diff options
Diffstat (limited to 'src/client/util/InteractionUtils.ts')
| -rw-r--r-- | src/client/util/InteractionUtils.ts | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/client/util/InteractionUtils.ts b/src/client/util/InteractionUtils.ts index 2e4e8c7ca..76b43da3c 100644 --- a/src/client/util/InteractionUtils.ts +++ b/src/client/util/InteractionUtils.ts @@ -8,12 +8,14 @@ export namespace InteractionUtils { const REACT_POINTER_PEN_BUTTON = 0; const ERASER_BUTTON = 5; - export function GetMyTargetTouches(e: TouchEvent | React.TouchEvent, prevPoints: Map<number, React.Touch>): React.Touch[] { + export function GetMyTargetTouches(e: TouchEvent | React.TouchEvent, prevPoints: Map<number, React.Touch>, ignorePen: boolean): React.Touch[] { const myTouches = new Array<React.Touch>(); for (let i = 0; i < e.targetTouches.length; i++) { - const pt = e.targetTouches.item(i); + const pt: any = e.targetTouches.item(i); if (pt && prevPoints.has(pt.identifier)) { - myTouches.push(pt); + if (ignorePen || (pt.radiusX > 1 && pt.radiusY > 1)) { + myTouches.push(pt); + } } } return myTouches; @@ -23,7 +25,7 @@ export namespace InteractionUtils { switch (type) { // pen and eraser are both pointer type 'pen', but pen is button 0 and eraser is button 5. -syip2 case PENTYPE: - return e.pointerType === PENTYPE && e.button === (e instanceof PointerEvent ? POINTER_PEN_BUTTON : REACT_POINTER_PEN_BUTTON); + return e.pointerType === PENTYPE && (e.button === -1 || e.button === 0); case ERASERTYPE: return e.pointerType === PENTYPE && e.button === (e instanceof PointerEvent ? ERASER_BUTTON : ERASER_BUTTON); default: |