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Add touch support to months scroll.

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Leo Vasanko
2025-09-24 16:25:40 -06:00
parent e210babe29
commit 365d9e1be2
1 changed files with 7 additions and 6 deletions
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13
src/components/Jogwheel.vue
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@@ -52,17 +52,17 @@ function clampScroll(x) {
function animateTo(target){target=clampScroll(target);const now=performance.now();if(animActive){const p=Math.min(1,(now-animStart)/ANIM_DURATION);animFrom=animFrom+(animTo-animFrom)*easeOutCubic(p);animTo=target;animStart=now;}else{animFrom=props.scrollTop;animTo=target;animStart=now;animActive=true;animFrame=requestAnimationFrame(stepAnim);return}if(!animFrame)animFrame=requestAnimationFrame(stepAnim)}
function stepAnim(){if(!animActive)return;const t=Math.min(1,(performance.now()-animStart)/ANIM_DURATION);const val=animFrom+(animTo-animFrom)*easeOutCubic(t);emit('scroll-to',clampScroll(val));if(t>=1){animActive=false;animFrame=null;return}animFrame=requestAnimationFrame(stepAnim)}
function onDragMouseDown(e){if(e.button!==0)return;if(animActive){const now=performance.now();const p=Math.min(1,(now-animStart)/ANIM_DURATION);const cur=animFrom+(animTo-animFrom)*easeOutCubic(p);animActive=false;animFrame&&cancelAnimationFrame(animFrame);animFrame=null;emit('scroll-to',clampScroll(cur));}cancelDragMomentum();isDragging.value=true;mainStartScroll=props.scrollTop;accumDelta=0;lastClientY=e.clientY;dragSamples=[{t:performance.now(),s:mainStartScroll}];if(jogwheelViewport.value&&jogwheelViewport.value.requestPointerLock)jogwheelViewport.value.requestPointerLock();window.addEventListener('mousemove',onDragMouseMove,{passive:false});window.addEventListener('mouseup',onDragMouseUp,{passive:false});e.preventDefault()}
function onDragPointerDown(e){if(e.button!==0)return;if(animActive){const now=performance.now();const p=Math.min(1,(now-animStart)/ANIM_DURATION);const cur=animFrom+(animTo-animFrom)*easeOutCubic(p);animActive=false;animFrame&&cancelAnimationFrame(animFrame);animFrame=null;emit('scroll-to',clampScroll(cur));}cancelDragMomentum();isDragging.value=true;mainStartScroll=props.scrollTop;accumDelta=0;lastClientY=e.clientY;dragSamples=[{t:performance.now(),s:mainStartScroll}];if(jogwheelViewport.value&&jogwheelViewport.value.requestPointerLock)jogwheelViewport.value.requestPointerLock();window.addEventListener('pointermove',onDragPointerMove,{passive:false});window.addEventListener('pointerup',onDragPointerUp,{passive:false});window.addEventListener('pointercancel',onDragPointerUp,{passive:false});e.preventDefault()}
function onDragMouseMove(e){if(!isDragging.value) return;let dy=typeof e.movementY==='number'?e.movementY:0;if(!pointerLocked){if(lastClientY!=null)dy=e.clientY-lastClientY;lastClientY=e.clientY;}accumDelta+=dy;let desired=mainStartScroll-accumDelta*SPEED_DRAG;if(desired<0)desired=0;const maxScroll=Math.max(0,props.totalVirtualWeeks*props.rowHeight-props.viewportHeight);if(desired>maxScroll)desired=maxScroll;emit('scroll-to',desired);dragSamples.push({t:performance.now(),s:desired});e.preventDefault()}
function onDragPointerMove(e){if(!isDragging.value) return;let dy=typeof e.movementY==='number'?e.movementY:0;if(!pointerLocked){if(lastClientY!=null)dy=e.clientY-lastClientY;lastClientY=e.clientY;}accumDelta+=dy;let desired=mainStartScroll-accumDelta*SPEED_DRAG;if(desired<0)desired=0;const maxScroll=Math.max(0,props.totalVirtualWeeks*props.rowHeight-props.viewportHeight);if(desired>maxScroll)desired=maxScroll;emit('scroll-to',desired);dragSamples.push({t:performance.now(),s:desired});e.preventDefault()}
function onDragMouseUp(e){if(!isDragging.value)return;isDragging.value=false;lastClientY=null;window.removeEventListener('mousemove',onDragMouseMove);window.removeEventListener('mouseup',onDragMouseUp);if(pointerLocked&&document.exitPointerLock)document.exitPointerLock();const v=computeDragVelocity();dragSamples=[];if(Math.abs(v)>=DRAG_MIN_V)startDragMomentum(v);e.preventDefault()}
function onDragPointerUp(e){if(!isDragging.value)return;isDragging.value=false;lastClientY=null;window.removeEventListener('pointermove',onDragPointerMove);window.removeEventListener('pointerup',onDragPointerUp);window.removeEventListener('pointercancel',onDragPointerUp);if(pointerLocked&&document.exitPointerLock)document.exitPointerLock();const v=computeDragVelocity();dragSamples=[];if(Math.abs(v)>=DRAG_MIN_V)startDragMomentum(v);e.preventDefault()}
function handlePointerLockChange(){pointerLocked=document.pointerLockElement===jogwheelViewport.value;if(!pointerLocked&&isDragging.value)onDragMouseUp(new MouseEvent('mouseup'))}
function handlePointerLockChange(){pointerLocked=document.pointerLockElement===jogwheelViewport.value;if(!pointerLocked&&isDragging.value)onDragPointerUp(new PointerEvent('pointerup'))}
onMounted(()=>{if(jogwheelViewport.value){jogwheelViewport.value.addEventListener('mousedown',onDragMouseDown);jogwheelViewport.value.addEventListener('wheel',onWheel,{passive:false,capture:true});}document.addEventListener('pointerlockchange',handlePointerLockChange)})
onMounted(()=>{if(jogwheelViewport.value){jogwheelViewport.value.addEventListener('pointerdown',onDragPointerDown);jogwheelViewport.value.addEventListener('wheel',onWheel,{passive:false,capture:true});}document.addEventListener('pointerlockchange',handlePointerLockChange)})
onBeforeUnmount(()=>{if(jogwheelViewport.value){jogwheelViewport.value.removeEventListener('mousedown',onDragMouseDown);jogwheelViewport.value.removeEventListener('wheel',onWheel);}window.removeEventListener('mousemove',onDragMouseMove);window.removeEventListener('mouseup',onDragMouseUp);document.removeEventListener('pointerlockchange',handlePointerLockChange)})
onBeforeUnmount(()=>{if(jogwheelViewport.value){jogwheelViewport.value.removeEventListener('pointerdown',onDragPointerDown);jogwheelViewport.value.removeEventListener('wheel',onWheel);}window.removeEventListener('pointermove',onDragPointerMove);window.removeEventListener('pointerup',onDragPointerUp);window.removeEventListener('pointercancel',onDragPointerUp);document.removeEventListener('pointerlockchange',handlePointerLockChange)})
function onWheel(e){if(e.ctrlKey)return;e.preventDefault();e.stopPropagation();cancelDragMomentum();const dy=e.deltaY;if(Math.abs(dy)<MIN_WHEEL_ABS)return;const dir=dy>0?1:-1;const base=animActive?animTo:props.scrollTop;animateTo(base+dir*MONTH_SCROLL())}
@@ -87,6 +87,7 @@ function startDragMomentum(v){cancelDragMomentum();dragMomentumVelocity=v;dragMo
z-index: 20;
cursor: ns-resize;
overscroll-behavior: contain;
touch-action: none;
}
.jogwheel-viewport::-webkit-scrollbar { display: none; }