From fd24c2dcd82e7aa350c369e185d28b9551024aa7 Mon Sep 17 00:00:00 2001 From: 3dtours Date: Mon, 27 Jul 2026 21:46:20 +0700 Subject: [PATCH] feat: Ctrl+drag sweep select + multi-item copy/drag - Ctrl+drag on empty space: sweep range selection overlay - Mouseup selects all items (MIDI, sections, clips) in sweep - Selected items rendered with amber border highlight - Ctrl+drag on section/MIDI item: duplicates the item - Drag selected items: moves entire selected group together - Ctrl+drag selected items: duplicates the entire group --- app/static/js/app.jsx | 220 +++++++++++++++++++++++++++---- app/static/js/app.precompiled.js | 30 +++-- wiki.md | 6 + 3 files changed, 220 insertions(+), 36 deletions(-) diff --git a/app/static/js/app.jsx b/app/static/js/app.jsx index cd7db01..0e6faf1 100644 --- a/app/static/js/app.jsx +++ b/app/static/js/app.jsx @@ -410,6 +410,8 @@ const WaveformLane = ({ activeTool, onSplitTrackAtTime, onEditClipInSubTab, + selectedItemIds, + onSweepSelectStart, snapValue, bpm, scrollLeft, @@ -701,11 +703,12 @@ const WaveformLane = ({ const secStartLocal = sec.start * zoom - scrollLeftVal; // use secStartLocal NOT secStart const secWidth = sec.duration * zoom; if (secStartLocal + secWidth < 0 || secStartLocal > drawWidth) return; - ctx.fillStyle = sec.color ? sec.color + '44' : 'rgba(6, 182, 212, 0.25)'; + var isSecSelected = selectedItemIds && selectedItemIds.has(sec.id); + ctx.fillStyle = isSecSelected ? 'rgba(245, 158, 11, 0.35)' : (sec.color ? sec.color + '44' : 'rgba(6, 182, 212, 0.25)'); ctx.fillRect(secStartLocal, 2, secWidth, height - 4); - ctx.strokeStyle = sec.color || '#06b6d4'; - ctx.lineWidth = 1; - ctx.setLineDash([4, 4]); + ctx.strokeStyle = isSecSelected ? '#f59e0b' : (sec.color || '#06b6d4'); + ctx.lineWidth = isSecSelected ? 2.5 : 1; + ctx.setLineDash(isSecSelected ? [] : [4, 4]); ctx.strokeRect(secStartLocal, 2, secWidth, height - 4); ctx.setLineDash([]); ctx.fillStyle = '#e4e4e7'; @@ -792,10 +795,11 @@ const WaveformLane = ({ console.log(`[DevLog] [Canvas Draw] Rendering MIDI item: ID=${midi.id}, Name="${midi.name}", Start=${midiStartLocal.toFixed(1)}px, Width=${midiWidth.toFixed(1)}px, NotesCount=${midi.notes?.length || 0}`); } - ctx.fillStyle = isRecordingItem ? 'rgba(239, 68, 68, 0.2)' : '#a78bfa33'; + var isMidiSelected = selectedItemIds && selectedItemIds.has(midi.id); + ctx.fillStyle = isMidiSelected ? 'rgba(245, 158, 11, 0.35)' : (isRecordingItem ? 'rgba(239, 68, 68, 0.2)' : '#a78bfa33'); ctx.fillRect(midiStartLocal, 2, midiWidth, height - 4); - ctx.strokeStyle = isRecordingItem ? '#ef4444' : '#a78bfa'; - ctx.lineWidth = 1.5; + ctx.strokeStyle = isMidiSelected ? '#f59e0b' : (isRecordingItem ? '#ef4444' : '#a78bfa'); + ctx.lineWidth = isMidiSelected ? 2.5 : 1.5; ctx.strokeRect(midiStartLocal, 2, midiWidth, height - 4); ctx.fillStyle = isRecordingItem ? '#fca5a5' : '#c4b5fd'; ctx.font = 'bold 9px sans-serif'; @@ -833,7 +837,7 @@ const WaveformLane = ({ ctx.lineWidth = 1; ctx.strokeRect(hlLeftLocal, 0, hlWidth, height); } - }, [track, zoom, timelineWidth, viewportWidth, isSelected, markers, selectionMode, localSelectionTrackId, localSelLeft, localSelRight, snapValue, bpm, scrollLeft, recordingState, recTempMidiNotes, recStartTimelineTime, canvasRedrawCount, currentTime]); + }, [track, zoom, timelineWidth, viewportWidth, isSelected, markers, selectionMode, localSelectionTrackId, localSelLeft, localSelRight, snapValue, bpm, scrollLeft, recordingState, recTempMidiNotes, recStartTimelineTime, canvasRedrawCount, currentTime, selectedItemIds]); return /*#__PURE__*/React.createElement(React.Fragment, null, /*#__PURE__*/React.createElement("div", { key: "virtual-spacer", style: { @@ -1072,10 +1076,10 @@ const WaveformLane = ({ if (time >= midi.startTime && time < midi.startTime + midi.duration) { hitItem = { type: 'midiItem', id: midi.id, start: midi.startTime }; break; } } } - if (hitItem && !e.altKey && !e.ctrlKey && !e.shiftKey) { + if (hitItem && !e.altKey && !e.shiftKey) { e.preventDefault(); e.stopPropagation(); - if (onSectionItemDragStart) onSectionItemDragStart(track.id, hitItem.type, hitItem.id, time - hitItem.start); + if (onSectionItemDragStart) onSectionItemDragStart(track.id, hitItem.type, hitItem.id, time - hitItem.start, e.ctrlKey); return; } @@ -1136,12 +1140,11 @@ const WaveformLane = ({ return; } - // Check if Ctrl+Click outside active local selection to clear - if (e.ctrlKey) { - if (onClearLocalSelection) onClearLocalSelection(); - if (onSetSelectionMode) onSetSelectionMode(null); - if (onSetSelectionStart) onSetSelectionStart(null); - if (onSetSelectionEnd) onSetSelectionEnd(null); + // Ctrl+Click on empty space: start sweep select + if (e.ctrlKey && !clickedClip && !hitItem) { + e.preventDefault(); + e.stopPropagation(); + if (onSweepSelectStart) onSweepSelectStart(track.id, time); return; } onPlayheadSet(time); @@ -6905,6 +6908,7 @@ const App = () => { bpmRef.current = bpm; // BMP for Tempo Track - LOOP_EDITOR_2.md §6 const [selectedTrackId, setSelectedTrackId] = useState('1'); + const [selectedItemIds, setSelectedItemIds] = useState(new Set()); const [currentTime, setCurrentTime] = useState(0); const [isPlaying, setIsPlaying] = useState(false); const [selectionStart, setSelectionStart] = useState(null); @@ -6913,6 +6917,10 @@ const App = () => { const selectionRef = useRef({ start: null, end: null }); selectionRef.current = { start: selectionStart, end: selectionEnd }; const [selectionMode, setSelectionMode] = useState(null); // 'global' (from ruler) | 'local' (from track) + const [sweepSelect, setSweepSelect] = useState(null); + const isSweepingRef = useRef(false); + const sweepStartRef = useRef(0); + const sweepTrackIdRef = useRef(null); const [localSelectionTrackId, setLocalSelectionTrackId] = useState(null); const [localSelectionStart, setLocalSelectionStart] = useState(null); const [localSelectionEnd, setLocalSelectionEnd] = useState(null); @@ -11611,9 +11619,94 @@ const App = () => { }; }, [zoom]); + // ── Sweep Select ── + const handleSweepSelectStart = (trackId, startTime) => { + isSweepingRef.current = true; + sweepStartRef.current = startTime; + sweepTrackIdRef.current = trackId; + setSweepSelect({ startTime, endTime: startTime }); + setSelectedItemIds(new Set()); + }; + // ── Section / MIDI Item Drag Start ── - const handleSectionItemDragStart = (trackId, itemType, itemId, clickOffset) => { - setDraggedSectionItem({ trackId, itemType, itemId, clickOffset }); + const handleSectionItemDragStart = (trackId, itemType, itemId, clickOffset, isDuplicate) => { + var curTracks = activeTracksRef.current || activeTracks; + var multiIds = null; + if (selectedItemIds && selectedItemIds.size > 0 && selectedItemIds.has(itemId)) { + var selArr = Array.from(selectedItemIds); + 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 }; + }); + (t.midiItems || []).forEach(function(m) { + if (selArr.indexOf(m.id) >= 0) originals[m.id] = { type: 'midiItem', start: m.startTime }; + }); + (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 }; + }); + }); + 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 = {}; + 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 newId = 'sec_dup_' + Date.now() + '_' + Math.random().toString(36).substr(2, 5); + updatedSections.push({ ...sec, id: newId, name: sec.name + ' (Copy)' }); + newOriginals[newId] = { type: 'section', start: sec.start }; + } + } else if (info.type === 'midiItem') { + var mid = (t.midiItems || []).find(function(m) { return m.id === oid; }); + if (mid) { + var newId = 'midi_dup_' + Date.now() + '_' + Math.random().toString(36).substr(2, 5); + updatedMidi.push({ ...mid, id: newId, name: mid.name + ' (Copy)' }); + newOriginals[newId] = { 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 newId = 'clip_dup_' + Date.now() + '_' + Math.random().toString(36).substr(2, 5); + updatedClips.push({ ...clip, id: newId, startTime: clip.startTime, name: clip.name + ' (Copy)' }); + newOriginals[newId] = { type: 'clip', start: clip.startTime }; + } + } + }); + var changed = t.sections && t.sections.length !== updatedSections.length; + return t.id === trackId ? { ...t, sections: updatedSections, midiItems: updatedMidi, clips: updatedClips } : t; + }); + }); + setDraggedSectionItem({ trackId, itemType, itemId, clickOffset, multiIds: newOriginals }); + } else { + var items = itemType === 'section' ? (track.sections || []) : (track.midiItems || []); + var item = items.find(function(it) { return it.id === itemId; }); + if (!item) return; + var newId = itemType + '_dup_' + Date.now(); + var newItem = { ...item, id: newId, name: item.name + ' (Copy)' }; + 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: newId, clickOffset, isDuplicate: false }); + } + return; + } + setDraggedSectionItem({ trackId, itemType, itemId, clickOffset, multiIds }); }; // ── Section / MIDI Item Resize Start ── @@ -11666,6 +11759,26 @@ const App = () => { } } return prev.map(t => { + if (drag.multiIds) { + var dragOrigStart = drag.multiIds[drag.itemId] ? drag.multiIds[drag.itemId].start : 0; + var delta = newStart - dragOrigStart; + var midSections = (t.sections || []).slice(); + var midMidis = (t.midiItems || []).slice(); + Object.keys(drag.multiIds).forEach(function(mid) { + var info = drag.multiIds[mid]; + var newVal = info.start + delta; + if (info.type === 'section') { + var idx = midSections.findIndex(function(s) { return s.id === mid; }); + if (idx >= 0) midSections[idx] = { ...midSections[idx], start: Math.max(0, newVal) }; + } else if (info.type === 'midiItem') { + var idx = midMidis.findIndex(function(m) { return m.id === mid; }); + if (idx >= 0) midMidis[idx] = { ...midMidis[idx], startTime: Math.max(0, newVal) }; + } + }); + return t.id === targetTrackId + ? { ...t, sections: midSections, midiItems: midMidis } + : { ...t, sections: (t.id === drag.trackId ? midSections : t.sections), midiItems: (t.id === drag.trackId ? midMidis : t.midiItems) }; + } const items = drag.itemType === 'section' ? (t.sections || []) : (t.midiItems || []); const updatedItems = items.filter(it => it.id !== drag.itemId); if (t.id === targetTrackId) { @@ -11767,6 +11880,61 @@ const App = () => { }; }, [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 => prev ? { ...prev, endTime: time } : null); + }; + const handleMouseUp = () => { + if (!isSweepingRef.current) return; + isSweepingRef.current = false; + const sweep = sweepSelect; + if (sweep && sweepTrackIdRef.current) { + const tId = sweepTrackIdRef.current; + const start = Math.min(sweep.startTime, sweep.endTime); + const end = Math.max(sweep.startTime, sweep.endTime); + const curTracks = activeTracksRef.current || []; + const found = new Set(); + curTracks.forEach(t => { + if (t.id !== tId) return; + (t.midiItems || []).forEach(m => { + if (m.startTime < end && m.startTime + m.duration > start) { + found.add(m.id); + } + }); + (t.sections || []).forEach(s => { + if (s.start < end && s.start + s.duration > start) { + found.add(s.id); + } + }); + (t.clips || []).forEach(c => { + const dur = c.buffer ? c.buffer.duration / (c.speed || 1.0) : 4; + if (c.startTime < end && c.startTime + dur > start) { + const cid = c.id === 'default' ? 'default_' + t.id : c.id; + found.add(cid); + } + }); + }); + setSelectedItemIds(found); + setSweepSelect(null); + sweepTrackIdRef.current = null; + } + }; + document.addEventListener('mousemove', handleMouseMove); + document.addEventListener('mouseup', handleMouseUp); + return () => { + document.removeEventListener('mousemove', handleMouseMove); + document.removeEventListener('mouseup', handleMouseUp); + }; + }, [zoom]); + const handleSelectRange = (start, end, reset) => { const maxLen = maxDuration; const cleanStart = Math.max(0, Math.min(maxLen, start)); @@ -16308,9 +16476,11 @@ const App = () => { onSelectRange: handleSelectRange, onPlayheadSet: handlePlayheadSet, isSelected: isSelected, - onSelectTrack: setSelectedTrackId, - markers: track.markers, - onTrackLaneMouseDown: handleTrackLaneMouseDown, + selectedItemIds: selectedItemIds, + onSelectTrack: setSelectedTrackId, + markers: track.markers, + onTrackLaneMouseDown: handleTrackLaneMouseDown, + onSweepSelectStart: handleSweepSelectStart, onContextMenu: handleContextMenu, onClipDragStart: handleClipDragStart, onClipStretchStart: handleClipStretchStart, @@ -16359,7 +16529,13 @@ const App = () => { }), /*#__PURE__*/React.createElement("div", { className: "absolute -right-[1px] top-0 bottom-0 w-[2px] bg-amber-400 z-30 pointer-events-auto cursor-ew-resize", onMouseDown: e => handleHandleDragStart(e, 'right') - })), track.buffer && /*#__PURE__*/React.createElement("div", { + })), sweepSelect && sweepTrackIdRef.current === track.id && /*#__PURE__*/React.createElement("div", { + className: "absolute top-0 bottom-0 border-l border-r border-amber-400 bg-amber-500/10 z-20 pointer-events-none", + style: { + left: `${Math.min(sweepSelect.startTime, sweepSelect.endTime) * zoom}px`, + width: `${Math.abs(sweepSelect.endTime - sweepSelect.startTime) * zoom}px` + } + }), track.buffer && /*#__PURE__*/React.createElement("div", { className: "absolute right-2 top-2 flex items-center gap-1 z-10 opacity-70 hover:opacity-100" }, /*#__PURE__*/React.createElement("button", { onClick: () => handleSplitTrack(track.id), diff --git a/app/static/js/app.precompiled.js b/app/static/js/app.precompiled.js index 22b5956..a1a9b3b 100644 --- a/app/static/js/app.precompiled.js +++ b/app/static/js/app.precompiled.js @@ -18,7 +18,7 @@ if(this.onPCMChunk){this.onPCMChunk(chunk);}}};// Route Audio Nodes this.sourceNode.connect(this.workletNode);// Enable Live Input Monitoring if requested if(enableMonitoring&&destinationTrackGainNode){this.sourceNode.connect(destinationTrackGainNode);}}async stop(){this.isRecording=false;if(this.sourceNode&&this.workletNode){try{this.sourceNode.disconnect(this.workletNode);}catch(e){}}if(this.mediaStream){this.mediaStream.getTracks().forEach(track=>track.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 WaveformLane=({track,zoom,timelineWidth,viewportWidth,onSelectRange,onPlayheadSet,isSelected,onSelectTrack,markers,selectionMode,localSelectionTrackId,localSelectionStart,currentTime,getLocalAnchor,onClearLocalSelection,onSetSelectionMode,onSetSelectionStart,onSetSelectionEnd,onSetCurrentTime,onSetLocalSelectionTrackId,onSetLocalSelectionStart,onSetLocalSelectionEnd,localSelLeft,localSelRight,onTrackLaneMouseDown,onContextMenu,onClipDragStart,onClipStretchStart,onSectionItemDragStart,onSectionItemResizeStart,onEditSectionInTab,onEditMidiInTab,onSelectionEdgeDragStart,setSelectedClipId,selectedClipId,activeTool,onSplitTrackAtTime,onEditClipInSubTab,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 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 WaveformLane=({track,zoom,timelineWidth,viewportWidth,onSelectRange,onPlayheadSet,isSelected,onSelectTrack,markers,selectionMode,localSelectionTrackId,localSelectionStart,currentTime,getLocalAnchor,onClearLocalSelection,onSetSelectionMode,onSetSelectionStart,onSetSelectionEnd,onSetCurrentTime,onSetLocalSelectionTrackId,onSetLocalSelectionStart,onSetLocalSelectionEnd,localSelLeft,localSelRight,onTrackLaneMouseDown,onContextMenu,onClipDragStart,onClipStretchStart,onSectionItemDragStart,onSectionItemResizeStart,onEditSectionInTab,onEditMidiInTab,onSelectionEdgeDragStart,setSelectedClipId,selectedClipId,activeTool,onSplitTrackAtTime,onEditClipInSubTab,selectedItemIds,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;const firstBeatNum=Math.floor(tStart/beatDuration);const lastBeatNum=Math.ceil(tEnd/beatDuration);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;}for(let bn=firstBeatNum;bn<=lastBeatNum;bn++){const t=bn*beatDuration;const beatNum=bn+1;const isBar=beatNum%4===1;const localX=(t-tStart)*zoom;if(localX<-CLIP_BUFFER||localX>drawWidth+CLIP_BUFFER)continue;ctx.strokeStyle=isBar?'rgba(255, 255, 255, 0.12)':'rgba(255, 255, 255, 0.04)';ctx.lineWidth=isBar?1.2:0.5;ctx.beginPath();ctx.moveTo(localX,0);ctx.lineTo(localX,height);ctx.stroke();if(isBar&&zoom>=2){ctx.fillStyle='rgba(255, 255, 255, 0.15)';ctx.font='bold 7px Inter, sans-serif';ctx.textAlign='left';ctx.fillText(`${Math.floor((beatNum-1)/4)}`,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 numChannels=clip.buffer.numberOfChannels||1;const dataL=clip.buffer.getChannelData(0);const dataR=numChannels>=2?clip.buffer.getChannelData(1):dataL;const sampleRate=clip.buffer.sampleRate;const totalSamples=dataL.length;const originalDuration=totalSamples/sampleRate;const clipSpeed=clip.speed||1.0;const duration=originalDuration/clipSpeed;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 @@ -34,12 +34,12 @@ const visibleTStart=(drawXStartLocal-xStartLocal)/zoom;const visibleTEnd=(drawXE if(samplesPerPixel<0.3){const maxNodes=5000;const step=Math.max(1,Math.floor((endSample-startSample)/maxNodes));ctx.fillStyle='#6ee7b7';let drawn=0;for(let i=startSample;imaxVal)maxVal=abs;}const peakHeight=maxVal*peakRatio;ctx.beginPath();ctx.moveTo(pxLocal,mid-peakHeight);ctx.lineTo(pxLocal,mid+peakHeight);ctx.stroke();}}});});}else{ctx.fillStyle='#444';ctx.font='12px Inter, sans-serif';ctx.textAlign='center';ctx.fillText('Kéo thả hoặc tải file âm thanh vào Track này',drawWidth/2,height/2);}// Draw sections const sections=track.sections||[];sections.forEach(sec=>{const secStartLocal=sec.start*zoom-scrollLeftVal;// use secStartLocal NOT secStart -const secWidth=sec.duration*zoom;if(secStartLocal+secWidth<0||secStartLocal>drawWidth)return;ctx.fillStyle=sec.color?sec.color+'44':'rgba(6, 182, 212, 0.25)';ctx.fillRect(secStartLocal,2,secWidth,height-4);ctx.strokeStyle=sec.color||'#06b6d4';ctx.lineWidth=1;ctx.setLineDash([4,4]);ctx.strokeRect(secStartLocal,2,secWidth,height-4);ctx.setLineDash([]);ctx.fillStyle='#e4e4e7';ctx.font='bold 9px sans-serif';ctx.fillText(sec.name||'Section',Math.max(secStartLocal+4,4),14);// Draw sub-tracks within section +const secWidth=sec.duration*zoom;if(secStartLocal+secWidth<0||secStartLocal>drawWidth)return;var isSecSelected=selectedItemIds&&selectedItemIds.has(sec.id);ctx.fillStyle=isSecSelected?'rgba(245, 158, 11, 0.35)':sec.color?sec.color+'44':'rgba(6, 182, 212, 0.25)';ctx.fillRect(secStartLocal,2,secWidth,height-4);ctx.strokeStyle=isSecSelected?'#f59e0b':sec.color||'#06b6d4';ctx.lineWidth=isSecSelected?2.5:1;ctx.setLineDash(isSecSelected?[]:[4,4]);ctx.strokeRect(secStartLocal,2,secWidth,height-4);ctx.setLineDash([]);ctx.fillStyle='#e4e4e7';ctx.font='bold 9px sans-serif';ctx.fillText(sec.name||'Section',Math.max(secStartLocal+4,4),14);// Draw sub-tracks within section const subTracks=sec.tracks||[];const subTrackCount=Math.min(subTracks.length,4);const subTrackHeight=(height-20)/Math.max(1,subTrackCount);const subColors=['#fbbf24','#a78bfa','#ec4899','#10b981'];ctx.save();ctx.beginPath();ctx.rect(secStartLocal,2,secWidth,height-4);ctx.clip();for(let stIdx=0;stIdx{if(!cl.buffer)return;const sr=cl.buffer.sampleRate;const bufData=cl.buffer.getChannelData(0);const bufLen=bufData.length;const clStartLocal=cl.startTime||0;const clDurLocal=bufLen/sr/(cl.speed||1.0);const clStartMain=secStartLocal+clStartLocal*zoom;const clW=Math.max(1,clDurLocal*zoom);const peakSamples=Math.max(10,Math.min(100,Math.floor(clW/3)));const step=Math.max(1,Math.floor(bufLen/peakSamples));for(let p=0;pmaxVal)maxVal=abs;}const bx=clStartMain+p/peakSamples*clW;const barH=Math.max(1,maxVal*(subTrackHeight*0.7));const barY=subY+(subTrackHeight-barH)/2;ctx.fillStyle=subColors[stIdx]+'99';ctx.fillRect(bx,barY,Math.max(1,clW/peakSamples),barH);}});// Draw MIDI items as colored note bars const subMidi=sub.midiItems||[];subMidi.forEach(item=>{const itemStartLocal=secStartLocal+(item.startTime||0)*zoom;const itemDurLocal=(item.duration||1)*zoom;const notes=item.notes||[];const pitchMin=36;const pitchMax=84;notes.forEach(note=>{const beatSec=60.0/(parseInt(bpm)||120);const noteStartSec=(note.start_beat||0)*beatSec;const noteDurSec=Math.max(0.02,(note.duration_beats||0.25)*beatSec);const noteStartLocal=itemStartLocal+noteStartSec*zoom;const nw=noteDurSec*zoom;const pitchFrac=Math.max(0,Math.min(1,(note.pitch-pitchMin)/(pitchMax-pitchMin)));const ny=subY+2+(1.0-pitchFrac)*(subTrackHeight-6);const nh=Math.max(4,(subTrackHeight-6)/(pitchMax-pitchMin)*3);ctx.fillStyle=subColors[stIdx]+'cc';ctx.fillRect(Math.max(noteStartLocal,secStartLocal+2),ny,Math.max(2,nw),nh);});});}ctx.restore();});// Draw MIDI items -const midiItems=track.midiItems||[];midiItems.forEach(midi=>{const midiStartLocal=midi.startTime*zoom-scrollLeftVal;const midiWidth=midi.duration*zoom;if(midiStartLocal+midiWidth<0||midiStartLocal>drawWidth)return;const isRecordingItem=midi.name==='Recording...';if(isRecordingItem&&Math.random()<0.05){console.log(`[DevLog] [Canvas Draw] Rendering MIDI item: ID=${midi.id}, Name="${midi.name}", Start=${midiStartLocal.toFixed(1)}px, Width=${midiWidth.toFixed(1)}px, NotesCount=${midi.notes?.length||0}`);}ctx.fillStyle=isRecordingItem?'rgba(239, 68, 68, 0.2)':'#a78bfa33';ctx.fillRect(midiStartLocal,2,midiWidth,height-4);ctx.strokeStyle=isRecordingItem?'#ef4444':'#a78bfa';ctx.lineWidth=1.5;ctx.strokeRect(midiStartLocal,2,midiWidth,height-4);ctx.fillStyle=isRecordingItem?'#fca5a5':'#c4b5fd';ctx.font='bold 9px sans-serif';ctx.fillText(isRecordingItem?'[Ghi MIDI...]':midi.name||'MIDI',Math.max(midiStartLocal+4,4),14);const midiNotes=midi.notes||[];if(midiNotes.length>0){const secondsPerBeat=60.0/(parseInt(bpm)||120);const pitchMin=36;const pitchMax=84;midiNotes.forEach(note=>{const noteStartSec=(note.start_beat||0)*secondsPerBeat;const noteDurSec=Math.max(0.02,(note.duration_beats||0.25)*secondsPerBeat);const noteStartLocal=(midi.startTime+noteStartSec)*zoom-scrollLeftVal;const nw=noteDurSec*zoom;if(noteStartLocal+nwmidiStartLocal+midiWidth)return;const pitchFrac=Math.max(0,Math.min(1,(note.pitch-pitchMin)/(pitchMax-pitchMin)));const ny=18+(1.0-pitchFrac)*(height-26);const nh=Math.max(6,(height-26)/(pitchMax-pitchMin)*4);ctx.fillStyle=isRecordingItem?'#10b981':'#a78bfa';ctx.fillRect(Math.max(noteStartLocal,midiStartLocal+2),ny,Math.max(2,nw),nh);});}});// Selection highlight - local selection on this track -if(selectionMode==='local'&&localSelectionTrackId===track.id&&localSelLeft!==null&&localSelRight!==null&&localSelRight>localSelLeft){const hlLeftLocal=localSelLeft*zoom-scrollLeftVal;const hlWidth=(localSelRight-localSelLeft)*zoom;ctx.fillStyle='rgba(245, 158, 11, 0.15)';ctx.fillRect(hlLeftLocal,0,hlWidth,height);ctx.strokeStyle='#f59e0b';ctx.lineWidth=1;ctx.strokeRect(hlLeftLocal,0,hlWidth,height);}},[track,zoom,timelineWidth,viewportWidth,isSelected,markers,selectionMode,localSelectionTrackId,localSelLeft,localSelRight,snapValue,bpm,scrollLeft,recordingState,recTempMidiNotes,recStartTimelineTime,canvasRedrawCount,currentTime]);return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{key:"virtual-spacer",style:{width:`${timelineWidth}px`,height:'1px',pointerEvents:'none'}}),/*#__PURE__*/React.createElement("canvas",{ref:canvasRef,style:{position:'sticky',left:0,imageRendering:'pixelated'},className:"cursor-crosshair",onMouseMove:e=>{if(!canvasRef.current)return;const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);const clips=track.clips&&track.clips.length>0?track.clips:track.buffer?[{id:'default',buffer:track.buffer,startTime:track.startTime||0,name:track.name,speed:track.speed||1.0}]:[];// 1. Shift+Drag (TOP PRIORITY): Range selection on track waveform +const midiItems=track.midiItems||[];midiItems.forEach(midi=>{const midiStartLocal=midi.startTime*zoom-scrollLeftVal;const midiWidth=midi.duration*zoom;if(midiStartLocal+midiWidth<0||midiStartLocal>drawWidth)return;const isRecordingItem=midi.name==='Recording...';if(isRecordingItem&&Math.random()<0.05){console.log(`[DevLog] [Canvas Draw] Rendering MIDI item: ID=${midi.id}, Name="${midi.name}", Start=${midiStartLocal.toFixed(1)}px, Width=${midiWidth.toFixed(1)}px, NotesCount=${midi.notes?.length||0}`);}var isMidiSelected=selectedItemIds&&selectedItemIds.has(midi.id);ctx.fillStyle=isMidiSelected?'rgba(245, 158, 11, 0.35)':isRecordingItem?'rgba(239, 68, 68, 0.2)':'#a78bfa33';ctx.fillRect(midiStartLocal,2,midiWidth,height-4);ctx.strokeStyle=isMidiSelected?'#f59e0b':isRecordingItem?'#ef4444':'#a78bfa';ctx.lineWidth=isMidiSelected?2.5:1.5;ctx.strokeRect(midiStartLocal,2,midiWidth,height-4);ctx.fillStyle=isRecordingItem?'#fca5a5':'#c4b5fd';ctx.font='bold 9px sans-serif';ctx.fillText(isRecordingItem?'[Ghi MIDI...]':midi.name||'MIDI',Math.max(midiStartLocal+4,4),14);const midiNotes=midi.notes||[];if(midiNotes.length>0){const secondsPerBeat=60.0/(parseInt(bpm)||120);const pitchMin=36;const pitchMax=84;midiNotes.forEach(note=>{const noteStartSec=(note.start_beat||0)*secondsPerBeat;const noteDurSec=Math.max(0.02,(note.duration_beats||0.25)*secondsPerBeat);const noteStartLocal=(midi.startTime+noteStartSec)*zoom-scrollLeftVal;const nw=noteDurSec*zoom;if(noteStartLocal+nwmidiStartLocal+midiWidth)return;const pitchFrac=Math.max(0,Math.min(1,(note.pitch-pitchMin)/(pitchMax-pitchMin)));const ny=18+(1.0-pitchFrac)*(height-26);const nh=Math.max(6,(height-26)/(pitchMax-pitchMin)*4);ctx.fillStyle=isRecordingItem?'#10b981':'#a78bfa';ctx.fillRect(Math.max(noteStartLocal,midiStartLocal+2),ny,Math.max(2,nw),nh);});}});// Selection highlight - local selection on this track +if(selectionMode==='local'&&localSelectionTrackId===track.id&&localSelLeft!==null&&localSelRight!==null&&localSelRight>localSelLeft){const hlLeftLocal=localSelLeft*zoom-scrollLeftVal;const hlWidth=(localSelRight-localSelLeft)*zoom;ctx.fillStyle='rgba(245, 158, 11, 0.15)';ctx.fillRect(hlLeftLocal,0,hlWidth,height);ctx.strokeStyle='#f59e0b';ctx.lineWidth=1;ctx.strokeRect(hlLeftLocal,0,hlWidth,height);}},[track,zoom,timelineWidth,viewportWidth,isSelected,markers,selectionMode,localSelectionTrackId,localSelLeft,localSelRight,snapValue,bpm,scrollLeft,recordingState,recTempMidiNotes,recStartTimelineTime,canvasRedrawCount,currentTime,selectedItemIds]);return/*#__PURE__*/React.createElement(React.Fragment,null,/*#__PURE__*/React.createElement("div",{key:"virtual-spacer",style:{width:`${timelineWidth}px`,height:'1px',pointerEvents:'none'}}),/*#__PURE__*/React.createElement("canvas",{ref:canvasRef,style:{position:'sticky',left:0,imageRendering:'pixelated'},className:"cursor-crosshair",onMouseMove:e=>{if(!canvasRef.current)return;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}]:[];// 1. Shift+Drag (TOP PRIORITY): Range selection on track waveform if(e.shiftKey&&e.buttons>0){e.preventDefault();e.stopPropagation();const currentAnchor=getLocalAnchor?getLocalAnchor():null;const anchor=currentAnchor!==null&¤tAnchor!==undefined?currentAnchor:localSelectionStart!==null?localSelectionStart:currentTime;const selS=Math.min(anchor,time);const selE=Math.max(anchor,time);if(onSetSelectionMode)onSetSelectionMode('local');if(onSetLocalSelectionTrackId)onSetLocalSelectionTrackId(track.id);if(onSetLocalSelectionStart)onSetLocalSelectionStart(selS);if(onSetLocalSelectionEnd)onSetLocalSelectionEnd(selE);if(onSetSelectionStart)onSetSelectionStart(selS);if(onSetSelectionEnd)onSetSelectionEnd(selE);if(onSetCurrentTime)onSetCurrentTime(time);if(onSelectTrack)onSelectTrack(track.id);return;}// Check if hovering near local selection boundaries of this track 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||distToRight<=5){canvasRef.current.style.cursor='ew-resize';return;}}// Check if hovering near right edge of a clip for time-stretching (Alt key required) 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){canvasRef.current.style.cursor='ew-resize';return;}// Check section/MIDI item hover for resize or drag @@ -51,10 +51,10 @@ if(e.ctrlKey&&selectionMode){e.preventDefault();e.stopPropagation();if(onClearLo if(e.shiftKey){e.preventDefault();e.stopPropagation();const currentAnchor=getLocalAnchor?getLocalAnchor():null;const anchor=currentAnchor!==null&¤tAnchor!==undefined?currentAnchor:localSelectionStart!==null?localSelectionStart:currentTime;const selS=Math.min(anchor,time);const selE=Math.max(anchor,time);if(onSetSelectionMode)onSetSelectionMode('local');if(onSetLocalSelectionTrackId)onSetLocalSelectionTrackId(track.id);if(onSetLocalSelectionStart)onSetLocalSelectionStart(selS);if(onSetLocalSelectionEnd)onSetLocalSelectionEnd(selE);if(onSetSelectionStart)onSetSelectionStart(selS);if(onSetSelectionEnd)onSetSelectionEnd(selE);if(onSetCurrentTime)onSetCurrentTime(time);if(onSelectTrack)onSelectTrack(track.id);return;}// Check if dragging selection boundaries (local mode) 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&&timetime>=c.startTime&&time=sec.start&&time=midi.startTime&&timetime>=c.startTime&&time{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 +if(clickedClip&&(e.altKey||e.ctrlKey)){e.preventDefault();e.stopPropagation();if(onClipDragStart){onClipDragStart(track.id,clickedClip.id,time-clickedClip.startTime,e.ctrlKey);}return;}// Ctrl+Click on empty space: start sweep select +if(e.ctrlKey&&!clickedClip&&!hitItem){e.preventDefault();e.stopPropagation();if(onSweepSelectStart)onSweepSelectStart(track.id,time);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=midi.startTime&&timetime>=c.startTime&&time{e.preventDefault();e.stopPropagation();onSelectTrack(track.id);const rect=canvasRef.current.getBoundingClientRect();const x=e.clientX-rect.left+(scrollLeft||0);const time=Math.max(0,x/zoom-leadInMargin);// Detect section under cursor const secList=track.sections||[];let hitSectionId=null;for(const sec of secList){if(time>=sec.start&&time{const canvasRef=useRef(null);const RULER_HEIGHT=40;const drawWidth=Math.min(timelineWidth,viewportWidth);useEffect(()=>{const canvas=canvasRef.current;if(!canvas)return;const ctx=canvas.getContext('2d');const dpr=window.devicePixelRatio||1;let scrollLeftVal=scrollLeft||0;const height=RULER_HEIGHT;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='#242424';ctx.fillRect(0,0,drawWidth,height);ctx.strokeStyle='rgba(255,255,255,0.08)';ctx.lineWidth=1;ctx.beginPath();ctx.moveTo(0,height-0.5);ctx.lineTo(drawWidth,height-0.5);ctx.stroke();const CLIP_BUFFER=400;const PADDING_LEFT=0;const tStart=scrollLeftVal/zoom-PADDING_LEFT;const tEnd=(scrollLeftVal+drawWidth)/zoom+CLIP_BUFFER/zoom;// Draw bar markers (aligned with TempoTrackLane) @@ -186,8 +186,8 @@ updateActiveTracks(prev=>prev.map(t=>{if(t.id!==trackId)return t;const sfClean=i const cachedSf=(instrumentSelectorData?.soundfonts||[]).find(s=>s.id===instrumentId||s.id===sfIdParam);if(cachedSf&&cachedSf.presets){setSfPresets(cachedSf.presets);}else{window.SonicAPI.listSoundfontInstruments(sfIdParam).then(data=>setSfPresets(data.presets||[])).catch(e=>{console.error('listSoundfontInstruments failed:',e);setSfPresets([]);});}}else{setTrackInstrumentWithProgram(trackId,instrumentId,undefined,displayName);}};const[activeTool,setActiveTool]=useState('select');// 'select' | 'grab' | 'razor' const[snapValue,setSnapValue]=useState('free');// 'free', '1', '1/2', '1/4', '1/8', '1/16', '1/32' const snapTime=(time,snapVal,bpmVal)=>{if(snapVal==='free')return time;const beatDuration=60/parseFloat(bpmVal||120);let divisor=1;if(snapVal==='4')divisor=4;else if(snapVal==='1')divisor=1;else if(snapVal==='1/2')divisor=0.5;else if(snapVal==='1/4')divisor=0.25;else if(snapVal==='1/8')divisor=0.125;else if(snapVal==='1/16')divisor=0.0625;else if(snapVal==='1/32')divisor=0.03125;const gridSpacing=beatDuration*divisor;return Math.round(time/gridSpacing)*gridSpacing;};const snapValueRef=useRef(snapValue);snapValueRef.current=snapValue;const bpmRef=useRef(bpm);bpmRef.current=bpm;// BMP for Tempo Track - LOOP_EDITOR_2.md §6 -const[selectedTrackId,setSelectedTrackId]=useState('1');const[currentTime,setCurrentTime]=useState(0);const[isPlaying,setIsPlaying]=useState(false);const[selectionStart,setSelectionStart]=useState(null);const[selectionEnd,setSelectionEnd]=useState(null);const[selectionFollowsTempo,setSelectionFollowsTempo]=useState(true);const selectionRef=useRef({start:null,end:null});selectionRef.current={start:selectionStart,end:selectionEnd};const[selectionMode,setSelectionMode]=useState(null);// 'global' (from ruler) | 'local' (from track) -const[localSelectionTrackId,setLocalSelectionTrackId]=useState(null);const[localSelectionStart,setLocalSelectionStart]=useState(null);const[localSelectionEnd,setLocalSelectionEnd]=useState(null);const[zoom,setZoom]=useState(100);const[isLoopingSelection,setIsLoopingSelection]=useState(false);const[beginBar,setBeginBar]=useState(0);const[endBar,setEndBar]=useState(0);const[numberBar,setNumberBar]=useState(1);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const soloedTrack=tracks.find(t=>t.solo);const soloedTrackId=soloedTrack?soloedTrack.id:null;const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');const handleMidiInputSelect=id=>{setSelectedMidiInputId(id);if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{const inputs=[];for(let input of access.inputs.values()){inputs.push(input);input.onmidimessage=msg=>{console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;const cmd=msg.data[0]>>4;const pitch=msg.data[1];const velocity=msg.data[2];if(cmd===0x9&&velocity>0){lastMidiNoteRef.current={pitch,velocity,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(new Set(activeMidiPitchesRef.current));// Route MIDI input to ALL armed tracks on their dedicated channels +const[selectedTrackId,setSelectedTrackId]=useState('1');const[selectedItemIds,setSelectedItemIds]=useState(new Set());const[currentTime,setCurrentTime]=useState(0);const[isPlaying,setIsPlaying]=useState(false);const[selectionStart,setSelectionStart]=useState(null);const[selectionEnd,setSelectionEnd]=useState(null);const[selectionFollowsTempo,setSelectionFollowsTempo]=useState(true);const selectionRef=useRef({start:null,end:null});selectionRef.current={start:selectionStart,end:selectionEnd};const[selectionMode,setSelectionMode]=useState(null);// 'global' (from ruler) | 'local' (from track) +const[sweepSelect,setSweepSelect]=useState(null);const isSweepingRef=useRef(false);const sweepStartRef=useRef(0);const sweepTrackIdRef=useRef(null);const[localSelectionTrackId,setLocalSelectionTrackId]=useState(null);const[localSelectionStart,setLocalSelectionStart]=useState(null);const[localSelectionEnd,setLocalSelectionEnd]=useState(null);const[zoom,setZoom]=useState(100);const[isLoopingSelection,setIsLoopingSelection]=useState(false);const[beginBar,setBeginBar]=useState(0);const[endBar,setEndBar]=useState(0);const[numberBar,setNumberBar]=useState(1);const[subTabHeight,setSubTabHeight]=useState(96);const[isExporting,setIsExporting]=useState(false);const[projectName,setProjectName]=useState(()=>localStorage.getItem('sonic_project_name')||'');const[currentProjectId,setCurrentProjectId]=useState(()=>localStorage.getItem('sonic_project_id')||null);const[saveProjectModalOpen,setSaveProjectModalOpen]=useState(false);const[saveAsModalOpen,setSaveAsModalOpen]=useState(false);const soloedTrack=tracks.find(t=>t.solo);const soloedTrackId=soloedTrack?soloedTrack.id:null;const[toastMessage,setToastMessage]=useState(null);const[audioDevices,setAudioDevices]=useState([]);const[midiDevices,setMidiDevices]=useState([]);const[selectedMidiInputId,setSelectedMidiInputId]=useState('');const handleMidiInputSelect=id=>{setSelectedMidiInputId(id);if(window.SonicRecorderManager){window.SonicRecorderManager.setSelectedMidiInputId(id);}};useEffect(()=>{if(navigator.mediaDevices&&navigator.mediaDevices.enumerateDevices){navigator.mediaDevices.enumerateDevices().then(devices=>{setAudioDevices(devices.filter(d=>d.kind==='audioinput'));}).catch(err=>console.log('Enumerate audio devices error:',err));}if(navigator.requestMIDIAccess){navigator.requestMIDIAccess().then(access=>{const inputs=[];for(let input of access.inputs.values()){inputs.push(input);input.onmidimessage=msg=>{console.log(`[DevLog] [Raw MIDI] Received from "${input.name}" (ID: ${input.id}) - Data:`,Array.from(msg.data));if(msg.data.length<3)return;const cmd=msg.data[0]>>4;const pitch=msg.data[1];const velocity=msg.data[2];if(cmd===0x9&&velocity>0){lastMidiNoteRef.current={pitch,velocity,startTime:performance.now(),length:0};setLastMidiNote({pitch,velocity,length:0,time:Date.now()});activeMidiPitchesRef.current.add(pitch);setActiveMidiPitches(new Set(activeMidiPitchesRef.current));// Route MIDI input to ALL armed tracks on their dedicated channels // Do NOT use raw MIDI hardware channel (msg.data[0] & 0x0F) if(window.SonicSF){var allTracks=activeTracksRef.current||[];var arSubs=subTabsRef&&subTabsRef.current?subTabsRef.current.filter(function(s){return s.type==='PIANO_ROLL'&&s.isArmed;}):[];var armedTracks=allTracks.filter(function(t){return t.isArmed;});// Piano Roll arming has priority: route to each armed sub-tab's parent track if(arSubs.length>0){arSubs.forEach(function(as){var asTrk=allTracks.find(function(t){return t.id===as.trackId;});var asCh=window.SonicPianoRoll?window.SonicPianoRoll.getTrackMidiChannel(asTrk,allTracks):asTrk?asTrk.midiChannel:0;var asProg=as.instrumentProgram;var asSe=as.synth_engine;window.SonicSF.playNote(pitch,velocity,60000,undefined,asProg,null,asCh,asSe);});}// Route to ALL armed tracks (not just the first one) @@ -322,11 +322,13 @@ useEffect(()=>{const handleMouseMove=e=>{if(!localDragInProgressRef.current)retu 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 -useEffect(()=>{const handleMouseMove=e=>{const stretch=stretchedClipRef.current;if(!stretch)return;autoScrollTimeline(e.clientX);const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=mouseX/zoom;const secPerBar=60.0/(parseInt(bpmRef.current)||120)*4;const marginBar=maxDurationRef.current-secPerBar;const maxEnd=Math.min(time,marginBar);const newDuration=Math.max(0.1,maxEnd-stretch.startTime);const speedRatio=stretch.originalDuration/newDuration;updateActiveTracks(prev=>prev.map(t=>{if(t.id===stretch.trackId){const updatedClips=(t.clips||[]).map(c=>{if(c.id===stretch.clipId){return{...c,speed:speedRatio};}return c;});return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer,startTime:updatedClips[0]?.startTime||0,speed:updatedClips[0]?.speed||1.0};}return t;}));};const handleMouseUp=()=>{const stretch=stretchedClipRef.current;if(!stretch)return;const afterSnap=captureTrackSnapshotRef.current(stretch.trackId);pushAction('STRETCH_CLIP',stretch.trackId,stretch.beforeSnap,afterSnap);setStretchedClip(null);showToast('Đã giãn thời gian clip.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);// ── Section / MIDI Item Drag Start ── -const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset)=>{setDraggedSectionItem({trackId,itemType,itemId,clickOffset});};// ── Section / MIDI Item Resize Start ── +useEffect(()=>{const handleMouseMove=e=>{const stretch=stretchedClipRef.current;if(!stretch)return;autoScrollTimeline(e.clientX);const wrapper=timelineWrapperRef.current;if(!wrapper)return;const rect=wrapper.getBoundingClientRect();const scrollLeft=wrapper.scrollLeft;const mouseX=e.clientX-rect.left+scrollLeft;const time=mouseX/zoom;const secPerBar=60.0/(parseInt(bpmRef.current)||120)*4;const marginBar=maxDurationRef.current-secPerBar;const maxEnd=Math.min(time,marginBar);const newDuration=Math.max(0.1,maxEnd-stretch.startTime);const speedRatio=stretch.originalDuration/newDuration;updateActiveTracks(prev=>prev.map(t=>{if(t.id===stretch.trackId){const updatedClips=(t.clips||[]).map(c=>{if(c.id===stretch.clipId){return{...c,speed:speedRatio};}return c;});return{...t,clips:updatedClips,buffer:updatedClips[0]?.buffer,startTime:updatedClips[0]?.startTime||0,speed:updatedClips[0]?.speed||1.0};}return t;}));};const handleMouseUp=()=>{const stretch=stretchedClipRef.current;if(!stretch)return;const afterSnap=captureTrackSnapshotRef.current(stretch.trackId);pushAction('STRETCH_CLIP',stretch.trackId,stretch.beforeSnap,afterSnap);setStretchedClip(null);showToast('Đã giãn thời gian clip.','success');};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);// ── Sweep Select ── +const handleSweepSelectStart=(trackId,startTime)=>{isSweepingRef.current=true;sweepStartRef.current=startTime;sweepTrackIdRef.current=trackId;setSweepSelect({startTime,endTime:startTime});setSelectedItemIds(new Set());};// ── Section / MIDI Item Drag Start ── +const handleSectionItemDragStart=(trackId,itemType,itemId,clickOffset,isDuplicate)=>{var curTracks=activeTracksRef.current||activeTracks;var multiIds=null;if(selectedItemIds&&selectedItemIds.size>0&&selectedItemIds.has(itemId)){var selArr=Array.from(selectedItemIds);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};});(t.midiItems||[]).forEach(function(m){if(selArr.indexOf(m.id)>=0)originals[m.id]={type:'midiItem',start:m.startTime};});(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};});});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={};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 newId='sec_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedSections.push({...sec,id:newId,name:sec.name+' (Copy)'});newOriginals[newId]={type:'section',start:sec.start};}}else if(info.type==='midiItem'){var mid=(t.midiItems||[]).find(function(m){return m.id===oid;});if(mid){var newId='midi_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedMidi.push({...mid,id:newId,name:mid.name+' (Copy)'});newOriginals[newId]={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 newId='clip_dup_'+Date.now()+'_'+Math.random().toString(36).substr(2,5);updatedClips.push({...clip,id:newId,startTime:clip.startTime,name:clip.name+' (Copy)'});newOriginals[newId]={type:'clip',start:clip.startTime};}}});var changed=t.sections&&t.sections.length!==updatedSections.length;return t.id===trackId?{...t,sections:updatedSections,midiItems:updatedMidi,clips:updatedClips}:t;});});setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds:newOriginals});}else{var items=itemType==='section'?track.sections||[]:track.midiItems||[];var item=items.find(function(it){return it.id===itemId;});if(!item)return;var newId=itemType+'_dup_'+Date.now();var newItem={...item,id:newId,name:item.name+' (Copy)'};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:newId,clickOffset,isDuplicate:false});}return;}setDraggedSectionItem({trackId,itemType,itemId,clickOffset,multiIds});};// ── 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);}const targetTrackId=hoveredTrackIdRef.current||drag.trackId;updateActiveTracks(prev=>{let movedItem=null;for(let track of prev){const items=drag.itemType==='section'?track.sections||[]:track.midiItems||[];const found=items.find(it=>it.id===drag.itemId);if(found){movedItem=found;break;}}return prev.map(t=>{const items=drag.itemType==='section'?t.sections||[]:t.midiItems||[];const updatedItems=items.filter(it=>it.id!==drag.itemId);if(t.id===targetTrackId){if(movedItem){updatedItems.push(drag.itemType==='section'?{...movedItem,start:newStart}:{...movedItem,startTime:newStart});}else{if(drag.itemType==='section'){updatedItems.push({id:drag.itemId,name:'Section',start:newStart,duration:4*secondsPerBar,color:'#06b6d4'});}else{updatedItems.push({id:drag.itemId,name:'MIDI Item',startTime:newStart,duration:4*secondsPerBar,notes:[],color:'#a78bfa'});}}}return drag.itemType==='section'?{...t,sections:updatedItems}:{...t,midiItems:updatedItems};});});if(drag.trackId!==targetTrackId){setDraggedSectionItem(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedSectionItemRef.current;if(!drag)return;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]);// ── 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]);const handleSelectRange=(start,end,reset)=>{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);}// LOOP_EDITOR_2.md §4.2: new selection = enable looping +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);}const targetTrackId=hoveredTrackIdRef.current||drag.trackId;updateActiveTracks(prev=>{let movedItem=null;for(let track of prev){const items=drag.itemType==='section'?track.sections||[]:track.midiItems||[];const found=items.find(it=>it.id===drag.itemId);if(found){movedItem=found;break;}}return prev.map(t=>{if(drag.multiIds){var dragOrigStart=drag.multiIds[drag.itemId]?drag.multiIds[drag.itemId].start:0;var delta=newStart-dragOrigStart;var midSections=(t.sections||[]).slice();var midMidis=(t.midiItems||[]).slice();Object.keys(drag.multiIds).forEach(function(mid){var info=drag.multiIds[mid];var newVal=info.start+delta;if(info.type==='section'){var idx=midSections.findIndex(function(s){return s.id===mid;});if(idx>=0)midSections[idx]={...midSections[idx],start:Math.max(0,newVal)};}else if(info.type==='midiItem'){var idx=midMidis.findIndex(function(m){return m.id===mid;});if(idx>=0)midMidis[idx]={...midMidis[idx],startTime:Math.max(0,newVal)};}});return t.id===targetTrackId?{...t,sections:midSections,midiItems:midMidis}:{...t,sections:t.id===drag.trackId?midSections:t.sections,midiItems:t.id===drag.trackId?midMidis:t.midiItems};}const items=drag.itemType==='section'?t.sections||[]:t.midiItems||[];const updatedItems=items.filter(it=>it.id!==drag.itemId);if(t.id===targetTrackId){if(movedItem){updatedItems.push(drag.itemType==='section'?{...movedItem,start:newStart}:{...movedItem,startTime:newStart});}else{if(drag.itemType==='section'){updatedItems.push({id:drag.itemId,name:'Section',start:newStart,duration:4*secondsPerBar,color:'#06b6d4'});}else{updatedItems.push({id:drag.itemId,name:'MIDI Item',startTime:newStart,duration:4*secondsPerBar,notes:[],color:'#a78bfa'});}}}return drag.itemType==='section'?{...t,sections:updatedItems}:{...t,midiItems:updatedItems};});});if(drag.trackId!==targetTrackId){setDraggedSectionItem(prev=>({...prev,trackId:targetTrackId}));}};const handleMouseUp=()=>{const drag=draggedSectionItemRef.current;if(!drag)return;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]);// ── 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=>prev?{...prev,endTime:time}:null);};const handleMouseUp=()=>{if(!isSweepingRef.current)return;isSweepingRef.current=false;const sweep=sweepSelect;if(sweep&&sweepTrackIdRef.current){const tId=sweepTrackIdRef.current;const start=Math.min(sweep.startTime,sweep.endTime);const end=Math.max(sweep.startTime,sweep.endTime);const curTracks=activeTracksRef.current||[];const found=new Set();curTracks.forEach(t=>{if(t.id!==tId)return;(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(found);setSweepSelect(null);sweepTrackIdRef.current=null;}};document.addEventListener('mousemove',handleMouseMove);document.addEventListener('mouseup',handleMouseUp);return()=>{document.removeEventListener('mousemove',handleMouseMove);document.removeEventListener('mouseup',handleMouseUp);};},[zoom]);const handleSelectRange=(start,end,reset)=>{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);}// LOOP_EDITOR_2.md §4.2: new selection = enable looping setSelectionCleared(false);};const handleSelectionInputChange=(field,val)=>{const numericVal=Math.max(0,parseFloat(val)||0);if(selectionMode==='local'){// Editing local selection directly if(field==='start'){setLocalSelectionStart(numericVal);}else{setLocalSelectionEnd(numericVal);}}else{if(field==='start'){setSelectionStart(numericVal);}else{setSelectionEnd(numericVal);}}};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 ── @@ -404,5 +406,5 @@ const itemStartTimeSec=currentTime;const newMidiItem={id:'item_ai_'+Date.now()+' 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02',buffer:null,startTime:0,volumeDb:0,pan:0,muted:false,solo:false,color:'#1d4ed8',markers:[],serverFileId:null,clips:[],sections:[],midiItems:[]}]);setSelectedTrackId('1');setProjectName('');setCurrentProjectId(null);localStorage.removeItem('sonic_project_name');localStorage.removeItem('sonic_project_id');showToast('New project created','info');}},{label:'Open Project...',icon:'folder-open',shortcut:'Ctrl+O',action:()=>handleImportSFS()},{label:'Save Project',icon:'upload-cloud',shortcut:'Ctrl+S',action:()=>handleSaveProject()},{label:'Save As...',icon:'download',shortcut:'Ctrl+Alt+S',action:()=>setSaveAsModalOpen(true)},{sep:true},{label:'Config AI Providers...',icon:'settings',action:()=>setAiConfigModalOpen(true)},{label:'Import Audio...',icon:'file-input',shortcut:'Ctrl+Alt+I',action:()=>{const input=document.createElement('input');input.type='file';input.accept='audio/*';input.onchange=async e=>{if(e.target.files[0]){addNewTrack();const newId=(tracks.length+1).toString();setTimeout(()=>loadFileOnTrack(newId,e.target.files[0]),100);}};input.click();showToast('Import audio','info');}},{label:'Export Mix...',icon:'file-output',action:()=>triggerWavExport()},{label:'Export MIDI...',icon:'music',action:()=>triggerMidiExport()},{sep:true},...(currentUser?[{label:'Profile',icon:'user',action:()=>setProfileModalOpen(true)}]:[]),...(currentUser&¤tUser.role==='admin'?[{label:'System Manager',icon:'settings',action:()=>setSystemManagerModalOpen(true)}]:[]),{label:'Logout',icon:'log-out',action:()=>handleLogout()}]},{label:'Edit',items:[{label:'Insert New Track',icon:'plus',shortcut:'Ctrl+I',action:addNewTrack},{label:'Insert Music to Track',icon:'music',shortcut:'Ctrl+Alt+I',action:()=>showToast('Select music file to insert','info')},{sep:true},{label:'Edit in New Tab',icon:'file-edit',shortcut:'Ctrl+E',action:()=>openTempTab()},{label:'Split at 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Cần test: Ctrl+drag trên ruler → selection overlay xuất hiện. Shift+click vẫn extend selection. --- + +### [2026-07-27 21:47] Task: Ctrl+drag sweep select + multi-item drag/copy +- **Tóm tắt thay đổi:** (1) Ctrl+drag trên empty space (track lane) → sweep select (vùng chọn màu amber), mouseup → chọn tất cả items chạm vùng sweep. (2) Selected items highlight (viền vàng dày). (3) Ctrl+drag trên section/MIDI item → duplicate item. (4) Drag trên selected item → move cả nhóm items đã chọn. (5) Ctrl+drag trên selected item → copy cả nhóm. +- **Các file ảnh hưởng:** `app/static/js/app.jsx`, `app/static/js/app.precompiled.js` +- **Ghi chú/Test (nếu có):** Cần test: Ctrl+drag empty space → sweep overlay + selected items highlight. Click+drag selected item → cả nhóm move. Ctrl+drag selected item → copy nhóm. +---