const autoScrollTimeline=clientX=>{const wrapper=timelineWrapperRef.current;if(!wrapper)return;const wr=wrapper.getBoundingClientRect();const margin=200;if(clientX>wr.right-margin){const depth=(clientX-(wr.right-margin))/margin;const speed=Math.round(5+depth*depth*40);wrapper.scrollLeft+=speed;if(wrapper.scrollLeft>wrapper.scrollWidth-wrapper.clientWidth-100){const secPerBar=60.0/(parseInt(bpm)||120)*4;setScrollBufferExtra(prev=>prev+secPerBar*4);}}else if(clientX{const handleMouseMove=e=>{const drag=draggedClipRef.current;if(!drag)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);const beatSec=60.0/(parseInt(bpmRef.current)||120);const rawStart=Math.max(0,time-drag.clickOffset);const secPerBar=beatSec*4;const marginBar=maxDurationRef.current-secPerBar;const clampedStart=Math.min(rawStart,marginBar);const newStart=snapTime(Math.max(0,clampedStart),snapValueRef.current,bpmRef.current);const itemPx=newStart*zoom;const keepMargin=80;if(itemPx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=itemPx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(itemPxn+1);}const targetTrackId=hoveredTrackIdRef.current||drag.trackId;updateActiveTracks(prev=>prev.map(t=>{// Clear the clip from its previous track if it moved to a new track if(t.id===drag.trackId&&drag.trackId!==targetTrackId){const updatedClips=(t.clips||[]).filter(c=>c.id!==drag.clipId);return{...t,clips:updatedClips,buffer:updatedClips.length>0?updatedClips[0].buffer:null,startTime:updatedClips.length>0?updatedClips[0].startTime:0,name:updatedClips.length>0?updatedClips[0].name:`Track ${t.id}`};}// Update/set clip on target track if(t.id===targetTrackId){const existingClips=t.clips&&t.clips.length>0?t.clips:t.buffer?[{id:'default_'+t.id,buffer:t.buffer,startTime:t.startTime||0,name:t.name}]:[];const hasClip=existingClips.some(c=>c.id===drag.clipId);let updatedClips;if(hasClip){updatedClips=existingClips.map(c=>c.id===drag.clipId?{...c,startTime:newStart}:c);}else{updatedClips=[...existingClips,{id:drag.clipId,buffer:drag.buffer,startTime:newStart,name:drag.name}];}return{...t,clips:updatedClips,buffer:updatedClips[0].buffer,startTime:updatedClips[0].startTime,name:updatedClips[0].name};}return t;}));if(drag.trackId!==targetTrackId){setDraggedClip(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedClipRef.current;if(!drag)return;const afterSnap=captureTrackSnapshotRef.current(drag.trackId);pushAction('MOVE_CLIP',drag.trackId,drag.beforeSnap,afterSnap);setDraggedClip(null);showToast('Đã di chuyển clip.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);// Document-level mousemove/mouseup for clip stretching @@ -537,11 +581,14 @@ const handleDeselectItem=itemId=>{captureSelectionUndo();setSelectedItemIds(prev const handleSaveSectionTabRef=useRef(handleSaveSectionTab);handleSaveSectionTabRef.current=handleSaveSectionTab;const handleAddToSelection=itemId=>{captureSelectionUndo();setSelectedItemIds(prev=>{var next=new Set(prev);next.add(itemId);return next;});};const handleSetPendingDrag=(trackId,itemType,itemId,clickOffset,e,preToggleSnapshot)=>{// Compute selectedIds AFTER the toggle that just happened: // - If itemId was in snapshot (was selected) → toggle removed it → delete // - If itemId was not in snapshot (was not selected) → toggle added it → add -var ids=preToggleSnapshot?new Set(preToggleSnapshot):new Set(selectedItemIds);if(preToggleSnapshot&&preToggleSnapshot.has(itemId)){ids.delete(itemId);}else{ids.add(itemId);}pendingDragRef.current={trackId,itemType,itemId,clickOffset,startX:e.clientX,startY:e.clientY,selectedIds:ids};};// ── Sweep Select ── +var ids=preToggleSnapshot?new Set(preToggleSnapshot):new Set(selectedItemIds);if(preToggleSnapshot&&preToggleSnapshot.has(itemId)){ids.delete(itemId);}else{ids.add(itemId);}pendingDragRef.current={trackId,itemType,itemId,clickOffset,startX:e.clientX,startY:e.clientY,selectedIds:ids,duplicate:true};};// Plain click on an item: select only; the real drag (move) starts after a +// 5px movement threshold. Unifies section/MIDI/clip behavior and prevents +// accidental moves from mouse jitter. +const handleSetPendingDragMove=(trackId,itemType,itemId,clickOffset,e,dragIds)=>{pendingDragRef.current={trackId,itemType,itemId,clickOffset,startX:e.clientX,startY:e.clientY,selectedIds:dragIds,duplicate:false};};// ── Sweep Select ── const handleSweepSelectStart=(trackId,startTime,startY)=>{isSweepingRef.current=true;sweepStartRef.current=startTime;sweepTrackIdRef.current=trackId;sweepStartYRef.current=startY||0;sweepEndYRef.current=startY||0;var init={startTime,endTime:startTime};sweepSelectRef.current=init;setSweepSelect(init);// Do NOT clear selection here – wait until mouseup. // Small movement → deselect all; large movement → marquee toggle. };// ── Section / MIDI Item Drag Start ── -const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset,isDuplicate,pendingSelectedIds)=>{var curTracks=activeTracksRef.current||activeTracks;var multiIds=null;var selIds=pendingSelectedIds||selectedItemIds;if(selIds&&selIds.size>0&&selIds.has(itemId)){var selArr=Array.from(selIds);var originals={};curTracks.forEach(function(t){(t.sections||[]).forEach(function(s){if(selArr.indexOf(s.id)>=0)originals[s.id]={type:'section',start:s.start,trackId:t.id};});(t.midiItems||[]).forEach(function(m){if(selArr.indexOf(m.id)>=0)originals[m.id]={type:'midiItem',start:m.startTime,trackId:t.id};});(t.clips||[]).forEach(function(c){var cid=c.id==='default'?'default_'+t.id:c.id;if(selArr.indexOf(cid)>=0)originals[cid]={type:'clip',start:c.startTime,trackId:t.id};});});if(Object.keys(originals).length>0)multiIds=originals;}if(isDuplicate){var track=curTracks.find(function(t){return t.id===trackId;});if(!track)return;if(multiIds){var newOriginals={};var dupBeforeSnap=captureAllTracksSnapshot();updateActiveTracks(function(prev){return prev.map(function(t){var updatedSections=t.sections?t.sections.slice():[];var updatedMidi=t.midiItems?t.midiItems.slice():[];var updatedClips=t.clips?t.clips.slice():[];Object.keys(multiIds).forEach(function(oid){var info=multiIds[oid];if(info.type==='section'){var sec=(t.sections||[]).find(function(s){return s.id===oid;});if(sec){var rearrangeNewId='sec_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedSections.push({...sec,id:rearrangeNewId,name:sec.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'section',start:sec.start};}}else if(info.type==='midiItem'){var mid=(t.midiItems||[]).find(function(m){return m.id===oid;});if(mid){var rearrangeNewId='midi_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedMidi.push({...mid,id:rearrangeNewId,name:mid.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'midiItem',start:mid.startTime};}}else if(info.type==='clip'){var clip=(t.clips||[]).find(function(c){return c.id===oid||'default_'+t.id===oid;});if(clip){var rearrangeNewId='clip_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedClips.push({...clip,id:rearrangeNewId,startTime:clip.startTime,name:clip.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'clip',start:clip.startTime};}}});return{...t,sections:updatedSections,midiItems:updatedMidi,clips:updatedClips};});});var newItemId=Object.keys(newOriginals)[0]||itemId;var origPos=newOriginals[newItemId]||{start:0};setDraggedSectionItem({trackId,itemType,itemId:newItemId,clickOffset,multiIds:newOriginals,originalPositions:{[newItemId]:origPos.start},beforeSnap:dupBeforeSnap});}else{var items=itemType==='section'?track.sections||[]:track.midiItems||[];var item=items.find(function(it){return it.id===itemId;});if(!item)return;var rearrangeNewId=itemType+'_dup_'+Date.now();var newItem={...item,id:rearrangeNewId,name:item.name+' (Copy)'};var singleDupBeforeSnap=captureAllTracksSnapshot();updateActiveTracks(function(prev){return prev.map(function(t){if(t.id!==trackId)return t;var updated=itemType==='section'?[...(t.sections||[]),newItem]:[...(t.midiItems||[]),newItem];return itemType==='section'?{...t,sections:updated}:{...t,midiItems:updated};});});setDraggedSectionItem({trackId,itemType,itemId:rearrangeNewId,clickOffset,isDuplicate:false,originalPositions:{[rearrangeNewId]:itemType==='section'?item.start:item.startTime},beforeSnap:singleDupBeforeSnap});}}else{var curTrk=activeTracksRef.current?activeTracksRef.current.find(t=>t.id===trackId):null;var its=itemType==='section'?curTrk?.sections||[]:curTrk?.midiItems||[];var it=its.find(function(x){return x.id===itemId;});var origPos=it?itemType==='section'?it.start:it.startTime:0;var beforeSnap=captureAllTracksSnapshot();setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds,originalPositions:{[itemId]:origPos},beforeSnap});}};handleSectionItemDragStartRef.current=handleSectionItemDragStart;// ── Section / MIDI Item Resize Start ── +const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset,isDuplicate,pendingSelectedIds)=>{var curTracks=activeTracksRef.current||activeTracks;var multiIds=null;var selIds=pendingSelectedIds||selectedItemIds;if(selIds&&selIds.size>0&&selIds.has(itemId)){var selArr=Array.from(selIds);var originals={};curTracks.forEach(function(t){(t.sections||[]).forEach(function(s){if(selArr.indexOf(s.id)>=0)originals[s.id]={type:'section',start:s.start,trackId:t.id};});(t.midiItems||[]).forEach(function(m){if(selArr.indexOf(m.id)>=0)originals[m.id]={type:'midiItem',start:m.startTime,trackId:t.id};});(t.clips||[]).forEach(function(c){var cid=c.id==='default'?'default_'+t.id:c.id;if(selArr.indexOf(cid)>=0)originals[cid]={type:'clip',start:c.startTime,trackId:t.id};});});if(Object.keys(originals).length>0)multiIds=originals;}if(isDuplicate){var track=curTracks.find(function(t){return t.id===trackId;});if(!track)return;if(multiIds){var newOriginals={};var dupBeforeSnap=captureAllTracksSnapshot();updateActiveTracks(function(prev){return prev.map(function(t){var updatedSections=t.sections?t.sections.slice():[];var updatedMidi=t.midiItems?t.midiItems.slice():[];var updatedClips=t.clips?t.clips.slice():[];Object.keys(multiIds).forEach(function(oid){var info=multiIds[oid];if(info.type==='section'){var sec=(t.sections||[]).find(function(s){return s.id===oid;});if(sec){var rearrangeNewId='sec_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedSections.push({...sec,id:rearrangeNewId,name:sec.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'section',start:sec.start};}}else if(info.type==='midiItem'){var mid=(t.midiItems||[]).find(function(m){return m.id===oid;});if(mid){var rearrangeNewId='midi_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedMidi.push({...mid,id:rearrangeNewId,name:mid.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'midiItem',start:mid.startTime};}}else if(info.type==='clip'){var clip=(t.clips||[]).find(function(c){return c.id===oid||'default_'+t.id===oid;});if(clip){var rearrangeNewId='clip_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedClips.push({...clip,id:rearrangeNewId,startTime:clip.startTime,name:clip.name+' (Copy)'});newOriginals[rearrangeNewId]={type:'clip',start:clip.startTime};}}});return{...t,sections:updatedSections,midiItems:updatedMidi,clips:updatedClips};});});var newItemId=Object.keys(newOriginals)[0]||itemId;var origPos=newOriginals[newItemId]||{start:0};setDraggedSectionItem({trackId,itemType,itemId:newItemId,clickOffset,multiIds:newOriginals,originalPositions:{[newItemId]:origPos.start},beforeSnap:dupBeforeSnap});}else{var items=itemType==='section'?track.sections||[]:track.midiItems||[];var item=items.find(function(it){return it.id===itemId;});if(!item)return;var rearrangeNewId=itemType+'_dup_'+Date.now();var newItem={...item,id:rearrangeNewId,name:item.name+' (Copy)'};var singleDupBeforeSnap=captureAllTracksSnapshot();updateActiveTracks(function(prev){return prev.map(function(t){if(t.id!==trackId)return t;var updated=itemType==='section'?[...(t.sections||[]),newItem]:[...(t.midiItems||[]),newItem];return itemType==='section'?{...t,sections:updated}:{...t,midiItems:updated};});});setDraggedSectionItem({trackId,itemType,itemId:rearrangeNewId,clickOffset,isDuplicate:false,originalPositions:{[rearrangeNewId]:itemType==='section'?item.start:item.startTime},beforeSnap:singleDupBeforeSnap});}}else{var curTrk=activeTracksRef.current?activeTracksRef.current.find(t=>t.id===trackId):null;var its=itemType==='section'?curTrk?.sections||[]:itemType==='clip'?curTrk?.clips||[]:curTrk?.midiItems||[];var it=its.find(function(x){return x.id===itemId||itemType==='clip'&&itemId==='default_'+curTrk?.id&&x.id==='default';});var origPos=it?itemType==='section'?it.start:it.startTime:0;var beforeSnap=captureAllTracksSnapshot();setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds,originalPositions:{[itemId]:origPos},beforeSnap});}};handleSectionItemDragStartRef.current=handleSectionItemDragStart;// ── Section / MIDI Item Resize Start ── const handleSectionItemResizeStart=(trackId,itemType,itemId,side,clickTime)=>{const curTracks=activeTracks;const track=curTracks.find(t=>t.id===trackId);if(!track)return;const items=itemType==='section'?track.sections:track.midiItems;const item=(items||[]).find(it=>it.id===itemId);if(!item)return;const start=itemType==='section'?item.start:item.startTime;setResizedSectionItem({trackId,itemType,itemId,side,originalStart:start,originalDuration:item.duration});};// ── Document-level mousemove/mouseup for Section/MIDI item drag ── useEffect(()=>{const handleMouseMove=e=>{const drag=draggedSectionItemRef.current;if(!drag)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);const beatSec=60.0/(parseInt(bpm)||120);const secondsPerBar=beatSec*4;const marginBar=maxDurationRef.current-secondsPerBar;const rawStart=Math.max(0,Math.min(time-drag.clickOffset,marginBar));const newStart=snapTime(rawStart,snapValueRef.current,bpmRef.current);const itemPx=newStart*zoom;const keepMargin=80;if(itemPx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=itemPx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(itemPxn+1);}// Compute target track from mouse Y position var allTrks=activeTracksRef.current||[];var mouseY=e.clientY-rect.top;var trackTop=0;var targetIdx=-1;for(var ti=0;ti=trackTop&&mouseY=allTrks.length){for(var ai=allTrks.length;ai<=needIdx;ai++){var exists=outTracks.some(function(ot){return ot.id===(ai+1).toString();});if(!exists){var colors=['#0f766e','#1d4ed8','#701a75','#a21caf','#b45309'];outTracks.push({id:(ai+1).toString(),name:'Track '+(ai+1),buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:colors[ai%colors.length],clips:[],midiItems:[],sections:[],markers:[],isArmed:false,height:140});}}}});updateActiveTracks(function(prev){var trkIds=prev.map(function(tr){return tr.id;});var merged=outTracks.length>0?prev.concat(outTracks.filter(function(ot){return!trkIds.includes(ot.id);})):prev;var allIds=merged.map(function(tr){return tr.id;});return merged.map(function(t){var resS=(t.sections||[]).slice();var resM=(t.midiItems||[]).slice();var resC=(t.clips||[]).slice();Object.keys(drag.multiIds).forEach(function(mid){var inf=drag.multiIds[mid];var newVal=inf.start+delta;var oIdx=allIds.indexOf(inf.trackId);if(oIdx<0)oIdx=baseIdx;var needIdx=Math.max(0,oIdx+crossOffset);var targetTid=needIdx{const drag=draggedSectionItemRef.current;if(!drag)return;var changed=false;var trackId=drag.trackId;var beforeSnap=drag.beforeSnap;var origs=drag.originalPositions||{};updateActiveTracks(function(prev){return prev.map(function(t){var allItemIds=Object.keys(origs);var updatedSections=(t.sections||[]).slice();var updatedMidi=(t.midiItems||[]).slice();var hasChange=false;for(var i=0;i0.001){hasChange=true;changed=true;}}}}if(!hasChange)return t;return{...t,sections:updatedSections,midiItems:updatedMidi};});});if(changed||drag.beforeSnap){var afterSnap=captureAllTracksSnapshot();pushAction('MOVE_ITEM','ALL_TRACKS',drag.beforeSnap||beforeSnap,afterSnap);}if(drag.itemType==='midiItem'){let finalTrackId=null;const curTrks=activeTracksRef.current||activeTracks;for(const t of curTrks){if((t.midiItems||[]).some(m=>m.id===drag.itemId)){finalTrackId=t.id;break;}}if(finalTrackId){const targetTrack=curTrks.find(t=>t.id===finalTrackId);if(targetTrack){setSubTabs(prev=>prev.map(st=>{if(st.target_id===drag.itemId){return{...st,trackId:finalTrackId,instrumentProgram:targetTrack.instrumentProgram!==undefined?targetTrack.instrumentProgram:st.instrumentProgram,instrumentName:targetTrack.instrumentName||st.instrumentName};}return st;}));}}}setDraggedSectionItem(null);showToast('Đã di chuyển '+(drag.itemType==='section'?'section':'MIDI item')+'.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Pending drag: Ctrl+click toggles selection; mousemove > threshold starts copy-drag ── -useEffect(()=>{const handleMouseMove=e=>{var pd=pendingDragRef.current;if(!pd)return;var dx=e.clientX-pd.startX;if(Math.abs(dx)>5){var pdSnap=pendingDragRef.current;pendingDragRef.current=null;if(handleSectionItemDragStartRef.current)handleSectionItemDragStartRef.current(pdSnap.trackId,pdSnap.itemType,pdSnap.itemId,pdSnap.clickOffset,true,pdSnap.selectedIds);}};document.addEventListener('mousemove',handleMouseMove);var handleMouseUp=function(){pendingDragRef.current=null;};document.addEventListener('mouseup',handleMouseUp);return function(){document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);pendingDragRef.current=null;};},[]);// ── Document-level mousemove/mouseup for Section/MIDI item resize ── +updateActiveTracks(function(prev){let movedItem=null;for(let track of prev){const sec=(track.sections||[]).find(function(it){return it.id===drag.itemId;});const mid=(track.midiItems||[]).find(function(it){return it.id===drag.itemId;});if(sec||mid){movedItem=sec||mid;break;}}return prev.map(function(tr){var its=drag.itemType==='section'?(tr.sections||[]).filter(function(it){return it.id!==drag.itemId;}):(tr.midiItems||[]).filter(function(it){return it.id!==drag.itemId;});if(tr.id===targetTrackId&&movedItem){its.push(drag.itemType==='section'?{...movedItem,start:newStart}:{...movedItem,startTime:newStart});}return drag.itemType==='section'?{...tr,sections:its}:{...tr,midiItems:its};});});}};const handleMouseUp=()=>{const drag=draggedSectionItemRef.current;if(!drag)return;var changed=false;var trackId=drag.trackId;var beforeSnap=drag.beforeSnap;var origs=drag.originalPositions||{};updateActiveTracks(function(prev){return prev.map(function(t){var allItemIds=Object.keys(origs);var updatedSections=(t.sections||[]).slice();var updatedMidi=(t.midiItems||[]).slice();var hasChange=false;for(var i=0;i0.001){hasChange=true;changed=true;}}}}if(!hasChange)return t;return{...t,sections:updatedSections,midiItems:updatedMidi};});});if(changed||drag.beforeSnap){var afterSnap=captureAllTracksSnapshot();pushAction('MOVE_ITEM','ALL_TRACKS',drag.beforeSnap||beforeSnap,afterSnap);}if(drag.itemType==='midiItem'){let finalTrackId=null;const curTrks=activeTracksRef.current||activeTracks;for(const t of curTrks){if((t.midiItems||[]).some(m=>m.id===drag.itemId)){finalTrackId=t.id;break;}}if(finalTrackId){const targetTrack=curTrks.find(t=>t.id===finalTrackId);if(targetTrack){setSubTabs(prev=>prev.map(st=>{if(st.target_id===drag.itemId){return{...st,trackId:finalTrackId,instrumentProgram:targetTrack.instrumentProgram!==undefined?targetTrack.instrumentProgram:st.instrumentProgram,instrumentName:targetTrack.instrumentName||st.instrumentName};}return st;}));}}}setDraggedSectionItem(null);showToast('Đã di chuyển '+(drag.itemType==='section'?'section':'MIDI item')+'.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Pending drag: click selects; mousemove > 5px threshold starts the real drag ── +useEffect(()=>{const handleMouseMove=e=>{var pd=pendingDragRef.current;if(!pd)return;var dx=e.clientX-pd.startX;if(Math.abs(dx)>5){var pdSnap=pendingDragRef.current;pendingDragRef.current=null;if(pdSnap.itemType==='clip'&&!pdSnap.duplicate&&(!pdSnap.selectedIds||pdSnap.selectedIds.size<=1)){// Single clip move → clip drag machinery +if(handleClipDragStartRef.current)handleClipDragStartRef.current(pdSnap.trackId,pdSnap.itemId,pdSnap.clickOffset,false);}else if(handleSectionItemDragStartRef.current){handleSectionItemDragStartRef.current(pdSnap.trackId,pdSnap.itemType,pdSnap.itemId,pdSnap.clickOffset,!!pdSnap.duplicate,pdSnap.selectedIds);}}};document.addEventListener('mousemove',handleMouseMove);var handleMouseUp=function(){pendingDragRef.current=null;};document.addEventListener('mouseup',handleMouseUp);return function(){document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);pendingDragRef.current=null;};},[]);// ── Document-level mousemove/mouseup for Section/MIDI item resize ── useEffect(()=>{const handleMouseMove=e=>{const resize=resizedSectionItemRef.current;if(!resize)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;autoScrollTimeline(e.clientX);const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);updateActiveTracks(prev=>prev.map(t=>{if(t.id!==resize.trackId)return t;const items=resize.itemType==='section'?[...(t.sections||[])]:[...(t.midiItems||[])];const idx=items.findIndex(it=>it.id===resize.itemId);if(idx===-1)return t;const item=items[idx];if(resize.side==='left'){const beatSec=60.0/(parseInt(bpm)||120);const newStart=Math.max(0,Math.min(time,resize.originalStart+resize.originalDuration-0.1));const end=resize.originalStart+resize.originalDuration;const newDuration=end-newStart;if(newDuration<0.1)return t;items[idx]=resize.itemType==='section'?{...item,start:newStart,duration:newDuration}:{...item,startTime:newStart,duration:newDuration};}else{const secondsPerBar=60.0/(parseInt(bpm)||120)*4;const marginBar=maxDurationRef.current-secondsPerBar;const clampedTime=Math.min(time,marginBar);const snappedDuration=snapValueRef.current!=='free'?snapTime(clampedTime-resize.originalStart,snapValueRef.current,bpm):clampedTime-resize.originalStart;const newDuration=Math.max(0.1,snappedDuration);items[idx]={...item,duration:newDuration};}return resize.itemType==='section'?{...t,sections:items}:{...t,midiItems:items};}));setCanvasRedrawCount(n=>n+1);const edgePx=(resize.side==='left'?Math.max(0,time):time)*zoom;const keepMargin=80;if(edgePx>scrollLeft+rect.width-keepMargin){wrapper.scrollLeft=edgePx-rect.width+keepMargin;setCanvasRedrawCount(n=>n+1);}else if(edgePxn+1);}};const handleMouseUp=()=>{const resize=resizedSectionItemRef.current;if(!resize)return;setResizedSectionItem(null);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom,activeTab,sessionTabs]);// ── Sweep Select mousemove/mouseup ── useEffect(()=>{const handleMouseMove=e=>{if(!isSweepingRef.current)return;const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=Math.max(0,mouseX/zoom-leadInMarginRef.current);setSweepSelect(prev=>{var updated=prev?{...prev,endTime:time}:null;sweepSelectRef.current=updated;return updated;});};const handleMouseUp=()=>{if(!isSweepingRef.current)return;isSweepingRef.current=false;sweepTrackIdRef.current=null;const sweep=sweepSelectRef.current;sweepSelectRef.current=null;captureSelectionUndo();if(sweep){const start=Math.min(sweep.startTime,sweep.endTime);const end=Math.max(sweep.startTime,sweep.endTime);if(Math.abs(end-start)<0.02){setSelectedItemIds(new Set());setSweepSelect(null);pushSelectionUndo();return;}const curTracks=activeTracksRef.current||[];const found=new Set();curTracks.forEach(t=>{(t.midiItems||[]).forEach(m=>{if(m.startTimestart){found.add(m.id);}});(t.sections||[]).forEach(s=>{if(s.startstart){found.add(s.id);}});(t.clips||[]).forEach(c=>{const dur=c.buffer?c.buffer.duration/(c.speed||1.0):4;if(c.startTimestart){const cid=c.id==='default'?'default_'+t.id:c.id;found.add(cid);}});});setSelectedItemIds(prev=>{const next=new Set(prev);found.forEach(id=>{if(next.has(id))next.delete(id);else next.add(id);});return next;});setSweepSelect(null);sweepTrackIdRef.current=null;pushSelectionUndo();}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);const handleSelectRange=(start,end,reset)=>{captureSelectionUndo();const maxLen=maxDuration;const cleanStart=Math.max(0,Math.min(maxLen,start));const cleanEnd=Math.max(0,Math.min(maxLen,end));if(reset){setSelectionStart(cleanStart);setSelectionEnd(cleanEnd);}else{setSelectionEnd(cleanEnd);}setSelectionCleared(false);pushSelectionUndo();};const handleSelectionInputChange=(field,val)=>{captureSelectionUndo();const numericVal=Math.max(0,parseFloat(val)||0);if(selectionMode==='local'){if(field==='start'){setLocalSelectionStart(numericVal);}else{setLocalSelectionEnd(numericVal);}}else{if(field==='start'){setSelectionStart(numericVal);}else{setSelectionEnd(numericVal);}}pushSelectionUndo();};const selectionStats=useMemo(()=>{if(selLeft===null||selRight===null){return{start:0,end:0,length:0};}const s=Math.min(selLeft,selRight);const e=Math.max(selLeft,selRight);return{start:parseFloat(s.toFixed(3)),end:parseFloat(e.toFixed(3)),length:parseFloat((e-s).toFixed(3))};},[selLeft,selRight]);// ── Handle Drag (selection resize) ── const handleHandleDragStart=(e,side)=>{e.preventDefault();e.stopPropagation();const startX=e.clientX;const useLocal=selectionMode==='local';const currentStart=useLocal?localSelectionStart:selectionStart;const currentEnd=useLocal?localSelectionEnd:selectionEnd;const initialLeft=Math.min(currentStart,currentEnd);const initialRight=Math.max(currentStart,currentEnd);const setStart=useLocal?setLocalSelectionStart:setSelectionStart;const setEnd=useLocal?setLocalSelectionEnd:setSelectionEnd;const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;if(side==='left'){const newLeft=Math.max(0,Math.min(initialRight-0.05,initialLeft+deltaSec));setStart(newLeft);setEnd(initialRight);}else{const newRight=Math.max(initialLeft+0.05,Math.min(maxDuration,initialRight+deltaSec));setStart(initialLeft);setEnd(newRight);}};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};const handleSelectionBodyDragStart=e=>{e.preventDefault();e.stopPropagation();const startX=e.clientX;const useLocal=selectionMode==='local';const currentStart=useLocal?localSelectionStart:selectionStart;const currentEnd=useLocal?localSelectionEnd:selectionEnd;const initialLeft=Math.min(currentStart,currentEnd);const initialRight=Math.max(currentStart,currentEnd);const widthSec=initialRight-initialLeft;const setStart=useLocal?setLocalSelectionStart:setSelectionStart;const setEnd=useLocal?setLocalSelectionEnd:setSelectionEnd;const handleMouseMove=moveEvent=>{const deltaX=moveEvent.clientX-startX;const deltaSec=deltaX/zoom;let newLeft=initialLeft+deltaSec;let newRight=initialRight+deltaSec;if(newLeft<0){newLeft=0;newRight=widthSec;}if(newRight>maxDuration){newRight=maxDuration;newLeft=maxDuration-widthSec;}setStart(newLeft);setEnd(newRight);};const handleMouseUp=()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);};// ── Track Controls ── @@ -641,5 +689,5 @@ const activeSub=activeTab&&subTabs.find(s=>s.id===activeTab&&['PIANO_ROLL','AUDI const bpmVal=parseInt(bpm)||120;const secPerBar=60.0/bpmVal*4;let maxEnd=0;activeTracks.forEach(t=>{(t.clips||[]).forEach(c=>{const end=(c.startTime||0)+(c.duration||0);if(end>maxEnd)maxEnd=end;});(t.items||[]).forEach(it=>{const end=(it.start||0)+(it.duration||4);if(end>maxEnd)maxEnd=end;});});if(maxEnd>0){const loopEnd=maxEnd+secPerBar*2;setSelectionStart(0);setSelectionEnd(loopEnd);}}},className:`w-7 h-7 flex items-center justify-center rounded border transition ${isLoopingSelection?'bg-amber-600 text-black border-amber-500 hover:bg-amber-500':'bg-zinc-800 text-zinc-200 border-zinc-700 hover:bg-zinc-700'}`,title:isLoopingSelection?selLeft!==null&&selRight!==null?"Loop vùng chọn":"Loop timeline":"Bật loop"},/*#__PURE__*/React.createElement("span",{className:"inline-flex items-center shrink-0"},/*#__PURE__*/React.createElement("i",{"data-lucide":"repeat",className:"w-3.5 h-3.5"}))),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold uppercase ml-2"},"Snap"),/*#__PURE__*/React.createElement("select",{value:snapValue,onChange:e=>onSnapChangeue(e.target.value),className:"bg-black text-white text-[14px] px-1.5 py-0.5 rounded border border-zinc-700 focus:outline-none focus:border-cyan-500 font-mono cursor-pointer"},/*#__PURE__*/React.createElement("option",{value:"free"},"Free"),/*#__PURE__*/React.createElement("option",{value:"1"},"1"),/*#__PURE__*/React.createElement("option",{value:"1/2"},"1/2"),/*#__PURE__*/React.createElement("option",{value:"1/4"},"1/4"),/*#__PURE__*/React.createElement("option",{value:"1/8"},"1/8"),/*#__PURE__*/React.createElement("option",{value:"1/16"},"1/16"),/*#__PURE__*/React.createElement("option",{value:"1/32"},"1/32"),/*#__PURE__*/React.createElement("option",{value:"4"},"4")),/*#__PURE__*/React.createElement("div",{className:"w-[1px] h-6 bg-zinc-800 mx-1.5"}),/*#__PURE__*/React.createElement("span",{className:"text-[14px] text-zinc-500 font-bold"},"Bars:"),/*#__PURE__*/React.createElement("input",{type:"number",min:"0",value:beginBar,onChange:e=>{const b=parseInt(e.target.value)||0;setBeginBar(b);const beatDuration=60/parseInt(bpm||120);const 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